- GWT Google Charts Tutorial
- GWT Google Charts - Home
- GWT Google Charts - Overview
- Environment Setup
- Configuration Syntax
- GWT Google Charts - Area Charts
- GWT Google Charts - Bar Charts
- GWT Google Charts - Bubble Charts
- GWT Google Charts - Candlestick
- GWT Google Charts - Column Charts
- GWT Google Charts - Combination
- GWT Google Charts - Histogram
- GWT Google Charts - Line Charts
- GWT Google Charts - Maps
- GWT Google Charts - Organization
- GWT Google Charts - Pie Charts
- GWT Google Charts - Sankey Charts
- GWT Google Charts - Scatter Chart
- GWT Google Charts - Stepped Area
- GWT Google Charts - Table Chart
- GWT Google Charts - TreeMap Chart
- GWT Google Charts Resources
- GWT Google Charts - Quick Guide
- GWT Google Charts - Resources
- GWT Google Charts - Discussion
GWT Google Charts - Diff Column Chart
Following is an example of a Column Chart showing differences.
We have already seen the configurations used to draw a chart in Google Charts Configuration Syntax chapter. Now, let us see an example of a Column Chart showing differences.
Configurations
We've used ColumnChart class to show Column Chart showing differences.
// column chart ColumnChart chart = new ColumnChart();
Example
HelloWorld.java
package com.tutorialspoint.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.googlecode.gwt.charts.client.ChartLoader; import com.googlecode.gwt.charts.client.ChartPackage; import com.googlecode.gwt.charts.client.ColumnType; import com.googlecode.gwt.charts.client.DataTable; import com.googlecode.gwt.charts.client.corechart.ColumnChart; public class HelloWorld implements EntryPoint { private ColumnChart chart; private void initialize() { ChartLoader chartLoader = new ChartLoader(ChartPackage.CORECHART); chartLoader.loadApi(new Runnable() { public void run() { // Create and attach the chart chart = new ColumnChart(); RootPanel.get().add(chart); draw(); } }); } private void draw() { DataTable current = DataTable.create(); current.addColumn(ColumnType.STRING, "Name"); current.addColumn(ColumnType.NUMBER, "Score"); current.addRow("Jane", 900); current.addRow("Joe", 1000); current.addRow("Janet", 1170); current.addRow("Robert", 1250); current.addRow("Julie", 1530); // Prepare the data DataTable older = DataTable.create(); older.addColumn(ColumnType.STRING, "Name"); older.addColumn(ColumnType.NUMBER, "Score"); older.addRow("Jane", 400); older.addRow("Joe", 700); older.addRow("Janet", 970); older.addRow("Robert", 1000); older.addRow("Julie", 1100); // Draw the chart chart.draw(chart.computeDiff(older, current)); chart.setWidth("400px"); chart.setHeight("400px"); } public void onModuleLoad() { initialize(); } }
Result
Verify the result.
gwt_googlecharts_column_charts.htm
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