[mapserver-users] wcs 1.0.0 bbox problem

[Peter Freimuth]

Hi,
executing the following request
https://devcloud.blackbridge.com/wcs/PlenumsoftDemo?SERVICE=WCS&VERSION=1.0.0&REQUEST=GetCoverage&COVERAGE=testdata_raw&FORMAT=GEOTIFF_INT16&RESX=5&RESY=5&RESPONSE_CRS=EPSG:32616&CRS=EPSG:4326&TIME=2012-04-05

results in

<?xml version='1.0' encoding="ISO-8859-1" ?>
xmlns="http://www.opengis.net/ogc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.opengis.net/ogc http://schemas.opengeospatial.net/wcs/1.0.0/OGC-exception.xsd">
msWCSGetCoverage(): WCS server error. Requested BBOX (-2.5,-2.5,2.5,2.5) is outside requested coverage BBOX (210500,2230500,261500,2281500)
msProjectRect(): Projection library error. All points failed to reproject.
msProjectPoint(): Projection library error. proj says: latitude or longitude exceeded limits

The corresponding layer d3efinition is:

MAP
...
LAYER
# this is the tileindex that aggregates the single image products together and makes them accessible by date and extend
NAME "data_raw_idx"
STATUS ON

DEBUG 5
TYPE POLYGON
DATA "/mnt/mapserver/mapserver_wms/Raster/Plenumosft_RE_Sample_forWCS/plenumsoft_demo_data"
PROJECTION
"init=epsg:32616"
END
VALIDATION
# 'productid' '^([0-9])$'
END
#FILTER ( '[productid]'='%productid%')
METADATA
#'productid_validation_pattern' '^([0-9])$'
#'default_productid' '1234567'
#disable explicitly everything that shall not be supported for this Layer
"wms_enable_request" "!GetCapabilities !GetMap !GetLegendgraphic"
"wcs_enable_request" "!GetCapabilities !GetCoverage !DescribeCoverage"
"wfs_enable_request" "!GetCapabilities !GetFeature !DescribeFeatureType"
END
END
LAYER
# this layer serves the 16bit raw data
NAME "testdata_raw"
STATUS ON

DUMP TRUE
DEBUG 5
TYPE RASTER ### required
PROJECTION
"init=epsg:32616"
END
OFFSITE 0 0 0 
UNITS meters
TILEINDEX "data_raw_idx"
TILEITEM "location"
#MASK "mask2"
METADATA
"wcs_title" "5 band 16bit RE Testdata with time support"
"wcs_extent" "210500.0 2230500.0 261500.0 2281500.0" # shall be set dynamically by the wrapper script on mapObj base
"wcs_srs" "EPSG:4326 EPSG:900913 EPSG:3857 EPSG:32615 EPSG:32616 EPSG:32617"
"wcs_label" "5 band 16bit RE Testdata" ### required
"wcs_rangeset_axes" "bands"
"wcs_rangeset_name" "Bands" ### required to support DescribeCoverage request
"wcs_rangeset_label" "RE Radiometric Bands" ### required to support DescribeCoverage request
"wcs_rangeset_nullvalue" "0"

#"wcs_size" "15000 15000" #if we have a global ows_extent set in web-metadata and a wcs_resolution this gets calculated by mapserver
"wcs_resolution" "5.0 5.0"
"wcs_bandcount" "5"
"wcs_band_names" "Blue Green Red Rededge Nir"
"wcs_imagemode" "INT16"
"wcs_formats" "GEOTIFF_INT16 AAIGRID"
"wcs_native_format" "image/tiff"
"wcs_nativeformat" "GTiff"
"wcs_enable_request" "*"
"wcs_timeposition" "2011-01-04,2011-04-20,2012-04-05" #this might get set by the mapscript wrapper accodingly to the dates avaialable for the service and is mandatory to allow temporal subsettings
"wcs_timeextent" "2011-01-04/2012-04-05" # shall be set dynamically by the wrapper script on mapObj base
"wcs_timeitem" "acquidate"
#disable explicitly everything that shall not be supported for this Layer
"wms_enable_request" "!GetCapabilities !GetMap !GetLegendgraphic"
"wfs_enable_request" "!GetCapabilities !GetFeature !DescribeFeatureType"
END
CLASS
NAME "5 Band (16bit) RE Imagedata"
KEYIMAGE "drgs_keyimage.png"
END
END
...
END

If i use CRS=EPSG:32616 which is the epsg code of the layer itself, everything works fine. I would expect that mapserver would reproject the wcs_extent or layer_extent or map_extent to the given CRS and use that BBOX by default.

related to:
https://github.com/mapserver/mapserver/issues/4853

-- 
Peter Freimuth 

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