[mapserver-users] LAYER example for kernerdensity wanted

[Rahkonen Jukka (Tike)]

Hi Thomas,

I have the newest MS4W on the bottom. Then I have downloaded 32-bit GDAL-Mapserver development zip from gisinternals.com http://gisinternals.com/sdk/PackageList.aspx?file=release-1600-gdal-mapserver.zip and changed the contents of the cgi-bin directory by copying all the .dll files from \bin and mapserv.exe from \bin\ms\apps of the gisinternals package. I have no idea about how safe this method is or if it works with PHP MapScript at all. I have only tried to test new features introduced after Mapserver v. 6.2 through WMS.

It can well be that my trouble with kerneldensity map is caused by some mismatch with MS4W and the newer components and therefore I would like to see a mapfile that works for someone on some platform with that easily available point data.

-Jukka Rahkonen-

Thomas RAFFIN wrote:

Hi,

Could you tell me how you have install / compile MS 6.5-dev on Windows please?
does it works with Apache and PHP (PHP MapScript) ?

Thanks,

Thomas
Le 27/09/2014 21:51, Rahkonen Jukka (Tike) a écrit :

Hi,



I am running MapServer version 6.5-dev on Windows and I suppose it has the support for kerneldensity layers. Could someone show the LAYER part that works with the Natural Earth populated places dataset http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_populated_places.zip<http://www.naturalearthdata.com/http/www.naturalearthdata.com/download/10m/cultural/ne_10m_populated_places.zip>? I have created .qix index but not touched the data in other ways.



I have indeed managed to get some coloured stripes out at some scales but what I mostly get is Internal server error (http 500). MS_ERRORFILE does not show any errors and Apache error log is probably recording just this:

[Sat Sep 27 21:57:27 2014] [error] [client 127.0.0.1] Premature end of script headers: mapserv.exe



My current LAYER (or layers, one for data and one for kerneldensity):



LAYER

NAME "points"

DATA "c:\data\ne\ne_10m_populated_places"

TYPE POINT

    STATUS ON

    PROJECTION

        "init=epsg:4326"

    END

    debug 5

    CLASS

       STYLE

                   SIZE 5

                   SYMBOL "circle"

                   COLOR 200 200 200

                   OUTLINECOLOR 0 0 0

        END

    END

END

layer

    name "heatmap"

    type raster

    connectiontype kerneldensity

    connection "points"

    status on

    debug 5

    #processing "RANGE_COLORSPACE=HSL"

    processing "KERNELDENSITY_RADIUS=20"

    processing "KERNELDENSITY_ATTRIBUTE=RANK_MIN"

    #processing "KERNELDENSITY_COMPUTE_BORDERS=ON"

    processing "KERNELDENSITY_NORMALIZATION=AUTO"

    offsite 0 0 0

    class

      style

        COLORRANGE  "#0000ff00"  "#0000ffff"

        DATARANGE 0 32

      end

      style

        COLORRANGE  "#0000ffff"  "#ff0000ff"

        DATARANGE 32 255

      end

    end

  end



What I have tried so far has been to comment out this and that but result seems to be always the same.



-Jukka Rahkonen-

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--

Thomas RAFFIN
Chef de Projet Internet
traffin at sirap.fr<mailto:traffin at sirap.fr>

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Fax : 04 75 70 07 98
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