Map crashing problems

[Wolflover224]

I'm working on a map. I made the original map in SAI, sized 1990/1990, then made it greyscale and resized it to 513/513 in GIMP and saved it as .png. But whenever I try to load it, it crashes the game.
Help?

[Hakumi]

You don't save it to greyscale. It should be saved as RGB I believe.

[Kerriki]

Hakumi, it does need to be greyscale ^^' Make sure there are no extra layers and that the alpha channel is removed

[Wolflover224]

I meant heightmap, sorry!

[Hakumi]

Ooo. Sorry o.o;

[Ruby1234]

There's a few things you can try to get the heightmap to work, they're very touchy.
One thing you can try is copying the image to clipboard from GIMP, (Ctrl + C) and then closing it. Press Ctrl + Shift + V to create from clipboard. Or you can do that from the menus if the hotkeys don't work:

Then right click the image layer, and flatten it.

Save over the old one, and try it ingame again.

[Wolflover224]

I just now did that.
But FH froze.
I can't even close it.
Help?

[Hakumi]

I'm guessing it's because of the size and if it's a constant thing, then it would do that. But if it rarely does it, it's not much a problem, it just takes time.

[Wolflover224]

The 512 size? I thought that was the regular canvas size for a heightmap.
But yeah, it freezes all the time.

[Hakumi]

No I meant the size of the map in-game when you go to the maker. ^^;