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sul-cidr / histonets

Histonets is an application to convert images of scanned maps into digital networks
https://histonets.stanford.edu
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Validate color selection stage of build #213

Open csbailey5t opened 7 years ago

csbailey5t commented 7 years ago

Currently, if you are presented with the histogram of color, choose none, and hit next, the histonets command errors out. We should validate and provide an informative message to the user just in case this happens.