Problems with OGCServer #7

Witchmaster · 2010-12-20T09:48:26Z

Hello,

i hope this is the correct place for my problem.

I used the OGCServer as a CGI Script (your wms.py) and i think the paths are set correctly.
But when i want to run the Server i have several Problems.

When I start a GetMap Request in version 1.1.1, i get a blank Map.
The Requestparameter that i used will work without problems with the UMN Mapserver. So i think the BBox and the projection are correctly set.
My XML File from that i read will also be found form the OGCServer and shows Map with nik2img.py.

What do i wrong to show a map in the Browser.

When I start a GetMap Request in Version 1.3.0 i get an internal ServerError. And the Apache Log shows the following:

Traceback (most recent call last): File "/usr/lib/cgi-bin/wms.py", line 29, in <module> fcgi.Server({fcgi.FCGI_RESPONDER: OGCServerHandler}).run() File "/usr/local/lib/python2.6/dist-packages/jon/fcgi.py", line 514, in run self.handler_types[FCGI_RESPONDER]).process() File "/usr/local/lib/python2.6/dist-packages/jon/cgi.py", line 476, in process handler.traceback(self) File "/usr/local/lib/python2.6/dist-packages/ogcserver/cgiserver.py", line 87, in traceback eh = ExceptionHandler130(self.debug) TypeError: __init__() takes at least 3 arguments (2 given)

When I start the wms.py from console i get nearly the same error with a diffrent Version:

Traceback (most recent call last): File "/usr/lib/cgi-bin/wms.py", line 29, in <module> fcgi.Server({fcgi.FCGI_RESPONDER: OGCServerHandler}).run() File "/usr/local/lib/python2.6/dist-packages/jon/fcgi.py", line 514, in run self.handler_types[FCGI_RESPONDER]).process() File "/usr/local/lib/python2.6/dist-packages/jon/cgi.py", line 476, in process handler.traceback(self) File "/usr/local/lib/python2.6/dist-packages/ogcserver/cgiserver.py", line 87, in traceback eh = ExceptionHandler111(self.debug) TypeError: __init__() takes at least 3 arguments (2 given)

Could you help me to solve these Problems?

(Sorry for my bad English)

The text was updated successfully, but these errors were encountered:

manelclos · 2010-12-20T09:52:35Z

Hi,

Which ogcserver version are you using?
What is the URL you are requesting?

Witchmaster · 2010-12-20T10:21:21Z

Hi,

i downloaded the version at 28 November from here an din changelog the Version is 0.1.0 (is there anywhere a version description in the package?)

And the URL
(Blank Map)
http://server-adress/cgi-bin/wms.py?LAYERS=Grenzen&FORMAT=image/png&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&SRS=EPSG:31467&BBOX=1174230.18,6609567.76,1470790.31,6993198.51&WIDTH=450&HEIGHT=600

(Internal Server Error)
http://Server-Adress/cgi-bin/wms.py?LAYERS=Grenzen&FORMAT=image/png&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&SRS=EPSG:31467&BBOX=1174230.18,6609567.76,1470790.31,6993198.51&WIDTH=450&HEIGHT=600

I have also tested these request with other epsg -> same result.

manelclos · 2010-12-20T12:07:26Z

I've updated cgiserver.py and common.py. Can you please try again?

Witchmaster · 2010-12-20T13:46:14Z

I will try it today at home and tell you my result

Witchmaster · 2010-12-20T18:13:00Z

Hi,

After I updated the files mentioned the problem with V1.3.0 is gone.
But know from the Console i get this Error:

Content-Type: text/html
Content-Length: 393

Traceback (most recent call last): File "/usr/local/lib/python2.6/dist-packages/jon/cgi.py", line 474, in process handler.process(self) File "/usr/local/lib/python2.6/dist-packages/ogcserver/cgiserver.py", line 50, in process server_port = req.environ['SERVER_PORT'] File "/usr/lib/python2.6/UserDict.py", line 22, in **getitem** raise KeyError(key) KeyError: 'SERVER_PORT'

and my Browser get's a white Image.


What am i doing wrong that i get only a blank Map.

manelclos · 2010-12-20T22:13:00Z

wms.py is a cgi script and it is meant to be run from a web server. When running from the command line some variables (i.e. SERVER_PORT) are not defined. Are you running from the command line because you want a test server?

Witchmaster · 2010-12-21T09:45:56Z

Something I've already thought of.

I've tried the script only on the command line to check whether the previous
Error still occurs.

Actually, I call the script on the above links.
But I still get a blank map.
This surprises me because nik2img.py creates a correct map with the same XML file.

manelclos · 2010-12-21T09:57:49Z

Try the above links with EXCEPTIONS=application/vnd.ogc.se_xml to see if you get more info. Also, check with -e option in nik2img that the coordinates are ok.

If you still get the blank image, can you upload the xml and some data you are using?

Witchmaster · 2010-12-21T10:55:17Z

Okay i have changed the EXCEPTIONS Parameter but i get still a blank map.
Then i have checked the Extent with nik2img (used the coordinates from link). But the Map wich nik2img created is fine.
http://www6.pic-upload.de/21.12.10/sydp8zxucjp2.png

So here is my XML file.
Fyi: I have a Postgis DB where OSM Entries from Saxony-Anhalt/Germany are deposited.

Because i don't know how i can upload Files directly to this location, i have used a free hoster. (Sorry)

http://www.file-upload.net/download-3066889/MAP.xml.html

manelclos · 2010-12-21T11:22:58Z

The mapfile.xml:

<!DOCTYPE Map>
<Map background-color="#ffffff" minimum_version="0.7.2">
  <Style name="Seen_Style">
    <Rule>
      <PolygonSymbolizer fill="rgb(151,193,190)"/>
      <LineSymbolizer stroke-linejoin="round" stroke="rgb(108,141,193)" stroke-width="1" stroke-linecap="round" stroke-opacity="1"/>
    </Rule>
  </Style>
  <Style name="Fluesse2_Style">
    <Rule>
      <PolygonSymbolizer fill="rgb(151,193,190)"/>
      <LineSymbolizer stroke-linejoin="round" stroke="rgb(151,193,190)" stroke-width="1" stroke-linecap="round" stroke-opacity="1"/>
    </Rule>
  </Style>
  <Style name="Fluesse_Style">
    <Rule>
      <LineSymbolizer stroke-linejoin="round" stroke="rgb(151,193,190)" stroke-width="1" stroke-linecap="round" stroke-opacity="1"/>
    </Rule>
  </Style>
  <Style name="Kreise_Style">
    <Rule>
      <LineSymbolizer stroke-linejoin="round" stroke-opacity="1" stroke="rgb(161, 196, 151)" stroke-linecap="round" stroke-dasharray="5,3,2,3" stroke-width="1"/>
    </Rule>
  </Style>
  <Style name="Grenzen_Style">
    <Rule>
      <LineSymbolizer stroke-linejoin="round" stroke="rgb(161, 196, 151)" stroke-width="2" stroke-linecap="round" stroke-opacity="1"/>
    </Rule>
  </Style>
  <Layer name="Seen" status="on">
    <StyleName>Seen_Style</StyleName>
    <Datasource>
      <Parameter name="table">
        (SELECT osm_id, way FROM planet_polygon WHERE "natural" = 'water') AS line
        </Parameter>
      <Parameter name="type">postgis</Parameter>
      <Parameter name="password">password</Parameter>
      <Parameter name="host">localhost</Parameter>
      <Parameter name="port">5432</Parameter>
      <Parameter name="user">user</Parameter>
      <Parameter name="dbname">dbname</Parameter>
      <Parameter name="estimate_extent">true</Parameter>
    </Datasource>
  </Layer>
  <Layer name="Fluesse" status="on">
    <StyleName>Fluesse_Style</StyleName>
    <Datasource>
      <Parameter name="table">
        (SELECT osm_id, way FROM planet_roads WHERE "waterway" = 'stream' OR "waterway" = 'river') AS line
        </Parameter>
      <Parameter name="type">postgis</Parameter>
      <Parameter name="password">password</Parameter>
      <Parameter name="host">localhost</Parameter>
      <Parameter name="port">5432</Parameter>
      <Parameter name="user">user</Parameter>
      <Parameter name="dbname">dbname</Parameter>
      <Parameter name="estimate_extent">true</Parameter>
    </Datasource>
  </Layer>
  <Layer name="Fluesse" status="on">
    <StyleName>Fluesse2_Style</StyleName>
    <Datasource>
      <Parameter name="table">
        (SELECT osm_id, way FROM planet_polygon WHERE "waterway" = 'riverbank') AS line
        </Parameter>
      <Parameter name="type">postgis</Parameter>
      <Parameter name="password">password</Parameter>
      <Parameter name="host">localhost</Parameter>
      <Parameter name="port">5432</Parameter>
      <Parameter name="user">user</Parameter>
      <Parameter name="dbname">dbname</Parameter>
      <Parameter name="estimate_extent">true</Parameter>
    </Datasource>
  </Layer>
  <Layer name="Kreise" status="on">
    <StyleName>Kreise_Style</StyleName>
    <Datasource>
      <Parameter name="table">
        (SELECT osm_id, way FROM planet_roads WHERE "boundary" = 'administrative' AND "admin_level" = '6') AS line
        </Parameter>
      <Parameter name="type">postgis</Parameter>
      <Parameter name="password">password</Parameter>
      <Parameter name="host">localhost</Parameter>
      <Parameter name="port">5432</Parameter>
      <Parameter name="user">user</Parameter>
      <Parameter name="dbname">dbname</Parameter>
      <Parameter name="estimate_extent">true</Parameter>
    </Datasource>
  </Layer>
  <Layer name="Grenzen" status="on">
    <StyleName>Grenzen_Style</StyleName>
    <Datasource>
      <Parameter name="table">
        (SELECT osm_id, way FROM planet_roads WHERE "boundary" = 'administrative' AND "admin_level" = '4') AS line
        </Parameter>
      <Parameter name="type">postgis</Parameter>
      <Parameter name="password">password</Parameter>
      <Parameter name="host">localhost</Parameter>
      <Parameter name="port">5432</Parameter>
      <Parameter name="user">user</Parameter>
      <Parameter name="dbname">dbname</Parameter>
      <Parameter name="estimate_extent">true</Parameter>
    </Datasource>
  </Layer>
</Map>

manelclos · 2010-12-21T11:27:25Z

Try to ask for all layers:

http://server-adress/cgi-bin/wms.py?LAYERS=**all**&FORMAT=image/png&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&SRS=EPSG:31467&BBOX=1174230.18,6609567.76,1470790.31,6993198.51&WIDTH=450&HEIGHT=600

http://server-adress/cgi-bin/wms.py?LAYERS=Seen,Fluesse,Kreise,Grenzen&FORMAT=image/png&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&SRS=EPSG:31467&BBOX=1174230.18,6609567.76,1470790.31,6993198.51&WIDTH=450&HEIGHT=600

Also, Fluesse Layer name is duplicated.

Witchmaster · 2010-12-21T13:01:13Z

Now i have changed the Layers "Fluesse" to "Fluesse1" and "Fluesse2" and started both requests you mentioned above. But i get still a blank white map.

I'm helpless.

manelclos · 2010-12-21T18:06:25Z

You need to add the SRS to your OSM layers:
<Layer .... srs="+init=epsg:900913">

Check with nik2img -v which "Long/lat extent of all layers" are you getting.

Paste your GetCapabilities if you still have problems:
http://server-address/cgi-bin/wms.py?request=GetCapabilities&service=WMS&Version=1.3.0

Witchmaster · 2010-12-21T21:01:16Z

Wow now it runs without any problems.
The problem was the missing projection in the XML file.
Thank you very much for your help.
You makes a very good job.Keep it up.

Yours sincerely,
Witch

manelclos · 2010-12-21T21:56:46Z

Thanks to you for reporting the initial bug ;)

This issue was closed.

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Problems with OGCServer #7

Problems with OGCServer #7

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Problems with OGCServer #7

Problems with OGCServer #7

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