[MapProxy] opacity not working?

[DeDuikertjes]

Michael,

Thank you. The bitdepth of the source-PNG is 32 bit.
So there seems to be another issue.

Any help appreciated, MArco

Op 3-1-2012 17:43, Michael Shishcu schreef:
> MArco, you can check the png file properties, "Bit depth" for ex. you 
> should have 32 bits per pixel for full feature png (RGBA) and 8 for 
> quantized
>
> regards, michael
>
> On Tue, Jan 3, 2012 at 5:23 PM, DeDuikertjes <DeDuikertjes at xs4all.nl 
> <mailto:DeDuikertjes at xs4all.nl>> wrote:
>
>     Michael,
>
>     Thanks for your prompt response.
>
>     The WMS-service is not under my control.
>     It's an ArcGIS10 server (the one serving the layer which doesn't
>     like te be opaque).
>     Probably the image is quantised, but that's what we want as we are
>     aiming on mobile use.
>
>     Is there a way to see if the image is quantised?
>     Why is there a problem? Can it be mitigated?
>
>     MArco
>
>     Op 3-1-2012 16:15, Michael Shishcu schreef:
>>     Hi,
>>
>>     Do you have quantisation for the outputformat at the mapserver
>>     side? if so, this can be the problem.
>>
>>     regards, michael
>>
>>     On Tue, Jan 3, 2012 at 5:08 PM, DeDuikertjes
>>     <DeDuikertjes at xs4all.nl <mailto:DeDuikertjes at xs4all.nl>> wrote:
>>
>>         List,
>>
>>         I've the mapproxy config to my liking. Everything is working
>>         fine except for the opacity on a source.
>>
>>         I would expect a layer pointing to a cache pointing to a
>>         source with definition:
>>           wms_Bedrijventerrein:
>>             concurrent_requests: 4
>>             image: {opacity: 0.1}
>>             req: { layers: Bedrijventerrein, transparent: true, url:
>>         'http://myservice.nl/MapServer/WMSServer'}
>>             seed_only: false
>>             supported_srs: ['EPSG:28992']
>>             type: wms
>>             wms_opts: {featureinfo: true}
>>         to be rendered almost transparent when requested and/ or
>>         merged on top of other layers.
>>         The result is unfortunately fully opaque.
>>
>>         Can anyone point me to what I am doing wrong.
>>
>>         I've isolated the problem and tested it in the configuration
>>         attached below.
>>
>>         Any help greatly appreciated,
>>         MArco
>>
>>         caches:
>>           _Bedrijventerrein:
>>             grids: [applas_grid]
>>             link_single_color_images: true
>>             sources: [wms_Bedrijventerrein]
>>           _lufo:
>>             cache: {directory_layout: tc, type: file}
>>             grids: [applas_grid]
>>             link_single_color_images: true
>>             meta_buffer: 0
>>             meta_size: [4, 4]
>>             minimize_meta_requests: true
>>             sources: [lufo_wms]
>>             format: image/png
>>             image:
>>               mode: RGBA
>>         globals:
>>           cache:
>>             base_dir: /var/applas_user_data/prod/cache/
>>             lock_dir: /var/applas_user_data/prod/cache/locks/
>>             meta_buffer: 255
>>             meta_size: [3, 3]
>>             minimize_meta_requests: true
>>           image:
>>             formats:
>>               image/png:
>>                 encoding_options: {quantizer: fastoctree}
>>                 mode: P
>>                 transparent: true
>>         grids:
>>           applas_grid:
>>             bbox: [-285401.91999999998, 22598.080000000002,
>>         595401.92000000004, 903401.92000000004]
>>             res: [3440.6399999999999, 1720.3199999999999,
>>         860.15999999999997, 430.07999999999998,
>>               215.03999999999999, 107.52, 53.759999999999998,
>>         26.879999999999999, 13.44, 6.7199999999999998,
>>               3.3599999999999999, 1.6799999999999999,
>>         0.83999999999999997, 0.41999999999999998,
>>               0.20999999999999999]
>>             srs: EPSG:28992
>>             tile_size: [256, 256]
>>         layers:
>>         - name: lufo
>>           sources: [_lufo]
>>           title: Luchtfoto
>>         - name: Bedrijventerrein
>>           sources: [_Bedrijventerrein]
>>           title: Bedrijventerrein
>>         services:
>>           tms: null
>>           wms:
>>             image_formats: ['image/png']
>>             md:
>>               abstract: Tiled WMS
>>               access_constraints: None
>>               contact: {address: mystreet 1, city: Utrecht, country:
>>         The Netherlands, email: nope at spam.org <mailto:nope at spam.org>,
>>                 organization: nope, person: nope, phone: nope,
>>                 position: Technical Director, postcode: nope}
>>               fees: None
>>               online_resource: http://myservice.nl/
>>               title: tile service.
>>             srs: ['EPSG:28992', 'EPSG:900913', 'EPSG:4326']
>>         sources:
>>           lufo_wms:
>>             concurrent_requests: 4
>>             req: {layers: ipo_luchtfoto_actueel, url:
>>         'http://myservice.nl/mapserv.cgi?map=luchtfoto.map'}
>>             supported_srs: ['EPSG:28992']
>>             type: wms
>>           wms_Bedrijventerrein:
>>             concurrent_requests: 4
>>             image: {opacity: 0.1}
>>             req: { layers: Bedrijventerrein, transparent: true, url:
>>         'http://myservice.nl/MapServer/WMSServer'}
>>             seed_only: false
>>             supported_srs: ['EPSG:28992']
>>             type: wms
>>             wms_opts: {featureinfo: true}
>>
>>         _______________________________________________
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>>
>>
>
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