[mapserver-users] LAYER example for kernerdensity wanted

Mon Sep 29 02:22:06 PDT 2014

Thanks Thomas,

Now I know for sure that my Mapserver just can’t handle it. With that mapfile and the pnts.shp file it is using all I get is still “Premature end of script headers: mapserv.exe”. I will test again when I get a proper Mapserver 6.5 / 7.0 Windows build in my hands.

-Jukka-

thomas bonfort wrote:

Jukka,
The msautotest suite has some heatmap examples you can work from: https://github.com/mapserver/msautotest/blob/master/gdal/heat.map

--
thomas

On 29 September 2014 10:17, Rahkonen Jukka (Tike) <jukka.rahkonen at mmmtike.fi<mailto:jukka.rahkonen at mmmtike.fi>> wrote:
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> 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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