FGFS-4.1/OpenSceneGraph
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Added docs for max size commandline params.

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This commit is contained in:
Robert Osfield 2004-09-06 14:58:29 +00:00
parent a36b10ac24
commit add06bab8d
1 changed files with 28 additions and 16 deletions
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44
examples/osgvolume/osgvolume.cpp
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@ -403,8 +403,8 @@ osg::Image* createNormalMapTexture(osg::Image* image_3d)
return 0;
}
osg::ref_ptr<osg::Image> bumpmap_3d = new osg::Image;
bumpmap_3d->allocateImage(image_3d->s(),image_3d->t(),image_3d->r(),
osg::ref_ptr<osg::Image> normalmap_3d = new osg::Image;
normalmap_3d->allocateImage(image_3d->s(),image_3d->t(),image_3d->r(),
GL_RGBA,GL_UNSIGNED_BYTE);
@ -420,7 +420,7 @@ osg::Image* createNormalMapTexture(osg::Image* image_3d)
unsigned char* in = image_3d->data(1,t,r+1)+alphaOffset;
unsigned char* out = image_3d->data(1,t,r-1)+alphaOffset;
unsigned char* destination = (unsigned char*) bumpmap_3d->data(1,t,r);
unsigned char* destination = (unsigned char*) normalmap_3d->data(1,t,r);
for(int s=1;s<image_3d->s()-1;++s)
{
@ -459,7 +459,7 @@ osg::Image* createNormalMapTexture(osg::Image* image_3d)
}
}
return bumpmap_3d.release();
return normalmap_3d.release();
}
@ -507,12 +507,12 @@ osg::Node* createCube(float size,float alpha, unsigned int numSlices, float slic
return billboard;
}
osg::Node* createModel(osg::ref_ptr<osg::Image>& image_3d, osg::ref_ptr<osg::Image>& bumpmap_3d,
osg::Node* createModel(osg::ref_ptr<osg::Image>& image_3d, osg::ref_ptr<osg::Image>& normalmap_3d,
float xSize, float ySize, float zSize,
float xMultiplier, float yMultiplier, float zMultiplier,
unsigned int numSlices=500, float sliceEnd=1.0f, float alphaFuncValue=0.02f)
{
bool two_pass = bumpmap_3d.valid() && (image_3d->getPixelFormat()==GL_RGB || image_3d->getPixelFormat()==GL_RGBA);
bool two_pass = normalmap_3d.valid() && (image_3d->getPixelFormat()==GL_RGB || image_3d->getPixelFormat()==GL_RGBA);
osg::Group* group = new osg::Group;
@ -592,7 +592,7 @@ osg::Node* createModel(osg::ref_ptr<osg::Image>& image_3d, osg::ref_ptr<osg::Ima
osg::Vec3 lightDirection(1.0f,-1.0f,1.0f);
lightDirection.normalize();
if (bumpmap_3d.valid())
if (normalmap_3d.valid())
{
if (two_pass)
{
@ -604,7 +604,7 @@ osg::Node* createModel(osg::ref_ptr<osg::Image>& image_3d, osg::ref_ptr<osg::Ima
bump_texture3D->setWrap(osg::Texture3D::WRAP_R,osg::Texture3D::CLAMP);
bump_texture3D->setWrap(osg::Texture3D::WRAP_S,osg::Texture3D::CLAMP);
bump_texture3D->setWrap(osg::Texture3D::WRAP_T,osg::Texture3D::CLAMP);
bump_texture3D->setImage(bumpmap_3d.get());
bump_texture3D->setImage(normalmap_3d.get());
stateset->setTextureAttributeAndModes(0,bump_texture3D,osg::StateAttribute::ON);
@ -656,14 +656,14 @@ osg::Node* createModel(osg::ref_ptr<osg::Image>& image_3d, osg::ref_ptr<osg::Ima
}
else
{
osg::ref_ptr<osg::Image> bumpmap_3d = createNormalMapTexture(image_3d.get());
osg::ref_ptr<osg::Image> normalmap_3d = createNormalMapTexture(image_3d.get());
osg::Texture3D* bump_texture3D = new osg::Texture3D;
bump_texture3D->setFilter(osg::Texture3D::MIN_FILTER,osg::Texture3D::LINEAR);
bump_texture3D->setFilter(osg::Texture3D::MAG_FILTER,osg::Texture3D::LINEAR);
bump_texture3D->setWrap(osg::Texture3D::WRAP_R,osg::Texture3D::CLAMP);
bump_texture3D->setWrap(osg::Texture3D::WRAP_S,osg::Texture3D::CLAMP);
bump_texture3D->setWrap(osg::Texture3D::WRAP_T,osg::Texture3D::CLAMP);
bump_texture3D->setImage(bumpmap_3d.get());
bump_texture3D->setImage(normalmap_3d.get());
stateset->setTextureAttributeAndModes(0,bump_texture3D,osg::StateAttribute::ON);
@ -688,7 +688,7 @@ osg::Node* createModel(osg::ref_ptr<osg::Image>& image_3d, osg::ref_ptr<osg::Ima
stateset->setTextureMode(0,GL_TEXTURE_GEN_T,osg::StateAttribute::ON);
stateset->setTextureMode(0,GL_TEXTURE_GEN_R,osg::StateAttribute::ON);
image_3d = bumpmap_3d;
image_3d = normalmap_3d;
}
}
else
@ -743,7 +743,10 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->addCommandLineOption("--yMultiplier","Tex coord y mulitplier.");
arguments.getApplicationUsage()->addCommandLineOption("--zMultiplier","Tex coord z mulitplier.");
arguments.getApplicationUsage()->addCommandLineOption("--clip","clip volume as a ratio, 0.0 clip all, 1.0 clip none.");
arguments.getApplicationUsage()->addCommandLineOption("--maxTextureSize","Set the texture maximum resolution in the s,t,r (x,y,z) dimensions.");
arguments.getApplicationUsage()->addCommandLineOption("--s_maxTextureSize","Set the texture maximum resolution in the s (x) dimension.");
arguments.getApplicationUsage()->addCommandLineOption("--t_maxTextureSize","Set the texture maximum resolution in the t (y) dimension.");
arguments.getApplicationUsage()->addCommandLineOption("--r_maxTextureSize","Set the texture maximum resolution in the r (z) dimension.");
// construct the viewer.
osgProducer::Viewer viewer(arguments);
@ -848,10 +851,10 @@ int main( int argc, char **argv )
if (!image_3d) return 0;
osg::ref_ptr<osg::Image> bumpmap_3d = createNormalMap ? createNormalMapTexture(image_3d.get()) : 0;
osg::ref_ptr<osg::Image> normalmap_3d = createNormalMap ? createNormalMapTexture(image_3d.get()) : 0;
// create a model from the images.
osg::Node* rootNode = createModel(image_3d, bumpmap_3d,
osg::Node* rootNode = createModel(image_3d, normalmap_3d,
xSize, ySize, zSize,
xMultiplier, yMultiplier, zMultiplier,
numSlices, sliceEnd, alphaFunc);
@ -862,8 +865,17 @@ int main( int argc, char **argv )
std::string name_no_ext = osgDB::getNameLessExtension(outputFile);
if (ext=="osg")
{
image_3d->setFileName(name_no_ext + ".dds");
osgDB::writeImageFile(*image_3d, image_3d->getFileName());
if (image_3d.valid())
{
image_3d->setFileName(name_no_ext + ".dds");
osgDB::writeImageFile(*image_3d, image_3d->getFileName());
}
if (normalmap_3d.valid())
{
normalmap_3d->setFileName(name_no_ext + "_normalmap.dds");
osgDB::writeImageFile(*image_3d, normalmap_3d->getFileName());
}
osgDB::writeNodeFile(*rootNode, outputFile);
}
else if (ext=="ive")