Aligning geographic data to a known coordinate system so it can be viewed, queried, and analyzed with other geographic data.

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1answer
221 views

How to link 2 different images in eCognition

I'd like to link 2 different images in eCognition to find the same pixels on both images. The images have same projection (geog lat/long). How can I do this? Thank you so much
13
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3answers
9k views

Is it possible to georeference an existing, un-georeferenced pdf?

I was wondering if there was anyway to georeference a pdf directly without first converting it to an image. I have access to ArcGIS 10.1 but haven't been able to find any information that would ...
0
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0answers
30 views

How to add geospatial info to an existing PDF?

I work with a small non-profit mountain bike trail advocacy organizationand as a result have created a number of PDF-based maps. These are all Mercator projection, built off of OpenStreetMap data, and ...
1
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0answers
44 views

Georeferenced PDF is checked but doesn't georeference [closed]

I have checked the georeference option for my exported PDF but when I import it into Avenza PDF Maps it says it is not georeferenced. I have had this work for other maps but a new map I opened will ...
2
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2answers
539 views

Georeferencing PDF maps for use in Avenza PDF maps

I have PDF maps like the one below (normally PDF, but JPEG for this) that I would like to be able to georeference to use with Avenza PDF maps. I don't have GIS training, but have access to Arcmap ...
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2answers
425 views

Geocoding raster map in ArcGIS Desktop? [closed]

How I do raster map geocoding? I have raster image and I am using ArcGIS 9.3.1 so how its' possible?
0
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1answer
36 views

Georeferencing raster in QGIS

Georeferenced raster in the QGIS not filmed the final display by raster footprints. Everything is in EPSG 32633. Path in GdalToools: Red is original footprint for image. I need rotate image ...
0
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0answers
19 views

Unable to select anything when Georeferencing shapefile in ArcGIS for Desktop? [duplicate]

I have a shapefile I converted from PDF > CAD > shp and I want to georeference this using Georeferencing toolbar. However it will not let me select anything. I've tried turning editing on, but ...
9
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1answer
10k views

Georeferencing shapefile using ArcGIS for Desktop?

I have a shapefile with some polygons that I would like to superimpose to a raster image, but unfortunately they don't match perfectly due to the reference system the shp has been created with. So, I ...
2
votes
1answer
36 views

Is it possible to georeference raster stored in Postgis?

I'm looking to store a huge raster aerial image (400 Gb) into Postgis, but before storing it i like to know how i could georeference or rectify raster stored in postgis ? is there any Qgis plugins ...
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0answers
10 views

Georeferencing of OMI Swath product in ArcGIS

I am using Aura OMI UVB Level 2 Data Product-OMUVB (V003) to monitor solar irradiance over Pakistan. This is a swath product with He5 format so i have used panoply to open it. I exported the ...
10
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3answers
3k views

How can I transform a georeferenced JPG to a georeferenced TIF?

I have an georeferenced JPG file and a JGW file containing the coordinates. How can I transform it to a georeferenced TIF file and a TFW file? I have tried to save the JPG file as an TIF file in ...
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0answers
31 views

Georeference a computed tomography image without changing its proportions in QGIS

I have several images obtained from a Micro computed tomography (mCT). The scanned elements are human teeth. In a particular mCT slice, I have introduced a cartesian plot with its X and Y axis. The ...
6
votes
1answer
533 views

Determining Natural Origin for a GeoTIFF file (Lambert Conic)

I am trying to display an existing GeoTIFF file (from the FAA WAC set) in an application that requires the GeoTIFF NaturalOriginLongitude tag (FalconView 5.1.1). There are some older files in that set ...
2
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2answers
241 views

Batch rectifying 200+ historic aerial images?

I have acquired historic aerial imagery for the surrounding towns, circa 1954, and the images have no georeference. I am looking for software to help me batch-rectify the 200+ images. I have current ...
0
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0answers
21 views

How to Georeference / manipulate 3D raster into a 2D

i have given a 3D raster and ask to reference it . i have a 2D outline of what the top layer of the 3d raster is expressing . i have added an example of the 3D here , ignore the depth information and ...
6
votes
1answer
588 views

ISIS to GDAL to QGIS: Georeferencing Mars Images

I'm trying to use QGIS to view some images from the Mars Reconnaissance Orbiter Context Camera. I use ISIS3 to download the images and convert them to mapped .cub files, following the instructions ...
0
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0answers
32 views

Rototranslation + scale of pdf and dxf with USER CRS in QGIS? [duplicate]

i have a map PDF or DXF to georeferenced with only rototranslation + scaling. I use EPSG: 32632, also the map that I need to import is a survey (maxmimal dimension 5000 m x 5000 m), but his coordinate ...
1
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1answer
29 views

Why can't I paste coordinates in “Enter Map Coordinates”?

Using QGIS 2.6.1-Brighton, I am attempting to use the Georeferencer. My data is from NGS datasheets. I copied and pasted the data into a text document. In the "Enter Map Coordinates" dialogue, when I ...
27
votes
7answers
2k views

Work flow for georeferencing imagery using open source tools?

Does anyone have a recommendation for a work flow for georeferencing high resolution aerial photography using open source tools? Comparison of user friendliness and robustness between Quantum GIS ...
0
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0answers
23 views

How to properly import georeferenced .dxf hatches/polygons into QGIS?

I have a georeferenced AutoCAD-drawing (some district borders I vectorized with Illustrator from a raster image), saved as a 2004 ASCII .dxf-file. When I import the file in QGIS ("Add Vector Layer"), ...
5
votes
1answer
816 views

Calculating distance in WGS84 (MySQL and Geoserver)

Here is the environment in which I work: An application using geo-referenced data Database MySQL 5.5, storing georeferenced points A Geoserver server, connected to the MySQL database Here is the ...
1
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1answer
29 views

Satellite image vertically squeezed after being georeferenced

I am using ArcGIS for Desktop 10.1. I am trying to georeference a Google Earth image in Christchurch area, New Zealand. I am using some CGPs I have got from this image (their Google Earth ...
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0answers
26 views

Linear units do not correspond after georeferencing map?

In ArcGIS 10.1, I georeferenced an archaeological settlement plan. The georeferecing was made identifying Ground Control Points on the online aerial imagery provided by ArcGIS itself. 4 GCP were used ...
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0answers
13 views

georeferencing envi data with lat/lon in arcmap

I need to georeference gridded ENVI files or rather add georeferencing to the metadata. I do have the lat/lon of the corner points of the data and the spatial resolution. Any suggestions of how to put ...
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0answers
26 views

Georeference Error Messsage QGIS

I'm trying to georeference a 1922 map of Africa by Bartholomew. (found here http://www.davidrumsey.com/maps5268.html). I have it in QGIS and currently the Raster has the default CRS (WGS 84). I have ...
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0answers
6 views

Georeferencing of ROI in ENVI?

I had an image which is not georeferenced for my study area. I have processed the data and made roi files in envi 4.7. Now I have georeferenced the image data. I have a doubt that whether the roi ...
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0answers
22 views

ArcGIS Online no spatial reference

My intention is to georeference an image so as to create a Swipe Map in AGOL. First, I add my control points, rectify, then analyze before attempting to share and finally publish in AGOL. The other ...
1
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1answer
121 views

What causes wrong placement of JPGs in QGIS 2.8.1?

I have the same issue explained in this post: How to keep georeferencing from ArcGIS when importing raster into QGIS? But my problem is with .jpg files. I have georeferenced with ArcGIS 10.2.2 many ...
2
votes
1answer
408 views

How can I get my georeferenced TIF file to rectify?

I have added a TIF file (size 1,433 KB) in ArcGIS 10.2.2 and defined numerous georeferencing points, with the aim of creating a raster file for conversion to polygons. However, on clicking the ...
1
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1answer
51 views

Georeferencing/Spatial Adjusting of vector river dataset to DEM in ArcGIS

I have a huge dataset of vector river data (over 10'000 rivers) which are saved in a shapefile and were initially derived from a topographic map. However when comparing this vector to DEM data (SRTM ...
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1answer
35 views

Climatic data sets

I did a bulk download of climatic data from http://neo.sci.gsfc.nasa.gov/ in png format so that I will extract my ROI(Africa). After the download I loaded them in Arcgis and discovered they are not ...
0
votes
1answer
182 views

Overlay single, non georeferenced image in Leaflet?

I'm wondering whether it would be possible to somehow overlay a 3rd party, changing non-georeferenced image such as: If the image was static, I'd use mapwarper.net. But it's not. So is there a way ...
2
votes
1answer
40 views

Georeferencing in R Based on the Four Corners

I have a raster image (photograph) that was taken from a helicopter. Along with that raster image, the system also tells me the positions of the four corners of the image in a different file. I have ...
1
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1answer
64 views

Georeferencing Old Mining Maps (Floetzkarte des Oberschlesische) in QGIS?

I am trying to georeference some old mining maps (Floetzkarte des Oberschlesische) in QGIS 2.9. I have already tried to do that by marking known points on present satelite photos, but the results were ...
3
votes
1answer
69 views

Misalignment of EPSG:4326 and EPSG:3399 coordinates

I'm having a QGIS project in local coordinates (Gauss-Kruger, EPSG:3399) with some layers in the same reference system. On top of that, I want to display point coordinates, which I digitized using ...
0
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0answers
19 views

How can I create a warp mesh to match two close but not identical datasets together?

I have two datasets for Mars. One of them is the Mars Viking color mosaic, the other the Mars Global Surveyor black and white imagery. When I overlay the two datasets, it becomes obvious that the ...
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0answers
30 views

Wetterzentrale maps georeferencing - coordinate system?

I'm trying to georeference two maps from wetterzentrale in ArcGIS. In what coordinate system are those maps created?
0
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0answers
59 views

Georeferencing raster imagery using UTM eastings and northings

I have a scanned cadastral map in raster form and UTM co-ordinates in northings and eastings for that area. Is there any way that I can directly georeference my map using E/N values without converting ...
0
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1answer
76 views

trying to build world file for images based off extent rectangle generated from centroid in python

I have centroids for map images which I would like to georeference quickly and rougly via python script, using arcpy. I know the dimensions of the images, the dpi, scale, rotation and the coordinate ...
2
votes
0answers
80 views

Merge several images and Export a GeoTiff File

I have approx 500 geo-referenced images that I was hoping to merge into 1 geo-referenced file, and export it as a single geotiff file. To be used in AutoCAD Civil 3D I know I am pushing my luck and ...
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2answers
5k views

How to add georeferenced TIFF to AutoCAD 2010

I have a ~6GB georeferenced (from ArcGIS) .TIFF satellite image that a colleague wishes to add to AutoCAD 2010. He wants it as a base layer for digitising features from. I have searched forums but ...
1
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1answer
34 views

Is it possible to overlay ungeoreferenced raster images in the QGIS Desktop Browser?

Afternoon ladies and gentleman, I work for a company that produces Mining Investigation reports for property in the South West of England and I have spent the last 12 months digitising abandoned ...
0
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0answers
24 views

Georeferencer does not open when clicked

Since a week my raster georeferencer is not opening when I click it. I have made sure it is checked in the plugins collection and have tried re-installing the newest version of QGIS, yet also in this ...
2
votes
2answers
64 views

How to fix “The selected file already seems to have a world file!” when image hasn't been georeferenced before?

I am georeferencing historical aerials from 1988 in QGIS 2.2.0. Sometimes it works perfectly and other times after I have places my points and start the georeferencer a window pops up saying: "The ...
0
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0answers
36 views

QGIS Georefencer Failed to compute GCP transform

I am a new QGIS user. I am trying to georeference a scanned paper map. After uploading map to the georeferencing utility and assigning 12 ground control points to map and assigning a datum I get a ...
0
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1answer
56 views

Re-projecting ground control points of similar images (Georeferencing in QGIS)

I have several maps to digitize. The base maps were Canadian NTS map sheets, all for more or less the same region. The useful information has been traced on top with handwritten markings. The maps ...
0
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1answer
24 views

Georeferencing in ArcGIS - Zero-Order (Shift)

Zero-Order (shift) transformation is meant for rasters that only require shift, which as i understand it means moving or translating the image. Two questions: Does it mean that two or more control ...
4
votes
1answer
128 views

Building a Mosaic Dataset with rasters that are not georeferenced. Whats the workflow?

I have 68 aerial jpegs that I would like to use in a Mosaic Dataset. They have not been georeferenced. My question is in regards to whether I should georeference them and then rectify and save them in ...
0
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1answer
57 views

How to fit polylines to their true position?

I have a satellite image and CAD data of the same area. The polylines from CAD to not overlay correctly on the satellite image. I want to fix polylines to their true coordinates but I could not fix ...