{"version":"1.0","type":"rich","title":"D3 first steps","description":"This example generates a full-screen grid of 100 vertical and horizontal bars using D3 selections and joins, then applies two circular SVG masks to create a striking cross-hatch pattern. Built with a React-wrapped D3 v6 setup, the code uses `select`, `range`, and `join` to bind data to rectangles, while the masks—one with a white circle on black, the other inverted—reveal and hide intersecting lines around a central focal point.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/8f1cdb52734940a59234c808f857df33?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}