GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file.
2
votes
0answers
132 views
Problem with geotiff in qgis only in some PCs
Helllo
I'm having some weird problem opening a 16bits geotiff with qgis. In my pc it opens and displays perfectly, but in another pc (with the same version of qgis) it displays all wrong
the image ...
0
votes
1answer
135 views
Why is the imported TIFF file distorted with noise in Quantum-GIS?
I've a TIFF-file. Loading the raster image into QGIS does not display correctly. (Using the Add raster layer button.) It seems to be distorted with noise. See image below:
The source of the TIFF ...
2
votes
1answer
224 views
Problem with convert georeferenced jpg to geotiff
I'm beginner with GIS tools. I have jpg file with GPS data and I need reference this file to Microstation as georeferrenced raster.
I tried use function Raster -> Conversion -> Translate with defined ...
2
votes
2answers
619 views
Adding georeferencing data into tiff image
I want to create a georeferenced .tiff file from a .png file. So I convert the .png into a normal .tiff file using the following command line :
convert image.png image.tiff
Here, all works fine, I ...
2
votes
1answer
71 views
Global composite of radar data available?
Iowa State offers an exceptional NEXRAD composite image as GeoTIFF for the entire continental US at a reasonable resolution. Is there a comparable GeoTIFF composite updated semi-regularly available ...
2
votes
1answer
216 views
QGIS Export Color mapped GeoTIFF to GeoTiFF
I've loaded a GeoTiff in QGIS (Single Band), and applied a Color Mapping. I can view it in the map canvas, but I would like to export the entire mapped GeoTiff as an appropriate 3 Band GeoTiff (i.e ...
5
votes
1answer
206 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 ...
2
votes
0answers
87 views
How to geocorrect in qgis?
I need to fit a utm wgs84 tiff raster to a topomap in the same projection. I use GCP and it invariably fails. The first raster uncorrected rater superimpose well, the "geocorrected" raster is ...
3
votes
0answers
160 views
How to download GeoTIFFs using the REST API in GeoServer 2.2?
I am using GeoServer (Version 2.2 Git Revision f5b5c35076b52d02eb9cca3fa3232bc17b5f6d80 Build Date 19-Sep-2012 18:33 GeoTools Version 8.2 (rev 704570474295e339c08d1ca140d884f23a8a03a3)) and I've got ...
3
votes
1answer
115 views
Problem in displaying a GeoTiff image in JMapFrame
I'm trying to display a GeoTiff image with no projection but where the geographical extent (bounding box) is known:
reader= format.getReader(new File(sImageName));
GridCoverage2D gridCoverage= ...
7
votes
2answers
270 views
Does anybody know a service that exports OSM maps to georeferenced GeoTiff files?
Does anyone of you know if there is a service available for exporting OSM-maps in the Geo-Tiff format?
best regards
desputin
2
votes
1answer
104 views
Reproject JPEG to TIFF?
I want to import an elevation layer into GeoServer for later WMS access. This is the base layer I would like to import - http://en.wikipedia.org/wiki/File:Srtm_ramp2.world.21600x10800.jpg . What I'd ...
4
votes
1answer
156 views
Recoloring geotiff for visual presentation
I have a rather big Geotiff. It is the mosaic of four RapidEye satellite images. They are all a bit bland/grayish. When combined I would like to freshen up their colors so that they are more visually ...
1
vote
1answer
639 views
arcgis server 10 tif mxd problem
i am using arcgis server 10. first i opened arcmap and added a.tif file. then i saved it using
File -> Save As
as a ArcMap Document (*.mxd) file, let's say b.mxd.
Now i open arccatalog and ...
2
votes
1answer
758 views
Android offline app to visualize GeoTIFF maps (or any well-known raster format)
I like to go to mountain, and got lots of GeoTIFF maps, which I can convert to other formats with GlobalMapper (JPG+JGW, ECW, ...).
However, I haven't found an Android app to:
- show these raster ...
3
votes
2answers
395 views
programmatically create and publish geotiff layer in geoserver
We need to automatize process of creating datastore and publishing geotiff layer. Also, before publishing we need to change Declared SRS and to save Native Bounding Box to our database.
Geotiff file ...
3
votes
2answers
93 views
Why is Geoserver downsampling my geotiff?
I created a KML file from a geotiff using Geoserver, but the image looks really pixelated in Google Earth. The image is a geotiff and is only around 7MB. Any reason why it might look so pixelated?
2
votes
1answer
164 views
Crop collar from chart
I need advice on how to complete the following task:
I have aeronautical charts covering parts of the US
(example: http://aeronav.faa.gov/content/aeronav/sectional_files/Albuquerque_89.zip - Each ...
10
votes
2answers
250 views
How to reproject raster from 0 360 to -180 180 with cutting 180 meridian
I have a geotiff raster image that has a coordinate system with longtitudes from 0 to 360.
The horizontal center of the image is 180 longtitude. See image below:
I want to transform it to EPSG:4326 ...
2
votes
0answers
114 views
Overlay Shapefile onto Geotiff
I have a Geotiff map and I want to overlay a Shapefile onto it. Ideally I want to specify a 'nice' style for the polygons e.g. have them opaque (for now all polygons should be the same).
I want to ...
1
vote
1answer
241 views
Georeferenced Tiffs displaying in the wrong location & scale when updating ArcGIS 10
I'm working on a project which involves georeferencing a large number of .tiff files to digitize data from them. All the tiffs which have already be georeferenced where done with ArcMap 10.0 without ...
6
votes
1answer
297 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 ...
2
votes
0answers
198 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
votes
2answers
324 views
Geoserver - ImagePyramid plugin problem
I have a huge Geotiff file , and i've tiled it ..
I've created the tiles using gdal_retile.py tool , but i'm getting the following error from Geoserver while linking the layer with the tiles folder : ...
1
vote
2answers
189 views
Convert HMR to GeoTiff
I've got gigs of .hmr raster files from our customer and I need them to be converted into GeoTiffs or something else which can be nicely imported into Geoserver system. I wonder if I can do it with ...
1
vote
1answer
388 views
Serving 4 band GeoTIFF in GeoServer 2.1.4
I have an uncompressed GeoTIFF file (figure 1) with the following band information:
Image Structure Metadata:
INTERLEAVE=PIXEL
Band 1 Block=5000x1 Type=Byte, ColorInterp=Red
Band 2 Block=5000x1 ...
2
votes
0answers
163 views
create geotiff from shapefiles
I need to colorized geometries from shapefiles and convert them to raster image (geotiff).
I tried to use geotools's VectorToRasterProcess and ImageWorker
("d:\gis\tmp\32 27 25 w4.shp" is path to my ...
0
votes
1answer
124 views
Setting projection to a geotiff file when it's shown as Unknown
I have a geotiff file that has no CRS in the metadata but I know that the CRS of the raster is WGS 84 UTM 22 N.
How can I modify the geotiff file to have the CRS WGS 84 UTM 22 N in the metadata.
...
2
votes
2answers
235 views
Different NoData values when processing a GeoTIFF in QGIS and bringing it to ArcGIS
I'm trying to process a GeoTIFF in QGIS 1.8 using SEXTANTE and GRASS via the r.neighbors tool. I'd like to process the image, then be able to utlize it in ArcGIS.
The problem I'm running into is ...
4
votes
1answer
276 views
ImagePyramid tuning in Geoserver
I am running several WMS layers from a GeoServer (2.2 RC3 at the moment of writing). All layers are ImagePyramids with sizes ranging from 100GB to 1TB in size.
I have read the GeoServer on Steroids ...
6
votes
2answers
143 views
How to use GDAL to convert Int16 data to Byte
I have some data with Int16 bands in HDF format.
I want to convert this to Byte bands in GeoTIFF format.
The data range for the Int16 is -2000 to 12000, so I want to map this to the Byte range 0 to ...
1
vote
1answer
239 views
gdalwarp results in incorrect extent
I have a GeoTIFF that's 172800x86400 on the MODIS "250 meter" Sinusoidal grid (more like 231.7, but who's counting?). (You can find its metadata at the bottom of this post.) This bounty of resolution ...
4
votes
1answer
211 views
What are the benefits of RGBI Geotiffs vs ECW format?
I just received a batch of imagery for my project area in 2 formats: Geotiff (RGBI) and ECW. The imagery looks very similar and covers the same footprint, but the file size difference is massive: ...
0
votes
0answers
135 views
Rasterlite - black tiles [closed]
Im importing some geotiff rgb rasters into spatialite via rasterlite_load utility. During the load i get a warning that some of the tiles are not geotiffs (but they are, they all load normaly if ...
2
votes
5answers
622 views
How do I turn a GeoTIFF file into a bmp file?
I need to get GeoTIFF files transformed into bmp files so that I can display them as apart of some software that I am working on. Unfortunately, I am a total newbie with GIS and really don't know much ...
5
votes
3answers
6k views
Steps to creating a GeoTIFF
First off, I'd like to mention that I'm pretty new to working with GIS, so please forgive my inexperience.
My situation is as follows: I'm tasked with georectifying a set of imagery and importing ...
5
votes
2answers
2k views
GeoTIFF file creation from .Tiff file
im not sure if this question is suitable for GIS
I'm working on a software that displays a map, like this
![enter image description here][1]
i also have some export functions which exports the the ...
1
vote
2answers
1k views
Georeferencing an image in C# with GDAL
I want to upload a jpeg or some raster image into a C# form and then on entering the latitude and longitudes I need to be able to create an GEOTIFF file of the same image. How can this be done in ...
1
vote
1answer
209 views
Help needed for georeferencing in QGIS
I am new to Quantum GIS. I just happened to browse to a tutorial on georeferencing in QGIS and I found it easy and interesting.
I also calibrated the map and saved the points as per WSG84 standard. ...
1
vote
2answers
103 views
Display Rectangular Data Grid
I'd like a Linux program which displays ASCII ArcGrid files (NxM rectangular ASCII data grids which may have either integer or floating point values). There is no practical upper or lower limit to ...
5
votes
1answer
423 views
Why do TIF loaded into PostGIS lose their colormap?
I have successfully loaded a TIF image (using raster2pgsql) into my PostGIS 2.0.1 database. I can load the raster image into QGIS and it displays in the correct space. However, it has lost all colour ...
2
votes
2answers
386 views
Reading MODIS L1B into ENVI
I am working with MODIS Terra (and simultaneous ASTER) Level 1B swath data using ENVI and am having one of these "this should be easy" questions about the most direct way to get to geo-referenced ...
2
votes
1answer
321 views
GeoTiff size - what to do?
I have a whole series of GeoTiff tiles, each one about 250mb in size, in total just over 90gb. I want to be able to display these as a wms into QGIS to 20+ GIS users and in the end make them into a ...
3
votes
1answer
228 views
How to handle a geotiff map together with points with openlayers (or other libraries)?
I create a lot of printed maps using various applications (ArcGIS, QGIS, Microstation, Illustrator etc). Sometimes I'd like to turn this map somewhat interactive on the web.
What I'm looking for is a ...
2
votes
1answer
775 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) ...
14
votes
6answers
3k views
Should GDAL be set to produce GeoTIFF files with compression? Which algorithm should be used?
I have a folder of GIS data that consists mainly of GeoTIFF files. The whole set weighs in at about 1.2 GB. I noticed that if I pack the contents into a tarball, it smashes down to about 82 MB. I ...
2
votes
2answers
287 views
How to convert Landsat L1G raster to Geotiff?
Is it possible to convert a Landsat L1G raster file like L71001070_07020000728_B30.L1G to Geotiff using free software?
2
votes
1answer
67 views
Need software to read geo information from tif
I am trying to verify the lat/lon and ECEF values that I have determined for a very specific and unusual situation (a geotif file), and it would be great if I could find some software to read them.
...
2
votes
1answer
210 views
Geo Tiffs overlap in QGIS
I am trying to stitch together several GEO Tiffs that come in pairs (north -south) but when i load them into QGIS they display completely overlapped. That is the north south pair match up ok (display ...
3
votes
1answer
701 views
How to get GDAL to create statistics for GTiff in Python
I regularly create my own GeoTIFF rasters with GDAL in Python, e.g.:
from osgeo import gdal
from numpy import random
data = random.uniform(0, 10, (300, 200))
driver = gdal.GetDriverByName('GTiff')
ds ...
