fusion chart legend - legend

I am using FCF_Pie3D.swf to display a chart.I set showLegend="1", but it does not show a legend/label. Why ?

FusionCharts Free Pie charts does not support legends. It is supported on FusionCharts v3.2 and above.

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React Native Line chart animation

Is there any way to build this kind of behavior in react native (any chart library)
here I attached a sample gif file
You can check this line chart module of react native svg charts. Do let me know if this helps :)
rn-svg-chart
Try react-native-gifted-charts
The above chart can be easily created using this library.
Here's a very similar chart explained in the library's official documentation. You need to scroll down to near bottom of the page to find this chart.

Is it possible to render Vega Lite charts as SVG?

What is the proper way to render Vega Lite charts as SVG?
I've been trying to render Vega Lite as svg to provide nicer and sharper responsive charts, an option that I know is available off the bat for Vega.
This embed setup was tested after some research:
vegaEmbed(chartDivId, chart, myTooltip).then( function(result) {
var view = result.view;
view.run();
view.logLevel(vega.None);
view.renderer('svg');//<-- render as SVG
}).catch(console.error);
Which actually did convert my charts from pixel image to SVG (tested zooming in and they preserved resolution). However, they got misaligned (see images below).
Yes, using Vega Embed like you are, but it's part of the options:
vegaEmbed(chartDivId, chart, {renderer: 'svg'})
See https://github.com/vega/vega-embed#options for details.

Does Zipline Support Renko Chart?

Quantopian which is powered by zipline does not support renko charts. All charts on quantopian is smooth line. I was wondering if zipline supports renko charts?
Zipline does not support renko charts yet !

Plotting real-time/dynamic data with D3 js

I am completely new to D3 js, but I have exposure to Highcharts. I was able to plot real time/dynamic data using HighCharts and also see the old data as there was a scrollbar feature to scroll left/right on the x-axis. The chart in question was a time-series chart with dynamic values displayed as a bar/line graph.
Is there a way to plot a dynamic chart in D3 which updates every second or so. Also I would like to see old data using panning feature in D3 js as it doesnt support scrollbar.
If you are aware of other open source and non-commercial charts which meet my requirement,kindly let me know.
You can try and use C3,js - the pubnub folks have written an extension for (EON) it that readily handles dynamic data; see an overview at https://www.pubnub.com/blog/2015-02-26-building-realtime-live-updating-animated-graphs-c3-js/ and the code at https://github.com/pubnub/eon-chart

Highcharts IE10 support

I am using highcharts and am having issues with the functionality with internet explorer 10.01.
For polar charts the series do not load until you roll the mouse over the chart. If you have a series that is an area (filled), you need to turn the series off then on again before it displays.(version 2.3.5 does not fix this issue)
Saving the presented image from the icon with the chart does not render correctly. You can it is a radar chart, but cannot make out any of the values, or colours. They tend to be grey. (version 2.3.5 fixes this issue)
Are these issues known?
Is there a solution to these issues/work around? Has it something to do with SVG? Could I force it to use VML?
Is there a planned fix for these?
This is now a recognised as an issue by highcharts and it will be fixed in due course
https://github.com/highslide-software/highcharts.com/issues/1499
Update:
A hack workaround in the meantime, is to hide and show a single series on the chart after you have rendered in, in JavaScript
if(chart.series.length>0)
{
chart.series[0].hide();
chart.series[0].show();
}
Use Version 2.3.5 it has fixed IE10 support.