of course it is possible – the only rule you have to follow is that you should do the georeference in the native coordinate system of the MODIS image. Practically. Hello, I have carried out a series of Georeferencing tasks in ERDAS Imagine for an assignment, however I did not record the type of georeferencing used. Dec 14, Assuming that I have a raster image (not georeferenced) and I have 4 control points (X,Y,Z), does Erdas have the capacity to georeference that.

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Thanks for your input, could you please provide me with anything that might help to start?

Any documentation or articles may be a great help of me. There’s help files and example work flows included in the Help section of the software, but here’s a couple of links that may be useful:. Thanks for your help and support, I had the chance to look at the documentation, then I come up with the following procedure, Please have a look at it and correct me if Georefferencing am wrong.


That is the correct procedure. This 3D model requires that GCPs are well distributed across the image horizontally and vertically.

Georeference images based on XYZ GCPs points (not only XY)

After the model is solved you should check your RMS error before resampling. Thanks Guys, this was really helpful, I have attached a manual that I have developed for knowledge sharing, but I wonder if I can show the Z value for the georeferenced image just to make sure that everything is ok. However, using the z values should have helped constrain the model so checking the x,y coordinates prefereably against stand alone check points will show you the true accuracy of your georeferencing.

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Unit 3. Georeferencing – ERDAS | Image Processing for ERDAS | Learning Materials

Hi Johnnie, Thanks for your input, could you please provide me with anything that might help to start? Message 3 of 9 2, Views. Message 4 of 9 2, Views. Message 5 of 9 2, Views. Message 6 of 9 2, Views. Message 7 of 9 2, Views.

Unit 3. Georeferencing

Message 8 of 9 2, Views. Message 9 of 9 2, Views. Do you need immediate support? If you encounter a critical issue and need immediate assistance geofeferencing submit a Service Request through our Support Portal.

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