Can any Ruby/GEOS developer take a look at this ?
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-
Date: Thu, 24 Nov 2011 09:07:04 -0800
From: Kashif Rasul
reply+i-2343458
the GEOS and the PostGIS testsuites run fine with the patch applied.
The patch is in mailbox format, can apply using git-am or patch -p1 from
top-level source dir.
[1] Consider also adding the project on the wiki, if not
already listed: http://trac.osgeo.org/geos/wiki/Applications
--strk
sense / be plausible? Or would a better
solution be to define the precision for each geometry column?
Check the new ST_Snap() function in PostGIS and GEOS svn repository.
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this list if geos-devel is not intended to be a general purpose
geos question/support mechanism.
Am I in the right place?
Yes, being the only GEOS mailing list.
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consuming job indeed.
It takes a patient sponsor.
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(the_geom).
Works. There are other datasets which fail on both versions, and I have no
doubt I can find one which works in the reverse manner.
The latter uses CascadedUnion (the one UnaryUnion uses too).
The former uses normal union (non-cascaded).
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=jts-topo-suite-user
I fixed this in JTS, in the soon-to-be-released ver 1.12. Perhaps this
fix hasn't made it's way into GEOS and PostGIS yet.
Have a revision number of the fix ?
Haven't found one in the forum thread...
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message Javadoc doesn't really help :)
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(143.861 -36.881, 143.861 -36.881) and LINESTRING (143.861 -36.881, 143.861
-36.881) at 143.861 -36.881
That's a NOTICE, shouldn't be a show-stopper.
Did you really check your input with ST_IsValid, btw ?
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) would need to be
added to whatever build script is used.
Send a patch always applies.
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2,2 2)),((0 0,2 -2,-2 -2,0 0)))
You can then successfully buffer the result (getting back to a POLYGON).
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.
For a collection, see the Cascaded flavor.
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On Fri, Dec 03, 2010 at 03:23:43PM +0100, strk wrote:
On Fri, Dec 03, 2010 at 11:02:35AM +0100, strk wrote:
GEOS/JTS in sync
(I checked and synched, only additional snapToSelf was missing).
So, Martin.
After a closer look I found that indeed GEOS wasn't checking
for duplicates as JTS
Martin, could you try this snapping with JTS ?
input: POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0))
snap_to: POINT(0.5 0)
In GEOS, it returns:
POLYGON ((0.5 0, 0.5 0, 1 1, 0 1, 0.5 0))
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that jeweler provides.
I second using a separate repository.
That way you can keep binding release cycles completely separated
from the core GEOS library.
I've been too lazy to do that for the PHP bindings...
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about keeping the binding separated so don't see a reason for
a fork.
I've an unofficial copy of geos svn on github.com/strk
Would love to see osgeo provide a git infrastructure.
Unfortunately github uses proprietary software for that.
But code used by gitorious.org is free-as-in-freedom.
All in all
On Wed, Dec 01, 2010 at 11:44:05AM -0700, Charlie Savage wrote:
The downside is that the different language bindings (ie python and
ruby) go their separate ways. But that is already the case anyway...
Yeah, also for PHP I didn't use swig...
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FYI: I've cloned the SVN trunk branch onto
a git repository on github: https://github.com/strk/geos
I'll be using that one for development, in its own
branch. Dunno if git-svn tools are able to replicate
the branching from git to svn but probably isn't worth
it.
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Andrea, it's a wiki: thanks for taking action ! :)
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describes strtod().
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On Wed, Sep 22, 2010 at 12:13:51PM -0400, Alex Trofast wrote:
On 09/22/2010 08:35 AM, strk wrote:
On Wed, Sep 22, 2010 at 08:12:39AM -0400, Alex Trofast wrote:
I think you are right, after testing I noticed that GEOS compiles with
-O2 by default. If you change CFLAGS/CXXFLAGS to be -O1
it is
necessary to write a new test function for that, taking GeometryFactory as a
parameter and not a constant.
No need to overgeneralize, a couple of new tests:
one for checking default factory SRID and one for
checking override would be good enough.
Thanks for your time.
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the geometrical problem, and approach it differently.
Some other times all you can do is profile and see if
anything dumb is happening.
Looking at the crash might reveal something too.
Which version of GEOS ? Tried with SVN ?
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if
GeometryComponentFilter::filter_ro is entered rather than
LinearComponentExtracter::filter_ro.
Indeed GeometryComponentFilter::filter_ro and ::filter_rw could
be made pure abstract methods.
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you strip the M on the db side.
GEOS's WKBReader is meant to read WKB, not EWKB.
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The online doxygen output is missing, 404 link from homepage:
http://download.osgeo.org/geos/doxygen/
Can anyone help ?
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As with the doxygen part...
Really looks like download.osgeo.org/geos
needs some love.
Is there a PSC cheatsheet containing informations
about the processes and who's in charge of what ?
TIA
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/libgeos.so It links to libgeos-3.2.2.so, which
is not there.
You must have removed it unintentionally.
Try a make clean and make again (from top-level dir).
Or, if you feel brave, just rm src/libgeos.{la,lo} and make.
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know about. I'm personally happy with multi-people copyright.
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to the GEOS repository ?
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On Mon, Jun 21, 2010 at 09:13:16AM -0700, Martin Davis wrote:
strk,
The JTS Developer's Guide is a bit confusing. The geometry given in the
example is NOT the geometry depicted in the illustration. (This is a
doc bug - but Im not sure if and when I can fix it).
When I run the geometry
FYI, as of r3078 the mis-port is fixed in GEOS.
Still interested in the result after self-noding.
Thanks !
--strk;
On Thu, Jul 01, 2010 at 10:59:12PM +0200, strk wrote:
On Mon, Jun 21, 2010 at 09:13:16AM -0700, Martin Davis wrote:
strk,
The JTS Developer's Guide is a bit confusing
(ST_AsText(g));
would succeed too (and does)...
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...
What is the model used by GEOS?
FLOATING (the model used by the C-AP, thus postgis)
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On Sun, Jun 27, 2010 at 10:57:37PM +0200, G. Allegri wrote:
Are you sure it works?
select st_union(st_astext(the_geom)) from selezione_exp1_red2 (one of
your reductions) doesn't give any output...
Doesn't _always_ work, did for another_dump2:
strk=# select st_isvalid(st_union(g)) from
On Sun, Jun 27, 2010 at 11:14:22PM +0200, strk wrote:
On Sun, Jun 27, 2010 at 10:57:37PM +0200, G. Allegri wrote:
Are you sure it works?
select st_union(st_astext(the_geom)) from selezione_exp1_red2 (one of
your reductions) doesn't give any output...
Doesn't _always_ work, did
35 points version (2 geoms):
http://strk.keybit.net/tmp/another_dump2.sql
... still finds non-noded intersections ...
--strk;
On Sun, Jun 27, 2010 at 12:18:22AM +0200, G. Allegri wrote:
I'm getting mad. The same geometries, run in a basic test written by
me works fine: http
mentioned).
Tried with GEOS trunk too, and works as well.
We need another selection ...
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It's to be noted that non-cascaded union (the one using
robustness handling heuristics) succeeds with this input.
--strk;
On Fri, Jun 25, 2010 at 02:14:51PM +0200, G. Allegri wrote:
Here is a testcase which reproduces the exception:
http://www.giovanniallegri.it/share/selezione_exp1_red2.sql
On Tue, Jun 22, 2010 at 08:52:30AM -0700, Martin Davis wrote:
Also, there was a bug uncovered recently in JTS which has the effect of
not performing some robustness improvement steps during CascadedUnion.
It's a simple fix, so perhaps someone (strk?) will be able to implement
it in GEOS
On Fri, Jun 25, 2010 at 04:39:17PM +0200, strk wrote:
Martin, is there any support for testing CascadedUnion
with the XML format ? Would help comparing GEOS/JTS.
I've found TestUnaryUnion.xml in JTS repository.
I guess that's what GEOS should be using
for testing CascadedPolygonUnion.
Only
.
Suggestions for a good documentation plan are welcome.
Ideally something integrating with Doxygen.
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On Tue, Jun 22, 2010 at 08:52:30AM -0700, Martin Davis wrote:
Also, there was a bug uncovered recently in JTS which has the effect of
not performing some robustness improvement steps during CascadedUnion.
It's a simple fix, so perhaps someone (strk?) will be able to implement
A ticket
^
}
assert(0 != out);
return out;
}
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Alright, convinced.
Thanks for the review.
r3060 has them back unchecked, with checks moved at PHP level.
--strk;
On Mon, Jun 21, 2010 at 01:23:08PM +0200, Maxime van Noppen wrote:
On 06/21/2010 11:22 AM, strk wrote:
Not really.
You're right about additional cost, but I dubt it'll really
as a bug in GEOS or does JTS give the
same results ?
Note that forcing proper noding using the union trick
does give the 3 expected rings, but still lacks the
cut edge and duplicates the dangle.
Thanks in advance.
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;
loadCurrentLine();
}
I'd throw an IllegalArgumentException from the constructor, if geom
is not LINEAL.
Will do this in GEOS trunk, but wanted to signal JTS too...
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-ansi], [])
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.
--strk;
On Fri, Jun 18, 2010 at 11:59:04AM +0200, strk wrote:
So, -ansi is equivalent to -std=c89
Using -std=c99 works fine.
Now, the problem is that GEOS's ./configure script
is setting CFLAGS, which it shouldn't.
CFLAGS is always added last as it is considered
the user-defined one.
Doing
I was looking for info about WKTWriter::setTrim
but haven't found it on http://download.osgeo.org/geos/doxygen/
Who's in charge for updating that page ?
Can we track both latest release and trunk ?
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interaction with -ansi, which is what I'm trying to
fix in a general way.
--strk;
On Fri, Jun 18, 2010 at 11:26:35AM +0200, strk wrote:
I've started hand-crafting PHP bindings for the GEOS C-API.
Currently in the process of merging into trunk for proper
build scripts.
One obstacle I found
On Fri, Jun 18, 2010 at 06:41:47PM +0200, strk wrote:
So, current trunk as a -std=gnu99 added to CFLAGS
when building the PHP bindings and was tested to
work on OpenSUSE 11.1 and Ubuntu 8.10 with gcc-4.3.2
(-std=c99 didn't work on the Ubuntu box).
FYI: also tested successfully on
Debian 4.0
On Fri, Jun 18, 2010 at 06:53:19PM +0200, strk wrote:
On Fri, Jun 18, 2010 at 06:41:47PM +0200, strk wrote:
So, current trunk as a -std=gnu99 added to CFLAGS
when building the PHP bindings and was tested to
work on OpenSUSE 11.1 and Ubuntu 8.10 with gcc-4.3.2
(-std=c99 didn't work
On Wed, Jun 16, 2010 at 09:53:00AM +0200, Sean Gillies wrote:
Are there any libffi (used by ctypes) intefaces for PHP? If so, I'd
recommend giving that a try.
Found this: http://pecl.php.net/package/ffi
Last release (0.3-alpha) is from 2004 :!
--strk;
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I'm plaing with drupal recently and be wondering
if the SWIG binding for GEOS are still in use by
anyone or not.
In particular, I think Shapely and GeoDjango
are using a direct interface rather than swig, right ?
Is anyone else interested in a PHP binding for GEOS ?
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syntax.
Keep up the good work !
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and in an undocumented way).
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coordinate is NaN I'll try and adapt my code to watch for that as
a clue to dimension but it is not entirely clear to me why dimension is not
currently preserved.
PostGIS extracts dimension from postgis format, then converts, does the thing
and converts back to same dimension of input.
--strk
On Mon, May 17, 2010 at 12:39:15PM -0400, Frank Warmerdam wrote:
At this time I'm not going to try and address M, nor to start going into
the algorithms and making them dimension aware.
M will be much harder indeed.
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sys 0m0.012s
$ time psql strk -c 'update bug_dump2 set geom = st_buffer(geom, 0.005)';
UPDATE 3272
real0m0.463s
user0m0.040s
sys 0m0.008s
$ time psql strk -Ac 'select st_npoints(st_union(geom)) from bug_dump2';
st_npoints: 1336
real0m1.181s
user0m0.040s
sys
On Fri, May 14, 2010 at 03:09:40PM +0200, strk wrote:
On Thu, May 13, 2010 at 09:22:49AM -0700, Martin Davis wrote:
Just tried the buffer-and-union approach in JTS. It works fine - about
70 s for the union, less for the initial buffering. Memory usage was low.
I tried buffer-and-union
://trac.osgeo.org/geos/attachment/ticket/344/roads_broken_geom.txt.gz
The output I have with it is attached.
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out.txt.gz
Description: application/gunzip
On Fri, May 14, 2010 at 11:35:45AM -0700, Martin Davis wrote:
Ok, I tried the roads_broken geometry in JTS using the buffer-and-union
approach. The result matches the one you posted, strk.
Time was 2.7 s. So the two systems are pretty close.
It would be interesting if you tried
On Fri, May 14, 2010 at 03:05:29PM -0700, Martin Davis wrote:
Yes, that would be very interesting. Does GGL provide polygon union now?
Seems so:
http://geometrylibrary.geodan.nl/group__union.html
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On Mon, May 10, 2010 at 09:09:33AM -0700, Martin Davis wrote:
There's a few more listed here:
http://tsusiatsoftware.net/jts/jts-links.html#systems
Thanks, page updated.
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I've started a wiki page to list applications using GEOS:
http://trac.osgeo.org/geos/wiki/Applications
Surely some are missing, can you find them ?
Thanks.
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On Sat, Apr 17, 2010 at 10:46:51AM -0700, Paul Ramsey wrote:
Yes, indeed. This could also be the source of a leak reported a couple
weeks ago in the otherwise boring centroid function...
Ready for test in r2975.
Mat, could you add your changes in the NEWS file too please ?
--strk
On Mon, Mar 29, 2010 at 10:29:06AM -0700, Paul Ramsey wrote:
Can anyone valgrind the capi centroid call on a 2-point linestring and
see if it leaks? It seems like it might...
Tried this:
LINESTRING(0 0, 10 0)
No leaks in C-API from 3.2 branch
What's the one exposing the bug ?
--strk
, but the purpose of the
README file is to quickly look up the procedure without needing to start
up a web browser and navigate to the web page. A README file is the first
place I look after uncompressing source code, since it tells me what to do
next.
+1
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On Wed, Mar 03, 2010 at 11:20:34AM +0100, Paul Meems wrote:
What is the best approach the get the latest version?
svn checkout http://svn.osgeo.org/geos/trunk
--strk;
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On Wed, Feb 10, 2010 at 09:42:56PM -0600, Howard Butler wrote:
On Feb 10, 2010, at 5:26 PM, strk wrote:
I'd like to deprecate non-thread-safe version
of CAPI interface in next release, and stop providing
them for new methods.
If anyone sees a reason not to do that please scream
, if your goal is building an area you may consider
moving the algorithm implemented by PostGIS's ST_BuildArea
code down into the C-API (from the postgis geos wrapper).
I belive it would be useful in general...
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* kdesdk4-scripts [ path: /usr/bin/svn-clean, repository: zypp
(ARKANIS_openSUSE_11.1_1) ]
Try installing with: sudo zypper install kdesdk3
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I'd like to deprecate non-thread-safe version
of CAPI interface in next release, and stop providing
them for new methods.
If anyone sees a reason not to do that please scream
before it's too late (you've plenty of time).
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/ticket/399)
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cmake based installation results in a broken geos-config
script. geos-config --ldflags, which is used by postgis,
returns '-L'.
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Ubuntu 8.04 cmake build attempt:
$ cmake ../trunk
CMake Error at CMakeLists.txt:220 (if):
if had incorrect arguments: ${CMAKE_VERSION} VERSION_LESS 2.8.0 (Unknown
arguments specified).
...
$ cmake --version
cmake version 2.6-patch 0
What's the min version supported ?
--strk;
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FYI.
Only 'make' was timed, no ./configure nor cmake runs.
cat cmake/TIMING
real7m18.909s
user6m11.319s
sys 0m42.419s
cat autotools/TIMING
time make
-
real7m58.631s
user7m1.418s
sys 0m43.067s
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GEOS revision 2893.
CMake Error at CMakeLists.txt:204 (file):
file does not recognize sub-command RENAME
cmake version 2.6-patch 0
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TODO item ? 'check' is a GNU standard rule.
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On Wed, Jan 20, 2010 at 11:05:40PM +, Mateusz Loskot wrote:
strk wrote:
/usr/src/geos/cmake_build/include/geos/platform.h:147:3: error: #error
Could not find finite or isfinite function or macro!
make[2]: ***
[src/CMakeFiles/geos.dir/algorithm/distance
On Tue, Dec 15, 2009 at 01:04:11PM -0500, Glenn Waldron wrote:
I wish I'd caught this before the 3.2 release, but
geom/CoordinateSequenceFactory is missing from source/Makefile.vc. The fixed
makefile.vc is attached.
Glen, was this applied ? If not, could you put it on trac ?
--strk;
Free
by
different runtimes and dev environment. Make sure to install the
GNU C++ compiler.
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properly encode
if a client is dependent on *libgeos* or *libgeos_c* as that makes
a big difference.
Is this too much confusing ?
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stability of the API and the ABI of the
library during performance improvements that will likely change classes
definitions.
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expose
the leaks itself.
I just fixed a couple of leaks reported by a C++ API user
in methods that would never be called by the C-Api, that's
why I mentioned them.
--strk;
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On Sat, Dec 12, 2009 at 10:04:26AM +0100, Maxime van Noppen wrote:
strk wrote:
Remember that GEOS is a direct port of JTS, where (in Java)
there are visibility levels that are not supported in C++
(default visibility == only classes in same package can use
those interfaces). In GEOS those
On Thu, Dec 10, 2009 at 12:30:43PM -0800, Paul Ramsey wrote:
Shall we release 3.2.0 final? Things seem quiet...
I've fixed a reported leak in r2822.
r2823 also contains an updated ChangeLog.
Ready for final myself.
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/ABI instabilities...
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(2 or 3, but will
always be 3 atm). Pretty useless method indeed.
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!
It seems to mean 3.2.0 rocks :)
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instead.
How can a virtual method be inlined by the compiler ?
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On Tue, Dec 08, 2009 at 07:04:26PM +0100, strk wrote:
On Tue, Dec 08, 2009 at 08:01:25AM -0800, Paul Ramsey wrote:
Thanks to Mats for taking the cleanup run through the code! I would
like to cut one more RC, anyone have objections, fixes-in-progress?
Just closed a couple ([1], [2
FYI,
Mateusz is doing a cleanup pass on trunk.
He mentioned it should be done in a week.
I think it's worth waiting till then and ship
an rc4. If anyone is concerned with that please
let me know.
TIA
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http
Packaging and platform support tweaks mostly.
Please take another loop, this could be final.
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What do you really need to do at the end of the day ?
Want a simple ring ? A polygon ?
--strk;
On Fri, Nov 27, 2009 at 05:22:22PM +0100, Frederik Ramm wrote:
Hi,
today I came across the following problem that I tried to solve with
GEOS.
I had 3.000 linestrings which together formed
1 - 100 of 133 matches
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