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

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1answer
229 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 ...
1
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1answer
25 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 ...
2
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4answers
50 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
13 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
20 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 ...
5
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1answer
403 views

How to read Geotiff tags and pixel per pixel values using GDAL C#

I'm new here and I'm new at programing with GDAL C#. My question is how I can get the value of SRTM GEOTIFF pixel to compare with it's neighbors, and how can I get the values of Geotiff tags.
0
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3answers
158 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 ...
0
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1answer
5k 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 ...
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0answers
112 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 ...
13
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3answers
6k views

How do I change geotiff “no data” color to white/transparent rather than black?

I am preparing data for inclusion into a geonetwork node, where the maps are displayed via geoserver. The problem is that cells that have"no data" are displaying as black in the geotiff and I am ...
2
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0answers
74 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
40 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) ...
0
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1answer
142 views

Convert PCIDSK file with seven layers to Geotiff without loss of layers

does anybody know a way to save a PCI Geomatica landsat file (PCIDSK, *.pix) as a Geotiff without loss of layers?? The Transferring layer function of Orthoengine does not work. With the export map ...
5
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1answer
451 views

Determining Natural Origin for a GeoTIFF file (Lambert Conic)

I am trying to display an existing GeoTIFF file (from the FAA WAC set) in an application that requires the GeoTIFF NaturalOriginLongitude tag (FalconView 5.1.1). There are some older files in that set ...
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: ...
3
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2answers
68 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
69 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
26 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 ...
0
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1answer
22 views

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

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 ...
1
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1answer
24 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
511 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
25 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
27 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 - ...
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0answers
28 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 ...
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2answers
56 views

How do I mask a raster in TileMill?

I've tried just about every single TileMill compositing operation on the vector and raster layers in question, and I have to admit that I can't figure it out: How the heck can I mask a raster with a ...
0
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1answer
100 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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1answer
108 views

GeoTiff TMS Overlay

I'm using OpenLayers to display a set of TMS tiles I have on my webserver. Plain and simple, I was wondering how I would go about overlaying a set of GeoTiff files I have over the tiles so that when I ...
4
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1answer
111 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 ...
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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 ...
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17 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. ...
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2answers
638 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 ...
0
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1answer
119 views

WMS render geotiff as a small image

Hye! I am facing Strange problem,My Geoserver 2.2.4 was stop working suddenly so i made a backup of Dir folder and install Geoserver 2.3.5 and replaced workspace folder with new one. Now all ...
3
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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
1answer
183 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 ...
2
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2answers
33 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 ...
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2answers
59 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
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2answers
69 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 ...
0
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0answers
44 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 ...
2
votes
1answer
56 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
30 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
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1answer
180 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
79 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
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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
96 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
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1answer
432 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
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2answers
456 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
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1answer
57 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
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2answers
38 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
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0answers
36 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, ...