You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
3.2 KiB
110 lines
3.2 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<title>Graph 3D camera position</title>
|
|
|
|
<style>
|
|
body {font: 10pt arial;}
|
|
td {font: 10pt arial}
|
|
</style>
|
|
|
|
<script type="text/javascript" src="../../dist/vis.js"></script>
|
|
|
|
<script type="text/javascript">
|
|
var data = null;
|
|
var graph = null;
|
|
|
|
function custom(x, y) {
|
|
return (Math.sin(x/50) * Math.cos(y/50) * 50 + 50);
|
|
}
|
|
|
|
// callback function, called when the camera position has changed
|
|
function onCameraPositionChange() {
|
|
// adjust the values of startDate and endDate
|
|
var pos = graph.getCameraPosition();
|
|
document.getElementById('horizontal').value = parseFloat(pos.horizontal.toFixed(3));
|
|
document.getElementById('vertical').value = parseFloat(pos.vertical.toFixed(3));
|
|
document.getElementById('distance').value = parseFloat(pos.distance.toFixed(3));
|
|
}
|
|
|
|
// set the camera position
|
|
function setCameraPosition() {
|
|
var horizontal = parseFloat(document.getElementById('horizontal').value);
|
|
var vertical = parseFloat(document.getElementById('vertical').value);
|
|
var distance = parseFloat(document.getElementById('distance').value);
|
|
var pos = {
|
|
"horizontal": horizontal,
|
|
"vertical":vertical,
|
|
"distance":distance};
|
|
graph.setCameraPosition(pos);
|
|
|
|
// retrieve the camera position again, to get the applied values
|
|
onCameraPositionChange();
|
|
}
|
|
|
|
// Called when the Visualization API is loaded.
|
|
function drawVisualization() {
|
|
// Create and populate a data table.
|
|
var data = new vis.DataSet();
|
|
// create some nice looking data with sin/cos
|
|
var steps = 50; // number of datapoints will be steps*steps
|
|
var axisMax = 314;
|
|
var axisStep = axisMax / steps;
|
|
for (var x = 0; x < axisMax; x+=axisStep) {
|
|
for (var y = 0; y < axisMax; y+=axisStep) {
|
|
var value = custom(x,y);
|
|
data.add([
|
|
{x:x,y:y,z:value,t:0,style:value}
|
|
]);
|
|
}
|
|
}
|
|
|
|
// specify options
|
|
var options = {
|
|
width: "600px",
|
|
height: "600px",
|
|
style: "surface",
|
|
showPerspective: true,
|
|
showGrid: true,
|
|
showShadow: false,
|
|
keepAspectRatio: true,
|
|
verticalRatio: 0.5
|
|
};
|
|
|
|
// Instantiate our graph object.
|
|
graph = new vis.Graph3d(document.getElementById('mygraph'));
|
|
|
|
// Draw our graph with the created data and options
|
|
graph.draw(data, options);
|
|
graph.on("cameraPositionChange", onCameraPositionChange);
|
|
//graph.redraw();
|
|
}
|
|
</script>
|
|
</head>
|
|
|
|
<body onload="drawVisualization()">
|
|
<h1>Graph 3d camera position</h1>
|
|
<table>
|
|
<tr>
|
|
<td>Horizontal angle (0 to 2*pi)</td>
|
|
<td><input type="text" id="horizontal" value="1.0"></td>
|
|
</tr>
|
|
<tr>
|
|
<td>Vertical angle (0 to 0.5*pi)</td>
|
|
<td><input type="text" id="vertical" value="0.5"></td>
|
|
</tr>
|
|
<tr>
|
|
<td>Distance (0.71 to 5.0)</td>
|
|
<td><input type="text" id="distance" value="1.7"></td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td><input type="button" value="Set" onclick="setCameraPosition();"></td>
|
|
</tr>
|
|
</table>
|
|
|
|
<div id="mygraph"></div>
|
|
|
|
<div id="info"></div>
|
|
</body>
|
|
</html>
|