Some of Phil's and Andre's words require correction:
Just because it is so simple mathematically, the Plate Carree (or
equi-rectangular) projection is no less of a projection than others.
Like /all /projections, it has its distortions and yet it preserves some
geometrics. It is in the class kn
Jesse,
i believe I've run into this before. The GDALWarpOptions has a
member, padfDstNoDataReal. It is an array of doubles nBands in size.
Create that, fill it in with your no data values and set the Warp
Option INIT_DEST to NO_DATA:
psWarpOptions = GDALCreateWarpOptions();
Hello List,
Im having some trouble with the C api, that I assume is do my failure to
understand some part of it.
What I'm trying to do: Load a BSB raster file, apply a cutline to the file, and
warp it into a north-up projection. Im doing additional transformations to it
after that, but right no
Le lundi 10 juin 2013 18:13:47, Baker, Anthony W a écrit :
> I have a NITF file which I can read fine with GDAL. The issue that it is a
> chip and using the transformation to determine geolocations fails (for
> example finding the chip's four corners). Instead of placing a point
> based on the ch
You are correct in that imaging a round earth on a flat screen must
involve projection. However, there is no one projection that is fit for
all purposes so it is pretty normal to store data sets in GCS and
project on-the-fly into whatever projection is fit for purpose. To
complicate matters, de
One possible answer seems to be to use ICHIP_OP_**_** and ICHIP_FI_**_**
Using the _OP_ metadata I form a row-wise 2x2 projection matrix with _12 - _11
as one row and _21 - _11 as the other. With _FI_ I form a column-wise 2x2
projection matrix with _12 - _11 and _21 - _11 as the columns. App
I have a NITF file which I can read fine with GDAL. The issue that it is a
chip and using the transformation to determine geolocations fails (for example
finding the chip's four corners). Instead of placing a point based on the
chip, it places it based on the whole image. I can read the metad
Le 10/06/2013 17:44, Andre Joost a écrit :
What you see on the screen, is in fact projected, but with a simple one
degree = one unit on the screen projection. The extent of that map is
still +/- 180°/90°
This projection is the same as "Plate carrée" (EPSG:32663), except that
the units are deg
Maning,
Could you try GDAL 1.10.0 which has an upgraded GFT (Google Fusion Tables)
driver. There were some changes in how the login stuff worked in January
or so on the google side.
Make sure you read over the format driver page for details of usage.
http://www.gdal.org/ogr/drv_gft.html
Best
Am 10.06.2013 08:37, schrieb adi_khan:
Hi all,
I am a novice to geospatialrelated terminology...and going through some
literature to understand better..
Could someone please tell difference btwn geographic and projected
coordinate system...
I mean, I am not able to imagine how I can see an (sate
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