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radar.js
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radar.js
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function init(h,w) {
$('#title').text(document.title).width(w);
var radar = new pv.Panel()
.width(w)
.height(h)
.canvas('radar')
// arcs
radar.add(pv.Dot)
.data(radar_arcs)
.left(w/2)
.bottom(h/2)
.radius(function(d){return d.r;})
.strokeStyle("#ccc")
.anchor("top")
.add(pv.Label).text(function(d) { return d.name;});
//quadrant lines -- vertical
radar.add(pv.Line)
.data([(h/2-radar_arcs[radar_arcs.length-1].r),h-(h/2-radar_arcs[radar_arcs.length-1].r)])
.lineWidth(1)
.left(w/2)
.bottom(function(d) {return d;})
.strokeStyle("#bbb");
//quadrant lines -- horizontal
radar.add(pv.Line)
.data([(w/2-radar_arcs[radar_arcs.length-1].r),w-(w/2-radar_arcs[radar_arcs.length-1].r)])
.lineWidth(1)
.bottom(h/2)
.left(function(d) {return d;})
.strokeStyle("#bbb");
// blips
// var total_index=1;
// for (var i = 0; i < radar_data.length; i++) {
// radar.add(pv.Dot)
// .def("active", false)
// .data(radar_data[i].items)
// .size( function(d) { return ( d.blipSize !== undefined ? d.blipSize : 70 ); })
// .left(function(d) { var x = polar_to_raster(d.pc.r, d.pc.t)[0];
// //console.log("name:" + d.name + ", x:" + x);
// return x;})
// .bottom(function(d) { var y = polar_to_raster(d.pc.r, d.pc.t)[1];
// //console.log("name:" + d.name + ", y:" + y);
// return y;})
// .title(function(d) { return d.name;})
// .cursor( function(d) { return ( d.url !== undefined ? "pointer" : "auto" ); })
// .event("click", function(d) { if ( d.url !== undefined ){self.location = d.url}})
// .angle(Math.PI) // 180 degrees in radians !
// .strokeStyle(radar_data[i].color)
// .fillStyle(radar_data[i].color)
// .shape(function(d) {return (d.movement === 't' ? "triangle" : "circle");})
// .anchor("center")
// .add(pv.Label)
// .text(function(d) {return total_index++;})
// .textBaseline("middle")
// .textStyle("white");
// }
//Quadrant Ledgends
var radar_quadrant_ctr=1;
var quadrantFontSize = 18;
var headingFontSize = 14;
var stageHeadingCount = 0;
var lastRadius = 0;
var lastQuadrant='';
var spacer = 6;
var fontSize = 10;
var total_index = 1;
//TODO: Super fragile: re-order the items, by radius, in order to logically group by the rings.
for (var i = 0; i < radar_data.length; i++) {
//adjust top by the number of headings.
if (lastQuadrant != radar_data[i].quadrant) {
radar.add(pv.Label)
.left( radar_data[i].left )
.top( radar_data[i].top )
.text( radar_data[i].quadrant )
.strokeStyle( radar_data[i].color )
.fillStyle( radar_data[i].color )
.font(quadrantFontSize + "px sans-serif");
lastQuadrant = radar_data[i].quadrant;
}
// group items by stage based on how far they are from each arc
var itemsByStage = _.groupBy(radar_data[i].items, function(item) {
for(var arc_i = 0; arc_i < radar_arcs.length; arc_i++) {
if (item.pc.r < radar_arcs[arc_i].r)
{
return arc_i;
}
}
return 0;
});
// In the case where a quadrant doesn't have an item, group_by will return undefined
// To avoid this, fill in the blanks with an empty array
for (var j=0;j<radar_arcs.length;++j) {
if (!itemsByStage[j]) itemsByStage[j] = [];
}
var offsetIndex = 0;
for (var stageIdx in _(itemsByStage).keys()) {
if (stageIdx > 0) {
offsetIndex = offsetIndex + itemsByStage[stageIdx-1].length + 1;
console.log("offsetIndex = " + itemsByStage[stageIdx-1].length, offsetIndex );
}
radar.add(pv.Label)
.left( radar_data[i].left + headingFontSize )
.top( radar_data[i].top + quadrantFontSize + spacer + (stageIdx * headingFontSize) + (offsetIndex * fontSize) )
.text( radar_arcs[stageIdx].name)
.strokeStyle( '#cccccc' )
.fillStyle( '#cccccc')
.font(headingFontSize + "px Courier New");
radar.add(pv.Label)
.left( radar_data[i].left )
.top( radar_data[i].top + quadrantFontSize + spacer + (stageIdx * headingFontSize) + (offsetIndex * fontSize) )
.strokeStyle( radar_data[i].color )
.fillStyle( radar_data[i].color )
.add( pv.Dot )
.def("i", radar_data[i].top + quadrantFontSize + spacer + (stageIdx * headingFontSize) + spacer + (offsetIndex * fontSize) )
.data(itemsByStage[stageIdx])
.top( function() { return ( this.i() + (this.index * fontSize) );} )
.shape( function(d) {return (d.movement === 't' ? "triangle" : "circle");})
.cursor( function(d) { return ( d.url !== undefined ? "pointer" : "auto" ); })
.event("click", function(d) { if ( d.url !== undefined ){self.location = d.url}})
.size(fontSize)
.angle(45)
.anchor("right")
.add(pv.Label)
.text(function(d) {return radar_quadrant_ctr++ + ". " + d.name;} );
radar.add(pv.Dot)
.def("active", false)
.data(itemsByStage[stageIdx])
.size( function(d) { return ( d.blipSize !== undefined ? d.blipSize : 70 ); })
.left(function(d) { var x = polar_to_raster(d.pc.r, d.pc.t)[0];
//console.log("name:" + d.name + ", x:" + x);
return x;})
.bottom(function(d) { var y = polar_to_raster(d.pc.r, d.pc.t)[1];
//console.log("name:" + d.name + ", y:" + y);
return y;})
.title(function(d) { return d.name;})
.cursor( function(d) { return ( d.url !== undefined ? "pointer" : "auto" ); })
.event("click", function(d) { if ( d.url !== undefined ){self.location = d.url}})
.angle(Math.PI) // 180 degrees in radians !
.strokeStyle(radar_data[i].color)
.fillStyle(radar_data[i].color)
.shape(function(d) {return (d.movement === 't' ? "triangle" : "circle");})
.anchor("center")
.add(pv.Label)
.text(function(d) {return total_index++;})
.textBaseline("middle")
.textStyle("white");
}
}
radar.anchor('radar');
radar.render();
};