Ever make a sandwhich? Making hills works the same.
Layer your different elevations just like you would to make a sandwhich then just cut the sandwhich in half and remove one half of it.
You will "cut" the sandwhich in half with the "Mountain" color of -2 to -5z lower than the highest grass color.
So if your hill is 50z high you want to cut it in half with mountian colors first starting with the closest to the base elevation, then make another mountain line on top of that one making another sandwhich but making the lines end -2 to -5z, so your mountain elevations will look like this
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 50, 50, 50, 50, 45, 40, 35, 30, 25, 20, 15, 10, 5
Your ground elevations should look almost the same but +5z elevation so the grass "flops" over the cliff properly.
10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 55, 55, 55, 55, then back down again.
If the line of mountain tiles are going north to south | or east to west --- then you only need 1 pixel wide mountains. If you try to run it at an angle then you will need at least 2-3 or you will get the checkerboard effect.
Sorry but I'm not going to create a map just to show the method of making a hill. If this does not help I would recommend that you simply open up your photoshop and do some experimenting, thats how I learned.
Make a solid grass map and paint different terrain combinations and various elevations then you will be able to "see" these in your own mind which is required for making a useable map.
Dev
_________________ "So...if crazy people don't know their crazy...does that mean your only sane if your know your crazy?"
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