Changing pitch and/or yaw.

[Jaime del Pozo]

Hi. I just started to investigate a little with the ".las" files and given some tests that I am doing with another program, I would like to know if it is possible to change the pitch, yaw and roll of a .las file.

I have read that with the las2las program it is possible to change the variables x, y and z.

What I would like to do, if possible, is to be able to superimpose 2 images from a ".las" file but the second one with an angle and position different from the original one. 

(With the other program I can open several .las files at the same time, example below, used gimp to show what i want). 

For this, I must change the yaw, the pitch and/or the roll of the image.

I have tried the command "las2las -rotate_xy <pitch> 0 0 -i /tmp/pitched.las -o /tmp/switched.las". It partly works for me since I can change the orientation of the image, but the copy of the original appears too far away. (Example below)

Could someone tell me if it is possible to do it?

Thanks in advance.

[Martin Isenburg]

Hello Jaime,

that is not really something that is supported in LAStools. For doing it manually I suggest to look at CloudCompare or to really do it well use a proper alignment software such as StripAlign.

Martin

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