[MapProxy] opacity not working?

Michael Shishcu micklesh at gmail.com
Sat Jan 7 07:51:38 EST 2012


Marco, in my previous email I mentioned your mapserver returns opaque
images even if you request them with transparent set to true.
can you confirm that? and if so change tha format on your mapserver to RGBA.

regards, michael
On Sat, Jan 7, 2012 at 2:34 PM, DeDuikertjes <DeDuikertjes at xs4all.nl> wrote:

>  Hi Michael, Oliver,
>
> I've tried all options.
> It didn't matter.
> All results became opaque.
>
> Then I added opacity: 0.4 to the definition of the CACHE.
> Then the result is as expected. Nice and transparent.
>
> Image mode can be RGBA or P, paletted true or false, transparent true or
> false. All doesn't matter. If opacity is set on the cache the results are
> OK, otherwise not.
>
> Only when seeding mapproxy complains:
>
> mapproxy.config - WARNING - unknown 'opacity' in caches._Bedrijventerrein.image
>
> Also from doc's I understood that opacity should be set in source not cache.
>
> Anyhow thank you all!
>
> MArco
>
>
> Op 6-1-2012 19:29, Michael Shishcu schreef:
>
> Hi Marco
>
> Can you try adding
>     image:
>       mode: RGBA
>       transparent: true
>       paletted: false
>
> to the cache (and source?) config. I can share my current yaml file that
> is working a little bit later, if you want.
>
> regards, michael
>
> On Fri, Jan 6, 2012 at 7:38 PM, DeDuikertjes <DeDuikertjes at xs4all.nl>wrote:
>
>>  Oliver,
>>
>> Thank you. I did as you suggested
>>
>> I've added a layer to may config (see attached).
>> The result can be seen at:
>>
>> http://178.63.74.185/hosting/demo/show_source.html?layernames=testlufo,Bedrijventerrein&test=true&opacity=1&url=http://test.tiles.md-kwadraat.nl/mp/service
>>
>> Still the layer defined with transparency 0.4 is fully opaque. Am  miss
>> understanding something?
>>
>> Marco
>>
>> caches:
>>   _Bedrijventerrein:
>>     grids:
>>     - applas_grid
>>     link_single_color_images: true
>>     sources:
>>     - wms_Bedrijventerrein
>>   _testlufo:
>>     grids:
>>     - applas_grid
>>     link_single_color_images: true
>>     sources:
>>     - wms_testlufo
>> globals:
>>   cache:
>>     base_dir: /var/applas_user_data/test/cache/
>>     lock_dir: /var/applas_user_data/test/cache/locks/
>>     meta_buffer: 255
>>     meta_size:
>>     - 3
>>     - 3
>>     minimize_meta_requests: true
>> grids:
>>   applas_grid:
>>     bbox:
>>     - -285401.920000
>>     - 22598.080000
>>     - 595401.920000
>>     - 903401.920000
>>     res:
>>     - 3440.640000
>>     - 1720.320000
>>     - 860.160000
>>     - 430.080000
>>     - 215.040000
>>     - 107.520000
>>     - 53.760000
>>     - 26.880000
>>     - 13.440000
>>     - 6.720000
>>     - 3.360000
>>     - 1.680000
>>     - 0.840000
>>     - 0.420000
>>     - 0.210000
>>     srs: EPSG:28992
>>     tile_size:
>>     - 256
>>     - 256
>> layers:
>> - name: Bedrijventerrein
>>   sources:
>>   - _Bedrijventerrein
>>   title: Bedrijventerrein
>> - name: testlufo
>>   sources:
>>   - _testlufo
>>   title: testlufo
>> services:
>>   tms: ~
>>   wms:
>>     image_formats:
>>     - image/png
>>     - png
>>     md:
>>       abstract: test for transparency.
>>       access_constraints: none
>>       contact:
>>         address: none
>>         city: none
>>         country: The Netherlands
>>         email: none
>>         organization: none
>>         person: none
>>         phone: none
>>         position: none
>>         postcode: none
>>       fees: None
>>       online_resource: http://tiles.md-kwadraat.nl/
>>       title: test for transparency.
>>     srs:
>>     - EPSG:28992
>> sources:
>>   wms_Bedrijventerrein:
>>     image:
>>       opacity: 0.400000
>>     req:
>>       layers: Bedrijventerrein
>>       transparent: true
>>       url:
>> http://178.63.74.185/fcgi-bin/mapserv?map=/var/www/html/shared/services/wmsproxy/wmsproxy.map
>>     supported_srs:
>>     - EPSG:28992
>>     type: wms
>>   wms_testlufo:
>>     concurrent_requests: 4
>>     image:
>>       opacity: 1.000000
>>     req:
>>       layers: Lufo
>>       transparent: true
>>       url:
>> http://178.63.74.185/fcgi-bin/mapserv?map=/var/www/html/shared/services/wmsproxy/wmsproxy.map
>>     supported_srs:
>>     - EPSG:28992
>>     type: wms
>>     wms_opts:
>>       featureinfo: true
>>
>>
>>
>>
>>
>> Op 6-1-2012 14:29, Oliver Tonnhofer schreef:
>>
>> Hi Marco,
>>
>> On 06.01.2012, at 14:16, DeDuikertjes wrote:
>>
>>  Please help me with tracking down this problem.
>> Is there anything wrong with my config?
>> How can I track this problem. I really don't know where to start.
>>
>>  it does only work when you overlay multiple layers. So you should try to add another layer below your layer.
>>
>> Regards,
>> Oliver
>>
>>
>>
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>>
>>
>
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