AW: [Mapbender-users] MB 2.5: Problems with legends in pdf-print
using mapserver's agg
Schönhammer, Herbert
Schoenhammer.Herbert at Regensburg.de
Wed Apr 29 08:56:37 EDT 2009
Hi Michael,
Hi list,
I'm back again with (nearly) the same problem ;-)
Now I've got a server, reachable from Internet. I wanted to build a gui for testing the troubles. But with some further trial and error I found a combination of mapserver/agg-parameters and mapbender-parameters which are avoiding the described problem.
But now I have another problem in printing the map (please see below !)
First things, which are doing right now:
In my MAPFILE I'm using now:
---------------------------
# 24 Bit Farbe
OUTPUTFORMAT
NAME 'AGGA'
#MIMETYPE 'image/png' <======= you MUST NOT use the MIMETYPE attribute !!!!
DRIVER AGG/PNG
EXTENSION PNG
IMAGEMODE RGBA
END
LEGEND
STATUS ON
KEYSIZE 30 20
KEYSPACING 10 5
LABEL
COLOR 0 0 0
TYPE TRUETYPE
FONT "verdana"
SIZE 8
END
TRANSPARENT ON
IMAGECOLOR 255 255 255
END
In mapbender wms-gui settings I use:
-------------------------------------
"image/png; mode=24bit" for this wms
The result is
--------------
I have a map with good quality ON THE SCREEN, the legend ON THE SCREEN is okay (has transparent background)
AND THE LEGEND ON THE PRINT IS OKAY NOW (the legend has also a transparent background).
The new problem is:
-------------------
Now the quality in the MAP of the print is poor. It seems, that the print-module is ignoring the mapbender-setting "image/png; mode=24bit".
In detail:
In mb_log the following request is logged as request for printing (I have replaced ' ' through '%20' because the server is online; you may try the requests !!):
http://stadtplan2.regensburg.de/cgi-bin/getows?map=/cityportal-maps/rgb_printtest-agg24.map&VERSION=1.1.1&REQUEST=GetMap&SERVICE=WMS&LAYERS=strassenachsen&STYLES=&SRS=EPSG:31468&BBOX=4506700.1038532015,5431380.99999632,4506868.999796765,5431617.833858754&WIDTH=1780&HEIGHT=2496&FORMAT=image/png;%20mode=24bit&BGCOLOR=0xffffff&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage
The request above delivers the correct image with good quality in 24bit color.
But in webservers-log all requests for printing DO NOT use the "image/png; mode=24bit". They only use "image/png". The corresponding line in apache-log is:
192.168.2.16 - - [29/Apr/2009:14:03:13 +0200] "GET /cgi-bin/getows?map=/cityportal-maps/rgb_printtest-agg24.map&VERSION=1.1.1&REQUEST=GetMap&SERVICE=WMS&LAYERS=strassenachsen&STYLES=&SRS=EPSG:31468&BBOX=4506700.1038532015,5431380.99999632,4506868.999796765,5431617.833858754&WIDTH=1780&HEIGHT=2496&FORMAT=image/png&BGCOLOR=0xffffff&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage HTTP/1.0" 200 37121 "-" "-"
for trying: http://stadtplan2.regensburg.de/cgi-bin/getows?map=/cityportal-maps/rgb_printtest-agg24.map&VERSION=1.1.1&REQUEST=GetMap&SERVICE=WMS&LAYERS=strassenachsen&STYLES=&SRS=EPSG:31468&BBOX=4506700.1038532015,5431380.99999632,4506868.999796765,5431617.833858754&WIDTH=1780&HEIGHT=2496&FORMAT=image/png&BGCOLOR=0xffffff&TRANSPARENT=TRUE&EXCEPTIONS=application/vnd.ogc.se_inimage
The request above delivers poor quality in 8bit color, which is used for printing !!!
Obviously the logged map-request in mb_log differs from the map-requests sent to the webserver !?!?!
Tipps for me ?
--------------
Does anybody know where
- the map-requests for printing are created ?
- the map-requests for logging are created ?
- the getlegendgraphic-requests for printing are created ?
How to ensure, that the mapbender settings for mapformat are also used for printing ?
I'm using MB 2.5 !!
(If you want to make your own trials, this gui is now online for testing:
http://stadtplan2.regensburg.de/mb25/frames/login.php?name=stadtplan&password=stadtplan&mb_user_myGui=Printtest )
Thanks a lot
greetings
Herbert
>-----Ursprüngliche Nachricht-----
>Von: mapbender_users-bounces at lists.osgeo.org
>[mailto:mapbender_users-bounces at lists.osgeo.org] Im Auftrag
>von Michael Schulz
>Gesendet: Dienstag, 3. März 2009 14:05
>An: Mapbender User List
>Betreff: Re: [Mapbender-users] MB 2.5: Problems with legends
>in pdf-print using mapserver's agg
>
>
>Hi Herbert,
>
>I am somewhat at the end of my latin ;-)
>
>class_SaveLegend should create a white background rectangle in each
>created legend image. If I remember correctly your using the RGBA mode
>in your outputformat. Could you try with only RGB? Maybe the pdf class
>image functions cannot handle alpha channel transparency.
>
>Cheers, Michael
>
>
>2009/3/3 Schönhammer, Herbert <Schoenhammer.Herbert at regensburg.de>:
>> Hi Michael,
>>
>> (sorry today and tomorrow I have a lot of dates :-(, so i'm
>late to answer ! )
>>
>> following your hints, I'm observing following:
>>
>> 1) I'm using again: image/png as wms setting
>> 2) $unlink=false: The png -file of the legend-picture is a
>24 bit picture with the wrong (=black) background-color
>> 3) Looking at apache-log mapbender's
>getlegendgraphic-request uses "image/png"
>> 4) Taking the request from apache-log and sending this
>request to mapserver: the picture comes with transparent
>background (like it should be) as a 24 bit png !
>>
>> => The request from mapbender to mapserver has a correct 24
>bit png as result
>> => The temporary file in the tmp- directory is also a 24bit
>png, but with wrong background color
>> => This wrong (black) png is inc´luded into the generated pdf !
>>
>>
>> P.S: I'm not able to give you access to the services. From
>Internet they will be rechable next weak !
>>
>> regards
>> Herbert
>>
>>
>>
>>
>>
>>
>>
>>>-----Ursprüngliche Nachricht-----
>>>Von: mapbender_users-bounces at lists.osgeo.org
>>>[mailto:mapbender_users-bounces at lists.osgeo.org] Im Auftrag
>>>von Michael Schulz
>>>Gesendet: Montag, 2. März 2009 17:57
>>>An: Mapbender User List
>>>Betreff: Re: [Mapbender-users] MB 2.5: Problems with legends
>>>in pdf-print using mapserver's agg
>>>
>>>
>>>Hi,
>>>
>>>the problem with 24bit rendering is, that mapserver publishes that as
>>>"image/png;mode=24bit" in the wms getcapabilities if you don't define
>>>a special outputformat. So, when you have set image/png as
>>>image-format in mapbender and you get a 24bit png back everything is
>>>perfect.
>>>
>>>Have you tried setting $unlink=false in printPDF.conf and
>then examine
>>>the temporary images while generating the pdf output? I am not sure,
>>>if this has impact on the legend images, but it could be worth a try.
>>>
>>>Cheers, Michael
>>>
>>>
>>>2009/3/2 Schönhammer, Herbert <Schoenhammer.Herbert at regensburg.de>:
>>>> Hi Michael,
>>>>
>>>> sorry I don't really understand your hint :-(
>>>>
>>>> At the moment I use (wms-gui-settings): "image/png"
>>>>
>>>> But there is no difference between "image/png" and
>>>"image/png; mode=24bit".
>>>>
>>>> Only the settings in the mapfile determine the outputformat.
>>>So the following always generates a 8bit output. In this case,
>>>the printig of the picture in the legend is okay, but the
>>>quality of the map is very very poor.
>>>>
>>>> # 8 Bit Farbe
>>>> OUTPUTFORMAT
>>>> NAME 'AGG_Q'
>>>> DRIVER AGG/PNG
>>>> IMAGEMODE RGB
>>>> FORMATOPTION "QUANTIZE_FORCE=ON"
>>>> FORMATOPTION "QUANTIZE_DITHER=OFF"
>>>> FORMATOPTION "QUANTIZE_COLORS=256"
>>>> END
>>>>
>>>> So I want a map with 24bit color.
>>>>
>>>> Please: Could you give me some more hints?
>>>>
>>>> What shall I use ? "image/png" or "image/png; mode=24bit" in
>>>wms-settings?
>>>> What settings in the mapfile should be done in this case ?
>>>>
>>>> regards
>>>> Herbert Schönhammer
>>>>
>>>>
>>>>
>>>>
>>>>>-----Ursprüngliche Nachricht-----
>>>>>Von: mapbender_users-bounces at lists.osgeo.org
>>>>>[mailto:mapbender_users-bounces at lists.osgeo.org] Im Auftrag
>>>>>von Michael Schulz
>>>>>Gesendet: Montag, 2. März 2009 14:39
>>>>>An: Mapbender User List
>>>>>Betreff: Re: [Mapbender-users] MB 2.5: Problems with legends
>>>>>in pdf-print using mapserver's agg
>>>>>
>>>>>
>>>>>Hello Mr. Schönhammer,
>>>>>
>>>>>are you using imagemode "image/png;24bit mode" for this service in
>>>>>Mapbender? Then this could be the problem, because
>printPDF sets the
>>>>>imageformat for the maps and the legend icons to image/png.
>>>Then maybe
>>>>>your customized outputformat isn't used anymore... In the GUI the
>>>>>imageformats are used as defined in gui wms settings.
>>>>>
>>>>>Chees, Michael Schulz
>>>>>
>>>>>
>>>>>
>>>>>2009/3/2 Schönhammer, Herbert <Schoenhammer.Herbert at regensburg.de>:
>>>>>> Hi list,
>>>>>>
>>>>>> I have a new strange problem with pdf-print in Mapbender 2.5.
>>>>>>
>>>>>> Lines should be rendered with rounded linejoins. So I'm
>>>>>using mapserver agg
>>>>>> - renderer with an outputformat defined like:
>>>>>>
>>>>>> OUTPUTFORMAT
>>>>>> ##NAME png
>>>>>> ##DRIVER "GD/PNG"
>>>>>> MIMETYPE "image/png"
>>>>>> NAME 'AGGA'
>>>>>> DRIVER AGG/PNG
>>>>>> EXTENSION PNG
>>>>>> IMAGEMODE RGBA
>>>>>> TRANSPARENT ON
>>>>>> END
>>>>>>
>>>>>>
>>>>>> Things are done well
>>>>>>
>>>>>> in the map
>>>>>> and in the legend of the gui.
>>>>>>
>>>>>>
>>>>>> Things are going wrong in printing the legend in pdf-print.
>>>>>> The legend picture is drawn with a black background. So the
>>>>>text of the
>>>>>> legend is not readable anymore. (Please see examples in
>>>the appendix)
>>>>>>
>>>>>>
>>>>>> Until now I used gd-driver. With gd-driver all things are
>>>>>going right.
>>>>>>
>>>>>> The background of the legend picture is defined transparent.
>>>>>So the same
>>>>>> legend picture my be used in different guis (with different
>>>>>> background-color) and in pdf-Print.
>>>>>>
>>>>>> LEGEND
>>>>>> STATUS ON
>>>>>> KEYSIZE 298 398
>>>>>> KEYSPACING 10 1
>>>>>> LABEL
>>>>>> TYPE TRUETYPE
>>>>>> FONT "verdana"
>>>>>> SIZE 8
>>>>>> POSITION lc
>>>>>> END # END LABEL
>>>>>> TRANSPARENT ON
>>>>>> IMAGECOLOR 255 255 255
>>>>>> END #LEGEND
>>>>>>
>>>>>> I'm not able to detect any difference in the pictures
>>>>>produced by gd or by
>>>>>> agg. In all tools (even photo-editors) the background is
>displayed
>>>>>> transparent. Only in mapbender pdf-print the background is
>>>>>displayed in
>>>>>> black. So I think, the solution could be in pdf-print ?
>>>>>>
>>>>>> Has anybody observed similar problems ?
>>>>>> Has anybody a tipp ?
>>>>>>
>>>>>> Thanks a lot
>>>>>> Herbert Schönhammer
>>>>>>
>>>>>> _______________________________________________
>>>>>> Mapbender_users mailing list
>>>>>> Mapbender_users at lists.osgeo.org
>>>>>> http://lists.osgeo.org/mailman/listinfo/mapbender_users
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>--
>>>>>-----------------------------------------------------------
>>>>>Michael Schulz
>>>>>mschulz at webgis.de
>>>>>
>>>>>in medias res
>>>>>Gesellschaft für Informationstechnologie mbH
>>>>>
>>>>>In den Weihermatten 66
>>>>>79108 Freiburg
>>>>>
>>>>>Tel +49 (0)761 556959-5
>>>>>Fax +49 (0)761 556959-6
>>>>>
>>>>>http://www.webgis.de / http://www.zopecms.de
>>>>>-----------------------------------------------------------
>>>>>Geschäftsführer: Stefan Giese, Dr. Christof Lindenbeck
>>>>>Eingetragen im Handelsregister HRB 5930 beim Amtsgericht Freiburg
>>>>>_______________________________________________
>>>>>Mapbender_users mailing list
>>>>>Mapbender_users at lists.osgeo.org
>>>>>http://lists.osgeo.org/mailman/listinfo/mapbender_users
>>>>>
>>>> _______________________________________________
>>>> Mapbender_users mailing list
>>>> Mapbender_users at lists.osgeo.org
>>>> http://lists.osgeo.org/mailman/listinfo/mapbender_users
>>>>
>>>
>>>
>>>
>>>--
>>>-----------------------------------------------------------
>>>Michael Schulz
>>>mschulz at webgis.de
>>>
>>>in medias res
>>>Gesellschaft für Informationstechnologie mbH
>>>
>>>In den Weihermatten 66
>>>79108 Freiburg
>>>
>>>Tel +49 (0)761 556959-5
>>>Fax +49 (0)761 556959-6
>>>
>>>http://www.webgis.de / http://www.zopecms.de
>>>-----------------------------------------------------------
>>>Geschäftsführer: Stefan Giese, Dr. Christof Lindenbeck
>>>Eingetragen im Handelsregister HRB 5930 beim Amtsgericht Freiburg
>>>_______________________________________________
>>>Mapbender_users mailing list
>>>Mapbender_users at lists.osgeo.org
>>>http://lists.osgeo.org/mailman/listinfo/mapbender_users
>>>
>> _______________________________________________
>> Mapbender_users mailing list
>> Mapbender_users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapbender_users
>>
>
>
>
>--
>-----------------------------------------------------------
>Michael Schulz
>mschulz at webgis.de
>
>in medias res
>Gesellschaft für Informationstechnologie mbH
>
>In den Weihermatten 66
>79108 Freiburg
>
>Tel +49 (0)761 556959-5
>Fax +49 (0)761 556959-6
>
>http://www.webgis.de / http://www.zopecms.de
>-----------------------------------------------------------
>Geschäftsführer: Stefan Giese, Dr. Christof Lindenbeck
>Eingetragen im Handelsregister HRB 5930 beim Amtsgericht Freiburg
>_______________________________________________
>Mapbender_users mailing list
>Mapbender_users at lists.osgeo.org
>http://lists.osgeo.org/mailman/listinfo/mapbender_users
>
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