ah, ok. Now I understand. I thought I would get a Filter from CQL such
as I did for the intersects operation.
Many thanks for your help!
Matthias
Am 01.07.2011 15:27, schrieb Jody Garnett:
> You are thinking about it wrong relatePattern is a function - which is a
> kind of expression. You can compare the result of the function using the
> equals filter - if you wanted to use it to select content.
>
> Let me provide you a code example (forgive me if this does not work as I
> am just typing it into an email from memory).
>
> FilterFactory ff = CommonFactoryFinder.getFilterFactory2(null);
>
> LineString line = (LineString) reader.read("LINESTRING(0 2, 2 0, 8 6)");
> Expression expr = ff.function("relatePattern", ff.propert("the_geom"),
> ff.literal( linestring), ff.literal("***1*****") );
>
> Filter filter = ff.equals( expr, ff.literal( Boolean.TRUE ) );
>
>
> On Fri, Jul 1, 2011 at 9:38 PM, Matthias Lendholt
> <[email protected]
> <mailto:[email protected]>> wrote:
>
> None of them
>
>
> http://docs.geotools.org/__latest/javadocs/org/geotools/__filter/FilterFactory.html
>
> <http://docs.geotools.org/latest/javadocs/org/geotools/filter/FilterFactory.html>
>
> http://docs.geotools.org/__latest/javadocs/org/opengis/__filter/FilterFactory.html
>
> <http://docs.geotools.org/latest/javadocs/org/opengis/filter/FilterFactory.html>
>
> http://docs.geotools.org/__latest/javadocs/org/opengis/__filter/FilterFactory2.html
>
> <http://docs.geotools.org/latest/javadocs/org/opengis/filter/FilterFactory2.html>
>
> provide a relatePattern or any other 'relate' or 'de9im' filter. Or
> do I have the wrong version / java doc?
>
> Matthias
>
>
> Am 01.07.2011 13:30, schrieb Jody Garnett:
>
> They do provide a function - so you should be able to create a
> "relatePattern" function call. If that works we have a clear
> reason (and
> code example) to create a issue report in the JIRA issue tracker.
>
> --
> Jody Garnett
>
> On Friday, 1 July 2011 at 9:14 PM, Matthias Lendholt wrote:
>
> Because CQL accepts "intersects(the_geom, LINESTRING (27.3
> 37, 27.3
> 37.6))" I thought it should work the same for relatePattern.
>
> Neither FilterFactory nor FilterFactory2 provide a
> RelatePattern filter.
>
> However, the inner StaticGeometry class provides
> static String relatePattern(Geometry arg0, Geometry arg1,
> String arg2)
> exist.
>
> Matthias
>
>
> Am 01.07.2011 12:00, schrieb Jody Garnett:
>
> You may need to call a function to parse your string
> into a geometry? I
> am not sure how the CQL parser handles things - perhaps
> it only expects
> geometry literals for spatial filters??
>
> Try using FilterFactory and check if the function works
> for you?
>
> --
> Jody Garnett
>
> On Friday, 1 July 2011 at 1:45 AM, Matthias Lendholt wrote:
>
>
> Am 30.06.2011 14:28, schrieb Jody Garnett:
>
> The complete function list is in the docs here:
> -
>
>
> http://docs.geotools.org/__latest/userguide/library/main/__filter.html#function-list
>
> <http://docs.geotools.org/latest/userguide/library/main/filter.html#function-list>
>
> yeah, thanks. I already trid it, but I still get
> this exception. The
> second geometry (WKT) is not accepted.
>
>
> Caused by:
> org.geotools.filter.text.cql2.__CQLException:
> Encountered
> "LINESTRING" at line 1, column 25.
> Was expecting one of:
> <STRING_LITERAL> ...
> "true" ...
> "false" ...
> "(" ...
> "[" ...
> <INTEGER_LITERAL> ...
> <FLOATING_LITERAL> ...
> <IDENTIFIER> ...
> . Parsing : relatePattern(the_geom, LINESTRING (27.3
> 37, 27.3
> 37.6),***1*****). Current Token : ","
> at
>
> org.geotools.filter.text.cql2.__CQLCompiler.compileFilter(__CQLCompiler.java:106)
> at
>
> org.geotools.filter.text.__commons.CompilerUtil.__parseFilter(CompilerUtil.java:__194)
> at
> org.geotools.filter.text.cql2.__CQL.toFilter(CQL.java:131)
> at
> org.geotools.filter.text.cql2.__CQL.toFilter(CQL.java:110)
> at ...
>
> org.geotools.filter.text.__generated.parsers.CQLParser
> is not part of
> geotools-2.6.5-project.zip and therefore I cannot
> debug it.
>
>
> I tested other functions and they work:
> intersects(the_geom, LINESTRING (27.3 37, 27.3
> 37.6)) works...
>
> Cheers, Matthias
>
>
> --
> Jody Garnett
>
> On Thursday, 30 June 2011 at 9:42 PM, Matthias
> Lendholt wrote:
>
> Hi all,
>
> How do I get a RELATES/DE9IM filter with
> CQL? I'm looking for a filter
> similar to this postgis function:
> boolean ST_Relate(geometry geomA, geometry
> geomB, text
> intersectionMatrixPattern);
>
> I tried it with
> CQL.toFilter("relates(the___geom," +
> refGeomAsWKT+
> ",'" +
> de9impattern + "')"); and changed the
> parameter order but never was
> successful.
>
> Any ideas?
> Many thanks, Matthias
>
>
>
> --
> [matthias.lendholt@gfz-__potsdam.de
> <mailto:[email protected]>
> <mailto:matthias.lendholt@gfz-__potsdam.de
> <mailto:[email protected]>>]
>
> GFZ German Research Centre for Geosciences
> CeGIT Centre for GeoInformation Technology
> Tel +49 331 288-1687 <tel:%2B49%20331%20288-1687>; FAX +49
> 331 288-1703 <tel:%2B49%20331%20288-1703>
> Telegrafenberg A20, 14473 Potsdam, Germany
> Blog http://zeigertelegraph.gfz-__potsdam.de
> <http://zeigertelegraph.gfz-potsdam.de>
> Contact MECARD QR Code: http://goo.gl/488J
>
>
>
>
> --
> [matthias.lendholt@gfz-__potsdam.de
> <mailto:[email protected]>]
> GFZ German Research Centre for Geosciences
> CeGIT Centre for GeoInformation Technology
> Tel +49 331 288-1687 <tel:%2B49%20331%20288-1687>; FAX +49 331
> 288-1703 <tel:%2B49%20331%20288-1703>
> Telegrafenberg A20, 14473 Potsdam, Germany
> Blog http://zeigertelegraph.gfz-__potsdam.de
> <http://zeigertelegraph.gfz-potsdam.de>
> Contact MECARD QR Code: http://goo.gl/488J
>
>
--
[[email protected]]
GFZ German Research Centre for Geosciences
CeGIT Centre for GeoInformation Technology
Tel +49 331 288-1687; FAX +49 331 288-1703
Telegrafenberg A20, 14473 Potsdam, Germany
Blog http://zeigertelegraph.gfz-potsdam.de
Contact MECARD QR Code: http://goo.gl/488J
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