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

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76 views

Write stacks of GeoTIFF image to NetCDF by chunk size

I converted GeoTIFF image stacks to NetCDF file with writing data by Index order (layer by layer) (this was a main solution). The problem is, it writes slowly (for 25 images - 1Gb takes 90 seconds). ...
3
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2answers
143 views

Convert area in pixels to acres?

I'm writing some software that allows users to draw polygons over the raster from a geotiff file. I can calculate the area of the polygon in pixels; in fact, this calculation is a byproduct of ...
0
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1answer
55 views

Clip a GeoTIFF with a shapefile

I have a geotiff file that I made in Python. After I created it, I realized it was for all of North America, and I only need the United States. I then got what I assumed was a shapefile of the US ...
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1answer
59 views

Display tiles from a custom GeoTiFF overlayed on googles satellite map using leaflet

I want to overlay tiles generated from a GeoTIFF raster I created on a google satellite map. What I have tried is: Style and output a high quality colored PNG using qgis's map composer Tile this PNG ...
0
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0answers
114 views

Converting GeoTIFF to Idrisi raster (RST) in QGIS?

I need to convert a GeoTIFF file to Idrisi raster (RST) in QGIS. I've tried the following: Raster->Conversion->Translate It does not work and I do not know what to do? Annex GTIFF
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2answers
79 views

Image is black and white after multiply by a constant

Below is my code AbstractGridCoverage2DReader reader = null; try { reader = new GeoTiffReader(new File(path1)); Coverage cov1 = reader.read(null ); double[] v1 = new ...
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2answers
66 views

gdal_translate crashes on huge jp2

I have 44GB jp2 file, I want to translate it to tif file, but once it reaches 10% it crashes. No messages, just stopped. This is my command: gdal_translate.exe -of GTiff --config GDAL_CACHMAX 8000 ...
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2answers
571 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 ...
2
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1answer
46 views

How to create multiple external overviews for a geotiff with gdal?

I want to have mutiple overview files (one for each overview level) for a GeoTiff, so I'm able to edit this files in a raster editor. How can this be done? Unfortunately, gdaladdo -ro creates only ...
7
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3answers
647 views

Filtering out canopies and buildings from DSM to have a bare earth elevation

Can anyone suggest methods in filtering out trees and buildings from a DSM so as to come up with a reliable DEM? What I have is a grid from a LIDAR data (.tif file, with 1m resolution). I was going ...
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2answers
34 views

get first levels of Raster Data

I have a huge raster tif file 40GB, when I use this file in ArcMap it is very slow, I want to use this file only for the first levels, so I don't care about resolution. I don't want a compression I ...
8
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2answers
205 views

Convert a geotiff web-mercator into an azimuthal equidistant projection

I have a geo-referenced tiff file, in the web-mercator projection; and I need it converted to an azimuthal equidistant projection. I'm new to GIS and can't figure out how to do this. I'm open to ...
0
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0answers
33 views

Convert Raster to other format No data problem (ArcGIS)

I am converting a raster tif file into other tif file with JPG compression to reduce the size. The original file have a NO-Data value. after conversion some areas have almost black color (1,5,1), ...
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0answers
46 views

I want to make a small TIFF file from a big TIFF file

I just study on GIS system. When I create the Tiff file, there is no any data in Tiff file I want to make 4 channel TIFF file My code is below: void crop(const char *inputPath, const char ...
1
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1answer
121 views

Leaflet with Geoserver in background to slow for GeoTiff

I am implementing a leaflet web-map application to display several GeoTiffs. The GeoTiffs are each ~300MB and published by Geoserver as WMS. In Leaflet I add them through L.tileLayer.wms. I also ...
1
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1answer
55 views

How to attach latitude and longitude values to pixels values in ArcGIS?

I am trying to create space time cubes of LANDSAT 8 images in ArcGIS. The space time cubes can be created using only feature classes, so I need to convert from TIFF to pixel values with Dates and ...
6
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1answer
946 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.
2
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3answers
77 views

Converting GeoTIFF projection definition to proj4

I'm working with las/laz files which often have GeoTIFF information attached to them. However, for further processing I need proj4 definitions. http://spatialreference.org/ has helped me so far to ...
5
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1answer
1k 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: ...
4
votes
1answer
59 views

PostGIS ST_AsTIFF function raises memory exception?

We have a satellite image loaded into PostGIS. We've calculated a reflectance raster from that image and stored the results as 32BF pixels. There are 54 1000x1000 tiles in the reflectance raster. I ...
3
votes
2answers
170 views

Can GDAL extract a raster window from disk without loading the whole file to memory?

I have a 500MB GeoTIFF with 3 bands on disk. I can easily read a very small, 25x25-pixel subwindow using GDAL like so: gdal_translate -srcwin 600 550 25 25 hugeimage.tif smallwindow.tif Does this ...
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0answers
123 views

GeoTIFF Mosaic/Crop/Translate in QGIS?

I routinely have to mosaic multiple GeoTIFFs together, extract a rectangular area, and save that area as a JPG with a world file. Typically I've been using commercial software for that (Geographic ...
2
votes
1answer
39 views

Matching raster regional extent with vector region in GRASS?

In Grass GIS, I am able to import bathymetry .tif raster data however the region coordinates are not in lat/lon formar and therefore, do not overlay with my vector points which are in lat/lon format. ...
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29 views

Space Efficiency - Geotiff File VS Postgis Raster

Is it more space efficient to store a raster as a geotiff file on disk or directly in Postgis? I ask because I currently have a large number of rasters stored in a Postgis database and I want to ...
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0answers
47 views

What are the geotiff limitations of geotools?

I'm trying to process globcover, which is a .tif file of 374mb. Running the following code: File tiffFile = new File("C:\\Users\\CAA\\Desktop\\test.tif"); GeoTiffReader reader = new ...
3
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1answer
432 views

Convert multiple TIFFs into one?

I have downloaded the Blue Marble dataset, and it consists of eight GeoTIFF images, labeled like this: A1 B1 C1 D1 A2 B2 C2 D2 I would like to use these tiles for GeoServer to be served as WMS. ...
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0answers
16 views

Display PostGIS raster as GeoTIFF layer in QGIS [duplicate]

I want to display a raster loaded into a PostGIS (2.2) enabled PostGRES database (9.3) as a GeoTIFF layer in QGIS. I get the sense that this needs to be done by creating a view in PostGRES and then ...
2
votes
1answer
727 views

Tools for building and exporting high resolution geotiff

I'm having some really nice raster maps in geotiff format. I would like to add some features to these maps as well as then exporting them as tiles for serving the map from a web server. Preferably I ...
0
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2answers
162 views

Converting binary TRMM to GeoTIFF using R?

I´m trying to convert a binary image of TRMM satellite to Geotiff format using this R code: setwd("C:/Users/Hugo/Desktop") trmm.data.file<-"C:/Users/Hugo/Desktop/3B42_daily.2013.04.22.7.bin" ...
2
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3answers
194 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 ...
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0answers
64 views

python - find lat lon in geotiff [closed]

I'm a python newbie. I have a Geotiff file. I need to find coordinates in the Geotiff to find the position of a thermometer within the geotiff (the thermometer has the coordinates ...
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0answers
32 views

Theory notions on exporting bufr data in geotiff format

I'm trying to export some bufr data from polar satellites/sensors like DMSP, ASCAT, ATMS etc in geotiff image. When my program rasterizes satellite data (brigthness temperature for example) by ...
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0answers
34 views

How to create a geospatial PDF using GDAL (in python)? [duplicate]

Can anyone suggest a way to create a geospatial PDF instead of geoTiff using GDAL in python? Aside, I also tried creating first a geoTiff and then used the 'gdal_transform' command to try and create ...
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0answers
83 views

Using the convert_geotiff tool in WRF

Has anybody tried to use the convert geotiff tool to convert .tiff files to geogrid binary data, in order to input data in the mesoscale model WRF? https://github.com/jbeezley/convert_geotiff I am ...
0
votes
1answer
35 views

Reprojecting Tifs [duplicate]

When I import some geotifs into QGIS, they use a reference of 0, 360. My basemaps are all -180, 180. Both the basemaps and geotifs use the same CRS, WGS84. So the geotifs display starting at 0 on the ...
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0answers
8 views

How to CONVERT Modis 09 files from hdf to geotiff [duplicate]

I have about 300 modis 09 files that need to be converted to geotiff format. I initially used the MRTSwath tool, but it would not pick some of the files as input giving the message 'Input Header ...
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4answers
5k 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 ...
0
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2answers
333 views

geotiff conversion to coordinate system with gdal

I would like to get the coordinates X Y Z from a geotiff file. I am using the gdal translate for the conversion. Which output format is the more adequate for containing a 3 numpay array X Y Z ?
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0answers
54 views

Origin line in gdalinfo output

I am a novice when it comes to GIS systems and information. But, I am having a real problem trying to wrap my brain around a specific value that gdalinfo puts out. Here is what gdalinfo shows from my ...
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0answers
29 views

Using GDAL to ID a pair of GeoTiff Coordinates

I've got a large library of images with no spatial reference. When I view the GeoTiff properties, I can view a lat/long under a "GPS" heading, but there's no indication of a coordinate ...
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0answers
39 views

Create a Geotiff with different colors

I have a geotiff raster image. I have estracted the WritableRaster, the envelope, and the gridsampleDimension I need to create a new geotiff using Geotools. GridCoverageFactory gcf = new ...
0
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0answers
79 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 ...
1
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1answer
72 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. ...
1
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1answer
64 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 ...
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2answers
109 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 ;)
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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 ...
0
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1answer
92 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 ...
7
votes
2answers
2k views

Easily find centre point of a raster in ArcMap 10 document?

If I have, say, a rectangular and georeferenced raster file loaded in an ArcMap 10 document (.tiff w/ associated tfw), how do I easily find its centre point and store that point in a points vector ...
0
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0answers
50 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 ...
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0answers
53 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 ...