X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=public%2Ffacet_graph.js;h=21b8dd97a70afa8762f807c005e3187492f820cc;hb=c054774aaeaf735809d65a7558aae1405538d670;hp=70ab79d58cfd3f9061d0d1ca52ea8b1a3ab28e30;hpb=c40b99f7d53d05af30ba20384116cc04e3094c78;p=MojoFacets.git

diff --git a/public/facet_graph.js b/public/facet_graph.js
index 70ab79d..21b8dd9 100644
--- a/public/facet_graph.js
+++ b/public/facet_graph.js
@@ -1,3 +1,12 @@
+$(document).ready( function() {
+
+var count = parseInt( $('#facet-count').text() );
+if ( count > 5000 ) {
+	console.debug( 'skip graph', count );
+	return;
+}
+console.debug( 'drawing graph', count );
+
 var data = {
 	x: {
 		min: Number.MAX_VALUE,
@@ -75,7 +84,13 @@ ctx.fillStyle = '#ffcc88';
 ctx.moveTo( 0, 0 );
 ctx.beginPath();
 
-for( var i in data.x.data ) {
+var elements = data.x.data.length;
+var step = elements / data.width;
+console.debug( elements, step );
+if ( step < 1 ) step = 1;
+var i_float = 0;
+while( i_float < elements ) {
+	var i = i_float.toFixed();
 	var x = data.x.data[i];
 	if ( data.numeric ) x = Math.ceil( ( x - data.x.min ) / data.x.range * data.width  );
 	var y = Math.ceil( ( data.y.data[i] - data.y.min ) / data.y.range * data.height );
@@ -84,10 +99,11 @@ for( var i in data.x.data ) {
 		data.x.px.push( x );
 	} else {
 		var x_px = i * data.x.inc_bar;
-		console.debug( x_px, y );
+//		console.debug( x_px, y );
 		ctx.fillRect( x_px, 0, data.x.inc_bar, -y );
 		ctx.strokeRect( x_px, 0, data.x.inc_bar, -y );
 	}
+	i_float += step;
 }
 
 ctx.stroke();
@@ -122,3 +138,4 @@ draw_labels( 'labels-y', data.y, data.height, 'bottom', 'bottom:'+data.height+'p
 
 console.debug( 'data', data );
 
+}); // document.ready