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|
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<title>RGraph: HTML5 Javascript charts library - Animation and visual effects</title>
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<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
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<a href="index.html">Documentation</a>
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Animation and visual effects
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<h1>RGraph: <span>HTML5 Javascript charts library</span> - Animation and visual effects</h1>
<ul>
<li><a href="#intro">Introduction</a></li>
<li><a href="#example.use">Example use</a></li>
<li><a href="#css.vs.canvas">CSS animation vs <canvas> animation</a></li>
<li><a href="#combining.effects">Combining effects</a></li>
<li><a href="#animate.function">The .Animate() function</a></li>
<li>
<a href="#available.effects">Available Effects</a>
<ul>
<li><a href="#fadein">Fade in</a></li>
<li><a href="#fadeout">Fade out</a></li>
<li><a href="#expand">Expand</a></li>
<li><a href="#snap">Snap</a></li>
<li><a href="#reveal">Reveal</a></li>
<li><a href="#hblinds.open">Horizontal blinds (open)</a></li>
<li><a href="#hblinds.close">Horizontal blinds (close)</a></li>
<li><a href="#vblinds.open">Vertical blinds (open)</a></li>
<li><a href="#vblinds.close">Vertical blinds (open)</a></li>
<li><a href="#pie.grow">Pie chart Grow</a></li>
<li><a href="#pie.implode">Pie chart Implode</a></li>
<li><a href="#pie.roundrobin">Pie chart RoundRobin</a></li>
<li><a href="#bar.grow">Bar chart Grow</a></li>
<li><a href="#fuel.grow">Fuel chart Grow</a></li>
<li><a href="#slideout">Slide out</a></li>
<li><a href="#slidein">Slide in</a></li>
<li><a href="#unfold">Line chart Unfold</a></li>
<li><a href="#unfoldfromcenter">Line chart UnfoldFromCenter</a></li>
<li><a href="#foldtocenter">Line chart FoldToCenter</a></li>
<li><a href="#line.trace">Line chart Trace</a></li>
<li><a href="#rose.grow">Rose chart Grow</a></li>
<li><a href="#odo.grow">Odometer Grow</a></li>
<li><a href="#meter.grow">Meter chart Grow</a></li>
<li><a href="#hbar.grow">HBar chart Grow</a></li>
<li><a href="#gauge.grow">Gauge chart Grow</a></li>
<li><a href="#radar.grow">Radar chart Grow</a></li>
<li><a href="#waterfall.grow">Waterfall chart Grow</a></li>
</ul>
</li>
<li><a href="animation_segments.html">An animated (interactive) Pie chart</a></li>
<li><a href="#things.to.note">Things to note</a></li>
</ul>
<a name="intro"></a>
<h3>Introduction</h3>
<p>
The animation and visual effects code is new to RGraph as of August 2011. It greatly simplifies the process of animating your
graphs or using visual effects.
</p>
<a name="example.use"></a>
<h3>Example use</h3>
<p>
To use the effects you simply change your call to the .Draw() method to the appropriate effect function, like this:
</p>
<pre class="code">
<script src="RGraph.common.core.js" ></script>
<script src="RGraph.line.js" ></script>
<span style="color: green"><script src="RGraph.common.effects.js" ></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js" ></script></span>
<script>
var myLine = new RGraph.Line('myLine', [14,13,16,18,14,12,11,14,19,18,17,18], [11,12,14,12,11,13,13,15,14,15,13,14]);
myLine.Set('chart.labels', ['Jane','Geoff','Lou','Pob','Verity','Baz','Hue','Olga','Pete','Lou','Kev','Fred']);
myLine.Set('chart.gutter.top', 35);
myLine.Set('chart.gutter.left', 40 );
myLine.Set('chart.gutter.right', 5);
myLine.Set('chart.gutter.bottom', 10);
<span style="color: gray">// myLine.Draw();</span>
<span style="color: green">RGraph.Effects.Fade.In(myLine);</span>
</script>
</pre>
<a name="css.vs.canvas"></a>
<h3>CSS animation vs <canvas> animation</h3>
<p>
CSS animation (which jQuery does) can be smoother than canvas animation (ie changing the CSS properties vs redrawing the
canvas). This is because CSS animation (ie changing the CSS properties) does not have the side
effect of clearing the canvas, and so does not incur a redraw.
</p>
<p>
An alternative to the widely known and understood <i>setTimeout()</i> function is the newer <i>requestAnimationFrame()</i>.
This is a function which has been optimised for animation compared to the standard setTimeout() function. Some of
the animation functions use this over the setTimeout() function and going forward newer animation functions will
use it. RGraph has a fallback though so that if the function isn't available the older setTimeout() will be used.
</p>
<a name="combining.effects"></a>
<h3>Combining effects</h3>
<p>
Some of the animation effects (ie those that work on separate aspects of the chart) can be combined. As an example the
Fade in/out can be combined with most other animation effects, allowing you to add a fade effect to the other animation
types. An example of this is below - this chart uses the Grow, Fade and Reveal effects.
</p>
<canvas id="cvs" width="600" height="250">[No canvas support]</canvas><br />
<script>
myBar = new RGraph.Bar('cvs', [[23,25, 27, 30], [30,25,29, 32], [27,28,35,33], [26,18,29,30], [31,20,25,27], [39,28,28,35], [27,29,28,29], [26,23,26,27], [30,20,19,21], [30,20,19,21], [30,20,19,21]]);
myBar.Set('chart.units.pre', '$');
myBar.Set('chart.title', 'Sales in the last 8 months');
myBar.Set('chart.title.vpos', 0.5);
myBar.Set('chart.colors', ['red', 'yellow', 'green', 'orange', 'gray']);
myBar.Set('chart.gutter.left', 40);
myBar.Set('chart.gutter.right', 5);
myBar.Set('chart.gutter.top', 40);
myBar.Set('chart.gutter.bottom', 50);
myBar.Set('chart.shadow', true);
myBar.Set('chart.shadow.color', '#bbb');
myBar.Set('chart.shadow.blur', 3);
myBar.Set('chart.background.myBarcolor1', 'white');
myBar.Set('chart.background.myBarcolor2', 'white');
myBar.Set('chart.background.grid.autofit', true);
myBar.Set('chart.grouping', 'stacked');
myBar.Set('chart.labels', ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September','October','November','December']);
myBar.Set('chart.labels.above', true);
myBar.Set('chart.key', ['Richard', 'Barry', 'Johnny', 'Frederick']);
myBar.Set('chart.key.background', 'rgba(255,255,255,0.7)');
myBar.Set('chart.key.position', 'gutter');
myBar.Set('chart.key.position.gutter.boxed', false);
myBar.Set('chart.key.position.y', myBar.Get('chart.gutter.top') - 15);
myBar.Set('chart.key.border', false);
myBar.Set('chart.background.grid.width', 1); // Decimals are permitted
myBar.Set('chart.text.angle', 35);
myBar.Set('chart.strokestyle', 'rgba(0,0,0,0)');
myBar.Set('chart.ymax', 150);
function ShowCombination(obj)
{
RGraph.Effects.Fade.In(obj);
RGraph.Effects.jQuery.Reveal(obj);
RGraph.Effects.Bar.Grow(obj);
}
</script>
<button onclick="ShowCombination(myBar)" style="width: 500px">Show Combining animations example</button>
<pre class="code">
<script>
function ShowCombination(obj)
{
RGraph.Effects.Fade.In(obj);
RGraph.Effects.jQuery.Reveal(obj);
RGraph.Effects.Bar.Grow(obj);
}
</script>
<button onclick="ShowCombination(myBar)">Show Combining animations example</button>
</pre>
<p>
There's another example of combined effects on the <a href="combine.html"><b>combined charts page</b></a>.
</p>
<a name="animate.function"></a>
<h3>The .Animate() function</h3>
<p>
The .Animate() function function is similar to the jQuery .Animate() function. You can pass it a map of RGraph
properties and their TARGET values and the .Animate() function will move the properties towards those values.
In this way you can animate a variety of RGraph properties. The .Animate() function takes two or three arguments:
</p>
<ul>
<li>The graph object</li>
<li>A map of the target chart properties</li>
<li>(Optional) A function object which is called when the animation is complete (it is passed the chart object)</li>
</ul>
<p>An example of it use is below. It should be used instead of calling the .Draw() method:</p>
<canvas id="animateCanvas" width="600" height="200">[No canvas support]</canvas><br />
<script>
animateObj = new RGraph.Bar('animateCanvas', [3,8,4,5,9,6,3,5,7,3]);
var grad = animateObj.context.createLinearGradient(0,25,0,300);
grad.addColorStop(0, 'white');
grad.addColorStop(1, 'blue');
animateObj.Set('chart.colors', [grad]);
animateObj.Set('chart.labels', ['Indigo','Kev','Per','Pete','Lou','Joe','Fred','Carol','Lisa','Jeff']);
animateObj.Set('chart.title', 'An example bar chart');
animateObj.Set('chart.hmargin', 27.5);
animateObj.Set('chart.tooltips', ['Indigo','Kev','Per','Pete','Lou','Joe','Fred','Carol','Lisa','Jeff']);
function myAnimateCallback ()
{
alert('A sample callback using the alert() function');
}
</script>
<button onclick="RGraph.Clear(animateObj.canvas);animateObj.Set('chart.hmargin', 27.5);RGraph.Effects.Animate(animateObj, {'chart.hmargin': 3}, myAnimateCallback);">Show example</button>
<pre class="code">
function myCallback (obj)
{
alert('A sample callback using the alert() function');
}
// myBar.Draw();
RGraph.Effects.Animate(myBar, {'chart.hmargin': 5, 'chart.gutter.left': 50}, myCallback);
</pre>
<a name="available.effects"></a>
<h3>Available effects</h3>
<p>
These are the effects available. You can achieve more effects by using the <a href="#animate.function">.Animate()</a> function,
which allows you to animate any numeric RGraph property.
</p>
<!------------------------------------------------------------------------------------------>
<div>
<a name="fadein"></a>
<h4>Fade in</h4>
<canvas id="myLine" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Fade.In(myLine);" style="width: 500px">Show Fade in effect</button>
<p />
A simple fade in effect where the canvas is initially drawn with an opacity of zero, increasing to one.
<pre class="code">RGraph.Effects.Fade.In(obj);</pre>
</div>
<script>
var data = [1,2,4,6,8,10,12,15,21,29,36,45];
var labels = ['Jan','Feb','Mar','Apr','May','jun','jul','Aug','Sep','Oct','Nov','Dec']
var myLine = new RGraph.Line('myLine', data);
myLine.Set('chart.gutter.top', 35);
myLine.Set('chart.gutter.left', 40 );
myLine.Set('chart.gutter.right', 5);
myLine.Set('chart.gutter.bottom', 25);
myLine.Set('chart.colors', ['red', 'black']);
myLine.Set('chart.units.post', '%');
myLine.Set('chart.tickmarks', null);
myLine.Set('chart.shadow', true);
myLine.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine.Set('chart.shadow.blur', 15);
myLine.Set('chart.shadow.color', '#f66');
myLine.Set('chart.linewidth', 1);
myLine.Set('chart.hmargin', 10);
myLine.Set('chart.background.grid.width', 1);
myLine.Set('chart.background.grid.color', '#ddd');
myLine.Set('chart.background.barcolor1', 'white');
myLine.Set('chart.background.barcolor2', 'white');
myLine.Set('chart.background.grid.autofit', true);
myLine.Set('chart.background.grid.autofit.numvlines', 12);
myLine.Set('chart.background.grid.autofit.numhlines', 5);
myLine.Set('chart.text.color', '#333');
myLine.Set('chart.noaxes', true);
myLine.Set('chart.text.font', 'Arial');
myLine.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="fadeout"></a>
<h4>Fade out</h4>
<canvas id="myLine2" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Fade.Out(myLine2);" style="width: 500px">Show Fade out effect</button>
<p />
A simple fade out effect to accompany the fade in, where the canvas initially has an opacity of one, decreasing
to zero.
<pre class="code">RGraph.Effects.Fade.Out(obj);</pre>
</div>
<script>
var myLine2 = new RGraph.Line('myLine2', data);
myLine2.Set('chart.gutter.top', 35);
myLine2.Set('chart.gutter.left', 40 );
myLine2.Set('chart.gutter.right', 5);
myLine2.Set('chart.gutter.bottom', 25);
myLine2.Set('chart.colors', ['red', 'black']);
myLine2.Set('chart.units.post', '%');
myLine2.Set('chart.tickmarks', null);
myLine2.Set('chart.shadow', true);
myLine2.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine2.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine2.Set('chart.shadow.blur', 15);
myLine2.Set('chart.shadow.color', '#f66');
myLine2.Set('chart.linewidth', 1);
myLine2.Set('chart.hmargin', 10);
myLine2.Set('chart.background.grid.width', 1);
myLine2.Set('chart.background.grid.color', '#ddd');
myLine2.Set('chart.background.barcolor1', 'white');
myLine2.Set('chart.background.barcolor2', 'white');
myLine2.Set('chart.background.grid.autofit', true);
myLine2.Set('chart.background.grid.autofit.numvlines', 12);
myLine2.Set('chart.background.grid.autofit.numhlines', 5);
myLine2.Set('chart.text.color', '#333');
myLine2.Set('chart.noaxes', true);
myLine2.Set('chart.text.font', 'Arial');
myLine2.Set('chart.labels', labels);
myLine2.Draw();
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="expand"></a>
<h4>Expand</h4>
<canvas id="myLine3" width="480" height="150" style="float: left">[No canvas support]</canvas>
<br clear="all" />
<button onclick="RGraph.Effects.jQuery.Expand(myLine3)" style="width: 500px">Show Expand effect</button>
<p />
This effect starts initially with the canvases CSS width and height set to 0 and over a period of half a second
increases them to 100%.
<pre class="code">RGraph.Effects.jQuery.Expand(obj);</pre>
</div>
<script>
var myLine3 = new RGraph.Line('myLine3', data);
myLine3.Set('chart.gutter.top', 35);
myLine3.Set('chart.gutter.left', 40 );
myLine3.Set('chart.gutter.right', 5);
myLine3.Set('chart.gutter.bottom', 25);
myLine3.Set('chart.colors', ['red', 'black']);
myLine3.Set('chart.units.post', '%');
myLine3.Set('chart.tickmarks', null);
myLine3.Set('chart.shadow', true);
myLine3.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine3.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine3.Set('chart.shadow.blur', 15);
myLine3.Set('chart.shadow.color', '#f66');
myLine3.Set('chart.linewidth', 1);
myLine3.Set('chart.hmargin', 10);
myLine3.Set('chart.background.grid.width', 1);
myLine3.Set('chart.background.grid.color', '#ddd');
myLine3.Set('chart.background.barcolor1', 'white');
myLine3.Set('chart.background.barcolor2', 'white');
myLine3.Set('chart.background.grid.autofit', true);
myLine3.Set('chart.background.grid.autofit.numvlines', 12);
myLine3.Set('chart.background.grid.autofit.numhlines', 5);
myLine3.Set('chart.text.color', '#333');
myLine3.Set('chart.noaxes', true);
myLine3.Set('chart.text.font', 'Arial');
myLine3.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="snap"></a>
<h4>Snap</h4>
<canvas id="myLine4" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.Snap(myLine4);">Show Snap effect</button>
<p />
This effect is similar to the tooltip effect "snap" in that it "snaps" to the correct position,
moving in from the top left.
<pre class="code">RGraph.Effects.jQuery.Snap(obj);</pre>
</div>
<script>
var myLine4 = new RGraph.Line('myLine4', data);
myLine4.Set('chart.gutter.top', 35);
myLine4.Set('chart.gutter.left', 40 );
myLine4.Set('chart.gutter.right', 5);
myLine4.Set('chart.gutter.bottom', 25);
myLine4.Set('chart.colors', ['red', 'black']);
myLine4.Set('chart.units.post', '%');
myLine4.Set('chart.tickmarks', null);
myLine4.Set('chart.shadow', true);
myLine4.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine4.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine4.Set('chart.shadow.blur', 15);
myLine4.Set('chart.shadow.color', '#f66');
myLine4.Set('chart.linewidth', 1);
myLine4.Set('chart.hmargin', 10);
myLine4.Set('chart.background.grid.width', 1);
myLine4.Set('chart.background.grid.color', '#ddd');
myLine4.Set('chart.background.barcolor1', 'white');
myLine4.Set('chart.background.barcolor2', 'white');
myLine4.Set('chart.background.grid.autofit', true);
myLine4.Set('chart.background.grid.autofit.numvlines', 12);
myLine4.Set('chart.background.grid.autofit.numhlines', 5);
myLine4.Set('chart.text.color', '#333');
myLine4.Set('chart.noaxes', true);
myLine4.Set('chart.text.font', 'Arial');
myLine4.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="reveal"></a>
<h4>Reveal</h4>
<canvas id="myLine5" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.Reveal(myLine5);">Show Reveal effect</button>
<p />
This effect starts with the the canvas covered and is slowly revealed from the center outwards. The canvas
is at all times the same size (ie it's not resizd as with the Expand effect).
<pre class="code">RGraph.Effects.jQuery.Reveal(obj);</pre>
</div>
<script>
var myLine5 = new RGraph.Line('myLine5', data);
myLine5.Set('chart.gutter.top', 35);
myLine5.Set('chart.gutter.left', 40 );
myLine5.Set('chart.gutter.right', 5);
myLine5.Set('chart.gutter.bottom', 25);
myLine5.Set('chart.colors', ['red', 'black']);
myLine5.Set('chart.units.post', '%');
myLine5.Set('chart.tickmarks', null);
myLine5.Set('chart.shadow', true);
myLine5.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine5.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine5.Set('chart.shadow.blur', 15);
myLine5.Set('chart.shadow.color', '#f66');
myLine5.Set('chart.linewidth', 1);
myLine5.Set('chart.hmargin', 10);
myLine5.Set('chart.background.grid.width', 1);
myLine5.Set('chart.background.grid.color', '#ddd');
myLine5.Set('chart.background.barcolor1', 'white');
myLine5.Set('chart.background.barcolor2', 'white');
myLine5.Set('chart.background.grid.autofit', true);
myLine5.Set('chart.background.grid.autofit.numvlines', 12);
myLine5.Set('chart.background.grid.autofit.numhlines', 5);
myLine5.Set('chart.text.color', '#333');
myLine5.Set('chart.noaxes', true);
myLine5.Set('chart.text.font', 'Arial');
myLine5.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="hblinds.open"></a>
<h4>Horizontal Blinds (open)</h4>
<canvas id="myLine6" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.HBlinds.Open(myLine6)">Show horizontal blinds (open) effect</button>
<p />
This effect gradually reveals the canvas by "opening some horizontal blinds", which are positioned
over the canvas.
<pre class="code">RGraph.Effects.jQuery.Blinds.Open(obj);</pre>
</div>
<script>
var myLine6 = new RGraph.Line('myLine6', data);
myLine6.Set('chart.gutter.top', 35);
myLine6.Set('chart.gutter.left', 40 );
myLine6.Set('chart.gutter.right', 5);
myLine6.Set('chart.gutter.bottom', 25);
myLine6.Set('chart.colors', ['red', 'black']);
myLine6.Set('chart.units.post', '%');
myLine6.Set('chart.tickmarks', null);
myLine6.Set('chart.shadow', true);
myLine6.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine6.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine6.Set('chart.shadow.blur', 15);
myLine6.Set('chart.shadow.color', '#f66');
myLine6.Set('chart.linewidth', 1);
myLine6.Set('chart.hmargin', 10);
myLine6.Set('chart.background.grid.width', 1);
myLine6.Set('chart.background.grid.color', '#ddd');
myLine6.Set('chart.background.barcolor1', 'white');
myLine6.Set('chart.background.barcolor2', 'white');
myLine6.Set('chart.background.grid.autofit', true);
myLine6.Set('chart.background.grid.autofit.numvlines', 12);
myLine6.Set('chart.background.grid.autofit.numhlines', 5);
myLine6.Set('chart.text.color', '#333');
myLine6.Set('chart.noaxes', true);
myLine6.Set('chart.text.font', 'Arial');
myLine6.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="hblinds.close"></a>
<h4>Horizontal Blinds (close)</h4>
<canvas id="myLine7" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.HBlinds.Close(myLine7);">Show horizonatal blinds (Close) effect</button>
<p />
This effect gradually conceals the canvas by "closing some horizontal blinds", which are positioned
over the canvas.
<pre class="code">RGraph.Effects.jQuery.HBlinds.Close(obj);</pre>
</div>
<script>
var myLine7 = new RGraph.Line('myLine7', data);
myLine7.Set('chart.gutter.top', 35);
myLine7.Set('chart.gutter.left', 40 );
myLine7.Set('chart.gutter.right', 5);
myLine7.Set('chart.gutter.bottom', 25);
myLine7.Set('chart.colors', ['red', 'black']);
myLine7.Set('chart.units.post', '%');
myLine7.Set('chart.tickmarks', null);
myLine7.Set('chart.shadow', true);
myLine7.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine7.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine7.Set('chart.shadow.blur', 15);
myLine7.Set('chart.shadow.color', '#f66');
myLine7.Set('chart.linewidth', 1);
myLine7.Set('chart.hmargin', 10);
myLine7.Set('chart.background.grid.width', 1);
myLine7.Set('chart.background.grid.color', '#ddd');
myLine7.Set('chart.background.barcolor1', 'white');
myLine7.Set('chart.background.barcolor2', 'white');
myLine7.Set('chart.background.grid.autofit', true);
myLine7.Set('chart.background.grid.autofit.numvlines', 12);
myLine7.Set('chart.background.grid.autofit.numhlines', 5);
myLine7.Set('chart.text.color', '#333');
myLine7.Set('chart.noaxes', true);
myLine7.Set('chart.text.font', 'Arial');
myLine7.Set('chart.labels', labels);
myLine7.Draw();
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="vblinds.open"></a>
<h4>Vertical Blinds (open)</h4>
<canvas id="myLine8" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.VBlinds.Open(myLine8);"">Show vertical blinds (Open) effect</button>
<p />
This effect gradually reveals the canvas by "opening some vertical blinds", which are positioned
over the canvas.
<pre class="code">RGraph.Effects.jQuery.VBlinds.Open(obj);</pre>
</div>
<script>
var myLine8 = new RGraph.Line('myLine8', data);
myLine8.Set('chart.gutter.top', 35);
myLine8.Set('chart.gutter.left', 40 );
myLine8.Set('chart.gutter.right', 5);
myLine8.Set('chart.gutter.bottom', 25);
myLine8.Set('chart.colors', ['red', 'black']);
myLine8.Set('chart.units.post', '%');
myLine8.Set('chart.tickmarks', null);
myLine8.Set('chart.shadow', true);
myLine8.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine8.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine8.Set('chart.shadow.blur', 15);
myLine8.Set('chart.shadow.color', '#f66');
myLine8.Set('chart.linewidth', 1);
myLine8.Set('chart.hmargin', 10);
myLine8.Set('chart.background.grid.width', 1);
myLine8.Set('chart.background.grid.color', '#ddd');
myLine8.Set('chart.background.barcolor1', 'white');
myLine8.Set('chart.background.barcolor2', 'white');
myLine8.Set('chart.background.grid.autofit', true);
myLine8.Set('chart.background.grid.autofit.numvlines', 12);
myLine8.Set('chart.background.grid.autofit.numhlines', 5);
myLine8.Set('chart.text.color', '#333');
myLine8.Set('chart.noaxes', true);
myLine8.Set('chart.text.font', 'Arial');
myLine8.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="vblinds.close"></a>
<h4>Vertical Blinds (Close)</h4>
<canvas id="myLine9" width="480" height="150">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.VBlinds.Close(myLine9, {remove: true});">Show vertical blinds (close) effect</button>
<p />
This effect gradually conceals the canvas by "closing some vertical blinds", which are positioned
over the canvas.
<pre class="code">RGraph.Effects.jQuery.VBlinds.Close(obj);</pre>
</div>
<script>
var myLine9 = new RGraph.Line('myLine9', data);
myLine9.Set('chart.gutter.top', 35);
myLine9.Set('chart.gutter.left', 40 );
myLine9.Set('chart.gutter.right', 5);
myLine9.Set('chart.gutter.bottom', 25);
myLine9.Set('chart.colors', ['red', 'black']);
myLine9.Set('chart.units.post', '%');
myLine9.Set('chart.tickmarks', null);
myLine9.Set('chart.shadow', true);
myLine9.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine9.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine9.Set('chart.shadow.blur', 15);
myLine9.Set('chart.shadow.color', '#f66');
myLine9.Set('chart.linewidth', 1);
myLine9.Set('chart.hmargin', 10);
myLine9.Set('chart.background.grid.width', 1);
myLine9.Set('chart.background.grid.color', '#ddd');
myLine9.Set('chart.background.barcolor1', 'white');
myLine9.Set('chart.background.barcolor2', 'white');
myLine9.Set('chart.background.grid.autofit', true);
myLine9.Set('chart.background.grid.autofit.numvlines', 12);
myLine9.Set('chart.background.grid.autofit.numhlines', 5);
myLine9.Set('chart.text.color', '#333');
myLine9.Set('chart.noaxes', true);
myLine9.Set('chart.text.font', 'Arial');
myLine9.Set('chart.labels', labels);
myLine9.Draw();
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="pie.grow"></a>
<h4>Pie chart Grow</h4>
<canvas id="myPie" width="400" height="300">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Pie.Grow(myPie);">Show Pie chart Grow effect</button>
<p />
This effect gradually increases the radius of the Pie chart, expanding out from the centre.
<pre class="code">RGraph.Effects.Pie.Grow(obj);</pre>
</div>
<script>
var myPie = new RGraph.Pie('myPie', [2,3,6,4,45]);
myPie.Set('chart.shadow', true);
myPie.Set('chart.shadow.offsetx', 0);
myPie.Set('chart.shadow.offsety', 0);
myPie.Set('chart.shadow.blur', 15);
myPie.Set('chart.strokestyle', 'white');
myPie.Set('chart.linewidth', 2);
myPie.Set('chart.exploded', [0,0,0,25,25]);
myPie.Set('chart.labels', ['Rod','Jane','Todd','Mark','Freddy']);
myPie.Set('chart.tooltips', ['Rod','Jane','Tod','Mark','Freddy']);
myPie.Set('chart.highlight.style', '2d');
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="pie.implode"></a>
<h4>Pie chart Implode</h4>
<canvas id="myPie2" width="400" height="300">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Pie.Implode(myPie2);">Show Pie chart Implode effect</button>
<p />
This effect gradually decreases the explosion of the chart - gradually bringing it together. Combined with
the RoundRobin effect (documented below) produces a nice combination, as seen on the frony page of this website.
<pre class="code">
RGraph.Effects.Pie.Implode(obj);
//RGraph.Effects.Pie.RoundRobin(obj);
</pre>
</div>
<script>
var myPie2 = new RGraph.Pie('myPie2', [2,3,6,4,45]);
myPie2.Set('chart.shadow', true);
myPie2.Set('chart.shadow.offsetx', 0);
myPie2.Set('chart.shadow.offsety', 0);
myPie2.Set('chart.shadow.blur', 15);
myPie2.Set('chart.strokestyle', 'white');
myPie2.Set('chart.linewidth', 2);
myPie2.Set('chart.labels', ['Rod','Jane','Todd','Mark','Freddy']);
myPie2.Set('chart.tooltips', ['Rod','Jane','Tod','Mark','Freddy']);
myPie2.Set('chart.highlight.style', '2d');
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="pie.roundrobin"></a>
<h4>Pie chart RoundRobin</h4>
<canvas id="myPie3" width="400" height="300">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Pie.RoundRobin(myPie3)">Show Pie chart RoundRobin effect</button>
<p />
This effect gradually increase both the circular size of the Pie chart and also the radius. Combining this effect
with the implode effect produces a nice effect.
<pre class="code">
RGraph.Effects.Pie.RoundRobin(obj);
//RGraph.Effects.Pie.Implode(obj);
</pre>
</div>
<script>
var myPie3 = new RGraph.Pie('myPie3', [2,3,6,4,45]);
myPie3.Set('chart.shadow', true);
myPie3.Set('chart.shadow.offsetx', 0);
myPie3.Set('chart.shadow.offsety', 0);
myPie3.Set('chart.shadow.blur', 15);
myPie3.Set('chart.strokestyle', 'white');
myPie3.Set('chart.linewidth', 2);
myPie3.Set('chart.labels', ['Rod','Jane','Todd','Mark','Freddy']);
myPie3.Set('chart.tooltips', ['Rod','Jane','Tod','Mark','Freddy']);
myPie3.Set('chart.highlight.style', '2d');
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="bar.grow"></a>
<h4>Bar chart Grow</h4>
<canvas id="myBar" width="600" height="200">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Bar.Grow(bar);">Show Bar chart Grow effect</button>
<p />
This effect gradually increases the size of the bars on the bar chart until they are at full size.
<pre class="code">RGraph.Effects.Bar.Grow(obj);</pre>
</div>
<script>
var bar = new RGraph.Bar('myBar', [45,53,56,64,76,78,79,81,45,43]);
var grad = bar.context.createLinearGradient(0,0,0,200);
grad.addColorStop(0, 'red');
grad.addColorStop(1, 'white');
bar.Set('chart.labels', ['John','Fred','Lou','Youseff','Kev','Pete','Hoolio','Nevil','Jobe','Ray']);
bar.Set('chart.ymax', 85); // Stops the scale changing
bar.Set('chart.shadow', true);
bar.Set('chart.shadow.offsetx', 0);
bar.Set('chart.shadow.offsety', 0);
bar.Set('chart.shadow.color', '#ccc');
bar.Set('chart.shadow.blur', 15);
bar.Set('chart.colors', [grad]);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="fuel.grow"></a>
<h4>Fuel chart Grow</h4>
<canvas id="myFuel" width="200" height="200">[No canvas support]</canvas><br />
<button onclick="drawFuel()">Show Fuel chart Grow effect</button>
<p />
This effect gradually increases the indicated value until it reaches the correct value.
<pre class="code">RGraph.Effects.Fuel.Grow(obj);</pre>
</div>
<script>
function drawFuel ()
{
var fuel = new RGraph.Fuel('myFuel', 0, 100, 67);
RGraph.Effects.Fuel.Grow(fuel);
}
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="slideout"></a>
<h4>Slide out</h4>
<canvas id="myLine10" width="600" height="200">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.Slide.Out(myLine10, {'direction':'left'});">Show slide out effect</button>
<p />
This effect slides the whole canvas out. One potential use would be to slide the canvas out and then
slide another canvas with a different chart in. You can specify that the canvas slides out to by using the second
argument as shown below.
<pre class="code">RGraph.Effects.jQuery.Slide.Out(obj, {'direction': 'bottom'});</pre>
</div>
<script>
var data = [1,2,4,6,8,10,12,15,21,29,36,45];
var labels = ['Jan','Feb','Mar','Apr','May','jun','jul','Aug','Sep','Oct','Nov','Dec']
var myLine10 = new RGraph.Line('myLine10', data);
myLine10.Set('chart.gutter.top', 35);
myLine10.Set('chart.gutter.left', 40 );
myLine10.Set('chart.gutter.right', 5);
myLine10.Set('chart.gutter.bottom', 25);
myLine10.Set('chart.colors', ['red', 'black']);
myLine10.Set('chart.units.post', '%');
myLine10.Set('chart.tickmarks', null);
myLine10.Set('chart.shadow', true);
myLine10.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine10.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine10.Set('chart.shadow.blur', 15);
myLine10.Set('chart.shadow.color', '#f66');
myLine10.Set('chart.linewidth', 1);
myLine10.Set('chart.hmargin', 10);
myLine10.Set('chart.background.grid.width', 1);
myLine10.Set('chart.background.grid.color', '#ddd');
myLine10.Set('chart.background.barcolor1', 'white');
myLine10.Set('chart.background.barcolor2', 'white');
myLine10.Set('chart.background.grid.autofit', true);
myLine10.Set('chart.background.grid.autofit.numvlines', 12);
myLine10.Set('chart.background.grid.autofit.numhlines', 5);
myLine10.Set('chart.text.color', '#333');
myLine10.Set('chart.noaxes', true);
myLine10.Set('chart.text.font', 'Arial');
myLine10.Set('chart.labels', labels);
myLine10.Draw();
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="slidein"></a>
<h4>Slide in</h4>
<canvas id="myLine11" width="600" height="200">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.jQuery.Slide.In(myLine11, {'direction':'right'})">Show slide in effect</button>
<p />
This effect slides the whole canvas in. As mentioned above you could this effect with the Slinde Out effect to
create a slideshow.
<pre class="code">RGraph.Effects.jQuery.Slide.In(obj, {'direction': 'right'});</pre>
</div>
<script>
var data = [1,2,4,6,8,10,12,15,21,29,36,45];
var labels = ['Jan','Feb','Mar','Apr','May','jun','jul','Aug','Sep','Oct','Nov','Dec']
var myLine11 = new RGraph.Line('myLine11', data);
myLine11.Set('chart.gutter.top', 35);
myLine11.Set('chart.gutter.left', 40 );
myLine11.Set('chart.gutter.right', 5);
myLine11.Set('chart.gutter.bottom', 25);
myLine11.Set('chart.colors', ['red', 'black']);
myLine11.Set('chart.units.post', '%');
myLine11.Set('chart.tickmarks', null);
myLine11.Set('chart.shadow', true);
myLine11.Set('chart.shadow.offsety', RGraph.isIE8() ? 3 : 0);
myLine11.Set('chart.shadow.offsetx', RGraph.isIE8() ? 3 : 0);
myLine11.Set('chart.shadow.blur', 15);
myLine11.Set('chart.shadow.color', '#f66');
myLine11.Set('chart.linewidth', 1);
myLine11.Set('chart.hmargin', 10);
myLine11.Set('chart.background.grid.width', 1);
myLine11.Set('chart.background.grid.color', '#ddd');
myLine11.Set('chart.background.barcolor1', 'white');
myLine11.Set('chart.background.barcolor2', 'white');
myLine11.Set('chart.background.grid.autofit', true);
myLine11.Set('chart.background.grid.autofit.numvlines', 12);
myLine11.Set('chart.background.grid.autofit.numhlines', 5);
myLine11.Set('chart.text.color', '#333');
myLine11.Set('chart.noaxes', true);
myLine11.Set('chart.text.font', 'Arial');
myLine11.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="unfold"></a>
<h4>Unfold</h4>
<canvas id="myLine12" width="600" height="200">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Line.Unfold(myLine12)">Show Line chart Unfold effect</button>
<p />
This effect "unfolds" the line from the origin, gradually increasing the X (and/or Y) values. There's also an example
of a combined Bar/Line chart with the Bar chart Grow, the Fade and the Line chart Unfold effects on the
<a href="combine.html"><b>combined charts page</b></a>.
<pre class="code">RGraph.Effects.Line.Unfold(obj);</pre>
</div>
<script>
var data = [43,54,35,36,40,12,26,34];
var labels = ['Jan','Feb','Mar','Apr','May','jun','jul','Aug','Sep','Oct','Nov','Dec']
var myLine12 = new RGraph.Line('myLine12', data);
myLine12.Set('chart.gutter.top', 35);
myLine12.Set('chart.gutter.left', 40 );
myLine12.Set('chart.gutter.right', 5);
myLine12.Set('chart.gutter.bottom', 25);
myLine12.Set('chart.colors', ['red', 'black']);
myLine12.Set('chart.units.post', '%');
myLine12.Set('chart.tickmarks', null);
myLine12.Set('chart.shadow', true);
myLine12.Set('chart.shadow.offsety', 2);
myLine12.Set('chart.shadow.offsetx', 2);
myLine12.Set('chart.shadow.blur', 0);
myLine12.Set('chart.shadow.color', '#999');
myLine12.Set('chart.linewidth', 2);
myLine12.Set('chart.hmargin', 10);
myLine12.Set('chart.background.grid.width', 1);
myLine12.Set('chart.background.grid.color', '#ddd');
myLine12.Set('chart.background.barcolor1', 'white');
myLine12.Set('chart.background.barcolor2', 'white');
myLine12.Set('chart.background.grid.autofit', true);
myLine12.Set('chart.background.grid.autofit.numvlines', 12);
myLine12.Set('chart.background.grid.autofit.numhlines', 5);
myLine12.Set('chart.text.color', '#333');
myLine12.Set('chart.noaxes', true);
myLine12.Set('chart.text.font', 'Arial');
myLine12.Set('chart.labels', labels);
myLine12.Set('chart.animation.unfold.x', true);
myLine12.Set('chart.animation.unfold.y',true);
myLine12.Set('chart.animation.unfold.initial',0); // Default is 2
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="unfoldfromcenter"></a>
<h4>UnfoldFromCenter</h4>
<canvas id="myLine13" width="600" height="200">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Line.UnfoldFromCenter(myLine13)">Show Line chart UnfoldFromCenter effect</button>
<p />
This effect "unfolds" the line from the <b>center</b>, gradually increasing or decreasing the Y values as appropriate.
<pre class="code">RGraph.Effects.Line.UnfoldFromCenter(obj);</pre>
</div>
<script>
var data = [1,3,5,10,10,8,7,6,9,8,4,7,4,2,3,4];
var labels = ['Jan','Feb','Mar','Apr','May','jun','jul','Aug','Sep','Oct','Nov','Dec']
var myLine13 = new RGraph.Line('myLine13', data);
myLine13.Set('chart.gutter.top', 35);
myLine13.Set('chart.gutter.left', 40 );
myLine13.Set('chart.gutter.right', 5);
myLine13.Set('chart.gutter.bottom', 25);
myLine13.Set('chart.colors', ['red', 'black']);
myLine13.Set('chart.units.post', '%');
myLine13.Set('chart.tickmarks', null);
myLine13.Set('chart.shadow', true);
myLine13.Set('chart.shadow.offsety', 2);
myLine13.Set('chart.shadow.offsetx', 2);
myLine13.Set('chart.shadow.blur', 3);
myLine13.Set('chart.shadow.color', '#999');
myLine13.Set('chart.linewidth', 2);
myLine13.Set('chart.hmargin', 10);
myLine13.Set('chart.background.grid.width', 1);
myLine13.Set('chart.background.grid.color', '#ddd');
myLine13.Set('chart.background.barcolor1', 'white');
myLine13.Set('chart.background.barcolor2', 'white');
myLine13.Set('chart.background.grid.autofit', true);
myLine13.Set('chart.background.grid.autofit.numvlines', 12);
myLine13.Set('chart.background.grid.autofit.numhlines', 5);
myLine13.Set('chart.text.color', '#333');
myLine13.Set('chart.noaxes', true);
myLine13.Set('chart.text.font', 'Arial');
myLine13.Set('chart.labels', labels);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="foldtocenter"></a>
<h4>FoldTocenter</h4>
<canvas id="myc" width="600" height="200">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Line.FoldToCenter(myLinef2c)">Show Line chart FoldTromCenter effect</button>
<p />
This effect "folds" the line to the <b>center</b>, gradually increasing or decreasing the Y values as appropriate. In
effect the opposite of the "unfold" effect.
<pre class="code">RGraph.Effects.Line.FoldToCenter(obj);</pre>
</div>
<script>
data = [
[1,3,5,10,10,8,7,6,9,8,4,7,4,2,3,4],
[4,5,8,6,4,3,9,8,7,5,4,6,5,4,8,9]
];
labels = ['Jan','Feb','Mar','Apr','May','jun','jul','Aug','Sep','Oct','Nov','Dec']
myLinef2c = new RGraph.Line('myc', data);
myLinef2c.Set('chart.hmargin', 10);
myLinef2c.Set('chart.tickmarks', 'endcircle');
myLinef2c.Set('chart.shadow', true);
myLinef2c.Set('chart.linewidth', 3);
myLinef2c.Set('chart.labels', labels);
myLinef2c.Set('chart.units.post', '%');
myLinef2c.Set('chart.shadow', true);
myLinef2c.Set('chart.shadow.offsety', 2);
myLinef2c.Set('chart.shadow.offsetx', 2);
myLinef2c.Set('chart.shadow.blur', 3);
myLinef2c.Set('chart.shadow.color', '#999');
myLinef2c.Set('chart.gutter.left', 35);
myLinef2c.Draw();
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="line.trace"></a>
<h4>Line chart Trace</h4>
<canvas id="myLine14" width="600" height="200">[No canvas support]</canvas><br />
<button onclick="RGraph.Clear(myLine14.canvas);RGraph.Effects.Line.jQuery.Trace(myLine14)">Show Line chart Trace effect</button>
<p />
This effect gradually traces the line across the chart - slowly revealing it in full. Not all Line chart options
(eg filled charts) work with this effect.
<pre class="code">RGraph.Effects.Line.jQuery.Trace(myLine14);</pre>
</div>
<script>
var data1 = [1,3,5,10,10,8,7,6,9,8,4,7];
var data2 = [4,6,5,9,8,4,8,6,1,2,3,4];
var labels = ['Jan','Feb','Mar','Apr','May','jun','jul','Aug','Sep','Oct','Nov','Dec'];
myLine14 = new RGraph.Line('myLine14', [data1, data2]);
myLine14.Set('chart.labels', labels);
myLine14.Set('chart.tooltips', labels);
myLine14.Set('chart.hmargin', 10);
myLine14.Set('chart.linewidth', 3);
myLine14.Set('chart.filled', true);
myLine14.Set('chart.fillstyle', ['red', 'pink']);
myLine14.Set('chart.colors', ['black', 'black']);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="rose.grow"></a>
<h4>Rose chart Grow</h4>
<canvas id="myRose" width="350" height="350">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Rose.Grow(myRose)">Show Rose chart Grow effect</button>
<p />
This effect gradually increases the radius and the radius of each segment. It is not available with
<i>non-equi-angular</i> Rose charts.
<pre class="code">RGraph.Effects.Rose.Grow(obj);</pre>
</div>
<script>
var myRose = new RGraph.Rose('myRose', [[12,15,13],[13,16,19],[19,12,16],[20,21,24],[22,23,26]]);
myRose.Set('chart.tooltips', [
'John','Fred','Kev',
'John','Fred','Kev',
'John','Fred','Kev',
'John','Fred','Kev',
'John','Fred','Kev'
]);
myRose.Set('chart.colors.alpha', 0.5);
myRose.Set('chart.margin', 5);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="odo.grow"></a>
<h4>Odometer Grow</h4>
<canvas id="myOdo" width="350" height="350">[No canvas support]</canvas><br />
<button onclick="myOdo.value = RGraph.random(0, 360);RGraph.Effects.Odo.Grow(myOdo); event.cancelBubble = true; return false">Show Odo chart Grow effect</button>
<p />
This effect gradually increase the value of the Odometer until it reaches the desired value. The second
argument is not used, but the third can be a Javascript function and will be called when the animation
is finished.
<pre class="code">RGraph.Effects.Odo.Grow(obj, null, myFunc);</pre>
</div>
<script>
var myOdo = new RGraph.Odometer('myOdo', 0, 360, 95);
myOdo.Set('chart.needle.color', 'black');
myOdo.Set('chart.needle.tail', false);
myOdo.Set('chart.label.area', 35);
myOdo.Set('chart.border', RGraph.isIE8() ? false : true);
myOdo.Set('chart.title.vpos', 0.3);
myOdo.Set('chart.labels', ['N','NE','E','SE','S','SW','W','NW']);
myOdo.Set('chart.red.min', 360);
myOdo.Set('chart.red.color', 'gray');
myOdo.Set('chart.value.text', true);
myOdo.Set('chart.value.text.decimals', 0);
myOdo.Set('chart.value.units.post', '�');
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="meter.grow"></a>
<h4>Meter Grow</h4>
<canvas id="myMeter" width="450" height="250">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.Meter.Grow(meter, {'frames': 60});">Show Meter chart Grow effect</button>
<p />
This effect gradually increases the value of the Meter until it reaches the desired value. You can optionally specify an object map
as the second argument of which the only option is <i>frames</i> - allowing to specify the number of frames in the animation.
More frames = longer animation. The animation is set to use a frame rate of roughly 60 frames a second.
<pre class="code">RGraph.Effects.Meter.Grow(obj, {'frames': 90});</pre>
</div>
<script>
var meter = new RGraph.Meter('myMeter', 0, 10, 5);
meter.Set('chart.units.post', 'kg');
meter.Set('chart.red.start', 0);
meter.Set('chart.red.end', 3);
meter.Set('chart.yellow.start', 3);
meter.Set('chart.yellow.end', 6);
meter.Set('chart.green.start', 6);
meter.Set('chart.green.end', 10);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="hbar.grow"></a>
<h4>HBar Grow</h4>
<canvas id="myHbar" width="450" height="250">[No canvas support]</canvas><br />
<button onclick="RGraph.Effects.HBar.Grow(hbar); RGraph.Effects.Fade.In(hbar);">Show HBar chart Grow effect</button>
<p />
This effect gradually increase the values of the HBar until it reaches the desired value.
<pre class="code">RGraph.Effects.HBar.Grow(obj);</pre>
</div>
<script>
var hbar = new RGraph.HBar('myHbar', [[43,45],[85,4],[46, 34],[52, 12],[62, 35],[63, 24],[45, 41]]);
hbar.Set('chart.grouping', 'stacked');
hbar.Set('chart.shadow', true);
hbar.Set('chart.shadow.color', '#ccc');
hbar.Set('chart.shadow.offsetx', 0);
hbar.Set('chart.shadow.offsety', 0);
hbar.Set('chart.shadow.blur', 15);
hbar.Set('chart.labels', ['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday']);
hbar.Set('chart.gutter.left', 100);
hbar.Set('chart.strokestyle', 'rgba(0,0,0,0)');
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="gauge.grow"></a>
<h4>Gauge Grow</h4>
<canvas id="myGauge" width="450" height="250">[No canvas support]</canvas><br />
<button onclick="RGraph.Clear(myGauge.canvas);myGauge.value = RGraph.random(50,100);RGraph.Effects.Gauge.Grow(myGauge);">Show Gauge chart Grow effect</button>
<p />
This effect gradually increases the indicated value until it is correct. It's also shown on the
<a href="../examples/gauge.html">Gauge chart example page</a>. By constantly updating the Gauge (with some AJAX
for example) you could make a control panel of sorts.
<pre class="code">RGraph.Effects.Gauge.Grow(obj);</pre>
</div>
<script>
var myGauge = new RGraph.Gauge('myGauge', 0, 100,59);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="radar.grow"></a>
<h4>Radar Grow</h4>
<canvas id="myRadar" width="350" height="350">[No canvas support]</canvas><br />
<button onclick="RGraph.Clear(myRadar.canvas);RGraph.Effects.Radar.Grow(myRadar);RGraph.Effects.Fade.In(myRadar)">Show Radar chart Grow effect</button>
<p />
This effect gradually increases the magnitude of the Radar chart, growing outwards from the center. Multiple
data sets are supported.
<pre class="code">RGraph.Effects.Radar.Grow(obj);</pre>
</div>
<script>
var myRadar = new RGraph.Radar('myRadar', [4,6,3,5,8,6,9,5,4]);
myRadar.Set('chart.colors.alpha', 0.5);
</script>
<!------------------------------------------------------------------------------------------>
<div>
<a name="waterfall.grow"></a>
<h4>Waterfall Grow</h4>
<canvas id="myWaterfall" width="550" height="250">[No canvas support]</canvas><br />
<button onclick="RGraph.Clear(myWaterfall.canvas);RGraph.Effects.Waterfall.Grow(myWaterfall);RGraph.Effects.Fade.In(myWaterfall)">Show Waterfall chart Grow effect</button>
<p />
This effect gradually Grows the waterfall chart in both X and Y respects.
<pre class="code">RGraph.Effects.Waterfall.Grow(obj);</pre>
</div>
<script>
var myWaterfall = new RGraph.Waterfall('myWaterfall', [4,5,-8,-8,-5,6,4,-4]);
myWaterfall.Set('chart.xaxispos', 'center');
</script>
<!------------------------------------------------------------------------------------------>
<a name="things.to.note"></a>
<h3>Things to note</h3>
<ol>
<li>
With Fade in/out effects remember that just because you can't see the canvas (ie the opacity is 0) doesn't mean
that you can't interact with it, so tooltip hotspots will still be active. If you want to get rid of the canvas
entirely you need to remove it from the DOM. You can do this with the standard.removeNode function:
<pre class="code">obj.canvas.parentNode.removeChild(obj.canvas);</pre>
This will leave a hole in the page though and will cause the page layout to change. If this is an issue you may
want to use the RGraph API function <i>RGraph.Effects.ReplaceCanvasWithDIV(canvas)</i>. As the name
suggests, this function replaces the canvas with a DIV which has the same dimensions meaning your page structure
won't change.
</li>
<li>
It should be noted that in order to prevent the canvas being constantly drawn on, it is cleared at the
start of the animation.
</li>
<li>
In the jQuery animations here, the Google hosted jQuery is used:
<pre class="code"><script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script></pre>
</li>
<li>
Because canvas based animations may need to redraw the entire chart,
they can be slower than CSS based animations and depend on a variety of things - eg the speed of the users PC
and the work necessary to redraw the canvas.
</li>
</ol>
</body>
</html>
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