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

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48 views

convert GTiff to AAIGrid results in cell size switch

I don't have a clue why the conversion of a tif to an asc has that kind of behavior: original tif metadata Size is 466, 427 Coordinate System is: PROJCS["ETRS89_UTM_zone_32N", ... Origin = ...
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1answer
347 views

How to get raw values from OGC Web Coverage Service (WCS) via ArcGIS for Desktop 10.1?

I posted this a few days ago to the ArcGIS Discussion Forum but have had no response so thought I would try here as well. I'm new to Web Coverage Services (WCS) but have found it easy to add one ...
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1answer
78 views

changing negative pixel spacing to positive

I have a bug with one application that does not handle negative pixel spacing values. Therefore I would like to change the negative pixel values of my images (geotif) into positive values (while ...
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1answer
25 views

How can I display GeoTIFF image in VC++?

I need to represent a GeoTIFF file in a VC++ separate window where I can see the TIFF image and when the mouse is moved it display the geographic latitude and longitude. If I display a TIFF, before ...
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1answer
44 views

Adding Origin to Geotiff using Python GDAL?

Alright, so I'm getting closer to figuring this out but I'm stuck at one (that I know of) thing... how do I use GDAL to apply a known origin of a GeoTiff to another that has been processed in ...
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2answers
43 views

GeoTiff to ndarray

What is the most elegant way to import a multiband GeoTiff as a ndarray using Python? The most common approach I've seen is as follows: from osgeo import gdal arys = [] ds = gdal.Open('sample.tif', ...
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1answer
712 views

Grid registration issue converting from GeoTIFF to Esri ASCII Raster format?

I've got a 3 arc second digital terrain model represented as a 32-bit GeoTIFF that looks like this: $ gdal_info gom03_v1_0.tif Driver: GTiff/GeoTIFF Files: gom03_v1_0.tif Size is 10200, 7800 ...
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1answer
319 views

How to view a raster in CartoDB?

What is the easiest way to view a raster in CartoDB? From the list of formats that you can upload into CartoDB, I noticed that .tif is available, so I've tried adding a GeoTIFF, but it says that ...
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2answers
438 views

Convert from img to geotiff

Using gdal translate, would it be possible to convert from IMG to GeoTIFF? We have very little experience with gdal and would really be grateful for some insight.
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0answers
15 views

TIFFDirectory.getAsMetadata() is not including GeoTIFFTagSet. Any solution to this problem? — JAI

The source code appears to simply copy the TagSet List object to the IFD and then the TIFFMetadata. I don't understand where it is losing the tagset as it is in the list before the call. Anyone ...
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0answers
92 views

Offset problem with GeoTIFF and Google Maps

I have several GeoTIFFs generated with GDAL, and just some of them present a weird offset shift of a range of ~5 km in average. The range of these problematic rasters is as much as -85/-70/-20/0. ...
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32 views

.tif image file cropping

following image has black portion on all side which value is [-inf], that what was showing in ENVI. How can I crop this black portion using that [-inf] value?
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2answers
691 views

Obtain coordinates and corresponding pixel values from GeoTiff using python gdal and save them as numpy array

How to obtain projected coordinates as well as the actual pixel values at those coordinates from GeoTiff file and then save them into a numpy array? I have arsenci020l.tif file, and its coordinates ...
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1answer
67 views

Help interpret GeoTif pixel value python gdal: connection between pixel value, RGB values and physical concentration?

I was running python script that queries a GeoTiff file at the coordinates of a centroid of blocks and as a result I got a list of pixel values, which I have trouble interpreting. When I run gdalinfo ...
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22 views

Geo referencing RADARSAT-1 image

I have lots of RADARSAT-1 file in GeoTiff format along with meta data where corner coordinates are available. Corner coordinates are for image portion(except the black portion). But, radar image has ...
2
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1answer
52 views

Export Geotif with transparent Background

i using Arcmap and i have a raster file, i need export this using a Geotiff file for use in Geoserver like a layer. My problem is, when i export the file always exist a color gray or white in the ...
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2answers
489 views

How to read each pixel of each band of a multiband GeoTiff with GeoTools Java

I am new to working with Raster in GeoTools-very experienced in java. My goal is to read in a geotiff that has multiple bands, then create a HashMap for each pixel, where the key is simply the lat/lon ...
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1answer
68 views

Colormap to grayscale map using QGIS?

I need to export color orthophoto map to gray scale geotiff file using free tools (like qgis) any idea? I tried qgis preview but this does not produce new geotiff file
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0answers
53 views

Convert from GeoTiff to SVG

Basically, the title says it all: I have a customer who can only export structured map data as a GeoTiff file. My job is to convert this file into proper SVG. How can this be done? I have googled ...
4
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1answer
612 views

affine transformation on geotiff

I have a bunch of geotiffs stored in a PostGIS DB that i am mounting on my OpenLayers map. They all have the geoTransform information in them. I just want to know how i can mount them on my ...
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0answers
34 views

Updating/replacing GeoTiff data store on file system causes GeoServer to halt

I have a few hundred raster layers that are updated at least 4 times a day. The GeoTiff's are updated directly on disc. I'm running it as a windows service and I can sell the wrapper app logging the ...
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2answers
2k views

Display Georeferenced Images on Android

I'm looking for an Android application (best would be Open Source), that can display georeferenced images on top of a map (Google, OSM, ...). By Georeferenced I mean that the images four corners are ...
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1answer
69 views

How to split a geotiff into a standard tiling scheme with Geotools in Java

I would like to tile random geotiffs to a standard grid, with a standard size of 256X256 using Geotools in java. My use case is as follows: I receive a "stream" of raster data in the form of multiband ...
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1answer
90 views

Best solution for tiling a geotiff?

I have some GeoTIFF files that I want to bring into the web. The spatial reference of these GeoTIFF files are multiple but are never WebMercator (EPSG:3857) and I need the web map to be in the same ...
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1answer
60 views

creating multi band raster from one GeoTiff

I'm using AgiSoft photoscan to create a photo mosaic from aerial images. The images are being captured using a camera modified for NIR and RGB data capture. I want to be able to perform spectral ...
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3answers
141 views

GeoTIFF world file ignored by QGIS?

I am having trouble getting geotiff rasters to get correctly placed even with a world file available. I have tracked down some discussion from 2010 that suggests that if the geotiff already has the ...
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1answer
272 views

Geotools shapefile and geotiff displaying problem in JMapPane

I'm trying to get a JMapPane to show up in a JPanel, but without success. Below is the JPanel instance containing the map. I am importing a geotiff and a shapefile layered in that order. Not only does ...
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268 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
70 views

How can I create a kml file from a geotiff with alpha layer

I am trying to create a kml version of a map tile using gdal_translate on a geotiff with alpha layer (link here) as follows: gdal_translate -of KMLSUPEROVERLAY input.tif output.kml however, the ...
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167 views

numeric issue while loading floating point-valued GeoTIFF into PostGIS

I am trying to import a floating point GeoTIFF image into PostGIS (2.1), using the following command: raster2pgsql -s 4326 -I -M -F -C tif_dir/*.tif public.map | psql -U postgres -h localhost -d ...
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1answer
42 views

Assign world file to many tiff obtained using a grid/reticulate [closed]

I've many .tiff exported on the base of a grid/reticulate, and now I need to make them georeferenced. There is an automatic method that allow this using the coordinates of the vertexes provided from ...
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1answer
269 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
35 views

How to pick adjacent GeoTIFF files out of a set?

I have a large amount of large GeoTIFF images. Their names are arbitrary and the person that created them does not work here with us anymore. I need to do some programming experiment. How can I pick ...
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4answers
171 views

Creating my own slippy map from GeoTIFF images

I have a Linux server, about 16 Gb of aerial photography files in GeoTIFF format and orders to set up a slippy map web application. This doesn't need to display anything from other data sources at the ...
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0answers
96 views

Why does this Geotools Java reprojection to WGS-84/4326 cause offset?

I am using the block of code below. I am reading in a geotif with a UTM zone projection and converting it to 4326. I am pulling out certain multiband values and creating a new raster, when I plot the ...
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0answers
84 views

How to convert a raster file (*.tif) into a composite geodataset by using Python in ArcGIS 10.2.1

I created geotiff rasters (approximately 6000 rasters) in .tif format by using Matlab Mapping Toolbox. When I examined the properties of the data, I realised that it is 64 bit double type. I need to ...
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3answers
286 views

Read GeoTIFF file with php or javascript

Sorry, I am newbie with GeoTIFF files. I want to create a project that a person can upload a GeoTIFF file and the web application saves the lat/long of the picture into the database, the server side ...
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1answer
6k 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 ...
2
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0answers
85 views

How do I present labels in raster format in ArcMap 9.3?

I'm creating a raster map of a large city in ArcMap 9.3 which will be used in a third party software. My problem is that I need to find a way to include labels of street names in my output. I have a ...
2
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1answer
70 views

Determine spatial average of several tiff files

I am relatively new to GIS. I have a set of tiff files containing a raster each. I would like to average them, though their extents are slightly different. They each have their geospatial data ...
2
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1answer
2k views

GeoServer + ArcMap

I need to setup GeoServer and access GeoTIFF images in the ArcMap. I have started with installing Geoserver and created a layer with GeoTIFF. Now, what are the next steps to publish the map(using WMS) ...
5
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1answer
2k views

Selecting and extracting data from TIFF files

I have some tiff files (2 for example) and a shapefile. The real format of the tiff files is geoTiff. I want to get the points inside the shape boundary. Each point should have 4 parameters: ...
3
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2answers
252 views

How to create a raster tiff (dem / heightmap) from a mesh of xyz points?

I have to create a terrain heightmap(raster tif preferably) from mesh of xyz ungridded points(in geographical coordinates), I tried taking min and max of bbox of mesh and making width & height by ...
3
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1answer
107 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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32 views

I want to register points on a pdf and export to a geotiff

I have a map that is a .pdf file. Using ArcGIS 10.1, I want to register 4 points and save the file out as a geotiff file to be imported into another drawing program. Could you please give me ...
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1answer
50 views

create a geotiff datastore in geoserver

im able to create a data store in geoserver but when i try to access it in the geoserver admin console i get this error : can't load chosen data, verify that the loader module is installed (sorry ...
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2answers
939 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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1answer
56 views

gdaldem output file size explodes

I want to create a color-relief and a hillshade with gdaldem and use them with mapnik. System: Ubuntu 14.04 LTS Server, gdal-bin 1.10. Here are my steps: Download all SRTM tiles from ...
2
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0answers
119 views

Compression in GeoTiff files with GDAL

I have an output from 3th party program in tif format where gdalinfo gives the following information: Driver: GTiff/GeoTIFF Files: J:\ascend\Lufthavne - ...
2
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0answers
56 views

Getting a raster extent excluding nodata area

I have a GeoTiff raster in which half of its area is nodata. The problem is that the raster extent includes the nodata area. Is there a way with GDal to recalculate the extent of the raster excluding ...