第九题地址:http://www.pythonchallenge.com/pc/return/good.html
看这样子应该就是要做图像处理了,按照前面做题的思路,可能这些黑色点的位置可能有玄机,看了一下源码,说和前一题有关,然后有一些数据,还有一个first+second=?我以为要把first和second加起来,但是两个的数量也不对等呀。自己YY解题思路只能到这边了。
----------------------------我是华丽丽的YY与攻略分割线-----------------------
攻略当中提示要把图片中的黑点连接起来,不理解怎么想到把线连起来,如果把线连起来直接就能看清楚了吧。
按着别人的代码写了一遍:
import Image im = Image.open(r'D:\good.jpg') first = [146,399,163,403,170,393,169,391,166,386,170,381,170,371,170,355,169,346,167,335,170,329,170,320,170, 310,171,301,173,290,178,289,182,287,188,286,190,286,192,291,194,296,195,305,194,307,191,312,190,316, 190,321,192,331,193,338,196,341,197,346,199,352,198,360,197,366,197,373,196,380,197,383,196,387,192, 389,191,392,190,396,189,400,194,401,201,402,208,403,213,402,216,401,219,397,219,393,216,390,215,385, 215,379,213,373,213,365,212,360,210,353,210,347,212,338,213,329,214,319,215,311,215,306,216,296,218, 290,221,283,225,282,233,284,238,287,243,290,250,291,255,294,261,293,265,291,271,291,273,289,278,287, 279,285,281,280,284,278,284,276,287,277,289,283,291,286,294,291,296,295,299,300,301,304,304,320,305, 327,306,332,307,341,306,349,303,354,301,364,301,371,297,375,292,384,291,386,302,393,324,391,333,387, 328,375,329,367,329,353,330,341,331,328,336,319,338,310,341,304,341,285,341,278,343,269,344,262,346, 259,346,251,349,259,349,264,349,273,349,280,349,288,349,295,349,298,354,293,356,286,354,279,352,268, 352,257,351,249,350,234,351,211,352,197,354,185,353,171,351,154,348,147,342,137,339,132,330,122,327, 120,314,116,304,117,293,118,284,118,281,122,275,128,265,129,257,131,244,133,239,134,228,136,221,137, 214,138,209,135,201,132,192,130,184,131,175,129,170,131,159,134,157,134,160,130,170,125,176,114,176, 102,173,103,172,108,171,111,163,115,156,116,149,117,142,116,136,115,129,115,124,115,120,115,115,117, 113,120,109,122,102,122,100,121,95,121,89,115,87,110,82,109,84,118,89,123,93,129,100,130,108,132,110, 133,110,136,107,138,105,140,95,138,86,141,79,149,77,155,81,162,90,165,97,167,99,171,109,171,107,161, 111,156,113,170,115,185,118,208,117,223,121,239,128,251,133,259,136,266,139,276,143,290,148,310,151, 332,155,348,156,353,153,366,149,379,147,394,146,399] second = [156,141,165,135,169,131,176,130,187,134,191,140,191,146,186,150,179,155,175,157,168,157,163,157,159, 157,158,164,159,175,159,181,157,191,154,197,153,205,153,210,152,212,147,215,146,218,143,220,132,220, 125,217,119,209,116,196,115,185,114,172,114,167,112,161,109,165,107,170,99,171,97,167,89,164,81,162, 77,155,81,148,87,140,96,138,105,141,110,136,111,126,113,129,118,117,128,114,137,115,146,114,155,115, 158,121,157,128,156,134,157,136,156,136] import ImageDraw new = Image.new(im.mode,im.size) draw = ImageDraw.Draw(new) draw.line(first,fill = '#fff') draw.line(second,fill = '#fff') new.save(r'D:\result.jpg')
得到的是是一张图片,有牛的轮廓:
来写Python challenge毕竟不是为了通关,而是为了学习Python,所以,分别测试上面每一行代码的意思,发现first是表示牛的身体,second表示的牛的头部的轮廓,我以为这里分成first和second两个列表是没有必要的,合成一个也是一样样的,把first和second的列表合在一起,得到的图形如下,虽然轮廓也能看出来是牛,但是会多出来一条线,这是以往内drawline是把列表里面所有的点连在一起的,如果两个列表加在一起,必然有一条线连接图的两个部分。
而第九题主要上面的那张图的唯一贡献就是他的size,mode是可以自己设置的,用L或者是RGB都是可以的。上面的黑点估计是启发思路用的,看懂了代码,自己再写一个。
import Image im = Image.open(r'D:\good.jpg') first = []# second= []# import ImageDraw im = im.point(lambda i : 255) im1 = ImageDraw.Draw(im) im1.line(first,fill = 'black') im1.line(second,fill = 'black') im.save(r'D:\result.jpg')
这一次是白底黑牛:
下一题的地址:http://www.pythonchallenge.com/pc/return/bull.html