My major question is can I do this with a String/text field? Its the only way
I can see keeping things in a %2Y%2M%2D format ex. 092110 (Sept 21st 2010),
otherwise the 0 will get removed in a numeric field
Can I use the format Year, Month, Day? Or do I have to use Month, Day, Year?
In this example I eliminated two expressions and focused on one Expression to
see if it is working.
I kept this
<map-source name="Burglaries" type="mapserver">
<file>./maple_grove_datasets/police/Burglaries.map</file>
<param type="today" offset="-7" name="LASTWEEK" format="%2Y%2M%2D" />
<param type="today" offset="-14" name="LASTTWOWEEKS" format="%2Y%2M%2D" />
<param type="today" offset="-30" name="LASTTHIRTY" format="%2Y%2M%2D" />
<param type="today" offset="-90" name="LASTNINTY" format="%2Y%2M%2D" />
<layer name="Burglaries"/>
</map-source>
In my map file I used ONLY this
CLASS
NAME 'Last Weeks'
EXPRESSION ('[dateValues]' > '%LASTTWOWEEKS%')
STYLE
COLOR 0 100 50
SYMBOL "bike"
SIZE 12
END
END
Now in my data I have these values (below), although every symbol was displayed
in the map
NOTE THIS IS A TEXT FIELD
081204, 081225,090118
These values (above) for the Year, Month, Day format specified in the map
source are clearly less than the "last two weeks", Where as they are older than
the last 14 days....so none of them should show up, but they do
Any thoughts
From: [email protected]
[mailto:[email protected]] On Behalf Of Bob Basques
Sent: Friday, September 17, 2010 9:25 PM
To: [email protected]
Subject: Re: [mapserver-users] Expressions
A first stab at seeing more than one class, might be to try and switch them
around order wise, one filter may be overwriting the other for example.
bobb
On 9/17/2010 8:20 AM, Jay Kapalczynski wrote:
I am using GeoMoose but feel this is more a question for Map Server.
I am trying to sort my points by dates using the code below....I think that I
can do this but not sure
Is this a viable format "2Y%2M%2D" ?
As for the field in the shapefile...If I use an integer it removes the 0 from
the 092110, (sept 21st 2010)
If I use a date then there are "/" ... 9/21/10
The only way I can see this happening is using a text field with retains the 0
in 092110
When I use the textfield "dateValues" as seen below I can get the stars to draw
but only the LASTWEEK...for some reason the LASTTWOWEEKS does not show and I
know that I have a few records with dates in the last 14 days...
Thoughts?
THANKS....all your help is very appreciated....
Main .xml file
<map-source name="Burglaries" type="mapserver">
<file>./maple_grove_datasets/police/Burglaries.map</file>
<param type="today" offset="-7" name="LASTWEEK" format="%2Y%2M%2D" />
<param type="today" offset="-14" name="LASTTWOWEEKS" format="%2Y%2M%2D" />
<param type="today" offset="-30" name="LASTTHIRTY" format="%2Y%2M%2D" />
<param type="today" offset="-90" name="LASTNINTY" format="%2Y%2M%2D" />
<layer name="Burglaries"/>
</map-source>
.map file
CLASS
NAME 'Last Weeks'
EXPRESSION ('[dateValues]' > '%LASTWEEK%')
STYLE
COLOR 0 0 0
SYMBOL "star"
SIZE 12
END
END
CLASS
NAME 'Last Two Weeks'
EXPRESSION ('[dateValues]' > '%LASTTWOWEEKS%')
STYLE
COLOR 0 100 50
SYMBOL "star"
SIZE 12
END
END
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