Questions tagged [georeferencing]

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
4k views

Georeferencing an image with GDAL, based on QGIS Georeferencer Plugin

I would like to georeference an image with GDAL. The image already has a spatial reference set (EPSG:31276). For the georeferencing, I have a list of 4 ground control points (also in EPSG:31276). ...
5
votes
1answer
645 views

How do I georeference a ski map?

I have a map of a mountainous landscape, http://skimap.org/data/989/60/1218033025.jpg. It contains a number of known points, the lat-longs of which can be easily found out using google maps. I wish to ...
4
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3answers
1k views

DXF to georeferenced SHP

I know how to set projection and georeference bounds of scanned TIFF file, by using gdal, but I don't know how to do the same for vector file. For example I georeferenced TIFF file by using this ...
4
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5answers
8k views

How to find coordinates for a lot of locations based on the town or village name?

I have got an Excel spreadsheet with roundabout 15,000 locations, which are only identified by the towns or villages name and the country. I am intending to present these on a world map. Therefore, I ...
4
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1answer
1k views

Extract coordinates for series of georeferenced files in ArcGIS 10?

I have a series of 1900 spatially continuous images that are georeferenced. Each image is a tif file paired with a tfw file. These images are easily open and shown in ArcMap 10. However, I need a way ...
2
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1answer
2k views

How to keep georeferencing from ArcGIS when importing raster into QGIS?

I tried searching for the answer to this, but I didn't see anything, so here it goes: I have previously georeferenced some .png raster images in ArcGIS 10.2.2, and could like to import them into QGIS....
10
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2answers
3k views

Automated georeferencing in ArcGIS Desktop?

I am attempting to fully automate the process of georeferencing a load of .png files - i have xml file containing the co-ordinates - but how can i use them? Does anyone have any advice?
8
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1answer
275 views

Georeference raster in non horizontal plane

We have raster data which is generated from (vertical) walls. We would like to keep this data in a postgis database and have the spatial reference encoded "the most accurate way". Currently, they are ...
8
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2answers
2k views

Georeferencing Photos With No Spatial Reference?

I have about 100-200 field ground shot photos I would like to overlay in ArcGIS 10 that have no spatial information which I need to somehow develop using a photogrammetric formula. The camera was ...
4
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1answer
509 views

How to exactly georeference in QGIS

When I georeference a raster image in QGIS, it's always a bit displaced as in the attached image (the cyan polygon is the template, the red border is the georeferenced image), although I try to set ...
4
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2answers
7k views

Opening images georeferenced (.aux.xml) in ArcMap in QGIS?

We have several ArcMap georeferenced images (raster datasets) that we are attempting to open in QGIS without any luck. These are not inside of a geodatabase and are not Arcinfo Binary Grid format or ...
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2answers
3k views

Is it possible to use more than two control point links when georeferencing CAD files in ArcMap?

I'm trying to georeference CAD to a building footprint in ArcMap 10 (although I've had this same problem in earlier versions). The problem is, it won't let me use more than two control point links, so ...
3
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1answer
3k views

How to align (georeference) images using QGIS?

I'm completely new to all this. I'm trying to make a map of Han dynasty-era China for a mod for a game called Crusader Kings 2. I've downloaded QGIS and Natural Earth 2, but I need this image to ...
2
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2answers
461 views

Problem with reprojecting raster from MGI 6 to WGS

When I reproject a raster from Mgi 6 to WGS 84 using Warp in Quantum gis it makes mistake ( about 380m). Is there any way to avoid this?
2
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1answer
3k views

Georeferencing vector dataset in QGIS?

This question may seem as it was asked before, but I think I just don't use the right terminology. Here's my problem. I'm an archaeology student trying to make an internal map of a prehistoric ...
1
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1answer
2k views

GeoReference tiff image into the Google map?

I want to Geo-reference a tiff image contain a Map for a specific region, I need to add this region(image) and Geo-reference it on the Google map, SO I can see on the map for the region I select the ...
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4answers
8k views

Georeferencing scanned map using ArcMap?

Using ArcMap 9.3, I want to georeference a scanned map of Sudan (Africa) as .jpg file format,coordinate points are marked on scanned map in 4 degree intervals. I am not familiar to georeferencing in ...
5
votes
1answer
374 views

Georeferencing terrestrial LiDAR point cloud?

Recently I took a Faro Focus terrestrial laser scanner to a forested area and collected multiple scans for 12 fixed radius plots. Each plot had 5 GPS points collected within it in hopes to ...
5
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2answers
877 views

Generating a GDAL script through the QGIS Georeferencer

For several months, I have been georeferencing files manually using the Georeferencer plugin within QGIS. I am now attempting to automate this process using GDAL. The Georeferencer provides a "...
5
votes
1answer
328 views

Georeferencing image from Google Maps using gdal_translate?

I am trying to geo-reference 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 -...
5
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0answers
5k views

How to use Scale tool when Georeferencing Raster in ArcMap?

I'm georeferencing a bunch of maps in ArcMap 10.0. The Shift and Rotate commands are pretty easy to use, no problems there. But whenever I use the Scale command, the image completely changes ...
4
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2answers
586 views

Layer not aligning after georeferencing using BC Albers

I'm currently having trouble with the georeferencer... after what appears to be successful georeferencing, the map image layer does not align to the vector data. I'm trying to use BC Albers ...
4
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1answer
171 views

Define Proj4 string for CANGRD dataset

I'm trying to georeference the .grd files provided here http://open.canada.ca/data/en/dataset/3d4b68a5-13bc-48bb-ad10-801128aa6604. The documentation states "The CANGRD grid is in polar stereographic ...
4
votes
1answer
509 views

Historical U.S.G.S. Georeferencing

I have downloaded a historical USGS map that is suppose to be a geoPDF. My understanding is that QGIS cannot directly read geoPDF's. I have not had any luck in converting it to a geoTIF in order to ...
4
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2answers
2k views

georeference and orthorectification of aerial photos

I am trying to process photos taken with a tetracam ADC micro camera placed on a UAV. I have GPS coordinates and mavlink logs providing roll, pitch and yaw of the UAV. I am having a real hard time ...
3
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2answers
11k 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 ...
3
votes
1answer
204 views

Upside down result when I use QGis to georeference 1977 S. African Land Survey Maps of Namibia

I'm trying to georeference some maps of Namibia and am having trouble. The projection stated on the map is the "Gauss Conform Central Meridian 15deg E. Bessel's Spheroid". I've tried using South ...
3
votes
1answer
761 views

Georeference automaticlly in QGIS

In ArcGIS the function called "Auto Registration" and it can automatically georeference raster Is there a way in QGIS to do the same? I seek in the transformation settings and in the setting ...
3
votes
2answers
463 views

Geographically georeference image with limited information

It is possible to semi-accurately georeference an image given only the following information? I'd like to do this programmatically. Center point of terrain, Lat/Lng (WGS84) Pitch of camera FOV ...
3
votes
2answers
728 views

Georeferencing CAD Causing Close Out/Shut Down of ArcMap?

I am currently running ArcGIS 10.2.2 for Desktop. I have no other georeferencing issues regarding TIFFs shapefiles, or otherwise. However, when I introduce a CAD (or DWG) file into the map and ...
3
votes
1answer
978 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 ...
3
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1answer
989 views

How to find the projection of an image?

Instead of georeferencing the image and deforming it, I'm trying to find the projection used by the author of the image. I've got tens of these distribution maps to digitize. The idea is to avoid ...
3
votes
1answer
1k views

Why can't I download the georeferencing plugin for QGIS 1.7.4?

I used the georeferencing plugin with QGIS 1.6 and now that I've upgraded to 1.7.4 I'd like to do it again. But when I search for the georeferencer plugin, it's not available! Am I doing something ...
3
votes
3answers
4k views

Enabling georeferenced TIF file to rectify in ArcGIS for Desktop?

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 “...
2
votes
2answers
276 views

Georeferencing transformation types

I'm trying to georef old maps från 1960 that have clear boundary lines and my employer want an almost exact match with today's boundaries. But it's very hard with 1th, 2th and 3th transformation. ...
2
votes
1answer
902 views

Georeferencing LIDAR scans in CloudCompare?

I've got several LiDAR scans in local coordinates (point cloud with an arbitrary 0,0 as origin) that I would like to reference to real world coordinates. I've tried to Align the scan in CloudCompare ...
2
votes
1answer
500 views

Total station data

I have data from a total station representing the various points on an archaeological site. The data is in an excel spreadsheet, and I have managed to import it into QGIS as a .CSV file. I also have ...
2
votes
1answer
197 views

Using OpenLayers and Georeferencer plugin in QGIS?

Let me start by saying that I am total noobie at QGIS, so this might be obvious to everyone else. I spent hours yesterday trying to georeference a map. I needed to georeference it against vegetation ...
2
votes
1answer
134 views

Correct Coordinate Referencing System for QGis Georeferencing of 1977 S. African Land Survey Maps

I'm trying to georeference some maps of Namibia and am having trouble. The projection stated on the map is the "Gauss Conform Central Meridian 15deg E. Bessel's Spheroid". I've tried using South ...
2
votes
1answer
571 views

Problem with georeferencer in Qgis 2 64bit installation

I tried to use the georeferencer in the new Qgis 2 64 bits for windows. I tried with the standallone installer and with the OSgeo4w installer. The problem is when I load the raster that I want to ...
2
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0answers
274 views

Install Georeferencer Plug-in QGis 1.7.0 OS X

I'm trying to install the Georeferencer plug-in in QGis 1.7.0 on Mac OS X (10.5.8). However the plug-in doesn't show up in the list. I have used "enable 3rd parties directory" and I have checked "...
2
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0answers
343 views

How to Georeference in QGIS 2.12.1 Lyon

I used to be able to Georeference in QGIS but now I can't. These are the steps I go through. At the end of it nothing happens. No layer is added to my Layers Panel and no document is created in the ...
2
votes
1answer
10k views

How to display a .jpg file in ArcMap for georeferencing? [duplicate]

I'm struggling to georeference a .jpg map. When I load it in to ArcMap, I cannot see the picture at all, so I cannot georeference it. (I tried to zoom to the map layer but the map just does not appear)...
2
votes
2answers
2k views

Why is Format of output data grayed out on Save As dialog for Rectify?

I started georeferencing and I could not save my new "rectify" file, I don't know if is because of the raster or I did something wrong. Then I find out that my control layer is not accurate, it ...
2
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3answers
3k views

QGIS Georeferencer Failing to Compute Transform

I've been using QGIS for quite some time, but have encountered a problem that I can't seem to resolve. I am georeferencing an aerial photograph. I have established ample GCP points. After a fresh ...
2
votes
2answers
2k views

Georeferencing png using gdal?

I have created my own fantasy map, I have the map in a full size png and the map broken down into tiles ( with no geo data ) I installed MS4W and tried to use it to get the georeference data put is ...
2
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0answers
290 views

Preserve GCP's after gdalwarp

I'm trying to figure out how I can preserve my GCP's after a gdalwarp. I need the georeferenced GCP's data, so I can calculate the Root Mean Squared Error. Is there a way to preserve this data, and ...
2
votes
1answer
1k views

Why are JPG files invisible in Georeferencer?

I want to georeference a jpg file (map) with QGIS 1.8.0 on a Windows 7 (64 bit) machine. The georeference window opens, but the map is not visible. When converting the jpg file into a tif file (e.g. ...
1
vote
1answer
272 views

Can I define a transformation between 2D and 3D in Geotools?

I'm using Geotools, and I need to convert coordinates between 2D and 3D coordinate reference systems. I recognize that there's no universally-correct way to do this: 2D -> 3D means "making up" a Z ...
1
vote
1answer
840 views

.svg georeference?

How would I go about taking a layer from AI or Inkscape and importing it into Arc? I've got a vector drawing I want to use and I know I need to georeference it but I'm lost as to how. I also can't ...