Since this is an old tool and it fails to deal with large files, I made a completely new version from scratch a while ago, using a completely different renderin

Since this is an old tool and it fails to deal with large files, I made a completely new version from scratch a while ago, using a completely different rendering approach that's more like how you'd render a volumetric data set like an MRI scan. It loads the file and processes it into a 256x256x256 volumetric data set, which is then rendered using shaders. As a result, the file size doesn't matter for rendering, only the loading time depends on the file size. Unlike the original Veles, it also doesn't need any subsampling for huge files, but you need a powerful enough graphics card. The source code is on github and unlike the original Veles, it doesn't have countless dependencies and build problems on modern systems: https://github.com/hackyourlife/veles https://github.com/hackyourlife/veles