回答編集履歴
4
追記
test
CHANGED
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@@ -123,3 +123,37 @@
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123
123
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**実行例**
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124
124
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125
125
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126
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127
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128
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129
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質問編集を受けて
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130
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131
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---
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132
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133
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鉛直な線及び水平な線を引きたいのですね。
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134
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135
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それならば、私の書いたコードの関数rand_edgesを改造するだけです。
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136
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137
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```Python
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138
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+
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139
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def rand_edges(height, width):
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140
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141
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pt_x = random.randrange(width)
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142
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143
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pt_y = random.randrange(height)
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144
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145
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146
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147
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return random.choice(
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148
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149
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[
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150
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151
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[(pt_x, 0), (pt_x, height-1)],
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152
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153
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[(0, pt_y), (width-1, pt_y)]
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154
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155
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]
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156
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157
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)
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158
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159
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```
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3
画像の差し替え
test
CHANGED
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@@ -122,4 +122,4 @@
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122
122
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123
123
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**実行例**
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124
124
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125
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-
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2
追記
test
CHANGED
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@@ -27,3 +27,99 @@
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27
27
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28
28
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29
29
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また、関数AddImage内で画像を複製する必要も無いように思います。
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30
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31
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32
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33
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書いてみた
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34
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35
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---
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36
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37
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面白そうだったので。
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38
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39
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```Python
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40
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41
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import random
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42
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43
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import cv2
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44
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45
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46
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47
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48
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49
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def rand_edges(height, width):
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50
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51
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# pt (x, y)
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52
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53
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pt_up = random.randrange(width), 0
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54
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55
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pt_down = random.randrange(width), height-1
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56
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57
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pt_left = 0, random.randrange(height)
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58
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59
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pt_right = width-1, random.randrange(height)
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60
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61
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62
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63
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return random.sample(
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64
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65
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[pt_up, pt_down, pt_right, pt_left], k=2
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66
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67
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)
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68
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69
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70
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71
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72
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73
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74
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75
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def add_line(img):
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76
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77
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height, width, depth = img.shape
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78
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79
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80
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81
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edges = rand_edges(height, width)
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82
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83
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84
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85
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print(*edges)
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86
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87
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cv2.line(img, *edges, (0, 0, 0), thickness=2)
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88
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89
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90
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91
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92
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93
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def main():
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94
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95
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img = cv2.imread('Figure.png')
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96
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97
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assert img is not None
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98
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99
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100
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101
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for _ in range(10):
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102
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103
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add_line(img)
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104
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105
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+
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106
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+
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107
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cv2.imshow('result', img)
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108
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109
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cv2.waitKey()
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110
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+
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111
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+
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112
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+
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113
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+
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114
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+
|
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115
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+
if __name__ == '__main__':
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116
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+
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117
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main()
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118
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119
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+
```
|
|
120
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+
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121
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+
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122
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+
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123
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**実行例**
|
|
124
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+
|
|
125
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+
|
1
追記
test
CHANGED
|
@@ -23,3 +23,7 @@
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23
23
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cv2.waitKey()
|
|
24
24
|
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25
25
|
```
|
|
26
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+
|
|
27
|
+
|
|
28
|
+
|
|
29
|
+
また、関数AddImage内で画像を複製する必要も無いように思います。
|