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

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2
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1answer
25 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 ...
1
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1answer
31 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
30 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, ...
3
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0answers
37 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 ...
0
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0answers
14 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 ...
1
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0answers
45 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 ...
2
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0answers
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: ...
0
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1answer
42 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 ...
2
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1answer
47 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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0answers
39 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 ...
2
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2answers
118 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 ...
0
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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 ...
6
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2answers
118 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 ...
0
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0answers
37 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 ...
3
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1answer
78 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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0answers
25 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 ...
1
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1answer
22 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 ...
0
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1answer
22 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 ...
1
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1answer
43 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 ...
0
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0answers
17 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 ...
0
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1answer
47 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. ...
1
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2answers
135 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
52 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 ...
1
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1answer
52 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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0answers
49 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 ...
0
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0answers
64 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 ...
2
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3answers
80 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 ...
1
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1answer
92 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 ...
2
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0answers
27 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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41 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.
0
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1answer
54 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: ...
1
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1answer
96 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 ...
0
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0answers
69 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 ...
0
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1answer
41 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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0answers
10 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 ...
0
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1answer
40 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 ...
2
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0answers
121 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 ...
1
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1answer
62 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 ...
3
votes
1answer
68 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 ...
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0answers
39 views

I need to host imagery though a WMS service from an Ubuntu box. What software stacks will work for me?

Our DRS Spits TFW and TIF files to a directory for imagery. I need to be able to automatically grab these files and host them via (possibly a password protected) WMS. The basic use case is this: ...
0
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0answers
49 views

How to get elevation of a coordinate given a dtm file out of a PostGIS?

What would be the best way to get elevation of a coordinate out of a PostGIS database (SQL/plpgsql) given a GeoTIFF dtm file? Importing as PostGIS Raster (which seems more costly) and calling ...
0
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0answers
46 views

Cloud layer over lay openlayer - kml

I currently have an open layer map which to overlay satellite images of cloud cover which I have available as GEOTIFF. I have manipulated these using the gdal utilities to extract the band containing ...
2
votes
2answers
50 views

Can I set up GeoServer Image Mosaic plug in to pick up images from a directory dynamically?

I have set up Image Mosaic to load GeoTIFF images from a directory and it is all good but when I add more GeoTIFF files to the directory they do not show up in the mosaic unless I recreate it. Is ...
0
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1answer
40 views

Cut a hole into a geotiff

I have two hillshading geotifs that I created using gdaldem hillshade. One covers a huge area with an OK resolution and the other has a much higher resolution for a smaller part within the huge area. ...
1
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1answer
120 views

Tools for building and exporting high resolution geotiff

I'm having some really nice raster maps in geotiff format. I would like to add some features to these maps as well as then exporting them as tiles for serving the map from a web server. Preferably I ...
0
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1answer
195 views

Import GeoTIFF into MapInfo - why “control points”, and how to batch-create TAB files?

OK, so I am largely hostile to commercial software with 'proprietary' formats, but a colleague only knows MapInfo. I have a bunch of GeoTIFFs (produced by gdal-merge of JPG/JGW-filepair hi-res aerial ...
0
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1answer
127 views

GeoTIFFS on Geoserver are served slowly, at too low resolution

I have a bunch of large, high resolution GeoTIFFs, that I am serving using GeoServer. I also have a prototype client I wrote using Leaflet. The resolution of the TIFFs is quite high, but despite that ...
1
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1answer
53 views

Geotiffs not displaying colour correctly in MapInfo

I'm trying to open geotiffs I made in ArcGIS 10.2 in MapInfo 12.5. They open in MapInfo in the right location but displayed on a blue colour scale. These should be colourful RGB images. Trying to ...
0
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1answer
39 views

ArcGIS export mosaic seamline

I created a mosaic from multiple overlapping GeoTif files in ArcMap 10.2. Than I created seamlines between the images to define which part of the scene is taken from which original image. Now, I want ...