Jay Kapalczynski wrote:
I am trying to do expressions based on a shapefile…I had this working in
a prior version but now it wont work…
The fields GEO_SIMPLE and dateValues exist in the shapefile.
I have the date values in “dateValues” as TEXT, 8 characters.
The Star symbols come up but the application freezes up and wont draw
the rest of the layers…so I have something wrong…
Does the date format have to be changed?
Does the field have to be a date field?
Will the below format work? ("%2M%2D%2Y)
But in the field it looks like this *11509*
If I remove the param types and the expression stuff it draws the layer
fine…so it has to be with the dates.
THANKS IN ADVANCE FOR ANY HELP
I get this error:
Strfdate is not defined
mapParams[i].SetAttribute(‘value’,strfdate(new
Date(d.getTime()+offset),formats…………
*DEMO.XML*
<map title="Burglaries" default="true" reference="false"
popups="true" data="true">
<param type="today" offset="-7" name="LASTWEEK"
format="%2M%2D%2Y"/>
<param type="today" offset="-14" name="LASTTWOWEEKS"
format="%2M%2D%2Y"/>
<param type="today" offset="-30" name="LASTTHIRTY"
format="%2M%2D%2Y"/>
<param type="today" offset="-90" name="LASTNINTY"
format="%2M%2D%2Y"/>
<file>/ms4w/apps/GeoMOOSE/Maple_Grove_GeoMoose/Burglaries/Burglaries_8bit.map</file>
</map>
*BURGLARIES.map*
CLASS
NAME 'Last Week'
EXPRESSION ('[GEO_SIMPLE]' =
'BURGLARY' AND '[dateValues]' > '%LASTWEEK%')
COLOR 197 0 255
SYMBOL "star"
SIZE 12
END
CLASS
NAME 'Last Two Weeks'
EXPRESSION ('[GEO_SIMPLE]' =
'BURGLARY' AND '[dateValues]' > '%LASTTWOWEEKS%')
COLOR 255 0 0
SYMBOL "star"
SIZE 12
END
CLASS
NAME 'Last Thirty Days'
EXPRESSION ('[GEO_SIMPLE]' =
'BURGLARY' AND '[dateValues]' > '%LASTTHIRTY%')
COLOR 0 255 0
SYMBOL "star"
SIZE 12
END
CLASS
NAME 'Last Ninety Days'
EXPRESSION ('[GEO_SIMPLE]' =
'BURGLARY' AND '[dateValues]' > '%LASTNINTY%')
COLOR 0 0 255
SYMBOL "star"
SIZE 12
END
The first thing you might try is a shp2img command
(http://mapserver.org/utilities/shp2img.html) with the -map_debug switch
(see example on that page) and then report the errors listed in that
command result to this mapserver-users email list.
-jeff
--
Jeff McKenna
FOSS4G Consulting and Training Services
http://www.gatewaygeomatics.com/
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