I can usually get the extraction tools to work, but I have a large dataset loaded now, and it views quite well, but when I try to use the extraction tools and window an area, and the points are selected in sections and the extraction doesn't work.
I have attached a screenshot. This only seems to happen on really large (100 million plus) datasets.
The red in the screenshot is what is actually selected with the tools.
When large data are loaded, AutoCAD only shows 1.5 million points. It means the density and quality of the original point cloud data are reduced and cause a noisy data. I think the failure of extraction is caused by the noise and lack of data after point reduction.
I realize that it only views 1.5 million points, but shouldn't that be specific to your view?? I am using the crop tools in the lab add-on, so perhaps it is loading 1.5 million of the total dataset, and not 1.5 million of the cropped??
It should only be loading the cropped dataset. Am I right in this thinking??
For the plug-in, only the viewed points are used for shape extraction. This is a limitation of the current plug-in.
The cropped points cannot reach 1.5 million. 1.5million includes the cropped and hiden parts. Actually, even after the crop, the whole data set is loaded. Some points are only temporarily hiden for the ease of view, but they are still included in the 1.5million.
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