From c4d23ab64c41df3d337530ef4ef5ad268815a600 Mon Sep 17 00:00:00 2001 From: Mike Bostock Date: Tue, 15 May 2012 13:43:30 -0700 Subject: [PATCH 1/2] Default graphite.summarize; metrics for rules. Graphite metrics now default to using summarize with the method "sum", so that even if you forget to apply a summarize, you get reasonable default behavior. This commit also adds metric supports for the rule primitive, so that you can display event markers (e.g., deploys) on top of other charts. --- cubism.v1.js | 84 +++++++++++++++++++++++++++++++++++++----------- cubism.v1.min.js | 2 +- src/graphite.js | 25 ++++++++------ src/rule.js | 59 ++++++++++++++++++++++++++++------ 4 files changed, 133 insertions(+), 37 deletions(-) diff --git a/cubism.v1.js b/cubism.v1.js index 17dd7e9..2b2e933 100644 --- a/cubism.v1.js +++ b/cubism.v1.js @@ -191,16 +191,30 @@ cubism_contextPrototype.graphite = function(host) { context = this; source.metric = function(expression) { + var sum = "sum"; + var metric = context.metric(function(start, stop, step, callback) { + var target = expression; + + // Apply the summarize, if necessary. + if (step !== 1e4) target = "summarize(" + target + ",'" + + (!(step % 36e5) ? step / 36e5 + "hour" : !(step % 6e4) ? step / 6e4 + "min" : step + "sec") + + "','" + sum + "')"; + d3.text(host + "/render?format=raw" - + "&target=" + encodeURIComponent("alias(" + expression + ",'')") + + "&target=" + encodeURIComponent("alias(" + target + ",'')") + "&from=" + cubism_graphiteFormatDate(start - 2 * step) // off-by-two? + "&until=" + cubism_graphiteFormatDate(stop - 1000), function(text) { if (!text) return callback(new Error("unable to load data")); callback(null, cubism_graphiteParse(text)); }); }, expression += ""); - metric.summarize = summarize; + + metric.summarize = function(_) { + sum = _; + return metric; + }; + return metric; }; @@ -217,13 +231,6 @@ cubism_contextPrototype.graphite = function(host) { return host; }; - function summarize(method) { - var step = Math.round(context.step() / 1e3); - if (step === 10) return this; - step = !(step % 3600) ? step / 3600 + "hour" : !(step % 60) ? step / 60 + "min" : step + "sec"; - return source.metric("summarize(" + this + ",'" + step + "','" + method + "')"); - } - return source; }; @@ -957,7 +964,8 @@ var cubism_axisFormatSeconds = d3.time.format("%I:%M:%S %p"), cubism_axisFormatMinutes = d3.time.format("%I:%M %p"), cubism_axisFormatDays = d3.time.format("%B %d"); cubism_contextPrototype.rule = function() { - var context = this; + var context = this, + metric = cubism_identity; function rule(selection) { var id = ++cubism_id; @@ -965,17 +973,38 @@ cubism_contextPrototype.rule = function() { var line = selection.append("div") .datum({id: id}) .attr("class", "line") - .style("position", "fixed") - .style("top", 0) - .style("right", 0) - .style("bottom", 0) - .style("width", "1px") - .style("pointer-events", "none"); + .call(cubism_ruleStyle); + + selection.each(function(d, i) { + var that = this, + id = ++cubism_id, + metric_ = typeof metric === "function" ? metric.call(that, d, i) : metric; + + if (!metric_) return; + + function change(start, stop) { + var values = []; + + for (var i = 0, n = context.size(); i < n; ++i) { + if (metric_.valueAt(i)) { + values.push(i); + } + } + + var lines = selection.selectAll(".metric").data(values); + lines.exit().remove(); + lines.enter().append("div").attr("class", "metric line").call(cubism_ruleStyle); + lines.style("left", cubism_ruleLeft); + } + + context.on("change.rule-" + id, change); + metric_.on("change.rule-" + id, change); + }); context.on("focus.rule-" + id, function(i) { - line + line.datum(i) .style("display", i == null ? "none" : null) - .style("left", function() { return this.parentNode.getBoundingClientRect().left + i + "px"; }); + .style("left", cubism_ruleLeft); }); } @@ -990,6 +1019,25 @@ cubism_contextPrototype.rule = function() { } }; + rule.metric = function(_) { + if (!arguments.length) return metric; + metric = _; + return rule; + }; + return rule; }; + +function cubism_ruleStyle(line) { + line + .style("position", "absolute") + .style("top", 0) + .style("bottom", 0) + .style("width", "1px") + .style("pointer-events", "none"); +} + +function cubism_ruleLeft(i) { + return i + "px"; +} })(this); diff --git a/cubism.v1.min.js b/cubism.v1.min.js index 4b333ee..97a1269 100644 --- a/cubism.v1.min.js +++ b/cubism.v1.min.js @@ -1 +1 @@ -(function(a){function d(a){return a}function e(){}function h(a){return Math.floor(a/1e3)}function i(a){var b=a.indexOf("|"),c=a.substring(0,b),d=c.lastIndexOf(","),e=c.lastIndexOf(",",d-1),f=c.lastIndexOf(",",e-1),g=c.substring(f+1,e)*1e3,h=c.substring(d+1)*1e3;return 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