On Thu, 27 Jun 2024 at 09:45, Even Rouault wrote:
>
> Hi Nyall,
>
> > Reading through the vrt schema, I see that there's currently support
> > for open options for sources, but I can't see any support documented
> > for VSI credential options.
> >
> > Has this been considered in the past?
> not th
Hi list,
Reading through the vrt schema, I see that there's currently support
for open options for sources, but I can't see any support documented
for VSI credential options.
Has this been considered in the past? I'm unsure if it's an omission
by design (i.e. preventing plain text storage of cred
runs, it checks that the
> geometry hasn't changed, so as you mention rtreeUpdate running, I
> suspect you change the geometries as well, in which case I have no
> suggestion.
There was definitely no (intentional) geometry modification happening 🤷
Nyall
>
> Even
>
> Le 12/06
Hi list,
I'm trying to understand some unexpected behavior I'm seeing while
profiling bulk attribute changes in a GPKG file.
First, I start a transaction on the layer using OGR_L_StartTransaction.
This is successful.
I then make many calls to OGR_L_SetFeature, changing different features,
before
On Sat, 16 Dec 2023, 1:03 am Even Rouault via gdal-dev, <
gdal-dev@lists.osgeo.org> wrote:
>
> Le 15/12/2023 à 15:49, Sebastiaan Couwenberg via gdal-dev a écrit :
> > On 12/15/23 15:35, Even Rouault via gdal-dev wrote:
> >> Thoughts ? (given the length of the email, it should probably be
> >> form
Hi list!
This may be a long shot, but has anyone any experience with accessing
content stored on Sharepoint directly through GDAL? I'm not referring
to content synced locally (which works), but rather content in a
shared sharepoint folder which a user typically just accesses via the
web.
It looks
Hi list,
Is there any word on when the GDAL 3.7 release might be finalised?
(There's so much exciting changes in this release and I'm keen for
them to hit users!)
Nyall
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> PS: I believe I joked some time ago that it was a pity that GDAL, GEOS, QGIS,
> PostGIS, ... didn't share the same geometry classes given that they all
> implement the same Single Features/ ISO SQL MM Part 3 model (it is kind of
> crazy that we have all to implement WKB, WKT, etc etc), but it
On Wed, 3 Aug 2022 at 02:25, Even Rouault wrote:
>
>
> Le 02/08/2022 à 09:42, Michael Sumner a écrit :
> > Is it possible to determine the default SQL dialect that will be used
> > in the C++ API?
>
> Short answer: no
>
> Long answer: for a driver that is backed by a SQL engine (SQLite, GPKG,
> P
On Wed, 27 Jul 2022 at 23:36, andy wrote:
>
> Hi,
> I have compiled GDAL to enable PGeo, and now I have it in --formats.
>
> But if I run "ogrinfo PGeo:input.mdb", I have
>
> ERROR 1: PGeo: MDB Tools driver not found!
> Warning 1: Unable to install MDB driver for ODBC, MDB access may not
> suppor
On Thu, 14 Jul 2022 at 10:21, Travis Featherston wrote:
>
> I'm unable to see the ESRI FileGDB driver after enabling it in the Dockerfile
>
> Steps
> 1) git clone https://github.com/OSGeo/gdal.git
> 2) Edit docker/ubuntu-full/Dockerfile; set ARG WITH_FILEGDB=yes
> 3) ubuntu-full/build.sh --release
Hi list,
I'm looking for any tips on potential approaches I could use to
automagically guess that a particular band from a data source
represents an elevation surface.
I haven't been able to find any common metadata components in the
files I've investigated which could help indicate this, but may
Hi list,
Slightly off-topic question (but I figure the people who would know
would be subscribed to this list):
Is anyone aware if there's been **any** talk/movement toward formally
introducing bezier and/or elliptical curve support into the SF/SQL/MM
specifications? Has anyone come across any in
y pleasure to put forward a motion to approve
> > Nyall Dawson as a contracted GDAL maintainer for the year 2021-2022
> > beginning on October 1st, 2021 and ending September 30th, 2022.
> >
> > Details of the maintenance tasking and duties can be found at the
e PGeo driver. Except that MDBTools emits errors on
> the console when trying on a non-existing table. I guess some quick
> processing of the SQL string could be done to extract the table name,
> check if it exists and it it doesn't just emits a OGR error. Or have a
> special handli
Hi list,
Looking for some advice here on the best way to handle a particular
situation in some particular GDAL formats, specifically formats which
have a bunch of internal or system tables which we don't want to
expose to users in 99.9% of cases BUT still allowing the 0.01%
to explicitly g
On Thu, 27 May 2021 at 23:40, Even Rouault wrote:
>
> Hi,
>
> - merging the underlying API without any format support is I believe of
> little interest.
Well.. it would give users the command line tools to do static <->
dynamic transformation of data with the epoch specified in the command
line a
On Tue, 25 May 2021 at 23:58, Even Rouault wrote:
>
>
> Le 25/05/2021 à 15:30, Howard Butler a écrit :
> >
> >> On May 24, 2021, at 5:39 PM, Sean Gillies wrote:
> >>
> >> Howard, are you suggesting that there should be a configuration option to
> >> opt in to this new feature?
> > Yes, I think i
On Tue, 11 May 2021 at 00:00, Even Rouault wrote:
>
> I've formalized that work as a RFC : https://github.com/OSGeo/gdal/pull/3827
>
> Le 10/05/2021 à 13:38, Even Rouault a écrit :
> > Hi,
> >
> > for those not actively tracking github pull requests, I wanted to
> > point at https://github.com/OSG
On Sat, 6 Mar 2021 at 04:31, Even Rouault wrote:
>
> Hi,
>
> following recent discussions about maintenance, I've initiated
>
> https://github.com/OSGeo/gdal/wiki/Maintainers-per-sub-system
This is looking rather sad at the moment. I'd be willing to take on
the pgeo and mdb drivers if no-one more
Hi Aaron!
I'm honestly a little confused reading your reply, as it seems to
contradict itself:
> As for the scarcity of open source expertise along with JPEG 2000, I also
> agree. But the bar to entry
> isn't as high as it used to be - we have high-quality open source
> implementations, so anyo
On Thu, 14 Jan 2021 at 06:24, David Strip wrote:
> What is the path forward? One path Howard suggests is establishing a
> foundation similar to that behind Qgis. Another alternative, probably far
> more controversial, is a license change.
I'm pretty clueless regarding licenses -- but this is a
On Thu, 14 Jan 2021 at 07:26, Javier Jimenez Shaw wrote:
> - How to finance the development of GDAL? Well, do not forget that Even is
> also working a lot in PROJ, a library by the way used by GDAL... (should GDAL
> contribute to PROJ, as QGIS should contribute to GDAL and PROJ?)
For reference
On Mon, 11 Jan 2021 at 09:50, Jan Heckman wrote:
>
> A bit of googling sometimes gives an indication. I was a little confused
> about SVG, not using it myself but getting quite a few references.
> E.g. this one in stackexchange, with a mention how often it was looked up:
> https://gis.stackexchan
On Tue, 22 Sep 2020 at 20:47, Even Rouault wrote:
>
> Nyall,
>
>
>
> I don't necessarily have much to add to Andrea's excellent analysis. So the
> value of and are interpreted as "width/height in user unit",
> and written unmodified for the MediaBox array.
>
> The value is multiplied by 1./72
On Tue, 22 Sep 2020 at 16:36, Andrea Giudiceandrea
wrote:
>
> Nyall Dawson wrote
> > Actually it's a bit more complex than this, because regardless of the
> > DPI specified for the page, the width/height have to be specified in
> > size in inches * 72! (i.e. there&#x
Hi list,
While attempting to fix https://github.com/qgis/QGIS/issues/33465 I'm
running into some confusion about the meaning of pdfCoordinateType
values in GeoPDF composition.xml files.
The example composition.xml from
https://gdal.org/drivers/raster/pdf.html includes:
72
10
Hi list,
While looking into https://github.com/OSGeo/gdal/issues/2894 , I hit a
bit of confusion about the expected encoding of OGR dataset layer
names.
I've been looking over the related RFCS:
- https://gdal.org/development/rfc/rfc5_unicode.html
- https://gdal.org/development/rfc/rfc23_ogr_unico
On Tue, 28 Apr 2020 at 03:21, Even Rouault wrote:
> One year between feature versions is quite a lot. Perhaps 6 months would be a
> good compromise between having enough time to mature a complex feature and
> faster delivery of it to people not directly consuming master. A consequence
> of thi
On Fri, 3 Apr 2020 at 12:11, Nyall Dawson wrote:
>
> On Thu, 2 Apr 2020 at 22:58, Even Rouault wrote:
>
> > Thanks for your thoughts. I've taken an intermediate approach between my
> > initial thoughts and your suggestion, which I hope should be a reasona
On Thu, 2 Apr 2020 at 22:58, Even Rouault wrote:
> Thanks for your thoughts. I've taken an intermediate approach between my
> initial thoughts and your suggestion, which I hope should be a reasonable
> default behaviour
>
>
>
> Implemented per https://github.com/OSGeo/gdal/pull/2370:
Just want
t;
> Sandro
>
> [1] https://pagure.io/fesco/issue/2345
>
> >> Sandro
> >>
> >> [1] https://copr.fedorainfracloud.org/coprs/smani/gisstack/
> >>
> >> On 23.02.20 01:45, Nyall Dawson wrote:
> >>
> >> Hi list,
> >>
> >
> [1] https://copr.fedorainfracloud.org/coprs/smani/gisstack/
>
> On 23.02.20 01:45, Nyall Dawson wrote:
>
> Hi list,
>
> Does anyone with any knowledge of the fedora packaging infrastructure
> have any advice for getting the gdal library updated in the fedora
> repos?
>
Hi list,
Does anyone with any knowledge of the fedora packaging infrastructure
have any advice for getting the gdal library updated in the fedora
repos?
Even on the most recent Fedora releases, this is stuck at absolutely
ancient versions (2.3!).
Worse is that the proj library has been updated,
On Wed, 18 Dec 2019 at 04:37, Even Rouault wrote:
>
> Hi,
>
> Following a number of exchanges on the PROJ mailing list, related to PROJ 6
> integration in QGIS, I've prepared a pull request changing a bit how we deal
> with the 'early-binding' TOWGS84 term in
> https://github.com/OSGeo/gdal/pull/2
On Tue, 10 Dec 2019 at 22:13, Even Rouault wrote:
> For everyone understanding, I had preliminary contacts with them beginning of
> 2018 about the MapInfo Extended part, when they tried to know how to get it
> into GDAL. At that time, I did suggest to them that extending MITAB would be
> the most
Hi list,
I just read this comment on the Pitney Bowes pull request regarding
extended tab/mrr support:
"After discussing with the GDAL PSC, we will be splitting this into
two separate PRs for the two drivers. We will also be following the
plugin model for both EFAL and MRR format driver."
(https:
On Thu, 7 Nov 2019 at 20:05, Roger Bivand wrote:
> Thanks for contributing! In research reproducibility, being able now to
> get the same results as when the research was conducted using the same
> software is basic.
(again, apologies if I'm ignorant here -- I'm coming from a totally
different d
On Wed, 30 Oct 2019 at 06:16, Even Rouault wrote:
>
> > I realise this too, but to permit legacy results to be replicated,
>
> Some legacy behaviour was just plain wrong/inaccurate. Trying to replicate it
> in PROJ would be heartbreaking, an extra maintaince burden, and a confusion
> for PROJ user
On Thu, 24 Oct 2019 at 06:10, Even Rouault wrote:
>
> Hi Jeremy,
> >
> > Is there a OGR Python API to load Esri JSON into an OGR geometry object,
> > much like CreateGeometryFromJson?
>
> If you update to latest master, yes:
> https://github.com/OSGeo/gdal/commit/5dadb24e3b9a1364ad3792ca63cd931292
Hi list,
If I have a bunch of say shapefiles in a folder, OGR is happy to let
me access these as a dataset, e.g.
da = r"/home/nyall/dev/QGIS/tests/testdata"
driver = ogr.GetDriverByName('ESRI Shapefile')
dataSource = driver.Open(da, 0)
for i in dataSource:
print(i.GetName())
My question is
On Mon, 20 May 2019 at 02:55, Howard Butler wrote:
>
> All,
>
> A successful OSGeo Community Sprint [1] saw myself, Even Rouault, Mateusz
> Loskot, and Dan Baston furiously migrating and organizing gdal.org content
> into a Sphinx-based organization. An example of that effort can be seen on
> h
On Thu, 2 May 2019 at 04:56, Even Rouault wrote:
>
> Hi,
>
>
> As a feedback from the previous motion, it appears that GDAL 3.0 would
>
> probably better reflect the API & behaviour changes that have been done, and
>
> be in accordance with our HOWTO-RELEASE procedure and semantic versionning
I'm
On Mon, 29 Apr 2019 at 16:10, Richard Duivenvoorde wrote:
>
> On 29/04/2019 03.26, Nyall Dawson wrote:
> > Hi list,
> >
> > Trying to build gdal master using proj master today I'm unable to
> > resolve a bunch of "undefined reference to
> > `proj_c
Hi list,
Trying to build gdal master using proj master today I'm unable to
resolve a bunch of "undefined reference to
`proj_create_conversion_oblique_stereographic'" style errors. I think
my issues come from trying to keep the custom proj build isolated from
my system version, but I'm stumped in h
On Mon, 18 Mar 2019 at 09:06, Even Rouault wrote:
>
> Hi,
>
> I've just seen that QGIS has started using a github backporting application,
> https://github.com/apps/backporting, and I've just setup it for GDAL and PROJ
>
> So the workflow is :
> 1) Create a pull request against master
> 2) If back
On Mon, 11 Feb 2019 at 23:33, Andrea Aime wrote:
> I've tried to open a relatively small file, 20MB, 200k lines, works and
> displays fine, the
> in memory spatial index (from the docs, "By default, it will also build on
> the fly a in-memory spatial index during the first sequential read of a
On Thu, 7 Feb 2019 at 19:12, Even Rouault wrote:
>
> On mercredi 6 février 2019 19:54:29 CET Sean Gillies wrote:
> > Hi Nyall,
> >
> > Even will have the final word on this, but as far as I know, the
> > information printed when you turn on the following option
> >
> > https://trac.osgeo.org/gda
Hi list,
I'm guessing this is a long-shot, but is there any API within GDAL
which allows clients to be notified about outgoing network requests
created by the different GDAL drivers?
I'm looking to get some useful information regarding these for
end-user debugging purposes...
Nyall
_
On Wed, 14 Nov 2018 at 01:03, Even Rouault wrote:
> Looking at QGIS code, it uses GEOS prepared geometry mechanism with the clip
> geometry, so as to speed up intersection operations on it. Whereas ogr2ogr -
> clipsrc uses the 'naive' intersection function. I guess this is the reason for
> the sp
On Fri, 26 Oct 2018 at 02:30, Jerry Faust wrote:
>
> Hello.
>
>
>
> I created a few tables in SQL Server by importing Shapefiles using ogr2ogr.
> I am able to edit the features, but have not been able to add new features.
>
>
>
> After stepping through the code, it appears that after successfull
On 15 December 2017 at 07:59, Mateusz Loskot wrote:
> On 14 December 2017 at 22:57, Nyall Dawson wrote:
>> On 15 December 2017 at 03:35, Kurt Schwehr wrote:
>>> About to start dropping virtual when there is override
>>
>> What process are you using to drop the
On 15 December 2017 at 03:35, Kurt Schwehr wrote:
> About to start dropping virtual when there is override
What process are you using to drop the "virtual" keywords here? We've
got them all over QGIS, and I'd love to find an easy way to remove
them.
Nyall
On 10 December 2017 at 00:58, Even Rouault wrote:
> As underlined by Alvaro and Ari, the format doesn't distinguish PointZ and
> PointZM in the header.
>
> GDAL has a logic to look by default at the first geometry
> (ADJUST_GEOM_TYPE=FIRST_SHAPE open option) and see if it has a non nodata M
> valu
Hi all,
I'm trying to track down some odd behaviour in QGIS, and determine
whether this is a qgis bug, gdal bug, or shapefile limitation.
If I create a new shapefile layer using GDALDatasetCreateLayer, with a
geometry type of wkbPoint25D (actually any of the 25D) types, then the
resultant layer A
On 5 November 2017 at 19:36, Even Rouault wrote:
> On dimanche 5 novembre 2017 13:16:43 CET Nyall Dawson wrote:
>
> There's indeed no driver metadata for this currently.
>
Thanks. PR at https://github.com/OSGeo/gdal/pull/259
Nyall
___
Hi all,
I'm wondering if there's any way of determining through driver
metadata whether a particular format supports geometry or not?
Looking through the metadata shown by ogrinfo --format, I can't see
anything that could be used to differentiate spatial formats vs
non-spatial formats (eg xls, xl
On 1 November 2017 at 21:02, Even Rouault wrote:
> So null or empty geometries are never selected when a spatial filter is set.
> This last behaviour seems to be the most logical for me, and I'd propose we
> adopt it for non-SQL based drivers as well.
My 2c is also that empty/null geometries do
On 25 April 2017 at 07:01, Even Rouault wrote:
>
>> 5) require GDAL < 2.2 for building QGIS 2.18
What about
6) #ifdef the offending plugin out in 2.18 for GDAL >= 2.2?
Given that the plugin is removed in QGIS 3.0 anyway, I think early
retirement is a perfectly valid option. It's also the best
On 13 January 2017 at 02:57, Greg Troxel wrote:
>
> Kurt Schwehr writes:
>
> If no other packages start to depend on unreleased GDAL, and the first
> GDAL release requiring C++11 is a ways off, and by then enough other
> things require it that a system not having a C++11 compiler is totally
> non
On 6 Jan 2017 7:37 AM, "Paul Meems" wrote:
We're using GDAL v2.1.2 on Windows.
We use the GDAL library with MapWinGIS to connect to a PostGIS database.
When the PostGIS table has NULL values in integer, numeric or double fields
and that data is read the returned values are 0 (zero), which is une
On 16 Jun 2016 21:27, "Frank Broniewski" wrote:
>
> Ok, finally l found some time to investigate into making GeoPDF files
from QGIS map composer PDFs. I've created a small python script to aid me
in the creation of the GeoPDF (https://github.com/frankbroniewski/GeoPDF).
It basically takes paramete
On 19 May 2016 at 01:10, Even Rouault wrote:
> Le mercredi 18 mai 2016 16:50:03, Frank Broniewski a écrit :
>> Hi,
>>
>> I want to turn my QGIS map composer PDF into a GeoPDF or a geospatial
>> PDF. Unfortunately that is not supported, just on a per layer basis from
>> within the main program. I c
On 19 February 2016 at 11:23, Even Rouault wrote:
> Le vendredi 19 février 2016 00:55:21, Nyall Dawson a écrit :
>> Hi all,
>>
>> I'm aware that for drivers I can use OGR_Dr_TestCapability to
>> determine whether a particular driver as a specific capability. But is
Hi all,
I'm aware that for drivers I can use OGR_Dr_TestCapability to
determine whether a particular driver as a specific capability. But is
there anyway to test whether a specific driver also has support for a
layer capability?
The situation is that I'd like to populate a list with all available
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