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

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51 views

Problem aligning historic map of Poland [on hold]

I have downloaded a historic map of Poland. I am having a problem aligning it to a modern map. I have tried various methods and coordinate system using over 50 points, but nothing works. It gets ...
-3
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0answers
54 views

Georeference Israeli-occupied territories, Palestinian territories & Bosnia [on hold]

How do I georeference (polygon) Israeli-occupied territories, Palestinian territories, & Bosnia on Cartodb?
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0answers
10 views

Cropping out overlapping raster areas from old maps?

I am trying to take out the white bordered areas from my crop lines from multiple PDF maps I georeferenced and now exist as rasters. My goal is to mosaic or merge them all together to have a seamless ...
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1answer
35 views

How do I get dwg file in Autocad Civil 3D to align with a georeferenced shapefile and attach coordinate system?

I am working on a project mapping Rockingham castle for a event help there in August and am mapping the layout and camping area. I'm looking at taking over from the person previously performing this ...
3
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1answer
32 views

Which CRS would be the most appropriate to georeference a map of Egypt?

I'm trying to georeference a geological map of Egypt from 1981, but I don't know which CRS to chose, either the transformation type nor the resampling method... And once the georeferencing of the map ...
3
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1answer
16 views

georeferencing raster data with unknown CRS

I’m new to QGIS and georeferencing raster data. I have a raster dataset with unknown CRS. The coordinates for goerefencing the raster data with reference points (x = 589 Y = 1483 / x = 500 Y = 1500) ...
1
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0answers
32 views

QGIS georeferenced image does not apear in the map area

I'm having issues with some georeferenced images in QGIS 2.10.1-Pisa. I generally georeference PDF's of new land subdivisions over aerial photos to get the layout of the new subdivision, generally ...
1
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1answer
42 views

Building georeferenced GeoTIFF from mbtiles automatically?

I want a georeferenced raster.In that way I don't have to georeference this raster manually . I know that geotiff has the georeference inside it , I got the mbtiles of the map how do I build the ...
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2answers
71 views

How georeference a dxf file in QGIS 2.14?

In Illustrator I exported a PDF as dxf and inserted it in QGIS as Vector and obtained 2 layers as points and lines but it is misaligned and in a unknown location. I know georefecence a raster file, ...
2
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1answer
38 views

Georeferenced TIFF to Google Earth?

I have aerial view images (.TIFF) which I have georeferenced using ArcMap 10.4. What I am trying to do with the images is export them with the georeferenced data attached and import them to Google ...
2
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1answer
103 views

QGIS 2.14 Georeferencer Issue

Am having an issue with the QGIS Georeferencer - I start with a fresh canvas but for some reason, the points always end up shifting a great amount (see screenshot). I've double checked my points, and ...
4
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2answers
63 views

Options for Aerials QGIS 2.10

I'm looking for options to add aerials to my QGIS Project. The OpenLayers plugin doesn't work (it says it's only available for versions 2.0 - 2.2), so I'm stuck moving from ArcMap to QGIS. Is there ...
9
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4answers
153 views

Creating photogrametric point cloud of an object from distributed photographs, here: Making accurate 3D model of building using UAV imagery?

Is there a way of creating a photogrametric point cloud from a set of densly distributed photographs of an object? Application: I am trying to investigate if creating a 3D model (point cloud) of the ...
0
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1answer
30 views

Managing Many Georeferenced Large Files in ArcMap?

Does anyone have any ideas on how to best handle many large georeferenced files in an ArcMap Document? I have somewhere around 250 individual historic aerials (none being in the same place or from ...
2
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0answers
22 views

Tiff will not update georeferencing

I am having a problem georeferencing. I have a photograph (.tif) that will not save georeferencing. When the .tif raster appears on the table of contents, there is a ":0" added to the end of the ...
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1answer
14 views

Compute GCP values for gdal_translate in a PNG image

I am using the incorrect GDP for gdal_translate based on gdlainfo command line since image is offset from correct location. Image is at correct location when I use QGis GeoReference using my clicked ...
2
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1answer
54 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 ...
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1answer
18 views

Georeferencing files that are orthogonal to a point on a sphere

I have about 65000 photos, each of them a square where an inscribed circle is radius 1 degree. Each of these photos has an associated latitude and longitude of the center. I'm trying to figure out ...
2
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1answer
43 views

display historical map without georeferencing?

I have a historical map of Rome that was published as 46 separate sheets. I'd like to scan these sheets, mosaic them together, and display them as a single map. I've tried to georeference a few of the ...
1
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1answer
40 views

Spatially matching Landsat images in ArcMap?

I'm trying to look at the desiccation of a lake over a number of years using images from different Landsats. However when I import the different years into arcmap they are completely unsynchronized. I ...
4
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1answer
62 views

Georeferencing Himawari-8 in GDAL (or other)

Does anyone know the appropriate project information to georeference (and hence reproject) Himawari-8 AHI data in the IR? The images are 5500x5500 pixels. Currently I try these: ulx=-5570248.832537 ...
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0answers
27 views

Control points in IAdjustXForm for georeferencing of raster (ArcObjects)

I am trying to create a georeferencing tool using ArcObjects in VB.Net. Though only a little text is available on this topic in forums as well as from ESRI; I found an esri article that states the use ...
2
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1answer
69 views

How to georeference a tile downloaded from Google Maps

I'm trying to georeference a set of image tiles downloaded from a Google Maps site. Based only on each image's Google Maps grid reference and zoom level, how can I calculate the real-world ...
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2answers
40 views

determining GPS points from a grid in meters

I am new to GIS use and I have a plan (scanned from paper, old fashion) with a grid of 5x5 meters cells and a GPS point in the middle. I wish to georeference my plan, but I only have one known point. ...
0
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1answer
45 views

Why do we georeference from the image to the shapefile (and not the other way around)? [closed]

Why do we georeference going FROM the image, TO the shapefile (and not the other way around)?
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1answer
37 views

I want to have two raster data sets overlay

I am using ArcGIS 10.3 I have 2 raster datasets with different coordinate systems, but they are the same county (just different databases). When I add them to the same map layer they are far away ...
1
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0answers
37 views

Google Earth Extension to export georeferenced image?

Has somebody coded an extension to Google Earth that will export a georeferenced image from google earth? Google Earth and Google Earth Pro only export the image *.jpg *.png etc and don't export the ...
0
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1answer
40 views

metes and bounds from historic plans

I have an historic map from 1912 in feet and has metes and bounds displayed. I am going assume one point on the map (a lot boundary intersection) is the same as it is now and then use the metes and ...
1
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1answer
55 views

QGIS georeference raster to world file (WLD)

I am trying to georeference a raster (jpg). I can easily create a geotiff, but when trying to use the QGIS georeferencer to create a wld file instead, something goes wrong. I have the target CRS set, ...
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1answer
23 views

Clipping raster Data: Converted from GeoPDF to .tff. to .lyr

Program: ArcGIS 10.3 Need: Trying to get a free basemap for georeferencing a historic map so that I can overlay it in my project area. Attempted to use ESRI's USGS National Basemap so that I could ...
1
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1answer
34 views

Unable to choose desired layer when georeferencing in ArcMap?

I am georeferencing some images in ArcMap 10.3.1. When I want to add the specific layer I'm going to georeference, I cannot choose this from the drop-down menu. Any ideas on how to solve this ...
1
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1answer
77 views

Spatial Adjustment or Georeferencing

I have a tiff map of a college campus and polylines of walkways. They are both in the same coordinate system but do not line up so I need to move one on top of the other. The textbook I am using says ...
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0answers
63 views

Aligning two raster layers in QGIS?

I am teaching myself GIS in baby steps, I recently acquired aerial imagery (employing RGB and NIR-GB sensors) using a small UAV with the intent of generating a map in a small plot of land. After ...
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0answers
32 views

Issue on project CRS loading a georeferenced image

I have a georeferenced image in EPSG 26714. When I load it in Qgis 2.14 the project CRS is set to 4326. I asked for the layer properties and the CRS registered is 26714. When I open the same file in ...
1
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1answer
18 views

Does anybody have a link to a video or tutorial on how to georeference an image file with a crossection in ArcScene?

I am looking to put together a 3D site conceptual model. I have subsurface data as well as surface data and would like to display it in ArcScene. How do I georeference a crossection so that it ...
3
votes
1answer
33 views

CRS and QGIS georeferencing for Cassini projection

I have scans of OS 6" series maps which I understand are Cassini projection. According to an article my Mugnier, Photographic & remote sensing, Oct 2003 they had the typical scale factor equal ...
0
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1answer
59 views

Georeferencing Raster automatically fails

While trying to auto register a raster image in georeferencing - using a wms raster layer as reference - I get the simple error message "Failed to auto register". Thereby the Link Table remains empty. ...
2
votes
1answer
41 views

Find coordinates of point on map

I have scanned map I know it scale and dpi. Is it possible if i know lon-lat cords of some point(X,Y) calculate lon-lat of another point (clicked) on this map? I have read some about georeferencing ...
2
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1answer
51 views

How to display this map in QGIS

I downloaded a map with a .tif, .tfw, and .xml file. I can't get it to display in QGIS. I used geotifcp -e to create a GeoTIFF. I tried Lambert Conformal Conic since it was mentioned in the .xml. Hard ...
1
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1answer
98 views

Shifting LiDAR point clouds that have been incorrectly georeferenced

I am new to LiDAR and have never been a part of the LiDAR data pre-processing stage and hence, this question. I have two LiDAR point clouds (.las files) of a densely forested area that were captured ...
2
votes
2answers
53 views

Georeferenced image not displaying

I used Georeferencer to georeference a jpg map and saved as tif. I used Thin Plate Spline, Cubic Spline, and LZW as settings. The tif shows fine in OSX Preview. gdalinfo reports Driver: GTiff/GeoTIFF ...
1
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1answer
39 views

CRS confusion or georeferenced

I have georeferenced an old jpg map against Bing Road maps (OpenLayers plugin) and Raster>Georeferencer. I'm trying to use EPSG:4326 because my PostGIS database uses that. My PostGIS info shows ...
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0answers
47 views

Problem georeferencing PNG of floor plan

I am a student of GIS. I am working on PNG files of campus buildings' floor plans which we are georeferencing to satellite images of campus and then mapping safety equipment on each floor. After some ...
2
votes
1answer
32 views

Cropping Geo-referenced scanned maps

So I geo-referenced a few scanned maps successfully, however when it orients the scanned map correctly, a black rectangle background appears behind the map. This doesnt allow for me to "puzzle" ...
2
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0answers
27 views

failed gdal script from QGIS Georeferencer using Thin Plate Spline (TPS)

I'm trying to georeference a photo using QGIS Georeferencer plugin (this is an oblique photograph. I know I should be using a proper georectification routine, but my current work now is just to simply ...
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0answers
57 views

Georeference dwg file in arcmap

I have a dwg file and I want to georeference it with ArcMap. I have 4 coordinates given (in Degrees and Lambert), so I should be able to reference it. I used the georeferencing tool in ArcMap, but I ...
2
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0answers
46 views

My georeferencer plugin window doesn't open

Ever since I downloaded QGIS 2.2 I can't get the georeferencer plugin to open. I've removed all older versions of QGIS & reinstalled & have just installed 2.8.6 but am still having the same ...
4
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1answer
23 views

Using Gazetteers to mine locations from text

I am starting to work with Gazetteers and trying to find something that will actually "mine" geospatial locations from sets of text. Academically, this is a difficult task as texts are based on ...
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0answers
14 views

Orthorectify large set aerial images [duplicate]

I have a large set of images that I want to stitch the together and orthorectify. They have been taken from a small aircraft. The camera of the aircraft is tilted, thereby, although gps data is ...
3
votes
2answers
41 views

How to overlay Historic map onto Google Earth using QGIS?

I am very new to QGIS. I have a Plat Map of my home town from the early 1900's that I would like to overlay on Google Earth. The problem I'm having is the map will not line up. I can get roads to ...