[mapserver-users] Trouble with mode=tile
Dave Rafkind
drafkind at traversetechnologies.com
Fri Jan 2 16:20:28 EST 2009
Ahh, image hosted here:
http://farm4.static.flickr.com/3115/3161140430_b1577f81bf_o.jpg
Dave Rafkind 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
>>>>
>>>>
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>>>
>
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