SPHERICAL_VOXEL_COLOR 19 include/utility/constants.hpp const osg::Vec4f SPHERICAL_VOXEL_COLOR = osg::Vec4f(1.0f, 0.0f, 0.0f, 0.9f); //red SPHERICAL_VOXEL_COLOR 63 src/core/Voxel.cpp , SPHERICAL_VOXEL_COLOR