GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file.

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3
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1answer
886 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
295 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
141 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 ...
8
votes
2answers
1k views

Is there service for exporting georeferenced OpenStreetMap (OSM) maps in GeoTiff format?

Is there a service available for exporting georeferenced OpenStreetMap (OSM) maps in the GeoTiff format?
5
votes
1answer
427 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
152 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 ...
4
votes
1answer
381 views

Recoloring geotiff for visual presentation

I have a rather big Geotiff. It is the mosaic of four RapidEye satellite images. They are all a bit bland/grayish. When combined I would like to freshen up their colors so that they are more visually ...
4
votes
1answer
507 views

How to show a geoTiff on an iOS application?

I'm developing an iOS application that will use offline maps. These maps are on GeoTiff format but I don't know how to do it. I've found this question: How to display a GeoTIFF on mapView but it uses ...
1
vote
2answers
3k views

Android offline app to visualize GeoTIFF maps (or any well-known raster format)

I like to go to mountain, and got lots of GeoTIFF maps, which I can convert to other formats with GlobalMapper (JPG+JGW, ECW, ...). However, I haven't found an Android app to: - show these raster ...
2
votes
1answer
452 views

Problem with convert georeferenced jpg to geotiff

I'm beginner with GIS tools. I have jpg file with GPS data and I need reference this file to Microstation as georeferrenced raster. I tried use function Raster -> Conversion -> Translate with defined ...
4
votes
2answers
1k views

programmatically create and publish geotiff layer in geoserver

We need to automatize process of creating datastore and publishing geotiff layer. Also, before publishing we need to change Declared SRS and to save Native Bounding Box to our database. Geotiff file ...
12
votes
2answers
2k views

GeoServer: Best way to publish 2500 TIFF or 71 ECW files?

I have ortophotos of an area that I need to serve as a background map for my vectors. I got it as 2500 files (71,5MB each) in raw TIFF format with corresponding TFW word file - 180GB of data. ...
3
votes
1answer
633 views

How to get elevation with LibGeoTiff?

I'm trying to get an elevation profile from a geotif file ( downloaded from http://srtm.csi.cgiar.org/). I downloaded the libgeotiff library but i can's see any function that can return an elevation ...
3
votes
2answers
153 views

Why is Geoserver downsampling my geotiff?

I created a KML file from a geotiff using Geoserver, but the image looks really pixelated in Google Earth. The image is a geotiff and is only around 7MB. Any reason why it might look so pixelated?
11
votes
2answers
822 views

How to reproject raster from 0 360 to -180 180 with cutting 180 meridian

I have a geotiff raster image that has a coordinate system with longtitudes from 0 to 360. The horizontal center of the image is 180 longtitude. See image below: I want to transform it to EPSG:4326 ...
2
votes
0answers
168 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 ...
6
votes
1answer
576 views

How to get latitude, longitude and altitude database from a GeoTIFF file?

I am developing an AR iOS application. When the iPhone gets the current location, it has to calculate locally the visible point. I want to read the tiff files in my application, and then get the ...
3
votes
2answers
247 views

Convert multiple TIFFs into one?

I have downloaded the Blue Marble dataset, and it consists of eight GeoTIFF images, labeled like this: A1 B1 C1 D1 A2 B2 C2 D2 I would like to use these tiles for GeoServer to be served as WMS. ...
4
votes
1answer
351 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.
5
votes
2answers
445 views

Problem Visualizing 3D Terrain Model - USGS DEM

I recently downloaded a GeoTIFF 1 arc second from the USGS National Map Viewer. I added the raster to ArcScene and attempted to visualize the data in 3D. I set the Base Height to Floating on a ...
2
votes
0answers
302 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
2answers
659 views

Different NoData values when processing a GeoTIFF in QGIS and bringing it to ArcGIS

I'm trying to process a GeoTIFF in QGIS 1.8 using SEXTANTE and GRASS via the r.neighbors tool. I'd like to process the image, then be able to utlize it in ArcGIS. The problem I'm running into is ...
0
votes
1answer
195 views

Setting projection to a geotiff file when it's shown as Unknown

I have a geotiff file that has no CRS in the metadata but I know that the CRS of the raster is WGS 84 UTM 22 N. How can I modify the geotiff file to have the CRS WGS 84 UTM 22 N in the metadata. ...
1
vote
1answer
405 views

Georeferenced Tiffs displaying in the wrong location & scale when updating ArcGIS 10

I'm working on a project which involves georeferencing a large number of .tiff files to digitize data from them. All the tiffs which have already be georeferenced where done with ArcMap 10.0 without ...
5
votes
1answer
611 views

ImagePyramid tuning in Geoserver

I am running several WMS layers from a GeoServer (2.2 RC3 at the moment of writing). All layers are ImagePyramids with sizes ranging from 100GB to 1TB in size. I have read the GeoServer on Steroids ...
3
votes
2answers
2k views

Adding georeferencing data into tiff image

I want to create a georeferenced .tiff file from a .png file. So I convert the .png into a normal .tiff file using the following command line : convert image.png image.tiff Here, all works fine, I ...
6
votes
2answers
295 views

How to use GDAL to convert Int16 data to Byte

I have some data with Int16 bands in HDF format. I want to convert this to Byte bands in GeoTIFF format. The data range for the Int16 is -2000 to 12000, so I want to map this to the Byte range 0 to ...
3
votes
1answer
249 views

Problem in displaying a GeoTiff image in JMapFrame

I'm trying to display a GeoTiff image with no projection but where the geographical extent (bounding box) is known: reader= format.getReader(new File(sImageName)); GridCoverage2D gridCoverage= ...
2
votes
1answer
119 views

Use GeoTIFF masks to optimise combine layers algorithm

My app is a C# program that takes in an extent from the user, then loads GeoTIFFs from a folder that overlap the extent. It layers them according to a simple number on each GeoTIFF, then exports the ...
5
votes
1answer
544 views

What are the benefits of RGBI Geotiffs vs ECW format?

I just received a batch of imagery for my project area in 2 formats: Geotiff (RGBI) and ECW. The imagery looks very similar and covers the same footprint, but the file size difference is massive: ...
0
votes
1answer
631 views

gdalwarp results in incorrect extent

I have a GeoTIFF that's 172800x86400 on the MODIS "250 meter" Sinusoidal grid (more like 231.7, but who's counting?). (You can find its metadata at the bottom of this post.) This bounty of resolution ...
0
votes
1answer
273 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 ...
1
vote
1answer
285 views

Help needed for georeferencing in QGIS

I am new to Quantum GIS. I just happened to browse to a tutorial on georeferencing in QGIS and I found it easy and interesting. I also calibrated the map and saved the points as per WSG84 standard. ...
2
votes
3answers
1k views

Is it possible to export GeoTIF current view to GeoTIFF with QGis?

ArcGis offers this, but I didn't found such a function in Qgis. Maybe I have simply not found the command.... Does someone know the command or is there an extenstion which offers such a functionality? ...
4
votes
2answers
922 views

GeoTiff size - what to do?

I have a whole series of GeoTiff tiles, each one about 250mb in size, in total just over 90gb. I want to be able to display these as a wms into QGIS to 20+ GIS users and in the end make them into a ...
5
votes
1answer
922 views

Why do TIF loaded into PostGIS lose their colormap?

I have successfully loaded a TIF image (using raster2pgsql) into my PostGIS 2.0.1 database. I can load the raster image into QGIS and it displays in the correct space. However, it has lost all colour ...
3
votes
1answer
435 views

How to handle a geotiff map together with points with openlayers (or other libraries)?

I create a lot of printed maps using various applications (ArcGIS, QGIS, Microstation, Illustrator etc). Sometimes I'd like to turn this map somewhat interactive on the web. What I'm looking for is a ...
3
votes
2answers
581 views

How to convert Landsat L1G raster to Geotiff?

Is it possible to convert a Landsat L1G raster file like L71001070_07020000728_B30.L1G to Geotiff using free software?
2
votes
1answer
91 views

Need software to read geo information from tif

I am trying to verify the lat/lon and ECEF values that I have determined for a very specific and unusual situation (a geotif file), and it would be great if I could find some software to read them. ...
2
votes
1answer
279 views

Crop collar from chart

I need advice on how to complete the following task: I have aeronautical charts covering parts of the US (example: http://aeronav.faa.gov/content/aeronav/sectional_files/Albuquerque_89.zip - Each ...
6
votes
1answer
2k views

How to get GDAL to create statistics for GTiff in Python

I regularly create my own GeoTIFF rasters with GDAL in Python, e.g.: from osgeo import gdal from numpy import random data = random.uniform(0, 10, (300, 200)) driver = gdal.GetDriverByName('GTiff') ds ...
2
votes
1answer
302 views

Geo Tiffs overlap in QGIS

I am trying to stitch together several GEO Tiffs that come in pairs (north -south) but when i load them into QGIS they display completely overlapped. That is the north south pair match up ok (display ...
1
vote
0answers
177 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
1answer
189 views

gdal_retile - Out of range band requested

I'm using gdal_retile to create ImagePyramid from a set of GeoTIFF images. I'm using following command: gdal_retile.py -v -r bilinear -levels 8 -ps 2048 2048 -co "TILED=YES" -co "COMPRESS=JPEG" ...
1
vote
1answer
59 views

WCS row based security ?

I have an application where each user has individually generated geotiff files. Since the users pay for the generated geotiff, I have to make sure that the users can only see their own geotiff and not ...
2
votes
5answers
774 views

Is there a way to erase GeoTIFF header?

I've got some GeoTIFF files that have wrong bounding box extent and wrong CRS associated to. Fortunately I know the right CRS, but even associating it to the files (I've tried both with QGIS and ...
1
vote
2answers
1k views

Converting from GEOTIFF to JPEG2000

I need to convert raster from one format to another (geotiff-->jpeg2000). First I tried with very simple workspace, having input geotiff and direct to output jpeg2000, but I got error message: ...
6
votes
1answer
1k views

Creating a mask with transparent pixels in python

I have a geotiff image with pixel intensities ranging between certain values. Lets say bewteen -2 and 2 (the image is normalized). I have a certain threshold which interests me, lets sat 1. I would ...
5
votes
1answer
2k views

GeoTiff format (tile and overview confusion)

I have two questions : How does tile creation in geotiff improve performance and how will reading of tiled gtiff images be done? Adding an overview to a geotiff image means we are resampling the ...
3
votes
1answer
698 views

Serving 4 band GeoTIFF in GeoServer 2.1.4

I have an uncompressed GeoTIFF file (figure 1) with the following band information: Image Structure Metadata: INTERLEAVE=PIXEL Band 1 Block=5000x1 Type=Byte, ColorInterp=Red Band 2 Block=5000x1 ...