question about tutorial: export Raster Layers to meshlab

Posted by TouchDeeper on
URL: http://official-rtab-map-forum.206.s1.nabble.com/question-about-tutorial-export-Raster-Layers-to-meshlab-tp5633.html

Hi,
I import the point cloud and process the point cloud according to the tutorial https://github.com/introlab/rtabmap/wiki/Export-Raster-Layers-to-MeshLab.
In the step10 of the section of imporit in Meshlab, I encounter some problem, My per face option is gray and can't be checked.