Attractor field -> Distance field

benchmarks/2d/Square-Attr1.geo

benchmarks/2d/Square-Attr2.geo

benchmarks/2d/Square-Attr4.geo

benchmarks/2d/double_attractor.geo

benchmarks/2d/field_nico.geo

benchmarks/2d/field_restrict.geo

benchmarks/2d/function.geo

benchmarks/3d/Cube-Attr-01.geo

benchmarks/3d/Cube-Attr-02.geo

benchmarks/levelset/square.geo

benchmarks/statreport/ocean.geo

demos/api/t10.cpp

demos/api/t10.py

demos/simple_geo/fields.geo

tutorial/t10.geo