A 3D scatter plot using Three.js and D3.
This variant uses the high pixel density Canvas technique described in Scaling HTML canvases for HiDPI screens.
Colors and gradient sprite idea inspired by Firefly Cartography.
This visualization shows 2015 Seattle House Price data (approx. 7,000 rows). It's really more of a test of the technique than a readable visualization. Performance remains decent at this number of sprites.
The data was originally visualized in this 2015 Seattle House Price data by GeniXiong.