[mapserver-users] Specify resolution (or pixel size) in WMS requests

[Astrid Emde]

Hello,

we tried the parameter MAP.RESOLUTION AND MAP.DEFRESOLUTION with
MapServer 6.0.1 and made the following observations.

We tested with RESOLUTION=288&MAP.DEFRESOLUTION=72

The size of the symbols and textes was not like we expected. They were
often too small.

We tested with and without the parameter SYMBOLSCALEDENOM

1.) without SYMBOLSCALEDENOM (none scaled, fix size) ok are:

    * lines (not scaled) are dispayed correct (ok)
    * outlines (not scaled) of polygones are dispayed correct (ok).
    * symbols (not scaled) are displayed correct (ok).
    * textes (not scaled) are displayed correct (ok).We tested not scaled
texts without SYMBOLSCALEDENOM: It's displayed different weather
MINSIZE/MAXSIZE is existing or not.


2.) with SYMBOLSCALEDENOM

NOT ok:

    * Scaled symbols are displayed incorrect - too small.
    * Scaled lines are dispayed incorrect - too small.
    * scaled outlines of polygones are dispayed incorrect.
    * Scaled text are dispayed incorrect - too small.

For us it would be good to get this problem solved, as at the moment we
generate a copy of the mapfile for the print with symbol- and labelsize
multiplyed with factor 4. It would be charming to solve the print with one
mapfile. We could do testing and maybe I could look for sponsoring too.

Is there someone else interested to solve this? Is there a ticket already?

Astrid

thomas bonfort schrieb:
> cgi controls should do the trick?
>
> http://....../?SERVICE=WMS&....&MAP.RESOLUTION=144&MAP.DEFRESOLUTION=96
>
> --
> thomas
>
> On Mon, Dec 5, 2011 at 17:43, Peter Hopfgartner
> <peter.hopfgartner at r3-gis.com> wrote:
>> Basically, I am looking for a way to something analogous to
DEFRESOLUTION in
>> a WMS request. The standard says, that a pixel is 0.28 mm x 0.28 mm
>> (25.4/0.28 ~= 90.71 DPI). I could not found a way to change this in the
WMS
>> 1.3.0 standard.
>> Is there a MapServer vendor parameter, similar to the one in GeoServer,
>> http://docs.geoserver.org/latest/en/user/services/wms/vendor.html#format-options
>> ?
>>
>> Peter
>>
>> --
>> Peter Hopfgartner R3 GIS http://www.r3-gis.com
>> _______________________________________________
>> mapserver-users mailing list
>> mapserver-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
> _______________________________________________
> mapserver-users mailing list
> mapserver-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapserver-users


-- 

Mit freundlichen Grüßen

Astrid Emde

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 Astrid Emde
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 Fax: +49(0)228 90 90 38 - 11

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