Questions tagged [voxel]

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36 views

Using lidR to count number of pulse returns at different intervals?

I am trying to get the number of pulse at different height interval. I have used the lidR package to do this before with the code below but it seems that recent update in the package breaks my code. ...
0
votes
0answers
16 views

GRASS GIS - V.VOL.RST avoid segmentation (paneling)

In order to reduce the segmentation effect where the interpolation appears to have different square regions, is this due to segment that are too small (segmax?). Is the solution to avoid this to ...
0
votes
0answers
7 views

GRASS GIS - 3D raster, make voxels above DEM NULL (or remove them)

I am currently using r3.out.vtk to export a 3D raster to view Paraview (several million cells). With r3.out.vtk, you can create a 3D raster with a top and bottom, which is fine in itself. However, if ...
0
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0answers
41 views

Interpolate 3D raster with Anisotropy

I am building a 3D geological model for soil deposits. I have two approaches to build a 3D raster. My dataset is about 300k points of bh information with texture and permeability at every meter ...
1
vote
0answers
83 views

Optimal Voxel Database Schema in PostGIS

I have a database of point data in PostGIS that I'd like to work with as voxel data. For each voxel, the value would be the number of particles within its volume. Let's say for the sake of argument ...