diff options
Diffstat (limited to 'datastore-leveldb/public/lib/flot-0.7/jquery.flot.symbol.js')
-rw-r--r-- | datastore-leveldb/public/lib/flot-0.7/jquery.flot.symbol.js | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/datastore-leveldb/public/lib/flot-0.7/jquery.flot.symbol.js b/datastore-leveldb/public/lib/flot-0.7/jquery.flot.symbol.js deleted file mode 100644 index a32fe31..0000000 --- a/datastore-leveldb/public/lib/flot-0.7/jquery.flot.symbol.js +++ /dev/null @@ -1,70 +0,0 @@ -/* -Flot plugin that adds some extra symbols for plotting points. - -The symbols are accessed as strings through the standard symbol -choice: - - series: { - points: { - symbol: "square" // or "diamond", "triangle", "cross" - } - } - -*/ - -(function ($) { - function processRawData(plot, series, datapoints) { - // we normalize the area of each symbol so it is approximately the - // same as a circle of the given radius - - var handlers = { - square: function (ctx, x, y, radius, shadow) { - // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2 - var size = radius * Math.sqrt(Math.PI) / 2; - ctx.rect(x - size, y - size, size + size, size + size); - }, - diamond: function (ctx, x, y, radius, shadow) { - // pi * r^2 = 2s^2 => s = r * sqrt(pi/2) - var size = radius * Math.sqrt(Math.PI / 2); - ctx.moveTo(x - size, y); - ctx.lineTo(x, y - size); - ctx.lineTo(x + size, y); - ctx.lineTo(x, y + size); - ctx.lineTo(x - size, y); - }, - triangle: function (ctx, x, y, radius, shadow) { - // pi * r^2 = 1/2 * s^2 * sin (pi / 3) => s = r * sqrt(2 * pi / sin(pi / 3)) - var size = radius * Math.sqrt(2 * Math.PI / Math.sin(Math.PI / 3)); - var height = size * Math.sin(Math.PI / 3); - ctx.moveTo(x - size/2, y + height/2); - ctx.lineTo(x + size/2, y + height/2); - if (!shadow) { - ctx.lineTo(x, y - height/2); - ctx.lineTo(x - size/2, y + height/2); - } - }, - cross: function (ctx, x, y, radius, shadow) { - // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2 - var size = radius * Math.sqrt(Math.PI) / 2; - ctx.moveTo(x - size, y - size); - ctx.lineTo(x + size, y + size); - ctx.moveTo(x - size, y + size); - ctx.lineTo(x + size, y - size); - } - } - - var s = series.points.symbol; - if (handlers[s]) - series.points.symbol = handlers[s]; - } - - function init(plot) { - plot.hooks.processDatapoints.push(processRawData); - } - - $.plot.plugins.push({ - init: init, - name: 'symbols', - version: '1.0' - }); -})(jQuery); |