Brushes can be used to draw a barchart. This gives an easy way to input or adjust values with the mouse !!!
The d3 brush is a complex piece of logic taking care of events and user feed-backs. Among other characterics it exposes a nice selection rectangle which can be used as a bar !!!
2D-brushes come in two flavors see official API v4 doc
A v4 update to mbostock's block: Difference Chart
This variation of a bivariate area chart uses clipping to alternate colors. When New York is warmer than San Francisco, the difference between the two is filled in green. When San Francisco is warmer, the difference is filled in red. A similar technique was used by William Playfair all the way back in 1786.
forked from mbostock's block: Difference Chart
forked from alexmacy's block: Difference Chart v4
This example has a modified drag function so that when you zoom in, you're still able to drag the circles to the correct mouse location. Here's an example of the drag problem.
forked from puzzler10's block: d3v4 - zoom and drag circles - drag adjusted for zoom
forked from Thanaporn-sk's block: d3v4 - zoom and drag circles - drag adjusted for zoom
Combining d3-brush and d3-zoom to implement Focus + Context. Another approach is to zoom to the brushed region.
forked from mbostock's block: Brush & Zoom
| license: mit |
| license: mit |
| license: mit |
| license: bsd-3-clause |
