[mapserver-users] Disappearing point in a map

[Steve Lime]

What happens if you use a point layer instead of an annotation layer? Annotation disappears if label
collisions happen.

Steve

>>> On 10/10/2008 at 4:53 PM, in message <006f01c92b22$927148f0$b753dad0$@com>,
"Chip Taylor" <work at xwb.com> wrote:
> I have a map where I pass in the information about a point via the URL. I am
> using mapserver version 5.2 on a Windows Server 2000.  In some cases the
> point just does not appear.  For example, the map extents of
> -78.9043321338311+35.0222546417047+-78.8914558661689+35.0367113582953 will
> not show a point at -78.897894, 35.029483 and yet a map extents of
> -78.9041121338311+35.0222546417047+-78.8912358661689+35.0367113582953 will
> show the point of -78.897674, 35.029483, less than 300 linear feet away.
> 
> Here is the URL passing in the first example:
> 
> https://devmap/bin/mapserv.exe?mode=map&map=map_files/US.map&mapsize=580 
> 475&map_MyPoint_feature=new&map.layer[MyPoint]=feature+points+-78.897894+35.
> 029483+END+TEXT+%27Secondary%20Building%27END&layers=roads&mapext=-78.904332
> 1338311+35.0222546417047+-78.8914558661689+35.0367113582953&program=%2Fbin%2
> Fmapserv.exe
> 
> And here is the mapfile:
> 
> 
> MAP
>   NAME "US"
>   STATUS ON
>   UNITS DD
> EXTENT -127.00 43.00 -115.00 50.00
> SIZE 500 400
> IMAGECOLOR 156 188 217
> IMAGETYPE png
>   SYMBOLSET "../etc/NAVsymbols.sym"
>   SHAPEPATH "../Shape_Files/navteq_data/"
>   FONTSET "../etc/fonts.txt"
>   Include "InlineSyms.map"
> 
> ##################################### 
> # Symbol for drawing Star
> #
> Symbol
> NAME 'Star'
> TYPE VECTOR
> FILLED true
>    POINTS
> 	0     0.375
> 	0.35  0.375
> 	0.5   0
> 	0.65  0.375
> 	1     0.375
> 	0.75  0.625
> 	0.875 1
> 	0.5   0.75
> 	0.125 1
> 	0.25  0.625
>    END
> END
> 
> ##################################### 
>   # ==================================================
>   # Web Interface Definition
>   # ==================================================
>   WEB
>     # the following "preset_scales" metadata is a list of specific scales
> that
>     # the mapfile is configured for.  These values are not used, but can be
>     # placed in other applications such as ka-Map
> (http://ka-map.maptools.org/)
>     METADATA
>       "preset_scales"
> "2500,7500,12000,17500,35000,75000,125000,200000,400000,750000,2000000,40000
> 00,7500000,15000000,30000000,60000000"
>     END
>     MINSCALE 1  # necessary for CGI point query
> 
>      TEMPLATE "../HTML_Files/sitemap.html"
>      IMAGEPATH 'd:/wwwroot/tmp/'
>      IMAGEURL "/tmp/"
>      LOG "d:/MapLogs/mapserver.log"
>      #ERROR "../maperror.htm"
> 
>   END
> 
>   # ==================================================
>   # Projection Definition
>   # ==================================================
>   PROJECTION
>     "init=epsg:4269"
>   END
> 
>  ##################################### 
> # MyPoint
> #
> LAYER
> NAME "MyPoint"
> TYPE Annotation
> STATUS DEFAULT
>  METADATA
>        "wms_title"    "MyPoint"  ##required
>   END
>  CLASS
>   COLOR -1 0 0
>    STYLE
> 	COLOR 255 0 0
> 	OUTLINECOLOR 255 255 0 
> 	SYMBOL 'star' 
> 	SIZE 20 
>        END
>         
>   LABEL
>     FONT "Arial"
>     TYPE TRUETYPE
>     ANTIALIAS TRUE
>     COLOR 0 0 0
>     BACKGROUNDCOLOR 220 220 220
>     OFFSET 10 0
>     SIZE 10
>     POSITION lr
>   END
>  END
> END
> END #mapfile
> 
> Any help would be greatly appreciated.
> 
> Chip Taylor
> Prepared Response, inc
> 
> 
> 
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