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3D Tiles Point Cloud Styling.html 7.49 KB
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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
    <!-- Use Chrome Frame in IE -->
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
    />
    <meta
      name="description"
      content="Example styles for a point cloud tileset."
    />
    <meta name="cesium-sandcastle-labels" content="3D Tiles" />
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script
      type="text/javascript"
      src="../../../Build/CesiumUnminified/Cesium.js"
      nomodule
    ></script>
    <script type="module" src="../load-cesium-es6.js"></script>
  </head>
  <body
    class="sandcastle-loading"
    data-sandcastle-bucket="bucket-requirejs.html"
  >
    <style>
      @import url(../templates/bucket.css);
      #toolbar button {
        display: block;
      }
    </style>
    <div id="cesiumContainer" class="fullSize"></div>
    <div id="loadingOverlay"><h1>Loading...</h1></div>
    <div id="toolbar"></div>
    <script id="cesium_sandcastle_script">
      function startup(Cesium) {
        "use strict";
        //Sandcastle_Begin

        var viewer = new Cesium.Viewer("cesiumContainer");
        viewer.clock.currentTime = new Cesium.JulianDate(2457522.154792);

        var tileset = new Cesium.Cesium3DTileset({
          url:
            "../../SampleData/Cesium3DTiles/PointCloud/PointCloudWithPerPointProperties/tileset.json",
        });
        viewer.scene.primitives.add(tileset);
        viewer.zoomTo(tileset, new Cesium.HeadingPitchRange(0.0, -1.0, 50.0));

        var styles = [];
        function addStyle(name, style) {
          style.pointSize = Cesium.defaultValue(style.pointSize, 5.0);
          styles.push({
            name: name,
            style: style,
          });
        }

        addStyle("No Style", {});

        addStyle("Red", {
          color: "color('#ff0000')",
        });

        addStyle("Color Gradient", {
          color: "color() * ${temperature}",
        });

        addStyle("Step Red/Blue", {
          color: "${temperature} > 0.5 ? color('red') : color('blue')",
        });

        addStyle("Interpolate Red/Blue", {
          color:
            "color('red') * ${temperature} + color('blue') * (1.0 - ${temperature})",
        });

        addStyle("Color Ramp", {
          color: {
            conditions: [
              ["${temperature} < 0.1", "color('#000099')"],
              ["${temperature} < 0.2", "color('#00cc99', 1.0)"],
              ["${temperature} < 0.3", "color('#66ff33', 0.5)"],
              ["${temperature} < 0.4", "rgba(255, 255, 0, 0.1)"],
              ["${temperature} < 0.5", "rgb(255, 128, 0)"],
              ["${temperature} < 0.6", "color('red')"],
              ["${temperature} < 0.7", "color('rgb(255, 102, 102)')"],
              ["${temperature} < 0.8", "hsl(0.875, 1.0, 0.6)"],
              ["${temperature} < 0.9", "hsla(0.83, 1.0, 0.5, 0.1)"],
              ["true", "color('#FFFFFF', 1.0)"],
            ],
          },
        });

        addStyle("Transparency", {
          color: "rgba(0, 255, 0, ${temperature})",
        });

        addStyle("Hide Low Temperature", {
          color: "rgb(${temperature}*255, 0, 0)",
          show: "${temperature} > 0.3",
        });

        addStyle("Show Subsections", {
          show: "${id} === 1 || ${id} > 250 && ${id} < 300",
        });

        addStyle("Mod", {
          show: "${id} % 2 === 0",
        });

        addStyle("Abs", {
          color: "color() * abs(${temperature} - 0.5)",
        });

        addStyle("Trigonometric Functions", {
          color:
            "color() * radians(cos(${temperature})) + color() * sin(${temperature}) + color() * tan(${temperature})",
        });

        addStyle("Arc Trigonometric Functions", {
          color:
            "color() * acos(degrees(${temperature})) + color() * asin(${temperature}) + color() * atan(${temperature}) + color() * atan2(${POSITION}[0],${temperature})",
        });

        addStyle("Sqrt", {
          color: "color() * sqrt(${temperature})",
        });

        addStyle("Sign", {
          color:
            "rgb(sign(${POSITION}[0]) * 255, sign(${POSITION}[1]) * 255, sign(${POSITION}[2]) * 255)",
        });

        addStyle("Rounding Functions", {
          color:
            "rgb(floor(${POSITION}[0]) * 255, ceil(${POSITION}[1]) * 255, round(${POSITION}[2]) * 255)",
        });

        addStyle("Exp and Log Functions", {
          color:
            "rgb(log(${POSITION}[0]) * 255, log2(${POSITION}[1]) * 255 + exp2(${POSITION}[1]) * 255, exp(${POSITION}[2]) * 255)",
        });

        addStyle("Fractional Part", {
          color:
            "rgb(fract(${POSITION}[0]) * 255, fract(${POSITION}[1]) * 255, fract(${POSITION}[2]) * 255)",
        });

        addStyle("Pow", {
          color: "color() * pow(${temperature}, 3)",
        });

        addStyle("Min and Max", {
          color:
            "rgb(min(${POSITION}.x, 0.75) * 255, max(${POSITION}.z, 0.25) * 255, 255)",
        });

        addStyle("Clamp and Mix", {
          color: "color() * clamp(${temperature}, 0.1, 0.2)",
        });

        addStyle("Secondary Color", {
          color: {
            conditions: [
              ["${id} < 250", "vec4(${secondaryColor}, 1.0)"],
              [
                "${id} < 500",
                "vec4(${secondaryColor} * ${secondaryColor}, 1.0)",
              ],
              ["${id} < 750", "vec4(${secondaryColor} / 5.0, 1.0)"],
              [
                "${id} < 1000",
                "rgb(0, 0, Number(${secondaryColor}.x < 0.5) * 255)",
              ],
            ],
          },
        });

        addStyle("Use point colors", {
          color: "${COLOR} * ${temperature} + rgb(128,128,128)",
        });

        addStyle("Use point positions", {
          show:
            "${POSITION}[0] > 0.5 || ${POSITION}[1] > 0.5 || ${POSITION}[2] > 0.5",
        });

        // POSITION contains 0 as its last component, so add 1.0 to make the point cloud opaque
        addStyle("Color based on position", {
          color: "vec4(${POSITION}, 1.0)",
        });

        addStyle("Style point size", {
          color: "color('red')",
          pointSize: "${temperature} * 10",
        });

        addStyle("Multiple defines", {
          defines: {
            length: "length(${POSITION})",
            time: "${tiles3d_tileset_time} * 3.0",
          },
          color: {
            conditions: [
              ["${length} < 0.5", "${length} * color('red')"],
              [
                "${length} < 1.0",
                "vec4(vec3(${temperature} * fract(${time})), 1.0)",
              ],
              ["true", "${COLOR}"],
            ],
          },
          pointSize: "5.0 - ${length} * 2.0",
          show: "${length} < 2.0",
        });

        function setStyle(style) {
          return function () {
            tileset.style = new Cesium.Cesium3DTileStyle(style);
          };
        }

        var styleOptions = [];
        for (var i = 0; i < styles.length; ++i) {
          var style = styles[i];
          styleOptions.push({
            text: style.name,
            onselect: setStyle(style.style),
          });
        }

        Sandcastle.addToolbarMenu(styleOptions);
        //Sandcastle_End
        Sandcastle.finishedLoading();
      }
      if (typeof Cesium !== "undefined") {
        window.startupCalled = true;
        startup(Cesium);
      }
    </script>
  </body>
</html>

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