Insert dynamically user comments into a chart [Highcharts] - javascript

I need to be able user insert user comments on the chart dynamically way. It means, the user will view the chart and will decide to make a comment on the chart or not.
P.S.: The user could make one or more comments anywhere on the chart.
I'm using Highcharts JS with ReactJS.
And I saw this functionality in Highcharts Stock and would like to know if it's possible to make it with Highcharts JS.

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Thingspeak data visualisation/ graphs for webpage

i want to make graphs/ charts from my data, that is stored on Thingspeak (its a weather station project using arduino). Now, i want to be able to plot these data into graphs. Thingspeak itself does that, but the graph is non customizable.
What i want do do is to have some buttons and comboboxes to select for example certain time interval (days,weeks,months), be able to point on line in graph and it tels the stats for the one spot etc.
Is there any templates or web services that do that? Or tutorials on how to do that? I want to have these charts embedde to my webpages. Thank you for replies.
I suggest you look at Chart JS or D3, both good charting libraries.

Custom bullseye chart for Salesforce chart.js

I would like to create a layer of overlapping circles. Something like the following http://imgur.com/VAB2jsy
I guess it would be similar to a bullseye chart. I would imagine it needs to be built with chart.js and tied to Salesforce Apex Page. The idea is that it will be embedded into the account and it will populate the Contact Details (Related List) from the account depending on the roles. It will display information for 14 roles and the layers of the circles are fixed as well.
First Innermost circle has 2 roles.
2nd has 2 roles
3rd has 2 roles
4th has 3 roles
5th has 5 roles.
If there are multiple people it should display multiple people under that role within each circle and it should dynamically adjust.
I know it can be done but don't know how to go about getting this done. Can anyone help with the chart.js or js script which will help me achieve this and how it can be embedded into an apex page?

How to start with Custom Chart

I want to create this CHART, but i don't know how to start with that.. Because i cant found similar chart and i can't find any way how to create this one..
This graph i create just with CSS it's enough for now, but later i wanna receive a live data into chart so via CSS it's impossible and the chart is not responsive..
So any advice how to create this chart ?
Using jQuery or another one ?

d3.js - how to actualize the graph data? transition?

I am trying to learn d3.js (with no JavaScript background) so I created a simple scatter plot.
Now, I am looking for how to render that graph with random data, each time the user click on the Next button.
In the link above, there is what I tried so far.
I know it's a very newbie question and there is thousands of example but I am looking for an explained solution (not just code). Thanks
PS: Please change the external ressource to this if the graphs won't show up.

Display a Excel chart in Html page

I have a EXCEL file containing multiple Tables and Charts.
I want to create a web page to display a particular Table and a Chart. I used java script to display the table.
But cant find a way to display the CHART. By chart i mean it contains a pie graph or bar graph.
Is it possible to display using java script? Or do i have to use JSP/something else?
Take a look at Google Chart Tools. Here is an example with javascript source code. If you are building the table on the server side, you may instead want to pass the data down JSON encoded and then build both the table and chart at the same time without having to pass the data twice.
An easier way would be to use a free tool like oomfo, which is a PowerPoint plugin to create charts. It lets you pull data from excel, create charts and then export the entire slide as HTML - the charts are in Flash and JavaScript (fallback). Just add a line of code in the output web page to render JavaScript charts only.

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