[Mapserver-users] Non-Rectangular Tiles in TILEINDEX ?
Bruce, Bob CON
BBruce at gov.mb.ca
Wed Apr 30 19:54:12 EDT 2003
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I have been experimenting with TILEINDEXs in order to evaluate their
functionality for my applications.
I have successfully displayed a TILEINDEX of 20 orthophotos in my browser.
Next I wanted to try displaying a set of project mapping areas and built an
index map of polygons of these areas. I included this index map as a
TILEINDEX in my map file and do not get anything displayed, instead I get a
blank display. This leads me to wonder if this is because my tile polygons
are non-rectangular. Does the Map Server require tiles to be rectangular or
can it work with irregularly shaped tiles? I have successfully displayed my
dataset that I'm using as a TILEINDEX as a line file, so I know that the
server will work with this file.
For your reference, I have included the definition of this layer:
LAYER # DLS Polys
NAME "DLSPolys"
TILEINDEX "TilesWWinnipeg_CARIS/TilesWWinnipeg"
TILEITEM "MAPKEY"
STATUS DEFAULT
TYPE POLYGON
CLASSITEM "MAPKEY"
CLASS # Whole DLS Parcel
STATUS ON
NAME "WHOLE DLSPOLY"
COLOR 255 202 149
OUTLINECOLOR 0 0 0
END # end of Whole DLS Parcel class object
END # end of layer object
thanks,
Bob Bruce
****************************************************************************
******************************
** Bob Bruce, P.Eng. Geomatics Support Engineer
** bbruce at gov.mb.ca Manitoba Geomatics/Remote Sensing Branch,
** work # (204) 945-6636 1007 Century Street,
** home # (204) 256-4615 Winnipeg, Manitoba, Canada, R3H 0W4
** FAX # (204) 945-1365
**
** The Manitoba Centre for:
** Cadastral & Topographical Mapping, and Remote Sensing
** See us on the Web at: http://www.gov.mb.ca/conservation/geomatics/
<http://www.gov.mb.ca/conservation/geomatics/cada_mapping/index.html>
cada_mapping/index.html
** and: http://www.gov.mb.ca/conservation/geomatics/index.html
<http://www.gov.mb.ca/conservation/geomatics/index.html>
** Check out our digital maps at: http:// <http://mli.gov.mb.ca/>
mli.gov.mb.ca/
****************************************************************************
******************************
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<DIV><SPAN class=941553123-30042003><FONT face=Arial size=2>I have been
experimenting with TILEINDEXs in order to evaluate their functionality for my
applications.</FONT></SPAN></DIV>
<DIV><SPAN class=941553123-30042003><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=941553123-30042003><FONT face=Arial size=2>I have successfully
displayed a TILEINDEX of 20 orthophotos in my browser.</FONT></SPAN></DIV>
<DIV><FONT face=Arial size=2></FONT><FONT face=Arial size=2></FONT><FONT
face=Arial size=2></FONT> </DIV>
<DIV><SPAN class=941553123-30042003><FONT face=Arial size=2>Next I wanted to try
displaying a set of project mapping areas and built an index map of polygons of
these areas. I included this index map as a TILEINDEX in my map file and do not
get anything displayed, instead I get a blank display. This leads me to wonder
if this is because my tile polygons are non-rectangular. Does the Map Server
require tiles to be rectangular or can it work with irregularly shaped tiles? I
have successfully displayed my dataset that I'm using as a TILEINDEX as a line
file, so I know that the server will work with this file.</FONT></SPAN></DIV>
<DIV><SPAN class=941553123-30042003><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=941553123-30042003><FONT face=Arial size=2>For your reference,
I have included the definition of this layer:</FONT></SPAN></DIV>
<DIV><SPAN class=941553123-30042003><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=941553123-30042003><FONT face=Arial size=2>LAYER # DLS
Polys<BR> NAME "DLSPolys"<BR> TILEINDEX
"TilesWWinnipeg_CARIS/TilesWWinnipeg"<BR> TILEITEM "MAPKEY"<BR>
STATUS DEFAULT<BR> TYPE POLYGON<BR> CLASSITEM "MAPKEY"<BR>
CLASS # Whole DLS Parcel<BR> STATUS ON<BR>
NAME "WHOLE DLSPOLY"<BR> COLOR 255 202
149<BR> OUTLINECOLOR 0 0 0<BR> END # end of Whole DLS
Parcel class object<BR>END # end of layer object<BR></FONT></SPAN></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=941553123-30042003>thanks,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=941553123-30042003>
Bob Bruce</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff><FONT face=Arial
size=1>**********************************************************************************************************</FONT>
<BR><FONT face=Arial size=1>** Bob Bruce, P.Eng.
Geomatics Support Engineer</FONT>
<BR><FONT face=Arial size=1>** bbruce at gov.mb.ca
Manitoba Geomatics/Remote Sensing
Branch,</FONT> <BR><FONT face=Arial size=1>** work # (204)
945-6636 1007
Century Street,</FONT> <BR><FONT face=Arial size=1>** home #
(204) 256-4615
Winnipeg, Manitoba, Canada, R3H
0W4</FONT> <BR><FONT face=Arial size=1>** FAX # (204)
945-1365
</FONT><BR><FONT face=Arial size=1>**</FONT> <BR><FONT face=Arial
size=1>** The Manitoba Centre for: </FONT><BR><FONT
face=Arial size=1>** Cadastral & Topographical
Mapping, and Remote Sensing</FONT> <BR><FONT face=Arial
size=1>** See us on the Web at:<U> <A
href="http://www.gov.mb.ca/conservation/geomatics/cada_mapping/index.html"
target=_blank>http://www.gov.mb.ca/conservation/geomatics/</U>cada_mapping/index.html</FONT></FONT></A><BR><FONT
color=#0000ff><FONT face=Arial size=1>**
and:</FONT><U> <FONT face=Arial size=1><A
href="http://www.gov.mb.ca/conservation/geomatics/index.html"
target=_blank>http://www.gov.mb.ca/conservation/geomatics/index.html</A></FONT></U>
<BR></FONT><FONT face=Arial color=#0000ff
size=1>** <SPAN
class=089143421-04042003>Check out our digital maps at</SPAN>:<U> <A
href="http://mli.gov.mb.ca/" target=_blank>http://<SPAN
class=089143421-04042003>mli</SPAN>.gov.mb.ca/</A></U><FONT
face="Times New Roman" size=3>
</FONT><BR>**********************************************************************************************************</FONT></DIV>
<DIV> </DIV></BODY></HTML>
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