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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0answers
89 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
82 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
votes
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
1k 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: ...
4
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2answers
279 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
115 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 ...
0
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0answers
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 ...
1
vote
1answer
56 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 ...
2
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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
votes
1answer
63 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
129 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
70 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 ...
4
votes
1answer
166 views

Convert downloaded LiDAR info to DEM in GRASS

I have downloaded LiDAR information as a .asc file and a .tif file, and even though I have tried multiple methods to convert them to a dem I am having no luck. Grass GIS says there is an invalid ...
0
votes
0answers
12 views

Trying to build website which shows different satellite images? [duplicate]

Basically i want to build website which shows different satellites images of cities and as i hover my mouse the lat/long should change. Sorry for such a basic question, as i am new to javascript, if ...
0
votes
0answers
105 views

use mapnik to read from multiple geotiffs

I set up Mapnik to custom-render a GeoTiff file. python and xml files to do so were taken from a github mapnik example, and the successful image output is a rainbow-esque .png from the original .tif. ...
6
votes
2answers
768 views

How to get latitude, longitude and altitude database from a GeoTIFF file?

I am developing an AR iOS application. When the iPhone gets the current location, it has to calculate locally the visible point. I want to read the tiff files in my application, and then get the ...
4
votes
3answers
2k 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), ...
2
votes
2answers
87 views

convert DTM txt file in geoTiff file

I have a DTM file, txt format, I would like to convert it into GeoTIFF, how can I do with the software grass? thanks ncols 1329 nrows 1152 xllcorner 1693884 yllcorner 5080341 ...
3
votes
2answers
652 views

Looking for an open-source Java based GeoTIFF library

I have written many programs for reading and writing various types of spatial data in the past but I must admit that the GeoTIFF format has often gotten the better of me. It's such a flexible format ...
1
vote
2answers
145 views

Aggregating satellite night light data in R

I am working in R and having some difficulties with extracting values from a raster layer. What I am trying to do is aggregate satellite night light data from pixel to polygons. However, when I ...
2
votes
1answer
119 views

Opening GeoTIFF (georeferenced in ArcGIS for Desktop) in QGIS?

I tried to open a georeferenced geotiff created in ArcGIS for Desktop in QGIS. I could open them but they are not in the right spots. These raster datasets contains .aux .rrd .tfwx .tif.aux.xml ...
2
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0answers
55 views

geoserver and openlayers select rectangle pixel values

I'm running a geoserver (2.5.x) with 1 raster file (GeoTIFF) as a layer. From my application I can access a single pixel value when clicked (through WMS), but what I'm really interested in is to get a ...
1
vote
1answer
880 views

Convert PNG to GeoTiff using GDAL

I have a map portion PNG and its associated PRJ file. I want to convert the PNG to a GeoTIFF. I know how to convert a PNG to a GeoTiff if the bounding box is available: gdal_translate -of Gtiff ...
4
votes
2answers
119 views

Is there a command line tool for converting projection in .prj and GeoTiff to EPSG codes?

Is there a command line tool to convert a shapefile projection in the .prj file into corresponding EPSG code? I know that there is website http://prj2epsg.org/search for doing this online, but I ...
4
votes
2answers
1k views

How to read GeoTIFF using PHP?

My current pet project involves creating a web service that uses the CGIAR SRTM worldwide elevation data set. Each request to the service will query for elevation data from a small geographic area. ...
2
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3answers
145 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 ...
2
votes
1answer
615 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 ...
9
votes
2answers
489 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 ...
3
votes
1answer
380 views

Is there an image editor that can edit GeoTIFFs without affecting their embedded georeferencing?

I know there are a couple workarounds for this but I was hoping a direct solution exists. I am looking for an image editor (like Photoshop but hopefully free software) which can be used to edit ...
2
votes
2answers
98 views

Batch Envi read and write to tif

Is there a way to batch read in ENVI standard image files (they have associated headers) and export them to a GeoTiff ? I have a folder of ~500 images
0
votes
0answers
104 views

Find correct SRID

I'm learning PostGIS raster, and importing GeoTiff with raster2pgsql. This command line tool states: -s <srid> Set the raster's SRID. Defaults to 0. If SRID not provided or is 0, ...
1
vote
2answers
413 views

How can I import tif file in GRASS GIS

While importing TIFF image to GRASS GIS, I get an error: Location PROJ_INFO is: name: Lambert Conformal Conic proj: lcc datum: nad83 a: 6378137.0 es: 0.006694380022900787 lat_1: 36.16666666666666 ...
4
votes
1answer
379 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 ...
2
votes
2answers
77 views

Can GDAL fill elevation below a certain value?

I have several GeoTIFFs that I'm working with to create contours using gdal_contour. One of them crashes the utility. gdalinfo tells me that the computed min values for band 1 and 2 are ...
-1
votes
1answer
94 views

What kind of geo information is stored in a GeoTIFF

When given a geotiff, what kind of information is normally stored in it as part of the geo information? Is it the position of the 4 corners? Is it the position of each pixel? Is it a mesh of geo ...
2
votes
0answers
79 views

How do you create either a geotiff or a .tfw in QGIS using python?

Probably I just don't understand the API documentation, I don't use object oriented programming to its full capability. I do see this has to be done from a composer object in order to automatically ...
1
vote
1answer
106 views

How can I clip multiple geotiff tiles with a shapefile without greatly increasing their size?

I'm using gdalwarp to clip a number of geotiffs (tiles of a larger map) to a polygon described by a shapefile (which is about the size of the overall map, i.e. much larger than individual tiles) ...
5
votes
5answers
2k views

Exporting MXD layout view to GeoTIFF?

It my be old issue, but I can't find right solution. How to produce GeoTIFF from layout view not from data view? Any simple solution?
1
vote
1answer
60 views

Exporting whole map from ArcMap to GeoTIFF not just current view? [duplicate]

I like to export my whole map which is composed of both raster and vector data to geotiff (or other raster format) in ArcMap 10.1. If I select file->export, only the current view is exported. I want ...
2
votes
1answer
45 views

Speeding up processing of geotiff background for QGIS?

Originally I had an image as a mrsid file. That was very convenient as it was smaller and fast to pan etc. The down side was that every time I upgraded QGIS I had to go through the ritual of ...
0
votes
1answer
74 views

Changing Spatial Reference System (SRS) of existing GeoTiff file?

How do I change the Spatial Reference System (SRS) of an existing GeoTiff file? Or more fully, what can I use to convert the meta data for the file to a different SRS?
0
votes
0answers
151 views

How to correctly render a raster Layer to GTiFF with QGIS python console?

I am trying to render a map from a raster layer. As recommended in pyqgis cookbook and here(osgeo.org) I use QgsMapRenderer(). I am able to produce a picture but it has not appropriate extent and ...
1
vote
1answer
97 views

Why does the commands listgeo and gdalinfo don't show the same Proj4 Strings?

As the title says, why doesn't the unix tools listgeo and gdalinfo show the same proj4 strings? Check this file: ...
1
vote
4answers
1k 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 ...
1
vote
1answer
67 views

Aerial Imagery Showing in Different Colour while pan/zoom geoserver

I have img/tif files of a small aerial imagery. I published it under ImageMosaic plugin (GDAL plugin installed), but when I pan or zoom the map in OpenLayer preview I am getting different colour for ...
2
votes
1answer
128 views

OS X Preview unable to open GeoTiff due to error 259?

I'm currently working on a GeoTiff writer which writes GeoTiffs to the file system. I can write the GeoTiff, dump it with tiffdump, listgeo and gdalinfo and my own GeoTiff reader can read it with no ...
0
votes
0answers
78 views

UTFGrid from raster source

Is it possible to make utfgrids from a raster source (e.g. GeoTIFF)? I am trying to get utfgrids from a .tif with mapnik.xml and TileStache but it seems not to be working. As a workaround I am ...
0
votes
0answers
59 views

IMG and geoTIFF raster extraction

everyone. I'm very new to GIS technologies. Somehow, i need to extract raster(RGB data) data from geoTIFF and IMG files. What is the fastest way doing it?
1
vote
2answers
254 views

Exporting GeoTIffs from Data Driven Pages for use on a Tablet

I'm a beginner at ArcGIS 10.2 and have encountered a small problem that I couldn't solve by googling. I'm trying to export a set of raster and vector data for use on a tablet. The aim is to find LiDAR ...
8
votes
2answers
150 views

How can I use data from PDF map?

I have a map over Sweden with plenty of data represented as circles of various sizes. The map is saved as PDF from Illustrator, fully editable. I wonder if there is any way I could get these circles ...