OpenGeofiction

Very large OGF map

Posted by Yuanls on 5 August 2016 in English (English)

Using the power of MS paint, screenshots and the bucket fill tool, I have assembled a map of the entire OGF world.

What is it?

It is a very large map of the available OGF world on 'standard' layer, taken at zoom level 4.

Can I use it?

Yes you can. You do not need any permission. If you want to update the map for a new country or changed borders, ask me please. I don't want any portions misaligned!

What is it for?

I would think this would just be for general reference, country size comparisons and draft maps for very large features like mountains or international organisations.

Location: Steeple Lane, Harcourt, Harcourt and Scotwood, Reyston Autonomous Region, Glaster

Comment from Bstn on 5 August 2016 at 11:36

It's a good idea for giving an alternative in showing a countries position and size on the world map at the wiki. I could offer you a tool to update the world map using the osm_tiles from OGF as often as you'd like to do. With that tool you could - >hypothetically< - render an overview map of the world with the zoom=18 resolution, meaning an image resolution of 67108864 * 67108864 pixels or export your city as an image without merging it in paint.

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Comment from dryerlint on 5 August 2016 at 16:08

"67108864 * 67108864 pixels" Jesus Christ. You absolute madman.

Thanks for the image OP. I never really thought about the fact that we don't have good overview images of the entire world. This will definitely come in handy!

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Comment from thilo on 5 August 2016 at 19:09

Note that OGF (like any other map provider) uses Mercator projection, which is unsuitable for country size comparisons.

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Comment from Bstn on 5 August 2016 at 19:56

Well, I haven't thought about it correctly, I guess.

"67108864 * 67108864 pixels" image would require ca. 170'000 Terabyte so be busy in buying new hard drives.

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Comment from Yuanls on 5 August 2016 at 23:50

@Bstn

Yeah that image is far too big for the 2MB limit on OGF!

@thilo

This is true, but I was thinking more of an approximation taking into account different projections. Is there any way of changing a mercator projection into a Robinson projection online?

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Comment from Luciano on 6 August 2016 at 00:43

You can get different projections by using saved .osm files and a tool such as maperitive. Of course... to do a complete set of world tiles (even at low zooms) just to get a different projection might be a rather big project, but perhaps if you only wanted coastlines or national boundaries, it could be workable. It's intriguing enough to me that I might experiment with it.

That said, to be honest I'm not rue how useful this "world map as image" is... for location maps or sketches of new planned features, isn't it easier to just screenshot the part of the world you're interested in?

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Comment from dryerlint on 6 August 2016 at 04:34

Perhaps you could just distort the original image to create a new projection? I'm not really familiar with how map projections work, so this is probably wrong

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Comment from Ūdilugbulgidħū on 6 August 2016 at 16:28

It would be great to have some maps based on alternate projections. I don't know how easy it is. A quick google search came up with this: https://public.tableau.com/s/blog/2014/08/fun-alternate-map-projections but it requires shapefiles/csvs.

It might be worth referring back to some early diary entries, particularly Paxtar's: http://opengeofiction.net/user/Paxtar/diary/215#comments

There is a 'blank' OGF (Mercator) world map here: http://opengeofiction.net/wiki/index.php/File:OGFoutlineblank.png should anyone want/dare to add worldwide features.

There is a wrapped globe map here (the logo of SMEAR) (made using http://maptoglobe.bitbucket.org/) It is a wrapped Mercator projection - I'm not even sure whether the conversion deal with this in any way.

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Comment from thilo on 6 August 2016 at 17:56

Haven't tried it, but this might work:
http://www.giss.nasa.gov/tools/gprojector/

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Comment from Yuanls on 6 August 2016 at 23:32

@Luciano

I'd use it to draft out large features or maps, for example countries that are not in the AN, or a map of alliances in the 'world war', which I am currently working on.

@Dryerlint

I don't think it would be possible to get the symmetry and scale right. Better leave it to the computers!

@Udi

Unfortunately I lack the knowledge and skill to do that kind of thing. I do recommend it to someone who can though, as the results are worth seeing. The SMEAR logo is interesting-if you made it larger, we could have a 3D view of the OGF planet.

@Thilo

Thanks, I'll give it a try!

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Comment from dryerlint on 7 August 2016 at 02:54

Better leave it to the computers!

That's what I meant :) Someone could write a program to mathematically distort the original image. I'm not sure if it would be possible though.

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Comment from Luciano on 7 August 2016 at 09:59

To follow up on my earlier comment. I spent part of today messing with different projections. I have posted about it on my bliki.

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Comment from Yuanls on 7 August 2016 at 10:09

@Thilo

I've tried it and it does work but I'm leaving a 'full' world map until the new areas are finished. That way we can have a picture of the whole world.

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