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Line Chart with Crosshair
Following is an example of a basic line chart with crosshairs to appear on selecting a data point.
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 basic line chart with crosshair.
Configurations
We've used crosshair configuration to set crosshair.
options = { crosshair:{ color:'#000000', trigger:'selection' } };
Example
app.component.ts
import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { title = 'Average Temperatures of Cities'; type = 'LineChart'; data = [ ["Jan", 7.0, -0.2, -0.9, 3.9], ["Feb", 6.9, 0.8, 0.6, 4.2], ["Mar", 9.5, 5.7, 3.5, 5.7], ["Apr", 14.5, 11.3, 8.4, 8.5], ["May", 18.2, 17.0, 13.5, 11.9], ["Jun", 21.5, 22.0, 17.0, 15.2], ["Jul", 25.2, 24.8, 18.6, 17.0], ["Aug", 26.5, 24.1, 17.9, 16.6], ["Sep", 23.3, 20.1, 14.3, 14.2], ["Oct", 18.3, 14.1, 9.0, 10.3], ["Nov", 13.9, 8.6, 3.9, 6.6], ["Dec", 9.6, 2.5, 1.0, 4.8] ]; columnNames = ["Month", "Tokyo", "New York","Berlin", "Paris"]; options = { hAxis: { title: 'Month' }, vAxis:{ title: 'Temperature' }, crosshair:{ color:'#000000', trigger:'selection' } }; width = 550; height = 400; }
Result
Verify the result.
angular_googlecharts_line_charts.htm
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