[mapserver-users] Trouble with mode=tile

Paul Ramsey pramsey at cleverelephant.ca
Thu Jan 8 22:28:30 PST 2009 

Sorry life has intervened... :/ Still on my to-do list though...

Actually, to ensure it never falls off, if you ticket it with your map
file as an attachment and cc: me on the ticket, I'll not lose it.

P

On Thu, Jan 8, 2009 at 5:54 AM, Dave Rafkind
<drafkind at traversetechnologies.com> wrote:
> Say, was there any final answer on the tile stuff (ie was I doing it wrong
> somehow)?
>
> Thanks!
> Dave
>
> Dave Rafkind wrote:
>>
>> Map file is at the bottom of this email, world shapefile is the popular
>> "world_adm0" , can be gotten from here:
>>
>> http://www.cipotato.org/diva/data/misc/world_adm0.zip
>>
>> Paul Ramsey wrote:
>>>
>>> QGIS doesn't know anything about the SRS of your shape file.
>>> If you share your Shape file and Map file, then we can either
>>> reproduce your bug or confirm you are doing something wrong and tell
>>> you what that something is.
>>>
>>> Paul
>>>
>>> On Fri, Jan 2, 2009 at 1:12 PM, Dave Rafkind
>>> <drafkind at traversetechnologies.com> wrote:
>>>
>>>>
>>>> Hi, thanks for your reply. Results follow:
>>>>
>>>> I can't remove the PROJECTION block, otherwise I get this error from
>>>> mapserver:
>>>> msTileSetProjectionst(): WMS server error. Cannot set new SRS on a map
>>>> that
>>>> doesn't have any projection set. Please make sure your mapfile has a
>>>> PROJECTION defined at the top level.
>>>>
>>>> QGis thinks this is the spatial information for my test shapefile, this
>>>> is
>>>> 4326 (basically unprojected), right?
>>>> +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs
>>>>
>>>> If I have the PROJECTION block in the mapfile, I can indeed see tiles of
>>>> some kind, but it looks like each tile overlaps in its spatial extent.
>>>>
>>>> See attached for "wrong" results..I changed some of the colors so it
>>>> would
>>>> be more obvious.
>>>>
>>>>
>>>>
>>>>
>>>> Paul Ramsey wrote:
>>>>
>>>>>
>>>>> Dave,
>>>>>
>>>>> - Remove the PROJECTION block from the MAP level (leave the one at the
>>>>> LAYER level). Tile mode constructs its own output projection object,
>>>>> it doesn't need map file configuration for the output projection, just
>>>>> the inputs.
>>>>> - Confirm that the shape file you are using *is* in fact epsg:4326
>>>>> - Try manually accessing the service using tile=0 or tile=1, and see
>>>>> what comes back
>>>>> - Show some pictures of "wrong" in your next mail
>>>>>
>>>>> P.
>>>>>
>>>>> On Fri, Jan 2, 2009 at 12:06 PM, Dave Rafkind
>>>>> <drafkind at traversetechnologies.com> wrote:
>>>>>
>>>>>
>>>>>>
>>>>>> Thanks for the suggestions, but I don't think that's quite it:
>>>>>>
>>>>>> 1 - removing "epsg:4326" from the wms_srs part of the mapfile didn't
>>>>>> fix
>>>>>> it
>>>>>> 2 - adding "&SRS=EPSG:900913" to the Virtual Earth "tileSource" string
>>>>>> didn't fix it
>>>>>>
>>>>>> Is there anything else I can try?
>>>>>>
>>>>>>
>>>>>> Fawcett, David wrote:
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> Dave,
>>>>>>> I am not sure if this is it, but in your WMS request, you are not
>>>>>>> specifying a SRS.  You are advertising two SRS' in your WEB WMS
>>>>>>> "wms_srs" metadata.  I wonder if MapServer is just defaulting to the
>>>>>>> first SRS in your list in the absence of an explicit request?
>>>>>>> David.
>>>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: mapserver-users-bounces at lists.osgeo.org
>>>>>>> [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Dave
>>>>>>> Rafkind
>>>>>>> Sent: Friday, January 02, 2009 12:39 PM
>>>>>>> To: mapserver-users at lists.osgeo.org
>>>>>>> Subject: [mapserver-users] Trouble with mode=tile
>>>>>>>
>>>>>>>
>>>>>>> Hi list, I'm using the latest ms4w on a windows XP box. When trying
>>>>>>> to
>>>>>>> use
>>>>>>> mapserver's tile mode in a Virtual Earth or Google Maps control, it
>>>>>>> looks totally wrong (like the wrong projection is being used
>>>>>>> perhaps?).
>>>>>>> What is the right way to go about this?
>>>>>>>
>>>>>>> Here's mapserver.exe -v:
>>>>>>>
>>>>>>> C:\ms4w\Apache\cgi-bin>mapserv -v
>>>>>>> MapServer version 5.2.1 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP
>>>>>>> OUTPUT=PDF
>>>>>>>  OUTPUT=SWF OUTPUT=SVG SUPPORTS=PROJ SUPPORTS=AGG SUPPORTS=FREETYPE
>>>>>>> SUPPORTS=ICO
>>>>>>> NV SUPPORTS=FRIBIDI SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT
>>>>>>> SUPPORTS=WFS_SERVER
>>>>>>> SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER SUPPORTS=SOS_SERVER
>>>>>>> SUPPORTS=FASTCGI SUP
>>>>>>> PORTS=THREADS SUPPORTS=GEOS SUPPORTS=RGBA_PNG INPUT=JPEG
>>>>>>> INPUT=POSTGIS
>>>>>>> INPUT=OGR
>>>>>>>  INPUT=GDAL INPUT=SHAPEFILE
>>>>>>>
>>>>>>> Here's the relevant part of my web page with the map control:
>>>>>>>      map=new VEMap('myMap');
>>>>>>>      // ...
>>>>>>>      var layerId = "myCustomTileLayer";
>>>>>>>      var tileSource =
>>>>>>>
>>>>>>> "http://localhost/cgi-bin/mapserv.exe?map=/src/maps/mapdata/maps/dave1.m
>>>>>>> ap&layers=world&mode=tile&tilemode=ve&tile=%4";
>>>>>>>      var tileSourceSpec = new VETileSourceSpecification(layerId,
>>>>>>> tileSource);
>>>>>>>      // ...
>>>>>>>
>>>>>>> Here's the last line of my EPSG file (from c:\ms4w\proj\nad\epsg)
>>>>>>>      # google/virtual earth spherical mercator
>>>>>>>      <900913> +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0
>>>>>>>
>>>>>>> +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs <>
>>>>>>>
>>>>>>>
>>>>>>> And here's my map file:
>>>>>>> MAP
>>>>>>>  IMAGETYPE      PNG
>>>>>>>  OUTPUTFORMAT
>>>>>>>  NAME png
>>>>>>>  DRIVER "GD/PNG"
>>>>>>>  MIMETYPE "image/png"
>>>>>>>  IMAGEMODE RGBA
>>>>>>>  EXTENSION "png"
>>>>>>>  TRANSPARENT ON
>>>>>>>  END
>>>>>>>
>>>>>>>  SHAPEPATH      "/src/maps/mapdata"
>>>>>>>  FONTSET     "/src/maps/mapdata/fonts.list"
>>>>>>>  IMAGECOLOR     0 0 0
>>>>>>>
>>>>>>>  WEB
>>>>>>>  METADATA
>>>>>>>  "wms_title"           "WMS Demo Server"
>>>>>>>  "wms_onlineresource"
>>>>>>>
>>>>>>>
>>>>>>>  "http://localhost/cgi-bin/mapserv.exe?map=/src/maps/mapdata/maps/dave1.m
>>>>>>> ap&"
>>>>>>>  "wms_srs"             "EPSG:4326 EPSG:900913"
>>>>>>>  END
>>>>>>> END
>>>>>>>
>>>>>>>    PROJECTION
>>>>>>>    "init=epsg:900913"
>>>>>>>  END
>>>>>>>
>>>>>>>  SYMBOL
>>>>>>>  name "circle"
>>>>>>>  type ellipse
>>>>>>>  filled true
>>>>>>>  POINTS 1 1 END
>>>>>>>  END
>>>>>>>
>>>>>>>  SYMBOL
>>>>>>>  NAME 'dashed1'
>>>>>>>  TYPE ELLIPSE
>>>>>>>  POINTS 1 1 END
>>>>>>>  FILLED true
>>>>>>>  STYLE 4 4 END
>>>>>>>  END
>>>>>>>
>>>>>>>  SYMBOL
>>>>>>>  NAME 'railway'
>>>>>>>  TYPE cartoline
>>>>>>>  LINECAP butt
>>>>>>>  LINEJOIN miter
>>>>>>>  LINEJOINMAXSIZE 3
>>>>>>>  STYLE
>>>>>>>    1 10 1 10
>>>>>>>  END
>>>>>>>  END
>>>>>>>
>>>>>>>  LAYER
>>>>>>>  PROJECTION
>>>>>>>    "init=epsg:4326"
>>>>>>>  END
>>>>>>>  NAME         world
>>>>>>>  DATA     "world/world_adm0.shp"
>>>>>>>  STATUS OFF
>>>>>>>  TYPE         LINE
>>>>>>>  LABELITEM     "REGION"
>>>>>>>  CLASS
>>>>>>>    STYLE
>>>>>>>              COLOR 255 255 255
>>>>>>>              OUTLINECOLOR 0 0 0
>>>>>>>    END
>>>>>>>    LABEL
>>>>>>>      COLOR 0 0 0
>>>>>>>      OUTLINECOLOR 255 255 255
>>>>>>>      TYPE TRUETYPE
>>>>>>>      FONT arial
>>>>>>>      SIZE 9
>>>>>>>      ANTIALIAS TRUE
>>>>>>>      PARTIALS FALSE
>>>>>>>      MINDISTANCE 250
>>>>>>>      BUFFER 4
>>>>>>>    END
>>>>>>>  END
>>>>>>>  END
>>>>>>> END
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>>
>>>>>>
>>>>>>
>>>>
>>>>
>>
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>
>

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