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Added an example of use of CanvasTools.RectTool to allow generation of docs.

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RectTool is used to write rectangles over an image (lena).
This example also can be useful for set_color explanation using both [RGB] and single value color setting

from previous commit indented code in examples is formatted properly.
This commit is contained in:
salvatore
2014-12-20 23:54:06 +01:00
parent 5b71cd9481
commit a01a5ed023
1 changed files with 24 additions and 24 deletions
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skimage/viewer/canvastools/recttool.py
+24 -24
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@@ -41,33 +41,33 @@ class RectangleTool(CanvasToolBase, RectangleSelector):
Examples
--------
>>>from skimage import data
>>>import matplotlib.pyplot as plt
>>>from skimage.viewer.canvastools import RectangleTool
>>>import numpy as np
>>>from skimage.draw import line
>>>from skimage.draw import set_color
>>> from skimage import data
>>> import matplotlib.pyplot as plt
>>> from skimage.viewer.canvastools import RectangleTool
>>> import numpy as np
>>> from skimage.draw import line
>>> from skimage.draw import set_color
>>>im = data.lena()
>>>[f, ax] = plt.subplots()
>>>ax.imshow(im)
>>> im = data.lena()
>>> [f, ax] = plt.subplots()
>>> ax.imshow(im)
>>>def stampa(extents):
>>>>>>global im,ax
>>>>>>coord = np.int64(extents)
>>>>>>[rr1, cc1] = line(coord[2],coord[0],coord[2],coord[1])
>>>>>>[rr2, cc2] = line(coord[2],coord[1],coord[3],coord[1])
>>>>>>[rr3, cc3] = line(coord[3],coord[1],coord[3],coord[0])
>>>>>>[rr4, cc4] = line(coord[3],coord[0],coord[2],coord[0])
>>>>>>set_color(im, (rr1, cc1), [255, 255, 0])
>>>>>>set_color(im, (rr2, cc2), [0, 255, 255])
>>>>>>set_color(im, (rr3, cc3), [255, 0, 255])
>>>>>>set_color(im, (rr4, cc4), [0, 0, 0])
>>>>>>ax.imshow(im)
>>>>>>plt.show()
>>> def stampa(extents):
... global im,ax
... coord = np.int64(extents)
... [rr1, cc1] = line(coord[2],coord[0],coord[2],coord[1])
... [rr2, cc2] = line(coord[2],coord[1],coord[3],coord[1])
... [rr3, cc3] = line(coord[3],coord[1],coord[3],coord[0])
... [rr4, cc4] = line(coord[3],coord[0],coord[2],coord[0])
... set_color(im, (rr1, cc1), [255, 255, 0])
... set_color(im, (rr2, cc2), [0, 255, 255])
... set_color(im, (rr3, cc3), [255, 0, 255])
... set_color(im, (rr4, cc4), [0, 0, 0])
... ax.imshow(im)
... plt.show()
>>>rect_tool = RectangleTool(ax, on_enter=stampa)
>>>plt.show()
>>> rect_tool = RectangleTool(ax, on_enter=stampa)
>>> plt.show()
"""