X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FCockpit%2Fhud_card.cxx;h=255341f1223bbf78aa35147152a3ae35338b527a;hb=938d006188e70e891bc04e91610c7b8caaca87b6;hp=1278f631c478bca73dbbe4c43f3418499eeca7d0;hpb=1294aed4650ec2aacef27a7fdeb2f4e012516ca0;p=flightgear.git

diff --git a/src/Cockpit/hud_card.cxx b/src/Cockpit/hud_card.cxx
index 1278f631c..255341f12 100644
--- a/src/Cockpit/hud_card.cxx
+++ b/src/Cockpit/hud_card.cxx
@@ -1,32 +1,20 @@
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-#  include <windows.h>
-#endif
-#include <stdlib.h>
-#include <string.h>
-
-#include <simgear/constants.h>
-#include <simgear/math/fg_random.h>
-#include <simgear/math/mat3.h>
-#include <simgear/math/polar3d.hxx>
-
-#include <Aircraft/aircraft.hxx>
-#include <GUI/gui.h>
-#include <Scenery/scenery.hxx>
-#include <Time/fg_timer.hxx>
-
+#include <plib/sg.h>
 #include "hud.hxx"
 
 #ifdef USE_HUD_TextList
-#define textString( x , y, text, font )  TextString( text, x , y )
+#define textString( x , y, text, font,digit)  TextString( text, x , y ,digit ) //suma
 #else
-#define textString( x , y, text, font )  puDrawString ( guiFnt, text, x, y );
+#define textString( x , y, text, font,digit )  puDrawString ( guiFnt, text, x, y ); //suma
 #endif
 
 //========== Top of hud_card class member definitions =============
+//begin suma
+#include<GL/glut.h> 
+#include<math.h>
+#include <stdlib.h>
+#include <stdio.h>
+//end suma
+
 
 hud_card ::
 hud_card( int       x,
@@ -35,32 +23,73 @@ hud_card( int       x,
           UINT      height,
           FLTFNPTR  data_source,
           UINT      options,
-          float    max_value, // 360
-          float    min_value, // 0
-          float    disp_scaling,
+          float     max_value, // 360
+          float     min_value, // 0
+          float     disp_scaling,
           UINT      major_divs,
           UINT      minor_divs,
           UINT      modulus,  // 360
           int       dp_showing,
-          float    value_span,
-          bool      working) :
-                instr_scale( x,y,width,height,
-                             data_source, options,
-                             value_span,
-                             max_value, min_value, disp_scaling,
-                             major_divs, minor_divs, modulus,
-                             working),
-                val_span   ( value_span)
+          float     value_span,
+	  string    card_type,
+	  bool      tick_bottom,
+	  bool      tick_top,
+	  bool      tick_right,
+	  bool      tick_left,
+	  bool      cap_bottom,
+	  bool      cap_top,
+	  bool      cap_right,
+	  bool      cap_left,
+	  float     mark_offset,
+	  bool      pointer_enable,
+	  string    type_pointer,
+	  string    type_tick,//hud
+	  string    length_tick,//hud
+          bool      working,
+	  float     rad,//suma
+	  int		divs, //suma
+	  int		zooms //suma
+          ) :  //suma
+    instr_scale( x,y,width,height,
+                 data_source, options,
+                 value_span,
+                 max_value, min_value, disp_scaling,
+                 major_divs, minor_divs, modulus,
+                 working),
+    val_span		 ( value_span),
+    type             ( card_type),
+    draw_tick_bottom (tick_bottom),
+    draw_tick_top    (tick_top),
+    draw_tick_right  (tick_right),
+    draw_tick_left   (tick_left),
+    draw_cap_bottom  (cap_bottom),
+    draw_cap_top     (cap_top),
+    draw_cap_right   (cap_right),
+    draw_cap_left    (cap_left),
+    marker_offset    (mark_offset),
+    pointer          (pointer_enable),
+    pointer_type     (type_pointer),
+    tick_type	     (type_tick), //hud
+    tick_length	     (length_tick), //hud
+    Maj_div	     (major_divs), //suma
+    Min_div	     (minor_divs) //suma
+
 {
-  half_width_units = range_to_show() / 2.0;
-//  UINT options     = get_options();
-//  huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
-//  huds_right = options & HUDS_RIGHT;
-//  huds_left = options & HUDS_LEFT;
-//  huds_vert = options & HUDS_VERT;
-//  huds_notext = options & HUDS_NOTEXT;
-//  huds_top = options & HUDS_TOP;
-//  huds_bottom = options & HUDS_BOTTOM;
+    half_width_units = range_to_show() / 2.0;
+    radius=rad; //suma
+    maxValue=max_value; //suma
+    minValue=min_value; //suma
+    divisions=divs; //suma
+    zoom = zooms; //suma
+
+    //  UINT options     = get_options();
+    //  huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
+    //  huds_right = options & HUDS_RIGHT;
+    //  huds_left = options & HUDS_LEFT;
+    //  huds_vert = options & HUDS_VERT;
+    //  huds_notext = options & HUDS_NOTEXT;
+    //  huds_top = options & HUDS_TOP;
+    //  huds_bottom = options & HUDS_BOTTOM;
 }
 
 hud_card ::
@@ -68,431 +97,1176 @@ hud_card ::
 
 hud_card ::
 hud_card( const hud_card & image):
-      instr_scale( (const instr_scale & ) image),
-      val_span( image.val_span),
-      half_width_units (image.half_width_units)
+    instr_scale( (const instr_scale & ) image),
+    val_span( image.val_span),
+    type(image.type),
+    half_width_units (image.half_width_units),
+    draw_tick_bottom (image.draw_tick_bottom),
+    draw_tick_top (image.draw_tick_top),
+    draw_tick_right (image.draw_tick_right),
+    draw_tick_left (image.draw_tick_left),
+    draw_cap_bottom (image.draw_cap_bottom),
+    draw_cap_top (image.draw_cap_top),
+    draw_cap_right (image.draw_cap_right),
+    draw_cap_left (image.draw_cap_left),
+    marker_offset (image.marker_offset),
+    pointer (image.pointer),
+    pointer_type (image.pointer_type),
+    tick_type(image.tick_type), //hud
+    tick_length(image.tick_length), //hud
+    Maj_div(image.Maj_div), //suma
+    Min_div(image.Min_div)//suma
+
 {
-//  UINT options     = get_options();
-//  huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
-//  huds_right = options & HUDS_RIGHT;
-//  huds_left = options & HUDS_LEFT;
-//  huds_vert = options & HUDS_VERT;
-//  huds_notext = options & HUDS_NOTEXT;
-//  huds_top = options & HUDS_TOP;
-//  huds_bottom = options & HUDS_BOTTOM;
+    //  UINT options     = get_options();
+    //  huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
+    //  huds_right = options & HUDS_RIGHT;
+    //  huds_left = options & HUDS_LEFT;
+    //  huds_vert = options & HUDS_VERT;
+    //  huds_notext = options & HUDS_NOTEXT;
+    //  huds_top = options & HUDS_TOP;
+    //  huds_bottom = options & HUDS_BOTTOM;
 }
 
 hud_card & hud_card ::
 operator = (const hud_card & rhs )
 {
-  if( !( this == &rhs)){
-    instr_scale::operator = (rhs);
-    val_span = rhs.val_span;
-    half_width_units = rhs.half_width_units;
+    if( !( this == &rhs)){
+        instr_scale::operator = (rhs);
+        val_span = rhs.val_span;
+        half_width_units = rhs.half_width_units;
+	draw_tick_bottom = rhs.draw_tick_bottom;
+	draw_tick_top    = rhs.draw_tick_top;
+	draw_tick_right  = rhs.draw_tick_right;
+	draw_tick_left   = rhs.draw_tick_left;
+	draw_cap_bottom  = rhs.draw_cap_bottom;
+	draw_cap_top     = rhs.draw_cap_top;
+	draw_cap_right   = rhs.draw_cap_right;
+	draw_cap_left    = rhs.draw_cap_left;
+	marker_offset    = rhs.marker_offset;
+	type             = rhs.type;
+	pointer			 = rhs.pointer;
+	pointer_type     = rhs.pointer_type;
+	tick_type		 = rhs.tick_type;
+	tick_length		 = rhs.tick_length;
+	Maj_div			 = rhs.Maj_div; //suma
+	Min_div			 = rhs.Min_div; //suma
+
     }
-  return *this;
+
+    return *this;
 }
 
 void hud_card ::
 draw( void ) //  (HUD_scale * pscale )
 {
-  float vmin, vmax;
-  int marker_xs;
-  int marker_xe;
-  int marker_ys;
-  int marker_ye;
-  int lenstr;
-  int height, width;
-  int i, last;
-  char TextScale[80];
-  bool condition;
-  int disp_val = 0;
-  POINT mid_scr    = get_centroid();
-  float cur_value  = get_value();
-  RECT   scrn_rect = get_location();
-  UINT options     = get_options();
-
-  height = scrn_rect.top  + scrn_rect.bottom;
-  width = scrn_rect.left + scrn_rect.right;
-
-  vmin = cur_value - half_width_units; // width units == needle travel
-  vmax = cur_value + half_width_units; // or picture unit span.
-  
-  // Draw the basic markings for the scale...
-  
-  if( huds_vert(options) ) { // Vertical scale
-    drawOneLine( scrn_rect.left,     // Bottom tick bar
-                 scrn_rect.top,
-                 width,
-                 scrn_rect.top);
-
-    drawOneLine( scrn_rect.left,    // Top tick bar
-                 height,
-                 width,
-                 height );
-      
-      marker_xs = scrn_rect.left;  // x start
-      marker_xe = width;  // x extent
-      marker_ye = height;
 
-//    glBegin(GL_LINES);
-      
-      // Bottom tick bar
-//    glVertex2f( marker_xs, scrn_rect.top);
-//    glVertex2f( marker_xe, scrn_rect.top);
-
-      // Top tick bar
-//    glVertex2f( marker_xs, marker_ye);
-//    glVertex2f( marker_xe, marker_ye );
-//    glEnd();
-
-    // We do not use else in the following so that combining the two
-    // options produces a "caged" display with double carrots. The
-    // same is done for horizontal card indicators.
-
-      if( huds_left(options) ) {    // Calculate x marker offset
-          drawOneLine( marker_xe, scrn_rect.top,
-                       marker_xe, marker_ye); // Cap right side
-
-        marker_xs  = marker_xe - scrn_rect.right / 3;   // Adjust tick xs
-                                                      // Indicator carrot
-//      drawOneLine( marker_xs, mid_scr.y,
-//                   marker_xe, mid_scr.y + scrn_rect.right / 6);
-//      drawOneLine( marker_xs, mid_scr.y,
-//                   marker_xe, mid_scr.y - scrn_rect.right / 6);
-
-        glBegin(GL_LINE_STRIP);
-        glVertex2f( marker_xe, mid_scr.y + scrn_rect.right / 6);
-        glVertex2f( marker_xs, mid_scr.y);
-        glVertex2f( marker_xe, mid_scr.y - scrn_rect.right / 6);
-        glEnd();
-    }
-    if( huds_right(options) ) {  // We'll default this for now.
-        drawOneLine( scrn_rect.left, scrn_rect.top,
-                     scrn_rect.left, marker_ye );  // Cap left side
-
-        marker_xe = scrn_rect.left + scrn_rect.right / 3;     // Adjust tick xe
-                                                       // Indicator carrot
-//      drawOneLine( scrn_rect.left, mid_scr.y +  scrn_rect.right / 6,
-//                   marker_xe, mid_scr.y );
-//      drawOneLine( scrn_rect.left, mid_scr.y -  scrn_rect.right / 6,
-//                   marker_xe, mid_scr.y);
-        glBegin(GL_LINE_STRIP);
-        glVertex2f( scrn_rect.left, mid_scr.y +  scrn_rect.right / 6);
-        glVertex2f( marker_xe, mid_scr.y );
-        glVertex2f( scrn_rect.left, mid_scr.y -  scrn_rect.right / 6);
-        glEnd();
-    }
+    float vmin = 0.0, vmax = 0.0;
+    int marker_xs;
+    int marker_xe;
+    int marker_ys;
+    int marker_ye;
+    int text_x = 0, text_y = 0;
+    int lenstr;
+    int height, width;
+    int i, last;
+    char TextScale[80];
+    bool condition;
+    int disp_val = 0;
+    int oddtype, k; //odd or even values for ticks
+
+    POINT mid_scr    = get_centroid();
+    float cur_value  = get_value();
+    
+    if (!((int)maxValue%2) )
+        oddtype =0; //draw ticks at even values
+    else
+        oddtype = 1;//draw ticks at odd values
+
+    RECT   scrn_rect = get_location();
+    UINT options     = get_options();
+
+    height = scrn_rect.top  + scrn_rect.bottom;
+    width = scrn_rect.left + scrn_rect.right;
+
+    //begin suma
+    // if type=gauge then display dial
+    if(type=="gauge") {
+        float x,y;
+        float i;
+        int  decimal, sign;
+        y=(float)(scrn_rect.top);
+        x=(float)(scrn_rect.left);
+        glEnable(GL_POINT_SMOOTH);
+        glPointSize(3.0);
 
-    // At this point marker x_start and x_end values are transposed.
-    // To keep this from confusing things they are now interchanged.
-    if(huds_both(options)) {
-      marker_ye = marker_xs;
-      marker_xs = marker_xe;
-      marker_xe = marker_ye;
-      }
-
-    // Work through from bottom to top of scale. Calculating where to put
-    // minor and major ticks.
-
-//  last = FloatToInt(vmax)+1;
-//  i = FloatToInt(vmin);
-    last = (int)vmax + 1;
-    i = (int)vmin;
-    for( ; i <last ; i++ )
-    {
-      condition = true;
-      if( !modulo()) {
-        if( i < min_val()) {
-          condition = false;
-          }
+        float incr= 360.0/divisions;  
+        for(i=0.0;i<360.0;i+=incr) {
+            float i1=i*SGD_DEGREES_TO_RADIANS;
+            float x1=x+radius*cos(i1);
+            float y1=y+radius*sin(i1);
+		
+            glBegin(GL_POINTS);
+            glVertex2f(x1,y1);
+            glEnd();
         }
+        glPointSize(1.0);
+        glDisable(GL_POINT_SMOOTH);
+        
+	 
+        if(data_available()) {  
+            float offset = 90.0*SGD_DEGREES_TO_RADIANS;
+            float r1=10.0; //size of carrot
+            float theta= get_value();
 
-      if( condition ) {  // Show a tick if necessary
-                         // Calculate the location of this tick
-        marker_ys = scrn_rect.top + FloatToInt(((i - vmin) * factor()/*+.5f*/));
-//        marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5);
-        // Block calculation artifact from drawing ticks below min coordinate.
-        // Calculation here accounts for text height.
-
-        if(( marker_ys < (scrn_rect.top + 4)) |
-           ( marker_ys > (height - 4))) {
-            // Magic numbers!!!
-          continue;
-          }
-        if( div_min()) {
-//          if( (i%div_min()) == 0) {
-          if( !(i%(int)div_min())) {            
-            if((( marker_ys - 5) > scrn_rect.top ) &&
-               (( marker_ys + 5) < (height))){
-              if( huds_both(options) ) {
-                drawOneLine( scrn_rect.left, marker_ys,
-                             marker_xs,      marker_ys );
-                drawOneLine( marker_xe,      marker_ys,
-                             width,  marker_ys );
-//                glBegin(GL_LINES);
-//                glVertex2f( scrn_rect.left, marker_ys );
-//                glVertex2f( marker_xs,      marker_ys );
-//                glVertex2f( marker_xe,      marker_ys);
-//                glVertex2f( scrn_rect.left + scrn_rect.right,  marker_ys );
-//                glEnd();
-                  }
-              else {
-                if( huds_left(options) ) {
-                  drawOneLine( marker_xs + 4, marker_ys,
-                               marker_xe,     marker_ys );
-                  }
-                else {
-                  drawOneLine( marker_xs,     marker_ys,
-                               marker_xe - 4, marker_ys );
-                  }
-                }
-              }
+            float theta1= -theta*SGD_DEGREES_TO_RADIANS+offset;
+            float x1=x+radius*cos(theta1);
+            float y1=y+radius*sin(theta1);
+            float x2=x1-r1*cos(theta1-30.0*SGD_DEGREES_TO_RADIANS);
+            float y2=y1-r1*sin(theta1-30.0*SGD_DEGREES_TO_RADIANS);
+            float x3=x1-r1*cos(theta1+30.0*SGD_DEGREES_TO_RADIANS);
+            float y3=y1-r1*sin(theta1+30.0*SGD_DEGREES_TO_RADIANS);
+		       
+            // draw carrot  
+            drawOneLine(x1,y1,x2,y2);
+            drawOneLine(x1,y1,x3,y3);
+            sprintf(TextScale,"%3.1f\n",theta);
+        	 
+            // draw value
+            int l = abs((int)theta);
+            if (l) {
+                if( l<10)
+                    textString (x,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
+                else if(l<100)
+                    textString (x-1.0,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
+                else if( l<360 )
+                    textString (x-2.0,y,TextScale,GLUT_BITMAP_8_BY_13,0 );
             }
-          }
-        if( div_max() ) {
-          if( !(i%(int)div_max()) )         
-          {
-            if(modulo()) {
-                if( disp_val < 0) {
-                    while(disp_val < 0)
-                        disp_val += modulo();
-//              } else {
-//                  disp_val = i % (int)modulo();
-                }
-                disp_val = i % (int) modulo(); // ?????????
+			 
+        }
+      
+        //end type=gauge
+    } else {
+        // if its not explicitly a gauge default to tape
+        if(pointer) { 
+            if(pointer_type=="moving") { 
+                vmin = minValue;
+                vmax = maxValue;
             } else {
-                disp_val = i;
+                // default to fixed
+                vmin   = cur_value - half_width_units; // width units == needle travel
+                vmax   = cur_value + half_width_units; // or picture unit span.
+                text_x = mid_scr.x;
+                text_y = mid_scr.y;
             }
+        } else {
+            vmin   = cur_value - half_width_units; // width units == needle travel
+            vmax   = cur_value + half_width_units; // or picture unit span.
+            text_x = mid_scr.x;
+            text_y = mid_scr.y;
+        }
+    
+        // Draw the basic markings for the scale...
+  
+        if( huds_vert(options) ) { // Vertical scale
+            if (draw_tick_bottom) {
+                drawOneLine( scrn_rect.left,     // Bottom tick bar
+                             scrn_rect.top,
+                             width,
+                             scrn_rect.top);
+            } // endif draw_tick_bottom
+            if (draw_tick_top) {
+                drawOneLine( scrn_rect.left,    // Top tick bar
+                             height,
+                             width,
+                             height );
+            } // endif draw_tick_top
+      
+            marker_xs = scrn_rect.left;  // x start
+            marker_xe = width;  // x extent
+            marker_ye = height;
 
-            lenstr = sprintf( TextScale, "%d",
-                              FloatToInt(disp_val * data_scaling()/*+.5*/));
-//                            (int)(disp_val  * data_scaling() +.5));
-            if(( (marker_ys - 8 ) > scrn_rect.top ) &&
-               ( (marker_ys + 8) < (height))){
-              if( huds_both(options) ) {
-//                drawOneLine( scrn_rect.left, marker_ys,
-//                             marker_xs,      marker_ys);
-//                drawOneLine( marker_xs, marker_ys,
-//                             scrn_rect.left + scrn_rect.right,
-//                             marker_ys);
-                  glBegin(GL_LINE_STRIP);
-                  glVertex2f( scrn_rect.left, marker_ys );
-                  glVertex2f( marker_xs, marker_ys);
-                  glVertex2f( width, marker_ys);
-                  glEnd();
-                  if( !huds_notext(options)) {
-                      textString ( marker_xs + 2,  marker_ys,
-                                   TextScale,  GLUT_BITMAP_8_BY_13 );
-                  }
-              }
-              else {
-                drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
-                if( !huds_notext(options) ) {
-                  if( huds_left(options) )              {
-                      textString( marker_xs -  8 * lenstr - 2,
-                                  marker_ys - 4,
-                                  TextScale, GLUT_BITMAP_8_BY_13 );
-                    }
-                  else  {
-                      textString( marker_xe + 3 * lenstr,
-                                  marker_ys - 4,
-                                  TextScale, GLUT_BITMAP_8_BY_13 );
-                  }
-                  }
-                }
-              } // Else read oriented right
-            } // End if modulo division by major interval is zero
-          }  // End if major interval divisor non-zero
-        } // End if condition
-      } // End for range of i from vmin to vmax
-    }  // End if VERTICAL SCALE TYPE
-  else {                                // Horizontal scale by default
-      // left tick bar
-      drawOneLine( scrn_rect.left, scrn_rect.top,
-                   scrn_rect.left, height);
-
-      // right tick bar
-      drawOneLine( width, scrn_rect.top,
-                 width,
-                 height );
+            //    glBegin(GL_LINES);
       
-      marker_ys = scrn_rect.top;           // Starting point for
-      marker_ye = height;                  // tick y location calcs
-      marker_xe = width;
-
-//    glBegin(GL_LINES);
-      // left tick bar
-//    glVertex2f( scrn_rect.left, scrn_rect.top);
-//    glVertex2f( scrn_rect.left, marker_ye);
-
-      // right tick bar
-//    glVertex2f( marker_xe, scrn_rect.top);
-//    glVertex2f( marker_xe, marker_ye );
-//    glEnd();
-
-    if( huds_top(options) ) {
-        // Bottom box line
-        drawOneLine( scrn_rect.left,
-                     scrn_rect.top,
-                     width,
-                     scrn_rect.top);
-
-        // Tick point adjust
-        marker_ye  = scrn_rect.top + scrn_rect.bottom / 2;
-        
-        // Bottom arrow
-//      drawOneLine( mid_scr.x, marker_ye,
-//                   mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
-//      drawOneLine( mid_scr.x, marker_ye,
-//                   mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
-
-        glBegin(GL_LINE_STRIP);
-        glVertex2f( mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
-        glVertex2f( mid_scr.x, marker_ye);
-        glVertex2f( mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
-        glEnd();
-    }
-    if( huds_bottom(options) ) {
-        // Top box line
-        drawOneLine( scrn_rect.left, height,
-                     width, height);
-        // Tick point adjust
-        marker_ys = height - scrn_rect.bottom  / 2;
+            // Bottom tick bar
+            //    glVertex2f( marker_xs, scrn_rect.top);
+            //    glVertex2f( marker_xe, scrn_rect.top);
+
+            // Top tick bar
+            //    glVertex2f( marker_xs, marker_ye);
+            //    glVertex2f( marker_xe, marker_ye );
+            //    glEnd();
+
+
+            // We do not use else in the following so that combining the
+            // two options produces a "caged" display with double
+            // carrots. The same is done for horizontal card indicators.
         
-        // Top arrow
-//      drawOneLine( mid_scr.x + scrn_rect.bottom / 4,
-//                   scrn_rect.top + scrn_rect.bottom,
-//                   mid_scr.x, marker_ys );
-//      drawOneLine( mid_scr.x - scrn_rect.bottom / 4,
-//                   scrn_rect.top + scrn_rect.bottom,
-//                   mid_scr.x , marker_ys );
-        glBegin(GL_LINE_STRIP);
-        glVertex2f( mid_scr.x + scrn_rect.bottom / 4,
-                    height);
-        glVertex2f( mid_scr.x , marker_ys );
-        glVertex2f( mid_scr.x - scrn_rect.bottom / 4,
-                    height);
-        glEnd();
-    }
+            // begin vertical/left
+            //First draw capping lines and pointers
+            if( huds_left(options) ) {    // Calculate x marker offset
+			
+                if (draw_cap_right) {
+			  
+                    drawOneLine( marker_xe, scrn_rect.top,
+                                 marker_xe, marker_ye); // Cap right side
+                } //endif cap_right
 
-//    if(( options & HUDS_BOTTOM) == HUDS_BOTTOM ) {
-//      marker_xe = marker_ys;
-//      marker_ys = marker_ye;
-//      marker_ye = marker_xe;
-//      }
-
-    // printf("vmin = %d  vmax = %d\n", (int)vmin, (int)vmax);
-
-//  last = FloatToInt(vmax)+1;
-//  i    = FloatToInt(vmin);
-    last = (int)vmax + 1;
-    i = (int)vmin;
-    for(; i <last ; i++ )      {
-//    for( i = (int)vmin; i <= (int)vmax; i++ )     {
-      // printf("<*> i = %d\n", i);
-      condition = true;
-      if( !modulo()) {
-        if( i < min_val()) {
-          condition = false;
-          }
-        }
-      // printf("<**> i = %d\n", i);
-      if( condition )        {
-//        marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5);
-        marker_xs = scrn_rect.left + FloatToInt(((i - vmin) * factor()/*+ .5f*/));
-        if( div_min()){
-//          if( (i%(int)div_min()) == 0 ) {
-          if( !(i%(int)div_min() )) {           
-            // draw in ticks only if they aren't too close to the edge.
-            if((( marker_xs - 5) > scrn_rect.left ) &&
-               (( marker_xs + 5 )< (scrn_rect.left + scrn_rect.right))){
-
-              if( huds_both(options) ) {
-                drawOneLine( marker_xs, scrn_rect.top,
-                             marker_xs, marker_ys - 4);
-                drawOneLine( marker_xs, marker_ye + 4,
-                             marker_xs, height);
-//                glBegin(GL_LINES);
-//                glVertex2f( marker_xs, scrn_rect.top);
-//                glVertex2f( marker_xs, marker_ys - 4);
-//                glVertex2f( marker_xs, marker_ye + 4);
-//                glVertex2f( marker_xs, scrn_rect.top + scrn_rect.bottom);
-//                glEnd();
-              }
-              else {
-                if( huds_top(options)) {
-                  drawOneLine( marker_xs, marker_ys,
-                               marker_xs, marker_ye - 4);
-                  }
-                else {
-                  drawOneLine( marker_xs, marker_ys + 4,
-                               marker_xs, marker_ye);
-                  }
-                }
-              }
+                marker_xs  = marker_xe - scrn_rect.right / 3;   // Adjust tick xs
+
+                // drawOneLine( marker_xs, mid_scr.y,
+                //              marker_xe, mid_scr.y + scrn_rect.right / 6);
+                // drawOneLine( marker_xs, mid_scr.y,
+                //              marker_xe, mid_scr.y - scrn_rect.right / 6);
+
+                // draw pointer
+                if(pointer) {
+                    if(pointer_type=="moving") {
+                        if(zoom == 0) {
+                            //Code for Moving Type Pointer included by suma.
+                            float ycentre, ypoint,xpoint;
+                            int range,wth;
+                            if(cur_value > maxValue) cur_value = maxValue;
+                            if(cur_value < minValue) cur_value = minValue;
+                            if (minValue >= 0.0) 
+                                ycentre = scrn_rect.top;
+                            else if (maxValue + minValue == 0.0)
+                                ycentre = mid_scr.y;
+                            else
+                                if (oddtype == 1) 
+                                    ycentre = scrn_rect.top + (1.0-minValue)*scrn_rect.bottom/(maxValue-minValue);
+                                else
+                                    ycentre = scrn_rect.top + minValue*scrn_rect.bottom/(maxValue-minValue);
+                            range = scrn_rect.bottom;
+                            wth   = scrn_rect.left + scrn_rect.right;
+                            if (oddtype == 1)
+                                ypoint = ycentre + ((cur_value-1.0) * range / val_span);
+                            else
+                                ypoint = ycentre + (cur_value * range / val_span);
+                            xpoint = wth + marker_offset;
+                            drawOneLine(xpoint,ycentre,xpoint,ypoint);
+                            drawOneLine(xpoint,ypoint,xpoint-marker_offset,ypoint);
+                            drawOneLine(xpoint-marker_offset,ypoint,xpoint-5.0,ypoint+5.0);
+                            drawOneLine(xpoint-marker_offset,ypoint,xpoint-5.0,ypoint-5.0);
+                        }//zoom=0
+                    } else {
+                        // default to fixed
+                        fixed(marker_offset+marker_xe, text_y + scrn_rect.right / 6, 
+                              marker_offset+marker_xs, text_y,marker_offset+marker_xe, 
+                              text_y - scrn_rect.right / 6);
+                    }//end pointer type
+
+                } //if pointer 
+            }  //end vertical/left
+		
+            // begin vertical/right
+            //First draw capping lines and pointers
+            if( huds_right(options) ) {  // We'll default this for now.
+                if (draw_cap_left) {
+                    drawOneLine( scrn_rect.left, scrn_rect.top,
+                                 scrn_rect.left, marker_ye );  // Cap left side
+                } //endif cap_left
+
+                marker_xe = scrn_rect.left + scrn_rect.right / 3;     // Adjust tick xe
+                // Indicator carrot
+                // drawOneLine( scrn_rect.left, mid_scr.y +  scrn_rect.right / 6,
+                //              marker_xe, mid_scr.y );
+                // drawOneLine( scrn_rect.left, mid_scr.y -  scrn_rect.right / 6,
+                //              marker_xe, mid_scr.y);
+
+                // draw pointer
+                if(pointer) {
+                    if(pointer_type=="moving") {   
+                        if(zoom == 0) {
+                            //type-fixed & zoom=1, behaviour to be defined
+                            // Code for Moving Type Pointer included by suma.
+                            float ycentre, ypoint,xpoint;
+                            int range,wth;
+							
+                            if(cur_value > maxValue)
+                                cur_value = maxValue;
+                            if(cur_value < minValue)
+                                cur_value = minValue;
+							
+                            if (minValue >= 0.0) 
+                                ycentre = scrn_rect.top;
+                            else if (maxValue + minValue == 0.0)
+                                ycentre = mid_scr.y;
+                            else
+                                if (oddtype == 1) 
+                                    ycentre = scrn_rect.top + (1.0-minValue)*scrn_rect.bottom/(maxValue-minValue);
+                                else
+                                    ycentre = scrn_rect.top + minValue*scrn_rect.bottom/(maxValue-minValue);
+                            range = scrn_rect.bottom;
+							
+                            if (oddtype == 1)
+                                ypoint = ycentre + ((cur_value-1.0) * range / val_span);
+                            else
+                                ypoint = ycentre + (cur_value * range / val_span);
+                            xpoint = scrn_rect.left - marker_offset;
+                            drawOneLine(xpoint,ycentre,xpoint,ypoint);
+                            drawOneLine(xpoint,ypoint,xpoint+marker_offset,ypoint);
+                            drawOneLine(xpoint+marker_offset,ypoint,xpoint+5.0,ypoint+5.0);
+                            drawOneLine(xpoint+marker_offset,ypoint,xpoint+5.0,ypoint-5.0);
+                        }
+                    } else {
+                        // default to fixed
+                        fixed( -marker_offset+scrn_rect.left, text_y +  scrn_rect.right / 6,
+                               -marker_offset+marker_xe, text_y,-marker_offset+scrn_rect.left, 
+                               text_y -  scrn_rect.right / 6);                    
+                    }
+                } //if pointer
+            }  //end vertical/right
+
+            // At this point marker x_start and x_end values are transposed.
+            // To keep this from confusing things they are now interchanged.
+            if(huds_both(options)) {
+                marker_ye = marker_xs;
+                marker_xs = marker_xe;
+                marker_xe = marker_ye;
             }
-          }
-    // printf("<***> i = %d\n", i);
-        if( div_max()) {
-      // printf("i = %d\n", i);
-//          if( (i%(int)div_max())==0 ) {
-          if( !(i%(int)div_max()) ) {           
-            if(modulo()) {
-              if( disp_val < 0) {
-                  while(disp_val<0)
-                      disp_val += modulo();
-              }
-              disp_val = i % (int) modulo(); // ?????????
+
+            // Work through from bottom to top of scale. Calculating where to put
+            // minor and major ticks.
+            
+            // draw scale or tape
+		
+//            last = FloatToInt(vmax)+1;
+//            i = FloatToInt(vmin);
+            last = (int)vmax + 1; // N
+            i = (int)vmin; // N
+
+            if(zoom ==1) { 
+                zoomed_scale(vmin,vmax); //suma
             } else {
-              disp_val = i;
-            }
-        // printf("disp_val = %d\n", disp_val);
-        // printf("%d\n", (int)(disp_val  * (double)data_scaling() + 0.5));
-            lenstr = sprintf( TextScale, "%d",
-//                            (int)(disp_val  * data_scaling() +.5));
-                              FloatToInt(disp_val * data_scaling()/*+.5*/));
-            // Draw major ticks and text only if far enough from the edge.
-            if(( (marker_xs - 10)> scrn_rect.left ) &&
-               ( (marker_xs + 10) < (scrn_rect.left + scrn_rect.right))){
-              if( huds_both(options) ) {
-//                drawOneLine( marker_xs, scrn_rect.top,
-//                             marker_xs, marker_ys);
-//                drawOneLine( marker_xs, marker_ye,
-//                             marker_xs, scrn_rect.top + scrn_rect.bottom);
-                  glBegin(GL_LINE_STRIP);
-                  glVertex2f( marker_xs, scrn_rect.top);
-                  glVertex2f( marker_xs, marker_ye);
-                  glVertex2f( marker_xs, height);
-                  glEnd();
-                if( !huds_notext(options) ) {
-                  textString ( marker_xs - 4 * lenstr,
-                               marker_ys + 4,
-                               TextScale,  GLUT_BITMAP_8_BY_13 );
-                  }
-                }
-              else {
-                drawOneLine( marker_xs, marker_ys,
-                             marker_xs, marker_ye );
-                if( !huds_notext(options)) {
-                  if( huds_top(options) )              {
-                    textString ( marker_xs - 4 * lenstr,
-                                 height - 10,
-                                 TextScale, GLUT_BITMAP_8_BY_13 );
+                for( ; i <last ; i++ ) {
+                    condition = true;
+                    if( !modulo()) {
+                        if( i < min_val()) {
+                            condition = false;
+                        }
                     }
-                  else  {
-                    textString( marker_xs - 4 * lenstr,
-                                scrn_rect.top,
-                                TextScale, GLUT_BITMAP_8_BY_13 );
-                    }
-                  }
-                }
-              }
-            }
-      }
-    // printf("<****> i = %d\n", i);
+
+                    if( condition ) {  // Show a tick if necessary
+                        // Calculate the location of this tick
+                        marker_ys = scrn_rect.top + FloatToInt(((i - vmin) * factor()/*+.5f*/));
+                        // marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5);
+                        // Block calculation artifact from drawing ticks below min coordinate.
+                        // Calculation here accounts for text height.
+
+                        if(( marker_ys < (scrn_rect.top + 4)) |
+                           ( marker_ys > (height - 4)))
+                        {
+                            // Magic numbers!!!
+                            continue;
+                        }
+
+                        if (oddtype == 1) 
+                            k = i+1; //enable ticks at odd values
+                        else
+                            k = i;
+
+                        // Minor ticks
+                        if( div_min()) { 
+                            // if( (i%div_min()) == 0) {
+                            if( !(k%(int)div_min())) {             
+                                if((( marker_ys - 5) > scrn_rect.top ) &&
+                                   (( marker_ys + 5) < (height))) {
+                            
+                                //vertical/left OR vertical/right
+                                if( huds_both(options) ) {
+                                    if(tick_type=="line") {
+                                        if(tick_length=="variable") {
+                                            drawOneLine( scrn_rect.left, marker_ys,
+                                                         marker_xs,      marker_ys );
+                                            drawOneLine( marker_xe,      marker_ys,
+                                                         width,  marker_ys );
+                                        } else {
+                                            drawOneLine( scrn_rect.left, marker_ys,
+                                                         marker_xs,      marker_ys );
+                                            drawOneLine( marker_xe,      marker_ys,
+                                                         width,  marker_ys );
+                                        }
+                                    } else if(tick_type=="circle") // begin suma  this func. is written below
+                                        circles(scrn_rect.left,(float)marker_ys,3.0); //end suma
+
+                                    else {
+                                        // if neither line nor circle draw default as line
+                                        drawOneLine( scrn_rect.left, marker_ys,
+                                                     marker_xs,      marker_ys );
+                                        drawOneLine( marker_xe,      marker_ys,
+                                                     width,  marker_ys );
+                                    }
+                                    // glBegin(GL_LINES);
+                                    // glVertex2f( scrn_rect.left, marker_ys );
+                                    // glVertex2f( marker_xs,      marker_ys );
+                                    // glVertex2f( marker_xe,      marker_ys);
+                                    // glVertex2f( scrn_rect.left + scrn_rect.right,  marker_ys );
+                                    // glEnd();
+                                    // anything other than huds_both
+                                } else {
+                                    if( huds_left(options) ) {
+                                        if(tick_type=="line") {
+                                            if(tick_length=="variable") {
+                                                drawOneLine( marker_xs + 4, marker_ys,
+                                                             marker_xe,     marker_ys );
+                                            } else {
+                                                drawOneLine( marker_xs , marker_ys,
+                                                             marker_xe,     marker_ys );
+                                            } 
+                                        } else if(tick_type=="circle") // begin suma
+                                            circles((float)marker_xs + 4, (float)marker_ys,3.0); //end suma
+									   
+                                        else { 
+                                            drawOneLine( marker_xs + 4, marker_ys,
+                                                         marker_xe,     marker_ys );
+                                        } 
+                                    }  else {
+                                        if(tick_type=="line") {
+                                            if(tick_length=="variable") {
+                                                drawOneLine( marker_xs,     marker_ys,
+                                                             marker_xe - 4, marker_ys );
+                                            } else { 
+                                                drawOneLine( marker_xs,     marker_ys,
+                                                             marker_xe , marker_ys );
+                                            } 
+                                        } else if(tick_type=="circle") //begin suma
+                                            circles((float)marker_xe - 4, (float)marker_ys,3.0);  //end suma
+                                        else { 
+                                            drawOneLine( marker_xs,     marker_ys,
+                                                         marker_xe - 4, marker_ys );
+                                        } 
+                                    } 
+                                } //end huds both
+                              }
+                            } //end draw minor ticks
+                        }  //end minor ticks
+
+                        // Major ticks
+                        if( div_max() ) {
+					
+                            if( !(k%(int)div_max()) ) {
+                                if(modulo()) {
+                                    disp_val = i % (int) modulo(); // ?????????
+                                    if( disp_val < 0) {
+                                        while(disp_val < 0)
+                                            disp_val += modulo();
+                                    }
+                                } else {
+                                    disp_val = i;
+                                } 
+
+                                lenstr = sprintf( TextScale, "%d",
+                                                  FloatToInt(disp_val * data_scaling()/*+.5*/));
+                                // (int)(disp_val  * data_scaling() +.5));
+                                /* if(( (marker_ys - 8 ) > scrn_rect.top ) &&
+                                   ( (marker_ys + 8) < (height))){ */ //suma
+                                // huds_both
+                                if( huds_both(options) ) {
+                                    // drawOneLine( scrn_rect.left, marker_ys,
+                                    //              marker_xs,      marker_ys);
+                                    // drawOneLine( marker_xs, marker_ys,
+                                    //              scrn_rect.left + scrn_rect.right,
+                                    //              marker_ys);
+                                    if(tick_type=="line") {
+                                        glBegin(GL_LINE_STRIP);
+                                        glVertex2f( scrn_rect.left, marker_ys );
+                                        glVertex2f( marker_xs, marker_ys);
+                                        glVertex2f( width, marker_ys);
+                                        glEnd();
+                                    } else if(tick_type=="circle") //begin suma
+                                        circles(scrn_rect.left, (float)marker_ys,5.0); //end suma
+                                    else { 
+                                        glBegin(GL_LINE_STRIP);
+                                        glVertex2f( scrn_rect.left, marker_ys );
+                                        glVertex2f( marker_xs, marker_ys);
+                                        glVertex2f( width, marker_ys);
+                                        glEnd();
+                                    } 
+								
+                                    if( !huds_notext(options)) {
+                                        textString ( marker_xs + 2,  marker_ys,
+                                                     TextScale,  GLUT_BITMAP_8_BY_13,0 );
+                                    } 
+                                } else { 
+                                    //begin suma 
+                                    /* Changes are made to draw a circle when tick_type="circle" */							
+                                    // anything other than huds_both
+                                    if(tick_type=="line") {
+                                        drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
+                                    } else if(tick_type=="circle")
+                                        circles((float)marker_xs + 4, (float)marker_ys,5.0);//end suma
+                                    else {
+                                        drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
+                                    } 
+                                    if( !huds_notext(options) ) {
+                                        if( huds_left(options) ) { 
+                                            textString( marker_xs -  8 * lenstr - 2,
+                                                        marker_ys - 4,
+                                                        TextScale, GLUT_BITMAP_8_BY_13,0 );										 
+                                        } else { 
+                                            textString( marker_xe + 3 * lenstr,
+                                                        marker_ys - 4,
+                                                        TextScale, GLUT_BITMAP_8_BY_13,0 );
+                                        } //End if huds_left
+                                    } //End if !huds_notext
+                                }  //End if huds-both
+                            }  // End if draw major ticks
+                        }   // End if major ticks
+                    }  // End condition
+                }  // End for 
+            }  //end of zoom
+            // End if VERTICAL SCALE TYPE (tape loop yet to be closed)
+        } else {
+            // Horizontal scale by default
+            // left tick bar
+            if (draw_tick_left) {
+                drawOneLine( scrn_rect.left, scrn_rect.top,
+                             scrn_rect.left, height);
+            }  // endif draw_tick_left
+            // right tick bar
+            if (draw_tick_right) {
+                drawOneLine( width, scrn_rect.top,
+                             width,
+                             height );
+            }  // endif draw_tick_right
+
+            marker_ys = scrn_rect.top;           // Starting point for
+            marker_ye = height;                  // tick y location calcs
+            marker_xe = width;
+            marker_xs = scrn_rect.left + FloatToInt((cur_value - vmin) * factor() /*+ .5f*/);
+		  
+
+            //    glBegin(GL_LINES);
+            // left tick bar
+            //    glVertex2f( scrn_rect.left, scrn_rect.top);
+            //    glVertex2f( scrn_rect.left, marker_ye);
+
+            // right tick bar
+            //    glVertex2f( marker_xe, scrn_rect.top);
+            //    glVertex2f( marker_xe, marker_ye );
+            //    glEnd();
+
+            if( huds_top(options) ) {
+                if (draw_cap_bottom) {
+                    // Bottom box line
+                    drawOneLine( scrn_rect.left,
+                                 scrn_rect.top,
+                                 width,
+                                 scrn_rect.top);
+                }  //endif cap_bottom
+
+                // Tick point adjust
+                marker_ye  = scrn_rect.top + scrn_rect.bottom / 2;
+                // Bottom arrow
+                // drawOneLine( mid_scr.x, marker_ye,
+                //              mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
+                // drawOneLine( mid_scr.x, marker_ye,
+                //              mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
+                // draw pointer
+                if(pointer) {
+                    if(pointer_type=="moving") { 
+                        if (zoom ==0) {
+                            //Code for Moving Type Pointer included by suma.
+                            // static float xcentre,xpoint,ypoint;
+                            // static int range;
+                            if(cur_value > maxValue) cur_value = maxValue;
+                            if(cur_value < minValue) cur_value = minValue;
+                            float xcentre = mid_scr.x;
+                            int range = scrn_rect.right;
+                            float xpoint = xcentre + (cur_value * range / val_span);
+                            float ypoint = scrn_rect.top - marker_offset;
+                            drawOneLine(xcentre, ypoint,xpoint,ypoint);
+                            drawOneLine(xpoint,ypoint,xpoint,ypoint+marker_offset);
+                            drawOneLine(xpoint,ypoint+marker_offset,xpoint+5.0,ypoint+5.0);
+                            drawOneLine(xpoint,ypoint+marker_offset,xpoint-5.0,ypoint+5.0);
+                        } 
+                    } else { 
+                        //default to fixed
+                        fixed( marker_xs - scrn_rect.bottom / 4, scrn_rect.top,
+                               marker_xs, marker_ye, marker_xs + scrn_rect.bottom / 4,scrn_rect.top);
+                    } 
+                }  //if pointer
+            } //End Horizontal scale/top
+
+            if( huds_bottom(options) ) {
+                // Top box line
+                if (draw_cap_top) {
+                    drawOneLine( scrn_rect.left, height,
+                                 width, height);
+                }  //endif cap_top
+
+                // Tick point adjust
+                marker_ys = height - scrn_rect.bottom  / 2;
+                // Top arrow
+                //      drawOneLine( mid_scr.x + scrn_rect.bottom / 4,
+                //                   scrn_rect.top + scrn_rect.bottom,
+                //                   mid_scr.x, marker_ys );
+                //      drawOneLine( mid_scr.x - scrn_rect.bottom / 4,
+                //                   scrn_rect.top + scrn_rect.bottom,
+                //                   mid_scr.x , marker_ys );
+            
+                // draw pointer
+                if(pointer) {
+                    if(pointer_type=="moving") { 
+                        if(zoom == 0) { 
+                            //Code for Moving Type Pointer included by suma.
+                            // static float xcentre,xpoint,ypoint;
+                            // static int range,hgt;
+                            if(cur_value > maxValue) cur_value = maxValue;
+                            if(cur_value < minValue) cur_value = minValue;
+                            float xcentre = mid_scr.x ;
+                            int range = scrn_rect.right;
+                            int hgt   = scrn_rect.top + scrn_rect.bottom;
+                            float xpoint = xcentre + (cur_value * range / val_span);
+                            float ypoint = hgt + marker_offset;
+                            drawOneLine(xcentre, ypoint,xpoint,ypoint);
+                            drawOneLine(xpoint,ypoint,xpoint,ypoint-marker_offset);
+                            drawOneLine(xpoint,ypoint-marker_offset,xpoint+5.0,ypoint-5.0);
+                            drawOneLine(xpoint,ypoint-marker_offset,xpoint-5.0,ypoint-5.0);
+                        } 
+                    } else { 
+                        fixed( marker_xs + scrn_rect.bottom / 4, height, marker_xs, marker_ys,
+                               marker_xs - scrn_rect.bottom / 4, height);
+                                }  
+                } //if pointer
+            }  //end horizontal scale bottom
+
+            //    if(( options & HUDS_BOTTOM) == HUDS_BOTTOM ) {
+            //      marker_xe = marker_ys;
+            //      marker_ys = marker_ye;
+            //      marker_ye = marker_xe;
+            //      }
+
+            // printf("vmin = %d  vmax = %d\n", (int)vmin, (int)vmax);
+            
+            //  last = FloatToInt(vmax)+1;
+            //  i    = FloatToInt(vmin);
+
+            if(zoom ==1) {  
+                zoomed_scale(vmin,vmax); //suma
+            } else  { 
+                //default to zoom=0
+                last = (int)vmax + 1;
+                i = (int)vmin;
+                for(; i <last ; i++ ) {
+                    // for( i = (int)vmin; i <= (int)vmax; i++ )     {
+                    // printf("<*> i = %d\n", i);
+                    condition = true;
+                    if( !modulo()) {
+                        if( i < min_val()) {
+                            condition = false;
+                        }
+                    } 
+                    // printf("<**> i = %d\n", i);
+                    if( condition )        {
+                        // marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5);
+                        marker_xs = scrn_rect.left + FloatToInt(((i - vmin) * factor()/*+ .5f*/));
+
+                        if (oddtype == 1) 
+                            k = i+1; //enable ticks at odd values
+                        else
+                            k = i;
+
+                        if( div_min()) {
+                            //          if( (i%(int)div_min()) == 0 ) {
+                            //draw minor ticks
+                            if( !(k%(int)div_min() )) {           
+                                // draw in ticks only if they aren't too close to the edge.
+                                if((( marker_xs - 5) > scrn_rect.left ) &&
+                                  (( marker_xs + 5 )< (scrn_rect.left + scrn_rect.right))){
+                            
+                                if( huds_both(options) ) { 
+                                    if(tick_length=="variable") { 
+                                        drawOneLine( marker_xs, scrn_rect.top,
+                                                     marker_xs, marker_ys - 4);
+                                        drawOneLine( marker_xs, marker_ye + 4,
+                                                     marker_xs, height);
+                                    } else { 
+                                        drawOneLine( marker_xs, scrn_rect.top,
+                                                     marker_xs, marker_ys);
+                                        drawOneLine( marker_xs, marker_ye,
+                                                     marker_xs, height);
+                                    } 
+                                    // glBegin(GL_LINES);
+                                    // glVertex2f( marker_xs, scrn_rect.top);
+                                    // glVertex2f( marker_xs, marker_ys - 4);
+                                    // glVertex2f( marker_xs, marker_ye + 4);
+                                                // glVertex2f( marker_xs, scrn_rect.top + scrn_rect.bottom);
+                                    // glEnd();
+                                }  else {
+                                    if( huds_top(options)) {
+                                        //draw minor ticks
+                                        if(tick_length=="variable")
+                                            drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye-4);
+                                        else
+                                            drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye);
+                                    } else  
+                                        if(tick_length=="variable")
+                                            drawOneLine(marker_xs,marker_ys+4,marker_xs,marker_ye);
+                                        else
+                                            drawOneLine(marker_xs,marker_ys,marker_xs,marker_ye);
+                                }
+                              }
+                            } //end draw minor ticks
+                        } //end minor ticks
+                        //major ticks
+                        if( div_max()) {
+                            // printf("i = %d\n", i);
+                            //          if( (i%(int)div_max())==0 ) {
+                            //draw major ticks
+                            if( !(k%(int)div_max()) ) {           
+                                if(modulo()) {
+                                    disp_val = i % (int) modulo(); // ?????????
+                                    if( disp_val < 0) {
+                                        while(disp_val<0)
+                                            disp_val += modulo();
+                                    } 
+                                } else {
+                                    disp_val = i;
+                                } 
+                                // printf("disp_val = %d\n", disp_val);
+                                // printf("%d\n", (int)(disp_val  * (double)data_scaling() + 0.5));
+                                lenstr = sprintf( TextScale, "%d",
+                                                  // (int)(disp_val  * data_scaling() +.5));
+                                                  FloatToInt(disp_val * data_scaling()/*+.5*/));
+                                // Draw major ticks and text only if far enough from the edge.
+                                if(( (marker_xs - 10)> scrn_rect.left ) &&
+                                          ( (marker_xs + 10) < (scrn_rect.left + scrn_rect.right))){
+                                if( huds_both(options) ) {
+                                    // drawOneLine( marker_xs, scrn_rect.top,
+                                    //              marker_xs, marker_ys);
+                                    // drawOneLine( marker_xs, marker_ye,
+                                    //              marker_xs, scrn_rect.top + scrn_rect.bottom);
+                                    glBegin(GL_LINE_STRIP);
+                                    glVertex2f( marker_xs, scrn_rect.top);
+                                    glVertex2f( marker_xs, marker_ye);
+                                    glVertex2f( marker_xs, height);
+                                    glEnd();
+                                    if( !huds_notext(options) ) {
+                                        textString ( marker_xs - 4 * lenstr,
+                                                     marker_ys + 4,
+                                                             TextScale,  GLUT_BITMAP_8_BY_13,0 ); //suma
+                                    } 
+                                } else {
+                                    drawOneLine( marker_xs, marker_ys,
+                                                 marker_xs, marker_ye );
+                                    if( !huds_notext(options)) {
+                                        if( huds_top(options) )              {
+                                            textString ( marker_xs - 4 * lenstr,
+                                                         height - 10,
+                                                         TextScale, GLUT_BITMAP_8_BY_13,0 ); //suma
+                                        }  else  {
+                                            textString( marker_xs - 4 * lenstr,
+                                                        scrn_rect.top,
+                                                        TextScale, GLUT_BITMAP_8_BY_13,0 ); //suma
+                                        } 
+                                    } 
+                                }
+                              }
+                            }  //end draw major ticks
+                        } //endif major ticks
+                    }   //end condition
+                } //end for
+            }  //end zoom
+        } //end horizontal/vertical scale
+    } // end of type tape
+} //draw
+
+
+//begin suma
+
+void hud_card :: 
+circles(float x,float y,float size)
+{
+    glEnable(GL_POINT_SMOOTH);
+    glPointSize(size); 
+
+    glBegin(GL_POINTS);
+    glVertex2f(x,y);
+    glEnd();
+										  
+    glPointSize(1.0);
+    glDisable(GL_POINT_SMOOTH); 
+}
+ 
+//end suma
+
+void hud_card ::
+fixed(float x1, float y1, float x2, float y2, float x3, float y3)
+{
+    glBegin(GL_LINE_STRIP);
+    glVertex2f(x1, y1);
+    glVertex2f(x2, y2);
+    glVertex2f(x3, y3);   
+    glEnd();
+}
+
+
+void hud_card ::
+zoomed_scale(int first, int last)
+{
+	
+    POINT mid_scr    = get_centroid();
+    RECT   scrn_rect = get_location();
+    UINT options     = get_options();
+    char TextScale[80];
+    int disp_val = 0;
+    int data[80];
+ 
+    float x,y,w,h,bottom;
+    float cur_value=get_value();
+    if(cur_value > maxValue) cur_value = maxValue;
+    if(cur_value < minValue) cur_value = minValue;
+	
+    int a=0;
+	
+    while(first <= last) {
+        if((first % (int)Maj_div) == 0) {   
+            data[a] = first;
+            a++ ;
         }
-      }
+        first++;
     }
-}
+    int centre =a/2;
+
+	
+    if( huds_vert(options) ) {
+
+        x=scrn_rect.left;
+        y=scrn_rect.top;
+        w=scrn_rect.left+scrn_rect.right;
+        h=scrn_rect.top+scrn_rect.bottom;
+        bottom=scrn_rect.bottom;
+	    
+        float xstart, yfirst, ycentre, ysecond; 
+
+        float hgt = bottom * 20.0 /100.0;  // 60% of height should be zoomed
+        yfirst = mid_scr.y - hgt;
+        ycentre = mid_scr.y;
+        ysecond = mid_scr.y + hgt;
+        float range = hgt * 2;
+		
+        int i;
+        float factor = range /10.0;
+       
+        float hgt1 = bottom * 30.0 /100.0;
+        int  incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ;
+        int  incr = incrs / 2;
+        float factors = hgt1 / incr;
+
+
+
+        // begin
+        //this is for moving type pointer 
+        static float ycent, ypoint,xpoint;
+        static int wth;
+		 
+        ycent = mid_scr.y;
+        wth=scrn_rect.left+scrn_rect.right;
+		 
+        if(cur_value <= data[centre+1])
+            if(cur_value > data[centre]) {  
+                ypoint = ycent + ((cur_value - data[centre]) * hgt/Maj_div);
+            }	   						   
+
+        if(cur_value >= data[centre-1])
+            if(cur_value <= data[centre]) { 
+                ypoint = ycent - ((data[centre]-cur_value) * hgt/Maj_div);
+            } 
+
+        if(cur_value < data[centre-1])
+            if(cur_value >= minValue) {   
+                float diff  = minValue  - data[centre-1];
+                float diff1 = cur_value - data[centre-1];
+                float val = (diff1 * hgt1) / diff;
+		 	  
+                ypoint = ycent - hgt -  val;
+            }	  	 					   
+		
+
+        if(cur_value > data[centre+1])
+            if(cur_value <= maxValue) {    
+                float diff  = maxValue  - data[centre+1];
+                float diff1 = cur_value - data[centre+1];
+                float val = (diff1 * hgt1) / diff;
+		 	  
+                ypoint = ycent + hgt +  val;
+            }	  	 
+		   		   
+        if(huds_left(options)) { 
+            xstart = w;
+
+            drawOneLine( xstart, ycentre, xstart - 5.0, ycentre); //centre tick
+	   
+            sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
+
+            if( !huds_notext(options)) { 
+                textString (x, ycentre, TextScale, GLUT_BITMAP_8_BY_13,0 );
+            } 
+ 	
+            for(i=1;i<5;i++) {  
+                yfirst  += factor;
+                ycentre += factor;
+                circles(xstart-2.5,yfirst, 3.0);
+                circles(xstart-2.5,ycentre,3.0);
+            } 
+						
+            yfirst = mid_scr.y - hgt;
+
+            for(i=0;i<=incr;i++) { 
+                drawOneLine( xstart, yfirst, xstart - 5.0, yfirst);
+                drawOneLine( xstart,ysecond, xstart - 5.0,ysecond);
+                
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
+
+                if( !huds_notext(options)) 
+                    textString (x, yfirst, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
+
+                if( !huds_notext(options)) 
+                    textString (x, ysecond, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+
+                yfirst    -= factors;
+                ysecond   += factors;
+
+            } 
+            //to draw moving type pointer for left option
+            //begin		
+            xpoint = wth + 10.0;
+	
+            if(pointer_type == "moving") { 
+                drawOneLine(xpoint,ycent,xpoint,ypoint);
+                drawOneLine(xpoint,ypoint,xpoint-10.0,ypoint);
+                drawOneLine(xpoint-10.0,ypoint,xpoint-5.0,ypoint+5.0);
+                drawOneLine(xpoint-10.0,ypoint,xpoint-5.0,ypoint-5.0);
+            } 
+            //end
+	
+        } else { 
+            //huds_right
+            xstart = (x+w)/2;
+	   
+            drawOneLine( xstart, ycentre, xstart + 5.0, ycentre); //centre tick
+	   
+            sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
+
+            if( !huds_notext(options)) { 
+                textString (w, ycentre, TextScale, GLUT_BITMAP_8_BY_13,0 );
+            } 
+ 	
+            for(i=1;i<5;i++) {  
+                yfirst  += factor;
+                ycentre += factor;
+                circles(xstart+2.5,yfirst, 3.0);
+                circles(xstart+2.5,ycentre,3.0);
+            } 
+						
+            yfirst = mid_scr.y - hgt;
+
+            for(i=0;i<=incr;i++) { 
+                drawOneLine( xstart, yfirst, xstart + 5.0, yfirst);
+                drawOneLine( xstart,ysecond, xstart + 5.0,ysecond);
+		  
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
+
+                if( !huds_notext(options)) 
+                    textString (w, yfirst, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
+
+                if( !huds_notext(options)) 
+                    textString (w, ysecond, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+                yfirst -= factors;
+                ysecond   += factors;
+
+            } 
+
+            // to draw moving type pointer for right option
+            //begin   		  
+            xpoint = scrn_rect.left;
+		
+            if(pointer_type == "moving") { 
+                drawOneLine(xpoint,ycent,xpoint,ypoint);
+                drawOneLine(xpoint,ypoint,xpoint+10.0,ypoint);
+                drawOneLine(xpoint+10.0,ypoint,xpoint+5.0,ypoint+5.0);
+                drawOneLine(xpoint+10.0,ypoint,xpoint+5.0,ypoint-5.0);
+            } 
+            //end					 
+        }//end huds_right /left
+	//end of vertical scale
+    } else { 
+        //horizontal scale
+        x=scrn_rect.left;
+        y=scrn_rect.top;
+        w=scrn_rect.left+scrn_rect.right;
+        h=scrn_rect.top+scrn_rect.bottom;
+        bottom=scrn_rect.right;
+	    
+        float ystart, xfirst, xcentre, xsecond; 
+
+        float hgt = bottom * 20.0 /100.0;  // 60% of height should be zoomed
+        xfirst = mid_scr.x - hgt;
+        xcentre = mid_scr.x;
+        xsecond = mid_scr.x + hgt;
+        float range = hgt * 2;
+		
+        int i;
+        float factor = range /10.0;
+
+        float hgt1 = bottom * 30.0 /100.0;
+        int  incrs = ((int)val_span - (Maj_div * 2)) / Maj_div ;
+        int  incr = incrs / 2;
+        float factors = hgt1 / incr;
+
+		
+        //Code for Moving Type Pointer
+        //begin
+        static float xcent,xpoint,ypoint;
+		
+        xcent = mid_scr.x;
+		 
+        if(cur_value <= data[centre+1])
+            if(cur_value > data[centre]) {   
+                xpoint = xcent + ((cur_value - data[centre]) * hgt/Maj_div);
+            }	  	 					   
+        
+        if(cur_value >= data[centre-1])
+            if(cur_value <= data[centre]) {   
+                xpoint = xcent - ((data[centre]-cur_value) * hgt/Maj_div);
+            }	  
+		   
+        if(cur_value < data[centre-1])
+            if(cur_value >= minValue) {   
+                float diff  = minValue  - data[centre-1];
+                float diff1 = cur_value - data[centre-1];
+                float val = (diff1 * hgt1) / diff;
+		 	  
+                xpoint = xcent - hgt -  val;
+            }
+		
+           
+        if(cur_value > data[centre+1])
+            if(cur_value <= maxValue) {   
+                float diff  = maxValue  - data[centre+1];
+                float diff1 = cur_value - data[centre+1];
+                float val = (diff1 * hgt1) / diff;
+		 	  
+                xpoint = xcent + hgt +  val;
+            }	  	 					   
+		
+        //end
+        if(huds_top(options)) { 
+
+            ystart =h;
+	   
+            drawOneLine( xcentre, ystart, xcentre, ystart - 5.0); //centre tick
+	   
+            sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
+
+            if( !huds_notext(options)) { 
+                textString (xcentre-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
+            } 
+ 	
+            for(i=1;i<5;i++) {  
+                xfirst  += factor;
+                xcentre += factor;
+                circles(xfirst,  ystart-2.5, 3.0);
+                circles(xcentre, ystart-2.5, 3.0);
+            } 
+						
+            xfirst = mid_scr.x - hgt;				
+ 	   
+            for(i=0;i<=incr;i++) { 
+                drawOneLine( xfirst,  ystart, xfirst,  ystart - 5.0);
+                drawOneLine( xsecond, ystart, xsecond, ystart - 5.0);
+		  
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
+
+                if( !huds_notext(options)) 
+                    textString (xfirst-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
+                            
+                if( !huds_notext(options)) 
+                    textString (xsecond-10.0, y, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+
+                xfirst -= factors;
+                xsecond   += factors;
+                
+            } 
+            //this is for moving pointer for top option
+            //begin
+		
+            ypoint = scrn_rect.top + scrn_rect.bottom + 10.0;
+
+            if(pointer_type == "moving") { 
+                drawOneLine(xcent, ypoint,xpoint,ypoint);
+                drawOneLine(xpoint,ypoint,xpoint,ypoint-10.0);
+                drawOneLine(xpoint,ypoint-10.0,xpoint+5.0,ypoint-5.0);
+                drawOneLine(xpoint,ypoint-10.0,xpoint-5.0,ypoint-5.0);
+            } 
+            //end of top option
+        } else { 
+            //else huds_bottom
+            ystart = (y+h)/2;
+			
+            //drawOneLine( xstart, yfirst,  xstart - 5.0, yfirst );
+            drawOneLine( xcentre, ystart, xcentre, ystart + 5.0); //centre tick
+	   
+            sprintf(TextScale,"%3.0f\n",(float)(data[centre] * data_scaling()));
+            
+            if( !huds_notext(options)) { 
+                textString (xcentre-10.0, h, TextScale, GLUT_BITMAP_8_BY_13,0 );
+            } 
+ 	
+            for(i=1;i<5;i++) {  
+                xfirst  += factor;
+                xcentre += factor;
+                circles(xfirst,  ystart+2.5, 3.0);
+                circles(xcentre, ystart+2.5,3.0);
+            } 
+						
+            xfirst = mid_scr.x - hgt;
+		
+            for(i=0;i<=incr;i++) { 
+                drawOneLine( xfirst, ystart, xfirst, ystart + 5.0);
+                drawOneLine( xsecond,ystart, xsecond,ystart + 5.0);
+                
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre-i-1] * data_scaling()));
+
+                if( !huds_notext(options)) 
+                    textString (xfirst-10.0,h, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+                sprintf(TextScale,"%3.0f\n",(float)(data[centre+i+1] * data_scaling()));
+
+                if( !huds_notext(options)) 
+                    textString (xsecond-10.0,h, TextScale, GLUT_BITMAP_8_BY_13,0 );
+		   
+
+                xfirst -= factors;
+                xsecond   += factors;
+
+            } 
+            //this is for movimg pointer for bottom option
+            //begin
+	
+            ypoint = scrn_rect.top - 10.0;
+            if(pointer_type == "moving") { 
+                drawOneLine(xcent, ypoint,xpoint,ypoint);
+                drawOneLine(xpoint,ypoint,xpoint,ypoint+10.0);
+                drawOneLine(xpoint,ypoint+10.0,xpoint+5.0,ypoint+5.0);
+                drawOneLine(xpoint,ypoint+10.0,xpoint-5.0,ypoint+5.0);
+            } 
+
+		
+            //end		 	
+        }//end hud_top or hud_bottom 
+
+    }  //end of horizontal/vertical scales
 
+}//end draw