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

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7 views

Georeference with csc file does not work

I'm trying to map data that I uploaded with an csv file. Originally this data set only included the counrty code, e.g. BD, for Bangladesh. I tried to georeference it by admin region and selected the ...
3
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1answer
27 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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0answers
16 views

geoserver world image publishing error (georeferenced by ArcMap)

I want to add store - WorldImage in geoserver 2.5, but I still get this error: "Could not list layers for this store, an error occurred retrieving them: Failed to create reader from ...
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0answers
23 views

georeference a grid by using a script

I've got an image and a set of coordinates, which represent a grid, that looks similar to this: What I'm looking for is a script, that would transform my image, by using such a grid. Edit: My ...
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0answers
47 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 ...
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1answer
24 views

Georeference images together

I have taken a number of images from a very large rock overhang that contains ancient paintings. I want to piece the images together to create a single image of the entire rockshelter. Through ARCGIS ...
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1answer
36 views

Create Georeferenced Raster For JPEG file with Mapnik Python

I am able to use Mapnik generate_image.py to generate image with a BBOX and projection. Also, I have added a python script to generate a JGW file. But to completely georeference the generated image. ...
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2answers
47 views

Georeferencing window won't open QGIS 2.4

I had the georeferencer window open in QGIS 2.4 while project was running, I accidentally closed the Qgs document with the georeferencing window open (worked absolutely fine till then). When I opened ...
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0answers
24 views

Distorted exported georeferenced tif from far north

I'm trying to export a tif file for R, to plot my data on top of. I have geo-referenced this tiff file: "background_changed" from "Background". But when i export it, the file is very compressed in ...
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0answers
38 views

Georeferencing declassified CORONA images of coastlines?

I'm trying to georeference declassified CORONA images of coastlines in order to asses coastline changes and human impact. In most case, georeferencing is easy, but since images of coastlines can only ...
2
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0answers
89 views

Best practice for aerial photo stitching and georeferencing

I need to georeference 53 air photos from 1981 (1:25,000 scale) and was wondering what would be the most efficient, defensible, and accurate option. For context, the air photos are following a highway ...
2
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1answer
83 views

How to insert georeferenced PNG into correct location in AutoCAD Map3D?

I have a PNG of building plans that I will need to digitize in AutoCAD Map3D. I have georeferenced the PNG in ArcGIS, which has produced a world file (.pgwx) in the same directory in which the image ...
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1answer
69 views

How to upload a series of OS map sheets using QGIS and merge together?

I need to upload historic OS sheets in tiff format, and 'stitch' them together, as some districts are spread over a number of sheets. I have no idea how to do this. Can anyone help?
3
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1answer
64 views

How to combine historic OS sheets in order to create density maps of historic streets

I really need some advice on creating historical street maps using GIS software (I have access to QGIS and Diva). Basically, I want to upload a number of historic OS sheets, which I have downloaded ...
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0answers
17 views

How to avoid random transparent pixels in georeferenced grayscale raster images?

I'm in the process of georeferencing some old black and white aerial pictures from 1990 in QGIS 2.4. So far, this is business as usual, no problems. Of course I get the usual black triangles, because ...
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0answers
51 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 ...
2
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1answer
92 views

Cripplingly Slow Performance While Georeferencing in ArcMap 10.1

Just last night I started having an extremely frustrating problem with georeferencing, something that has been integral to my job for a few years now, and something I've never really had a problem ...
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0answers
56 views

Is it possible to georeference a shapefile? [duplicate]

I need to align a polyline shapefile with a pre-existing one. This new one has a couple of edits, but for some reason shows up in a different location (I believe the person who made this edit did so ...
2
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1answer
60 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 ...
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0answers
33 views

automated method of Geo-referencing air photos?

I am trying to figure out a way to automate a process to geo-reference ~800 air photos, followed by digitalizing several thousand polygons from these air photos. At a minimum, we would like to create ...
2
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1answer
130 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 ...
0
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1answer
65 views

Georeferencing image using QGIS?

I am very new at this and when I georeference an image in qgis, I get the same image georeference but rotate and elongated. I use 3 control points to georeference the image but whatever I do, I get ...
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0answers
16 views

How can I Georeference a column of multiple zip codes? [duplicate]

I'm looking for a way to easily visualize a collection of zip codes. I work for a chapter-based organization, and the chapter boundaries are based on zip codes. I'd love to use CartoDB to display the ...
0
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1answer
44 views

Process to georeference corners of vector file?

I am new to QGIS and trying to wrap my arms around it so please bear with me. I have vector files (DXF) that I need to add back in the georeferencing. They were edited with Illustrator so I loose ...
7
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1answer
191 views

Batch Georeferencing in ArcMap 10.2

I have about 50 pdf maps that I would like to batch georeference and/or georectify. I've saved one as a jpg and georeferenced it manually and would like to automate the rest which are in the same ...
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0answers
37 views

Georeferencing Tools in ArcGIS Engine 10.1

I'm new with ArcGIS or even GIS it self. My question might be a newbie question but I need help on building a Georeferencing tool set like the one in available ArcMap. I found that it is not available ...
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1answer
43 views

Georeferencing Image using saved Link Table from another Image?

I had a scanned map that I did did a georeferenced a few weeks ago and saved the link table. Now I have two more scanned map that need to do the same thing. It is the same area and one of them I did ...
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0answers
38 views

Suggested Workflow for Generating NITF (w/headers) using Nitro in Python

It seems that there is no real suggested workflow for generating an NITF file from a georeferenced, validated tiff image. Here are my inputs: Pyramid Tiff Image - georeferenced MBR (minimum ...
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0answers
22 views

Vectorized a historical soil map advice

I received a PDF file of a soil map in the Middle Rio Grande Valley near Albuquerque, New Mexico however it is dated in 1914. I was able to split the north and south because it came in one map and ...
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1answer
110 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 ...
0
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2answers
72 views

How to find the coordinate system of an existing Map in arcGIS using VB.NET [closed]

I already have a georeferenced base map loaded in ArcMap. I want to find the spatial reference of this map and assign the same coordinate system to a polygon that I created. I can not get a start with ...
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0answers
43 views

How to 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 ...
0
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1answer
59 views

How to overlay a jpg onto a google earth image?

I have produced a model from an online engine , and it is in a google earth picture. I want to georeference the below picture and apply the boundaries here on my google earth image. I'm using QGIS2.2. ...
0
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1answer
62 views

Georeferencing CAD Files and Creating Geodatabase

I'm hoping this is an easy question to answer. I have georefrenced a CAD data set to an orthophoto that was projected in NAD 83, and turned it into a GDB. Even though the GDB is not projected, is ...
0
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1answer
46 views

qgis's georeferencer renders my white map with a translucent blue tint, can I prevent this?

I'm running QGIS 2.0.1-Dufour on MacOSX and when loading a PNG or TIFF into qgis as a raster its always getting rendered with a blue tint. Here's what it looks like before being loaded into QGis's ...
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3answers
77 views

Add locations individually in map view to existing table rows?

(Edited for clarity, sorry!) I have a table in which many records have long/lat info, but many others do not. In other words the locations for those records are currently unknown. Therefore there ...
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1answer
38 views

Does Collada allow to georeference the 3D coordinates within a DAE file?

Can I assign lat/long/height values to each vertice of a Collada 3D model?
0
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1answer
108 views

How to upload a list of 5-digit zip codes to CartoDB?

I'm playing around with the free version of CartoDB right now. Trying to upload both a CSV and excel document with a list of 5-digit zip codes. I have received a "there was a problem georeferencing ...
0
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1answer
68 views

How to choose a coordinate reference system

I have a jpeg image of a reserve's layout and would like to use it to plot animals movements on i.e. GPS points. I have no idea which coordinate reference system to choose during the "georeferencing" ...
0
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1answer
53 views

georeferencing an image from GoogleEarth

What I actually want to do is very simple, however, there seems to be a bug: I have an image from GE which I want to georeference and set as a background layer. I thus set some placemarks on GE, ...
1
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1answer
56 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 ...
0
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2answers
93 views

Defining a scale number from the Helmert transformation

I know this is more bit of a cartographic issue, but maybe somebody would be able to help. I have an old map georeferenced to the openstreetmap with 50 identical points. I want to get the scale of the ...
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1answer
62 views

How to georeference a map - which is in projected coordinate system - using geographic lat long? [duplicate]

We have some hard copy maps which were projected in Gauss Kruger coordinate system (in the legend it has been mentioned). But, the coordinates were given in Geographic lat long (Beijing 1954). In ...
0
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2answers
79 views

Geo- referencing Projected coordinated raster with GCS - ArcGIS

I have raster displaying Lat/ Long grid, but map information shows that, it s been mapped in Gauss Krugger projetion/ Beijing 1954. So, technically we need to geo reference the map in Gauss Krugger/ ...
0
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1answer
62 views

Georeferencing PNG against Google maps with openlayers plugin

I am trying to georeference blueprints to the footprint of a building. I'm using the Google Satellite image from the plugin to do this. The blueprints are rotated about 30 degrees. When I run the ...
0
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1answer
57 views

How would I flatten a projected vector dataset to georeference a historic map to it?

So I have vector data for quad lines, township/range lines and section lines for this area. The data is already projected into NAD83 UTM zone 10N and the lines are no longer straight. They warp ...
2
votes
1answer
105 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 ...
0
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1answer
59 views

Georeference in ArcGIS to a known scale?

If I'm georefencing an engineer's drawing and the scale is 1:250 is there anyway I can input this into ArcGIS for accuracy once I've selected a few points to georeference?
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0answers
20 views

Which georeferencing method for Himalayan Awifs-Awifs registration

I would like to know which georeferencing method would provide the best result for Himalayan region in-case of Awifs(Raw) to Awifs(master) georeferencing.. I have already tried polynomial ...
0
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1answer
47 views

Automate Add Layer in ESRI ArcMap 10.1 [duplicate]

Using ArcGIS Desktop v10.1 with an Advanced level license we have georeferenced our engineering drawings in PNG format. Next we have created a polygon layer for every single drawing to see the Area of ...