Hi list,
Is it possible to convert all layers in a VPF database to shapefiles without
knowing about the layers included, in Windows with ogr2ogr?
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Hi,
I have been suspecting that JP2ECW driver does not handle lossless jpeg2000
images correctly and now I am pretty sure that it is true at least with images
compressed with Kakadu.
I made a test by using FWTools 2.2.8 on Windows. I took a 100x100 pixel sized
test image in tif format and
Hello,
Iam new to GDAL and Iam writing actually a test application to get familiar
with this library. In general Iam using GDAL only for reading and writing
ENVI files.
Iam reading ENVI files via:
Dataset ds = Gdal.Open(EnviPath, Access.GA_Update);
My question is now: How to write back
geojasper includes a utility that conveniently compares a GeoTif
image to a GeoJp2 image. Greg Coats
$ geoimgcmp
Image Comparison Utility (Version 1.900.1).
usage:
geoimgcmp -f reference_image_file -F other_image_file [-m metric]
The metric argument may assume one of the following values:
TSchilling OMW wrote:
Hello,
Iam new to GDAL and Iam writing actually a test application to get familiar
with this library. In general Iam using GDAL only for reading and
writing ENVI files.
Iam reading ENVI files via:
Dataset ds = Gdal.Open(EnviPath, Access.GA_Update);
My question is now:
Hi,
We are trying to build OGR with the OGDI driver enabled, on Windows with
Visual Studio 2005.
We have modified the nmake.opt file to enable the OGDI driver (precising the
OGDI directory where to find the headers and the libraries) and the
compilation works fine (the install and dev-install
Hello folks,
Can somebody demonstrate how I can access the histogram of a
raster image. Ultimately, I'd like to dump it to a text file as
well (I have many images to assess).
Thanks for any advice,
Greg
Gregory J. Fiske
GIS Manager/Research Associate
The Woods Hole Research Center
149 Woods
There is no histogram in raster files sitting there for you to access.
You have to calculate it yourself using the pixel data. Here is a good
example of doing it in C#
http://www.codeproject.com/KB/cs/Image_Histograms.aspx
I would familiarize yourself with the ReadRaster functions so you know
how
Domazlicky, Eric wrote:
There is no histogram in raster files sitting there for you to access.
You have to calculate it yourself using the pixel data. Here is a good
example of doing it in C#
http://www.codeproject.com/KB/cs/Image_Histograms.aspx
I would familiarize yourself with the ReadRaster
