charts

问题 does someone know how to add a watermark to a charting component in flex? Maybe to a Line Chart or just simple to a canvas. Thanks in advance Sebastian 回答1: Try making the background of the chart transparent (backgroundAlpha: 0), then wrap them both in a canvas, and put your watermark behind the chart <mx:Canvas><mx:Image/><mx:Chart/></mx:Canvas> 回答2: You can manipulate backgroundElements of your chart, for example <fx:Declarations> <fx:Array id="backgroundContents"> <mx:Image source="..

问题 I have a LineChart, and when I touch at some point, there appear two lines. How to change the color of that lines? or how to disable them? By supportive lines I mean that orange lines. 回答1: Try LineDataSet.setHighLightColor(//your color) method 来源： https://stackoverflow.com/questions/45650691/change-color-of-the-supportive-lines-in-linechart-mpandroidchart

问题 I am working on a rather comprehensive timeline that reads data from a dedicated google spreadsheet using dataview. It does work // Load the Visualization API and the corechart package. google.charts.load("current", {packages:["timeline"]}); // Set a callback to run when the Google Visualization API is loaded. google.charts.setOnLoadCallback(drawGID); function drawGID() { var query = new google.visualization.Query( 'https://docs.google.com/spreadsheets/d

问题 I am using Highstock - Single line series for plotting data.http://www.highcharts.com/stock/demo/basic-line. I want to know how to create marker on certain points based on a trigger.If a sudden increase happens in y axis,i want create a marker on that point(ie sudden increase happend from 460 to 470,i want to create a marker on 470).I want to do it in client level.How can i do this.Can anyone help on this.Ataching screenshot,what ideally i need.I want to create marker on highlighted red

问题 I have to write a VBA script to define Data Source for a chart, but I am not a VBA programmer. In my workbook, I have many sheets and many sheets have many charts. In my VBA I have to define data source for every chart. For this, I want to know whether I can write in my module the below statement: <sheet-name>.<chart-name>.SetSourceData Source ='CPU_UTIL'!$A$1:$A$31,'CPU_UTIL'!$N$1:$O$31 Whether this syntax is correct and can I use it directly? 回答1: First of all, I am a little hesitant to

问题 I am writing some code to loop through each data point in a chart and change the color (fill/border) of the point marker if it is the wrong color. I don't want it to change if it is a compliant color (using a select case). Problem: Checking markerbackgroundcolor and markerforegroundcolor returns "-1" no matter what the color is until i manually change the color (right click marker and change fill from automatic to solid).Something to do with Automatic colors. Basic example in immediate window

问题 array objects look like this i get data from group by product name date and cost in ruby and store in one varible ... first array is a name of product and second array data is date and cost. how to combine and show on x as date and y-axis as cost with a product name how to implement in charts like I have no idea about how to iterate loop in javascript for an array of array data and show in x and y axis using arraydatatable or data table its working fine with highcharts if i pass direct data

问题 The vega documentation/tutorials suggest that setting up a horizontal bar chart is easy, but I can't figure it out for the life of me. How would I go about changing a vertical bar chart, such as http://vega.github.io/vega-editor/index.html?spec=bar, to a horizontal one? 回答1: Like this { "width": 200, "height": 210, "padding": "auto", "data": [ { "name": "raw", "values": [ {"x": "A","y": 28}, {"x": "B","y": 55}, {"x": "C","y": 43}, {"x": "D","y": 91}, {"x": "E","y": 81}, {"x": "F","y": 53}, {

问题 I am working on my first project and I am using Pygal to visualize some data from a database. I am using the latest version of Python (3.6.5), Flask, Pygal and my IDE is Pycharm The project is a simple budget application in which one enters the planned budget for a monthly expenditure and then the actual amounts for that expense/item (e.g. monthly car expenses, like gas). I use Pygal to show 2 bar charts. The first one (which works as intended) shows a total planned amounts vs total actual

问题 i have used google chart library for drawing the different google charts.And after draw the chart i have downloaded the svg file as pdf and png. but in word tree chart scenario i cannot downloaded the pdf and png formate. Here is the link for chart: Word Tree chart drawCanvas = function (dataURI) { $(".download-buttons").css({ 'visibility': 'visible' }); // imageURI = dataURI; var img = new Image(); img.src = dataURI; img.onload = function () { var canvas = document.getElementById("canvas");