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

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I want to register points on a pdf and export to a geotiff

I have a map that is a .pdf file. Using ArcGIS 10.1, I want to register 4 points and save the file out as a geotiff file to be imported into another drawing program. Could you please give me ...
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1answer
53 views

Assign world file to many tiff obtained using a grid/reticulate [closed]

I've many .tiff exported on the base of a grid/reticulate, and now I need to make them georeferenced. There is an automatic method that allow this using the coordinates of the vertexes provided from ...
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1answer
146 views

create a geotiff datastore in geoserver

im able to create a data store in geoserver but when i try to access it in the geoserver admin console i get this error : can't load chosen data, verify that the loader module is installed (sorry ...
3
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1answer
698 views

Geotools shapefile and geotiff displaying problem in JMapPane

I'm trying to get a JMapPane to show up in a JPanel, but without success. Below is the JPanel instance containing the map. I am importing a geotiff and a shapefile layered in that order. Not only does ...
3
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0answers
311 views

Compression in GeoTiff files with GDAL

I have an output from 3th party program in tif format where gdalinfo gives the following information: Driver: GTiff/GeoTIFF Files: J:\ascend\Lufthavne - ImgRAW\S°nderborg\ortho\sonderborg_ortho_gsd13-...
2
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0answers
79 views

Getting a raster extent excluding nodata area [duplicate]

I have a GeoTiff raster in which half of its area is nodata. The problem is that the raster extent includes the nodata area. Is there a way with GDal to recalculate the extent of the raster excluding ...
2
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1answer
147 views

gdaldem output file size explodes

I want to create a color-relief and a hillshade with gdaldem and use them with mapnik. System: Ubuntu 14.04 LTS Server, gdal-bin 1.10. Here are my steps: Download all SRTM tiles from ...
4
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1answer
293 views

Convert downloaded LiDAR info to DEM in GRASS

I have downloaded LiDAR information as a .asc file and a .tif file, and even though I have tried multiple methods to convert them to a dem I am having no luck. Grass GIS says there is an invalid ...
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0answers
13 views

Trying to build website which shows different satellite images? [duplicate]

Basically i want to build website which shows different satellites images of cities and as i hover my mouse the lat/long should change. Sorry for such a basic question, as i am new to javascript, if ...
1
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1answer
338 views

use mapnik to read from multiple geotiffs

I set up Mapnik to custom-render a GeoTiff file. python and xml files to do so were taken from a github mapnik example, and the successful image output is a rainbow-esque .png from the original .tif. ...
2
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2answers
213 views

convert DTM txt file in geoTiff file

I have a DTM file, txt format, I would like to convert it into GeoTIFF, how can I do with the software grass? thanks ncols 1329 nrows 1152 xllcorner 1693884 yllcorner 5080341 ...
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2answers
2k views

Looking for an open-source Java based GeoTIFF library

I have written many programs for reading and writing various types of spatial data in the past but I must admit that the GeoTIFF format has often gotten the better of me. It's such a flexible format ...
2
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2answers
345 views

Aggregating satellite night light data in R

I am working in R and having some difficulties with extracting values from a raster layer. What I am trying to do is aggregate satellite night light data from pixel to polygons. However, when I ...
2
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1answer
712 views

Opening GeoTIFF (georeferenced in ArcGIS for Desktop) in QGIS?

I tried to open a georeferenced geotiff created in ArcGIS for Desktop in QGIS. I could open them but they are not in the right spots. These raster datasets contains .aux .rrd .tfwx .tif.aux.xml ....
2
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0answers
151 views

geoserver and openlayers select rectangle pixel values

I'm running a geoserver (2.5.x) with 1 raster file (GeoTIFF) as a layer. From my application I can access a single pixel value when clicked (through WMS), but what I'm really interested in is to get a ...
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1answer
2k views

Convert PNG to GeoTiff using GDAL

I have a map portion PNG and its associated PRJ file. I want to convert the PNG to a GeoTIFF. I know how to convert a PNG to a GeoTiff if the bounding box is available: gdal_translate -of Gtiff -...
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0answers
415 views

numeric issue while loading floating point-valued GeoTIFF into PostGIS

I am trying to import a floating point GeoTIFF image into PostGIS (2.1), using the following command: raster2pgsql -s 4326 -I -M -F -C tif_dir/*.tif public.map | psql -U postgres -h localhost -d ...
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2answers
256 views

Is there a command line tool for converting projection in .prj and GeoTiff to EPSG codes?

Is there a command line tool to convert a shapefile projection in the .prj file into corresponding EPSG code? I know that there is website http://prj2epsg.org/search for doing this online, but I ...
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1answer
2k views

Is there an image editor that can edit GeoTIFFs without affecting their embedded georeferencing?

I know there are a couple workarounds for this but I was hoping a direct solution exists. I am looking for an image editor (like Photoshop but hopefully free software) which can be used to edit ...
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252 views

Find correct SRID

I'm learning PostGIS raster, and importing GeoTiff with raster2pgsql. This command line tool states: -s <srid> Set the raster's SRID. Defaults to 0. If SRID not provided or is 0, raster'...
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2answers
1k views

How can I import tif file in GRASS GIS

While importing TIFF image to GRASS GIS, I get an error: Location PROJ_INFO is: name: Lambert Conformal Conic proj: lcc datum: nad83 a: 6378137.0 es: 0.006694380022900787 lat_1: 36.16666666666666 ...
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2answers
438 views

Batch Envi read and write to tif

Is there a way to batch read in ENVI standard image files (they have associated headers) and export them to a GeoTiff ? I have a folder of ~500 images
2
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2answers
123 views

Can GDAL fill elevation below a certain value?

I have several GeoTIFFs that I'm working with to create contours using gdal_contour. One of them crashes the utility. gdalinfo tells me that the computed min values for band 1 and 2 are -...
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1answer
267 views

What kind of geo information is stored in a GeoTIFF

When given a geotiff, what kind of information is normally stored in it as part of the geo information? Is it the position of the 4 corners? Is it the position of each pixel? Is it a mesh of geo ...
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178 views

How do you create either a geotiff or a .tfw in QGIS using python?

Probably I just don't understand the API documentation, I don't use object oriented programming to its full capability. I do see this has to be done from a composer object in order to automatically ...
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1answer
243 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) using:...
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1answer
208 views

Exporting whole map from ArcMap to GeoTIFF not just current view? [duplicate]

I like to export my whole map which is composed of both raster and vector data to geotiff (or other raster format) in ArcMap 10.1. If I select file->export, only the current view is exported. I want ...
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1answer
156 views

Changing Spatial Reference System (SRS) of existing GeoTiff file?

How do I change the Spatial Reference System (SRS) of an existing GeoTiff file? Or more fully, what can I use to convert the meta data for the file to a different SRS?
2
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1answer
49 views

Speeding up processing of geotiff background for QGIS?

Originally I had an image as a mrsid file. That was very convenient as it was smaller and fast to pan etc. The down side was that every time I upgraded QGIS I had to go through the ritual of ...
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3answers
701 views

Read GeoTIFF file with php or javascript

Sorry, I am newbie with GeoTIFF files. I want to create a project that a person can upload a GeoTIFF file and the web application saves the lat/long of the picture into the database, the server side ...
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1answer
225 views

Why does the commands listgeo and gdalinfo don't show the same Proj4 Strings?

As the title says, why doesn't the unix tools listgeo and gdalinfo show the same proj4 strings? Check this file: https://github.com/geotrellis/geotrellis/blob/master/raster-test/data/econic.tif?raw=...
2
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1answer
218 views

OS X Preview unable to open GeoTiff due to error 259?

I'm currently working on a GeoTiff writer which writes GeoTiffs to the file system. I can write the GeoTiff, dump it with tiffdump, listgeo and gdalinfo and my own GeoTiff reader can read it with no ...
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1answer
96 views

Aerial Imagery Showing in Different Colour while pan/zoom geoserver

I have img/tif files of a small aerial imagery. I published it under ImageMosaic plugin (GDAL plugin installed), but when I pan or zoom the map in OpenLayer preview I am getting different colour for ...
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0answers
161 views

UTFGrid from raster source

Is it possible to make utfgrids from a raster source (e.g. GeoTIFF)? I am trying to get utfgrids from a .tif with mapnik.xml and TileStache but it seems not to be working. As a workaround I am ...
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77 views

IMG and geoTIFF raster extraction

everyone. I'm very new to GIS technologies. Somehow, i need to extract raster(RGB data) data from geoTIFF and IMG files. What is the fastest way doing it?
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2answers
538 views

Exporting GeoTIffs from Data Driven Pages for use on a Tablet

I'm a beginner at ArcGIS 10.2 and have encountered a small problem that I couldn't solve by googling. I'm trying to export a set of raster and vector data for use on a tablet. The aim is to find LiDAR ...
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1answer
393 views

How to extract information from a tiff file

I have a tiff file that I loaded into ArcGIS. It has roads, rivers and other features including the 600m contour for the region. I want to create a file that only shows the 600m contour. How can I do ...
8
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2answers
188 views

How can I use data from PDF map?

I have a map over Sweden with plenty of data represented as circles of various sizes. The map is saved as PDF from Illustrator, fully editable. I wonder if there is any way I could get these circles ...
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0answers
79 views

Changing the color ramp in arcgis javascript

Using the arcgis javascript api, I am displaying geotiffs. What I want to do is change the color ramp in these images. I've looked through the api and I have not seen anything. Does anyone know where ...
6
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0answers
449 views

Save fails on raster object created from NumpyArrayToRaster [closed]

I am trying to save an ESRI grid built from a numpy array and am getting an error I've never seen before: Unhandled Exception: System.IO.FileNotFoundException: Could not load file or assembly '...
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0answers
228 views

Whats an appropriate map projection for georeferencing aerial photos?

I have some aerial photos that were shot from directly overhead a 5x5 mile property. They were then mosaiced to create a continuous overhead tiff of the entire property. I am now going to ...
5
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0answers
174 views

GeoServer ImageMosaic PostGIS index update

I use GeoServer where I created an ImageMosaic storage following this manual. When I create new datastore, all *.tif files are indexed into DB (PostgreSQL with PostGIS). How can I create new index in ...
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2answers
465 views

How to restore gdalinfo metadata after ImageMagick processing?

I first print out the file info : $gdalinfo crop.origin.tif result: + gdalinfo crop.origin.tif Driver: GTiff/GeoTIFF Files: crop.origin.tif Size is 1920, 1950 Coordinate System is `' Origin = (66....
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1answer
193 views

Java how to create geotiff from points

I have an array of objects where each object has three fields: lat, lon, and category. It is essentially pixels that have been given a land use category. I cannot figure out how to turn this data into ...
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1answer
55 views

How much other information can be learned from this geocoordinate post? [closed]

At 5:30 a.m. CDT there was a post on reddit allegedly from Omegle with geocoordinates of a body of a girl who has been missing 5 months. Here is the imgur link http://i.imgur.com/ppqmbeD.png Here is ...
7
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3answers
733 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
357 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 ?
2
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3answers
1k views

Use GDAL command line to copy projections

I have two images, a georeferenced Tiff and a second Tiff without a reference. The second image is a copy of the first, but it lost its reference. Now, I want to copy the reference from the first Tiff ...
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0answers
166 views

Error when adding WMS layer in OpenLayers from a geoserver

I try to add wms layer from geoserver: var layer = new OpenLayers.Layer.WMS(name, 'http://'+ self.objSettings.ip + ':' + self.objSettings.port + self.objSettings.wms, { srs: 'EPGS:4326', ...
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121 views

analysis of srtm data for gaps

I need to analyse the SRTM DATA (1025 X 1025) of a particular terrain which has gaps or voids. Could anybody suggest a solution to find the percentage of gaps or voids in the SRTM data? I would like ...