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

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-2
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0answers
40 views

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

How do I georeference (polygon) Israeli-occupied territories, Palestinian territories, & Bosnia on Cartodb?
1
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1answer
27 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 ...
0
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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 ...
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 ...
4
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1answer
59 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 ...
0
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1answer
38 views

How to load and reference historic mapping

I have recently started working with QGIS having used ArcView for several years. I am unsure of how to go about inserting historical maps which have no referencing data. I think it might be ...
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 ...
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) ...
0
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1answer
190 views

How to calculate a map scale with bounding box, width and height?

I have a map that will allow the user to select or slice images/pictures out of it. As example a map width is 1200px * 1200px and the user selects say 700px x 700px square (note: aspect ratio is ...
1
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1answer
40 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 ...
3
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2answers
70 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
37 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 ...
0
votes
3answers
644 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 ...
2
votes
1answer
179 views

problem georeferencing a TIFF QGIS

I'm trying to georeference a TIFF in QGIS2.0, 32Bit. The problem appears when QGis adds the map in my project, the map transforms into a black square and it goes to the wrong place. In the next image ...
0
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1answer
173 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 ...
2
votes
1answer
101 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 ...
9
votes
4answers
149 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 ...
4
votes
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 ...
2
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4answers
320 views

How do I eliminate the black border on a georeferenced map layer?

I have geo-referenced several scanned maps. Theses are placed side by side on separate layers in QGIS. They overlay other older maps of the same areas. Georeferencing caused the maps to have black ...
2
votes
1answer
296 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, ...
5
votes
1answer
1k 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
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 ...
0
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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 ...
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
votes
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 ...
1
vote
3answers
443 views

Georeferencer plugin will not load in QGIS

I have downloaded and installed QGIS. I would like to georeference an image using the core georeference plugin. When loading it no toolbar appears and the 'update', 'reinstall' etc boxes in plugin ...
2
votes
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 ...
1
vote
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 ...
4
votes
1answer
931 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 ...
2
votes
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 ...
2
votes
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 ...
1
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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 ...
1
vote
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 ...
1
vote
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. ...
3
votes
2answers
1k 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 ...
0
votes
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 ...
0
votes
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)?
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
votes
1answer
105 views

GeoTiff image not aligned after using gdal_translate and gdalwarp

I don't see what I am doing wrong. The coordinate system was assigned to the GeoTiff using the following gdal_translate command: (Usage: gdal_translate -of GTiff -a_srs EPSG#### -a_ullr upper left ...
0
votes
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
vote
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, ...
1
vote
1answer
91 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 ...
1
vote
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 ...
2
votes
0answers
38 views

QGIS tiff image loaded but not visible

In QGIS I used the Georeferencer on a jpg image I had prepared in Gimp. But when I load the resulting tiff image into my QGIS project it is invisible, even though an image viewing program can show it ...
0
votes
1answer
379 views

Incorrect spatial extent for imported HDF image on ArcGIS Desktop?

I imported an hdf image onto ArcGIS but I cannot make correct projection of it. Also, it does not have correct spatial extent (please see the enclosed figure, the small one is projected under WGS84). ...
1
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0answers
45 views

I want to georeference jpg map without having any digitizing data? [duplicate]

Possible Duplicate: I want to georeference jpg map without any digitizing data? I have only a jpg map but dont have any digital data for georeferencing that jpg.So is there any way for ...
1
vote
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
vote
1answer
76 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 ...
3
votes
1answer
90 views

Disparity between QGIS and ArcGIS for Desktop georeference results?

I am georeferencing a static map in JPEG format. I would prefer to use QGIS for a variety of reasons. I've never georeferenced with QGIS before, so I may not have the process quite right. I ...
1
vote
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 ...