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Discussions

Solve problems, and share tips and tricks with other JMP users.
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norman21
Level I

World map projection

Hi,

 

Does anyone know the default type of world map projection used in JMP? Ideally with a reference that can be cited.

 

It looks like a Mollweide projection, but it would be great to have some factual information to support this.

 

Thanks,

 

Norman.

JMP® Pro 17.01.0 running on Windows 10
1 ACCEPTED SOLUTION

Accepted Solutions
jules
Community Manager Community Manager

Re: World map projection

Hi @norman21,

In JMP the regional scale uses an Albers equal area projection, and the world scale uses a Kavrayskiy VII compromise projection. You can read a little more about these image maps in the jmp documentation.

I hope this helps!

@jules 

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3 REPLIES 3
jules
Community Manager Community Manager

Re: World map projection

Hi @norman21,

In JMP the regional scale uses an Albers equal area projection, and the world scale uses a Kavrayskiy VII compromise projection. You can read a little more about these image maps in the jmp documentation.

I hope this helps!

@jules 

norman21
Level I

Re: World map projection

Thanks Julian, this is exactly the information needed (and... how interesting!)

 

However, I see that the JMP documentation states "JMP uses a couple of projections (Albers Equal Area Conic and Kavrayskiy VII) for its maps.", which is a little vague. Is there a way to amend the wording so that it says what you have written?

 

Norman.

JMP® Pro 17.01.0 running on Windows 10
jules
Community Manager Community Manager

Re: World map projection

Absolutely, Norman! I had the same thought once I read what was written there, and I'll make sure our documentation team is aware of this so they can get it updated.

@jules 

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