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grid-layer.js
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grid-layer.js
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// Copyright (c) 2020 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 {GeoJsonLayer} from '@deck.gl/layers';
import EnhancedGridLayer from 'deckgl-layers/grid-layer/enhanced-cpu-grid-layer';
import AggregationLayer from '../aggregation-layer';
import {pointToPolygonGeo} from './grid-utils';
import GridLayerIcon from './grid-layer-icon';
export const gridVisConfigs = {
opacity: 'opacity',
worldUnitSize: 'worldUnitSize',
colorRange: 'colorRange',
coverage: 'coverage',
sizeRange: 'elevationRange',
percentile: 'percentile',
elevationPercentile: 'elevationPercentile',
elevationScale: 'elevationScale',
colorAggregation: 'aggregation',
sizeAggregation: 'sizeAggregation',
enable3d: 'enable3d'
};
export default class GridLayer extends AggregationLayer {
constructor(props) {
super(props);
this.registerVisConfig(gridVisConfigs);
this.visConfigSettings.worldUnitSize.label = 'columns.grid.worldUnitSize';
}
get type() {
return 'grid';
}
get layerIcon() {
return GridLayerIcon;
}
renderLayer(opts) {
const {data, objectHovered, mapState} = opts;
const zoomFactor = this.getZoomFactor(mapState);
const {visConfig} = this.config;
const cellSize = visConfig.worldUnitSize * 1000;
const hoveredObject = this.hasHoveredObject(objectHovered);
return [
new EnhancedGridLayer({
...this.getDefaultAggregationLayerProp(opts),
...data,
wrapLongitude: false,
cellSize
}),
// render an outline of each cell if not extruded
...(hoveredObject && !visConfig.enable3d
? [
new GeoJsonLayer({
...this.getDefaultHoverLayerProps(),
wrapLongitude: false,
data: [
pointToPolygonGeo({
object: hoveredObject,
cellSize,
coverage: visConfig.coverage,
mapState
})
],
getLineColor: this.config.highlightColor,
lineWidthScale: 8 * zoomFactor
})
]
: [])
];
}
}