Questions tagged [lasd]

.lasd is a LAS dataset file developed by ESRI.

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Removing datapoints from LAS dataset using ArcMap?

I'm working with lasd data sets in ArcMap 10.5 and I'm trying to create an density raster from the ground points. How would I either remove all but the points classed as ground from the las data set ...
3
votes
1answer
266 views

Displaying LiDAR data with too many points in ArcMap?

I have imported LiDAR data into ArcMap in the shape of a Las DataSet with twelve .las files (contains over 100 million data points). I believe the file itself is working properly. However, no points ...
5
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2answers
291 views

Using iterator for lasd files in ArcGIS ModelBuilder?

I am trying to use model builder to create a number of DEMs from LiDAR point clouds. To do so, I need to filter the point clouds for ground points only and then convert the points to raster. In the ...
2
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1answer
149 views

Converting .las files to LAS datasets using ModelBuilder iterator?

I have 1500 individual LAS files and I need to move them to separate LAS datasets (so 1500 LAS datasets). I've used iterator (iterate files) in ModelBuilder and it creates 1500 individual LAS ...
2
votes
1answer
118 views

Enabling Surface Constraints on a LASD in ModelBuilder?

I'm working on a LAS processing model. I have been able to: create a LASD from a folder of LAS files. create a mask from the LASD. apply the mask (called Surface Constraints) to the LASD file. ...
1
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2answers
47 views

Losing DEM (from LAS Dataset) data coverage when calculated in higher resolution?

I am trying to calculate DEMs for different resolutions (15 x 15, 7.5 x 7.5 and 3.75 x 3.75 m) using LAS Dataset To Raster tool in ArcGIS 10.5. Unfortunately, no matter which settings I use for ...
1
vote
1answer
692 views

LAS dataset to raster: 'no spatial reference exists'?

I am trying to make a DEM from my LAS dataset and I am using LAS Dataset to Raster tool in Conversion Tools. But I am getting the following error: No Spatial Reference exists. The table was ...
1
vote
0answers
146 views

Converting vertical coordinate system of LAS dataset? [duplicate]

I want to overlap both LiDAR data and SRTM data but they use different vertical coordinate systems. I am using ArcMap 10.2 and I firstly created a LAS dataset and original vertical coordinate system ...
2
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0answers
57 views

Debugging arcpy LasDatasetToRaster_conversion error 999999? [closed]

I have 40+ LAS Datasets (.lasd) that I am attempting to convert to rasters. Here is my code: import arcpy import os arcpy.env.workspace =r'F:\Shorelas' arcpy.env.overwriteOutput = True env = r'F:\...
3
votes
1answer
737 views

Specifying LAS dataset filters in ArcGIS ModelBuilder?

I'm trying to create a tool in the ArcMap ModelBuilder to extract a canopy height raster from LiDAR data. I need to create rasters for ground elevation and first return. I've got my LAS dataset, and ...
2
votes
3answers
4k views

Converting a .lasd (Lidar) coordinate system?

How can one change a coordinate system for a .lasd (Lidar) dataset? The file is currently in UTM_Zone_15N and I am trying to convert it to IL_East.