!
Best regards,
Martin Chapman
From: Kai Pastor, DG0YT
Sent: Tuesday, July 1, 2025 1:43 PM
To: mchap...@hyperacktive.com; 'Even Rouault' ;
gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] Building GDAL from VCPKG fails with FreeXL
- The freexl port builds in vcpkg CI, and th
complaining then I wouldn’t
waste time looking into it. If I have time later I will try to rebuild and
reproduce the error, it just takes an hour to build so can’t do it right now.
Thanks for your help though!
Best regards,
Martin Chapman
From: Even Rouault
Sent: Sunday, June 29, 2025 3:33
idn't
seem that important? Also, is there a way to specify what drivers not to
build without doing a custom-overlay port?
Best regards,
Martin Chapman
___
gdal-dev mailing list
gdal-dev@lists.osgeo.org
https://lists.osgeo.org/mailman/listinfo/gdal-dev
Abdul,
Maybe run gdal warp twice. First do the reproject and resample. Second, do
the cutline on the output from the first.
Martin
> On May 10, 2022, at 4:47 PM, Abdul Raheem Siddiqui
> wrote:
>
>
> Hello all,
>
> I would like to know if anyone in the community is aware of a way to cont
UTM zone
to WGS84. When we removed the et parameter the run times were way faster.
I will look into it further and let you know if I find anything.
Thanks again!
Best regards,
Martin Chapman
From: Even Rouault [mailto:even.roua...@spatialys.com]
Sent: Monday, June 7, 2021 11:07 AM
st regards,
Martin Chapman
___
gdal-dev mailing list
gdal-dev@lists.osgeo.org
https://lists.osgeo.org/mailman/listinfo/gdal-dev
Your point ordering is counter clockwise. Did you intend to add a hole? I
think exterior rings must be clockwise. Also, I think you need to set the
spatial reference of the ring.
Best regards,
Martin Chapman
> On Apr 18, 2020, at 7:15 AM, Andrew C Aitchison
> wrote:
>
> On
regards,
Martin Chapman
> On Mar 16, 2020, at 5:09 PM, Danilo da Rosa wrote:
>
>
> Hi!
>
> This may be a very basic question, but I can't find the answer anyware.
> I am working with this DEM obtained using terraincache, it uses mapzen data.
> The SRC is WGS 8
the OGR buffer
operation) will create a new geometry that is exactly the same as the input
because the buffer distance is zero but the GEOS API will attempt to correct
the topology of the new geometry.
Best regards,
Martin Chapman
From: gdal-dev [mailto:gdal-dev-boun
1 * b2 - a2 * b1;
if (determinant == 0) return FALSE;
x = (b2 * c1 - b1 * c2) / determinant;
y = (a1 * c2 - a2 * c1) / determinant;
return TRUE;
}
Best regards,
Martin Chapman
From: gdal-dev [mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Ahmet
Temiz
en Rouault [mailto:even.roua...@spatialys.com]
Sent: Wednesday, May 17, 2017 9:31 AM
To: Martin Chapman
Cc: 'SIMON Nicolas'; gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] MrSID Color Spaces
On mercredi 17 mai 2017 09:10:42 CEST Martin Chapman wrote:
> It's an enum value defined
Its an enum value defined in at least version 8.0 and greater. Maybe in
earlier versions but I am using version 9.1.
Martin
From: Even Rouault [mailto:even.roua...@spatialys.com]
Sent: Wednesday, May 17, 2017 8:39 AM
To: Martin Chapman
Cc: 'SIMON Nicolas'; gdal-dev@lists
Nicolas,
Looks good bud! Thanks!
Best regards,
Martin
From: SIMON Nicolas [mailto:nicolas.si...@spw.wallonie.be]
Sent: Wednesday, May 17, 2017 4:41 AM
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org; Even Rouault
Subject: RE: [gdal-dev] MrSID Color Spaces
Martin,
Could you test
Even or Frank or whoever it may concern,
Not a big deal but I was trying to open a JP2 file using the MrSID driver
and noticed that the mrsiddataset.cpp does not identify the color spaces
MRSID_LTI_COLORSPACE_GRAYSCALEA and MRSID_LTI_COLORSPACE_GRAYSCALEA_PM
configurations in the MrSIDRasterBan
, 2014 2:35 PM
To: gdal-dev@lists.osgeo.org
Cc: Martin Chapman
Subject: Re: [gdal-dev] State Plane to WGS84 Transformation problem with
false easting and northing values
Martin,
Yes this issue has been reported several times (last time was
http://lists.osgeo.org/pipermail/gdal-dev/2014-May/039251
Frank, Even or whoever,
I have a source geotiff that has the following projection:
PROJCS["State
Plane",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS
1980",6378137,298.2572221010002,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG"
,"6269"]],PRIMEM["Greenwich",0],UNIT["degree",0.0
Frank, Even or whoever,
I have a source geotiff that has the following projection:
PROJCS["State
Plane",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS
1980",6378137,298.2572221010002,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG"
,"6269"]],PRIMEM["Greenwich",0],UNIT["degree",0.0
FYI,
This is the same as doing:
Start Menu->All Programs->Microsoft Visual Studio 2010->Visual Studio
Tools->Visual Studio x64 Cross Tools Command Prompt (2010)
If you look at the properties of the shortcut it launches the same bat
file.
Best regards,
Martin
From: gdal-dev-boun
Mihaela,
You have to run nmake from the VC x64 command line window.
Goto:
Start Menu->All Programs->Microsoft Visual Studio 2010->Visual Studio
Tools->Visual Studio x64 Win64 Command Prompt (2010)
That will run the appropriate bat file for nmake and setup the x64
compiler options. C
en Rouault [mailto:even.roua...@mines-paris.org]
Sent: Saturday, February 09, 2013 6:36 AM
To: gdal-dev@lists.osgeo.org
Cc: Martin Chapman
Subject: Re: [gdal-dev] Pixel remap using the warp api question
Le vendredi 08 février 2013 23:35:26, Martin Chapman a écrit :
> I asked the following a couple of weeks
I asked the following a couple of weeks ago and never got a reply. Frank,
can you comment on this please?
.
I am trying to remap all "0" value pixels in the source images to the
value "1" in the output image using gdalwarp like so:
warpOptions->padfSrcNoDataReal[bandIndex] = 0;
warpOp
I am trying to remap all "0" value pixels in the source images to the
value "1" in the output image using gdalwarp like so:
warpOptions->padfSrcNoDataReal[bandIndex] = 0;
warpOptions->padfSrcNoDataImag[bandIndex] = NULL;
warpOptions->padfDstNoDataReal[bandIndex] = 1;
warpOptions->padfDstNoDa
Yehiyam,
You can read from different threads concurrently if each thread has its
own, unique GDALDataset handle. That means call GDALOpen() from each
thread on the same file path. Writing should be done from one thread.
Best regards,
Martin
From: gdal-dev-boun...@lists.osgeo.org
I don't know if this helps but I do this for S57 on startup of my app:
_putenv("OGR_S57_OPTIONS=RETURN_PRIMITIVES=ON,RETURN_LINKAGES=ON,LNAM_REFS
=ON,SPLIT_MULTIPOINT=ON,ADD_SOUNDG_DEPTH=ON");
CPLSetConfigOption("OGR_S57_OPTIONS",
"RETURN_PRIMITIVES=ON,RETURN_LINKAGES=ON,LNAM_REFS=ON,SPLIT_MUL
ation?
Best regards,
Martin Chapman
Software Developer
Pixia Corp.
45615 Willow Pond Plaza
Sterling, VA 20164
Main - 571.203.9665
Cell - 303.324.1065
chapm...@pixia.com
The information transmitted is intended only for the person or entity to
which it is addressed and may contain confidentia
...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Jeff McKenna
Sent: Thursday, September 06, 2012 1:15 PM
To: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] GEOS Ver 3.3.5 and GDAL Ver 1.91
On 12-09-06 4:09 PM, Martin Chapman wrote:
> That worked. Thanks for all your h
That worked. Thanks for all your help.
Martin
From: Kyle Shannon [mailto:k...@pobox.com]
Sent: Wednesday, September 05, 2012 2:16 PM
To: Martin Chapman
Cc: Joaquim Luis; gdal-dev@lists.osgeo.org; outr...@pixia.com
Subject: Re: [gdal-dev] GEOS Ver 3.3.5 and GDAL Ver 1.91
Martin,
Did
I love this user group. Thanks Joaquim!
Best regards,
Martin
From: Joaquim Luis [mailto:jl...@ualg.pt]
Sent: Wednesday, September 05, 2012 2:03 PM
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] GEOS Ver 3.3.5 and GDAL Ver 1.91
On 05-09-2012 20:33, Martin
I love this user group. Thanks Even!
Best regards,
Martin
-Original Message-
From: Even Rouault [mailto:even.roua...@mines-paris.org]
Sent: Wednesday, September 05, 2012 1:59 PM
To: gdal-dev@lists.osgeo.org
Cc: Martin Chapman
Subject: Re: [gdal-dev] GEOS Ver 3.3.5 and GDAL Ver 1.91
Le
All,
I am trying to compile GDAL 1.91 with GEOS version 3.3.5 on windows 7 x64
and the nmake.opt file does not seem to match the directory structure of
the latest GEOS. Am I missing something simple? Any help is much
appreciated.
Muchos gracias,
Martin
_
Even,
You are the man. Thanks bud!
Best regards,
Martin
-Original Message-
From: Even Rouault [mailto:even.roua...@mines-paris.org]
Sent: Sunday, August 26, 2012 1:04 AM
To: gdal-dev@lists.osgeo.org
Cc: Martin Chapman; 'Livneh Yehiyam'
Subject: Re: [gdal-dev] RPFTOC driver qu
or both?
Best regards,
Martin
From: Livneh Yehiyam [mailto:ye...@rafael.co.il]
Sent: Saturday, August 25, 2012 11:10 PM
To: Martin Chapman; gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] RPFTOC driver question
Martin
We have removed the check completly, and so far have not had any
Even,
I have an RPF dataset (CIB 5Meter in Zone 1) that will not display using
the RPFTOC driver because on line 605 of file
gdal19\gdal\frmts\nitf\rpftocdataset.cpp in function
RPFTOCProxyRasterDataSet::SanityCheckOK(GDALDataset* sourceDS) the line of
code:
WARN_CHECK_DS(fabs(adfGeoTransfo
Jorge,
It's a south up image. If the gsd x value is negative the image is an
east to west image. Normally a north up image will have a positive gsd x
and a negative gsd y.
Marty
-Original Message-
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behal
Even,
Thank you for your input on that. I figured that was a risky idea and it
is good to know the definitive answer.
Best regards,
Martin
-Original Message-
From: Even Rouault [mailto:even.roua...@mines-paris.org]
Sent: Thursday, August 02, 2012 2:13 AM
To: Martin Chapman
Cc
Kedar,
Think about it...how does GetNextFeature() know what feature is next?
It's because somewhere inside the datasource handle there is probably a
variable that is keeping track of what record is next. If multiple
threads are all using the same datasource handle then this variable is
probably g
Ari,
I really like the idea and your proposed functions. I would like to
propose additional ideas:
1. In addition to the spatial operations also have the spatial predicates
like intersects, contains, within, etc...
2. Add an additional spatial predicate called IntersectsEvenOdd that uses
the ev
You should be linking against gdal_i.lib.
Marty
-Original Message-
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of James Farrell
Sent: Monday, May 21, 2012 9:23 AM
To: Mateusz Loskot
Cc: gdal-dev@lists.osgeo.org
Subject: RE: [gdal-dev] Micros
Microsoft VS 2010 - build of GDAL 1.9 64 and 32 bit works for me.
Best regards,
Martin
-Original Message-
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Frank Warmerdam
Sent: Wednesday, April 11, 2012 12:56 PM
To: Hans Jonsson
Cc: gdal-dev@li
Robert,
If it makes you feel any better I tried to do the same thing recently only
using VS2010 (GDAL 1.9) and had the same issue. I think the main issue is
that the v2 branch is still in development and has morphed from the time
when the gdal driver was implemented. That was my best guess at
Oh sweet. I never knew that option existed in OGR! Thanks for the info
Even.
Marty
-Original Message-
From: Even Rouault [mailto:even.roua...@mines-paris.org]
Sent: Wednesday, April 04, 2012 1:12 PM
To: gdal-dev@lists.osgeo.org
Cc: Martin Chapman; 'Jukka Rahkonen'
Subject:
Try to execute this query before you start inserting:
"PRAGMA synchronous = 0;"
It turns synchronous writes off for sqlite and give a big performance
increase. I don't know if that will work for spatialite but it might.
You need to read about the ramifications on the sqlite web site first
though
regards,
Marty
From: Chaitanya kumar CH [mailto:chaitanya...@gmail.com]
Sent: Monday, March 19, 2012 1:00 PM
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] GdalWarp issue
Martin,
Change the resampling method and/or change the SAMPLE_STEPS warp option.
On Tue, Mar 20
All,
Please see the attached sub-region screen capture of an image I created
using gdalwarp 1.9. I used MS Paint to highlight in red several columns
of pixels that repeat a pattern from left to right across the image
(vertically only) where the pixels are the same color for both pixel
columns
58 AM
To: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] GEOS geometries SRS not set
On 12-02-20 10:54 AM, Martin Chapman wrote:
> It appears that when new OGR geometries are created using the spatial
> operations features of GEOS via OGR methods like ConvexHull, Buffer,
> etc. th
It appears that when new OGR geometries are created using the spatial
operations features of GEOS via OGR methods like ConvexHull, Buffer, etc.
that the spatial reference of the newly created OGR geometry is not
assigned. Is this by design or is it an oversight? If by design, what
was the reasoni
Sandro,
Thank you very much for the info!
Best regards,
Martin
From: sandro.santi...@gmail.com [mailto:sandro.santi...@gmail.com] On Behalf
Of Sandro Santilli
Sent: Tuesday, February 14, 2012 3:05 AM
To: Martin Chapman
Cc: pcr...@pcreso.com; gdal-dev@lists.osgeo.org
Subject: Re: [gdal
ack!
Best regards,
Martin
From: pcr...@pcreso.com [mailto:pcr...@pcreso.com]
Sent: Friday, February 10, 2012 10:33 PM
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] PostGIS SRID conundrum
ESRI does not use a SRID, it uses a text string that needs complex parsing
to w
I know this question isn't exactly related to GDAL but I thought someone
on the list might be able to answer this question.
So, I have a shape file that has the following spatial reference:
PROJCS["Orthographic",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["W
GS_1984",6378137,298.25722
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] Possible bug in OGRSpatialReference::
importFromWkt()
On Thu, Jan 12, 2012 at 6:30 PM, Martin Chapman
wrote:
> Frank,
>
>
>
> I think there is a bug in OGRSpatialReference::importFromWkt(). I did
> the
&g
Sorry, I said four bands when I meant three.
Marty
-Original Message-
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Martin Chapman
Sent: Thursday, January 12, 2012 8:11 PM
To: 'Joaquim Luis'; 'Timur Chabayev'
Cc: gdal
An easy way to handle this would be to create a 3 band bitmap using the
windows gdi, in other words the bitmapinfo bits should be 24 (8 bits for
each band). Then use the single band from the source image for every band
. Red, green and blue. Otherwise you will have to handle palletted like
Joaqu
Frank,
I think there is a bug in OGRSpatialReference::importFromWkt(). I did the
following:
char* wkt = NULL;
sourceSRS.exportToWkt(&wkt);
targetSRS.importFromWkt(&wkt);
CPLFree(wkt);
It blows up on the CPLFree(). Why you might ask. Because it looks like
the importFromWkt() incre
...@gmail.com] On Behalf Of
Frank Warmerdam
Sent: Monday, January 09, 2012 7:16 PM
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] FYI - embedding overviews into read only file
Martin,
In general GDAL is very poor about checking read-only vs. read-write
status. I presume
Frank,
It just dawned on me that yesterday I used the following code to open a
raster file like so:
mDataSource = (GDALDataset*) GDALOpen(filePath.c_str(), GA_ReadOnly);
And then used the GDALDefaultOverviews class to embed some overviews into
the file. Shouldn't the API prevent that i
Thanks Mateusz. I figured I was doing something wrong. Your feedback is
much appreciated.
Marty
-Original Message-
From: Mateusz Łoskot [mailto:mate...@loskot.net]
Sent: Saturday, November 26, 2011 6:02 PM
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] Compile
ponse.
Best regards,
Marty
From: Joaquim Luis [mailto:jl...@ualg.pt]
Sent: Saturday, November 26, 2011 5:29 PM
To: Martin Chapman
Cc: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] Compile GDAL for x86 on an x64 machine
On 27-11-2011 00:07, Martin Chapman wrote:
All,
I am using a Wi
All,
I am using a Windows 7 x64 machine with VS 2010 with both x86 and x64
compile tools. When I try to build gdal for x64 using the make file from
the Win64 command prompt and WIN64 = YES in the nmake.opt file everything
compiles fine. (using gdal 181 by the way). If I try to compile it for
\
-sql 'select * from "polb...@bnd(*)_line" where use=26'
Martin
-Original Message-
From: Christopher Barker [mailto:chris.bar...@noaa.gov]
Sent: Thursday, January 14, 2010 2:22 PM
To: chapm...@pixia.com
Cc: 'gdal-dev'
Subject: Re: [gdal-dev] reading VPF f
.
Martin
--Original Message--
From: Christopher Barker
To: chapm...@pixia.com
Cc: 'gdal-dev'
Subject: Re: [gdal-dev] reading VPF format NGA DNCs
Sent: Jan 14, 2010 2:21 PM
Martin Chapman wrote:
> Do you have the OGDI driver built and configured into GDAL?
well, orginfo tells
Do you have the OGDI driver built and configured into GDAL?
Martin
-Original Message-
From: Christopher Barker
Date: Thu, 14 Jan 2010 13:08:46
To: 'gdal-dev'
Subject: [gdal-dev] reading VPF format NGA DNCs
Hi folks,
I'm trying to use gdal(ogr) to read NGA vector nautical charts, which
Frank,
In the file NITFDatasetCreate.cpp in the function NITFDatasetCreate() if the
compression option is set to C8 (JPEG2000) it looks like you:
1. get a handle to an installed J2K driver if available.
2. test for metadata creation capability.
3. create the nitf file.
4.
Colorado
and use to climb a lot when I was younger. Really cool pics!
Martin
-Original Message-
From: Mateusz Loskot [mailto:mate...@loskot.net]
Sent: Saturday, September 05, 2009 3:17 PM
To: Stefan Moebius
Cc: Martin Chapman; gdal-dev@lists.osgeo.org; 'Martin Hvidberg'
Subject:
Carol,
If you write code the way to go about mosaicing all rpf frame files into one
image would be to create a GDAL MEM dataset that is the width and height of
an entire RPF Boundary. Then loop through each Frame file in the Boundary,
open up each Frame file with the GDAL NITF driver and copy the
Carol,
Also see the switch:
src_dataset:
The source dataset name. It can be either file name, URL of data
source or subdataset name for multi-dataset files.
Martin
-Original Message-
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of R
Carol,
http://www.gdal.org/gdal_translate.html says the command switch:
-sds:
Copy all subdatasets of this file to individual output files. Use
withformats like HDF or OGDI that have subdatasets.
OGDI is the old RP driver so I imagine it applies. Maybe that's what you
need. Also,
I am a glutton for pain. :)
-Original Message-
From: Joaquim Luis [mailto:jl...@ualg.pt]
Sent: Thursday, September 03, 2009 2:25 PM
To: Harsh Govind
Cc: Martin Chapman; 'Martin Hvidberg'; gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] Missing msvcr80.dll ?
Harsh Govind wr
adac.com]
Sent: Thursday, September 03, 2009 2:21 PM
To: Martin Chapman; 'Martin Hvidberg'; gdal-dev@lists.osgeo.org
Subject: RE: [gdal-dev] Missing msvcr80.dll ?
And unlike previous versions (msvcrt71) you cannot copy over 8.0 versions
dlls from somewhere to your application directory in orde
Martin
Here are the links for VC2005 redist installs:
x86: (win 32 bit)
http://www.microsoft.com/downloads/details.aspx?FamilyId=32BC1BEE-A3F9-4C13-
9C99-220B62A191EE&displaylang=en
x64: (win 64 bit)
http://www.microsoft.com/downloads/details.aspx?FamilyId=90548130-4468-4BBC-
9673-D6ACABD5D13B
Martin,
Sounds like that copy of GDAL you have has a manifest dependency on that
version of the C runtime. You can download the vcredist.exe for the 8.0
version of the CRT from Microsoft and install it on that computer or make
your own by including the merge module for that CRT in a custom setup
testing.
Best regards,
Martin
-Original Message-
From: Even Rouault [mailto:even.roua...@mines-paris.org]
Sent: Wednesday, August 26, 2009 4:33 PM
To: Martin Chapman
Cc: 'Frank Warmerdam'; 'Even Rouault'; 'Gdal-Dev'
Subject: RE: Optimizing random access in SQ
tion.
How does that sound?
Martin
-Original Message-
From: Frank Warmerdam [mailto:warmer...@pobox.com]
Sent: Wednesday, August 26, 2009 4:02 PM
To: Even Rouault
Cc: Martin Chapman; Gdal-Dev
Subject: Re: Optimizing random access in SQL result set of OGR DB drivers
Even Rouault wrote:
&
Thanks Martin!
_
From: Martin Chapman [mailto:chapm...@pixia.com]
Sent: Thursday, August 06, 2009 4:09 PM
To: 'Martin Chapman'; gdal-dev@lists.osgeo.org
Subject: RE: [gdal-dev] RasterIO Writing Packed RGB data
Answered my on question: It is:
outputDataset->Rast
Answered my on question: It is:
outputDataset->RasterIO(GF_Write, 0, 0, width, height, buffer, width,
height, GDT_Byte, numBands, NULL, 3, 3 * width, 1);
Martin
_
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Martin Chapman
S
I'm using the RasterIO method on the GDALDataset object and trying to write
a buffer where the pixels are packed as RGBRGBRGB etc. and having trouble
figuring out what parameters to pass as the pixel, line and band space. My
desired output is a 3 band geotiff and the source and dest datatype is by
Good question. I imagine it is extra work for Frank that falls low on the
priority list. :)
Martin
-Original Message-
From: Belaid MOA
Date: Wed, 29 Jul 2009 18:46:28
To: ;
Subject: RE: [gdal-dev] JPEG format.
That's excellent to know! Thanks a lot Martin. Instead of gettin
Use:
if (!pDriver->TestCapability(ODrCCreateDataSource))
to test create capabilties of the driver.
I think jpeg driver only supports CreateCopy().
You could use the Memory dataset to create a different size dataset and then
use the jpeg driver to save it to disk.
Martin
From
ot;, FALSE, NULL );
for c.
see http://www.gdal.org/ogr/ogr_apitut.html for more info
Martin
From: Martin Chapman [mailto:chapm...@pixia.com]
Sent: Monday, July 20, 2009 3:48 PM
To: 'Smart, Gary'; 'gdal-dev@lists.osgeo.org'
Subject: RE: [gdal-dev] How do I ope
Call OGRRegisterAll(); on the line right before GDALOpen();
Martin
From: gdal-dev-boun...@lists.osgeo.org
[mailto:gdal-dev-boun...@lists.osgeo.org] On Behalf Of Smart, Gary
Sent: Monday, July 20, 2009 2:51 PM
To: gdal-dev@lists.osgeo.org
Subject: [gdal-dev] How do I open vector files (e.g.
under the
FWTools directory somewhere? There is no GDAL source in this directory
just include files and libraries. I presumed this was all that was needed
to use GDAL?
_
From: Martin Chapman [mailto:chapm...@pixia.com]
Sent: 20 July 2009 14:49
To: Smart, Gary; gdal-dev
Gary,
Set your paths like such on startup or as an environment variable:
GDAL_DATA points at the data dir that comes with gdal source.
PROJ_LIB point to the nad directory that you download from proj4 website.
string env = string("GDAL_DATA=") + dataPath;
_putenv(env.c_str());
env = s
Frank,
I should also add that I am using proj 4.6.1.
Martin
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Frank,
I noticed in the /src/makefile.vc for proj4 that the config entries for
nadshift is missing an entry for the FL.lla file. I didn't know if this was
a big deal, but I thought it probably matters for datum shifts in Florida.
Anyway I thought you would want to know. Also, I usually deploy
Joel,
I debug into gdal source from visual studio all the time. Here is what I
do:
1. Use nmake to build gdal from the command line with the nmake.opt file set
to build gdal in the debug configuration.
2. Copy the gdalxxx.dll, gdalxxx_i.lib and gdalxxx.pdb to the same directory
as my application
All,
I'm using GDAL on windows mobile 6.0 and when I set the runtime switch to be
/MD I get the following errors. /MT works fine:
1>ogrfeaturequery.cpp
1>C:\Program Files\Windows Mobile 6 SDK\PocketPC\include\ARMV4I\time.h(200)
: error C2375: 'wceex_ctime' : redefinition; different linkag
If anyone is interested the following code has been used safely on Windows
and Linux for thread safe reference counting. You can paste it into a
header file if you want, or use it as a guide. It uses pthreads on Linux
and the Win32 thread functions on Windows with InterlockedIncrement() and
Inter
Frank,
In the file shptree.c on line 261 (psShape = SHPReadObject( hSHP, iShape
);) in function SHPCreateTree() when the call to SHPReadObject() returns
NULL the code crashes because the following line (262) tries to use the
psShape pointer without checking if it is NULL. SHPReadObject() correct
FYI...I use gdal contour a lot for placing Tactical Access Points in the
field for our customers. Works really good in my opinion.
Martin
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Frank Warmerdam
Sent: Tuesday, September 16, 2008 10:11 AM
To: Anton
Joel,
Did you add "gdal_i.lib" to your linker input property in the project
settings?
Martin
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Joel Odom
Sent: Friday, September 05, 2008 1:12 PM
To: gdal-dev@lists.osgeo.org
Subject: [gdal-dev] Newbie Developer Question About
Silvia,
The d in gdal15d-vc8 means debug version. Run your IDE in release mode and
make sure the .dll file is in the same directory as your application .exe.
If you want to use the dll in debug mode, my suggestion is to get the source
code via SVN and compile it locally. It's really easy to d
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