[mapserver-users] Multiple projection problem
Matthew Hatcher
MJHatcher@space.qinetiq.com
Thu, 15 Aug 2002 10:39:56 +0100
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Hi people,
I'm having problems with using different projections in MapServer. If I try
and merge data in different projections, the datasets requiring reprojecting
don't get displayed.
I am using the NT MapServer 3.6.1 binary compiled with GDAL and PROJ4
support. My WMS default projection is lat/long, but I have datasets in UK
National Grid (epsg:27700) which it should be possible to reproject.
I'm having this problem with both rasters and vectors, but I've only
included my vector map file below.
Help would be appreciated!!
Matt Hatcher.
--- map file ---
#
# Start of map file
#
NAME MAIN
STATUS ON
SIZE 600 350
EXTENT -140570 -33340 956950 606250 # osgb
UNITS METERS
SHAPEPATH "data"
IMAGECOLOR 192 192 192
# you may need to change this to match your MapServer build
#IMAGETYPE PNG
#
# Projection definition, consult the PROJ.4 documentation for parameter
discussion
#
PROJECTION
"init=epsg:4326"
END
#
# Start of web interface definition (including WMS enabling metadata)
#
WEB
TEMPLATE test.html
MINSCALE 1000
MAXSCALE 7000000
IMAGEPATH "w:\wwwroot\tmp\"
IMAGEURL "/tmp/"
METADATA
WMS_TITLE "foo"
WMS_ACCESSCONSTRAINTS none
# change this value to match your setup
WMS_ONLINERESOURCE "foo"
WMS_SRS "EPSG:27700 EPSG:4326" # OSGB and lat/long
END
END
#
# Start of layer definitions
#
LAYER
NAME "uk_osgb"
TYPE LINE
STATUS DEFAULT
DATA uk_osgb
GROUP uk_osgb
CLASS
COLOR 0 0 128
END
METADATA
WMS_TITLE "UK outline"
WMS_ABSTRACT "Boundary of UK region"
WMS_GROUP_TITLE "UK boundaries"
WMS_SRS "EPSG:27700 EPSG:4326"
END
PROJECTION
"init=epsg:27700"
END
END
END # Map File
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Content-Transfer-Encoding: quoted-printable
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; charset=3DISO-8859-=
1">
<META content=3D"MSHTML 5.50.4807.2300" name=3DGENERATOR></HEAD>
<BODY bgColor=3D#ffffff>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma size=3D2>Hi=20
people,</FONT></SPAN></DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma size=3D2>I'm havi=
ng problems=20
with using different projections in MapServer. If I try and merge data in=
different projections, the datasets requiring reprojecting don't get=20
displayed.</FONT></SPAN></DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma size=3D2>I am usi=
ng the NT=20
MapServer 3.6.1 binary compiled with GDAL and PROJ4 support. My WMS default=
projection is lat/long, but I have datasets in UK National Grid (epsg:2770=
0)=20
which it should be possible to reproject.</FONT></SPAN></DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma size=3D2>I'm havi=
ng this=20
problem with both rasters and vectors, but I've only included my vector map=
file=20
below.</FONT></SPAN></DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma size=3D2>Help wou=
ld be=20
appreciated!!</FONT></SPAN></DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma size=3D2>Matt=20
Hatcher.</FONT></SPAN></DIV>
<DIV><FONT face=3DTahoma size=3D2></FONT> </DIV>
<DIV><FONT face=3DTahoma size=3D2></FONT> </DIV>
<DIV><FONT face=3DTahoma size=3D2></FONT> </DIV>
<DIV><SPAN class=3D500133709-15082002><FONT face=3DTahoma size=3D2>--- map =
file=20
---</FONT></SPAN></DIV>
<DIV><SPAN class=3D500133709-15082002><XMP>#
# Start of map file
#
NAME MAIN
STATUS ON
SIZE 600 350
EXTENT -140570 -33340 956950 606250=A0=A0=A0 # osgb
UNITS METERS
SHAPEPATH "data"
IMAGECOLOR 192 192 192
# you may need to change this to match your MapServer build
#IMAGETYPE PNG
#
# Projection definition, consult the PROJ.4 documentation for parameter dis=
cussion
#
PROJECTION
"init=3Depsg:4326"
END
#
# Start of web interface definition (including WMS enabling metadata)
#
WEB
TEMPLATE test.html
MINSCALE 1000
MAXSCALE 7000000
IMAGEPATH "w:\wwwroot\tmp\"
IMAGEURL "/tmp/"
METADATA
WMS_TITLE "foo"
WMS_ACCESSCONSTRAINTS none
# change this value to match your setup
WMS_ONLINERESOURCE "foo"
WMS_SRS "EPSG:27700 EPSG:4326" # OSGB and lat/long
END
END
#
# Start of layer definitions
#
LAYER
NAME "uk_osgb"
TYPE LINE
STATUS DEFAULT
DATA uk_osgb
GROUP uk_osgb
CLASS
COLOR 0 0 128
END
METADATA
WMS_TITLE "UK outline"
WMS_ABSTRACT "Boundary of UK region"
WMS_GROUP_TITLE "UK boundaries"
WMS_SRS "EPSG:27700 EPSG:4326"
END
=20
PROJECTION
"init=3Depsg:27700"
END
END
END # Map File
</XMP></SPAN></DIV>
<DIV><FONT face=3DTahoma size=3D2></FONT> </DIV><CODE><FONT SIZE=3D3><=
BR>
<BR>
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information is prohibited and may be unlawful.<BR>
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