matplotlib · PaulLinZ · Jul 20, 2023
diff --git a/add_road_sign/main.py b/add_road_sign/main.py
@@ -0,0 +1,45 @@
+from matplotlib.path import Path
+import matplotlib.pyplot as plt
+
+
+def custom_box_style(x0, y0, width, height, mutation_size):
+    """
+    Given the location and size of the box, return the path of the box around
+    it. Rotation is automatically taken care of.
+
+    Parameters
+    ----------
+    x0, y0, width, height : float
+       Box location and size.
+    mutation_size : float
+    Mutation reference scale, typically the text font size.
+    """
+    # padding
+    mypad = 0.3
+    pad = mutation_size * mypad
+    # width and height with padding added.
+    width = width + 2 * pad
+    height = height + 2 * pad
+    # boundary of the padded box
+    x0, y0 = x0 - pad, y0 - pad
+    x1, y1 = x0 + width, y0 + height
+    # return the new path
+    return Path([(x0, y0), (x1, y0), (x1, y1), (x0, y1),
+                 (x0-pad, (y0+y1)/2), (x0, y0), (x0, y0)],
+                closed=True)
+
+#设置一号参数
+fig, ax = plt.subplots(figsize=(3, 3))
+ax.text(0.5, 0.5, "Test", size=30, va="center", ha="center", rotation=30,
+        bbox=dict(boxstyle=custom_box_style, alpha=0.2))
+
+#设置二号参数
+fig, ax = plt.subplots(figsize=(5, 5))
+t = ax.text(0.5, 0.5, "Direction",
+            ha="center", va="center", rotation=45, size=15,
+            bbox=dict(boxstyle="rarrow,pad=0.3",
+                      fc="lightblue", ec="steelblue", lw=2))
+
+# 显示图像
+plt.show()
+
diff --git a/add_road_sign/scratch_2.py b/add_road_sign/scratch_2.py
@@ -0,0 +1,24 @@
+import matplotlib.pyplot as plt
+import numpy as np
+fig, ax = plt.subplots(figsize=(3, 3))
+
+ann = ax.annotate("Test",
+                  xy=(0.2, 0.2), xycoords='data',
+                  xytext=(0.8, 0.8), textcoords='data',
+                  size=20, va="center", ha="center",
+                  bbox=dict(boxstyle="round4", fc="w"),
+                  arrowprops=dict(arrowstyle="fancy",
+                                  connectionstyle="arc3,rad=0.2",
+                                  relpos=(0., 0.),
+                                  fc="w"))
+
+ann = ax.annotate("Test",
+                  xy=(0.2, 0.2), xycoords='data',
+                  xytext=(0.8, 0.8), textcoords='data',
+                  size=20, va="center", ha="center",
+                  bbox=dict(boxstyle="round4", fc="w"),
+                  arrowprops=dict(arrowstyle="fancy",
+                                  connectionstyle="arc3,rad=-0.2",
+                                  relpos=(1., 0.),
+                                  fc="w"))
+plt.show()
diff --git a/add_road_sign/solve.py b/add_road_sign/solve.py
@@ -0,0 +1,32 @@
+import matplotlib.pyplot as plt
+from matplotlib.patches import Arrow
+
+# 创建一个图形对象和子图
+fig, ax = plt.subplots()
+
+# 设置字体大小和颜色
+font_size = 25
+font_color = 'yellow'
+
+# 设置背景颜色
+background_color = 'green'
+
+# 绘制箭头路标，设置填充颜色和边框颜色
+arrow = Arrow(0.2, 0.2, 0.6, 0.6, width=0.5, edgecolor='yellow', facecolor='red', linewidth=3)
+ax.add_patch(arrow)
+
+# 添加注释文本，设置字体大小和颜色
+ax.text(0.5, 0.9, 'RIGHT', ha='center', va='center', fontsize=font_size, color=font_color)
+
+# 设置图像范围
+ax.set_xlim(0, 1)
+ax.set_ylim(0, 1)
+
+# 设置整个图形对象的背景颜色
+fig.patch.set_facecolor(background_color)
+
+# 隐藏坐标轴
+ax.axis('off')
+
+# 显示图像
+plt.show()