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Unable to convert scaled value to int32 #46

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wonder-sk opened this issue Jan 20, 2021 · 1 comment
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Unable to convert scaled value to int32 #46

wonder-sk opened this issue Jan 20, 2021 · 1 comment

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@wonder-sk
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Trying to load a file from Helsinki dataset:
https://kartta.hel.fi/helshares/Laserkeilausaineistot/Pintamalli/2017_LAZ/rgb_673496c.laz
(~72 MB)

Untwine fails with the following error:

writers.las: Unable to convert scaled value (2549659868) to int32 for dimension 'X' when writing LAS/LAZ file /home/martin/tmp/las/fi-helsinki/ept_rgb_673496c/ept-data/4-2-2-2.laz.

The source metadata say:

    "minx":     25496500,
    "maxx":     25497000,
    "offset_x": 25000000,
    "scale_x":  0.001,

Is this the same issue as #28 ?
@wonder-sk wonder-sk mentioned this issue Jan 20, 2021
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@abellgithub
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Fixed with 2a5970b

wonder-sk added a commit to wonder-sk/QGIS that referenced this issue Jan 27, 2021
@wonder-sk
[untwine] Fix precision issues when indexing
2d8431b 
Offset and scale of X/Y/Z dimensions were not written and
some datasets would simply fail to get indexed completely.
Other datasets may have had the data slightly misaligned
after indexing.

References:
hobuinc/untwine#28
hobuinc/untwine#46
@wonder-sk wonder-sk mentioned this issue Jan 27, 2021
Merged
nyalldawson pushed a commit to qgis/QGIS that referenced this issue Jan 28, 2021
@wonder-sk @nyalldawson
[untwine] Fix precision issues when indexing
70dd223 
Offset and scale of X/Y/Z dimensions were not written and
some datasets would simply fail to get indexed completely.
Other datasets may have had the data slightly misaligned
after indexing.

References:
hobuinc/untwine#28
hobuinc/untwine#46
@abellgithub abellgithub mentioned this issue Jun 3, 2021
Closed
@lezan lezan mentioned this issue Jul 17, 2021
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@wonder-sk @abellgithub