3

I have this antique style map:

enter image description here

I wish to customise it by adding more land.

Is it possible to create a custom pattern that represents the land? How would I add the "edge" of the land; perhaps as a stroke/outline on the brush preset?

4

You could copy and paste a rectangular piece of the land from a larger piece of the land mass, create a path over it, and apply that as a vector mask, then add a stroke effect.

For example

enter image description here

Yes it is also possible to create a custom pattern in Photoshop, but I don't think that's how it was added to the map. Patterns repeat, but the example doesn't show that. It's more likely a texture that has been created possibly using the clouds filter, or even a scan of some paper. Getting something that matches exactly would be difficult.

  • That's a good idea. Is there a quick way to create a "turbulent" path like you did or did you do it by hand? – turnip Sep 28 at 17:44
  • @turnip I drew it by hand. It only took a minute or so. – Billy Kerr Sep 28 at 18:31
2

You have already got an usable answer, so this is only a minor supplement.

You wanted complex edges. This is an easy way to get them without drawing the finest details. I have two layers. One is for fake paper and the other is for manual painting.

The painting layer is filled with black and two coarse white shapes are painted. The one in the left is a few strokes with an ordinary brush and the other is a filled selection which is drawn with the polygonal lasso tool:

enter image description here

To get complex edges 3 filterings has been applied

  • Gaussian blur
  • Distort > Ocean Ripple
  • Gaussian blur again, but with smaller radius to smooth the ripple a little

enter image description here

A selection is made with the Magic wand. To avoid small islands one must check "contiguous". The tolerance affects radically:

enter image description here

Use that selection to cut a piece of the fake paper. Paste it place to generate a new layer. Here it has got Layer > Layer style > Stroke to generate the black edge:

enter image description here

As you see, there's small ponds near the coastline. To avoid them you can insert small areas to the selection (=hold shift and draw an elliptical selection over the hole). To get them more you can paint black inside the white shapes before blurring.

Less torn result can be got by smoothing the selection with Refine Edge:

enter image description here

  • That's perfect, thanks! – turnip Sep 29 at 15:19

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