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Merge pull request #1597 from library111/DocumentationChanges

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Novice module documentation improvements
This commit is contained in:
Stefan van der Walt
2015-07-12 12:27:19 -05:00
parent 0b983c1d28 80629c34bb
commit b4320ebcb5
2 changed files with 14 additions and 2 deletions
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doc/source/install.txt
+1 -1
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@@ -98,7 +98,7 @@ To update::
Building with bento
```````````````````
``scikit-image`` can also be built using `bento
Alternatively, ``scikit-image`` can also be built using `bento
<http://cournape.github.io/Bento/>`__. Bento depends on `WAF
<https://code.google.com/p/waf/>`__ for compilation.
skimage/novice/__init__.py
+13 -1
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@@ -27,6 +27,10 @@ We can create a Picture object open opening an image file:
>>> from skimage import data
>>> picture = novice.open(data.data_dir + '/chelsea.png')
We can display pictures (after running this command, close the window to access the prompt again):
>>> picture.show()
Pictures know their format:
>>> picture.format
@@ -44,16 +48,24 @@ True
>>> picture.width
451
As a reminder, we can preview the picture with our earlier command:
>>> picture.show()
Changing `size` resizes the picture.
>>> picture.size = (45, 30)
We can preview the changes we made to the picture with our earlier command:
>>> picture.show()
You can iterate over pixels, which have RGB values between 0 and 255,
and know their location in the picture.
>>> for pixel in picture:
... if (pixel.red > 128) and (pixel.x < picture.width):
... pixel.red /= 2
... pixel.red = pixel.red / 2
Pictures know if they've been modified from the original file