Re: [osg-users] transfer data to shader with osg::texture

Hi Wojtek ,Thank you for your reply,I have tried GL_RGBA16F_ARB instead like that "texture0->setInternalFormat(GL_RGBA16F_ARB);",but it seemed like not valid.The value still is 0..1 range.Are there other solutions? Thank you. -- Read this topic online here:

Re: [osg-users] transfer data to shader with osg::texture

Hi, I think internal format GL_RGBA16 normalizes your float values to 0..1 range. Try GL_RGBA16F_ARB instead. Cheers, Wojtek Lewandowski 2016-10-04 17:00 GMT+02:00 liu ming <81792...@qq.com>: > Hi, > > I want to send a set of data to geometry shader with osg::texture,I've > got a problem:in

[osg-users] transfer data to shader with osg::texture

Hi, I want to send a set of data to geometry shader with osg::texture,I've got a problem:in the geometry shader,I can use glsl function"texelFetch"to get the texel's values,and use the values to draw a triangle,But the values is not correct. the values always are "0" or "1",not the

Re: [osg-users] Attaching children to the prerender camera

good :) .. Glad you found your own way ! Cheers, Nick On Tue, Oct 4, 2016 at 4:14 PM, Mary-Ann Zorra wrote: > Hi Nick, > > I decided to restart this part, and reimplement the whole code. > Fortunately it worked fine, and my program behaves as expected. I have no > idea,

Re: [osg-users] multiple input with osgwidgets

Honestly I usually derive from osgGA::GUIEventHandler to handle mouse events. Cheers, Gianni -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=68849#68849 ___ osg-users mailing list

[osg-users] convert std::vector to osg::BufferObject

Hi guys, I have some problems with passing an std::vector to my shader as a uniform, and I was wondering, if anyone has some idea, how to do this. So my issue is that an std::vector of a custom defined data type have to get bound to the shader. I have an osg::UniformBufferObject and I would

[osg-users] Camera manipulator changes for inverted y axis

Hi, I reverted the y axis by adjusting the camera projection matrix: Code: camera->setProjectionMatrixAsPerspective(30.0f, static_cast(traits->width) / static_cast(traits->height), 1.0f, 1.0f); auto originalProjection = camera->getProjectionMatrix(); osg::Matrixd reverseYMat;

Re: [osg-users] multiple input with osgwidgets

gambr wrote: > Hi Meldryt, > I worked with osgWidget in the past. I move a widget with > left_mouse+mouse_move and resize it with central_mouse_button+mouse_move. > I also tried to show a contextual menu clicking with right mouse button on it. > Now I'm on OSG 3.4.0 but moved recentrly from OSG

Re: [osg-users] Vector script out of range

Hi Uma, There is no model attached. Without giving us a model that shows this behavior and some basic information on your OSG-Version, build environment etc. it is hard to guess what is going on. Most likely the ply-reader produces the error, so please try to attach the model so we can

[osg-users] Vector script out of range

Hi, I have tried a simple program in C++ to render 3d model using Osg Viewer. When I am trying to run the code I am getting "vector script out of range error " for some 3d model. This is my code. /*osg header files */ int main(int argc,char**argv) { /*using ref_ptr*/

Re: [osg-users] Error with osgDB::readRefNodeFiles

Hi, Sorry, I found my mistake. :) I have to use osg::ref_ptr loadedModel = osgDB::readNodeFiles(arguments); //not the readRefNodeFiles. thanks all . ... Thank you! Cheers, Inna -- Read this topic online here:

[osg-users] Error with osgDB::readRefNodeFiles

Hi all , In my code , I have been using the osgDB::readRefNodefiles. When I do compile the code it throwing me an error saying : Error 2 error C2039: 'readRefNodeFiles' : is not a member of 'osgDB' Error 3 error C3861: 'readRefNodeFiles': identifier not found