{"version":"1.0","type":"rich","title":"d3 tutorial code camp","description":"This example generates a pattern of horizontal and vertical bars overlaid with two circular masks, revealing a cross-hatched grid within a circular window. The visualization uses D3 v6 to create SVG rectangles and mask elements, with `select` and `range` from the d3 library. Data is generated programmatically with a loop for horizontal bars and `range` for vertical bars, while masks combine white and black shapes to control visibility. The result demonstrates how SVG masks can create layered geometric compositions.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/46c4e4c5265d44a292112825e6be6d76?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}