# 0_Template.h File Reference

## Classes
class | opentl::cvprocess::Grayscale
| Color to Grayscale filter. Derived class from GpuStdShaders. ATTENTION: This TEMPLATE filter works with a source texture of type GL_TEXTURE_RECTANGLE_ARB only! -> pay attention what kind of texture sampler type is used in the shader code. More...
struct | opentl::cvprocess::Grayscale::Grayscale::Param
## Namespaces
namespace | opentl
| *******************************

namespace | opentl::cvprocess