[mapserver-users] Tiled PNG doesn't work for WCS (and WMS)

[Steven M. Ottens]

I got the latest FWTools and copied it's entire bin directory to a  
new folder in cgi-bin (traumatizing FrankW in the process) and tested  
the same data with Mapserver 5.6beta4.

It is indeed faster, but Frank pointed out that with this insane copy  
action I also got the latest and greatest gdal.

So all in all, mapserver 5.6beta4  together with the new gdal is  
faster than 5.0.2 and gdal1.5. In a non-scientific test I got it up  
to 15x faster. (10.79s vs .694s)

Regards
Steven

On Oct 20, 2009, at 5:00 PM, Steve Lime wrote:

> Be interested to hear if the soon-to-be released MapServer 5.6  
> fares any better speedwise. 5.0.2
> is pretty darn old. -Steve
>
>>>> On 10/20/2009 at 9:52 AM, in message
> <8225C3E9-81AB-48BA-8612-35A03B9BF19B at geodan.nl>, "Steven M. Ottens"
> <steven.ottens at geodan.nl> wrote:
>> Hi all,
>>
>> Thanks to Frank the problem was drilled down to the way the relative
>> paths where defined in the index shapefile. Using absolute paths in
>> gdaltindex did the trick.
>>
>> Unfortunately Geoserver 1.7.6 is faster on the same machine, with the
>> same dataset as Mapserver 5.0.2 :(
>>
>> http://bit.ly/W02ka
>> vs
>> http://bit.ly/2sXA68
>>
>> Thanks for all the help
>>
>> Steven
>>
>> On Oct 20, 2009, at 12:34 PM, Milo van der Linden wrote:
>>
>>> Steven,
>>>
>>> - tiled png should not be a problem, I use that often.
>>> - It would be good to also set "wms_extent" in your layer defs
>>> - I think that setting the wcs_srs to multiple srs-es at the Layer
>>> Level
>>> is not how it should be done. Use a single srs there that
>>> corresponds to
>>> the wcs_extent or I guess you will have issues. Set the multiple
>>> srs-es
>>> at the wcs_srs and wms_srs on the *MAP* level
>>>
>>> Good luck! And send my regards to Mvexel ;-)
>>>
>>>
>>>
>>> Steven M. Ottens schreef:
>>>> Hi all,
>>>>
>>>> I'm trying to setup a WCS with a series of PNGs with world files.
>>>> I've
>>>> indexed them with gdaltindex.
>>>> When I do a WCS getCoverage or a WMS getMap request I get a white
>>>> image. However when I configure mapserver to use only one tile as
>>>> datasource I get an image (black and white in WCS, color in WMS).
>>>>
>>>> Working singletile datasource WMS: http://bit.ly/smpyA
>>>> Working singletile datasource WCS: http://bit.ly/1hXghB
>>>> not working tiled datasource WMS: http://bit.ly/2k5J11
>>>>
>>>> I'm running Mapserver 5.0.2 on windows
>>>>
>>>> I've tried to convert the PNGs to geotiff, but that didn't matter.
>>>> I've tried using Geoserver and there it does work, so the data
>>>> appears
>>>> to be correct.
>>>>
>>>> Does mapserver support tiled PNGs?
>>>> Does it support it for WCS?
>>>>
>>>> Regards,
>>>> Steven
>>>>
>>>> The configuration for the two layers::
>>>> single tiledatasource:
>>>> LAYER
>>>>   NAME vec200tile
>>>>   METADATA
>>>>     "wcs_label"           "Swiss Topo Vec200 rendering for Tripod"
>>>> ### required
>>>>     "wcs_rangeset_name"   "Vector200Range"               ###  
>>>> required
>>>> to support DescribeCoverage request
>>>>     "wcs_rangeset_label"  "Vec200"              ### required to
>>>> support DescribeCoverage request
>>>>     "wcs_extent"                        "463179.500000 44100.500000
>>>> 853179.500000 324100.500000" ### required for tiled datasets  
>>>> [MVEXEL]
>>>>     "wcs_res"                            "1 1" ### from gdalinfo,
>>>> undocumented metadata element
>>>>     "wcs_size"                            "10000 10000" ### from
>>>> gdalinfo, undocumented metadata element
>>>>     "wcs_srs"                            "EPSG:21781 EPSG:3035"
>>>>   END
>>>>   EXTENT 463179.500000 44100.500000 853179.500000 324100.500000
>>>>
>>>>     TEMPLATE "blank.html"
>>>>     TYPE RASTER
>>>>     UNITS METERS
>>>>     STATUS ON
>>>>  data "RT_Vec200_1500/1.0/vec200_1500_0_108.png"
>>>>   PROJECTION
>>>>     "init=epsg:21781"
>>>>   END
>>>>   DUMP TRUE ### required
>>>> END
>>>>
>>>> tiled datasource:
>>>>
>>>> LAYER
>>>>   NAME vec200
>>>>   METADATA
>>>>     "wcs_label"           "Swiss Topo Vec200 rendering for Tripod"
>>>> ### required
>>>>     "wcs_rangeset_name"   "Vector200Range"               ###  
>>>> required
>>>> to support DescribeCoverage request
>>>>     "wcs_rangeset_label"  "Vec200"              ### required to
>>>> support DescribeCoverage request
>>>>     "wcs_extent"                        "463179.500000 44100.500000
>>>> 853179.500000 324100.500000" ### required for tiled datasets  
>>>> [MVEXEL]
>>>>     "wcs_res"                            "1 1" ### from gdalinfo,
>>>> undocumented metadata element
>>>>     "wcs_size"                            "10000 10000" ### from
>>>> gdalinfo, undocumented metadata element
>>>>     "wcs_srs"                            "EPSG:27181 EPSG:3035"
>>>>   END
>>>>   EXTENT 463179.500000 44100.500000 853179.500000 324100.500000
>>>>
>>>>     TEMPLATE "blank.html"
>>>>     TYPE RASTER
>>>>     UNITS METERS
>>>>     STATUS ON
>>>>   TILEINDEX RT_Vec200_1500/1.0/sh1.0.shp
>>>>   TILEITEM "filename"
>>>>
>>>>   PROJECTION
>>>>     "init=epsg:21781"
>>>>   END
>>>>   DUMP TRUE ### required
>>>> END
>>>>
>>>

-- 
Steven M. Ottens -==- http://research.geodan.nl/