[MS4W-Users] Getting blank tiles in google maps

[Brent Fraser]

Have a look at GeoMoose.org for a sample application.  Go to osgeo.org 
for general info on Open Source GIS.  Get Tyler Mitchel's book "Web 
Mapping Illustrated".

Good Luck!

Best Regards,
Brent Fraser


On 9/8/2011 11:58 PM, vaibhavgarg wrote:
> woohooo High Five!
>
> The map renders now and I am glad to have reached the first step.
>
> For this project the end requirements are rather complex and I am 
> bound to have trouble due to lack of knowledge and difficultly in 
> finding information online.
>
> Can you give me some advice on how to learn more about Projections and 
> GIS is general, books, online resources etc as I look forward to doing 
> a lot more mapping work.
>
>
> Thanks once again Brent.
>
> Warm regards,
> Vaibhav G
>
>
> On Fri, Sep 9, 2011 at 1:55 AM, Brent Fraser [via OSGeo.org] <[hidden 
> email] </user/SendEmail.jtp?type=node&node=6774941&i=0>> wrote:
>
>     Your extents and units are wrong.  They must be valid for the
>     projection specified.  Change to
>
>     UNITS METERS
>
>     and remove the LAYER EXTENTS.
>
>     Best Regards,
>     Brent Fraser
>
>
>     On 9/8/2011 2:20 PM, vaibhavgarg wrote:
>>     *Ok now it is back to the empty tiles.. here is what the map file
>>     looks like:
>>     That other error shows up anytime I specify a unknown
>>     projection..a side product maybe. *
>>
>>     MAP
>>        NAME WMS_Server
>>        SIZE 256 256
>>        UNITS dd
>>        EXTENT -2.290993 50.833757 -1.766036 51.105957
>>        FONTSET '../etc/fonts.txt'
>>        SYMBOLSET '../etc/symbols.txt'
>>        STATUS ON
>>        PROJECTION
>>            "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"
>>        END
>>        IMAGECOLOR 255 255 255
>>        IMAGEQUALITY 95
>>        IMAGETYPE png
>>        OUTPUTFORMAT
>>          NAME png
>>          DRIVER 'GD/PNG'
>>          MIMETYPE 'image/png'
>>          IMAGEMODE RGB
>>          EXTENSION 'png'
>>        END
>>
>>        WEB
>>          IMAGEPATH '/tmp/ms_tmp/'
>>          IMAGEURL '/tmp/'
>>          METADATA
>>            'wms_title'           'Hampshire'
>>            'wms_onlineresource'  'http://localhost:8088/cgi-bin/mapserv.exe?map=C:/ms4w/apps/gmap/htdocs/hampshire.map'
>>            'wms_srs'             'EPSG:4326'
>>            'wms_enable_request'  '*'
>>          END
>>          TEMPLATE 'fooOnlyForWMSGetFeatureInfo'
>>        END
>>
>>        LAYER
>>          NAME 'HampshireAreas'
>>          TYPE POLYGON
>>     	DEBUG ON
>>          TEMPLATE fooOnlyForWMSGetFeatureInfo
>>          EXTENT -2.290993 50.833757 -1.766036 51.105957
>>          DATA 'C:/ms4w/apps/gmap/data/HampshireAreas.shp'
>>          METADATA
>>            'wms_title' 'HampshireAreas'
>>          END
>>          PROJECTION
>>     	"proj=tmerc"
>>     	"lat_0=49"
>>     	"lon_0=-2"
>>     	"k=0.9996012717"
>>     	"x_0=400000"
>>     	"y_0=-100000"
>>     	"ellps=airy"
>>     	"datum=OSGB36"
>>     	"units=m"
>>     	"no_defs"
>>          END
>>          STATUS DEFAULT
>>          CLASS
>>             NAME 'HampshireAreas'
>>             STYLE
>>               WIDTH 0.91
>>               OUTLINECOLOR 0 0 0
>>               COLOR 73 135 43
>>             END
>>          END
>>        END
>>     END
>>
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>>     View this message in context: Re: Getting blank tiles in google
>>     maps
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>>
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