Undefined Var about carnd-lanelines-p1 HOT 3 CLOSED

These comments are just to guide you toward using the gray colormap, cmap="gray", when displaying a single color channel image. The variable name gray is used assuming you might call the grayscale() function like: gray = grayscale(image). Before these comments were added people were trying to use plt.imshow(gray) for single color channel images and getting strange results.

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Hi Ryan,

Thanks, that's helpful. Would it be possible to update the README to specify that gray is var representing the result of calling the grayscale transform?

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Hey, sure, so what I've done to be a bit more explicit is to add a few words to the comment strings where those suggestions are made. I feel like in the readme they might get missed. Thanks for helping improve the project!

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