Re: python.i doesn't exist... why?

Yeah, was planning on doing that.  What's the timeframe you're looking at?

I did a pretty big update for GEOS 3.0 about 2 months ago, but I imagine 
things have changed a lot since then.  So it might take a bit of time to 
get right.  Having the new unit tests around helps for sure though (can 
copy them to Ruby/Python as needed).


Charlie

strk@xxxxxxxxxxxxxxx wrote:
> Since we're talking about this, I'm in the process of closing
> up the 3.0.0 release. Charlie, could you give the swig/ bit
> a check ? If things get complicated we can rollback to the 2.x
> way of only distributing files with no attempt to automatically
> build.
>
> --strk;
>
> On Mon, Jun 05, 2006 at 11:58:25PM -0600, Charlie Savage wrote:
> > Hi Pablo,
> >
> > Ok - that's because the swig files assume there is a readHex method. 
> > This will be fixed for 3.0, sorry about the problems in 2.2.0.
> >
> > Anyway, to manually fix open geos.i in the swig directory:
> >
> > 1. Comment out line 166 which is:
> >
> > %newobject WKBReader::readHEX;
> >
> > 2.  Comment out line 186-190:
> >
> > %factory(geos::Geometry * geos::WKBReader::readHEX, geos::Point,
> >                                  geos::LinearRing, geos::LineString,
> >                                  geos::Polygon,
> >                                  geos::MultiPoint,      
> >                                  geos::MultiLineString,
> >                                  geos::MultiPolygon,
> >                                  geos::GeometryCollection);
> >
> > 3. Comment out lines 297 to the end of the file:
> >
> > %extend geos::Geometry {
> >         static geos::GeometryFactory& factory()
> >         {
> >                 static geos::GeometryFactory factory;
> >                 return factory;
> >         }
> >
> >         static geos::WKBReader& reader()
> >         {
> >                 #if GEOS_VERSION_MAJOR == 2
> >                 static geos::WKBReader reader(geos_Geometry_factory());
> >                 #else
> >                 static geos::io::WKBReader reader(geos_Geometry_factory());
> >                 #endif
> >                 return reader;
> >         }
> >
> >         static Geometry* fromWKT(std::string wkt)
> >         {
> >                 std::stringstream in(wkt);
> >                 return geos_Geometry_reader().read(in);
> >         }
> >         
> >         static Geometry* fromHEX(std::string hex)
> >         {
> >                 std::stringstream in(hex);
> >                 return geos_Geometry_reader().readHEX(in);
> >         }
> > };
> >
> > Thanks,
> >
> > Charlie
> >
> >
> > Pablo Souza Grigoletti wrote:
> > > Hi Charlie,
> > >
> > > I did what you said:
> > >
> > > - mv geos_wrap.cxx geos_wrap.cxx.old
> > > - I created python.i with the code that you gave me. 
> > > - swig -c++ -python -modern -o geos_wrap.cxx ../geos.i
> > >
> > >
> > > ../../source/headers/geos/geom.h:671: Warning(509): Overloaded
> > > geos::CoordinateS equence::hasRepeatedPoints(geos::CoordinateSequence
> > > const *) is shadowed by hasR epeatedPoints() const at
> > > ../../source/headers/geos/geom.h:658.
> > > ../../source/headers/geos/geom.h:684: Warning(509): Overloaded
> > > geos::CoordinateS equence::minCoordinate(geos::CoordinateSequence *) is
> > > shadowed by minCoordinate( ) const at
> > > ../../source/headers/geos/geom.h:661.
> > >
> > >
> > > - python setup.py build
> > >
> > >
> > > ...
> > > geos_wrap.cxx: In function 'geos::Geometry*
> > > geos_Geometry_fromHEX(std::string)': geos_wrap.cxx:4417: error: 'class
> > > geos::WKBReader' has no member named 'readHEX' geos_wrap.cxx: In
> > > function 'PyObject* _wrap_Geometry_srid_set(PyObject*, PyObjec t*)':
> > > geos_wrap.cxx:24176: warning: passing 'double' for argument 1 to
> > > 'virtual void g eos::Geometry::setSRID(int)' error: command 'gcc' failed
> > > with exit status 1
> > >
> > >
> > > As you said me, a problem with readHEX happened.
> > > do you have any suggestion?
> > >
> > > Ahh, I have the SWIG right version:
> > >
> > >
> > > # swig -version
> > > SWIG Version 1.3.29
> > >
> > >
> > > Best regards.
> > > Pablo
> > >
> > >
> > > On Mon, 05 Jun 2006 21:21:17 -0600
> > > Charlie Savage <cfis@xxxxxxxxxxxx> wrote:
> > >
> > > > Hi Pablo,
> > > >
> > > > Sorry not to respond sooner - I just got back from vacation.
> > > >
> > > > What python.i is used for is to generate geos_wrap.cxx using SWIG.  If
> > > >
> > > > you look, you'll see that file exists.  So theory you could get by 
> > > > without python.i and just run the part of the build script that 
> > > > builds/installs the extensions.
> > > >
> > > > However, there unfortunately there is a problem with that because the 
> > > > geos_wrap.cxx file includes pointers to a method called readHex which 
> > > > does not actually exist in geos 2.2.2 (well, it does in my version but
> > > >
> > > > no release version).
> > > >
> > > > So I'd recommend:
> > > >
> > > > Create python.i in your swig/python directory.  Then put this code
> > > > into it:
> > > >
> > > > %template(vector_GeometryP) std::vector<geos::Geometry *>;
> > > > %template(vector_LineStringP) std::vector<geos::LineString *>;
> > > > %template(vector_PolygonP) std::vector<geos::Polygon *>;
> > > >
> > > > Then make sure you have swig 1.3.29 installed.  Then try the build 
> > > > script again.  You may also want to delete geos_wrap.cxx before you
> > > > start.
> > > >
> > > > Hope this helps,
> > > >
> > > > Charlie
> > >                 
> > > _______________________________________________________ 
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>
>
>
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