4
votes
3answers
449 views

Finding outliers with wrong Z values in LIDAR data

I have more than 2000 XYZ .txt files and I have to do QC: let's say I have file, which I converted to multipoint (or even singlepart feature). I have mean Z value for a file, but ... if most of the ...
1
vote
1answer
67 views

LASToMultiPoint_3d

Trying to use the arcgis python command LAStoMultipoint_3d as seen here. I'm running the code snippet against one of my LAS files. It creates a .shp, sbx, shp.xml, shx and dbf file. However, the ...
5
votes
1answer
2k views

Lidar - Automated building extraction (Improve Process)

I have the following process for automatically creating building outlines/footprints from Las files and was wondering if anyone can help improve it or has suggestions for other processes to use? ...
4
votes
2answers
593 views

comparing two TINs

i have the following two files: 1) LiDAR las file1 2) Let's give it a name LiDAR las file2, contains the same file1 data, where number of points randomly removed. So if file1 contains X number of ...
8
votes
2answers
1k views

How do I combine high resolution and generalized hillshade rasters to produce enhanced shaded relief?

I often add LiDAR data to a map along with a shaded relief. Most of the time i have to generalize the LiDAR dem depending on the scale of the map. Still, there is often too much detail and mountain ...
12
votes
6answers
811 views

What is the best way to visualize multiple large LIDAR tiles?

I want to load approximately 10 large LIDAR tiles for analysis. I have tried using ArcScene but it appears there is a limit on how much data ArcScene can handle at one time. Each tile is 65-90MB in ...
3
votes
4answers
1k views

What are Limits on ArcScene and LiDAR?

I am trying to load anywhere from 5 to 10 LIDAR TINS into ArcScene. I am using ArcGIS Desktop Evaluation (student) 9.3.1. I just built a new computer with a AMD Phenom II X6 1090T six core processor, ...