I am looking to use QuickChart in my PHP project. I skimmed the documentation completely. But, everything in it has the data being statically loaded as an array. I am trying to load external data, that is generated from somewhere else, into the chart. To understand QuickChart, I tried to load data dynamically…
Tag: chart.js
Draw a horizontal and vertical line on mouse hover in chart js
I am stuck with a problem on chart js while creating line chart. I want to create a chart with the specified data and also need to have horizontal and vertical line while I hover on intersection point. I am able to create vertical line on hover but can not find any solution where I can draw both the line.
Split assoc array by keys
I have data like this: I want to separate it into 3 different arrays like so: For the life of me i just cant seem to wrap my head around this today, I have tried doing loops and while/if using “array_colum()” but I cant get to add a 0 for the entry that does not have a matching date. PS:
cant resize range of Y axis of chart in HTML/PHP
new account here, so basically i have code like this the result is like this enter image description here Since the range of Y axis is between 3.0, 3.1 – 5.0. it makes one of the data seems like zero frequency because the lowest value on y axis is 3.0 not 0, how to change the range on Y axis
Live updating chart with data from database with Chart.js
I’ve been having some trouble with Chart.js. I’m making a voting system that I want to dynamically update for the user to see. Kind of like strawpoll websites. When the user submits a vote, the results page will automatically update to the new vote count. I’ve been searching for an answer to…
Chart Js clickable bar
I want to make my chart js bar clickable. I want to add click features such as links. No idea how to proceed. Have read documentation times 10… var ctx = document.getElementById(‘…
Chart.js – Creating multiple charts on one page
I would like to use chart.js in my joomla-component called “bestia”. To do so I imported chart.js as media-element in the manifest.xml. I’m calling the js by doing the following: JHtml::script(Juri::root() . ‘media/com_hostinghelden/chartjs/Chart.js’); Now I would like to use a h…