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

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74 views

Convert PCIDSK file with seven layers to Geotiff without loss of layers

does anybody know a way to save a PCI Geomatica landsat file (PCIDSK, *.pix) as a Geotiff without loss of layers?? The Transferring layer function of Orthoengine does not work. With the export map ...
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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! ...
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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 ...
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0answers
4 views

Using USGS_Raster_Conversion_Scripts.zip to convert ArcGrid files to GeoTiff

I know the GeoTiff export option is no longer available in the http://viewer.nationalmap.gov/viewer/# so will have to convert it from ArcGrid source files instead. I am following the readme and how to ...
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2answers
56 views

using Python to calculate NDVI, output as a Geotiff

I need a script that can calculate NDVI from two separate input Geotiff files, then output the results as a Geotiff. I wrote following script, most of which is borrowed from various on-line sources ...
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1answer
75 views

How to Map Latitude/Longitude to FAA Chart?

How can I map latitude/longitude to an FAA digital chart? Attached is a sample GEOTIFF. More specifically, how can I get a reference points from the digital data? Once I can get reference points, I ...
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1answer
26 views

Extract Longitude and Latitude from Geotiff (ASTER 30m DEM)

my problem is apparently quite simple, but I cannot really find an easy answer: in QGIS I've created a raster layer by merging different GeoTiff images from the ASTER 30m DEM dataset. The merging is ...
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1answer
9 views

How to add RGBA color map to single band GeoTIFF using GeoTools 2.x?

I am developing a light weight GIS application, and am looking for the simplest way to add an RGBA color map to a single band GeoTIFF using GeoTools 2.x?
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1answer
74 views

GeoTiff TMS Overlay

I'm using OpenLayers to display a set of TMS tiles I have on my webserver. Plain and simple, I was wondering how I would go about overlaying a set of GeoTiff files I have over the tiles so that when I ...
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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 ...
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1answer
65 views

WMS render geotiff as a small image

Hye! I am facing Strange problem,My Geoserver 2.2.4 was stop working suddenly so i made a backup of Dir folder and install Geoserver 2.3.5 and replaced workspace folder with new one. Now all ...
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0answers
26 views

How do I split a DEM at a certain elevation?

I have a DEM that includes bathymetry and terrain elevation and I would like to split it at the coastline. Ideally, I would end up with one tif that's land and one tif that's bathymetry. I have ...
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0answers
32 views

NoData specification via IEEE NaN in GeoTIFF for ArcGIS

I am a programmer exporting 32-bit floating point GeoTIFF rasters from my own application that my users need to read into ArcGIS. Unfortunately I am not an Arc user myself and have zero expertise with ...
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0answers
32 views

Decompress a LZW-compressed GeoTIFF

I have a LZW-compressed GeoTIFF file and would like to split it into several smaller regional files and change the format to png. I tried to do the spliting with gdal_translate -srcwin. I only get a ...
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1answer
87 views

SetColorInterpretation() for a GeoTiff using GDAL not working

I have a single band image which I would like to copy to a 3 bands of a new image and set the ColorInterpretation to red, green and blue respectively. I have tried two approaches, one using the GTiff ...
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1answer
32 views

How do I generate a correlogram from a GeoTiff using R?

I'm trying to evaluate the scale of spatial autocorrelation for a bunch of rasters I have as GeoTIFFs. I'd like to be able to do this entirely using R, in order to maintain smooth workflow. What's ...
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1answer
34 views

Split Large GeoTIFF to smaller regions with python and gdal

I have quite a large GeoTIFF-file (compressed 50MB but unpacked 6GB) and want to split it into several smaller regional files. Therefor I am using python. As I am a new gdal user I do not really have ...
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1answer
34 views

Unable to show tiff “parameters”

Why this raster (tiff) does not have any values? Why I am unable to perform: doubleclick -> onechannel pseudocolor -> clafify Both rasters are downloaded from the same site: ...
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1answer
353 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 ...
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1answer
126 views

3D Raster's and Geosoft Montaj/Target, Leapfrog, GoCAD

I'm trying to figure out what the best format to serve 3D images inside our company. Specifically georeferenced Tiff's that have been placed in 3d space with Geosoft Montaj. We use ArcMAP ...
2
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1answer
28 views

Grayscale Tiff Images

I have a gray scale tiff image. I can extract the values from this tiff using numpy and make a new image with blue scale. But how can I convert it to shades of blue instead of shades of gray directly ...
2
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1answer
271 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 ...
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3answers
104 views

Topography: How to get the x,y,z coordinates of highest or lowest point/pixel of a raster GIS?

Given a .tiff topographic raster image with mountains and deep sea, I am looking for the x,y,z specifics of the highest or lowest point. The x,y,z values being: altitude (z-coordinate) latitude ...
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27 views

How to export raster from ArcGIS for Desktop to MATLAB using Tiff without losing projection?

How do I export data from ArcGIS for Desktop and import to MATLAB using Tiff without losing projection (lat lon) information? ASCII is too slow for my application. I manage to export a raster ...
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15 views

How to draw pseudo-color geotiff in gdal_grid?

I'm trying to automate the process of heatmaps. QGIS creates them easily with a plugin, but for a hundred or two hundred heatmaps babysitting it all the time is too hard. The heatmaps plugin has no ...
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3answers
847 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), ...
4
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1answer
278 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 ...
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1answer
27 views

How to create a value-by-alpha map in Java?

Someone has post similar question as mine before : similar question But my objective is slightly different. I have a shape file (.shp) (a country map) I would like to write a piece of java code to ...
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1answer
31 views

How determine data type of points in geotiff DTM?

I have some DTMs in geotiff files. I need to read them in C# and I've decided to use libtiff for that purpose. After some investigations, I've found that there are tiled tiffs, so I use ReadTile ...
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1answer
247 views

Technique for splitting raster image into tiles

I have written a standalone application which renders a globe similar to GoogleEarth/WorldWind which is currently able to display raster imagery from WMS servers. The native geodesy of this ...
2
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1answer
36 views

File size inflation normal with gdalwarp?

After using gdalwarp to project and align-to-grid (via -tap) a number of rasters I noticed that the output rasters were significantly larger than the original rasters. A fairly thorough web search ...
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1answer
24 views

Missing Layer in OpenLayers

When I try to include the "fwp layer" from geoserver 2.4 (Ubuntu 12.4 VServer) into my code it doesn't show up. But the geoserver layer preview (OL) shows the right image. The GeoExplorer preview ...
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0answers
43 views

How can I draw features on GeoTIFF in Python?

I have a set of data (coords + value) and want to turn it into a heatmap in GeoTIFF. Should I calculate pixels and set them as array, or there are shortcuts? This is what I do now: driver = ...
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6 views

save a WMS image on disk and apply a classitem (gdal commands?)

I need to save an image on disk trough WMS coloring the pixels applying a CLASSITEM (e.g. Mapserver CLASSITEM). Is it possible using gdal, if so, how? Thanks in advance, D
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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 ...
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60 views

Making a georeferenced PDF or GeoTIFF from jpg+jgw using GDAL for Avenza PDF Maps

I'm trying to create georeferenced files for the mobile app Avenza PDF Maps. This app works with either GeoTIFF or georeferenced PDF. I know for sure that PDFs made with ArcMap work properly. I'm ...
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35 views

gdal2tiles generates small picture inside 256x256 tile

I've used gdal2tiles for generating tiles in number of different polar projections and always experienced the same problem — strange small picture inside normal 256x256 png with the rest of space ...
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9 views

How to Use .tif File as a separate input for neural network Toolbox

I am facing some problems in building neural networks for flood prediction. The problem i am facing is i have basically 4 attributes which i am taking into consideration for flood prediction in my ...
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1answer
19 views

Adding customised data into geotiff

Not too familiar with the geotiff format and hence would like to raise a query on whether I could embed additional information data into geotiff metadata section? Is the fields type for geotiff ...
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0answers
67 views

Unable to view GeoTiff in GeoServer layer preview

I've loaded a 265 MB world GeoTIFF image (transformed with gdal_translate command) in GeoServer. Everything seems to be ok, but layer preview is blank, although clicking in the map canvas the three ...
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1answer
54 views

How to get the pixels from a geotiff file in gdal python for a given bbox?

I have a GeoTIFF file in WSG 84 Projection reference (it's a GeoTIFF of SRTM). I can use python & gdal to read the whole lot of data into an array (with ReadAsArray()), but I want to only have a ...
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4answers
116 views

How to georeference Tiffs after manipulation in Photoshop?

I am exporting very high-res (7000x7000px) hillshades from ArcMap as tiff files. I am then doing some work in photoshop to the images. How can I easily georeference these tiffs after working on them ...
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2answers
114 views

How to convert a .tif with .tfw to a GeoTiff?

I have a tif image file, and a .tfw world file (created from OSM data with Mapertive). How can I (using linux command line) convert that to a GeoTIFF file? (i.e. I want to have one file, not 2). I'm ...
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1answer
58 views

Geoserver 2.4.1 ImageMosaic Plugin Error Creating Store

I am creating a store with GeoTiffs using the Image Mosaic Plugin and I get the following error when pressing the button Could not list layers for this store, an error occurred retrieving them: ...
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65 views

How to make a geo reference image using GeoTool based on a matrix mapped data?

My ultimate objective is to make a geo reference image and make it as a raster layer to overlay the image above my openlayers map. I have a set of geo coordinate data, and each coordinate is assigned ...
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1answer
1k views

How to import GeoTIFF via postGIS into GeoServer?

As a simple test case, I'm trying to configure the software stack of OpenGeo such that I can display a GeoTIFF as an overlay to a normal map like OSM. So I perform the following steps: Create a ...
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0answers
61 views

Export map to geotiff?

I try to export my map (layout or data view doesn't really matter) to a georeferenced tiff-file (geotiff). However, this presumably easy task is proving rather difficult to accomplish. I first tried ...
0
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1answer
61 views

How to load Georeferenced Scanned Maps in R

I have a geo-referenced scanned Map in GeoTiff format, which I would like to load into R. My intention is to plot some vector data (points and polygons) over this map using maptools package. Is ...
2
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3answers
83 views

Geotiff reprojection

I am new for GIS programming. I try to change geotiff coordinate system from epsg 32635 to epsg 4326. I used the following gdal command: gdalwarp -rc -s_srs epsg:32635 -t_srs epsg:4326 -dstnodata 0 ...
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2answers
822 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?