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

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88 views

Georeference a polyygon within a pdf file [duplicate]

I have this pdf file that contains a specific borough of my city, Montreal, with a polygon inside it. Link to pdf file: PDF FILE The jpeg image once exported from the pdf file is the following I ...
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0answers
28 views

How to best import a US Map Schematic?

I would like to use the following wiki US Map schematic as a background to my map work. (http://en.wikipedia.org/wiki/File:Blank_US_Map.svg) It is a .svg file, and GeoReferencer is unable to import ...
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0answers
109 views

QGIS, GDAL Georeferencer missing?

I've just installed QGIS 2.8 on the new Fedora 22 (64) that came out some days ago. Awkwardly, I can't find the GDAL Georeferencer that, to my knowledge, is supposed to come with every installation. ...
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1answer
113 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 ...
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21 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 ...
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2answers
110 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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31 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 ...
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41 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 ...
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1answer
50 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 ...
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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 ...
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198 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"), ...
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1answer
57 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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185 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 ...
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41 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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76 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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1answer
600 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 ...
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1answer
225 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
54 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 ...
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1answer
65 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 ...
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1answer
102 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
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1answer
133 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 ...
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0answers
758 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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129 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 ...
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1answer
57 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 ...
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57 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?
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48 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 ...
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337 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 ...
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1answer
140 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 ...
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1answer
168 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 ...
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1answer
106 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 ...
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1answer
190 views

QGIS georeferencer: Thin Plate Spline (TPS) residual

1) Is anyone able to explain in simple manner what does mean error exactly mean? I use metric values, so suppose 3.64109 is expression of meters and "e" is mathematical constant: ...
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207 views

Georeferencing/rectifying multiple images of different shapes and sizes at once using ArcGIS for Desktop?

A couple of weeks ago I georeferenced a set of 7 scanned maps (.tiffs). Although the scans all have different shapes and sizes, the outline of all the maps on there is the same, and after having ...
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1answer
67 views

How to georeference two pictures that do not have crs in QGIS

I would like to take aerial pictures of my research plots an caculate NDVI and NDWI. How do I do that in QGIS?
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1answer
112 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 ...
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1answer
192 views

Georeferencing an old map in QGIS using Thin Plate Spline

![old map georeferenced badly][1] [1]: I georeferenced this old map using Thin Plate Spline, and Cubic Spline as transformation settings. However, the result was quite bad. Do I have to add points ...
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97 views

How to georeference a raster when target data occupies one-quarter of the raster

I am trying to figure out if it is possible to georeference a raster image in ArcMap when the target data occupies only one-quarter of the raster and the rest of the image is legend or diagrams etc., ...
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0answers
414 views

Changing the background color of the Georeferencer in QGIS

Is there a way to change the background color of the Georeferencer in QGIS? What I mean is, can I somewhere change the color that does not belong to the image that is about to be georeferenced? Let’s ...
2
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1answer
262 views

Georeference multiple raster layers of same area at once or identically

I have many raster layers that I need to georeference to my existing vector layers. Data types vary between 8 bit unsigned, 32 bit float, and bit 64 float. All have the exact same extent, cell size, ...
2
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1answer
133 views

Georeferencing uneven/irregularly gridded rasters

I'm trying to take a set of NetCDFs and turn them into georeferenced datasets using GDAL. However, the only Geospatial data is a set of 2-D lat/lon arrays. The projection type is not lat/lon. THe ...
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1answer
48 views

QGIS and arcmap compatibility in image georeferencing

I have georeferenced an image in QGIS but when I imported it to arcmap 10.0 it saying "In consistent extent". Any one know how to solve it?
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1answer
466 views

Georeferencing a CAD file and converting to SHP in ArcGIS without distance distortion

i have a land parcels dwg file in an unknown co-ordinate system and i want to georeference the file in ArcMAp and convert it to shapefile but the problem is that whenever i georef the cad drawings ...
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0answers
77 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 ...
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1answer
79 views

Write single lon/lat coordinates in TIFF with GDAL

Is there a way to write the georeferentiation value by value in a tiff file using GDAL?
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0answers
25 views

Loading ordnance survey raster ArcMap [duplicate]

I have connected to the correct folder on ArcCatalog. Only the .tif files show on my ArcCatalog tree, but the .tlw files are in that folder too. How do I create a raster layer with this data? I ...
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1answer
91 views

libLAS georeference las file and update header

I am just starting to use libLAS and I had a small issue. I have next code to generate a las file with georeferenced points: std::ofstream ofs; liblas::Header header; liblas::SpatialReference srs; ...
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1answer
209 views

How to georeference TIFFs with coordinates from txt file using ArcGIS for Desktop?

I have a folder with TIFFs and an accompanying .txt file containing coordinates in this format (sample): # IMGE LN ID Time Easting Northing Height Phi ...
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0answers
29 views

Can a raster be projected twice?

I have to georeference a raster (tiff) twice. That is due to the limitation of control points I have. The first georeferencing works perfectly. The problem comes when I georeference the raster for the ...
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1answer
40 views

Why does raster's cell size change due to rotate and georeference using Georeference toolbar?

I just found out that the cell size of raster change after I rotate or georeference it with Georeference. Is there any explanation why it works that way?
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2answers
91 views

translate GRIB product on bounding box

I'm in troubles with the projection of a GRIB product. I have a Cloud mask image and I want georeferencing it with GDAL. I need to pass through gdal_translate before, since i need to fix the bounding ...
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0answers
90 views

Geotransformation, from sat coordinates to Earth coordiantes

I'm using this code: https://github.com/mcidasv/mcidasv/blob/master/ucar/unidata/geoloc/projection/sat/GEOSTransform.java to retrieve longitude and latitude in Earth system from column, line ...