GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file.
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23 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.
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vote
2answers
59 views
How to convert .geotiff --> .tiff?
How to convert .geotiff files to .tiff files (ordinary plain images)?
Basically, I have cropped the image to a rectangle of interest and
knowing its left-lower location and having chosen the pixel ...
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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 ...
5
votes
2answers
66 views
How to generate TFW files for a list of images?
I have a few digital images that are not georeferenced. E.g.:
Img01.tif
Img02.tif
...
Img99.tif
On the other hand, I have a text file, which contains georeferencing information for these ...
1
vote
2answers
61 views
How to add georeferenced TIFF to AutoCAD 2010
I have a ~6GB georeferenced (from ArcGIS) .TIFF satellite image that a colleague wishes to add to AutoCAD 2010. He wants it as a base layer for digitising features from. I have searched forums but ...
1
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0answers
56 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 ...
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0answers
14 views
GeoServer/Leaflet - Context menu to change raster [duplicate]
It's my first GIS project and after days of reading, it is still not clear how I should start.
I'm using GeoServer to serve GeoTiff images in WMS to a leaflet application. It works great.
Those ...
0
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1answer
23 views
How to prevent Qgis clipper to clamp nodata values?
I'm trying to crop some old georeferenced cartography in order to have a continuous map (every map has its blank borders that overlaps).
Usign raster->extract->clipper and setting no value to -32768 ...
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0answers
43 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 ...
0
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2answers
66 views
convert geotiff to simple xyz elevation file?
I have looked everywhere and can not find a tool to convert a geotiff file to a simple ascii elevation file... did I miss something?
thanks for any pointers!
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0answers
19 views
Change offset of geotiff file [migrated]
I need to change the offset of some tiff files that I am exporting from Qgis.
Qgis gives them a offset of 0xbd72, while the program I need to load them in to only reades files with an offset of ...
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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 ...
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0answers
15 views
view the imported .tif file on geoserver [duplicate]
I am using geoserver. Using raster2pgsql, I have imported a .tif file in database. However, now, when I'm trying to import that .tif file in geoserver using postgis, I'm unable to preview it, since ...
0
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0answers
23 views
not able to import raster data through raster2pgsql [closed]
I'm new to postgis and I'm not able to get through raster2pgsql. The problem is:
I want to import a raster (.tif) file using raster2pgsql. But after running the command:
raster2pgsql -s 4326 -I -C ...
2
votes
1answer
54 views
MrSid => GeoTiff
I have a MrSid file that I would like to convert to a GeoTiff. Is there a way to do this on a Mac running Mountain Lion? I know it can be done on Windows and Linux using the LizardTech command line ...
2
votes
1answer
40 views
Is GeoServer Image Pyramid upscaling?
I have an Image Pyramid in GeoServer 2.2 RC3 (not the latests - I know, but I have other pyramids working here).
The total size is around 1TB and file size is around 1-2GB for each GeoTIFF.
When ...
1
vote
2answers
62 views
Is it possible to change a Geotiffs CRS?
Hi I have created a Geotiff from the Bing Aerial photography.
As it is automatically in WGS 84 it inserts perfectly into QGIS, however this image is of no use to me outside of QGIS.
I need to ...
0
votes
1answer
44 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
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2answers
100 views
Grass 7 / ArcGIS 9.3 - tiff to raster
Again a Grass 7 question. I have the output of a modelling run as matlab file, which I can export as tiff and load as geotiff. OK - now can I extract the data/convert this tiff into a raster proper?
...
4
votes
1answer
70 views
How to determine correlation between two databases?
I need to perform some tests and verifications on databases and/or datasets.
I need for example to analyze two databases and then determine if there is enough correlation between both.
My main issue ...
1
vote
2answers
168 views
Merging many rasters using Python
I have a list of many many rasters. I want to have a simple and easy to understand script that takes this and merges it into one big mosaic. I found a similar question but the accepted answer adivises ...
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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 ...
2
votes
1answer
175 views
GDAL_translate: converting ESRI GRID to Geotiff in batch
The Challenge:
To batch convert 1000 rasters in ESRI Grid binary to Geotiff using either using a batch file or Python 2.7 without ArcGIS/Arcpy module.
The Tools:
Win7Pro, GDAL 1.9.2 (via OSGeo4W), ...
3
votes
1answer
83 views
Grid registration issue converting from GeoTIFF to ARC ASCII Grid
I've got a 3 arc second digital terrain model represented as a 32-bit GeoTIFF that looks like this:
$ gdal_info gom03_v1_0.tif
Driver: GTiff/GeoTIFF
Files: gom03_v1_0.tif
Size is 10200, 7800
...
0
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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 ...
3
votes
3answers
119 views
How to find lat/lon values for every pixel in a GeoTIFF file?
I want to a store GeoTIFF file pixel by pixel in the database. I need to store pixel values along with the lat/lon of that pixel on the GeoTIFF image. Is it possible to do that?
1
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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 ...
2
votes
0answers
137 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 ...
0
votes
2answers
167 views
How to implement WCS in geoserver?
I have to add raster data in geoserver using Web Coverage Service. I have raster data in geotiff format. The problem is that the geotiff image I have added to the geoserver is using WMS not the WCS ...
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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 ...
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, ...
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?
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
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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.
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1answer
139 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
...
0
votes
2answers
50 views
Reversing a “combine” function on a raster
I have a raster that I think was "combined" using an arcmap function. I am wondering if there is a way to extract just one raster layer from the combined dataset in order to use it separately, either ...
0
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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
1answer
63 views
How can I find and fix broken raster metadata using QGIS?
I have a raster (TIFF) hillshade image that I would like to use in a mapping project. However, I'm having a hard time lining it up properly in QGIS. Through a series of investigations, I have ...
2
votes
1answer
87 views
I have tiff file that has been modified and geotiff file with info, how do i convert my tiff to geotiff?
I have modified tiff file that i would like to turn to geotiff. My orginal geotiff has the following information that i got from gdalinfo:
Driver: Gtiff/Geotiff
Files: info.tiff
Size is 1127, 831 ...
1
vote
1answer
181 views
Mosaic large dataset with R
I need to merge together 20 32 bit tiff.
For that I tried ArcGis but it keeps crashing (the individual tiff are about 1GB).
I need a finale Tiff in order to run some analysis and I figured that having ...
5
votes
2answers
170 views
“Poor” quality when zooming out a WMS-Layer based on GeoTiff data
i am having some issues when using the Geoserver Web Mapping Service to display GeoTIFF-Files. When zooming out (in an OpenLayers-Client or in the Geoserver Layer Preview for instance) the quality ...
4
votes
1answer
141 views
Arcgis: Programmatically export to geotiff in different scales
I am totally new to ArcGis so please bear with me using the wrong terminology.
I would like to programatically export geotiff files in different scales (e.g. 1:25000, 1:50000 etc) using arcgis10.
...
0
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1answer
143 views
Why is the imported TIFF file distorted with noise in Quantum-GIS?
I've a TIFF-file. Loading the raster image into QGIS does not display correctly. (Using the Add raster layer button.) It seems to be distorted with noise. See image below:
The source of the TIFF ...
4
votes
2answers
356 views
Display Georeferenced Images on Android
I'm looking for an Android application (best would be Open Source), that can display georeferenced images on top of a map (Google, OSM, ...).
By Georeferenced I mean that the images four corners are ...
2
votes
1answer
222 views
QGIS Export Color mapped GeoTIFF to GeoTiFF
I've loaded a GeoTiff in QGIS (Single Band), and applied a Color Mapping. I can view it in the map canvas, but I would like to export the entire mapped GeoTiff as an appropriate 3 Band GeoTiff (i.e ...
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
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 ...
7
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2answers
279 views
Does anybody know a service that exports OSM maps to georeferenced GeoTiff files?
Does anyone of you know if there is a service available for exporting OSM-maps in the Geo-Tiff format?
best regards
desputin
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 ...
2
votes
1answer
104 views
Reproject JPEG to TIFF?
I want to import an elevation layer into GeoServer for later WMS access. This is the base layer I would like to import - http://en.wikipedia.org/wiki/File:Srtm_ramp2.world.21600x10800.jpg . What I'd ...
