CloudCompare forum

Basically: (meanX+meanY)*meanZ*area-of-cylinder*# of valid points and that will give me a signed total change. But there's no way to distinguish between positive change (deposition) and negative change (erosion) correct? This is what I'm really after. My output maps show some areas with erosion and ...

Yeah... I got the conceptual "how to" for calculating the volumes. I was hoping there was a way to do it outside of MATLAB as I don't know it, and my point clouds are in the 300-500 million points range, meaning too large for excel.
Thanks though

This method for volume calculation makes sense to me except for one thing. How do you know or where do you find the number of points of each value (what would be the height for the cylinder volume calculation)? Is there some box I'm missing that saves all of the signed differences in a file? Thanks....

Hey, I'm wondering how I find the number of points in each class if I want to calculate the volume of change using the M3C2 plugin? I've read the discussion on overlapping cylinders and understand how to do the calculation (basically, volume of a cylinder for all negative and positive distances) but...

The saving issue struck me as weird as well. I tried ctrl+S and everything else I could think of, and did have the cloud I was interested in selected. I ended up having to close out of it (which was very sad). I'll try sending you an email for a link to the beta version as well. Hopefully that will ...

I'm using CC to compare surface areas to create DEM differences (DoDs) for pretty large areas. Around 100,000,000 points per surface. I'm having really long processing times (~3 days) despite my 64bit machine running 32gb of ram. Is this because of how large the point clouds are? The other issue I j...