formatting numbers the easy way
August 23, 2014D3 has an awesome number formatting function that I discovered only after hacking my own. My first approach was to use string and array…
16 posts tagged with "d3"
line, spline
March 20, 2014D3 lines are rendered using linear interpolation by default. This means that the line connecting a series of points will trace a direct path…
delay chained transitions
March 15, 2014Changing an element using multiple, chained transitions requires a little troubleshooting. You would think that just chaining them one after…
easing does it
March 12, 2014With the possible exception of UFOs, things don’t usually switch from being stationary to moving at maximum velocity without an intervening…
the value of slow transitions
March 08, 2014The Why From Object Constancy by Mike Bostock: Animated transitions are pretty, but they also serve a purpose: they make it easier to follow…
transition with style
March 06, 2014Making things zoom across the page is what I used to think javascript was all about, but it wasn’t until I started learning d3 that I found…
fun with ticks
March 05, 2014D3 has an awesome tick library, which makes it easy to customize an axis. I have not found any evidence of a built in function to customize…
ordinal scale
March 04, 2014d3 nests and rollups
March 04, 2014D3 provides powerful functions for manipulating raw data sets, including csv(), nest(), and rollup(). I generated a hundred rows of test…
scaling d3
March 03, 2014Add scales to a d3 plot in three easy steps: 1. Define the scale 2. Draw the scale 3. Apply the scale to your data Awesome.
binding functions as data
February 27, 2014Primitives and object literals are not the only things you can bind to a D3 visualization. After all, aren’t javascript functions objects as…
d3 array functions
February 27, 2014D3 provides utility functions to perform common operations on Javascript arrays: min max extent (range) sum median mean sort quantile bisect
implied functions applied
February 26, 2014When binding a primitive datum to a node in a D3 visualization, the callback function can be implicitly called on the datum without the…
enter update exit
February 25, 2014D3 is a data visualization tool that uses method chaining to produce big pictures with little code. The selection library performs a full…
d3 is selective
February 21, 2014D3 uses the W3C standard selector library, and selection modifiers work on both single and multiple element selections, and will…
functional arguing
February 20, 2014The variable is a hidden parameter in javascript functions that contains all the arguments for the invocation in a pseudo-array (ie: it…