OpenGeofiction

Is this a realistic mountain range/forest cover for an island?

Posted by Panzerbyte on 12 March 2019 in English (English)

Hello all. On the tropical island of Tanay, I want to ask you whether the mountain range/forest cover that I put there is realistic at all for such an island. I'm not quite familiar with land formations, and want to start off realistically rather than having to change this at a later point in time, which is why I ask this of you.

Thank you!

Location: -1.525, 118.145

Comment from Trombonist2003 on 12 March 2019 at 19:36

I'm not a landform expert myself, so I'll just tell you what I see:

It looks like two main peaks, and a smaller two on the side of the eastern one. With an island such as yours, I would think that it is a volcanic island (or more). In that case, it would have a large base, I could presume, similar to what you'd find in Hawaii and other small oceanic islands.

I think it is fine.

Thanks,
Zekiel

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Comment from Panzerbyte on 12 March 2019 at 21:20

Thank you for your comment Zekiel. :)

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Comment from Trombonist2003 on 12 March 2019 at 22:45

Glad I could help.

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Comment from Ūdilugbulgidħū on 12 March 2019 at 23:14

Its a good start. The edges should perhaps not be quite so 'rounded'. Counter-intuitive, but most edges between natural features and even man-made/natural features are combinations of straights and different curves, rather than sinuous. There could also be gaps within the forest. You can use waterways to show the slopes as well.

In this case - as Zekiel says - it looks like peaks. More than the 3 you've mapped, possibly volcanic (tag natural=volcano if so). With the heights you have tagged they're quite high - but that's reasonable. If these are volcanoes, the lower slopes will be fertile: rich farmland or perhaps dense rural settlement, perhaps a bit like this. If not, then they'll be less densely populated.

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Comment from Megacity2005Creator on 12 March 2019 at 23:15

In Hawaiian islands, there tend to be small valleys in the foothills of the area. Therefore there should be areas of the wood jutting out. Hope this helps.

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Comment from Panzerbyte on 13 March 2019 at 10:03

@Ūdilugbulgidħū Thank you for your comment. You are right, it is too rounded and little jaggedness. I was working with the island base that existed already from the start, which was very polygonal in structure - I only fleshed it out further, but looks unnatural too. So what I might do is change the shape of the island itself to better accommodate a high-hilled landscape, as opposed to volcanic.

@Megacity2005Creator Thank you for your comment. Yes that is true - Hawaii is a good template for tropical islands, albeit volcanic ones. But I see what you've linked, and I thank you for sharing that as it is a good feature to implement!

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Comment from louis_walker on 14 March 2019 at 02:25

Are you working in iD or JOSM? If the latter, I highly recommend installing the Draw plugin, which allows you to draw lines continuously without needing to plug in each individual point. I use it to create really detailed landcover quickly, and it's a total lifesaver.

I'll echo what was said above, though—it's really quite a good start!

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Comment from Panzerbyte on 14 March 2019 at 09:44

@louis_walker I use JOSM, and I have the Draw plugin installed already. I like it, it makes things easier. Thank you for the recommendation though, and thank you for your comment. :)

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Comment from Luciano on 14 March 2019 at 16:53

I second the recommendation for JOSM's "FastDraw" plugin (I assume that's what's meant by "Draw" above). It the absolute number one discovery that made large scale landscape editing and planning possible for me.

Combine with "Shift-Y" (simplify way) to remove unnecessary nodes, after drawing each line. You get the nodes that give you the detail you want, but throw out unnecessary nodes. Otherwise you'll clutter the database with piles of unnecessary nodes, since FastDraw drops nodes at roughly fixed intervals, regardless of curvature or lack thereof.

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Comment from Panzerbyte on 14 March 2019 at 19:07

@Luciano Yes, it was the FastDraw plugin that I have. It is a wonderful plugin for large scale stuff in JOSM, which I am using to make my mountain/forest coverage.

Thanks for the tip Luciano, I was already using simplify as I could see a drastic decrease in number of nodes after I drew something and applied Simplify Way after that - thought that was a neat feature too, but never knew it would also tax the database.

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