flood-fill

问题 B B B B B B B B O B B B S O B B O O B B B B X B B Here, S = Start Point(2,2) B = Block O = Open X = Exit I want to make a maze that will check north, west, east and south. if X is around it will return the program. If not, then check for any 'O' around the start point and pass the new start point recursively. It there is no way to go and 'X' is not found it will go back to the original start point(2,2) and check west, east and south. after the program, i got: B B B B B B B B + B B B + + B B O

问题 B B B B B B B B O B B B S O B B O O B B B B X B B Here, S = Start Point(2,2) B = Block O = Open X = Exit I want to make a maze that will check north, west, east and south. if X is around it will return the program. If not, then check for any 'O' around the start point and pass the new start point recursively. It there is no way to go and 'X' is not found it will go back to the original start point(2,2) and check west, east and south. after the program, i got: B B B B B B B B + B B B + + B B O

来源： https://stackoverflow.com/questions/64314771/how-to-enclose-the-irregular-figure-contour-and-fill-it-with-with-5px-dots-in-op

来源： https://stackoverflow.com/questions/64314771/how-to-enclose-the-irregular-figure-contour-and-fill-it-with-with-5px-dots-in-op

来源： https://stackoverflow.com/questions/64314771/how-to-enclose-the-irregular-figure-contour-and-fill-it-with-with-5px-dots-in-op

问题 I'm writing a minesweeper game in python, and am currently trying to implement a floodfill algorithm. This is what I've written: def floodfill(CURRENT_BOARD, row, col): count = count_mines(row, col) if count in POSSIBLE_MINE_NUMBERS: CURRENT_BOARD[row][col] = str(count) + ' ' else: if CURRENT_BOARD[row][col] == 'P ': CURRENT_BOARD[row][col] = 'P ' if row > 0: floodfill(CURRENT_BOARD, row - 1, col) if row < len(BOARD[row]) - 1: floodfill(CURRENT_BOARD, row + 1, col) if col > 0: floodfill

问题 I am trying to simulate a matlab function "imfill" for flood filling a binary image (2D matrix of 1's and zeros). I want to specify a starting point in the matrix, and flood fill like a 4 connected version of imfill would do. Does this already exist out there somewhere in the C++ world? If not, what would be the most efficient way to implement this? 回答1: If your images are just 2D arrays of 1s and 0s, then I don't think you need an actual graphics library. When I've filled in simple grids in

问题 I am trying to simulate a matlab function "imfill" for flood filling a binary image (2D matrix of 1's and zeros). I want to specify a starting point in the matrix, and flood fill like a 4 connected version of imfill would do. Does this already exist out there somewhere in the C++ world? If not, what would be the most efficient way to implement this? 回答1: If your images are just 2D arrays of 1s and 0s, then I don't think you need an actual graphics library. When I've filled in simple grids in

问题 I have an image like bellow i want to make the image become like I already make the code, like this : var Tx,Ty, R,G,B,A, posX, posY : integer; begin posX :=-1; posY := -1; for Ty:= 0 to Image1.Height-1 do begin for Tx:= 0 to Image1.Width-1 do begin R:= GetRValue(image1.Canvas.Pixels[Tx, Ty]); G:= GetGValue(image1.Canvas.Pixels[Tx, Ty]); B:= GetBValue(image1.Canvas.Pixels[Tx, Ty]); A:= (R + G + B) Div 3; if (A > 50) then begin Image1.Canvas.Pixels[Tx,Ty] := rgb(255,255,255); end else begin

问题 I'm complitely new to Flood Fill algorithm. I checked it out from Wikipedia (http://en.wikipedia.org/wiki/Flood_fill). But didn't become that much wiser. I'm trying to use it in following situation. I have a matrix: matrix = [["a", "a", "b", "a", "a", "b"], ["a", "b", "b", "a", "b", "b"], ["b", "a", "b", "a", "a", "b"], ["b", "a", "b", "a", "b", "b"], ["a", "a", "b", "a", "a", "a"], ["a", "b", "b", "a", "a", "b"]] Then I let user to decide one point from matrix. If in that given point is "b"