Hi, I don't think that this is possible, neither in MapServer nor in
WCS. I'd recommend to pre-process the files to only contain the needed
bands. cu Stephan
On 06/14/2018 05:12 PM, Rousseau Lambert2, Louis-Philippe (EC) wrote:
> Hi !
>
>
> I'm configuring a WCS web services with files that have many bands, like
> 150.
>
>
> The layer is only available in WCS and I would like to be able to
> specify a default band to use. I tried the WMS way with the PROCESSING
> "BANDS=1" but if I ask for the layer with a WCS 2.0.1 request, all
> always get all the bands...
>
>
> Here is the request I use:
>
> localhost:8080/mapserv?map=/some/path/wcs.map=WCS=2.0.1=GetCoverage=layer_name=image/tiff=x(-160,-45)=y(25,85)
>
>
> the result (from a 3 band layer) is always a 3 bands layer unless I
> specify a band to use in my WCS request. I would like it to only give a
> default band when I don't specify the RANGESUBSET...
>
>
> Any idea on how to do, or I am doing something wrong ?
>
>
> Thanks guys!
>
>
> LP
>
>
> Example mapfile:
>
>
> MAP
> NAME "test"
> PROJECTION
> "init=epsg:4326"
> END
> OUTPUTFORMAT
> NAME GEOTIFF_16
> DRIVER "GDAL/GTiff"
> MIMETYPE "image/tiff"
> IMAGEMODE FLOAT32
> EXTENSION "tif"
> END
> EXTENT -180 -90 180 90
> SIZE 500 300
> WEB
> METADATA
> "ows_enable_request" "*"
> "ows_title" "My Web Services"
> "wcs_label" "test for cccs"
> END
> END
>
> LAYER
> NAME "layer_name"
> STATUS ON
> TYPE RASTER
> DUMP TRUE
> TEMPLATE "ttt.html"
> PROJECTION
> "init=epsg:4326"
> "lon_wrap=180"
> END
> DATA '/data/geomet/afsslor/cccs/cmip5/test.tif'
> PROCESSING "BANDS=1"
> METADATA
> "ows_title" "test"
> "ows_include_items" "all"
> "wms_enable_request" "!*"
> "wcs_enable_request" "*"
> "wcs_label" "test for cccs"
> "wcs_size" "360 180"
> "wcs_extent" "-180 -90 180 90"
> "wcs_imagemode" "FLOAT32"
> "wcs_bandcount" "3"
> "wcs_band_names" "BandA BandB BandC"
> #default values
> "wcs_band_interpretation" "This is default interpretation"
> "wcs_band_uom" "DefaultUOM"
> "wcs_band_definition" "DefaultDefinition"
> "wcs_band_description" "This is default description"
> "wcs_interval" "195 310"
> "wcs_significant_figures" "3"
> END
> END
> END
>
>
>
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>
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