//
// This file is in the Public Domain and comes with no warranty.
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include <simgear/compiler.h>
#include <simgear/sg_inlines.h>
+#include <simgear/math/SGMath.hxx>
#include <iostream>
#include <string>
#include <sstream>
#include <Main/fg_props.hxx>
#include <Main/util.hxx>
-
HeadingIndicator::HeadingIndicator ( SGPropertyNode *node )
:
_name(node->getStringValue("name", "heading-indicator")),
branch = "/instrumentation/" + _name;
SGPropertyNode *node = fgGetNode(branch.c_str(), _num, true );
- _offset_node = node->getChild("offset-deg", 0, true);
+ if( NULL == (_offset_node = node->getChild("offset-deg", 0, false)) ) {
+ _offset_node = node->getChild("offset-deg", 0, true);
+ _offset_node->setDoubleValue( -fgGetDouble("/environment/magnetic-variation-deg") );
+ }
_heading_in_node = fgGetNode("/orientation/heading-deg", true);
_suction_node = fgGetNode(_suction.c_str(), true);
_heading_out_node = node->getChild("indicated-heading-deg", 0, true);
_heading_bug_error_node = node->getChild("heading-bug-error-deg", 0, true);
_heading_bug_node = node->getChild("heading-bug-deg", 0, true);
+
+ reinit();
+}
+
+void
+HeadingIndicator::reinit ()
+{
_last_heading_deg = (_heading_in_node->getDoubleValue() +
_offset_node->getDoubleValue());
+ _gyro.reinit();
}
void