Is there an alternative to the ArcGIS Raster To Multipoint tool for Macs? The VIP thinning method is particularly of use. A comparative point cloud thinning/simplification tool to this would just as useful.
The objective is digital elevation model (DEM) (heightmap) to triangulated irregular network (TIN) (mesh) conversion on OSX.
Converting the DEM to a one-to-one (pixel to point) point cloud, to a TIN, and then using a mesh decimation algorithm is not a good option because of the sheer scale of the resulting point cloud and the time it would take to process it.