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Author Topic: rgb values for xyz export seem to be out of range  (Read 1052 times)

abe

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rgb values for xyz export seem to be out of range
« on: June 08, 2018, 04:50:18 AM »
I'm trying to export my dense pointcloud in the xyz format using PhotoScan Pro. I go to file -> export -> export points, leave the three fields for shift at 0, select the "point colors" checkbox and not the "point normals" checkbox, then press save.

Here is a sample line from the text file that exports:

58.347009 -36.849740 -107.591264 7294 1888 3012

The first three columns are clearly xyz data, and the last three should be rgb - but they are neither in the 0-1 range nor the 0-255 range. Am I doing something wrong?


Alexey Pasumansky

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Re: rgb values for xyz export seem to be out of range
« Reply #1 on: June 09, 2018, 12:10:18 AM »
Hello abe,

What is the format of the input data that you are using?
Best regards,
Alexey Pasumansky,
Agisoft LLC

abe

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Re: rgb values for xyz export seem to be out of range
« Reply #2 on: June 09, 2018, 07:45:26 PM »
Hi Alexey,

To the extent that I understand your question - I created my dense point cloud from DNG photographs. Is that what you're asking?

Alexey Pasumansky

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Re: rgb values for xyz export seem to be out of range
« Reply #3 on: June 09, 2018, 08:12:24 PM »
Hello abe,

What is the color depth range for the images used? If they are in DNG format, then the values are in 16-bit range?
Best regards,
Alexey Pasumansky,
Agisoft LLC