As said in title, part of the curve object I'm trying to fill in, gets deformed after being filled
File download: https://www.mediafire.com/file/qynzjxr4bxzs5h9/Hokkaido.blend/file
As said in title, part of the curve object I'm trying to fill in, gets deformed after being filled
File download: https://www.mediafire.com/file/qynzjxr4bxzs5h9/Hokkaido.blend/file
Your curve is too much dense.
Switch curve type from Poly to Bezier (3Dview Editor > Curve > Set Spline Type).
Than search for Decimate (or go to 3Dview Editor > Curve > Clean Up > Decimate Curve) ...
... and use Decimate 0.1