{"id":1183087,"date":"2025-01-15T19:10:36","date_gmt":"2025-01-15T11:10:36","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1183087.html"},"modified":"2025-01-15T19:10:39","modified_gmt":"2025-01-15T11:10:39","slug":"python%e7%94%bb%e5%9c%86%e5%9c%88%e5%a6%82%e4%bd%95%e6%98%be%e7%a4%ba%e5%8d%8a%e4%b8%aa","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1183087.html","title":{"rendered":"python\u753b\u5706\u5708\u5982\u4f55\u663e\u793a\u534a\u4e2a"},"content":{"rendered":"

\"python\u753b\u5706\u5708\u5982\u4f55\u663e\u793a\u534a\u4e2a\"<\/p>\n

\u5728Python\u4e2d\uff0c\u8981\u753b\u51fa\u5e76\u663e\u793a\u534a\u4e2a\u5706\u5708\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528Matplotlib\u3001Pygame\u7b49\u56fe\u5f62\u5e93\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u901a\u8fc7Matplotlib\u4e2d\u7684Arc\u5bf9\u8c61\u6765\u7ed8\u5236\u534a\u4e2a\u5706\u5708<\/strong>\u3001\u901a\u8fc7Pygame\u5e93\u6765\u7ed8\u5236\u534a\u5706<\/strong>\u3001\u4f7f\u7528PIL\u5e93\u7ed8\u5236\u534a\u5706<\/strong>\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0\u7ed8\u5236\u548c\u663e\u793a\u534a\u4e2a\u5706\u5708\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n

\u4f7f\u7528Matplotlib\u7ed8\u5236\u534a\u4e2a\u5706\u5708<\/h3>\n<\/p>\n

Matplotlib\u662f\u4e00\u4e2a\u5f3a\u5927\u7684Python\u7ed8\u56fe\u5e93\uff0c\u5e7f\u6cdb\u7528\u4e8e\u7ed8\u5236\u5404\u79cd2D\u56fe\u5f62\u3002\u53ef\u4ee5\u4f7f\u7528Arc<\/code>\u5bf9\u8c61\u6765\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n

import matplotlib.pyplot as plt<\/p>\n
import matplotlib.patches as patches<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u56fe\u5f62\u548c\u5750\u6807\u8f74<\/strong><\/h2>\n
fig, ax = plt.subplots()<\/p>\n
\u521b\u5efa\u4e00\u4e2aArc\u5bf9\u8c61\uff0c\u53c2\u6570\u5206\u522b\u662f\u4e2d\u5fc3\u5750\u6807\u3001\u5bbd\u5ea6\u3001\u9ad8\u5ea6\u3001\u89d2\u5ea6\u3001\u8d77\u59cb\u89d2\u5ea6\u548c\u7ed3\u675f\u89d2\u5ea6<\/strong><\/h2>\n
arc = patches.Arc((0.5, 0.5), 1, 1, angle=0, theta1=0, theta2=180)<\/p>\n
\u6dfb\u52a0Arc\u5bf9\u8c61\u5230\u5750\u6807\u8f74<\/strong><\/h2>\n
ax.add_patch(arc)<\/p>\n
\u8bbe\u7f6e\u5750\u6807\u8f74\u7684\u8303\u56f4<\/strong><\/h2>\n
ax.set_xlim(0, 1)<\/p>\n
ax.set_ylim(0, 1)<\/p>\n
\u663e\u793a\u56fe\u5f62<\/strong><\/h2>\n
plt.gca().set_aspect('equal', adjustable='box')<\/p>\n
plt.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86patches.Arc<\/code>\u6765\u7ed8\u5236\u4e00\u4e2a\u534a\u5706\u3002Arc<\/code>\u5bf9\u8c61\u7684\u53c2\u6570\u5305\u62ec\u4e2d\u5fc3\u5750\u6807\u3001\u5bbd\u5ea6\u3001\u9ad8\u5ea6\u3001\u8d77\u59cb\u89d2\u5ea6\u548c\u7ed3\u675f\u89d2\u5ea6\u3002\u901a\u8fc7\u8bbe\u7f6etheta1<\/code>\u4e3a0\u548ctheta2<\/code>\u4e3a180\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed8\u5236\u4e00\u4e2a\u4ece0\u5ea6\u5230180\u5ea6\u7684\u534a\u5706\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Pygame\u7ed8\u5236\u534a\u4e2a\u5706\u5708<\/h3>\n<\/p>\n
Pygame\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684Python\u6a21\u5757\uff0c\u4e13\u95e8\u7528\u4e8e\u7f16\u5199\u89c6\u9891\u6e38\u620f\u3002\u5b83\u5305\u62ec\u8ba1\u7b97\u673a\u56fe\u5f62\u548c\u58f0\u97f3\u5e93\u3002Pygame\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u7ed8\u56fe\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u6765\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
import pygame<\/p>\n
import sys<\/p>\n
\u521d\u59cb\u5316Pygame<\/strong><\/h2>\n
pygame.init()<\/p>\n
\u8bbe\u7f6e\u663e\u793a\u7a97\u53e3<\/strong><\/h2>\n
size = (400, 400)<\/p>\n
screen = pygame.display.set_mode(size)<\/p>\n
pygame.display.set_caption("Half Circle")<\/p>\n
\u8bbe\u7f6e\u989c\u8272<\/strong><\/h2>\n
white = (255, 255, 255)<\/p>\n
black = (0, 0, 0)<\/p>\n
\u4e3b\u5faa\u73af<\/strong><\/h2>\n
running = True<\/p>\n
while running:<\/p>\n
    for event in pygame.event.get():<\/p>\n
        if event.type == pygame.QUIT:<\/p>\n
            running = False<\/p>\n
    # \u586b\u5145\u80cc\u666f\u8272<\/p>\n
    screen.fill(white)<\/p>\n
    # \u7ed8\u5236\u534a\u4e2a\u5706\u5708<\/p>\n
    pygame.draw.arc(screen, black, (100, 100, 200, 200), 0, 3.14, 5)<\/p>\n
    # \u66f4\u65b0\u663e\u793a<\/p>\n
    pygame.display.flip()<\/p>\n
\u9000\u51faPygame<\/strong><\/h2>\n
pygame.quit()<\/p>\n
sys.exit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86pygame.draw.arc<\/code>\u51fd\u6570\u6765\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u3002pygame.draw.arc<\/code>\u7684\u53c2\u6570\u5305\u62ec\u663e\u793a\u7a97\u53e3\u3001\u989c\u8272\u3001\u77e9\u5f62\u533a\u57df\u3001\u8d77\u59cb\u89d2\u5ea6\u548c\u7ed3\u675f\u89d2\u5ea6\u4ee5\u53ca\u7ebf\u6761\u5bbd\u5ea6\u3002\u901a\u8fc7\u8bbe\u7f6e\u8d77\u59cb\u89d2\u5ea6\u4e3a0\u548c\u7ed3\u675f\u89d2\u5ea6\u4e3a3.14\uff08\u5373\u03c0\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed8\u5236\u4e00\u4e2a\u4ece0\u5ea6\u5230180\u5ea6\u7684\u534a\u5706\u3002<\/p>\n<\/p>\n
\u4f7f\u7528PIL\u5e93\u7ed8\u5236\u534a\u4e2a\u5706\u5708<\/h3>\n<\/p>\n
PIL\uff08Python Imaging Library\uff09\u662f\u4e00\u4e2a\u529f\u80fd\u975e\u5e38\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u652f\u6301\u591a\u79cd\u56fe\u50cf\u6587\u4ef6\u683c\u5f0f\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u56fe\u50cf\u5904\u7406\u529f\u80fd\u3002PIL\u5e93\u5df2\u88abPillow\u5e93\u66ff\u4ee3\uff0cPillow\u662fPIL\u7684\u4e00\u4e2a\u5206\u652f\u3002\u53ef\u4ee5\u4f7f\u7528Pillow\u5e93\u6765\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
from PIL import Image, ImageDraw<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u767d\u8272\u56fe\u50cf<\/strong><\/h2>\n
size = (400, 400)<\/p>\n
image = Image.new("RGB", size, (255, 255, 255))<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u7ed8\u56fe\u5bf9\u8c61<\/strong><\/h2>\n
draw = ImageDraw.Draw(image)<\/p>\n
\u7ed8\u5236\u534a\u4e2a\u5706\u5708<\/strong><\/h2>\n
bbox = (100, 100, 300, 300)<\/p>\n
start = 0<\/p>\n
end = 180<\/p>\n
draw.pieslice(bbox, start, end, fill=(0, 0, 0), outline=(0, 0, 0))<\/p>\n
\u663e\u793a\u56fe\u50cf<\/strong><\/h2>\n
image.show()<\/p>\n
\u4fdd\u5b58\u56fe\u50cf<\/strong><\/h2>\n
image.save("half_circle.png")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86ImageDraw.Draw<\/code>\u5bf9\u8c61\u7684pieslice<\/code>\u65b9\u6cd5\u6765\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u3002pieslice<\/code>\u65b9\u6cd5\u7684\u53c2\u6570\u5305\u62ec\u8fb9\u754c\u6846\u3001\u8d77\u59cb\u89d2\u5ea6\u548c\u7ed3\u675f\u89d2\u5ea6\u3002\u901a\u8fc7\u8bbe\u7f6e\u8d77\u59cb\u89d2\u5ea6\u4e3a0\u548c\u7ed3\u675f\u89d2\u5ea6\u4e3a180\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed8\u5236\u4e00\u4e2a\u4ece0\u5ea6\u5230180\u5ea6\u7684\u534a\u5706\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u4e09\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u8f7b\u677e\u5730\u7ed8\u5236\u5e76\u663e\u793a\u534a\u4e2a\u5706\u5708\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u70b9\u548c\u9002\u7528\u573a\u666f\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u7684\u6548\u679c<\/strong>\u3002Matplotlib\u9002\u7528\u4e8e\u6570\u636e\u53ef\u89c6\u5316\uff0cPygame\u9002\u7528\u4e8e\u6e38\u620f\u5f00\u53d1\uff0c\u800cPillow\u5219\u9002\u7528\u4e8e\u56fe\u50cf\u5904\u7406\u3002\u5e0c\u671b\u8fd9\u4e9b\u793a\u4f8b\u4ee3\u7801\u80fd\u4e3a\u60a8\u5728Python\u4e2d\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u63d0\u4f9b\u5e2e\u52a9\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u7ed8\u5236\u534a\u4e2a\u5706\u5708\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Matplotlib\u5e93\u6765\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u3002\u901a\u8fc7\u8bbe\u5b9a\u7ed8\u5236\u7684\u89d2\u5ea6\u8303\u56f4\uff0c\u53ef\u4ee5\u5b9e\u73b0\u53ea\u663e\u793a\u534a\u4e2a\u5706\u3002\u4f8b\u5982\uff0c\u4f7f\u7528theta<\/code>\u53c2\u6570\u8bbe\u7f6e\u4ece0\u5230180\u5ea6\u7684\u8303\u56f4\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
import matplotlib.pyplot as plt\nimport numpy as np\n\ntheta = np.linspace(0, np.pi, 100)  # \u4ece0\u5230180\u5ea6\nx = np.cos(theta)  # x\u5750\u6807\ny = np.sin(theta)  # y\u5750\u6807\n\nplt.plot(x, y)\nplt.xlim(-1.5, 1.5)\nplt.ylim(-1.5, 1.5)\nplt.gca().set_aspect('equal')\nplt.title('\u534a\u4e2a\u5706\u5708')\nplt.show()\n<\/code><\/pre>\n
\u4f7f\u7528\u4ec0\u4e48\u5e93\u53ef\u4ee5\u8f7b\u677e\u7ed8\u5236\u534a\u4e2a\u5706\u5708\uff1f<\/strong>
Matplotlib\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u7ed8\u56fe\u5e93\uff0c\u9002\u5408\u7528\u4e8e\u5404\u79cd\u6570\u636e\u53ef\u89c6\u5316\u4efb\u52a1\u3002\u5b83\u63d0\u4f9b\u4e86\u7b80\u5355\u6613\u7528\u7684\u63a5\u53e3\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u53ca\u5176\u4ed6\u51e0\u4f55\u56fe\u5f62\u3002\u6b64\u5916\uff0cPygame\u548cTurtle\u7b49\u5e93\u4e5f\u53ef\u4ee5\u7528\u4e8e\u7ed8\u5236\u534a\u4e2a\u5706\u5708\uff0c\u4f46\u76f8\u5bf9\u800c\u8a00\uff0cMatplotlib\u5728\u79d1\u5b66\u8ba1\u7b97\u548c\u6570\u636e\u5206\u6790\u65b9\u9762\u66f4\u4e3a\u5e38\u7528\u3002<\/p>\n
\u5728\u7ed8\u5236\u534a\u4e2a\u5706\u5708\u65f6\u5982\u4f55\u8bbe\u7f6e\u989c\u8272\u548c\u6837\u5f0f\uff1f<\/strong>
\u5728Matplotlib\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012color<\/code>\u548clinestyle<\/code>\u53c2\u6570\u6765\u8bbe\u7f6e\u534a\u4e2a\u5706\u5708\u7684\u989c\u8272\u548c\u6837\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528plt.plot(x, y, color='blue', linestyle='--')<\/code>\u6765\u7ed8\u5236\u84dd\u8272\u865a\u7ebf\u7684\u534a\u4e2a\u5706\u5708\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u81ea\u5b9a\u4e49\u56fe\u5f62\u7684\u5916\u89c2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8981\u753b\u51fa\u5e76\u663e\u793a\u534a\u4e2a\u5706\u5708\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528Matplotlib\u3001Pygam […]","protected":false},"author":3,"featured_media":1183094,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1183087"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1183087"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1183087\/revisions"}],"predecessor-version":[{"id":1183095,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1183087\/revisions\/1183095"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1183094"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1183087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1183087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1183087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}