with Balthasar's "go-ahead" I've been working out ideas for the "planets" version of a "lost worlds" map. This is so rough I wouldn't even call it a "proof of concept" yet. The posted image is 50% scale of what I'm actually working with.
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The outliers are Barsoom, Luna, Amtor, & Mongo (for lack of another inspiration). On Earth the ellipse represents the underworld portion of the map & the bottom is Pellucidar. Proportions aren't finalized yet. The ellipse will probably get shifted south,; shrinking Pellucidar & leaving more room for the "surface" map. I'm also considering enlarging the planets relative to earth. But I want the Earth civilizations to predominate. It seems like the planets will have 1-2 civs each, so their available settlement area ought to be about the same as what 1-2 Earth civs would have access to.
Thanks, KA, for reminding me that Pellucidar is completely enclosed - sparking an idea for the Earth's surface. I envision a sort of world ocean encircling the outside of the lower hemisphere. The onion layer being roughly - a 1 - 2 tile band of sea + 1 tile of coast + impassable layer. There can be small valleys & bays with more varied terrain - room for Kong Island or Lemuria, for example.
My plan for dealing with aetheric flight is to use the
Space + Seas LM solution outlined by Flamand & embryodead. If I can cope with embryodead's method, there will be additional LM terrains to give the planets their own unique look, even though terrain values may be fairly standard.
While I envision the overall map to approach the maximum (362 x 362) I think it won't be too unwieldy. Earth's water bodies can be limited to coast/sea - then the planets won't be linkable by harbors. Hopefully that will avoid the "searching for trade routes" lag time. & ships that try to fly will fall off the edge of the earth & disappear
lol
. Later in the tech tree there can be "spaceports".
I hope some others, like Hikaro, will comment on this as a direction to move the mod towards.
I really think the maps ought to have their own thread. King Arthur can contact one of the mods, like Plotinus, about the possibility of shifting the relevant posts.
EDIT: posted updated image to show Pellucidar. Whole underworld region (brown) has been shifted south as I discussed above. Magenta shows South Pole entrance to Hollow Earth. Green blob is possible location (but not shape) of Agartha.