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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1answer
17 views

Convert MODIS HDF file in sinusoidal projection into GeoTiff with

I'm looking for a way to convert MODIS LST data from HDF to Tiff format, and reproject from sinusoidal to WGS84 - all using python GDAL. An example file is here (I only care about band 0) : ...
0
votes
1answer
257 views

Geoserver WMS renders geotiff as a small image in Openlayers

My Geoserver 2.2.4 stopped working suddenly so I made a backup of Dir folder and installed Geoserver 2.3.5 and replaced the workspace folder with the new one. Now all shapefiles are rendering ...
2
votes
1answer
65 views

AutoCAD Map 3D GeoTIFF in the wrong place

I recently was looking at a way of using GeoTIFF in AutoCAD 2015. I was looking at a way of specifying coordinate system using one of UTM projections. I didn't have much luck with that and I decided ...
2
votes
1answer
25 views

Extract rasterlayer from extent class

I used extract() function to get remote sensing image cell value.The same code to process tif file produce error message. Code as follows: r1 <- raster("2000_2605_1.1_km_monthly_NDVI.tif") ...
1
vote
1answer
231 views

How can I clip multiple geotiff tiles with a shapefile without greatly increasing their size?

I'm using gdalwarp to clip a number of geotiffs (tiles of a larger map) to a polygon described by a shapefile (which is about the size of the overall map, i.e. much larger than individual tiles) ...
2
votes
1answer
46 views

QGIS, how to export GeoTiff in lat long not map units?

I'm trying to export a map as raster (geo tiff with word file) from print composer. The word file is always coming with Map units because I'm using Google Satellite from OpenLayer web plugin. I tried ...
0
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0answers
8 views

Resampling using gdalwarp gives me no data

I have an image with the following information. Driver: GTiff/GeoTIFF Files:test_DEM.tiff Size is 91, 73 Coordinate System is: GEOGCS["WGS 84", DATUM["WGS_1984", ...
2
votes
1answer
242 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
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0answers
22 views

Resampling geotiff images? [closed]

I am trying to resample an image (geotiff) to a 5 m x 5m resolution using python. I am new to gdal and not sure how to go about it. Using gdal.ReprojectImage is what I should be doing, It would be ...
1
vote
1answer
34 views

Getting latitude-longitudes from tiff and world file

I have downloaded Version 4 DMSP-OLS from here, which is a bunch of tiff files with their world files. I would now like to crop an area specified by bottom left and top right lat-long points. I ...
3
votes
1answer
106 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 ...
0
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0answers
19 views

How can I create a NetCDF from precipitation rasters data in R? [duplicate]

I have a lot of precipitation raster data (more 5000 files GeoTIF), created by kriging interpolation. All grid cells have the same size and the maps the same spacial extent I want merge all data in ...
2
votes
3answers
67 views

Merging tif images into a single GeoTiff with QGIS

For this example, I have 3 tif images that are tiles. They fit together to form a single image. I load the 3 images into QGIS and it merges them directly and I see my completed image. The problem ...
2
votes
1answer
41 views

Reverse colour-ramped DEM to its original elevation value?

A have a GeoTIFF LIDAR image which display DEM in its color-ramp version (color relief) from blue (minimum value) to red (maximum value) and green (in between). I don't have the original elevation ...
1
vote
1answer
33 views

Python module pyGTiff aligning data

I have been working with pyGTiff for a while and it works great. However my gis data does not have the same projection and extent. I saw that in the repository a a jupyter notebook with a test ...
2
votes
1answer
31 views

Discrepancy between GTiff and MEM drivers

I was expecting that both the drivers would behave the same way, except that 'MEM' will not create the file. However, in this test 'MEM' pass, but 'GTiff' does not. Can someone explain why? class ...
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
21 views

Trying to import Tiff files created in arc9.3 into 10.2, not working

I'm trying to use the scanned maps available here: http://www.env.gov.bc.ca/esd/distdata/ecosystems/TEI_Scanned_Maps/B01/B01-4700/ I save all 6 files in a folder, open ArcGIS 10.2 and try to add to ...
0
votes
1answer
241 views

gdal_contour transparent contour as png

I started using the GDAL Library in a c++ project. It is a great library, but I am a bit stuck right now with different aspects of it. What is the best way to use gdal_contour in my c++ programm? ...
3
votes
3answers
3k views

using Python to calculate NDVI, output as a Geotiff

I need a script that can calculate NDVI from two separate input Geotiff files, then output the results as a Geotiff. I wrote following script, most of which is borrowed from various on-line sources ...
2
votes
0answers
32 views

ArcGIS 10.3.1 cannot display TIFF image manipulated with GIMP (graphic software)

I used the graphic software program GIMP to manipulate a geoTIFF image (GIMP cannot handle geoTIFFs, so after manipulating the image in GIMP the geospatial information is lost). When I now try to ...
0
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0answers
29 views

Create a grid over shapefile then save each section into GeoTIFF

I have a massive shapefile with 200,000+ building polygons. I've loaded these up in ArcGIS. I need to convert this into a usable raster (GeoTIFF) that can then be tiled using MapTiler. My current ...
2
votes
1answer
46 views

Tiff: How to calculate Tiff Tag ModelPixelScaleTag (field 33550) and Field 34735

I have to manage a service which can return images in tiff format. This service is requesting another WCS Service from which it receives the Image File without geo-referenced informations. So i need ...
0
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0answers
21 views

Problems to export raster files in R software

I'm working with R software with raster and netcdf4 packages adn netcdf files to get information from SST. I got the information and now I'd like to convert in ascii or geotiff files to work in ArcMap ...
1
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1answer
65 views

Changing background color to transparent in GeoServer?

How to set the background color to transparent. I want use style which describe in *.sld file for all my photo with tif format. How to do that?
0
votes
1answer
18 views

GeoServer WMS transformation causing problems!

I am displaying the population density as wms layer with geoserver 2.8 in tomcat8. As you can see in the screenshot, there are some strange borders where are no values in the tiff file. Can anyone ...
-4
votes
0answers
14 views

How set transparent background in WorldImage format? [duplicate]

It's not duplicate, in previous question I use only GeoTiff format, without .tfw file. I have WorldImage file (.tif and .tfw files). When I apply ColorMap in .sld file, nothing happens. I need set ...
0
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0answers
13 views

Facing “unknown sensor error” in using Alos Polsar 2 (Geotiff format) at ENVI 5.3

For calculation of Radar Backscatter for Alos 2 (2015) whit Geotiff format via ENVI 5.3, I faced following error: "The target file does not appear to be a valid sensor type" The question is; how ...
0
votes
1answer
191 views

How to overlay a TMS with a GeoTiff for querying in OpenLayers?

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 ...
0
votes
1answer
63 views

How do I convert a DEM GeoTIFF to Contour Shapefile

I have a digital elevation model as a GeoTIFF and I'm looking to generate a Shapefile of contours with 5m bands on the command line. Is this possible? Ideally using GDAL and Python.
0
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0answers
18 views

Read GeoTiff from memory in GDAL

Is it possible with the GDAL library to read an image (e.g. GeoTiff) from a memory stream, like stdin instead of a defined location on the local disk? It would be useful to read data in streaming ...
0
votes
1answer
13 views

Export tif map from specified shp area in scale

Does anybody know how to export tif map from shp area. Actually I have a rectangle area which I want to export in tif
1
vote
1answer
34 views

Longitude latitude for each pixel of Tiff Image [duplicate]

I have a project to do and at the moment i have 2 tif images and their geografic data(longitude latitude) of their upper left pixel.What i want to do is get the common geografic place of the 2 ...
0
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0answers
9 views

Get projection/datum from GeoTIFF in C/C++

I am trying to create a GeoTiff importer for an application I'm developing, but for now I am kind of lost. I am using libgeotiff in C/C++, and for now, what I have done is projection points using ...
2
votes
2answers
386 views

How to reproject Geotiff correctly?

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 ...
0
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0answers
16 views

QGIS asc to GeoTIFF error: “File short, can't read line 3687”

I tried to convert an asc file to GeoTIFF and I had the following error: ERROR 3: File short, can't read line 3687. ERROR 1: (..:)/mdt.asc, band 1: IReadBlock failed at X offset 0, Y offset 3687 ...
0
votes
1answer
281 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?
1
vote
1answer
40 views

Spatially matching Landsat images in ArcMap?

I'm trying to look at the desiccation of a lake over a number of years using images from different Landsats. However when I import the different years into arcmap they are completely unsynchronized. I ...
1
vote
1answer
43 views

How to read in a NetCDF file in IDL and save out to a GTIFF, single routine?

Does anyone have a simple script to read in and then save out a NetCDF file to a tiff file? The files I have lat / long / and a precipitation variable, that's it. I'd like to convert a list of them in ...
1
vote
1answer
53 views

Raster calculator fails with large raster in QGIS

I'm working in QGIS 2.14.1 with a DEM ranging from 200 feet to 1600 feet elevation called "dem_3m_Zft1b" (geotiff, 16822 X 33349 cells, No-data =-9999) If I enter "dem_3m_Zft1b" > 0 in the ...
1
vote
0answers
30 views

How do you get NoData to show up transparent in a .TIF file? [closed]

I am creating a handful of raster images using ArcGIS 10. I've been exporting the rasters as .TIF files. From what I've read, even though you can set the background to No Color, this actually doesn't ...
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 ...
0
votes
1answer
38 views

How can I write private tag GDAL_NODATA to a TIFF using libtiff?

In an earlier post I asked how to retrieve this tag from TIFF using python and libtiff. Eventually I found the answer and I reported on the solution last week. I also realised that in order to write a ...
2
votes
2answers
6k views

How to display a geotiff-image with OpenLayers at the “right place”?

I'm just starting with OpenLayers. I have a georeferenced geotiff and the associated world file. Now I want to display this image as an Overlay and google-maps as baselayer with OpenLayers. Would be ...
5
votes
1answer
546 views

BigTIFF support in libraries? [closed]

What is the level of support for BigTIFF in image processing libraries? GDAL supports this functionality so long as you're building against libtiff4(beta), and I would assume most open source C ...
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0answers
32 views

Efficiently iterating through raster calculations with Rasterio or GDAL

I've got a very slow and round-about way to currently do this, but I struggle with the general concept of using windows in raster calculations and how to apply an affine or geotransformation between ...
2
votes
2answers
36 views

QGIS Merge rasters without projection edges

I have been trying with no luck to merge forest canopy rasters available through the NLCD (e.g. Grids 102 and 105) using QGIS in Mac (as well as R, and SAGA in Windows). The GeoTIFF grids import and ...
2
votes
1answer
61 views

Converting GeoTiff to UTM in QGIS is slow?

I am trying to convert a Geotiff from WGS84 to UTM17. In QGIS, there seems to be a super easy way to do this: First, I input my tiff by clicking add raster layer. This works successfully, as I can ...
1
vote
4answers
608 views

How to crop Geotiff image in C++ (GDAL or other possibilities)?

I am developing a code to process a geotiff image. But firsly I need to crop a geotiff image preserving its metadata (projection...) in C++. My idea it's to provide the corners and the geotiff image ...
1
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0answers
9 views

Georeferencing image from google maps with gdal_translate? [duplicate]

I am trying to georeference an image using gdal_translate in a command prompt. Currently I have the following gdal_translate.exe -of GTiff -a_nodata 0 --config GDAL_DATA "Config location" -a_ullr ...