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

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142 views

How to create GeoTiff file from .h5 file?

I have .h5 file containing Latitude, Longitude and Dataset(I m working multiple type of dataset).And I want GeoTiff file of it contains all Information related to GeoTiff. So is there any way to ...
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82 views

Create GeoTIFF for a specific scale

I am working on creating several GeoTIFFs in QGIS. My workflow was to: 1) Export the PDF map at the desired scale (1:64m) 2) Design the map and export the TIFs from Photoshop (I've used several ...
2
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2answers
427 views

how to open geotiff as base layer on openlayers

i want to add a geotiff image as base layer on openlayers : copy my image.tiff in a directory and open it with openlayers directly without using a cartography server.
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1answer
121 views

Creation of tiled grid in JAVA with geotols

I am trying to create a grid using GeoTools in JAVA, covering specyfic area with resolution 50 m (distance between two points). To do so I have two points: the most nortwestern (let's call it NW) and ...
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0answers
192 views

Importing multiple GeoTiffs in TileMill

I am a software engineer that is very new in the geo world. So excuse my ignorance if this question seems simple or if terms I use are totally wrong. Problem: I have been tasked with taking multiple ...
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0answers
70 views

How to prevent transparent borders (collars) of a tif wipe out overlapping regions of adjecent tif while using gdalbuildvrt

I have a set of Geotifs that have got transparent borders (collars) of irregular shapes & dimensions around them. First I created a VRT over this set of Geotifs through gdalbuildvrt. Then I ...
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1answer
58 views

Is there an easy way to refresh / update a raster tif file in GIS?

Apologies for the newbie / basic question, but it seems to be a fairly simple concept which I can't get to work properly, and I'd be really grateful for a pointer or two! I have a load of different ...
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1answer
172 views

Read Elevation from 1/3 Arc-Second NED .tif or .img

I'm trying to read multiple elevations from a USGS 1/3 arc-second IMG / GeoTIFF file. A sample of the files is available here (5 MB): http://tdds3.cr.usgs.gov/Ortho9/ned/ned_13/img/n43w108.zip I can ...
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1answer
1k views

Is there a way to convert GeoTIFF to DEM?

Simple enough question. The NASA Aster data comes in GeoTIFF format, but the tool I'm using (Sketchup) only accepts DEM. Is there a way to convert? I did a lot of searching, and only found the ...
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0answers
317 views

Converting GRIB to Geotiff with gdal_translate in Python

I want to extract each band from a GRIB (gridded binary from http://data-portal.ecmwf.int/data/d/interim_daily/) in a single Geotiff image. I´m using Python with gdal_translate in a QGIS backround, ...
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1answer
157 views

cut square from geotiff

i want to make a 3d modell out of the mount everest and some other mountains. what i need therefore is a 14km² square around the peak from the mountain. so basically i use qgis to extract the area ...
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1answer
75 views

Importing a Geotiff into WhiteBox

I am looking for an opensource solution to create a seamless air photo mosaic. I came across WhiteBox from the University of Guelph which seems like it might do the trick, but it does not support ...
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2answers
1k views

Adding GeoTIFF image to GeoServer: failed to create reader from file

I'm trying to add a GeoTiff-file to GeoServer through adding a raster data source, but whenever I try to add my file, I get the error 'Could not list layers for this store, an error occurred ...
2
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0answers
66 views

ArcGIS rectify image with embedded colormap (clr)

When rectifying a georeferenced tif image in ArcMap 10.2 the colormap gets placed into an accompanying .clr file. Is there a way to stop this behaviour and have it embedded into the tif so it is ...
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1answer
449 views

How to download GeoTIFF files of TRMM product 3B42 (rainfall estimates) [closed]

I want to download GeoTIFF files of TRMM product 3B42. (This is a rainfall estimate derived from multiple sensors of the Tropical Rainfall Measuring Mission satellite.) The NASA/Goddard Precipitation ...
3
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2answers
1k 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
779 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
159 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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0answers
44 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
241 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 ...
2
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0answers
182 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
409 views

How to remove black box around georeferenced grayscale image in QGIS?

i'am trying to georeference a grayscale image (*.tif) in QGIS 2.2.0 Valmeria. It is working but QGIS draws a black box around the georeferenced raster image. If i use the option set 0 transparent, not ...
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1answer
265 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
468 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
124 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 ...
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3answers
755 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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1answer
145 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
65 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: ...
2
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1answer
198 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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0answers
129 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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1answer
51 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 ...
2
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1answer
214 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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1answer
39 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 ...
2
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1answer
291 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
242 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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0answers
175 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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2answers
4k 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 ...
3
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1answer
138 views

Re-registering a GEOTIFF in qgis

I'm working on some images taken from a UAV over the course of a year. They are OSGB 1936 projection as is the whole project. Annoyingly they don't quite line up so I am trying to a few of the images ...
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4answers
2k views

Creating Store in GeoServer using ImageMosaic Plugin gives Error?

I am creating a GeoServer 2.4.1 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 ...
4
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4answers
855 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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1answer
461 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 ...
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1answer
547 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
219 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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1answer
103 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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0answers
186 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
137 views

Geoserver GeoTiff Raster Layer Turns Shade Pink (Not Pink Error Tiles) [duplicate]

I have been given some geotiff files, sample of one is here I published these files as an Image Mosaic Layer in Geoserver. All is fine except that all the displayed geotifs, at all zoom levels are a ...
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0answers
47 views

No visual after loading geotiff in Qgis Dufour

I installed the latest version of QGis 2.0 for mapmaking. Before I used the 1.8 version and I had no problems in loading Geotiffs. With the latest version, it loads the same files but it doesn't show ...
2
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1answer
88 views

How to remove/disable last row/column of SRTM GeoTIFF in QGIS?

I've started using QGIS yesterday, and one of my main reasons to use it is to apply colormapped SRTM v4 over Google aerial imagery. Everything is working fine, except that SRTM v4 elevation tiles ...
3
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3answers
175 views

Using gdal_merge to create a grayscale mosaic

My gdal fu is weak and I need help! ;) I'm creating a mosaic in geotiff from hundreds of ecw. I created a list of all my rasters and used this command: gdal_merge -o c:\temp\output_image.tif -q -v ...
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1answer
532 views

Is it possible to create MBtiles from a TIF? [closed]

I have a geo-referenced tif (it's really big around 1GB) and I'd like to convert it to mbtiles so I can serve them and view the map. What is the best tool to do this conversion?