GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file.
8
votes
1answer
281 views
What is the correct way to convert a USGS Orthoimage from WorldImage format to tiled GeoTiff for GeoServer?
USGS provides different resolution orthoimage quadrangles in the WorldImage format (*.tif with an accompanying *.tfw world file). Some of these quadrangles can be used by GeoServer (2.1.0 - 2.1.2) by ...
5
votes
1answer
209 views
Determining Natural Origin for a GeoTIFF file (Lambert Conic)
I am trying to display an existing GeoTIFF file (from the FAA WAC set) in an application that requires the GeoTIFF NaturalOriginLongitude tag (FalconView 5.1.1). There are some older files in that set ...
1
vote
1answer
53 views
How do I inspect, then force a geotiff to be in the format of the Natural Earth 2 map?
We are using the Natural Earth 2 map as a test file, and it's worked swimmingly. Unfortunately, our archaeologist has given us a satellite image (not distributable) in the form of a geotiff that does ...
0
votes
1answer
41 views
Which GeoTIFF tags tell me what I want to know?
I'm reading some GeoTIFF files into my app using libgeotiff. After the model of the listgeo program that comes with libgeotiff, I want to extract the extents (corners) of the GeoTIFF so I can position ...
0
votes
1answer
45 views
LZW compression differences between Global Mapper and gdal_translate
I compressed an GEOTIFF image with both gdal_translate and Global Mapper with LZW compression. The one Global Mapper compressed is much smaller, is almost 30% of the one gdal_translate compressed.
...
0
votes
1answer
72 views
GeoTIFF: How to remove Internal Overview without recompression
"gdaladdo -clean" does not remove the internal overview from the file see http://trac.osgeo.org/gdal/ticket/4940
How do I remove GeoTIFF overview(s) without having to re-compress the main image.
0
votes
1answer
142 views
Format MODIS HDF to Geotiff in MRT
Am using Modis Reprojection Tool (ModisTool) on MODIS LST data (MOD11A1) to
convert to GeoTiff format.
When I run it I get this error message:
Error: OpenGeoTIFFFILE: Opening Output Image File
...
3
votes
0answers
163 views
How to download GeoTIFFs using the REST API in GeoServer 2.2?
I am using GeoServer (Version 2.2 Git Revision f5b5c35076b52d02eb9cca3fa3232bc17b5f6d80 Build Date 19-Sep-2012 18:33 GeoTools Version 8.2 (rev 704570474295e339c08d1ca140d884f23a8a03a3)) and I've got ...
2
votes
0answers
138 views
Problem converting georeferenced jpgs to geotiff - image is shifted/warped
I have hundreds of georeferenced jpgs in ArcGIS 10 that I need to convert to geotiffs.
I'm trying to use GDAL translate to create geotiffs from them. Everything works great except that the ...
2
votes
0answers
89 views
How to geocorrect in qgis?
I need to fit a utm wgs84 tiff raster to a topomap in the same projection. I use GCP and it invariably fails. The first raster uncorrected rater superimpose well, the "geocorrected" raster is ...
2
votes
0answers
117 views
Overlay Shapefile onto Geotiff
I have a Geotiff map and I want to overlay a Shapefile onto it. Ideally I want to specify a 'nice' style for the polygons e.g. have them opaque (for now all polygons should be the same).
I want to ...
2
votes
0answers
198 views
How to read Geotiff tags and pixel per pixel values using GDAL C#
I'm new here and I'm new at programing with GDAL C#.
My question is how I can get the value of SRTM GEOTIFF pixel to compare with it's neighbors, and how can I get the values of Geotiff tags.
2
votes
0answers
166 views
create geotiff from shapefiles
I need to colorized geometries from shapefiles and convert them to raster image (geotiff).
I tried to use geotools's VectorToRasterProcess and ImageWorker
("d:\gis\tmp\32 27 25 w4.shp" is path to my ...
2
votes
0answers
133 views
Problem with geotiff in qgis only in some PCs
Helllo
I'm having some weird problem opening a 16bits geotiff with qgis. In my pc it opens and displays perfectly, but in another pc (with the same version of qgis) it displays all wrong
the image ...
2
votes
0answers
61 views
Is there a way to link eVis with time manager in QGIS
I have a point vector layer created from way points of a GPS. I then used the eVis plugin to view geotagged photos for each of these point. I also used the time manager plugin to play through the ...
2
votes
0answers
241 views
GeoTiff specs for coordinate transformation definition
I would like to define a GeoTiff coordinate transformation by a set of GCPs only. The intention is to publish the GeoTiff as a coverage in GeoServer.
However if I specify tie points only, GeoServer ...
1
vote
0answers
59 views
How to get Lon/Lat values from the postgis raster type column
I have a tiff raster in my PostGIS 2.0 database. I want to get the value lat/lon and extra data like temperature from the raster type column in postgis table.
I want the table with columns ...
1
vote
0answers
44 views
Conversion from CGIAR GEOTIFFs to SRTM3 like HGTs
Im writing a C program for querying height information from SRTM data. Since reading directly GeoTIFF format is tough job, I decided to load HGT format, which serves great for the purpose.
Since ...
1
vote
0answers
107 views
Question about geotiffs
My colleague and I are georeferencing a bunch of .tif images. After each image, we'll click "update georeferencing". The resultant .tif files are different between our computers and I'm trying to ...
1
vote
0answers
64 views
GeoTiff.lib: TiePoints only without ModelPixelScale do not get georeferenced in QGis
I have an image that has been georeferenced (geotiff.lib) by more than 3 tie points (x y 0 long lat 0 ...) and added following geotiff keys
GTIFKeySet(gtif, GTModelTypeGeoKey, TYPE_SHORT, 1, ...
1
vote
0answers
104 views
Applying colormap to grayscale tiff image using java
I have a gray scale tiff image.Now i want to add some pseudo colors i.e for pixels whose DN from 0-140, red color;DN from 141-255 ,blue color.Please tell me how to modify the raster table.Otherwise if ...
1
vote
0answers
290 views
Serving GroundOverlay image data from a KML file via WMS
I've got a KML file with a collection of sparsely distributed (and small) GroundOverlays, with each overlay containing a distinct LatLonQuad and Icon.
I would like to serve the this image data via a ...
0
votes
0answers
26 views
need info on GeoTIFF projection keys
I am a programmer (not a cartographer!!) developing an application which needs to read and write GeoTIFF files. I have a number of questions about those GeoTIFF keys which are related to projections.
...
0
votes
0answers
26 views
not able to view imported .tif file in geoserver
I am using geoserver. I have imported a .tif file using postgis, which has been saved in vector type layer in geoserver. Now, whenever, I preview it, the layer gets automatically downloaded as wms ...
0
votes
0answers
27 views
Create .ini file from folder of geotiffs
All,
I have 800 geotiffs in a folder and I want to create a .ini file for each one which looks something like this:
FILENAME, SCALE, CO-ORDS, FILEPATH, FILENAME, NEW.INI
Is this possible?
I have ...
0
votes
0answers
33 views
what different parameters can pass in GetCoverage request of WCS 1.1.1 in geoserver 2.2.4
i have to implement stretch operation on geotiff image. is there any possibility to request the stretched output using GetCoverage request by passing some parameters in the URL along with necessary ...
0
votes
0answers
47 views
How to Draw a Point on a Geotiff in Android and Put it in the Postgresql Database?
I need to:
Open a geotiff in my phone (android) {offline)
Draw a point
Get it's coordinates (X,Y)
Fill in the data attributes (name of the point, ...)
Put the data and the coordinates in my ...
0
votes
0answers
27 views
How would I convert a microsoft sql server 2008 raster database into geotiff format?
I was given a .bak file of raster data that I need to import into a new ms sql server 2008 database.
How would I convert a microsoft sql server 2008 raster database into geotiff format?
0
votes
0answers
53 views
Converting different zoom-level GeoTiff to tms
I have several GeoTiff images I want to convert to a TMS structure of .png files.
The GeoTiff images are different scale maps of an area (1:10000, 1:5000, 1:2500) with increasing detail level.
How ...
0
votes
0answers
109 views
How to get raw values from OGC Web Coverage Service (WCS) via ArcGIS for Desktop 10.1?
I posted this a few days ago to the ArcGIS Discussion Forum but have had no response so thought I would try here as well.
I'm new to Web Coverage Services (WCS) but have found it easy to add one ...
