FromText('SRID=4326;POLYGON((116.751709
-31.381779,116.883545 -32.676373,114.741211 -32.796510,114.796143
-31.316101,116.751709 -31.381779))'), 0.0, false) < 0.1;
This should give us a better idea as to why this particular plan is
being chosen.
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical A
I missed the query switch somewhere in the thread ;)
ATB,
Mark.
--
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I was outlining in
this latter geometry example that a 9s intersection is not right and
there is a problem with geograhies.
Okay - so can we see the explain analyze output for your last query for
the geography intersecting geography case for comparison?
ATB,
Mark.
--
Mark Cave-Ayland - S
table but with a
geography instead of geometry column for border, and you should see an
improvement.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
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Sirius Labs: ht
ersion of PostGIS you
are using.
What does the output of:
SELECT version(), postgis_full_version();
return?
ATB,
Mark.
--
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PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
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Sirius La
.
HTH,
Mark.
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t: +44 870 608 0063
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H. Do you have multiple schemas in your database/PostGIS
installation? Or have you tried to install PostGIS into a specific schema?
ATB,
Mark.
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transformation code had a good tidy up and some logic corrections within
that timeframe, including better reporting of error messages.
HTH,
Mark.
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http://www.siriusit.co.u
ttp://www.sai.msu.su/~megera/postgres/gist/ can be used as
an aid to generate output suitable for rendering.
HTH,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
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causes the error...
Paul
If it's some kind of memory clobbering bug, then perhaps changing endian
will make a difference. Has anyone tried this on a large endian
architecture?
ATB,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
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postgis-
or
shp2pgsql ... 2>&1 > /dev/null
HTH,
Mark.
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any of
the settings in postgresql.conf from their defaults?
ATB,
Mark.
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apply the attached patch
and then re-run "autoconf" to generate a new configure file that should
work correctly.
HTH,
Mark.
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from the archive.
Should I do the same as well, or might there be another issue?
Hi Dan,
postgis_config.h is generated by running configure. What does the output
of the configure command look like?
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
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Sirius
database in order to spatially enable it, as per
http://postgis.refractions.net/documentation/manual-1.5/ch02.html#id2797624.
HTH,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
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r for us to help you.
ATB,
Mark.
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___
po
.deb packages
you are using to find out why this is failing.
HTH,
Mark.
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Sir
more likely
that someone will be able to help you.
Note that the in-built postgres database is for
maintenance/administration only - you need to create yourself a new
database and load postgis.sql into it, as per the manual here:
http://postgis.refractions.net/documentation/manual-1.
nd you need to make sure that
LD_LIBRARY_PATH is being set for the postgres user as you start the
database, and not just the user you are logged in as. You may need to
alter the /etc/init.d/postgresql script in order to do this.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
request size 18446744073709551613
Yup, this is totally wrong. I suspect bad RAM and/or disk on the machine
in question.
ATB,
Mark.
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ory and can't use it until I fix this :-)
Nice :)
HTH,
Mark.
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resented on your web pages.
ATB,
Mark.
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t: +44 870 608 0063
Sirius Labs: http://www.siriusit.co.uk/labs
_
e missed just one thing after your PostGIS setup:
psql -d gis -f spatial_ref_sys.sql
Once you've done this you should then be able to see the entries in the
spatial_ref_sys table with "select * from spatial_ref_sys;".
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
Post
ilder on Windows and compiled everything from source on debian.
As you point out, the PROJ library shouldn't be called for the example
queries you are giving and so I wouldn't expect this to have much of an
effect yet.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
Postgr
;;
if ( TYPE_HASBBOX(type) ) flags[flagno++] = 'B';
if ( TYPE_HASSRID(type) ) flags[flagno++] = 'S';
HTH,
Mark.
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here. I believe this part should be removed from the function.
ATB,
Mark.
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Sirius L
es does not.
P
Again, another demonstration as to why BOX2DFLOAT4s should never be used
for calculations and only for internal "within" checks :(
ATB,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
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ht
Dave Potts wrote:
Mark Cave-Ayland wrote:
Has anybody read this web page ?
http://workingonnothing.blogspot.com/2009/08/setting-up-ubuntu-server-installig.html
Its somebodies successful attempt to install postgis 1-4.0 using the
installed version of 8.3 on ubuntu Jaunty
Dave.
Hmmm
ll a machine from scratch :(
Glad that you managed to get it all installed though.
ATB,
Mark.
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Sirius L
i.e. slowly increasing query times.
I'd also be interested to see your results of just Test 1 on a Linux OS
too to see whether it is an OS specific issue that you are seeing.
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
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Sirius Corporation
packaging as it seems to catch a lot of people out...
HTH,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
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Sirius Labs: http://ww
untime-config-logging.html#GUC-LOG-STATEMENT
for more details.
HTH,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
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Sirius Labs:
non aggregate function which returns the exact extent
(float8s) of a geometry? If not, why not?
Because it's a bug ;)
ATB,
Mark.
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ticular, this will confirm which
versions of GEOS are being used in each setup.
ATB,
Mark.
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try));
Thanks,
Pierre
Uggg. Nothing should *ever* return the contents of a BOX2DFLOAT4 back to
the user. If ST_Envelope() does, then this is definitely a bug.
ATB,
Mark.
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http:/
.a into libpostgis.so, but that doesn't seem to work.
Clearly I need to look into this further, but would like to know the
plan so I can understand where my build is going wrong
Is there supposed to be a liblwgeom.a installed? Where?
Nope - it's currently a static library and so ge
; on PostGIS so that the
directory containing the pg_config you really want to use is listed
first like this:
PATH=/path/to/8.2/install:$PATH make install
HTH,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
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ctually clarify
these changes with regard to parts of the official shapefile spec, or
have they been found purely through experimentation?
ATB,
Mark.
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(I
can't remember if it's 32K or 64K at the moment).
If you try the same query from the command line in psql, you should be
able to see your geometries without any problems.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation p
ly by PostGIS so you don't need
to worry about it. In the 1.4 manual it's listed under "Exception
Functions" which really means you don't want to be using it unless
you're a developer.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostG
S 1.4 if you wish to trace through it yourself.
HTH,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
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ssing the Python development packages from your system
- if you install them, then the build should proceed normally.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
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Mark Cave-Ayland wrote:
Actually the original poster is right, and the message is not
particularly clear. Let me see about changing it...
Hmmm I think the original poster has misquoted the message. According to
SVN, if geos-config can't be found in the current path then the error
me
en you'll need to look at config.log which is
generated when you run configure. Note that if it's large, it makes more
sense to upload the contents onto a pastebin somewhere and send just the
link to the list.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostG
age is not
particularly clear. Let me see about changing it...
ATB,
Mark.
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x27;t work with PostGIS, but if you go with the versions above, you
should be fine.
HTH,
Mark.
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PostgreSQL - PostGIS
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there?
PGXS makes use of the DESTDIR variable for installation, so for a
relocated install all you need to do is:
./configure
make DESTDIR=/path/to/output install
HTH,
Mark.
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tion which doesn't
contain the files required for building PostgreSQL modules.
Installing the postgresql-server-dev package should resolve this.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.s
older version of PostGIS went wrong in the past, rather
than being a vanilla new install. Does this sound like it could be your
situation?
ATB,
Mark.
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PostgreSQL - PostGIS
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t
in a separate target.
However, a manual "make install" in the docs/ directory should attempt
to put things in the right place for you - if it doesn't, then please
let us know.
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation
also agree with Frank that this is something that you want to be very
careful with.
ATB,
Mark.
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oads table which is why it seq scans.
Assuming that all the geometries in your roads table are SRID 9102003,
then as a starting point, the following query should be quick:
SELECT * FROM roads WHERE ST_DWithin(roads.the_geom,
GeomFromText('POINT(-2026631.3499604 135
to a UTF-8 encoded database without any problems. I do agree
that the documentation on this is a little vague though (I had to refer
to the source to see what was happening...)
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control throu
ing the ouput above, your input geometry has a SRID of *4236*
whereas your dwr_well table has a SRID of *4326*. Looks like an
accidental typo in your application somewhere...
HTH,
Mark.
--
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PostgreSQL - PostGIS
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.
HTH,
Mark.
--
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PostgreSQL - PostGIS
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t: +44 870 608 0063
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___
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or a
new installation), while the table content is in spatial_ref_sys.sql. So
the short answer is to copy/paste the spatial_ref_sys table definition
from postgis.sql into psql/pgAdmin and everything should work fine.
I'm not necessarily sure that this is a bug, however it doesn't se
u send me the generated config.log file
off-list, and also let me know which version of autoconf you are using
(autoconf -V)?
TIA,
Mark.
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t: +4
up
script to ensure that LD_LIBRARY_PATH is being set correctly for the
postgres user when PostgreSQL is launched.
HTH,
Mark.
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PostgreSQL - PostGIS
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Si
e. So you can either tweak your
PostgreSQL startup script to include a LD_LIBRARY_PATH=/usr/local/lib
declaration (assuming you used the defaults when you built GEOS/PROJ.4),
or tweak /etc/ld.so.conf with the relevant locations and then re-run
ldconfig.
HTH,
Mark.
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Cave-Ayland - Senior Technical Architect
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to change to contents of a
single row.
HTH,
Mark.
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__
directory on the "gmake" command line if required.
Incidentally, I don't see any errors in your output, so it's a bit
difficult to understand what the problem is...
ATB,
M-D.
--
Mark Cave-Ayland - Senior Technical Architect
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Siri
ed something
in the new build system. Feel free to post the output of "make" and the
various regression diffs as as starting point.
ATB,
Mark.
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http://www.siriusi
/local/bin:$PATH ./configure
HTH,
Mark.
--
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geos-config executable in the current path. So the
quick check would be:
geos-config --version
HTH,
Mark.
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Mark.
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PostgreSQL - PostGIS
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Sirius Labs: http://www.siriusit.co.uk/labs
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postgis-
ision) does not exist
-bash-3.2$
Any ideas why last script fails?
Hmmm maybe the postgis_comments.sql generation script doesn't take into
account that you are using an older version of GEOS (pre 3.1)? Regina?
ATB,
Mark.
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n some test data
so that you can verify the results.
HTH,
Mark.
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PostgreSQL generate_series() function.
HTH,
Mark.
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_
oGrid() depending
the input geometry type (i.e. they are equivalent), so I'm not sure I
understand what you're trying to do?
ATB,
Mark.
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from here:
http://cid-40b8dee7bf5b661f.skydrive.live.com/self.aspx/.Public/data.tgz
Great, thanks for this! I'll see if I can find some time over the
weekend to find out what's happening in this test case.
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - Post
3?
PostgreSQL is complaining that the binary module is compiled for
PostgreSQL 8.3, whereas your server version is PostgreSQL 8.4.
You need to either find PostGIS packages for PostgreSQL 8.4, or build it
yourself from source - the 1.4 manual has a really helpful section on this.
HTH,
Mark.
strong
arguments for not doing this.
ATB,
Mark.
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probably work, but that's so old I'm afraid
you're on your own with that one...
ATB,
Mark.
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t: +
Paul Ramsey wrote:
Good question. An arc requires at least 3 points, but a linestring does not.
Mark?
I'm assuming you mean Mark L here, but just in case you don't then I
agree that this is a bug ;)
ATB,
Mark.
--
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ST_Union() in 1.4, does that mean that your
query worked in 1.3? And secondly, which version of GEOS are you using?
( SELECT postgis_full_version(); )
ATB,
Mark.
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http
inations then it's
just a standard file permissions issue. Check your file permissions
carefully.
HTH,
Mark.
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t
Suhr, Ralf wrote:
Hi Otto,
the libraryname has changed from liblwgeom.so to postgis-1.4.so.
Gr Ralf
Ralf is correct, although as before, "make install" will do all the
magic for you...
ATB,
Mark.
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Sirius C
Cave-Ayland - Senior Technical Architect
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postgis-users@postgis.refractions.net
http://postgis.refractions.net
done :(
ATB,
Mark.
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postgis-users@postgis.refraction
ches your
area of interest, then that should give you the best overall performance.
HTH,
Mark.
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__
1.951 121025.188)
(1 row)
(Note that there are some small rounding errors since the CIRCULARSTRING
conversions occur in different places, but again remember that these
conversions are lossy)
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius C
, however we can't really help you much without a test
case :)
ATB,
Mark.
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___
po
en 8.2/8.4
Leo
Hmmm this looks like the issue we had a while back, whereby the
pgis_getopt()/getopt() function struggles on some platforms - although I
thought Paul's last set of fixes had resolved this :(
ATB,
Mark.
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e
misunderstood the part about how to extract the binaries into the
PostgreSQL installation directory...
ATB,
Mark.
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_
of data in your tables. So the only way to get a feel for real
performance is to load in a reasonably large representative dataset and
then start digging into performance issues...
HTH,
Mark.
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Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - contr
ng.
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
t: +44 870 608 0063
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mentation/manual-1.3.7SVN/ch02.html#PGInstall
from step 7 onwards for what you need to do.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.
reSQL memory tuning
guide.
There is a reasonably good explanation of the various parameters in the
manual itself, but otherwise there are plenty of resources available to
find using Google.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporatio
r way around?
Nope. PostGIS uses the computer standard of X followed by Y. Hence for
"POINT(X Y)", X is longitude (or eastings) and Y is latitude (or
northings). This is true for all PostGIS functions, and I believe is the
same for all spatial databases too.
ATB,
Mark.
--
M
rd "configure; make install", the extra routines should be enabled.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
t: +44 870 608 0063
___
m this smells like a bug. Are you working with 1.4 or 1.3? Can you
post a specific test case for us to look at?
Many thanks,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
/postgis/ticket/123
Note that this patch won't apply "as-is" since the string-escaping parts
have already been applied to SVN trunk. Shouldn't be too far off though...
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation p
irm that the spatial_ref_sys entries for 23029 and 4326
are identical between the two servers?
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
t: +44 870 608 0063
__
?
I don't recognise the ST_AsUKML() variant, but the others still exist in
1.3.5 but with different function signatures (related to number of
parameters).
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through fr
a liblwgeom.so.1.2 in the PostgreSQL lib directory?
Another question. Is there a way to check if my Postgis is ok after
upgrade ?
No official way at the moment, other than running the regression tests.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sir
. This guarantees that the SQL
definitions and the PostGIS shared library are always in sync.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
t: +44 870 608 0063
_
uot; described in "Hard upgrade" in postgis
documentation. Is is important ? Are missing functions important ?
I'm not sure what you mean here as I don't see any references to
cleaning in the current manual?
ATB,
Mark.
--
M
ut not to the database server.
HTH,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
t: +44 870 608 0063
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