This course has been updated! We now recommend you take the Introduction to Data Visualization with d3.js v4 course.

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The "Brush Generator, cont." Lesson is part of the full, Interactive Data Visualization with D3.js course featured in this preview video. Here's what you'd learn in this lesson:

Ian continues his coding of the brush generator. His next task is to show when the posts happen on top of the brush. He'll add this additional context by drawing graphics on the brush.

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