Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with lidar
Search options answers only
not deleted
user 276
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.
5
votes
How to distinguish buildings from vegetation in LIDAR data?
There are several online videos showing how to use Image Analysis with Lidar data with eCognition.
Image Classification methods are key to extracting the correct data. … Building Extraction
http://www.ecognition.com/support/media-library/videos/obia-lidar-technical-demo-pt24 …
- 50.2k
21
votes
Working with LiDAR data using other than Esri software?
Commercial:
FME Desktop
" ability to take a point cloud that has no color information on it, and overlay it into an orthophoto to produce a colorized point cloud"
http://blog.safe.com/2012/01/beating-lidar-into-submission-with-fme … http://www.cs.unc.edu/~isenburg/lastools/
(Includes ArcToolBox option)
Python Lidar Tools
"FullAnalyze is a software for handling, visualizing and processing lidar data (3D point clouds and waveforms …
6
votes
How to display dynamic raster (lidar) data on a Web map?
There is a very good 'Visualize Lidar in Google Earth' page here
http://www.cs.unc.edu/~isenburg/googleearth/
(Martin Isenburg & Jonathan Shewchuk)
key point is:
"we create the 10 by 8 tiling of 10 … feet contours gilmer.kmz (c,d) in only 20 minutes using less than 100 MB of main memory and no temporary disk space from 357 LAS files (provided by West Virginia View) that contain a total 156 million LIDAR …
- 50.2k
9
votes
Accepted
Ways to visualize multiple large LiDAR tiles?
Your computer has plenty of spec:
Develop a full or partial disk cache whenever possible.
Disk caches allow data to be pre-rendered for optimum ArcGlobe/ArcScene display performance.
Store ArcSDE/Arc …
- 50.2k
2
votes
Accepted
Maximum number of returns per laser pulse in airborne LiDAR?
Discrete return lidar can record multiple measurements within a single
laser pulse. … For example,
data collected by TerraPoint® for the Puget Sound Lidar Consortium
collected up to four returns per pulse. …
- 50.2k
2
votes
Adding LAS files into AutoCAD map 3D with Point Cloud Manager tool
Using AutoCAD Map 3D 2015
You need to create an index file for the .las file with coordinate system set.
You might need to switch from 2D to 3D mode to have the .las rendered
This styled using the el …
- 50.2k
2
votes
Problem with CRS metadata for UK Environment Agency LiDAR DSM tiles?
I don't get your issue in QGIS 3.6
Here is the 25CM DSM in the correct location (SW Reading)
Using OSGB EPGS 27700
http://spatialreference.org/ref/epsg/osgb-1936-british-national-grid/html/
- 50.2k