Questions tagged [georeferencing]
Aligning geographic data to a known coordinate system so it can be viewed, queried, and analyzed with other geographic data.
1,138 questions
0 votes
1 answer
48 views
Removing residuals in georeferenced map using QGIS
Does anybody know a workflow to rewrite a georeferenced raster dataset, so that the residuals in gcp's are removed to zero?
- 41
2 votes
1 answer
52 views
Modified/custom coordinate system in ArcGIS Pro for small scale map of Russia in polar projection
Our development team is currently in a conundrum of trying to accurately georeference a small scale map of Russia that is in a very specific Polar projection. Would anyone have a recommended Custom or ...
- 21
0 votes
0 answers
34 views
Aligning locally warped rasters
I'm trying to align orthophoto rasters that suffer from incompatible local deformations. They are leaf-on and leaf-off images and I want to retain and analyze the vegetation and feature differences. ...
- 8,779
0 votes
0 answers
37 views
proj4 conversion from Trimble DC file to local system
I've got a trimble navigation definition file such as: SC V10-70 Copyright © Trimble Navigation Ltd, 1996-2003 Angle Degrees Dist Meters Press mm Hg Temp Celsius Coord N-E-Elv H.obs Right JOB Job ID ...
- 11
0 votes
0 answers
47 views
QGIS, adjusing x, y coordinate values in .points file so they line up with correct locations in a higher res raster
I have a TIFF that I have added a lot of geo references to. I would like to try to use a higher res tiff file with the same extent and size of the original. It seems like it would just be a matter of ...
- 29
0 votes
0 answers
38 views
Loading geo points from file onto a different image file as the geo points were intitially added to
is there a way to load geo-control points from the .point file into a different higher resolution tif of the same size as the original raster rather than manually adding the reference points to the ...
- 29
1 vote
0 answers
89 views
How to use QGIS to export without warping
This is a follow up from a recent previous question, where the map attached below has now been reprojected such that it aligns perfectly with a Google basemap. The next stage is import both the map ...
0 votes
0 answers
35 views
Georeferencing a Magnetgrid raster in QGIS
I will start by saying that I’m still new to using GIS. I am trying to use QGIS to georeference a .tif file created in Magnetgrid; when added, the layer appears as CRS: unknown, with Properties ...
- 1
1 vote
0 answers
74 views
QGIS Georeference - DEM and CRS:3857 Vintage Map will never align
I'm new to QGIS, and tutorials have taken as far as the image below. I've been attempting to georeference a Copernicus 30m DEM tif (CRS 3857) to a Vintage Map tif (CRS 3857) underneath. These two ...
0 votes
0 answers
53 views
QGIS georeferencer issue
I am new to using georeferencing in QGIS. I set the georeferencer settings as this: But I got this result map which is not what I expected: I expect the result would be a distorted horizontal map as ...
- 23
1 vote
0 answers
62 views
Retrieving projection matrix from QGIS georeferencer
Using QGIS, I'm able to georeference my image fairly easily using the "projection" algorithm (almost zero residual, picture overlays map perfectly). However, I need the matrix that did this ...
0 votes
1 answer
47 views
Is it possible to georeference a burial mound without coordinates? [closed]
I'm an archaeology student working with QGIS, and I'm stuck since I ran into a slight problem. I want to georeference a specific burial mound, I am in possession of the excavation map of the mound ...
- 1
0 votes
0 answers
78 views
Georeferencing a SVG file and insert it in QGIS [duplicate]
I have found an interesting SVG file of a region but it is not georeferenced. I would georeference it but the QGIS Georeferencer does not display it. How could I do it?
1 vote
0 answers
59 views
Georeferencing pixel points in oblique images to real-world 3D coordinates
I want to convert pixel points in a 45° Oblique aerial image to real world lat, lon, z coordinates. For this I am using the Vexcel Imaging API in getting Images and the corresponding metadata. ...
0 votes
1 answer
81 views
Freehand Georeferencing not recognizing previously georeferenced layers
I have a proyect with previously georeferenced files. I moved the proyect to another computer and no issue, the plugin still recognized the files, but then suddenly, it seems the plugin does not read ...
