[Mapserver-users] Graphical output errors with mercator projection
Sebastian Albrecht
api at justapi.de
Tue Nov 18 08:08:39 PST 2003
Hello, me again ;)
I have programmed a mapserver-demo-like web interface using
PHP/mapscript so far. It should be possible to change to a few other
projections.
The problem is the mercator projection that does not work at all.
Here you can see three images containing the output of mercator and a
nasty graphical error:
http://justapi.de/mapserv/
Why does mapserver show these strange errors and how can I make them
disappear?
Regards,
Sebastian Albrecht
As you can see in the following map file (shortened) I have two
layers, a world coast line (projected in latlong/kartesian) and a
grid:
# Start of map file
NAME Mapserver
STATUS ON
EXTENT -180 -150 180 150
SIZE 600 500
UNITS DD
SHAPEPATH "./data"
IMAGECOLOR 65 125 200
DEBUG TRUE
IMAGETYPE png
PROJECTION
"proj=merc"
"ellps=WGS84"
END
#-----------------------------------------------------------
LAYER
NAME "coastlines"
TYPE POLYGON
STATUS DEFAULT
DATA cntry00
PROJECTION
"proj=latlong"
"ellps=WGS84"
END
CLASSITEM "CNTRY_NAME"
CLASS
NAME "Länder"
EXPRESSION /[ADGJMPSVY]./
OUTLINECOLOR 80 80 40
COLOR 230 230 150
END
CLASS
EXPRESSION /[BEHKNQTWZ]./
OUTLINECOLOR 80 80 40
COLOR 220 220 140
END
CLASS
EXPRESSION /./
OUTLINECOLOR 80 80 40
COLOR 200 200 120
END
END
LAYER
NAME "grid"
TYPE LINE
STATUS default
PROJECTION
"proj=latlong"
"ellps=WGS84"
END
GRID
MINARCS 2
MAXARCS 10
LABELFORMAT "%5.5f"
END
CLASS
SYMBOL "dashed_line"
COLOR 170 170 200
LABEL
TYPE BITMAP
SIZE SMALL
COLOR 200 200 230
SHADOWCOLOR 100 100 130
END
END
END
END # Map File
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