Re: [gdal-dev] How to determine which creation options are supported by a driver?

2023-11-30 Thread Even Rouault via gdal-dev


Le 30/11/2023 à 21:19, Meyer, Jesse R. (GSFC-618.0)[SCIENCE SYSTEMS AND 
APPLICATIONS INC] via gdal-dev a écrit :


Hi,

I have gdal 3.8.1 installed via Brew which includes liblerc and zstd 
as part of their formulae, so I assumed I could use the creation 
options “COMPRESS=LERC_ZSTD” and “MAX_Z_ERROR=x” as documented on the 
GTIFF page when creating a new gtif image.


But when I do GDAL states:

“Warning 6: 'LERC_ZSTD' is an unexpected value for COMPRESS creation 
option of type string-select.


Warning 6: driver GTiff does not support creation option MAX_Z_ERROR”

"gdalinfo --format GTtiff" will report the options available in your 
GDAL build


So I am not sure if this is an issue with the driver itself or with 
the brew formula.  Please advise,


In the brew formula. In the libtiff one more exactly, as this capability 
comes from libtiff. Just checking 
https://github.com/Homebrew/homebrew-core/blob/b4698a581c0d752241353682fecd627d85ca6dd6/Formula/lib/libtiff.rb, 
it lacks a liblerc dependency.


You could try from Conda, since its libtiff includes lerc support (3.8.1 
hasn't yet landed there, but it should come soon)




Thanks,

Jesse


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Re: [gdal-dev] How to determine which creation options are supported by a driver?

2023-11-30 Thread Rahkonen Jukka via gdal-dev
Hi,

Run ”gdalinfo –format GTiff”.  For me it prints:

NONE
LZW
PACKBITS
JPEG
CCITTRLE
CCITTFAX3
CCITTFAX4
DEFLATE
ZSTD
  

So my GDAL build does not support LERC.

-Jukka Rahkonen-

Lähettäjä: gdal-dev  Puolesta Meyer, Jesse R. 
(GSFC-618.0)[SCIENCE SYSTEMS AND APPLICATIONS INC] via gdal-dev
Lähetetty: torstai 30. marraskuuta 2023 22.19
Vastaanottaja: Even Rouault via gdal-dev 
Aihe: [gdal-dev] How to determine which creation options are supported by a 
driver?

Hi,

I have gdal 3.8.1 installed via Brew which includes liblerc and zstd as part of 
their formulae, so I assumed I could use the creation options 
“COMPRESS=LERC_ZSTD” and “MAX_Z_ERROR=x” as documented on the GTIFF page when 
creating a new gtif image.

But when I do GDAL states:

“Warning 6: 'LERC_ZSTD' is an unexpected value for COMPRESS creation option of 
type string-select.
Warning 6: driver GTiff does not support creation option MAX_Z_ERROR”

So I am not sure if this is an issue with the driver itself or with the brew 
formula.  Please advise,

Thanks,
Jesse
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[gdal-dev] How to determine which creation options are supported by a driver?

2023-11-30 Thread Meyer, Jesse R. (GSFC-618.0)[SCIENCE SYSTEMS AND APPLICATIONS INC] via gdal-dev
Hi,

I have gdal 3.8.1 installed via Brew which includes liblerc and zstd as part of 
their formulae, so I assumed I could use the creation options 
“COMPRESS=LERC_ZSTD” and “MAX_Z_ERROR=x” as documented on the GTIFF page when 
creating a new gtif image.

But when I do GDAL states:

“Warning 6: 'LERC_ZSTD' is an unexpected value for COMPRESS creation option of 
type string-select.
Warning 6: driver GTiff does not support creation option MAX_Z_ERROR”

So I am not sure if this is an issue with the driver itself or with the brew 
formula.  Please advise,

Thanks,
Jesse
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