FGFS-4.1/OpenSceneGraph
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Added screen number, and flip support into dome correction codes.

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This commit is contained in:
Robert Osfield 2007-06-12 08:29:32 +00:00
parent c7f5d96caf
commit f64e8b2a96
1 changed files with 32 additions and 4 deletions
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36
examples/osgmovie/osgmovie.cpp
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@ -292,6 +292,9 @@ osg::Geometry* createDomeDistortionMesh(const osg::Vec3& origin, const osg::Vec3
double collar_radius = 0.45;
if (arguments.read("--collar", collar_radius)) {}
double rotationDegrees = 180.0;
if (arguments.read("--rotation", rotationDegrees)) {}
osg::Vec3d center(0.0,0.0,0.0);
osg::Vec3d eye(0.0,0.0,0.0);
@ -330,14 +333,21 @@ osg::Geometry* createDomeDistortionMesh(const osg::Vec3& origin, const osg::Vec3
osg::Vec3 dx = xAxis*(width/((float)(noSteps-2)));
osg::Vec3 dy = yAxis*(height/((float)(noSteps-1)));
osg::Vec3 top = origin + yAxis*height;
osg::Vec3d screenCenter = origin + widthVector*0.5f + heightVector*0.5f;
float screenRadius = heightVector.length() * 0.5f;
double rotation = osg::DegreesToRadians(rotationDegrees);
osg::Vec3 cursor = bottom;
int i,j;
int midSteps = noSteps/2;
bool flip = false;
if (arguments.read("--flip")) { flip = true; }
for(i=0;i<midSteps;++i)
{
osg::Vec3 cursor = bottom+dy*(float)i;
@ -346,6 +356,7 @@ osg::Geometry* createDomeDistortionMesh(const osg::Vec3& origin, const osg::Vec3
osg::Vec2 delta(cursor.x() - screenCenter.x(), cursor.y() - screenCenter.y());
double theta = atan2(delta.x(), -delta.y());
theta += 2*osg::PI;
double phi = osg::PI_2 * delta.length() / screenRadius;
if (phi > osg::PI_2) phi = osg::PI_2;
@ -359,7 +370,11 @@ osg::Geometry* createDomeDistortionMesh(const osg::Vec3& origin, const osg::Vec3
// osg::notify(osg::NOTICE)<<"cursor = "<<cursor<< " theta = "<<theta<< "phi="<<phi<<" gamma = "<<gamma<<" texcoord="<<texcoord<<std::endl;
vertices->push_back(cursor);
if (flip)
vertices->push_back(osg::Vec3(cursor.x(), top.y()-(cursor.y()-origin.y()),cursor.z()));
else
vertices->push_back(cursor);
colors->push_back(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
texcoords->push_back(texcoord);
@ -383,7 +398,11 @@ osg::Geometry* createDomeDistortionMesh(const osg::Vec3& origin, const osg::Vec3
// osg::notify(osg::NOTICE)<<"cursor = "<<cursor<< " theta = "<<theta<< "phi="<<phi<<" gamma = "<<gamma<<" texcoord="<<texcoord<<std::endl;
vertices->push_back(cursor);
if (flip)
vertices->push_back(osg::Vec3(cursor.x(), top.y()-(cursor.y()-origin.y()),cursor.z()));
else
vertices->push_back(cursor);
colors->push_back(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
texcoords->push_back(texcoord);
@ -413,7 +432,11 @@ osg::Geometry* createDomeDistortionMesh(const osg::Vec3& origin, const osg::Vec3
// osg::notify(osg::NOTICE)<<"cursor = "<<cursor<< " theta = "<<theta<< "phi="<<phi<<" gamma = "<<gamma<<" texcoord="<<texcoord<<std::endl;
vertices->push_back(cursor);
if (flip)
vertices->push_back(osg::Vec3(cursor.x(), top.y()-(cursor.y()-origin.y()),cursor.z()));
else
vertices->push_back(cursor);
colors->push_back(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
texcoords->push_back(texcoord);
@ -458,13 +481,18 @@ void setDomeCorrection(osgViewer::Viewer& viewer, osg::ArgumentParser& arguments
return;
}
unsigned int screenNum = 0;
while (arguments.read("--screen",screenNum)) {}
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(screenNum), width, height);
while (arguments.read("--width",width)) {}
while (arguments.read("--height",height)) {}
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->screenNum = screenNum;
traits->x = 0;
traits->y = 0;
traits->width = width;