CloudCompare forum

You can do this by opening the "Camera settings" dialog (either via the Display menu or via the small camera icon on the left toolbar). Inside the lower frame, under the word "pivot" there's a 'point picking' icon which will let you pick a point in the current 3D view. This point...

We know very well the PCL library. For instance, Luca Penasa is working on a PCL bridge for CloudCompare (as a plugin):
http://www.pcl-users.org/PCL-plugin-for ... 03983.html

I hope not! Otherwise it would be a bug (the octree is only used for distance computation). I looked closely at your article ( Movement detection of pit slopes using laser scanner point clouds , Gounaris et al). First I didn't want to be too hard on them ... but well, it's hard! (they don't even cit...

Sure don't hesitate to send me the article.

Hi Thomas, this shouldn't be too complicated and I kinda like this idea. This tool would not only be useful for geologists, but also for other people. Thanks to EDF support, CloudCompare should get several new features in the very near future (May/June 2012). If I have enough time I'll try to add su...

Indeed, the "register" tool is based on ICP (with an optional random points picking scheme at each iteration for big clouds, but this is visibly not the case for your example). In a general point of view, standard ICP works poorly on flat/smooth surfaces (not at all in fact). Depending on ...

Hi Luca, the DgmOctree structure is very poor for top-down traversal algorithms. By the way, this is why CloudCompare can't use LOD strategies to display big clouds faster. If you have a (truncated) cell code at level i, you just have to shift the code of 3 bits and add the subcell code (from 0 to 7...

You don't have access to the Console "inside" the CClib library. If i'm not mistaken, ccTimer is a qCC_db class so you shouldn't use it in CCLib either. You can only use them in the qCC project (MainWindow.cpp or the dialogs). For debug purpose you should use the system console (printf or ...

The Cloud/Cloud distance with a local (plane) model takes a very small amount of neighbors in order to be fast. I believe it's 6 for the moment but it may even be less. But we should definitely add a parameter in the GUI as this is rather sensitive. However this approach is very sensible to noise an...

Hi 1. Haussdorff distance as computed by CloudCompare is simply the distance from each point to its nearest point/triangle in the other entity.So in the general case, it is absolutely not a vertical distance, but in your case it could be equivalent to a vertical distance if and only if the plane is ...