create a new profile tool in a similar fashion to the new measurement tools
implemented multiple clip boxes, for profile as well as volume
adding nice background; refactoring volume tool
added some tool icons
new background
added procedural background
added different clipping modes; replaced buttons with icons
added high quality splatting
very experimental! improving different quality modes
profile tool interface is now similar to distance tool
changed HIGHLIGHT_INSIDE to render inside red instead of outside gray
updating reader to potree format 1.4; added icons; updated viewer
removed old vol_total pointcloud data
fixed vol_total point cloud data
improvements
updated docs and readme
added pointcloud.getPointsInProfile(); added ux for profile width
updated build
updated examples
remove unecessary file