toolkit/javascript/d3/examples/albers/albers.html
changeset 47 c0b4a8b5a012
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/examples/albers/albers.html	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,168 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
+    <title>Albers Projection</title>
+    <script type="text/javascript" src="../../d3.js"></script>
+    <script type="text/javascript" src="../../d3.geo.js"></script>
+    <script type="text/javascript" src="../../lib/jquery/jquery.min.js"></script>
+    <script type="text/javascript" src="../../lib/jquery-ui/jquery-ui.min.js"></script>
+    <style type="text/css">
+
+@import url("../../lib/jquery-ui/jquery-ui.css");
+
+body, .ui-widget {
+  font: 14px Helvetica Neue;
+}
+
+svg {
+  width: 960px;
+  height: 500px;
+  border: solid 1px #ccc;
+  background: #eee;
+}
+
+#states path {
+  fill: #ccc;
+  stroke: #fff;
+}
+
+#states circle {
+  fill: #fcc;
+  stroke: #000;
+}
+
+div {
+  width: 960px;
+}
+
+    </style>
+  </head>
+  <body>
+    <h3>Albers Projection</h3>
+    <script type="text/javascript">
+
+// Our projection.
+var xy = d3.geo.albers(),
+    path = d3.geo.path().projection(xy);
+
+d3.select("body")
+  .append("svg:svg")
+  .append("svg:g")
+    .attr("id", "states");
+
+d3.json("../data/us-states.json", function(collection) {
+  d3.select("#states")
+    .selectAll("path")
+      .data(collection.features)
+    .enter().append("svg:path")
+      .attr("d", path);
+  d3.select("#states")
+    .append("svg:circle")
+      .attr("r", 10)
+      .attr("transform", "translate(" + xy(xy.origin()).join(",") + ")")
+});
+
+function refresh() {
+  d3.selectAll("#states path")
+      .attr("d", path);
+  d3.select("#states circle")
+      .attr("transform", "translate(" + xy(xy.origin()).join(",") + ")")
+  d3.select("#parallels span")
+      .text(xy.parallels());
+  d3.select("#lon span")
+      .text(xy.origin()[0]);
+  d3.select("#lat span")
+      .text(xy.origin()[1]);
+  d3.select("#scale span")
+      .text(xy.scale());
+  d3.select("#translate-x span")
+      .text(xy.translate()[0]);
+  d3.select("#translate-y span")
+      .text(xy.translate()[1]);
+}
+
+    </script><p>
+    <div id="lon">origin.longitude: <span>-98</span></div>
+    <div id="lat">origin.latitude: <span>38</span></div><p>
+    <div id="parallels">parallels: <span>29.5,45.5</span></div><p>
+    <div id="scale">scale: <span>1000</span></div><p>
+    <div id="translate-x">translate.x: <span>480</span></div>
+    <div id="translate-y">translate.y: <span>250</span></div>
+    <script type="text/javascript">
+
+$("#parallels").slider({
+  range: true,
+  min: -90,
+  max: 90,
+  step: 1e-1,
+  values: [29.5, 45.5],
+  slide: function(event, ui) {
+    xy.parallels(ui.values);
+    refresh();
+  }
+});
+
+$("#lon").slider({
+  min: -180,
+  max: 180,
+  step: 1e-1,
+  value: -98,
+  slide: function(event, ui) {
+    var origin = xy.origin();
+    origin[0] = ui.value;
+    xy.origin(origin);
+    refresh();
+  }
+});
+
+$("#lat").slider({
+  min: -90,
+  max: 90,
+  step: 1e-1,
+  value: 38,
+  slide: function(event, ui) {
+    var origin = xy.origin();
+    origin[1] = ui.value;
+    xy.origin(origin);
+    refresh();
+  }
+});
+
+$("#scale").slider({
+  min: 0,
+  max: 3000,
+  value: 1000,
+  slide: function(event, ui) {
+    xy.scale(ui.value);
+    refresh();
+  }
+});
+
+$("#translate-x").slider({
+  min: -2000,
+  max: 2000,
+  value: 480,
+  slide: function(event, ui) {
+    var translate = xy.translate();
+    translate[0] = ui.value;
+    xy.translate(translate);
+    refresh();
+  }
+});
+
+$("#translate-y").slider({
+  min: -2000,
+  max: 2000,
+  value: 250,
+  slide: function(event, ui) {
+    var translate = xy.translate();
+    translate[1] = ui.value;
+    xy.translate(translate);
+    refresh();
+  }
+});
+
+    </script>
+  </body>
+</html>