X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=docs-mini%2FREADME.multiscreen;h=6dd8aa3fc418bedb411710f7b5594c9c9995dd8b;hb=4d4e1a237165768e9abcf98a4251a9cefacb5093;hp=042bbac8495384d328b72d4541a6df0b6e995efa;hpb=674a295896a1e56d605f39874262d6f146a586a3;p=flightgear.git diff --git a/docs-mini/README.multiscreen b/docs-mini/README.multiscreen index 042bbac84..6dd8aa3fc 100644 --- a/docs-mini/README.multiscreen +++ b/docs-mini/README.multiscreen @@ -81,6 +81,31 @@ window, camera, or gui tags. width, height - int The dimensions of the viewport + physical-dimensions + The physical dimension of the projection surface. + Use this together with the master-perspective, right-of-perspective + left-of-perspective, above-perspective, below-perspective or + reference-points-perspective + + width, height - double + The dimensions of the projection plane, if unset the veiwport values + are taken as default. + + bezel + Gives informantion about the bezel of monitors for a seamless view. + + right + right bezel with in the same units than with and height above + + left + left bezel with in the same units than with and height above + + top + top bezel with in the same units than with and height above + + bottom + bottom bezel with in the same units than with and height above + view The view node specifies the origin and direction of the camera in relation to the whole camera group. The coordinate system is +y up, @@ -113,6 +138,11 @@ window, camera, or gui tags. and other background elements may not be drawn if the view plane is closer than 120km. + fixed-near-far - bool + If true the near and far values are taken from above, if false + near and far are adapted from the scene and visibility. + Defaults to true. + offset-x, offset-y - double Offsets of the viewing volume specified by the other parameters in the near plane, in meters. @@ -129,10 +159,77 @@ window, camera, or gui tags. near, far - double The near and far planes, in meters from the camera eye point. + fixed-near-far - bool + If true the near and far values are taken from above, if false + near and far are adapted from the scene and visibility. + Defaults to true. + ortho This specifies an orthographic view. The parameters are the sames as the frustum node's. + fixed-near-far - bool + If true the near and far values are taken from above, if false + near and far are adapted from the scene and visibility. + Defaults to true. + + master-perspective + Defines a persective projection matrix for use as the leading display + in a seamless multiscreen configuration. This kind of perspective + projection is zoomable. + + eye-distance - double + The distance of the eyepoint from the projection surface in units of + the physical-dimensions values above. + + x-offset, y-offset - double + Offset of the eyelpint from the center of the screen in units of + the physical-dimensions values above. + + left-of-perspective, right-of-perspective, above-perspective, + below-perspective + Defines a perspective projection matrix for use as derived display + in a seamless multiscreen configuration. The projection matrix + is computed so that the respective edge of this display matches the + assiciated other edge of the other display. For example the right edge + of a left-of-perspective display matches the left edge of the parent + display. This also works with different zoom levels, leading to distorted + but still seamless multiview configurations. + The bezel with configured in the physical dimensions of this screen and + the parent screen are taken into account for this type of projection. + + parent-camera - string + Name of the parent camera. + + reference-points-perspective + Defines a perspective projection matrix for use as derived display + in a seamless multiscreen configuration. This type is very similar to + left-of-perspective and friends. It is just a more flexible but less + convenient way to get the same effect. A child display is configured + by 2 sets of reference points one in this current camera and one in + the parrent camera which should match in the final view. + + parent-camera - string + Name of the parent camera. + + this + reference points for this projection. + + point - array of two points + + x, y - double + x and y coodinates of the reference points in units of this + physical-dimensions. + + parent + reference points for the parent projection. + + point - array of two points + + x, y - double + x and y coodinates of the reference points in units of the + parents physical-dimensions. + texture This tag indicates that the camera renders to a texture instead of the framebuffer. For now the following tags are supported, but obviously @@ -395,3 +492,170 @@ This example renders the scene for projection onto a spherical screen. +Here is an example for a 3 screen seamless zoomable multiscreen +configuration using 3 533mmx300mm displays each with a 23mm bezel. +The side views are angled with 45 deg. +The commented out reference-points-perspective shows the +aequivalent configuration than the active right-of-perspective. +This is done by just using two reference points at the outer +edge of the bezel of the respective display. + + + + + + 0.0 + + + + + + + 0.0 + + 0 + 0 + true + + + + 0.1 + + 0 + 1 + true + + + + CenterCamera + + 0.0 + + + 0 + 0 + 1920 + 1080 + + + 0.0 + 0.0 + 0.0 + + + + 533 + 300 + + 23 + 23 + 23 + 23 + + + + + 450 + 0 + 130 + + + + RightCamera + + 0.0 + + + 1920 + 0 + 1920 + 1080 + + + -45 + 0 + 0 + + + + 533 + 300 + + 23 + 23 + 23 + 23 + + + + CenterCamera + + + + + + + + + + + + + + + + + + + + + + + + + + + + LeftCamera + + 0.1 + + + 0 + 0 + 1920 + 1080 + + + 45 + 0 + 0 + + + + 533 + 300 + + 23 + 23 + 23 + 23 + + + + CenterCamera + + + + + 0.0 + + + + + +