Tagged Questions

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

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0
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1answer
159 views

How to get the pixels from a geotiff file in gdal python for a given bbox?

I have a GeoTIFF file in WSG 84 Projection reference (it's a GeoTIFF of SRTM). I can use python & gdal to read the whole lot of data into an array (with ReadAsArray()), but I want to only have a ...
0
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0answers
129 views

Unable to view GeoTiff in GeoServer layer preview

I've loaded a 265 MB world GeoTIFF image (transformed with gdal_translate command) in GeoServer. Everything seems to be ok, but layer preview is blank, although clicking in the map canvas the three ...
2
votes
2answers
1k views

How to convert a .tif with .tfw to a GeoTiff?

I have a tif image file, and a .tfw world file (created from OSM data with Mapertive). How can I (using linux command line) convert that to a GeoTIFF file? (i.e. I want to have one file, not 2). I'm ...
3
votes
1answer
94 views

Re-registering a GEOTIFF in qgis

I'm working on some images taken from a UAV over the course of a year. They are OSGB 1936 projection as is the whole project. Annoyingly they don't quite line up so I am trying to a few of the images ...
1
vote
4answers
603 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 ...
4
votes
4answers
378 views

How to georeference Tiffs after manipulation in Photoshop?

I am exporting very high-res (7000x7000px) hillshades from ArcMap as tiff files. I am then doing some work in photoshop to the images. How can I easily georeference these tiffs after working on them ...
1
vote
1answer
210 views

Export map to geotiff?

I try to export my map (layout or data view doesn't really matter) to a georeferenced tiff-file (geotiff). However, this presumably easy task is proving rather difficult to accomplish. I first tried ...
0
votes
1answer
178 views

How to load Georeferenced Scanned Maps in R

I have a geo-referenced scanned Map in GeoTiff format, which I would like to load into R. My intention is to plot some vector data (points and polygons) over this map using maptools package. Is ...
2
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3answers
135 views

Geotiff reprojection

I am new for GIS programming. I try to change geotiff coordinate system from epsg 32635 to epsg 4326. I used the following gdal command: gdalwarp -rc -s_srs epsg:32635 -t_srs epsg:4326 -dstnodata 0 ...
1
vote
1answer
57 views

How to create a value-by-alpha map in Java?

Someone has post similar question as mine before : similar question But my objective is slightly different. I have a shape file (.shp) (a country map) I would like to write a piece of java code to ...
0
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0answers
152 views

How to make a geo reference image using GeoTool based on a matrix mapped data?

My ultimate objective is to make a geo reference image and make it as a raster layer to overlay the image above my openlayers map. I have a set of geo coordinate data, and each coordinate is assigned ...
1
vote
1answer
101 views

Geoserver GeoTiff Raster Layer Turns Shade Pink (Not Pink Error Tiles) [duplicate]

I have been given some geotiff files, sample of one is here I published these files as an Image Mosaic Layer in Geoserver. All is fine except that all the displayed geotifs, at all zoom levels are a ...
0
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0answers
42 views

No visual after loading geotiff in Qgis Dufour

I installed the latest version of QGis 2.0 for mapmaking. Before I used the 1.8 version and I had no problems in loading Geotiffs. With the latest version, it loads the same files but it doesn't show ...
0
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0answers
52 views

How do I use VB .net to export the ActiveView to geotiff using Arcobjects?

I want to program in vb.net and Arcobject the exporting of a map to geotiff. What I have done so far is export the map to TIFF but I am not getting Geotiff. When we do it manually we check the write ...
2
votes
1answer
62 views

How to remove/disable last row/column of SRTM GeoTIFF in QGIS?

I've started using QGIS yesterday, and one of my main reasons to use it is to apply colormapped SRTM v4 over Google aerial imagery. Everything is working fine, except that SRTM v4 elevation tiles ...
2
votes
3answers
93 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 ...
0
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0answers
257 views

Is it possible to create MBtiles from a TIF?

I have a geo-referenced tif (it's really big around 1GB) and I'd like to convert it to mbtiles so I can serve them and view the map. What is the best tool to do this conversion?
1
vote
1answer
124 views

How do I find out the resolution in (centimeters per pixel) of a TIF?

I tried using GDAL and got: # gdalinfo nicholas_map_2.tif Driver: GTiff/GeoTIFF Files: nicholas_map_2.tif nicholas_map_2.tfw Size is 28799, 27875 Coordinate System is: GEOGCS["WGS 84", ...
1
vote
2answers
67 views

How can i combine the colours of one raster with values from another

I have two Tiffs with data from the same area. One is in colour and when I use the identify shows a 'color index' number (eg. 141), then Color(a,r,g,b)(eg. 255,90,255,0). The other tiff contains a ...
1
vote
1answer
140 views

How to add a DEM Band to an existing 3-band TIFF file using QGIS?

I'm quite new in the GIS business and I do not figure out how to do the following thing: I have two geoTIFF Files, one is a 3+1 bands file (RGB+alpha), the second one is a DEM geoTIFF file containing ...
0
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0answers
118 views

Geoserver raster (in geotiff format) becomes black when grouped by other layers in vector format?

Good day, I am a newbie in field of GIS systems. Currently I have an issue when grouping layers, raster and vector. I would like to use satellite image in geotiff format as a base layer. It works ...
0
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0answers
207 views

Upload geotiff file using GeoServer Rest API

I can upload shapefile to GeoServer via REST api using cURL. I used this code: curl -v -u admin:123 -XPUT -H "Content-type: application/zip" --data-binary `@F:\temporary\shp.zip` ...
0
votes
2answers
77 views

Two r.mapcalc calculations return a much bigger raster cell size than the input raster

I tried the following calculations with a GeoTiff sample, having a cell size of 25m: Calculating the togographic exposure (TOPEX) and estimating the mean topographic curvature Both, the resulting ...
1
vote
1answer
482 views

Convert multiple GeoTIFF to one KMZ

I am using GDAL to convert GeoTIFF to KMZ. I am using the following command: gdal_translate.exe -of KMLSUPEROVERLAY *.tif out.kmz If I have one TIF file in the folder, it works ok. If I have more ...
1
vote
2answers
625 views

Cropping Geotiff with gdalwarp

I downloaded a geotiff from the recently published 25m-DEM of the European Union (see: http://courses.neteler.org/eu-dem-new-digital-surface-model-at-25m/). One tile has about 5GB so I would like to ...
1
vote
1answer
2k views

How to convert a Gtiff to ASCII-Grid using QGIS gdal_translate?

Gdal_translate implemented in QGIS is often recommended for converting to Ascii-Grid. My problem is that every output which is generated from my geotiff-raster layer is binary instead of plain-text in ...
6
votes
1answer
728 views

Using Tilestache and Leaflet To Display Rasters In Native Projection

I have a collection of old Idaho state highway maps in GeoTiff format. The projection that these maps have been georeferenced in is a transverse mercator projection, called IDTM83 (Idaho Transverse ...
1
vote
2answers
250 views

Latitude - Longitude bounds from GeoTIFF info

here's the content of a GSFC-generated GOES TIFF image: GOES 13 Imager frame 66 at UTC 12:45:53.520 day 312 of 2013 Vis pixels : 9061, 22912 lines : 2845, 10152 Vis Lon : 999999,-23.1566 ...
0
votes
1answer
113 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 ...
1
vote
1answer
64 views

while reading a tiff file filenotfoundexception

I am unable to create File object while instantiate a tiff file using TestData.file function it is giving file not found exception . But the tif file is exist on the same path file exists ...
1
vote
0answers
105 views

Touch up tool for rasters?

I was wondering if it were at all possible to manipulate/massage rasters (eg Geotiff) using Qgis plugins or Grass?? By manipulate, I mean manually smooth off interpolation artefacts, blended surface ...
3
votes
1answer
289 views

gdal_translate- why jpg compressed tif is 2 times greater than jpg file?

Using the following two commands yields completely different size files: gdal_translate test.tif -of GTiff -co "COMPRESS=JPEG" -co "JPEG_QUALITY=100" output.tif and gdal_translate test.tif -of JPEG ...
1
vote
1answer
531 views

GeoReference tiff image into the Google map?

I want to Geo-reference a tiff image contain a Map for a specific region, I need to add this region(image) and Geo-reference it on the Google map, SO I can see on the map for the region I select the ...
1
vote
1answer
150 views

SetColorInterpretation() for a GeoTiff using GDAL not working

I have a single band image which I would like to copy to a 3 bands of a new image and set the ColorInterpretation to red, green and blue respectively. I have tried two approaches, one using the GTiff ...
1
vote
0answers
42 views

GeoTIFF LZMA implementation?

Is GeoTIFF with lzma compression commonly implemented? I have geotifcp.exe from qgis but doesn't seems implement lzma. Is there available sources for libgeotiff with lzma patch?
2
votes
0answers
36 views

ArcPy: Distortion towards edges when exporting to TIFF [duplicate]

I am writing a function to zoom to selection (based on a criteria) and Exporting it to TIFF. The problem I am getting is that the when I load the exported TIFF image in Map, I am seeing distortion ...
0
votes
0answers
167 views

How can I force ArcGIS to generate “color pallets” for display of GeoTiffs in the FAIMS Mobile App?

The FAIMS Mobile App 1 displays a black pane instead of a well rendered geotiff when I try to import files directly from ArcGIS 10.1 instead of processing them through gdal and grass. Running ...
2
votes
0answers
68 views

Hwo 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 ...
0
votes
0answers
297 views

ArcGIS / ArcMap problem with tiff file and projection

I have a raster in ArcMap . The projection is WGS 1984 UTM 22. When I look the details of the projection I can see that the "scale factor" is 0.9996 When I save this raster in a in tif file and the ...
1
vote
1answer
219 views

Save as Image geotiff from OpenLayers plugin [closed]

Now i'm working with the new version of Qgis 2.0 but I have a problem with the OpenLayers plugin. I take a geotiff screenshot of an area in EPSG:3857 and then I load the image.I'd check out the CRS of ...
2
votes
1answer
62 views

What does the predictor switch do while compressing geoTIFFs in GDAL

I am merging several geoTIFFs into one and am using the -co COMPRESS=DEFLATE create option for geoTIFFs. An additional switch is the predictor switch. What does it do? The GDAL website is not clear ...
1
vote
1answer
198 views

Creating geotiff in arcgis

I've added a shapefile and a raster image to ArcGIS, the raster image in geotiff format spreading over some of the features. Now, I want to create a buffer (of radius 1 mile) around the features and ...
1
vote
0answers
77 views

Contours generated from merged TIFs huge - much bigger than individually

I'm generating contours from four 5x5 degree SRTM DEMs in southeastern Australia. I'm using gdalwarp to reproject the DEM, then gdal_contour to generate contours. First, I generated contours for each ...
2
votes
1answer
181 views

Map formats supported by QGIS

May i know whether QGIS supports the following map formats? (1) S-57 Electronic Navigation Charts (Naval Maps) (2) Army/IAF Maps in DGN (3) DTEDO0, DTEDO1 and DTEDO2 (4) GeoTIFF (5) DTED
2
votes
1answer
152 views

How applications like Global Mapper, ArcMap and ArcScene support showing high resolution geotiff images?

Considering my question in Game Developement: How to create textures of big images in opengl (bigger than the MAX_TEXTURE_SIZE) it seems that, there's no way to show an image bigger than the ...
0
votes
1answer
80 views

Issue with `-sds` naming convention in gdal_translate

I'm converting ~100 .hdf files to .tiff using gdal and getting some unfortunate naming conventions when using -sds for %A in ("...\*.hdf") do gdal_translate -of GTiff -sds "%A" "%A.tiff" However, it ...
6
votes
3answers
339 views

Precision vs Resolution in elevation data

Update: A good example of my confusion: on the Wikipedia page for "digital terrain model" one can find the following statement about a satellite in the "See Also" section: TanDEM-X: generation of ...
0
votes
1answer
142 views

Saving geotiff in R - why resolution on x and y is not the same?

I have some data and i want to save it as a geotiff in R. This is not a problem but even if in my command line i set the resolution on x as 1 and on y as 1 after the geotiff is generated the ...
0
votes
1answer
127 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 ...
1
vote
2answers
255 views

Convert .tiff data to bitmap just when rendering and at runtime by visualC++ code

I need to convert a .tiff image to a bitmap one without saving the bitmap. I know that I should use GDAL_translate but because I'm new, this function's interface is a little complicated for me. Could ...