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  • 0 posts edited
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  • 31 votes cast
Feb
15
comment Tutorial for Kinect 3D scanning over a wide area & export to LAS?
@PolyGeo Does this edit make the question sufficiently concise?
Feb
15
comment Tutorial for Kinect 3D scanning over a wide area & export to LAS?
Excellent point, however the reason I am inquiring is because I would like to compare the Kenict results to a Terrestrial lidar scan of the same area. But, from your note, I am guessing that a better comparison would be between a TLS scan and some other method such as photogrammetry?
Feb
15
comment Tutorial for Kinect 3D scanning over a wide area & export to LAS?
@PolyGeo, I edited my question to focus on my main issue -- surface scanning and tying scans from a Kinect.
Feb
15
comment Where can I get pointcloud data?
Do you have a good tutorial in mind that shows how to carry this project out?
Feb
15
comment Where can I get pointcloud data?
you get a higher compression ratio with ZLAS opposed to LAZ? Also, the tools for LAZ are free and public....Just saying.
Feb
10
comment Where can I get pointcloud data?
Why did you all go with ZLAS and not LAZ?
Feb
10
comment Where can I get pointcloud data?
@whuber, the site lists datasets that are available. It's not Martin's tools despite the name.
Jan
27
comment Selecting the minimum point in a polygon
thanks! You got it. I implemented a modification of the two methods you suggested. First, tried summary statistics as a tool and then added that into a model. I'll work on converting it to Python shortly.
May
6
comment CPUs to process lidar data using ArcGIS for Desktop?
@Aaron, thanks for the response. I need to filter county wide lidar datasets for ground points and then grid them. I really like LAStools, but even as a student I haven't been able to afford them for my research. As for FUSION, I haven't been able to find a good cookbook. Do you know of one?
Jul
13
comment popular solution for display both tiles and vector data in android map app
@giser, did you all ever create this app?
Jun
10
comment libLAS las2las scrubs ground point data on Ubuntu?
Andre, I have upvoted you because you did correctly answer the question. However, I have updated my question noting that the issue that I have is apparently due to lasmerge and not las2las. Do you happen to have any ideas what the issue with lasmerge might be?
Apr
25
comment Are there any alternatives to ArcScene?
@Jakub How did CityEngine seem?
Apr
20
comment Convert DEM to STL (3D Printer Format)
I am going to mark this as the best answer since it worked. Converting using Global Mapper was pretty dang easy. But, I wish there was a free/open source equivalent. Additionally, I was not able to print out the surface due to the printer being too small.
Apr
11
comment Help with Parameters for MCC-LiDAR
Okay, I will give that a shot once I figure out how to get the data in a usable format for Topo to Raster from LAS format. Previously, when I have tried to run the tool the Shape.Z Field (in the Multipoint data) has not been selectable. I suspect it has to do the the field format, but am uncertain how to translate it to a correct format.
Apr
10
comment Help with Parameters for MCC-LiDAR
I reran MCC-LiDAR using the values you suggested (1.5 & 0.07). After interpolating with an IDW, I ended up with a lower RMSE than I had in prior iterations. Thanks for your help!
Apr
4
comment Help with Parameters for MCC-LiDAR
Just emailed you. Thank you very much!
Apr
4
comment Processing full-waveform LiDAR?
Sorry for the terribly late reply. The file format seems to be .lwv format but is stored in WFD files. I am not 100% sure what that means.
Mar
19
comment ArcScene 10.1 Orthophoto Visualization Issue
Yes, Display Quality is at it's highest setting (past Normal). I did notice when I check "Display raster resolution in table of contents" that the Res is 1:6.6677, but it should be 1:1 (I would think) after going to Base Heights > Elevation from surfaces > Raster Resolution... and setting Cellsize X and Y to 1.
Sep
19
comment Processing full-waveform LiDAR?
Thank you for that information. I've done some reading regarding additional processing and noticed MATLAB quite a bit. Is there a particular extension/add-on you would suggest? The only one I have seen noted very much is Tiffs.
Jul
27
comment ArcGIS API JavaScript, Flex, and Silverlight updated comparision
Ah, yes on both accounts -- seems that was the point of it and yet it doesn't seem to be updated for quite some time.