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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3answers
207 views

Geoserver “Layer Groups” with Raster Layer

I need to group multiple geotiff raster layers together. Each layer works well on its own when being previewed through the "Layer preview" utility. However, when I group the layers together through ...
0
votes
0answers
88 views

Geoserver raster as wms has blue-ish appearance when black background is visible

I have a problem with a blue-ish overlay color over my WMS layer that only is visible if there is part of the image background (nodata area) in the requested map extent. The original image is a ...
0
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0answers
182 views

GDAL in C++: Resize Image (gdal_warp?)

I would like to resize a geotiff using GDAL in C++. Searching online, I bumped into another question here that explains it is possible through gdal_warp and gdal_translate via terminal. But there ...
1
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1answer
76 views

MapServer & Raster picking / Elevation data

I have some GeoTIFFs with elevation data, displayed in OpenLayers or Leaflet via WMS from MapServer. I need to be able to request (from the client) the elevation at some point clicked by the user. ...
0
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0answers
32 views

View multiple NEATLINES of a geoPDF using GDAL

I've created a PDF that has two PDF Viewports, the main map and an overview map. When running gdalinfo it only finds a single NEATLINE. Is there a way to list all NEATLINES in the document using ...
-1
votes
2answers
122 views

How to open GeoTIFF header

I have some GeoTiff files. I want read their header and save it to .txt I've tried several programs, but none of them work properly. If u know some GeoTiff reader let me know ;)
0
votes
1answer
100 views

GDAL in C++: Wrong Raster Values After Cropping geoTiff Dataset

I'm trying to transfer a subset (box (0,0)-(300,300)) of a panchromatic geotiff to a new file. Although the georeference and the set are transferring correctly, the raster values seem off. Loading ...
0
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0answers
57 views

Trimming downloaded Worldclim Climate Projection Layers to specific area in QGIS for use in Maxent Program?

I am very new to QGIS and modeling. I have downloaded many Future Climate prediction files(GeoTiff) from Worldclim. I only need to use a small portion of the globe, but they do not allow for the ...
1
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0answers
65 views

Using .tif on data layer for Google Maps?

i have three files that i should use for a GIS application: map.aux, map.tfw, map.tif The .tif file is a "layer" that highlights some building over a map. How can i bring this information (and ...
3
votes
2answers
156 views

Which Image format is recommended/ best for geoserver raster wms services?

I have very high resolution image of vast area(true color RGB bands). I am planning to to reduce the image size by reducing it to 16 bits (or less). which image format is best for performance point of ...
2
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0answers
53 views

QGIS poor Geotiff quality after importing?

I keep getting poor image quality after exporting (high DPI) from the map composer in QGIS. The original Geotiff is 254 DPI and has great image quality (smooth lines). After opening in QGIS and ...
1
vote
2answers
247 views

GDAL SetGeoTransform does not work as expected

No transformation is visible after using SetGeoTransform to the dataset opened from a *.tiff file: ds = gdal.Open(filename, GA_ReadOnly) # open the raster data set geo_transform = ...
0
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0answers
70 views

Generating raster (spec. GeoTiff) out of mesh file (.ply)?

I created mesh file using OpenDroneMap program out of 100 geotaged jpgs, and i would like to know for a way for generating raster image out of this .ply file? Has anyone done this? Mashlab has the ...
1
vote
1answer
68 views

migrating geotiffs to iGIS tiles

I recently shifted maps and waypoints from Delorme Xmap to QGIS on my Mac and wish to use iPhone/iGIS as the GPS (together with the Garmin GLO receiver). Everything is good in QGIS, but I need USGS ...
1
vote
1answer
143 views

Read shapefile as a numpy array

Is it possible to read a shapefile with ogr as a numpy array, in order to use it as a mask to filter out a geotiff image? What I would like to obtain is a numpy array from the layer below: from ...
1
vote
0answers
703 views

Reading, modifying and writing a geotiff with GDAL in python

I'm trying the learn the ropes of Remote Sensing image processing using Python GDAL bindings and numpy. As a first attempt, I'm reading a Landsat8 geotiff file, do a simple manipulation and write the ...
1
vote
1answer
34 views

error when merging geotiffs

I have a problem with a actually simple task: I want to merge 12 Geotiffs in QGIS. With Raster => Miscellaneous => Merge there is always an error saying: xyz.tif does not exist in the file system, ...
1
vote
0answers
86 views

Performance Scanning Big Rasters in GeoTIFF Format? [closed]

I am scanning large rasters in GeoTIFF format. The size is around 30GB and there is only one band. I'm using geotools to do that. I did some experiments on scanning the whole raster to find the best ...
1
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0answers
68 views

Exporting a thematic raster in byte format to use with GUIDOS toolbox

I am trying to export some thematic rasters to use them with GUIDOS Toolbox (specifically the MSPA segmentation functions) - http://forest.jrc.ec.europa.eu/download/software/guidos/ GUIDOS requires ...
0
votes
0answers
81 views

Define band specific metadata of a GeoTIFF file using GDAL (gdalwarp/gdal_translate)

Does anybody know how to change or set the "Description" option/tag (band specific metadata) of a GeoTIFF file using GDAL? To specify what I mean, this is an example of gdalinfo return from a GeoTIFF ...
1
vote
1answer
70 views

Add Color To GTiff output raster band

I am using GDAL in Python to create a tiff raster of data that is originally from a shapefile. I have an auxillary data channel, which I would like to use to color the pixels of the tif. I have made ...
1
vote
0answers
32 views

Importing GeoTiff or IMG formats with Ironpython

McNeel Rhino 5 application is using IronPython 2.7, and this is the application to which I would like to import either a GeoTiff or .img formats. I googled a bit a found a couple of python modules, ...
1
vote
2answers
133 views

Convert jpg with exif header into geotiff

I have bunch of jpgs with exif headers like this: Size is 4000, 3000 Coordinate System is `' Metadata: EXIF_ApertureValue=(3.625) EXIF_ColorSpace=1 EXIF_ComponentsConfiguration=0x1 0x2 0x3 ...
0
votes
1answer
82 views

Reverse gdal_rasterize (-i option) does not work

When I use: gdal_rasterize -b 1 -b 2 -b 3 -burn 255 -burn 255 -burn 255 polygon.shp tiff.tiff I get a new tiff with a white hole in it with the shape of the polygon shp. However, when I use the ...
1
vote
1answer
31 views

LAStools blast2dem: error writing data for field “StripOffsets”

I was processing an overage file to generate DTM and DSM using blast2dem. The generated DTM file can be viewed using ArcMap and ENVI. However, ArcMap and ENVI cannot open the generated DSM file. I ...
1
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0answers
47 views

gdal2tiles issues with color scale between tiles

Background: I have a series of about 40 small GeoTIFFs that need to be merged together to make one large image. Each GeoTIFF has 2000 bands. I've tried using both gdal_merge and gdal_retile to pull ...
0
votes
1answer
105 views

GeoTiff image not aligned after using gdal_translate and gdalwarp

I don't see what I am doing wrong. The coordinate system was assigned to the GeoTiff using the following gdal_translate command: (Usage: gdal_translate -of GTiff -a_srs EPSG#### -a_ullr upper left ...
0
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0answers
22 views

Conversion of extracted GeoTiff.tif info to decimal degree format

I need an easy way to extract the geo location data from a geotiff.tif file in decimal degree format. All the programs suggested are too complicated for me. One program was in two parts of 860 MB and ...
0
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0answers
53 views

GeoServer GeoTIFF rendering skips data between Greenwich and the Dateline

I've got a custom web application using OpenLayers3 running GeoServer (2.7.1) as a back-end. I've added a world-wide temperature GeoTIFF as a test, and it renders in a strange way. If I move the ...
2
votes
0answers
78 views

Convert TIFF to GeoTIFF

I have a TIFF created from a pdf using GIMP2. The co-ordinate pairs for the extents are shown in the TIFF. I need to convert this TIFF to a GeoTiff and ultimately to a shpfile. The CRS is known.
1
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0answers
42 views

Create compressed GeoTiff in Java

I've got a typical two-dimensional array in Java with values which represent a grid. Rows, columns, coordinate system (latlon), origin and cell size are known. I am able to export this data as ASCII ...
0
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1answer
40 views

Get geotiff Transform from point correspondences

I am trying to find a way to get the Geo Transformation (NW corner position, pixel size and rotation) for a given tiff image. I have a tiff which I know is using some coordinate reference system (an ...
0
votes
1answer
52 views

Getting wrong values trying to convert to a latitude longitude system

By using listgeo I got the following information: PCS = 31468 (name unknown) If I am not mistaken this translates to DHDN / 3-degree Gauss-Kruger zone 4, and by using this site I got a proj4 ...
3
votes
1answer
68 views

write python ndarray to raster

I think I understood the steps to write an array to a raster file using python. however it doesn't work in my case and I don't know why. I have an array that I want to write to a Geotiff with Swiss ...
1
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0answers
55 views

Understanding a typical output from a geotiff file

A typical output from geotiflib mey look like this: Geotiff_Information: Version: 1 Key_Revision: 1.0 Tagged_Information: ModelTiepointTag (2,3): 0 0 ...
1
vote
1answer
136 views

Copy GeoTIFF metadata to TIFF using ArcPy

I have conducted some image manipulation on GeoTIFFs in a program and the resulting TIFFs now have no spatial information attached. Their x,y origins are (0,0). Since these processed images are of ...
0
votes
1answer
50 views

Raster extents incorrect for vrt when changing projection with -a_srs flag

I want to generate a .vrt in epsg:3857 from a series of raster tiles in epsg:4326, and am trying to do so in one step using gdalbuildvrt with the -a_srs flag: gdalbuildvrt -a_srs epsg:3857 ...
2
votes
1answer
142 views

How to define a projection for a file with geo points?

I have a HDF file that I want to convert to tif or ENVI file. I know that the +Proj of the original file is: "+proj=cea +lon_0=0 +lat_ts=30 +ellps=WGS84 +units=m" so: gdal_translate -of "ENVI" ...
3
votes
1answer
102 views

PC software that will plot a geotagged picture location on a Geotiff

Is there any PC software (hopefully Open Source) that will plot a geotagged picture's location (drop a pin with a label of some sort) on a custom geotiff file? It would be nice if it directly loaded ...
3
votes
1answer
107 views

QGIS GRASS raster to GeoTiff

First of all: Windows 8.1 QGIS 2.8.2 Wien I used the GRASS module r.watershed to delineate watersheds and get flows with a DEM. It worked fine so everything is OK so far. But now what I want to do ...
2
votes
1answer
244 views

How to create GTiff from Tiff using GDAL

I have a tiff image and I would like to georeference it, and so create a Geotiff. To do that, I have to use GDAL. I use in particular, the executable store in the QGIS file (gdalwarp.exe, ...
0
votes
0answers
39 views

Jpeg image overlay embedded in KMZ to GeoTIFF

Is there a tool to convert a Jpeg image embedded into a KMZ file to a GeoTIFF file, using KMZ info for position, scale and rotation?
2
votes
1answer
175 views

gdal2tiles georeferenced image as overlay not working

Ive been looking for a solution to my problem for some time now. I'm using gdal2tiles-leaflet to create tiles for my Leaflet application. The images i use are GeoTiff's with the embedded projection ...
1
vote
0answers
60 views

Opening shapefile and Tiff layer Coordinates do not match up

I am new to using QGIS and am having a major problem. I have the UK Ordnance Survey (OS) 1:25000 raster layer in Tiff format open. When I open a shapefile or mapinfo vector layer on top of it the ...
4
votes
1answer
284 views

qgis 2.10.1. mac - geotiff singleband pseudocolor [duplicate]

i've installed mac version from kyngchaos including all required packages ... ... and just noticed the following: while windows version behaves like expected when trying to render an ordinary tif via ...
1
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0answers
30 views

Pixel value of Geotiff image on Qgis different pixel value of input image

I have a binary image. I convert this image to GeoTiff image by python funntion: def exportGeotiff(filename, raster, row, col, xResolution, minLon, minLat, yResolution,geoReference): format = ...
0
votes
1answer
33 views

Measuring different values in latlong Geotiff whether OTFR enabled or not

I'm using a GeoTiff file in QGis that has no projection per-se (it uses lat-long coordinates) and WGS84 datum. Further it has an x pixel size of 2.40475e-07 degrees and a y pixel size of ...
1
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0answers
56 views

Help rendering shapefiles (.shp) to TIF with labels

I'm running into some problems here. I've basically copied the script below with minor tweaks from a few other posts here on stackexchange. When I run my code and all I get for output is a TIF that's ...
0
votes
1answer
73 views

16Bit Tif In Geoserver

-->Is there any way to publish 16 bit raster image in geoserver 2.7.2? Then i tried to publish 16 bit raster image,but i got different color variations in different zoom levels,If any solutions for ...
2
votes
0answers
19 views

Vanilla PHP and GeoTIFF: How to know byte address and byte length of a “strip” in an LZW-compressed GeoTiff?

I have a situation where I need to read cell values from a GeoTiff using vanilla PHP, and while I've been successful reading values from an uncompressed TIF (~800MB), I'm having difficulty reading ...