Add H3 layer

package.json

@@ -74,6 +74,7 @@
     "deck.gl": "4.1.6",
     "fuzzy": "^0.1.3",
     "global": "^4.3.0",
+    "h3-js": "^3.1.0",
     "keymirror": "^0.1.1",
     "lodash.clonedeep": "^4.0.1",
     "lodash.debounce": "^4.0.8",

src/components/side-panel/layer-panel/layer-configurator.js

@@ -370,6 +370,15 @@ export default class LayerConfigurator extends Component {
             {...visConfiguratorProps}
           />
         </LayerConfigGroup>
+
+        {/* Cell size */}
+        <LayerConfigGroup label={'radius'}>
+          <VisConfigSlider
+            {...layer.visConfigSettings.coverage}
+            {...visConfiguratorProps}
+          />
+        </LayerConfigGroup>
+
         {/* height */}
         <LayerConfigGroup
           {...LAYER_VIS_CONFIGS.enable3d}

src/layers/h3-hexagon-layer/enhanced-hexagon-cell-layer.js

@@ -0,0 +1,51 @@
+// Copyright (c) 2018 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+import {HexagonCellLayer} from 'deck.gl';
+
+/*
+ * Amendment to default layer vertex shader
+ * @param {string} vs
+ * @param {bool} opt.highlightPicked - whether to highlight picked element
+ *
+ */
+export function getCellLayerVertex(vs, {highlightPicked}) {
+  let output = vs;
+
+  if (highlightPicked) {
+    output = output.replace(
+      'vec3 lightWeightedColor = lightWeight * instanceColors.rgb;',
+
+      `vec3 lightWeightedColor = lightWeight * mix(1.0, mix(1.0, 1.2, selected), extruded) * instanceColors.rgb;`
+    );
+  }
+
+  return output;
+}
+
+export default class EnhancedHexagonCellLayer extends HexagonCellLayer {
+  getShaders() {
+    const shaders = super.getShaders();
+    const vs = getCellLayerVertex(shaders.vs, {highlightPicked: true});
+    return {...shaders, vs};
+  }
+}
+
+EnhancedHexagonCellLayer.layerName = 'EnhancedHexagonCellLayer';

src/layers/h3-hexagon-layer/h3-hexagon-layer-icon.js

@@ -0,0 +1,48 @@
+// Copyright (c) 2018 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
+import Base from 'components/common/icons/base';
+
+class H3HexagonLayerIcon extends Component {
+  static propTypes = {
+    /** Set the height of the icon, ex. '16px' */
+    height: PropTypes.string,
+    colors: PropTypes.arrayOf(PropTypes.string)
+  };
+  static defaultProps = {
+    height: '16px',
+    predefinedClassName: 'h3-hexagon-layer-icon',
+    totalColor: 4
+  };
+
+  render() {
+    return (
+      <Base {...this.props}>
+        <path d="M44.59,54.5H19.41L6.81,32.68,19.41,10.87H44.59L57.19,32.68Zm-23-3.83H42.38l10.38-18-10.38-18H21.62l-10.38,18Z" />
+        <polygon points="24.65 32.86 24.65 37.79 22.53 37.79 22.53 26.3 24.65 26.3 24.65 30.91 29.32 30.91 29.32 26.3 31.43 26.3 31.43 37.79 29.32 37.79 29.32 32.86 24.65 32.86" />
+        <path d="M33.79,37.05l.6-1.67a5.86,5.86,0,0,0,1.39.61,5.59,5.59,0,0,0,1.5.19A2.57,2.57,0,0,0,39,35.66a1.81,1.81,0,0,0,.61-1.46A1.29,1.29,0,0,0,38.94,33a4.55,4.55,0,0,0-2.05-.32H35.74V31h1.1A5.4,5.4,0,0,0,38,30.85a2.1,2.1,0,0,0,.77-.29,1.53,1.53,0,0,0,.51-.54,1.58,1.58,0,0,0,.15-.73,1.14,1.14,0,0,0-.51-1,2.67,2.67,0,0,0-1.5-.34,4.56,4.56,0,0,0-1.51.24,5,5,0,0,0-1.34.73l-.7-1.61a4.92,4.92,0,0,1,1.66-.83,6.91,6.91,0,0,1,2-.31,4.41,4.41,0,0,1,2.81.79,2.71,2.71,0,0,1,1,2.24,2.33,2.33,0,0,1-.54,1.62,3.45,3.45,0,0,1-1.46.93v0a3,3,0,0,1,1.67.81,2.3,2.3,0,0,1,.64,1.7A3.27,3.27,0,0,1,40.48,37a5,5,0,0,1-3.16.91A6.77,6.77,0,0,1,33.79,37.05Z" />
+      </Base>
+    );
+  }
+};
+
+export default H3HexagonLayerIcon;