kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
164 lines (155 loc) • 21.8 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.computeDeckEffects = computeDeckEffects;
exports.fixEffectOrder = void 0;
exports.reorderEffectOrder = reorderEffectOrder;
exports.validateEffectParameters = validateEffectParameters;
var _suncalc = _interopRequireDefault(require("suncalc"));
var _cloneDeep = _interopRequireDefault(require("lodash/cloneDeep"));
var _constants = require("@kepler.gl/constants");
var _commonUtils = require("@kepler.gl/common-utils");
var _utils = require("./utils");
var _dataUtils = require("./data-utils");
// SPDX-License-Identifier: MIT
// Copyright contributors to the kepler.gl project
// TODO isolate types - depends on @kepler.gl/schemas
function computeDeckEffects(_ref) {
var visState = _ref.visState,
mapState = _ref.mapState;
// TODO: 1) deck effects per deck context 2) preserved between draws
return visState.effectOrder.map(function (effectId) {
var effect = (0, _utils.findById)(effectId)(visState.effects);
if (effect !== null && effect !== void 0 && effect.isEnabled && effect.deckEffect) {
updateEffect({
visState: visState,
mapState: mapState,
effect: effect
});
return effect.deckEffect;
}
return null;
}).filter(function (effect) {
return effect;
});
}
/**
* Always keep light & shadow effect at the top
*/
var fixEffectOrder = exports.fixEffectOrder = function fixEffectOrder(effects, effectOrder) {
var lightShadowEffect = effects.find(function (effect) {
return effect.type === _constants.LIGHT_AND_SHADOW_EFFECT.type;
});
if (lightShadowEffect) {
var ind = effectOrder.indexOf(lightShadowEffect.id);
if (ind > 0) {
effectOrder.splice(ind, 1);
effectOrder.unshift(lightShadowEffect.id);
}
}
return effectOrder;
};
function reorderEffectOrder(effectOrder, originEffectId, destinationEffectId) {
var activeIndex = effectOrder.indexOf(originEffectId);
var overIndex = effectOrder.indexOf(destinationEffectId);
return (0, _commonUtils.arrayMove)(effectOrder, activeIndex, overIndex);
}
/**
* Check if the current time is daytime at the given location
* @param {number} lat Latitude
* @param {number} lon Longitude
* @param {number} timestamp Milliseconds since the Unix Epoch
* @returns boolean
*/
function isDaytime(lat, lon, timestamp) {
var date = new Date(timestamp);
var _SunCalc$getTimes = _suncalc["default"].getTimes(date, lat, lon),
sunrise = _SunCalc$getTimes.sunrise,
sunset = _SunCalc$getTimes.sunset;
return date >= sunrise && date <= sunset;
}
/**
* Update effect to match latest vis and map states
*/
function updateEffect(_ref2) {
var visState = _ref2.visState,
mapState = _ref2.mapState,
effect = _ref2.effect;
if (effect.type === _constants.LIGHT_AND_SHADOW_EFFECT.type) {
var timestamp = effect.parameters.timestamp;
var timeMode = effect.parameters.timeMode;
var sunLight = effect.deckEffect.directionalLights[0];
// set timestamp for shadow
if (timeMode === _constants.LIGHT_AND_SHADOW_EFFECT_TIME_MODES.current) {
timestamp = Date.now();
sunLight.timestamp = timestamp;
} else if (timeMode === _constants.LIGHT_AND_SHADOW_EFFECT_TIME_MODES.animation) {
var _visState$animationCo;
timestamp = (_visState$animationCo = visState.animationConfig.currentTime) !== null && _visState$animationCo !== void 0 ? _visState$animationCo : 0;
if (!timestamp) {
var filter = visState.filters.find(function (filter) {
return filter.type === _constants.FILTER_TYPES.timeRange && (filter.view === _constants.FILTER_VIEW_TYPES.enlarged || filter.syncedWithLayerTimeline);
});
if (filter) {
var _filter$value$, _filter$value;
timestamp = (_filter$value$ = (_filter$value = filter.value) === null || _filter$value === void 0 ? void 0 : _filter$value[0]) !== null && _filter$value$ !== void 0 ? _filter$value$ : 0;
}
}
sunLight.timestamp = timestamp;
}
// output uniform shadow during nighttime
if (isDaytime(mapState.latitude, mapState.longitude, timestamp)) {
effect.deckEffect.outputUniformShadow = false;
sunLight.intensity = effect.parameters.sunLightIntensity;
} else {
effect.deckEffect.outputUniformShadow = true;
sunLight.intensity = 0;
}
}
}
/**
* Validates parameters for an effect, clamps numbers to allowed ranges
* or applies default values in case of wrong non-numeric values.
* All unknown properties aren't modified.
* @param parameters Parameters candidate for an effect.
* @param effectDescription Description of an effect.
* @returns
*/
function validateEffectParameters() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var effectDescription = arguments.length > 1 ? arguments[1] : undefined;
var result = (0, _cloneDeep["default"])(parameters);
effectDescription.forEach(function (description) {
var defaultValue = description.defaultValue,
name = description.name,
type = description.type,
min = description.min,
max = description.max;
if (!Object.prototype.hasOwnProperty.call(result, name)) return;
var property = result[name];
if (type === 'color' || type === 'array') {
if (!Array.isArray(defaultValue)) return;
if (property.length !== (defaultValue === null || defaultValue === void 0 ? void 0 : defaultValue.length)) {
result[name] = defaultValue;
return;
}
defaultValue.forEach(function (v, i) {
var _defaultValue$i;
var value = property[i];
value = Number.isFinite(value) ? (0, _dataUtils.clamp)([min, max], value) : (_defaultValue$i = defaultValue[i]) !== null && _defaultValue$i !== void 0 ? _defaultValue$i : min;
if (value !== undefined) {
property[i] = value;
}
});
return;
}
var value = Number.isFinite(property) ? (0, _dataUtils.clamp)([min, max], property) : defaultValue !== null && defaultValue !== void 0 ? defaultValue : min;
if (value !== undefined) {
result[name] = value;
}
});
return result;
}
//# 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SPDX-License-Identifier: MIT\n// Copyright contributors to the kepler.gl project\n\nimport SunCalc from 'suncalc';\nimport cloneDeep from 'lodash/cloneDeep';\n\nimport {PostProcessEffect} from '@deck.gl/core/typed';\n\nimport {\n  LIGHT_AND_SHADOW_EFFECT,\n  LIGHT_AND_SHADOW_EFFECT_TIME_MODES,\n  FILTER_TYPES,\n  FILTER_VIEW_TYPES\n} from '@kepler.gl/constants';\nimport {arrayMove} from '@kepler.gl/common-utils';\nimport {MapState, Effect, EffectProps, EffectDescription} from '@kepler.gl/types';\nimport {findById} from './utils';\nimport {clamp} from './data-utils';\n\n// TODO isolate types - depends on @kepler.gl/schemas\ntype VisState = any;\n\nexport function computeDeckEffects({\n  visState,\n  mapState\n}: {\n  visState: VisState;\n  mapState: MapState;\n}): PostProcessEffect[] {\n  // TODO: 1) deck effects per deck context 2) preserved between draws\n  return visState.effectOrder\n    .map(effectId => {\n      const effect = findById(effectId)(visState.effects) as Effect | undefined;\n      if (effect?.isEnabled && effect.deckEffect) {\n        updateEffect({visState, mapState, effect});\n        return effect.deckEffect;\n      }\n      return null;\n    })\n    .filter(effect => effect);\n}\n\n/**\n * Always keep light & shadow effect at the top\n */\nexport const fixEffectOrder = (effects: Effect[], effectOrder: string[]): string[] => {\n  const lightShadowEffect = effects.find(effect => effect.type === LIGHT_AND_SHADOW_EFFECT.type);\n  if (lightShadowEffect) {\n    const ind = effectOrder.indexOf(lightShadowEffect.id);\n    if (ind > 0) {\n      effectOrder.splice(ind, 1);\n      effectOrder.unshift(lightShadowEffect.id);\n    }\n  }\n  return effectOrder;\n};\n\nexport function reorderEffectOrder(\n  effectOrder: string[],\n  originEffectId: string,\n  destinationEffectId: string\n): string[] {\n  const activeIndex = effectOrder.indexOf(originEffectId);\n  const overIndex = effectOrder.indexOf(destinationEffectId);\n  return arrayMove(effectOrder, activeIndex, overIndex);\n}\n\n/**\n * Check if the current time is daytime at the given location\n * @param {number} lat Latitude\n * @param {number} lon Longitude\n * @param {number} timestamp Milliseconds since the Unix Epoch\n * @returns boolean\n */\nfunction isDaytime(lat, lon, timestamp) {\n  const date = new Date(timestamp);\n  const {sunrise, sunset} = SunCalc.getTimes(date, lat, lon);\n  return date >= sunrise && date <= sunset;\n}\n\n/**\n * Update effect to match latest vis and map states\n */\nfunction updateEffect({visState, mapState, effect}) {\n  if (effect.type === LIGHT_AND_SHADOW_EFFECT.type) {\n    let {timestamp} = effect.parameters;\n    const {timeMode} = effect.parameters;\n    const sunLight = effect.deckEffect.directionalLights[0];\n\n    // set timestamp for shadow\n    if (timeMode === LIGHT_AND_SHADOW_EFFECT_TIME_MODES.current) {\n      timestamp = Date.now();\n      sunLight.timestamp = timestamp;\n    } else if (timeMode === LIGHT_AND_SHADOW_EFFECT_TIME_MODES.animation) {\n      timestamp = visState.animationConfig.currentTime ?? 0;\n      if (!timestamp) {\n        const filter = visState.filters.find(\n          filter =>\n            filter.type === FILTER_TYPES.timeRange &&\n            (filter.view === FILTER_VIEW_TYPES.enlarged || filter.syncedWithLayerTimeline)\n        );\n        if (filter) {\n          timestamp = filter.value?.[0] ?? 0;\n        }\n      }\n      sunLight.timestamp = timestamp;\n    }\n\n    // output uniform shadow during nighttime\n    if (isDaytime(mapState.latitude, mapState.longitude, timestamp)) {\n      effect.deckEffect.outputUniformShadow = false;\n      sunLight.intensity = effect.parameters.sunLightIntensity;\n    } else {\n      effect.deckEffect.outputUniformShadow = true;\n      sunLight.intensity = 0;\n    }\n  }\n}\n\n/**\n * Validates parameters for an effect, clamps numbers to allowed ranges\n * or applies default values in case of wrong non-numeric values.\n 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 if (value !== undefined) {\n          property[i] = value;\n        }\n      });\n      return;\n    }\n\n    const value = Number.isFinite(property) ? clamp([min, max], property) : defaultValue ?? min;\n\n    if (value !== undefined) {\n      result[name] = value;\n    }\n  });\n  return 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