[mapserver-users] Expressions
Stephen Woodbridge
woodbri at swoodbridge.com
Wed Sep 29 15:21:46 EDT 2010
How are you calling mapserver directly?
You need to do something like:
http://host/cgi-bin/mapserv?.....&LASTTWOWEEKS=100916
-Steve
On 9/29/2010 3:12 PM, Jay Kapalczynski wrote:
> I changed the format to and using another field (‘GEO_TIME’ - still numeric)
>
> <param type="today" offset="-14" name="LASTTWOWEEKS" *format="%2Y%2M%2D"* />
>
> Instead of:
>
> <param type="today" offset="-14" name="LASTTWOWEEKS" *format="%4Y%2M%2D"* />
>
> This worked….
>
> EXPRESSION ([GEO_TIME] > 100916) THIS DRAWS THE CORRECT 5 POINTS ONLY
>
> EXPRESSION ([GEO_TIME] > 090110) THIS DRAWS ALL THE POINTS, WHICH IS
> CORRECT… all are > than this date
>
> I then tried WITH NO SUCCESS
>
> EXPRESSION ([GEO_TIME] > '%LASTTWOWEEKS%') nothing
>
> EXPRESSION ([GEO_TIME] > %LASTTWOWEEKS%) nothing
>
> EXPRESSION ([GEO_TIME] > LASTTWOWEEKS) nothing
>
> EXPRESSION ('[GEO_TIME]' > '%LASTTWOWEEKS%') THIS DRAWS ALL THE POINTS
>
> EXPRESSION ('[GEO_TIME]' > %LASTTWOWEEKS%) nothing
>
> EXPRESSION ('[GEO_TIME]' > LASTTWOWEEKS) nothing
>
> * *
>
> *_The crazy thing is that I have this working on GEOMOOSE v1.6 on an XP
> 32 bit box….SAME CODE, SAME DATASET..SOMETHING WITH GEOMOOSE 2?????_*
>
> *With something like this*
>
> EXPRESSION ('[GEO_SIMPLE]' = 'BURGLARY' AND '[GEO_TIME]' > '%LASTWEEK%')
>
> -----Original Message-----
> From: Stephen Woodbridge [mailto:woodbri at swoodbridge.com]
> Sent: Wednesday, September 29, 2010 12:51 PM
> To: Jay Kapalczynski
> Cc: mapserver-users at lists.osgeo.org
> Subject: Re: [mapserver-users] Expressions
>
> First lets get rid of the parameter substitution to make sure we have a
>
> syntax correct. So in your mapfile try:
>
> EXPRESSION ([IncidentDa] > 20100816)
>
> I set this to Aug 16th to see if you can pull any records. Also because
>
> this is numeric, I removed the quotes. You can also try it with quotes
>
> to see what works.
>
> If this works then try:
>
> EXPRESSION ([IncidentDa] > %LASTTWOWEEKS%)
>
> Again without the quotes or with depending on what worked.
>
> -Steve W
>
> On 9/29/2010 11:49 AM, Jay Kapalczynski wrote:
>
> > I thank you for your response....greatly appreciated as I cannot figure
>
> > this out....
>
> >
>
> > I know that I have 4 features in the dataset that have a value of
>
> > 20100916 that’s 13 days ago....so with the expression below those 4 or 5
>
> > features should show up....but nothing shows up
>
> >
>
> > IncidentDa is the field (long integer)
>
> >
>
> > Param type is specifying YYYYMMDD my data has values of 20100916 (13
> days)
>
> >
>
> > I have no idea what could be wrong…Thank you all for your help….
>
> >
>
> > *.XML file*
>
> >
>
> > <map-source name="Burglaries" type="mapserver">
>
> >
>
> > <file>./maple_grove_datasets/police/Burglaries.map</file>
>
> >
>
> > <param type="today" offset="-90" name="LASTNINTY" format="%4Y%2M%2D" />
>
> >
>
> > <param type="today" offset="-30" name="LASTTHIRTY" format="%4Y%2M%2D" />
>
> >
>
> > * <param type="today" offset="-14" name="LASTTWOWEEKS"
>
> > format="%4Y%2M%2D" />*
>
> >
>
> > * <param type="today" offset="-7" name="LASTWEEK" format="%4Y%2M%2D" />*
>
> >
>
> > <param type="today" offset="0" name="TODAY" format="%4Y%2M%2D" />
>
> >
>
> > <layer name="Burglaries"/>
>
> >
>
> > </map-source>
>
> >
>
> > *.MAP file*
>
> >
>
> > CLASS
>
> >
>
> > NAME 'Last Weeks'
>
> >
>
> > EXPRESSION ('[IncidentDa]' > '%LASTTWOWEEKS%' && '[IncidentDa]' <
>
> > '%LASTWEEK%')
>
> >
>
> > STYLE
>
> >
>
> > COLOR 0 100 50
>
> >
>
> > SYMBOL "bike"
>
> >
>
> > SIZE 12
>
> >
>
> > END
>
> >
>
> > END
>
> >
>
> > =======================================
>
> >
>
> > BUT if I simply place this in there I get all the points…so something is
>
> > weird here because most of the dates are older than 7 days.
>
> >
>
> > CLASS
>
> >
>
> > NAME 'Last Weeks'
>
> >
>
> > EXPRESSION ('[IncidentDa]' > '%LASTWEEK%’)
>
> >
>
> > STYLE
>
> >
>
> > COLOR 0 0 0
>
> >
>
> > SYMBOL "tent"
>
> >
>
> > SIZE 12
>
> >
>
> > END
>
> >
>
> > #END
>
> >
>
> > -----Original Message-----
>
> > From: mapserver-users-bounces at lists.osgeo.org
>
> > [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Stephen
>
> > Woodbridge
>
> > Sent: Wednesday, September 29, 2010 8:19 AM
>
> > To: mapserver-users at lists.osgeo.org
>
> > Subject: Re: [mapserver-users] Expressions
>
> >
>
> > In EXPRESSIONS you can evaluate any of the following:
>
> >
>
> > 1. Regular expressions treating the value as a string
>
> >
>
> > 2. numeric expressions using booleans like ==,<,>,<=,>=
>
> >
>
> > 3. string expressions like ==, !=, and I think strlen()
>
> >
>
> > So if you converted you dates into a format like YYYYMMDD then it would
>
> >
>
> > be easy to use a numeric expression like:
>
> >
>
> > EXPRESSION ('[dateValues]' > '%STARTDATE%' && '[dateValues]' <
> '%ENDDATE%')
>
> >
>
> > or
>
> >
>
> > EXPRESSION ('[dateValues]' > '%STARTDATE%')
>
> >
>
> > where STARTDATE is the YYYYMMDD value of two weeks ago and ENDDATE would
>
> >
>
> > be in the same format and allow you to extract record betwee any two
>
> >
>
> > start and end dates.
>
> >
>
> > Or you might be able to figure out a complex regular expression the
>
> >
>
> > represents the last two weeks like:
>
> >
>
> > EXPRESSION ('[dateValues]' =~ '/%LASTTWOWEEKS%/')
>
> >
>
> > I'm not sure what you would need for the regular expression.
>
> >
>
> > -Steve W
>
> >
>
> > On 9/28/2010 4:23 PM, Jay Kapalczynski wrote:
>
> >
>
> > > Anyone have anymore ideas about this….
>
> >
>
> > >
>
> >
>
> > > I have a string field with values
>
> >
>
> > >
>
> >
>
> > > And the code below. The expression does not seem to be running…if I
> only
>
> >
>
> > > use LASTTWOWEEKS it still draws all the points….and I know there are
>
> >
>
> > > values in there from 2008
>
> >
>
> > >
>
> >
>
> > > Thanks
>
> >
>
> > >
>
> >
>
> > > *From:* mapserver-users-bounces at lists.osgeo.org
>
> >
>
> > > [mailto:mapserver-users-bounces at lists.osgeo.org] *On Behalf Of *Jay
>
> >
>
> > > Kapalczynski
>
> >
>
> > > *Sent:* Tuesday, September 21, 2010 9:51 AM
>
> >
>
> > > *To:* 'Bob Basques'; mapserver-users at lists.osgeo.org
>
> >
>
> > > *Subject:* RE: [mapserver-users] Expressions
>
> >
>
> > >
>
> >
>
> > > 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
>
> >
>
> > > 21^st 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:* mapserver-users-bounces at lists.osgeo.org
>
> >
>
> > > [mailto:mapserver-users-bounces at lists.osgeo.org] *On Behalf Of *Bob
>
> > Basques
>
> >
>
> > > *Sent:* Friday, September 17, 2010 9:25 PM
>
> >
>
> > > *To:* mapserver-users at lists.osgeo.org
>
> >
>
> > > *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 21^st 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
>
> >
>
> > >
>
> >
>
> > >
>
> >
>
> > >
>
> >
>
> > >
>
> >
>
> > >
>
> >
>
> > > _______________________________________________
>
> >
>
> > >
>
> >
>
> > > mapserver-users mailing list
>
> >
>
> > >
>
> >
>
> > > mapserver-users at lists.osgeo.org
> <mailto:mapserver-users at lists.osgeo.org>
>
> >
>
> > >
>
> >
>
> > > http://lists.osgeo.org/mailman/listinfo/mapserver-users
>
> >
>
> > >
>
> >
>
> > >
>
> >
>
> > >
>
> >
>
> > > _______________________________________________
>
> >
>
> > > mapserver-users mailing list
>
> >
>
> > > mapserver-users at lists.osgeo.org
>
> >
>
> > > http://lists.osgeo.org/mailman/listinfo/mapserver-users
>
> >
>
> > _______________________________________________
>
> >
>
> > mapserver-users mailing list
>
> >
>
> > mapserver-users at lists.osgeo.org
>
> >
>
> > http://lists.osgeo.org/mailman/listinfo/mapserver-users
>
> >
>
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