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Verbosity of PROJ_DEBUG ON #7325

Description

@pelord

I have Mapserver 7.6.2 compiled with proj 7.2.1 and gdal version (?). Sorry.

I have solved an PROJ issue on my current server. I have modified the PROJ_DATA (PROJ_LIB) sqlite database to handle properly my local projection, including a Canadian NTv2 grid transformation.

My ...proj/bin/projinfo, on my server seem to use the right Canadian nadgrid file (ca_nrc_NA83SCRS.tif).

Here my question, how to debug PROJ, through Mapserver will a high level of verbose?

Here my mapfile

    CONFIG "CPL_DEBUG" "ON"
    CONFIG "PROJ_DEBUG" "ON" 
    CONFIG "CPL_CURL_VERBOSE" "ON"
    CONFIG "CPL_TIMESTAMP" "ON"
    CONFIG "MS_ERRORFILE"  "debug_proj.log"



###########################

LAYER
    DEBUG 5
	NAME "MX9-01_20240730_000784-001_0030"
	DATA "[...path...]/MX9-01_20240730_000784-001_0030.tif"
	TYPE RASTER
	PROJECTION
		"init=epsg:3799"
	END
END

###########################

Here the log output:

[Wed Aug 27 10:13:25 2025].225353 msDrawRasterLayerLow(MX9-01_20240730_000784-001_0030): entering.
[Wed Aug 27 10:13:25 2025].225880 msDrawRasterLayerGDAL(): Entering transform.
[Wed Aug 27 10:13:25 2025].225894 msDrawRasterLayerGDAL(): src=1534,1715,419,296, dst=0,0,1300,919
[Wed Aug 27 10:13:25 2025].225899 msDrawRasterLayerGDAL(): source raster PL (1533.977,1715.259) for dst PL (0,0).
[Wed Aug 27 10:13:25 2025].225910 msDrawRasterLayerGDAL(): red,green,blue,alpha bands = 1,0,0,0
[Wed Aug 27 10:13:25 2025].251631 msDrawMap(): Layer 0 (MX9-01_20240730_000784-001_0030), 0.026s
[Wed Aug 27 10:13:25 2025].327641 freeLayer(): freeing layer at 0x2727a80.
[Wed Aug 27 10:13:25 2025].327746 freeLayer(): freeing layer at 0x27a4850.
[Wed Aug 27 10:13:27 2025].569803 freeLayer(): freeing layer at 0x3e92d90.
[Wed Aug 27 10:13:27 2025].569862 freeLayer(): freeing layer at 0x2660f60.

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