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

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How to force GeoServer to remove, or change, NoData Value from GeoTiff?

I am trying to display vector data of state borders, downloaded from GeoServer as GeoTiff, in QGIS. By default downloaded raster looks like this: After disabling NoData value in ...
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15 views

Creating map or converting to GeoTIFF, Bufr format?

I'm trying to work with spatial data saved in WMO BUFR format (.buf extension). I need to cut data to my extent, create map and calculate spatial statistics. I'm aware that two tools are able to open ...
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1answer
20 views

QGIS imported geotiff rendered as perspective view, how to change to top

I've created a GeoTiff that should have GPS coordinates in it using AgiSoft. When I load it into QGIS, it renders the image in a perspective and I want to always see the image from the "top" down. ...
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21 views

Saving a TIFF file with band names

Does anyone know if it's possible to add a TIFFTAG when saving a tiff file (I'm using the C/libtiff interface) that will give a name to each band? Some kind of per-band TIFFTAG_IMAGEDESCRIPTION is ...
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19 views

What are the units in GMTED2010 elevation data?

I have downloaded the GMTED2010 elevation data from http://topotools.cr.usgs.gov/gmted_viewer/viewer.htm I am merging all the files/tiles (to create a global dataset) with: gdal_merge.py There is ...
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1answer
72 views

Where vrt files store the location of the tiles

I have thousand of tif tiles and a vrt file, generated by using gdalbuildvrt. At the moment they are at the same folder level in the system, but if I open the vrt file with Notepad I cannot find any ...
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20 views

Batch convert GeoTIFF's to Garmin Custom Map compatible KMZ files

I have about 600 GeoTIFF map files geo-referenced using New Zealand Transverse Mercator 2000 (NZTM2000). Each file is about 140 mb in size. I'd like to convert them to Garmin Custom Maps compatible ...
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32 views

Combining tiff with shapefile

I have a geotiff image with a D_WGS_1984 Datum of land cover for the continental US and I want to be able to merge it with a US counties shapefile. What is the fasters and best way to do this? My ...
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48 views

Gdal Python Problem : Black strips in geotiff

I am trying to use GDAL (2.0.0) Python API in Blender, but I am having some difficulties. I am trying to save geotiffs for : - a 2D numpy array storing 32bits floats - a 3 channels rgb numpy array ...
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2answers
57 views

NetCDF to Geotiff file conversion

How would I convert NetCDF files to Geotiff format? The data I am using is air temperature data that comes from the Climatic Research Institute and I want to display it on ENVI. I am not familiar with ...
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1answer
28 views

How to remove compression from jpeg2000 NAIP imagery?

I downloaded a 4-band 1m spatial resolution NAIP image from Earth Explorer. The default image format is jpeg2000. You can see the trees in the attached image appear grainy, more so than what you ...
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1answer
39 views

GeoTiff exported using GRASS will not open in other programs

I am trying to export an image group as a multi-band GeoTiff using the r.out.gdal module in GRASS. For some reason I cannot get ArcGIS to recognize my GeoTiff exports. I have tried opening the file in ...
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3answers
42 views

Creating a new raster layer based on mean of other raster layers, ignoring NA values in R

I am trying to create a new raster layer that is made up of the mean values from 7 other raster layers. I get results using overlay function mean: mean <- overlay(2000, 2001, 2002, 2003, 2004, ...
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44 views

can I preserve a fading alpha layer when mosaicing images with gdal?

I am mosaicing some images with gdal and would like to improve the final result by using a fading / gradual alpha layer towards the edge of each image to remove the sharp edges in the middle of the ...
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0answers
19 views

How to export/reproject GEOTIFF with UTM latitude band from ENVI

I'm trying to export GEOTIFFs from ENVI 5.1 SP1 to an app (GIS Pro on an iPad) that seems to require that the zone represent the latitude band and not the hemisphere (e.g. 30U, not 30N). Is there ...
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51 views

Georeferencing reversal of image

I georeferenced a map and it posted to canvas as a mirror image of the original map. I set my project CRS before starting and also made sure to set the same SRS for the Geotiff being created and ...
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28 views

Converting georeferenced .pdf to .tiff in ArcGIS for Desktop? [duplicate]

I am attempting to convert a USGS georeferenced pdf to a tiff. I found this help page, which looks pretty simple: ...
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1answer
61 views

How to place an numpy array into GeoTIFF image using python-gdal

I am attempting to export data of varying scales into GeoTIFF images...a new method for me. The problem I'm running into is when using the GDT_Byte pixel type, data values < 0 and > 256 are not ...
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1answer
95 views

Properly Converting from UTM to Lat/Long with gdalwarp

I have a file in GeoTiff format in UTM coordinates. I convert the file to LatLong, then back to UTM, and the coordinates aren't what I started with. I have the printout of the process below. ...
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55 views

Create GeoTIFF from JPG and JFW files with gdal

I have a JPG image and the corresponding geospatial information on a JFW wolrd file in a ETRS89 geodesical system and UTM coordinates (EPSG:25830) 5.0000000000 0.0000000000 0.0000000000 -5.0000000000 ...
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2answers
142 views

Does a SRTM DEM image show details such as fields?

I'm working through the QGIS Training Manual where I have a step to get ... ... raster images (SRTM DEM) which cover the region you have selected for your course. SRTM DEM can be ...
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1answer
36 views

Open Source Webmaps and Geotiffs

I have recently started to learn how to use open source web maps, and have come across the following issue. When using geoserver and geo explorer (part of the open-geo-suite), I seem to get an ...
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2answers
137 views

How to convert the geographical projection of an extremely large file (GDAL)

My Task I need to convert 9 x 14Gb GeoTiff files to WGS84 geo projection. The rough size in pixels is about 200k x 100k. The data-type is byte and it is not a subject to interpolation, it is some ...
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43 views

Importing spatially referenced geotiff from MicroStation V8i into ArcGIS

I can't figure out how to properly import a geo-referenced raster into ArcGIS from MicroStation. Both the design file and the Arc data frame are in the same projected coordinate system, which is ...
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1answer
87 views

How do you classify unclassified pixels in a land cover geotiff tile?

While printing out the raw pixel values of a GEOTIFF land cover tile I found 90 % of pixels have normal values i.e. those that the documentation describes (8 bit integers describing a land cover ...
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29 views

load raster (geotiff files) to postgis with url

I tried to load rasters to postgis with raster2pgsql but this not satisfy my project because it uses local files. i have 5000 and will be more in future geotiff files in cloud host. is it possible ...
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1answer
28 views

Create GeoTIFF from TIFF with Java

I create a tiff file from a bufferedImage in Java. I have some GCP (Ground Control Points) and I would like to make a GeoTiff. I know the GeoTIFF jai but this library is not updated since 2001... Any ...
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1answer
27 views

creating a pyramide tiles of a geotiff using gdal

I have a big geotiff file (about 300MB), and I saw an example of a big data organized in folders : folder 0 contains one folder 0 which contains one .png file named 0.png folder 1 contains two ...
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1answer
55 views

Tilemill and GeoTiff not working together

Loading in a geotiff with projection of EPSG:4326 isn't fully rendering: The original: The original in Tilemill: When using gdalwarp to change the projection from EPSG:4326 to EPSG:3857, ...
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0answers
28 views

Export only one value from a one-band raster

I have a PostGIS database with a georeferenced raster, with one band which contains values from 0 to 255. I should export it to a transparent GeoTiff picture in which the only visible pixels are those ...
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26 views

GeoTiff error when building Jar with GeoTools

I'm seeking some help with GeoTools. I've been using it for a school's project, I had almost no problem until now. But now that my project is done, I've tried to build an executable jar with the ...
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1answer
51 views

Import BigTiff files in Grass

I am trying to import a raster (geotiff) in Grass with size of 64 GB . It makes me an error like this: ERROR 4: This is a BigTIFF file. BigTIFF is not supported by this version of GDAL and libtiff. ...
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2answers
191 views

Can QGIS export Geospatial PDF for Avenza PDF map app?

Since QGIS uses GDAL, does any map exported as a PDF become a Geospatial PDF? I am hoping to import maps from QGIS into the Avenza PDF Map app on my phone. Previous posts mentioned exporting as ...
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0answers
63 views

Convert grey,green,blue to red,green,blue tiff

==== Edit ===== Issue tracked to strange behaviour of gdal_warp when -dstalpha is specified and source is RGBA. I had assumed that the grey,green,blue tiffs (see example below) were genuine and ...
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1answer
57 views

In a GeoTiff, what unit are extents in?

I was looking at the GDAL metadata of a USGS GeoTiff quad (o48118e8) with the GdalToTilesWin program. It dumped the following info: Name o48118e8.tif Size X/Y 5315/6780 ResolutionX/Y 2.4384/2.4384 ...
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58 views

mbutil export of mbtiles png files are all corrupt

I have an mbtiles file that I created with MapBox studio from a GeoTIFF source, and when trying to export the mbtiles with mbutil, all the images are corrupt, no matter if I try png or jpg. Has ...
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87 views

Creating geoTiff from MBTiles

I have mbtiles file with various zoom levels (8-14) and I want to create geotiff file from it. I think that this could be acomplished with gdal but I dont know how. Any suggestions on how to complete ...
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3answers
94 views

How to export a GTiff with its GDAL colour table, in GRASS, which is suitable for Adobe Illustrator?

I've created a new raster in GRASS, starting from a dem and using the commands r.relief and r.shade. Now I would like to export this new raster as a georeferenced image and import it in Adobe ...
2
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2answers
177 views

QGIS raster GeoTIFF file covert to kml?

I have a NDVI image, which I Geo-referenced in QGIS (raster). Now I have to open the image in Google Earth - how do I convert the GeoTIFF raster file to a kml file in QGIS, so that I can open the ...
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33 views

tfw world file in decimal degrees?

I want to understand how "world files" are created. I found some definitions, like: http://en.wikipedia.org/wiki/World_file which says that the 2 last lines in the file are x and y coordinates of ...
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49 views

HDF to Geotiff conversion

can anyone tell the program code or script for converting HDF files to geotiff using MRTSwath tool? I've downloaded MODIS Files for fog estimation but i couldn't find how to process them.
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1answer
64 views

mosaicing geotiffs with gdal creates gaps due to alpha layers

I have a series of geotiffs which I'm trying to mosaic together, however when they are combined their individual alpha layers overlap sections of the other images and create gaps in the final mosaic: ...
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1answer
134 views

jpg to geotiff transformation with gdal_translate and gcps fails

I am trying to create a geotiff from a jpeg by inputting gcps with gdal_translate: gdal_translate -of GTiff -a_srs EPSG:4326 -gcp [1616.0 0 -121.459869532 38.5822533549] -gcp [0 0 -121.460081357 ...
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80 views

gdal_merge tries to create image with negative dimensions

I am trying to use gdal_merge.py to create a mosaic from a set of geotiffs, however the command fails with the error message: "ERROR 1: Attempt to create -3510x1817 dataset is illegal,sizes must be ...
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1answer
50 views

Can GDAL with “Kml Super Overlay” output a georeferenced geoTiff from a kmz?

I've got a kmz containing an unrefrenced jpg and a boundary box in kml. ogrinfo is happy to report (filenames redacted): INFO: Open of `Sim[...].kmz' using driver `LIBKML' successful. 1: Sim[...] ...
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11 views

Where can I obtain Landsat7 senes in FAST (.FST) format?

I have scripts written such that will only process Landsat7 scenes in the FAST (.Fst) format. I was wondering where can I download such scenes? Also, is there a way to convert Geotiff format Landsat7 ...
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1answer
45 views

GDAL - Specify span of elevation values for conversion to Terragen format?

I'm attempting to use the gdal tools to convert some geotiff files I have to the Terragen format. I was hoping to use either gdal_translate or gdalwarp in a similar fashion to this post. (though I ...
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0answers
164 views

Merge several images and Export a GeoTiff File

I have approx 500 geo-referenced images that I was hoping to merge into 1 geo-referenced file, and export it as a single geotiff file. To be used in AutoCAD Civil 3D I know I am pushing my luck and ...
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1answer
76 views

Adding a GeoTiff created in QGIS to Map Box

I have created a heat map in QGIS and have successfully exported it as a Geotif file. I exported the file as a Rendered Image to include my classifications and colors. However when I pull the data ...
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1answer
82 views

Why does projection WKT differ between osr.SpatialReference and gdalinfo

I am writing a simple geotiff using the GDAL python bindings, but the projection WKT reported by gdalinfo differs from the source. The script from osgeo import gdal, osr import numpy # Create ...