map-coloring | Map coloring , using four colors | Data Visualization library
kandi X-RAY | map-coloring Summary
kandi X-RAY | map-coloring Summary
Map coloring, using four colors
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Top functions reviewed by kandi - BETA
- Colorize map
- Change the color of a node
- Apply threshold
- Find nodes in graph
- Get the area of a region
- Check if the given pixel is on the border
- Return True if two pixels are inside the same pixel
- Calculates all pixels in the region
- Check if a given point is inside the box
- Add graph edges to the graph
- Check if two nodes are adjacent
- Add an edge to the graph
- Whiten the background
map-coloring Key Features
map-coloring Examples and Code Snippets
Community Discussions
Trending Discussions on map-coloring
QUESTION
I am trying to develop a framework for a Constraint Satisfaction Problem (CSP) following the code and explanations from this page. My Python version is 2.7.13, so I had to slightly modify the code (I can't make updates or downloads in this computer). See below:
...ANSWER
Answered 2019-Nov-26 at 09:07Your call to the super() method on the parent's init() method is where the issue is super(Constraint, self).__init__()
, this does not assign the parent variable attribute to the child class, hence when the add_constraint()
method tries to get the attribute it throws the error you have indicated.
You can read more about pythons inheritance hierarchy to understand more, this article is good.
I have done some few references to the article and updated the code as below, it should be able to run as expected.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install map-coloring
You can use map-coloring like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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