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

learn more… | top users | synonyms (1)

6
votes
2answers
758 views

Big Satellite Image Processing

Im trying to run Mort Canty's http://mcanty.homepage.t-online.de/ Python iMAD implementation on bitemporal RapidEye Multispectral images. Which basically calculates the canonical correlation for the ...
2
votes
2answers
2k views

GDAL: Convert specific RGB (GeoTIFF) color to transparent

I have an RGB GeoTIFF file and I want to convert a specific RGB colour to transparent. I would like to use GDAL for doing this, but external Python scripts are also an option (though I haven't learned ...
1
vote
2answers
215 views

Trying to identify the program which created tab file in question

i am trying to identify format or the program which created following geo tiff and tab files. Basically I am trying to update map images in our custom program which uses following tab format and ...
2
votes
1answer
648 views

Problems serving GeoTiff using GeoServer and ImageMosaic

Goal: I am trying to serve a large (1GB+) GeoTiff file using GeoServer and ImageMosaic. Process: iant have written a simple guide for this, which he proposed as an answer for a previous and similar ...
2
votes
0answers
70 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 ...
1
vote
2answers
129 views

Display Rectangular Data Grid

I'd like a Linux program which displays ASCII ArcGrid files (NxM rectangular ASCII data grids which may have either integer or floating point values). There is no practical upper or lower limit to ...
2
votes
2answers
628 views

Reading MODIS L1B into ENVI

I am working with MODIS Terra (and simultaneous ASTER) Level 1B swath data using ENVI and am having one of these "this should be easy" questions about the most direct way to get to geo-referenced ...
0
votes
1answer
301 views

Tiff raster display with polygon layer

Does any body have an idea about why *.tiff images are not displayed when added as raster layer to QGIS after adding a vector layer which has a polygon geometry? SOLVED !! In fact the tiff is ...
1
vote
0answers
385 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
1answer
558 views

Create Geotiff from Tiff using java

Respected sir/madam, I want to add geo tags to existing TIFF file and make it to geotiff file. Otherwise, for bufferedimage is it possible to add geotags to make Geotiff file. Thanks in advance...
5
votes
2answers
4k views

GeoTIFF file creation from .Tiff file

im not sure if this question is suitable for GIS I'm working on a software that displays a map, like this ![enter image description here][1] i also have some export functions which exports the the ...
2
votes
1answer
501 views

How can I use Android to add some additional data to geotiff images?

I would like to create an application which will use a geotiff image and add some additional data on it. All these with the Android Platform. I've done some research and found GDAL but I don't know if ...
2
votes
1answer
91 views

Global composite of radar data available?

Iowa State offers an exceptional NEXRAD composite image as GeoTIFF for the entire continental US at a reasonable resolution. Is there a comparable GeoTIFF composite updated semi-regularly available ...
1
vote
3answers
517 views

Geoserver - ImagePyramid plugin problem

I have a huge Geotiff file , and i've tiled it .. I've created the tiles using gdal_retile.py tool , but i'm getting the following error from Geoserver while linking the layer with the tiles folder : ...
4
votes
1answer
863 views

What's the best way to display a huge Aerial image using Geoserver

I have an Aerial image - Almost 1.5 GB , GEOTIFF - and i have been trying to add it as a layer in Geoserver .. Adding the layer went successful , but the performance were very bad . I tried to cache ...
1
vote
2answers
2k views

Georeferencing an image in C# with GDAL

I want to upload a jpeg or some raster image into a C# form and then on entering the latitude and longitudes I need to be able to create an GEOTIFF file of the same image. How can this be done in ...
1
vote
1answer
312 views

Black marks on edge of geotiffs

Just a quick question, are you aware of any way to crop a geotiff while maintaining the co-ordinate infomation. Im trying to crop a series of geotiffs of multi-beam data which have a black frame on ...
1
vote
1answer
423 views

Getting geotiff information into variables, not files, using gdal_translate, gdalinfo

I received an excellent answer to my question of how to get the lat/lon coordinates of the corners of a geotiff file. I used gdalinfo. The lat/lon info comes out into a file. Similarly I turned the ...
2
votes
1answer
429 views

Finding lat/lon of corners of geotiff file

I am a GIS newbie. I just recently managed to turn a GeoTIFF file into a bmp file using gdal_translate. Now I need to find the latitude/longitude coordinates of the corners. I would prefer to use ...
1
vote
2answers
287 views

Convert HMR to GeoTiff

I've got gigs of .hmr raster files from our customer and I need them to be converted into GeoTiffs or something else which can be nicely imported into Geoserver system. I wonder if I can do it with ...
2
votes
5answers
1k views

How do I turn a GeoTIFF file into a bmp file?

I need to get GeoTIFF files transformed into bmp files so that I can display them as apart of some software that I am working on. Unfortunately, I am a total newbie with GIS and really don't know much ...
3
votes
1answer
119 views

rgb2pct.py increases size of file 20 fold!

I wanted to reduce the number of bands of a tif file from 3 to 1... I used this command rgb2pct.py -n 256 fnp_braunschweig.tif fnp_bs.tif and it increased the size from 31mb to 778mb I actually ...
1
vote
2answers
1k views

How to convert GeoTIFF to grayscale and add gaussian blur?

I have a giant GeoTIFF I'd like to convert to grayscale and add a gaussian blur to. As far as I know, GDAL can strip two of the three color bands and call it grayscale, which might work, but is there ...
0
votes
1answer
4k views

ArcGIS 10 GeoTIFF Export

I'm not terribly familiar with ArcGIS in general, but I have a geodatabase (I think) containing a 3m DEM in ArcGis 9.3. I would like to have this 3m DEM in a GeoTIFF file so I can do some processing ...
1
vote
1answer
144 views

Creating GeoTiff with pre-encoded data

I have images which are already separated into JPEG compressed red, green, and blue bands. Is there a convenient way of using libgdal to pass in encoded bands without relying upon libgdal to perform ...
4
votes
1answer
1k views

How to read GeoTIFF using PHP?

My current pet project involves creating a web service that uses the CGIAR SRTM worldwide elevation data set. Each request to the service will query for elevation data from a small geographic area. ...
5
votes
2answers
1k views

How can I write a GEOTIFF in C#?

I want to upload a jpeg or some raster image into a C# form and then on entering the latitude and longitudes I need to be able to create an GEOTIFF file of the same image. How can this be done in ...
19
votes
5answers
4k views

How to determine if a tiff is georeferenced or not?

I received a tiff file from someone, but I'm not sure if it's georeferenced. Is there an easy way to check this?
9
votes
2answers
384 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 ...
2
votes
1answer
163 views

Define gdalwarp tile size

gdalwarp has -co TILES=YES (256x256 as default) Can I set different tile size? Thanks
1
vote
2answers
142 views

Can a USGS 6 inch orthoimage be given a higher resolution, like 1 foot, to improve GeoServer processing time?

The USGS orthoimage is a 6 inch resolution quadrangle that is loaded into GeoServer as a WorldImage. GeoServer has an extremely hard time processing this compared with a 1 foot resolution quadrangle. ...
2
votes
1answer
577 views

overlap two GeoTiffs to fill missing information (transparency)

I have several hundered geotiff files. Some of them (almost all of them) have black areas (irregular) on the edges. However, these black areas are covered by some other file in the file set. I read ...
4
votes
2answers
1k views

How to use NASA Digital Elevation model data?

I've heard it is possible to use NASA elevation model to determine approximate elevation at (lat;lng) point. This might be really useful for my upcoming project since Google Elevation API has weird ...
4
votes
3answers
6k views

Batch convert GeoTIFF's to KMZ files

I have about 600 GeoTIFF map files, each about 140 mb in size that I'd like to convert to KMZ files so people can download them and use them with Garmin GPS units, Google Earth, etc. Anyone know an ...
4
votes
2answers
522 views

Extract all pixels of given RGB value and render as MultiPolygons

Given a geotiff image with a colortable in it, what is the easiest way to extract each color as its own "layer or shapefile or multipolygon object"? Specifically, I am looking for a programmatic ...
2
votes
2answers
791 views

How to convert from GeoTIFF to PNG/JPG and Web Mercator in Java?

I'd like to convert raster image from (geo)tiff to an png/jpg and afterwards if it is necessary ... I'd like to convert the coordinates with help of EPSG-Codes to the OSM/Google Projection(EPSG: ...
4
votes
3answers
137 views

Is it possible to include information about a neatline in a GeoTIFF?

Is it possible to include information about a neatline in a GeoTIFF? If so, how? What software will produce them?
6
votes
3answers
11k views

Steps to creating a GeoTIFF

First off, I'd like to mention that I'm pretty new to working with GIS, so please forgive my inexperience. My situation is as follows: I'm tasked with georectifying a set of imagery and importing ...
5
votes
1answer
371 views

Why does a TIF file lose projection information when a pixel value is changed?

I am trying to change the pixel value of a tif file (containing projection information) but after the pixel value is changed it is losing projection information. I am using the Python imaging ...
1
vote
1answer
177 views

Free GeoTIFF Overlay and Tiling (i.e. Indexing) Analyser?

Has anyone come across a shareware/freeware tool for analysing the overlays and tiling (i.e the internal indexing) of GeoTIFF images? What would be excellent would be something like a GeoTIFF tuning ...
2
votes
1answer
1k views

Tiling rgba geotiffs using vrt rather than gdal_warp

I've carefully cut the collar off a set of USGS geotifs and I'd like to run through them with gdal2tiles but producing a vrt that undersands the alpha layer, or having gdal2tiles overlap two source ...
1
vote
1answer
2k views

How to display a geotiff-image with OpenLayers at the “right place”?

I'm just starting with OpenLayers. I have a georeferenced geotiff and the associated world file. Now I want to display this image as an Overlay and google-maps as baselayer with OpenLayers. Would be ...
5
votes
3answers
1k views

Easily find centre point of a raster in ArcMap 10 document?

If I have, say, a rectangular and georeferenced raster file loaded in an ArcMap 10 document (.tiff w/ associated tfw), how do I easily find its centre point and store that point in a points vector ...
4
votes
1answer
509 views

Extract coordinates for series of georeferenced files in ArcGIS 10?

I have a series of 1900 spatially continuous images that are georeferenced. Each image is a tif file paired with a tfw file. These images are easily open and shown in ArcMap 10. However, I need a way ...
15
votes
5answers
849 views

Speed of various raster data formats

I'm having trouble locating any discussion or comparative benchmarking of different raster file formats (e.g., for use in data analysis in R). Does anybody have any insight into why particular formats ...
3
votes
1answer
185 views

Add NZGD2000 Coordinate Reference System

I'm not sure if this is the right place to ask, but... I've been playing with GeoTools 8.0M-1, in particular trying to read some GeoTiffs. Each time, it crashes with the error No code "EPSG:2193" from ...
8
votes
3answers
707 views

Best way to manage large number of geoTiff rasters

I have around 2-3000 1-bit geoTiffs of size 11000x9400. Color 0 should be transparent, and QGis gets it wrong in the first place, so I used a .vrt file to set all the parameters in one single place. ...
1
vote
1answer
769 views

arcgis server 10 tif mxd problem

i am using arcgis server 10. first i opened arcmap and added a.tif file. then i saved it using File -> Save As as a ArcMap Document (*.mxd) file, let's say b.mxd. Now i open arccatalog and ...
0
votes
1answer
226 views

Tiling failing near the end of generating base level tiles

I have a GeoTiff file that I have created by using the command: gdal_translate -gcp <my gcp> -a_srs <my wkt file> input.tif output.tif Note that I have twelve -gcp options set on the ...
0
votes
2answers
238 views

How to realign misplaced GeoTiffs?

I have bought a few (30) GeoTiff maps from my country's Geo-department - South Africa. They all have a date in the filename and the newest one was created in 2004, I see one is dated 1977 - that old! ...