标签：axisMax 50 js vis var data Math 3d
<!DOCTYPE html>
<html>
<head>
<title>Graph 3D demo</title>
<style>
body {
font: 10pt arial;
}
</style>
<script
type="text/javascript"
src="https://unpkg.com/vis-graph3d@latest/dist/vis-graph3d.min.js"
></script>
<script type="text/javascript">
var data = null;
var graph = null;
// Called when the Visualization API is loaded.
function drawVisualization() {
// Create and populate a data table.
data = new vis.DataSet();
// create some nice looking data with sin/cos
var counter = 0;
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 height = Math.sin(x / 50) * Math.cos(y / 50) * 50 + 50;
var value = Math.sin(x / 20) * Math.cos(y / 20);
data.add({ id: counter++, x: x, y: y, z: height, 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.
var container = document.getElementById("mygraph");
graph = new vis.Graph3d(container, data, options);
}
window.addEventListener("load", () => {
drawVisualization();
});
</script>
</head>
<body onl oad="drawVisualization();">
<div id="mygraph"></div>
<div id="info"></div>
</body>
</html>
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标签：axisMax,
50,
js,
vis,
var,
data,
Math,
3d
From： https://www.cnblogs.com/dogleftover/p/18153430