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Results tagged with lidar
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user 5636
LIDAR (Light Detection and Ranging or Laser Imaging, Detection and Ranging) is an active optical remote sensing technology that measures properties of scattered light to find range and/or other information of a distant target.
8
votes
2
answers
515
views
Aerial LiDAR: What is an acceptable resolution?
I am in the process of initiating a project involving laser scanning. The area to be scanned i s approximately 5000 km². We are initially going to use the data to create a solar potential application, …
- 10.3k
4
votes
1
answer
390
views
Is the ground level cross section of a normalised lidar dataset flat? [duplicate]
If I normalise a lidar dataset I am (according to my thinking) simply subtracting the first return heights from the ground heights. …
- 10.3k
27
votes
12
answers
30k
views
Working with LiDAR data using other than Esri software?
I will be working with LiDAR data soon and I am wondering what the alternatives to using Esri software to do this are, including open source solutions? …
9
votes
1
answer
905
views
Explaining laser scanning distortions on water surfaces?
I have received tif Laserscan images interpolated from Ascii data. I did not process the data so cannot say which processes or tools were used to interpolate the data. There are strange distortions on …
- 10.3k
0
votes
1
answer
130
views
Visualising LiDAR data in 3D as ArcGIS Service in browser with ArcGIS Server?
I have lidar data which I would like to present over the intranet in 3D. I have arcgis server 10.3.1 with the image extention. I am however not sure if such a service is available. …
- 10.3k
-1
votes
1
answer
584
views
Seeking browser viewer for las data? [duplicate]
I am currently preparing lots of las files for analysis and am wondering about the easiest way to share the results on my intranet.
Are there any cool web application for displaying and navigating w …
- 10.3k
2
votes
1
answer
1k
views
How to manipulate elevation colour ramp in Potree?
I would like to render bare earth LiDAR data with a colour ramp using natural colors instead of vibrant blues to yellow to red.
Does anyone know how to manipulate Potree to enable this? …
- 10.3k
0
votes
1
answer
3k
views
Displaying LiDAR data with RGB values in ArcGIS Desktop?
I have been able to display LiDAR data with RGB values out of aerial photos with SAFE FME and also POTREE.
Is there any way to do this with ArcGIS 10.3? …
- 10.3k
0
votes
1
answer
407
views
Which type of point cloud is more accurate: from airborne LiDAR or aerial photos?
I have been offered two types of point cloud for my 3D Project. The data will be used by the environmental agency in various projects e.g. flood-risk analysis, dyke conservation, and nature conservati …
- 10.3k
1
vote
1
answer
221
views
Displaying pointcloud symbolized with RGB values in ArcMap?
I know that I can display a LAS dataset in ArcScene with RGB Symbology, but is there a way of doing this in the 3D View window in ArcMap? The LAS Dataset toolbar only has symbology for elevation, clas …
- 10.3k
1
vote
1
answer
2k
views
Is there any documentation on how to change the user interface of Potree?
I have created LiDAR portals using the LAStools laspublish tool to create Potree sites, but cannot see how I could adapt the GUI. …
- 10.3k
3
votes
3
answers
3k
views
Can ArcGIS Desktop create LAS (or lasd) files from ASCII data?
I have many ASCII files containing LiDAR xyz values. In order to create an ArcGIS LASD file, I need to convert these ASCII files into las files. …
- 10.3k
6
votes
2
answers
2k
views
Extracting RGB values from aerial photo and assigning to LAS file with FME?
I need to extract the RGB Values from imagery and assign to a .las file in order to display 3d landscape with "real" colours. I have an unlicenced LAStools, FME 2017 and ArcGIS 10.3.1 at hand.
I hav …
- 10.3k
2
votes
0
answers
158
views
Why does Lidar to Raster tool in ArcGIS create shifted raster cells? [closed]
The ArcGIS Raster cells are shifted and do not center on the point data from the lidar. … is the lidar point. …
- 10.3k
12
votes
8
answers
12k
views
Editing LiDAR point cloud to remove noise/outliers present below and above ground?
I have "dirty" LiDAR data containing first and last returns and also inevitably errors under and over the surface level. (screenshot)
I have SAGA, QGIS, ESRI and FME at hand, but no real method. …
- 10.3k