Contour plot
You can use the serie type contour
to display contour lines. The serie data must be object having the properties zValue
and lines
, which is an linear array containing a multiple of 4 elements (xfrom, yfrom, xto, yto)
An example of a contour lines generator can be downloaded here.
Source code
var graphinstance = new Graph( domGraph );
var serie = graphinstance.newSerie( "serieTest", {}, "contour" )
.setLabel( "My serie" )
.autoAxis()
.setData( contour );
/*
var colors = [];
for( var i = 0, l = contour.length ; i < l ; i ++ ) {
colors.push( hslToRgb(0 + i / l, 1, 0.5) );
}
serie.setColors( colors );
*/
graphinstance.getXAxis().forceMin( -5 );
graphinstance.getXAxis().forceMax( 5 );
graphinstance.getYAxis().forceMin( -5 );
graphinstance.getYAxis().forceMax( 5 );
graphinstance.redraw();
graphinstance.drawSeries();