Re: [mapserver-users] Customized layer for Mapserver/Kamap
Thank you very much Florin! This code is very useful, is not exactly what I needs but gives me orientation about how to implement my mapfile. 2008/5/14 Florin A. [EMAIL PROTECTED]: Hi, In your mapfile you define the layers and the colors. See example below. If you have an SRID (projection) for the layer use it. You can see what it is by selecting this sql in pgadmin: select srid(the_geom) from cities) . Use the number you get here in the mapserver layer definition and in the projection definition as well. If you loaded the cities with shp2pgsql then you should automatically have a gid field on the cities table. And your cities table should have a population field the type of which should be some kind of number. LAYER METADATA wms_title Cities layer END NAME cities TRANSPARENCY 100 CONNECTIONTYPE postgis CONNECTION host=??? user=??? dbname=??? password='???' DATA the_geom from cities using srid=??? USING UNIQUE gid TYPE POLYGON CLASS NAME Small cities EXPRESSION ( [population] 5) COLOR 0 255 0 END CLASS NAME Medium cities EXPRESSION ([population] 5 AND [population] 150 ) COLOR 255 255 0 END CLASS NAME Big cities EXPRESSION ([population] 150 ) COLOR 255 0 0 END END Hope this helps, Florin -- Emilio ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
Re: [mapserver-users] Customized layer for Mapserver/Kamap
Hi, In your mapfile you define the layers and the colors. See example below. If you have an SRID (projection) for the layer use it. You can see what it is by selecting this sql in pgadmin: select srid(the_geom) from cities) . Use the number you get here in the mapserver layer definition and in the projection definition as well. If you loaded the cities with shp2pgsql then you should automatically have a gid field on the cities table. And your cities table should have a population field the type of which should be some kind of number. LAYER METADATA wms_title Cities layer END NAME cities TRANSPARENCY 100 CONNECTIONTYPE postgis CONNECTION host=??? user=??? dbname=??? password='???' DATA the_geom from cities using srid=??? USING UNIQUE gid TYPE POLYGON CLASS NAME Small cities EXPRESSION ( [population] 5) COLOR 0 255 0 END CLASS NAME Medium cities EXPRESSION ([population] 5 AND [population] 150 ) COLOR 255 255 0 END CLASS NAME Big cities EXPRESSION ([population] 150 ) COLOR 255 0 0 END END Hope this helps, Florin ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
Re: [mapserver-users] Customized layer for Mapserver/Kamap
Hi Florin, I have a layer with polygons representing cities (stored in PostGIS), and my idea is to set the colour of these polygons in function of variables like 'population', as I show on my last e-mail. I'm going to use the same colour for all the polygons, but the colour of the polygon Barcelona will be lighter than the colour of the polygon Madrid, because Madrid has more population. The problem is basically how can I relate the numeric variables like population with the geometry of every city? If I can do this I supose that setting the colour will be not a big problem. Thank you very much! 2008/5/13 Florin A. [EMAIL PROTECTED]: Hi, Kamap was designed to only take Mapserver input, yes. Mapserver will take most formats. You can have data in shapefiles, in a database, a raster image, or in a text file. Do you have polygons for the cities or do you want to just draw a circle at their lat/long ? On Mon, May 12, 2008 at 4:20 PM, Emilio Ponce [EMAIL PROTECTED] wrote: Hi everyone, I'm working with mapserver using ka-map. Now I'm trying to create a new layer over the others using alphanumeric data, and I was wondering what's the best method. My idea is to represent this data with a colour gradient. For example if the data are like this: City Population --- Barcelona 400 Madrid 700 I want to represent the Barcelona area with a light red colour, and Madrid with a darker red. Someone told me that the only input to Ka-map is mapserver, and mapserver uses GDAL/OGR library for this kind of tasks... so what is the best kind of input format using this library? And in order to represent the data with the colour gradient, where I have to link the alphanumeric data (e.g 400) with the colour (e.g. dark red)? Thank you very much guys! ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users -- Emilio ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Customized layer for Mapserver/Kamap
Hi everyone, I'm working with mapserver using ka-map. Now I'm trying to create a new layer over the others using alphanumeric data, and I was wondering what's the best method. My idea is to represent this data with a colour gradient. For example if the data are like this: City Population --- Barcelona 400 Madrid 700 I want to represent the Barcelona area with a light red colour, and Madrid with a darker red. Someone told me that the only input to Ka-map is mapserver, and mapserver uses GDAL/OGR library for this kind of tasks... so what is the best kind of input format using this library? And in order to represent the data with the colour gradient, where I have to link the alphanumeric data (e.g 400) with the colour (e.g. dark red)? Thank you very much guys! ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
Re: [mapserver-users] Customized layer for Mapserver/Kamap
Hi, Kamap was designed to only take Mapserver input, yes. Mapserver will take most formats. You can have data in shapefiles, in a database, a raster image, or in a text file. Do you have polygons for the cities or do you want to just draw a circle at their lat/long ? On Mon, May 12, 2008 at 4:20 PM, Emilio Ponce [EMAIL PROTECTED] wrote: Hi everyone, I'm working with mapserver using ka-map. Now I'm trying to create a new layer over the others using alphanumeric data, and I was wondering what's the best method. My idea is to represent this data with a colour gradient. For example if the data are like this: City Population --- Barcelona 400 Madrid 700 I want to represent the Barcelona area with a light red colour, and Madrid with a darker red. Someone told me that the only input to Ka-map is mapserver, and mapserver uses GDAL/OGR library for this kind of tasks... so what is the best kind of input format using this library? And in order to represent the data with the colour gradient, where I have to link the alphanumeric data (e.g 400) with the colour (e.g. dark red)? Thank you very much guys! ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
