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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847 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 ...
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178 views

Import GDAL_TRANSLATE IMAGE GOES-13

I have this questions, how to Import by GDAL_TRANSLATE IMAGE GOES-13? Whats is possible projection? Files: 1501201445G13I01.TIF Size is 14400, 12001 Coordinate System is `' Metadata: ...
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1answer
667 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 ...
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1answer
500 views

Do rasters other than “north up” exist in the wild?

"North-up" (as I understand it) refers to raster images stored with the northerly direction at top, and each subsequent line of pixels is a bit farther southward. Rasters' georeferencing metadata ...
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1answer
268 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 ...
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101 views

MODIS coastline issue

I have a few MODIS products and as I was combining my imges I realised that some of the pixels around the coastline where abit off.Is that a standard issue and if so should I use reproject or should I ...
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1answer
3k views

How can I correct a .pgw file for a PNG image?

I have a PNG file and I need its .pgw file to be set with NAD 83 as the projection. I have created a .pgw file: 799 0 0 -799 -122.562 37.1946 However when I open the PNG in QGIS or ArcMap 10.2 it ...
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1k views

How can I open a georeferenced JPG file in OCAD?

I have a georeferenced .jpg file with the .jgw file containing the coordinates. I want to use it as a background in OCAD. But when I open the file as a background, the jpg file is not georeferenced to ...
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2answers
170 views

How to keep spatial information after raster processing of satellite data in r

In R raster package i write an image in tiff format after certain raster processing but the spatial information is missing of new image. That's why i have to geo-reference the image again. How this ...
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2answers
12k views

Converting longitude and latitude coordinates to Indian Grid system?

How to convert lat/long coordinates to Indian Grid system? I've googled for a couple of days but didnt find the exact algorithm for this. and i got a link Indian Grid System. but i didnt get a ...
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253 views

Georeferencing image from Google Earth?

What I want to do appears 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, wrote down ...
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309 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" ...