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Dygraphs Coordinate Systems, 2/3

Update: 8:30AM Oct 4: to clarify several items.This is the second of three posts about the coordinate systems used throughout Dygraphs.Part 1: Introduction and the Dygraph Data Coordinate SystemPart 2:...

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Dygraphs Coordinate Systems, 3/3

This is the last of three posts about the coordinate systems used throughout Dygraphs.Part 1: Introduction and the Dygraph Data Coordinate SystemPart 2: DOM Coordinate SystemPart 3: Percentage...

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dygraphs 2011 year in review

It's been a big year for dygraphs!Looking back at the last 365 days in the commit log, there were 356 commits. A big "thank you" to everyone who contributed:danvk (207 commits)kberg (107 commits)nealie...

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New Developer Feature: easier localized testing

If you're developing for Dygraphs, then you should know that we like tests. We've currently got 93 automated tests in the github repository (found at auto_tests/tests) and built an automated test suite...

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New Dygraphs Toy: the Palette

Happy New Year! I've been working on this for the last few days and am super excited it's finally ready to show. If you've wanted to learn how Dygraphs options work, then this will probably excite you...

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Introducing the Dygraphs Gallery

I'd like to introduce you to the new Dygraphs Gallery, which can be found at http://dygraphs.com/gallery. We've taken some of the existing tests, cleaned them up a bit, and put them into a single...

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Preventing Dygraphs Memory Leaks

As a matter of cosmic history, it has always been easier to destroy than to create." - SpockSpock is the kind of guy who preferred C++ with its destructors (let alone multiple inheritance), and that...

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Custom lines, a new feature

A guest post by Russell Valentine.A new series option strokePattern has been added to Dygraphs. This option allows you to define the pattern Dygraphs draws for a particular series. No longer are we...

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New feature: custom points

I'm very excited about many of the new features coming to Dygraphs. Here's one that's available today: custom points via drawPointCallback and drawHighlightPointCallback.Dygraphs already provides a two...

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JavaScript and Dates, What a Mess!

We recently had a dygraphs regression where a date specified as "2012-03-13" would be displayed as "2012-03-12 20:00" when you hovered over it (or something else depending on your time zone).The...

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Swipe and pinch now work with Dygraphs!

Check it! Swipe and pinch now work with Dygraphs!Dan, inspired by his new iPad 3, did some weekend hacking and made pinch and zoom work in Dygraphs. This also worked on my Samsung Galaxy Nexus,...

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Testing from the Command Line with PhantomJS

I learned about the PhantomJS project recently and thought that it would be a good fit for dygraphs.Our current testing setup involves several steps:Start a jstd server from the command line.Visit the...

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How to download and parse data for Dygraphs

One of the best things about Dygraphs is its simplicity under one of the most common circumstances - reading and rendering a CSV file from the web. And most people who use Dygraphs don't really care...

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Canvas Adoption in Major Browsers

.dygraph-legend { left: 65px !important; border: 1px solid gray; width: 100px !important; padding: 5px; -moz-box-shadow: 2px 2px 2px #ccc; -webkit-box-shadow: 2px 2px 2px #ccc; box-shadow: 2px 2px 2px...

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Introducing Custom Plotters

Once you get your chart displaying with dygraphs, you'll want to customize its appearance.dygraphs includes a plethora of options for doing simple customization, e.g. colors, strokeWidth, drawPoints,...

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HTML5 Charting Tool Performance Comparison

Akram El Assas has written up a performance comparison of dygraphs and a few other HTML5 charting libraries over at CodeProject.dygraphs has always been written with large data sets in mind, and so it...

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Using the second y-axis

Short summary: Consider all the series you want on the right-side axis. Choose one as (for lack of a better term) the master series. For that series, add the option axis : {}. For the others, use axis...

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The New and Better Way to Specify Series and Axis Options

TL;DR: Put series inside the series option. If you want to put a series on the second y-axis, then inside that series specify axis : 'y2'. You can say that a series belongs on the first y-axis with...

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Dygraphs 2012 Year in Review

2012 was a busy year for Dygraphs.We had almost 400 commits over the year (with a month to go, no less.)  And something you'll notice is that this year we had a _huge_ number of external contributors....

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Changes to the Experimental Palette

Hey Dygraphers,I've been working on some bugs and features, and while at it, been pushing some nice new features into the experimental palette that makes it eminently more useful. Let's take a tour....

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Announcing dygraphs 1.0.0!

Today is a big day for dygraphs. With a controlled set of scripts and procedures, we are moving dygraphs to controlled releases, and with that, we’re proud to announce dygraphs version 1.0.0!While this...

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dygraphs as an NPM package

dygraphs is now available as an NPM package.NPM is the NodeJS package manager. It works well enough that it's used for all sorts of packaging, even when NodeJS isn't involved.To install dygraphs via...

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PyDyGraphs, a dygraphs plotting module for IPython Notebooks

(Guest post by Zach Dischner)PyDyGraphs on Github (mostly written by Kevin Dinkel)The IPython Notebook is an excellent tool for interacting with Python and displaying data in real time. While tools...

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dygraphs issues on GitHub

I've moved the dygraphs issue tracker from Google Code over to GitHub issues. The new issues link back to the old, though not vice versa.My hope is that moving to GitHub will increase community...

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dygraphs 1.1.0

Earlier this week I released dygraphs 1.1.0, a major new release which contains the last ~15 months of work. The dygraphs site is running it. You can learn more about hosted versions and installing it...

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