matlab填充imfill,在matlab中使用动画来填充或绘制bucket工具

flood fill (scanline)

http://simulations.narod.ru/

This is flood fill or paint bucket tool in matlab. scanline algoritm used because it fast. Seeds shown as red dots. The function itslef is flood_fill.m

rest files:

zz_flood_fill_test.m - run it to test flood_fill.m

zz_flood_fill_test_movie.m - run it to get animation

zz_flood_fill_movie.m used in animation

explane.png - this picture explane how scanline works

smile.png - used in flood fill test

The idea is fill the object with horizontal lines. during line scan the line set seeds up and down if there is a place (explane.png). In next iteration new scan lines start from seeds. seed accumulated to a stack.