[mapserver-users] RE: Expressions

[Jay Kapalczynski]

Has something changes in the newer version of map server?

Has anyone done this before? Or ran into this problem?

Thanks



From: Jay Kapalczynski
Sent: Tuesday, February 03, 2009 4:09 PM
To: mapserver-users at lists.osgeo.org
Subject: FW: Expressions


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:

[cid:image001.png at 01C986B4.2E6B0290]


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
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