osg::ref_ptr<RttCamera>createDeferCamera(osg::Camera::BufferComponent buffer1,osg::Texture* tex1, osg::Camera::BufferComponent buffer2,osg::Texture* tex2, osg::Camera::BufferComponent buffer3,osg::Texture* tex3,int width,int height) { osg::ref_ptr<RttCamera> camera=newRttCamera(width,h...
tex->setFilter( osg::Texture2D::MAG_FILTER,osg::Texture2D::LINEAR ); camera->setViewport(0,0, tex->getTextureWidth(),tex->getTextureHeight() ); camera->attach( buffer, tex ); } if( isAbsolute ) { camera->setReferenceFrame( osg::Transform::ABSOLUTE_RF ); camera->setProjectionMatrix(...
camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER); image = new osg::Image; image->allocateImage(width, height, 1, GL_BGR, GL_UNSIGNED_BYTE); camera->attach(osg::Camera::COLOR_BUFFER, image.get()); } void VirtualCamera::updatePosition(double r, double p, double h, double ...
rttCamera0->attach(osg::Camera::COLOR_BUFFER, image0.get()); rttCamera0->setReferenceFrame(osg::Camera::ABSOLUTE_RF); rttCamera0->setViewMatrixAsLookAt(eye0, center, osg::Vec3d(0, 1, 0)); rttCamera0->setProjectionMatrixAsOrtho(bs.xMin() - cenX, bs.xMax() - cenX, bs.yMin()...
camera->attach( osg::Camera::COLOR_BUFFER, texture.get() );//把frame buffer中的color buffer作为渲染数据 下一步就是设定合适的视图和投影矩阵以及一个合适刚刚设定的texture的大小的viewport在所使用的相机对象中,然后就可以把得到的texture设定为node或者drawables的属性.这样这个texture的结果将会随着相机的渲染...
osg::ref_ptr<osg::Camera> camera1 = new osg::Camera; camera1->setAllowEventFocus(false); camera1->setProjectionMatrixAsOrtho2D(0, 960, 0, 600); camera1->setViewport(0, 0, 960, 600); camera1->setReferenceFrame(osg::Transform::ABSOLUTE_RF); ...
问使用OSG获取模板缓冲区时FBO错误EN以往在OpenGL中学习渲染管线的时候，是依次按照申请数据、传送缓冲区、...
osg::Image* shot = new osg::Image(); shot->allocateImage(width, height, 24, GL_RGB, GL_UNSIGNED_BYTE); camera->attach(osg::Camera::COLOR_BUFFER, shot); osgDB::writeImageFile(*shot,"image_file.png"); 若要获取屏幕截图,需要使用Viewer渲染一个帧(frame) ...
Image::copySubImage started6 years ago 6 years ago Nikolai Christensen 1 reply Camera clear color started6 years ago 6 years ago c***@sina.com 1 reply osg::Cylinder height change not shown in OSG 3.6.3 started6 years ago 6 years ago ...
创建相机, 将其渲染到纹理(RTT) osg::Camera 设置清空背景颜色, 清空标识, 参考帧, 视口, 渲染目标实现 attach() --- 挂接到纹理或图像 setRenderTargetImplementation: 可设置渲染至 FBO setPostDrawCallback: 设置后期绘制回调 osg::Camera::DrawCallback 相机的绘制回调 05.10...