charts

问题 I'm using the' System.Windows.Forms.DataVisualization.Charting ' library for my chart and I was wondering if anyone figured out how to switch the axes to display the chart vertically Thanks. 回答1: Changed myChart.Series["mySeries"].ChartType = SeriesChartType.Bar; to myChart.Series["mySeries"].ChartType = SeriesChartType.Column; 来源： https://stackoverflow.com/questions/2374862/changing-a-horizontal-bar-chart-to-a-vertical-one

问题 I used to draw this kind of chart (one vertical axis, one horizantal axis): Now i have been asked to do this kind of chart: as you see, the problem with the ordered chart that it contains (two vertical axis, one horizantal axis). My question does flot or any other jquery library able to do that please? 回答1: See the flot example here on multiple axis. Minimal example: $.plot("#placeholder", [ { data: d1 }, { data: d2, yaxis: 2 } // set second series to use second axis ], { yaxes: [ { min: 0 //

问题 I'm looking for a way to enable custom background color gauge in the Winform chart control library. Here is an example: See the green, yellow, and red color in the background? Now, I need is a way to customize the background color gauge by controlling the starting/ending Y values, the color itself, as well as the number of different colors. Thanks in advance! 回答1: You can do that by adding StripLines to the y-Axis of the ChartArea . Their positions and sizes are controlled by their StripWidth

问题 We are using Chartjs to plot the charts ,However there is no to give the x-axis titles,There is a solution for y-Axis title in here , But for x-Axis I could add the x axis name but could not create the space below the chart to properly place it , using y as this.chart.height overlapped the text with x axis title. I have looked the chartjs v2.0 but it also does not have support for x-Axis title. 回答1: We set the height of the chart depending on how much height we want for the x axis label and

问题 I'm using the MPAndroidChart and am really enjoying it. A 'little' need I have is that I can put null values to the 'entrys'. I'm monitoring the apache conections on servers of my system, and I would to see if they is down (where I put the null value) or if they just no conections (0). I tried, but the Entry class don't accept 'null' as value showing the message: 'The constructor Entry(null, int) is undefined' Thanks! 回答1: A possible solution for you could be to check weather the object you

问题 I'm using the MPAndroidChart and am really enjoying it. A 'little' need I have is that I can put null values to the 'entrys'. I'm monitoring the apache conections on servers of my system, and I would to see if they is down (where I put the null value) or if they just no conections (0). I tried, but the Entry class don't accept 'null' as value showing the message: 'The constructor Entry(null, int) is undefined' Thanks! 回答1: A possible solution for you could be to check weather the object you

问题 I want to add Tooltip when I move cursor over a chart line. I found this example: import java.util.concurrent.ConcurrentLinkedQueue; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.ThreadFactory; import java.util.logging.Level; import java.util.logging.Logger; import javafx.animation.AnimationTimer; import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.chart.AreaChart; import javafx.scene.chart

问题 I am using Google Visualization Library my application was working correctly, I am unable to figure out how on chrome (specifically) this err starts coming up. Working fine in Firefox function drawVisualization() { var data = new google.visualization.DataTable(countArray); // Declare columns data.addColumn('date', 'Day'); data.addColumn('number', 'Person'); // Add data. data.addRows(countArrayFinal); // Create and draw the visualization. new google.visualization.LineChart(document

问题 I'm working with Chart.js and want to convert a line chart to a PNG. The problem is that the image always downloads with a transparent background, which is not what I need. I tried many options, nothing really worked. And suggestions? 回答1: Here's one way to get a fully-opaque version of your ChartJS: Wait until the chart is fully animated out and complete. You can do this by adding the onAnimationComplete property to the chart. In the onAnimationComplete function: Create an in-memory

问题 What I want to do Show multiple Barcharts on one Page What I already did The Barcharts have prevously been Linecharts. As Linecharts I could show two Charts on the same page without a problem. I used two seperate drawChart()-functions for them. I then converted the charts to Barcharts (material design). Now it only shows one chart. I already searched for an answer and found this: How to add two Google charts on the one page? I follow this and it still doesn't work. My Code <script type="text