As VICTORIA 3 (and Paradox games in general) doesn't show the poles it should use a Equirectangular projection map [Petition to the dev team]

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Alfred Dreyfus

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The most accurate flat map projection that Paradox could use for countries sizes and distances is the Equirectangular projection (also known as plate carrée projection). The bigger disadvantage of this map is that it has a lot of distortion in the North and South poles, but since Paradox games doesn't use them because there are no countries there, it doesn't matter. This would not only give a more precise representation of the territories size, but it will also help get some space from the top and bottom parts of the maps, by reducing the false big size of deserted parts of the map like the Greenland, the North of Canada, North of Russia, and representing a more accurate size of them.

The plate carrée has become a standard for global raster datasets, such as Celestia, NASA World Wind, and Natural Earth, because of the particularly simple relationship between the position of an image pixel on the map and its corresponding geographic location on Earth. In addition it is frequently used in panoramic photography to represent a spherical panoramic image.

Equirectangular projection vs the game's Miller projection (look at the very North part of the map to see the differences):

Sin-t-tulo.png

kpat5xbw9b171.jpg


This is the true size of land in real life:
Screenshot-8.png
Worlds_animate.gif


If you want to compare specific countries: https://thetruesize.com/
 
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I’m partial to the Risk projection for 19th century warfare
 
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Doesn't seem worth the amount of effort it would take. Maybe it would work better at the end of the day, but I'd rather let modders do alternate projections and stuff like that.
 
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Roland Traveler

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I’m not sure that’s practical. Unless I’m misreading it, it looks like the projection makes Europe smaller. Considering the amount of provinces that Vicky III will have, making Europe smaller would be a nightmare to click on provinces in the Continent.
 
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Darsara

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I am legally obligated to disdain Equirectangular projection due to what it does to my country. No really, it's a seldom spoken-of clause in the Canadian legal code. Voluntarily using it means exile in the wilderness for a minimum of 15 days.
 
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Bradley Hutson

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I would love for it to be a globe, to be honest. Something akin to Imperator: Rome
That would be my ideal to, but there are a couple of problems that come to mind with a globe. Firstly, it would probably consume more RAM than a flat map, RAM that is already in short supply given the nature of the game. Secondly, while the map might be rendered as a globe in game, there would probably still need to be 2D maps in the game files for the game to know where to draw province boundaries, rivers, mountains, etc.

I’m not sure that’s practical. Unless I’m misreading it, it looks like the projection makes Europe smaller. Considering the amount of provinces that Vicky III will have, making Europe smaller would be a nightmare to click on provinces in the Continent.
I don't really see how that would be a problem, as it seems you could just increase how much a player can zoom in.
 
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Alfred Dreyfus

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I’m not sure that’s practical. Unless I’m misreading it, it looks like the projection makes Europe smaller. Considering the amount of provinces that Vicky III will have, making Europe smaller would be a nightmare to click on provinces in the Continent.
It's not a big change in Europe's size, the big change comes with the far North territories like the top parts of Canada, Greenland, Russia, etc. This territories are pretty much deserts so there is no need to artificially make them bigger like Mercator or Miller projections do.
 
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I don't think this is correct. A globe isn't an amalgamation of flat maps, after all.
Well my assumption is that there would be some sort of algorithm that would convert the points on a flat map to points on a round map. It seems like flat maps would be necessary for map modding, so I am not sure you could get away from them.
 
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Lorehead

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If you really wanted to get fancy, the game could show the Earth as a sphere, and display the part of it you’re looking at as a view from orbit.
 
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There are two viable solutions
1) Have parts of the map with more provinces, more player interaction bigger. This is the solution Paradox has chosen. It is for gameplay purposes.
2) Have an actual globe. Maybe Vicky IV. But game devs seriously need to start thinking about this solution for all Grand Strategy and 4X games. Since we care about realism.
 
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Was there any mechanics revealed where country (area) size would matter? - I don't think it mattered in any Paradox games.

The biggest issue is usability. For example, if there is a perfect scaling of a surface area, even in 4K resolution the size of Jan Mayen would be about 5 pixels. The game can use one projection or another as a base, but developers probably have to alter parts of the map to make important areas visible and clickable.
 
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Those last two images are a little misleading, as they are using the Mercator projection and not the Miller projection (and the Miller projection does not distort sizes nearly as much as the Mercator). Although I do in general prefer Equirectangular projections (out of all cylindrical map projections, I do think it's the most well-balanced one and it would be the one I'd choose if making a map game), those projections do distort shapes even more than the Miller does - and Equirectangular projections are not equal area either, so whilst it would make sizes a bit closer to real life, it would definitely not be the true size.

No matter what projection you choose - unless you make it a globe - there'll be pros and cons between each one, Equirectangular is slightly better for sizes and Miller is slightly better for shapes. And either way, I think it's a bit late to completely change map projection. It'd be a ton of work for relatively little gain.
 
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aantia

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How is "The bigger disadvantage of [the equirectangular projection] is that it has a lot of distortion in the North and South poles, but since Paradox games doesn't use them because there are no countries there, it doesn't matter," different to "The bigger disadvantage of the Mercator projetion is that it has a lot of distortion in the North and South poles, but since Paradox games doesn't use them because there are no countries there, it doesn't matter?"
 
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