Unrecognized function or variable 'longitudeToIntrinsicX'.

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Robert Kenner
Robert Kenner 2023-1-16
评论： Robert Kenner 2023-1-16
Hello,
I wrote the code below in Matlab 2020b, using the documented Matlab function 'longitudeToIntrinsicX' and receive this error message
" Unrecognized function or variable 'longitudeToIntrinsicX' "
I have installed Mapping and image processing toolboxes. x&y are numeric. How is it possible that Matlab does not recognise this funktion? Can anybody help?
Thank you so much!
Robert

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Walter Roberson
Walter Roberson 2023-1-16
I predict that your R returned from readgeoraster is empty or else that the file refers to projected coordinates.
readgeoraster can return empty R, or a Geographic reference object, or a Map reference object. The function you are trying to use is a class method only for Geographic reference objects, and would not be found for empty R or Map reference objects.
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Robert Kenner
Robert Kenner 2023-1-16
Dear Walter,
Thank you for your fast reply.
R is not empty, see below. However, now I am wondering if I work in the wrong Coordinate system. Perhaps I can only work in WGS84?
all the best
Robert

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