LAStools - efficient tools for LiDAR processing

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rapidlasso.com - fast tools for fun with LiDARs

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Basem Nouh, Martin Isenburg3

Aug 28

Point density visulation

Hallo Martin, I received an image with a gradation of colors, but I have no way of knowing which

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Point density visulation

Hallo Martin, I received an image with a gradation of colors, but I have no way of knowing which

Aug 28

Paul Manley, Martin Isenburg3

Aug 27

Quotation marks in las2las

FYI it is backslash \ Regards, Paul Manley On Fri, Aug 27, 2021 at 1:04 PM Paul Manley <manleypv@

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Quotation marks in las2las

FYI it is backslash \ Regards, Paul Manley On Fri, Aug 27, 2021 at 1:04 PM Paul Manley <manleypv@

Aug 27

Aug 23

Hello, Am I the only one getting this message using las2dem after applying a lasthin: When this

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Hello, Am I the only one getting this message using las2dem after applying a lasthin: When this

Aug 23

Aug 23

LAStools can't find pcs.csv

I'm trying to convert a LAS file into a dem file but the generated file comes out empty ( 0 ko).

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LAStools can't find pcs.csv

I'm trying to convert a LAS file into a dem file but the generated file comes out empty ( 0 ko).

Aug 23

Aug 16

Using LASTools in an Azure/Windows Virtual Desktop environment

Hey all, We're looking at Azure/Windows Virtual Desktop and moving away from giving people

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Using LASTools in an Azure/Windows Virtual Desktop environment

Hey all, We're looking at Azure/Windows Virtual Desktop and moving away from giving people

Aug 16

Aug 13

Exclude vertical walls from lasground output.

Hi, community, I am looking for a good setting to exclude vertical and semi-vertical walls from the

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Exclude vertical walls from lasground output.

Hi, community, I am looking for a good setting to exclude vertical and semi-vertical walls from the

Aug 13

George S. Mercier, Martin Isenburg3

Aug 10

las2las transform elevation data from ellipsoid geoid 18 ortho

There are two tools in LAStools that can go from ellipsoidal to orthometric elevations: lasheight and

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las2las transform elevation data from ellipsoid geoid 18 ortho

There are two tools in LAStools that can go from ellipsoidal to orthometric elevations: lasheight and

Aug 10

paul.schell.pls, Martin Isenburg2

Aug 4

file Format of Cyclone .pts file

Hi, 92258462 x y z intensity R G B surface normal / lighting vector xyz 6835075.195 1829942.358

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file Format of Cyclone .pts file

Hi, 92258462 x y z intensity R G B surface normal / lighting vector xyz 6835075.195 1829942.358

Aug 4

Paul Manley, Martin Isenburg2

Aug 4

Edge of Flight Line bit

Hello, that is not implemented but you could do it in two steps: las2las -i in.laz -

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Edge of Flight Line bit

Hello, that is not implemented but you could do it in two steps: las2las -i in.laz -

Aug 4

Maros Hana, Martin Isenburg2

Jul 30

Las2Las - write into header WKT info

Hello, in the next release there will be a new option for this. You can try it here already https://

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Las2Las - write into header WKT info

Hello, in the next release there will be a new option for this. You can try it here already https://

Jul 30

Michael Perdue, Martin Isenburg2

Jul 29

Setting Geographic Coordinate Systems in las files

Hello, for historic reasons only projected coordinate systems use the EPSG codes ... except for

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Setting Geographic Coordinate Systems in las files

Hello, for historic reasons only projected coordinate systems use the EPSG codes ... except for

Jul 29

Glen Franklin, Martin Isenburg2

Jul 29

Las2Dem Understanding and Issues

Hello, The usual way to create DEM from LiDAR uses a workflow with "buffered tiles". This

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Las2Dem Understanding and Issues

Hello, The usual way to create DEM from LiDAR uses a workflow with "buffered tiles". This

Jul 29

mauro...@gmail.com

Jul 29

cutting tiles from very big extent

Hello, I'm trying to cut tiles of 50 by50m from a very big extent (41000 km^2). I indexed all the

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cutting tiles from very big extent

Hello, I'm trying to cut tiles of 50 by50m from a very big extent (41000 km^2). I indexed all the

Jul 29

Jul 27

Update: I have run my statistical methods by my professor, and they approved. I also tried using

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Update: I have run my statistical methods by my professor, and they approved. I also tried using

Jul 27

jmoore...@gmail.com, Martin Isenburg2

Jul 26

Can you set/change the project ID GUID?

Hello, The lasinfo tool can do that 'in-place' via option -set_GUID F794F8A4-A23E-421E-A134-

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Can you set/change the project ID GUID?

Hello, The lasinfo tool can do that 'in-place' via option -set_GUID F794F8A4-A23E-421E-A134-

Jul 26

user, Martin Isenburg2

Jul 26

laspublish results in black screen

Hello, simply opening the resulting HTML page from the local file system will not work. The HTML page

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laspublish results in black screen

Hello, simply opening the resulting HTML page from the local file system will not work. The HTML page

Jul 26

James Tobler, … Andrew Watson5

Jul 21

Request Help Set Point Source ID Batch

Awesome too easy. Thanks On Wednesday, July 21, 2021 at 4:38:05 AM UTC+12 martin....@gmail.com wrote:

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Request Help Set Point Source ID Batch

Awesome too easy. Thanks On Wednesday, July 21, 2021 at 4:38:05 AM UTC+12 martin....@gmail.com wrote:

Jul 21

Brent Edwards, … Martin Isenburg9

Jul 21

Capture lasview output as an image (screen capture)

Just download the latest version of LAStools. The functionality to store screen shots to file as it

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Capture lasview output as an image (screen capture)

Just download the latest version of LAStools. The functionality to store screen shots to file as it

Jul 21

Gregor Schmucki, Martin Isenburg3

Jul 16

lasmerge with large tiled file

many thanks for your fast answer! I implemented the task now in a python script, which works out

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lasmerge with large tiled file

many thanks for your fast answer! I implemented the task now in a python script, which works out

Jul 16

Möst, Karin (LDBV), Martin Isenburg4

Jul 16

lasheight skipped files with ground points

How about we see this as "a comfortable way to detect tiles with only ground points" that

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lasheight skipped files with ground points

How about we see this as "a comfortable way to detect tiles with only ground points" that

Jul 16

Xavier Nogueira, Martin Isenburg2

Jul 15

Working with different units (LASground)?

Hello Xavier, If lasground and lasground_new know that the data is in feet they will adjust the

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Working with different units (LASground)?

Hello Xavier, If lasground and lasground_new know that the data is in feet they will adjust the

Jul 15

André Kunert, Martin Isenburg2

Jul 15

Generating DEM only within a provided polygon

Hello André, if you clip the LiDAR points with a shape file such that only the building footprints

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Generating DEM only within a provided polygon

Hello André, if you clip the LiDAR points with a shape file such that only the building footprints

Jul 15

Ola J., Martin Isenburg2

Jul 12

Reduce points in laz-file

Hello, for this task I recommend lasthin with the '-central' option and a ground point filter

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Reduce points in laz-file

Hello, for this task I recommend lasthin with the '-central' option and a ground point filter

Jul 12

Theo Hartsook, … Martin Isenburg3

Jul 11

lastile best practices?

Hello, The '-reversible' switch in lastile will give each point of every tile an index that

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lastile best practices?

Hello, The '-reversible' switch in lastile will give each point of every tile an index that

Jul 11

Rose Phillips, … Martin Isenburg4

Jul 11

Extended Public Header Block Records + Point Data Records in LAS 1.4 PDF # 6-10

Hello, https://rapidlasso.com/2016/01/10/create-proper-las-1-4-files-with-lastools-for-free/ The

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Extended Public Header Block Records + Point Data Records in LAS 1.4 PDF # 6-10

Hello, https://rapidlasso.com/2016/01/10/create-proper-las-1-4-files-with-lastools-for-free/ The

Jul 11

Itzstein, Gregory, … Martin Isenburg5

Jul 11

GDA2020 CRS Support

Hello, using lasdatum and the right NTv2 grid at hand you can now do the conversion between different

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GDA2020 CRS Support

Hello, using lasdatum and the right NTv2 grid at hand you can now do the conversion between different

Jul 11

Barbara Hofmann, … Martin Isenburg7

Jul 11

lassort -gps_time crash

Hello, Thanks for this feedback. What happens in the presence of excessive duplicate points is that

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lassort -gps_time crash

Hello, Thanks for this feedback. What happens in the presence of excessive duplicate points is that

Jul 11

Susana Gonzalez, Martin Isenburg2

Jul 11

Occupancy metric - voxel based metric

Hello Susana, Sorry for the late reply but I remember reading this message a long while ago and not

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Occupancy metric - voxel based metric

Hello Susana, Sorry for the late reply but I remember reading this message a long while ago and not

Jul 11

Ryan Comeaux, … Martin Isenburg7

Jul 10

Will lascopy transfer point flags with classification?

Hello Ryan. in the next version of LAStools (to be released in a few days) you will be able to select

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Will lascopy transfer point flags with classification?

Hello Ryan. in the next version of LAStools (to be released in a few days) you will be able to select

Jul 10

Martin Isenburg

Jul 10

Re: [LAStools] [LAScanopy] Clip edge cells if lidar only constitutes a fraction of them

Hello Idan, If you want to run lascanopy (or lasgrid) with "unusual plot (or step) sizes"

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Re: [LAStools] [LAScanopy] Clip edge cells if lidar only constitutes a fraction of them

Hello Idan, If you want to run lascanopy (or lasgrid) with "unusual plot (or step) sizes"

Jul 10

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