1""" 2================= 3Simple Annotate01 4================= 5 6""" 7 8import matplotlib.pyplot as plt 9import matplotlib.patches as mpatches 10 11 12fig, axs = plt.subplots(2, 4) 13x1, y1 = 0.3, 0.3 14x2, y2 = 0.7, 0.7 15 16ax = axs.flat[0] 17ax.plot([x1, x2], [y1, y2], "o") 18ax.annotate("", 19 xy=(x1, y1), xycoords='data', 20 xytext=(x2, y2), textcoords='data', 21 arrowprops=dict(arrowstyle="->")) 22ax.text(.05, .95, "A $->$ B", transform=ax.transAxes, ha="left", va="top") 23 24ax = axs.flat[2] 25ax.plot([x1, x2], [y1, y2], "o") 26ax.annotate("", 27 xy=(x1, y1), xycoords='data', 28 xytext=(x2, y2), textcoords='data', 29 arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3", 30 shrinkB=5) 31 ) 32ax.text(.05, .95, "shrinkB=5", transform=ax.transAxes, ha="left", va="top") 33 34ax = axs.flat[3] 35ax.plot([x1, x2], [y1, y2], "o") 36ax.annotate("", 37 xy=(x1, y1), xycoords='data', 38 xytext=(x2, y2), textcoords='data', 39 arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3")) 40ax.text(.05, .95, "connectionstyle=arc3", transform=ax.transAxes, ha="left", va="top") 41 42ax = axs.flat[4] 43ax.plot([x1, x2], [y1, y2], "o") 44el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5) 45ax.add_artist(el) 46ax.annotate("", 47 xy=(x1, y1), xycoords='data', 48 xytext=(x2, y2), textcoords='data', 49 arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2") 50 ) 51 52ax = axs.flat[5] 53ax.plot([x1, x2], [y1, y2], "o") 54el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5) 55ax.add_artist(el) 56ax.annotate("", 57 xy=(x1, y1), xycoords='data', 58 xytext=(x2, y2), textcoords='data', 59 arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2", 60 patchB=el) 61 ) 62ax.text(.05, .95, "patchB", transform=ax.transAxes, ha="left", va="top") 63 64ax = axs.flat[6] 65ax.plot([x1], [y1], "o") 66ax.annotate("Test", 67 xy=(x1, y1), xycoords='data', 68 xytext=(x2, y2), textcoords='data', 69 ha="center", va="center", 70 bbox=dict(boxstyle="round", fc="w"), 71 arrowprops=dict(arrowstyle="->") 72 ) 73ax.text(.05, .95, "annotate", transform=ax.transAxes, ha="left", va="top") 74 75ax = axs.flat[7] 76ax.plot([x1], [y1], "o") 77ax.annotate("Test", 78 xy=(x1, y1), xycoords='data', 79 xytext=(x2, y2), textcoords='data', 80 ha="center", va="center", 81 bbox=dict(boxstyle="round", fc="w", ), 82 arrowprops=dict(arrowstyle="->", relpos=(0., 0.)) 83 ) 84ax.text(.05, .95, "relpos=(0,0)", transform=ax.transAxes, ha="left", va="top") 85 86for ax in axs.flat: 87 ax.set(xlim=(0, 1), ylim=(0, 1), xticks=[], yticks=[], aspect=1) 88 89plt.show() 90