Removed all dome distortion correction code as this is now part of the core osgViewer.

Added viewer mode where movies are made fullscreen.  One can use the old interactive
camera mode by using --interactive parameter on the command line.
This commit is contained in:
Robert Osfield 2007-09-25 15:01:11 +00:00
parent 43eacc4cbc
commit b8ddf1f786

View File

@ -267,14 +267,14 @@ void MovieEventHandler::getUsage(osg::ApplicationUsage& usage) const
} }
osg::Geometry* myCreateTexturedQuadGeometry(const osg::Vec3& pos,float width,float height, osg::Image* image, bool useTextureRectangle) osg::Geometry* myCreateTexturedQuadGeometry(const osg::Vec3& pos,float width,float height, osg::Image* image, bool useTextureRectangle, bool xyPlane)
{ {
bool flip = image->getOrigin()==osg::Image::TOP_LEFT; bool flip = image->getOrigin()==osg::Image::TOP_LEFT;
if (useTextureRectangle) if (useTextureRectangle)
{ {
osg::Geometry* pictureQuad = osg::createTexturedQuadGeometry(pos, osg::Geometry* pictureQuad = osg::createTexturedQuadGeometry(pos,
osg::Vec3(width,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f),
osg::Vec3(0.0f,0.0f,height), xyPlane ? osg::Vec3(0.0f,height,0.0f) : osg::Vec3(0.0f,0.0f,height),
0.0f, flip ? image->t() : 0.0, image->s(), flip ? 0.0 : image->t()); 0.0f, flip ? image->t() : 0.0, image->s(), flip ? 0.0 : image->t());
osg::TextureRectangle* texture = new osg::TextureRectangle(image); osg::TextureRectangle* texture = new osg::TextureRectangle(image);
@ -292,7 +292,7 @@ osg::Geometry* myCreateTexturedQuadGeometry(const osg::Vec3& pos,float width,flo
{ {
osg::Geometry* pictureQuad = osg::createTexturedQuadGeometry(pos, osg::Geometry* pictureQuad = osg::createTexturedQuadGeometry(pos,
osg::Vec3(width,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f),
osg::Vec3(0.0f,0.0f,height), xyPlane ? osg::Vec3(0.0f,height,0.0f) : osg::Vec3(0.0f,0.0f,height),
0.0f, flip ? 1.0f : 0.0f , 1.0f, flip ? 0.0f : 1.0f); 0.0f, flip ? 1.0f : 0.0f , 1.0f, flip ? 0.0f : 1.0f);
osg::Texture2D* texture = new osg::Texture2D(image); osg::Texture2D* texture = new osg::Texture2D(image);
@ -309,324 +309,6 @@ osg::Geometry* myCreateTexturedQuadGeometry(const osg::Vec3& pos,float width,flo
} }
} }
class DomeModel
{
public:
DomeModel(osg::ArgumentParser& arguments):
sphere_radius(1.0),
collar_radius(0.45),
rotationDegrees(180.0),
distance(0.0),
flip(false),
texcoord_flip(false)
{
if (arguments.read("--radius", sphere_radius)) {}
if (arguments.read("--collar", collar_radius)) {}
if (arguments.read("--rotation", rotationDegrees)) {}
distance = sqrt(sphere_radius*sphere_radius - collar_radius*collar_radius);
if (arguments.read("--distance", distance)) {}
if (arguments.read("--flip")) { flip = true; }
}
double sphere_radius;
double collar_radius;
double rotationDegrees;
double distance;
bool flip;
bool texcoord_flip;
};
osg::Geometry* createDomeDistortionMesh(const osg::Vec3& origin, const osg::Vec3& widthVector, const osg::Vec3& heightVector, DomeModel& domeModel)
{
osg::Vec3d center(0.0,0.0,0.0);
osg::Vec3d eye(0.0,0.0,0.0);
bool centerProjection = false;
osg::Vec3d projector = eye - osg::Vec3d(0.0,0.0, domeModel.distance);
osg::notify(osg::NOTICE)<<"Projector position = "<<projector<<std::endl;
osg::notify(osg::NOTICE)<<"distance = "<<domeModel.distance<<std::endl;
// create the quad to visualize.
osg::Geometry* geometry = new osg::Geometry();
geometry->setSupportsDisplayList(false);
osg::Vec3 xAxis(widthVector);
float width = widthVector.length();
xAxis /= width;
osg::Vec3 yAxis(heightVector);
float height = heightVector.length();
yAxis /= height;
int noSteps = 160;
osg::Vec3Array* vertices = new osg::Vec3Array;
osg::Vec2Array* texcoords = new osg::Vec2Array;
osg::Vec4Array* colors = new osg::Vec4Array;
osg::Vec3 bottom = origin;
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(domeModel.rotationDegrees);
osg::Vec3 cursor = bottom;
int i,j;
int midSteps = noSteps/2;
for(i=0;i<midSteps;++i)
{
osg::Vec3 cursor = bottom+dy*(float)i;
for(j=0;j<midSteps;++j)
{
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;
double f = domeModel.distance * sin(phi);
double e = domeModel.distance * cos(phi) + sqrt( domeModel.sphere_radius*domeModel.sphere_radius - f*f);
double l = e * cos(phi);
double h = e * sin(phi);
double gamma = atan2(h, l-domeModel.distance);
osg::Vec2 texcoord(theta/(2.0*osg::PI), 1.0-gamma/osg::PI);
// osg::notify(osg::NOTICE)<<"cursor = "<<cursor<< " theta = "<<theta<< "phi="<<phi<<" gamma = "<<gamma<<" texcoord="<<texcoord<<std::endl;
if (domeModel.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( domeModel.texcoord_flip ? osg::Vec2(texcoord.x(), 1.0f - texcoord.y()) : texcoord);
if (j+1<midSteps) cursor += dx;
}
for(;j<noSteps;++j)
{
osg::Vec2 delta(cursor.x() - screenCenter.x(), cursor.y() - screenCenter.y());
double theta = atan2(delta.x(), -delta.y());
double phi = osg::PI_2 * delta.length() / screenRadius;
if (phi > osg::PI_2) phi = osg::PI_2;
double f = domeModel.distance * sin(phi);
double e = domeModel.distance * cos(phi) + sqrt( domeModel.sphere_radius*domeModel.sphere_radius - f*f);
double l = e * cos(phi);
double h = e * sin(phi);
double gamma = atan2(h, l-domeModel.distance);
osg::Vec2 texcoord(theta/(2.0*osg::PI), 1.0-gamma/osg::PI);
// osg::notify(osg::NOTICE)<<"cursor = "<<cursor<< " theta = "<<theta<< "phi="<<phi<<" gamma = "<<gamma<<" texcoord="<<texcoord<<std::endl;
if (domeModel.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( domeModel.texcoord_flip ? osg::Vec2(texcoord.x(), 1.0f - texcoord.y()) : texcoord);
cursor += dx;
}
// osg::notify(osg::NOTICE)<<std::endl;
}
for(;i<noSteps;++i)
{
osg::Vec3 cursor = bottom+dy*(float)i;
for(j=0;j<noSteps;++j)
{
osg::Vec2 delta(cursor.x() - screenCenter.x(), cursor.y() - screenCenter.y());
double theta = atan2(delta.x(), -delta.y());
if (theta<0.0) theta += 2*osg::PI;
double phi = osg::PI_2 * delta.length() / screenRadius;
if (phi > osg::PI_2) phi = osg::PI_2;
double f = domeModel.distance * sin(phi);
double e = domeModel.distance * cos(phi) + sqrt( domeModel.sphere_radius*domeModel.sphere_radius - f*f);
double l = e * cos(phi);
double h = e * sin(phi);
double gamma = atan2(h, l-domeModel.distance);
osg::Vec2 texcoord(theta/(2.0*osg::PI), 1.0-gamma/osg::PI);
// osg::notify(osg::NOTICE)<<"cursor = "<<cursor<< " theta = "<<theta<< "phi="<<phi<<" gamma = "<<gamma<<" texcoord="<<texcoord<<std::endl;
if (domeModel.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( domeModel.texcoord_flip ? osg::Vec2(texcoord.x(), 1.0f - texcoord.y()) : texcoord);
cursor += dx;
}
// osg::notify(osg::NOTICE)<<std::endl;
}
// pass the created vertex array to the points geometry object.
geometry->setVertexArray(vertices);
geometry->setColorArray(colors);
geometry->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
geometry->setTexCoordArray(0,texcoords);
for(i=0;i<noSteps-1;++i)
{
osg::DrawElementsUShort* elements = new osg::DrawElementsUShort(osg::PrimitiveSet::QUAD_STRIP);
for(j=0;j<noSteps;++j)
{
elements->push_back(j+(i+1)*noSteps);
elements->push_back(j+(i)*noSteps);
}
geometry->addPrimitiveSet(elements);
}
return geometry;
}
void setDomeCorrection(osgViewer::Viewer& viewer, osg::ArgumentParser& arguments)
{
// enforce single threading right now to avoid double buffering of RTT texture
viewer.setThreadingModel(osgViewer::Viewer::SingleThreaded);
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
{
osg::notify(osg::NOTICE)<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
return;
}
unsigned int screenNum = 0;
while (arguments.read("--screen",screenNum)) {}
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(screenNum), width, height);
while (arguments.read("--width",width)) {}
while (arguments.read("--height",height)) {}
DomeModel domeModel(arguments);
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->screenNum = screenNum;
traits->x = 0;
traits->y = 0;
traits->width = width;
traits->height = height;
traits->windowDecoration = false;
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
if (!gc)
{
osg::notify(osg::NOTICE)<<"GraphicsWindow has not been created successfully."<<std::endl;
return;
}
osg::Texture* texture = 0;
for(int i=1;i<arguments.argc() && !texture;++i)
{
if (arguments.isString(i))
{
osg::Image* image = osgDB::readImageFile(arguments[i]);
osg::ImageStream* imagestream = dynamic_cast<osg::ImageStream*>(image);
if (imagestream) imagestream->play();
if (image)
{
domeModel.texcoord_flip = image->getOrigin()==osg::Image::TOP_LEFT;
#if 1
texture = new osg::TextureRectangle(image);
#else
texture = new osg::Texture2D(image);
#endif
}
}
}
if (!texture)
{
return;
}
// distortion correction set up.
{
osg::Geode* geode = new osg::Geode();
geode->addDrawable( createDomeDistortionMesh(osg::Vec3(0.0f,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f), osg::Vec3(0.0f,height,0.0f), domeModel) );
// new we need to add the texture to the mesh, we do so by creating a
// StateSet to contain the Texture StateAttribute.
osg::StateSet* stateset = geode->getOrCreateStateSet();
stateset->setTextureAttributeAndModes(0, texture, osg::StateAttribute::ON);
texture->setMaxAnisotropy(16.0f);
stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
#if 1
osg::TexMat* texmat = new osg::TexMat;
texmat->setScaleByTextureRectangleSize(true);
stateset->setTextureAttributeAndModes(0, texmat, osg::StateAttribute::ON);
#endif
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(gc.get());
camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT );
camera->setClearColor( osg::Vec4(0.1,0.1,1.0,1.0) );
camera->setViewport(new osg::Viewport(0, 0, width, height));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF);
camera->setAllowEventFocus(false);
//camera->setInheritanceMask(camera->getInheritanceMask() & ~osg::CullSettings::CLEAR_COLOR & ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE);
//camera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
camera->setProjectionMatrixAsOrtho2D(0,width,0,height);
camera->setViewMatrix(osg::Matrix::identity());
// add subgraph to render
// camera->addChild(geode);
camera->setName("DistortionCorrectionCamera");
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd(), true);
viewer.setSceneData(geode);
}
viewer.getCamera()->setNearFarRatio(0.0001f);
}
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
// use an ArgumentParser object to manage the program arguments. // use an ArgumentParser object to manage the program arguments.
@ -640,6 +322,7 @@ int main(int argc, char** argv)
arguments.getApplicationUsage()->addCommandLineOption("--texture2D","Use Texture2D rather than TextureRectangle."); arguments.getApplicationUsage()->addCommandLineOption("--texture2D","Use Texture2D rather than TextureRectangle.");
arguments.getApplicationUsage()->addCommandLineOption("--shader","Use shaders to post process the video."); arguments.getApplicationUsage()->addCommandLineOption("--shader","Use shaders to post process the video.");
arguments.getApplicationUsage()->addCommandLineOption("--dome","Use full dome distortion correction."); arguments.getApplicationUsage()->addCommandLineOption("--dome","Use full dome distortion correction.");
arguments.getApplicationUsage()->addCommandLineOption("--interactive","Use camera manipulator to allow movement around movie..");
bool useTextureRectangle = true; bool useTextureRectangle = true;
bool useShader = false; bool useShader = false;
@ -663,16 +346,10 @@ int main(int argc, char** argv)
return 1; return 1;
} }
bool fullscreen = !arguments.read("--interactive");
if (arguments.read("--dome") || arguments.read("--puffer") )
{
setDomeCorrection(viewer, arguments);
}
else
{
osg::ref_ptr<osg::Geode> geode = new osg::Geode; osg::ref_ptr<osg::Geode> geode = new osg::Geode;
osg::Vec3 pos(0.0f,0.0f,0.0f);
osg::StateSet* stateset = geode->getOrCreateStateSet(); osg::StateSet* stateset = geode->getOrCreateStateSet();
stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF); stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
@ -715,6 +392,12 @@ int main(int argc, char** argv)
} }
osg::Vec3 pos(0.0f,0.0f,0.0f);
osg::Vec3 topleft = pos;
osg::Vec3 bottomright = pos;
bool xyPlane = fullscreen;
for(int i=1;i<arguments.argc();++i) for(int i=1;i<arguments.argc();++i)
{ {
if (arguments.isString(i)) if (arguments.isString(i))
@ -725,9 +408,11 @@ int main(int argc, char** argv)
if (image) if (image)
{ {
geode->addDrawable(myCreateTexturedQuadGeometry(pos,image->s(),image->t(),image, useTextureRectangle)); geode->addDrawable(myCreateTexturedQuadGeometry(pos,image->s(),image->t(),image, useTextureRectangle, xyPlane));
pos.z() += image->t()*1.5f; bottomright = pos + osg::Vec3(static_cast<float>(image->s()),static_cast<float>(image->t()),0.0f);
pos.y() += image->t()*1.5f;
} }
else else
{ {
@ -744,8 +429,6 @@ int main(int argc, char** argv)
arguments.getApplicationUsage()->write(std::cout); arguments.getApplicationUsage()->write(std::cout);
return 1; return 1;
} }
}
// pass the model to the MovieEventHandler so it can pick out ImageStream's to manipulate. // pass the model to the MovieEventHandler so it can pick out ImageStream's to manipulate.
MovieEventHandler* meh = new MovieEventHandler(); MovieEventHandler* meh = new MovieEventHandler();
@ -762,10 +445,22 @@ int main(int argc, char** argv)
return 1; return 1;
} }
if (fullscreen)
{
viewer.realize();
viewer.getCamera()->setViewMatrix(osg::Matrix::identity());
viewer.getCamera()->setProjectionMatrixAsOrtho2D(topleft.x(),bottomright.x(),topleft.y(),bottomright.y());
while(!viewer.done())
{
viewer.frame();
}
return 0;
}
else
{
// create the windows and run the threads. // create the windows and run the threads.
return viewer.run(); return viewer.run();
}
} }