[Mapserver-users] Query
Swaminathan, Gayathri
gayathri@ou.edu
Mon, 7 Jul 2003 09:15:42 -0500
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Hi:
Got to use filter on this layer you are trying to query on.
so map file will look something like,
LAYER
NAME layers
TYPE ..
STATUS ON
DATA lakesshp
FILTERITEM "value"
FILTER ">100 and <200"
LABELITEM "value"
NAME "Lakes"
COLOR ....
TEMPLATE "....."
END
END
More reference on Filter and filteritem in the mapfile reference in the
mapserver site.
Hth,
Gayathri
-----Original Message-----
From: Mohamed Elshayal Smart [mailto:elshayal@smartwebonline.com]
Sent: Thursday, July 03, 2003 7:55 PM
To: mapserver-users@lists.gis.umn.edu
Subject: [Mapserver-users] Query
Dear Sirs,
I use the following and it works
mode=itemnquery&qlayer=lakes&item=area&value=100
but I try to use the following expression but it does not work.
mode=itemnquery&qlayer=lakes&item=area&value>100&value<200
and how can I write expression statement in map file
Thank you and best personal regards
Mohamed Elshayal
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<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2>Hi:</FONT></SPAN></DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff size=2>Got to
use filter on this layer you are trying to query on.</FONT></SPAN></DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff size=2>so map
file will look something like,</FONT></SPAN></DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2>LAYER <BR> NAME layers<BR> TYPE ..</FONT></SPAN></DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2> STATUS ON<BR> DATA lakesshp</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2> FILTERITEM "value"<BR> FILTER ">100 and
<200"<BR> LABELITEM "value"<BR> NAME
"Lakes"<BR> COLOR ....<BR> TEMPLATE "....."<BR>
END<BR>END<BR></FONT></SPAN></DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff size=2>More
reference on Filter and filteritem in the mapfile reference in the mapserver
site.</DIV></FONT></SPAN>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2>Hth,</FONT></SPAN></DIV>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2>Gayathri</DIV></FONT></SPAN>
<DIV><SPAN class=311491915-07072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Mohamed Elshayal
Smart [mailto:elshayal@smartwebonline.com] <BR><B>Sent:</B> Thursday, July 03,
2003 7:55 PM<BR><B>To:</B>
mapserver-users@lists.gis.umn.edu<BR><B>Subject:</B> [Mapserver-users]
Query<BR><BR></FONT></DIV>
<DIV><FONT face=Arial size=2>Dear Sirs,</FONT></DIV>
<DIV><FONT face=Arial size=2>I use the following and it works </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial
size=2>mode=itemnquery&qlayer=lakes&item=area&value=100</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>but I try to use the following
expression but it does not work.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>
<DIV><FONT face=Arial
size=2>mode=itemnquery&qlayer=lakes&item=area&value>100&value<200</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>and how can I write expression statement in map
file</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Thank you and best personal regards</FONT></DIV>
<DIV><FONT face=Arial size=2>Mohamed
Elshayal</FONT></DIV></DIV></BLOCKQUOTE></BODY></HTML>
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