World Map

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07-22-2016 02:17 PM
DeannaGibson
New Contributor


Hi there, I've been using ArcMap for a few years but I'm trying now to do my first world map.

I really like the look of the Van Der Grinten projection but I want it to wrap around the international date line so that I end up with a more rectangular map if that makes any sense. I've attached a sample of the kind of map I want to emulate.

Does anyone know how I can achieve that wrapped effect?

Thanks very much in advance!

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MelitaKennedy
Esri Notable Contributor

There's been a few threads over on CartoTalk. One had no answers. The other mentioned ProMapper and Manifold.

I'm sure it's come up here or on the previous Esri forums, but ArcGIS is not set up to extend beyond 360 degrees.

Melita

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DanPatterson_Retired
MVP Esteemed Contributor

have you set the projection of the data frame to what you want?  perhaps you are just viewing the data in its unprojected form

Specifying a coordinate system—Help | ArcGIS for Desktop

or am I missing something?

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DeannaGibson
New Contributor

I could be doing something wrong, that's not out of the question at all. I've got the coordinate system set to Van Der Grinten and it's showing the world. I just want to know how to make it show more on each side like the map I attached in my post. The image below is what I have in ArcMap now.

Capture.JPG

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DanPatterson_Retired
MVP Esteemed Contributor

ahhh the old change in the coordinate reference from -180 to 180 to 0 to 360

What happens to features at +/-180 (dateline)?—Help | ArcGIS for Desktop

now I just have to find it

List of supported map projections—Help | ArcGIS for Desktop

but perhaps you can modify the false easting/central meridian to -180 degrees longitude

Van der Grinten I—Help | ArcGIS for Desktop

I am not on an Arc* machine.  I will flag Melita Kennedy she will probably know off the top of her head

AbdullahAnter
Regular Contributor II

Dan, look to Deanna Gibson picture look to Alaska it is in the right and in the left , she want to continue viewing in both sides.

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AbdullahAnter
Regular Contributor II

I don't know if Arc Map can do this or not.

But it is good question and I am looking forward to know the answer.

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MelitaKennedy
Esri Notable Contributor

No, ArcMap can't do that type of wrapped effect. You might be able to do something similar with separate data frames, but it would be difficult with van der Grinten because we usually don't allow data to go outside the projection's "horizon"--its valid area of use. Part of that includes not having the same point map/convert to two different places!

Melita

DeannaGibson
New Contributor

Thank you for getting back to me on this, Melita. Do you know of any software that might do this?

Thanks again!

Deanna

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MelitaKennedy
Esri Notable Contributor

There's been a few threads over on CartoTalk. One had no answers. The other mentioned ProMapper and Manifold.

I'm sure it's come up here or on the previous Esri forums, but ArcGIS is not set up to extend beyond 360 degrees.

Melita

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DeannaGibson
New Contributor

Thanks again, Melita.

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