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Questions tagged [rgraph]

RGraph is an javascript charts library that uses the HTML5 canvas and SVG tags to draw charts with and supports many different types of visualisation.

RGraph is a free javascript charts library that uses the HTML5 canvas and SVG tags to draw charts with JavaScript and supports many different types of visualisation.

Bar, Line, Pie, Scatter, Rose, Gantt, Horizontal Bar charts and more are all catered for - all of which are very quick to render in the browser. There are over 50 different types of charts that are possible using both SVG and canvas.

There are integration APIs for AJAX, CSV files, Google Sheets and lots of documentation about integrating with server-side scripts.

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Internet Explorer Caching CSV file

I have created a chart which updates whenever a csv file changes. It displays correctly in Firefox but in Internet Explorer it caches the csv file and only displays the correct value when the browser is refreshed. I have put the following into the…
user3508973
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rotate x labels with no space on the axis margin in R

I have to rotate x axis labels by 45 using mtext() in R. I cannot use text(...) because I set…
Mitra Rahmati
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RGraph, color of bar not working

I'm trying to colorize a bar chart, but besides the key gets ok, all the bars show the same color window.onload = function () { var bar = new RGraph.Bar('canv1', [20,17,13,7,5,1,1,1,1,1,1,1,1,1,1]) .Set('labels',…
RBrazao
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Can i put tooltip on crosshair movement in rgraph?

I am using a line graph and vertical crosshair which moves on mouse move. Now as crosshair moves i get the (x,y) coordinates on each tickmarks. Now my requirement is to add tooltip synched with crosshair or on crosshair to show (x, y) coordinate on…
Danish
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How to change the background to gradient using Rgraph open source tool

Anyone have an example of how to set the background to appear as a gradient in Rgraph? Something like this : http://support.softwarefx.com/JavaAPI/CfxJava65_api/SoftwareFX/ChartFX/images/GradientBackgroundObject.png Thanks
LatinCanuck
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increasing inner radius of donut chart and how can write inside donut chart

i am trying to increase inner radius of donut chart and also be able to write inside the donut chart. $scope.donut = new RGraph.Pie('myDonut', $scope.donutData) .Set('linewidth', 5) .Set('strokestyle', 'white') …
Danish
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RGraph canvas is not redrawn when I navigate back to the page

I am using RGRaph.gauge and .thermometer plugins. When I open page first time all is shown properly. But if I will jump to another page section and then back to the page, the canvas is empty. Refresh doesn't work neither. Necessary to press…
Reddy SK
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RGraph Line Charts

I'm looking for a charting library for web based weather software and one of the criteria is x-axis steps. In other words I have 5 minute series data but if I plot every five minute along the x axis there are too many labels and they overlap. Can…
Byte Insight
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Rgraph redimension drilldown canvas

I have a HBar chart with drill down. The first chart as a height of 6.000, but the drilldown should be much small,about 400px, but I can only draw the second one in the same canvas, with te same height. Is it possible to redimension the canvas when…
RBrazao
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Is it possible to install circular avatar in place of axis text labels

I've got a requirement to install people's faces on the Y-Axis of a bar chart. Is it possible to install a custom image in place of the axis label? Ideally the solution would enable border-radius, border-style, and image URL properties. Bonus…
Noel Baron
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RGraph: What is causing my pie chart to disappear on-click? (#rgraph)

I'm using the new RGraph beta release, and I can't figure out why this pie chart disappears when you click elsewhere on the page. Here is a screen cast of it happening: http://screencast.com/t/zPRhMqnCKk8. self.pieChart = new…
Noel Baron
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how to call methods of excanvas?

I need a little help from you. I have created a canvas image using excanvas.js and it was rendered properly. Now i want to use that same canvas to draw another image but before that i need to clear that same canvas otherwise images will be…
streak
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javascript animated linechart using RGraph

I am using RGraph to draw a line chart with data from a DB. I can do it using a single request when the webpage loads, but I have been unable to update the graph, since the new line superimposes with the existing line.Is there any way to clear the…
carlos palma
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javascript animation of a water tank

I am trying to use RGraph library to manipulate a vertical progress bar, but I'm stuck because after creating the progress bar I can't manipulate its properties, here's the code I have been using: window.onload = function () { // Create the…
carlos palma
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How to change labels on a rgraph dynamically?[html5]

Basically I have a graph and I want 'Sunday,Monday,Tuesday..' on the X-axis. But this information I'm getting from the database and depending on the inputs(i.e the dates) I want my x-axis to display the label.So the labels keep changing. I searched…
akarsha
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