kepler.gl
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kepler.gl is a webgl based application to visualize large scale location data in the browser
272 lines (262 loc) • 38.5 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");
function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t["return"] || t["return"](); } finally { if (u) throw o; } } }; }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; } // SPDX-License-Identifier: MIT
// Copyright contributors to the kepler.gl project
// TODO isolate types - depends on @kepler.gl/schemas
// Retains the last LightingEffect deckEffect so we can keep it in the
// effects array (with shadows disabled) after the user removes the
// Light & Shadow effect from the UI. Without this, deck.gl calls
// cleanup() which removes the shadow shader module, but existing layer
// models still have shadow_uShadowMap bindings → texture errors.
var _lastLightingDeckEffect = null;
function computeDeckEffects(_ref) {
var visState = _ref.visState,
mapState = _ref.mapState,
isExport = _ref.isExport;
// TODO: 1) deck effects per deck context 2) preserved between draws
var hasLightingShadow = false;
var deckEffects = visState.effectOrder.map(function (effectId) {
var effect = (0, _utils.findById)(effectId)(visState.effects);
if (effect !== null && effect !== void 0 && effect.deckEffect) {
if (effect.isEnabled) {
updateEffect({
visState: visState,
mapState: mapState,
effect: effect
});
} else if (effect.type === _constants.LIGHT_AND_SHADOW_EFFECT.type) {
// Keep lighting effects in the array even when disabled to avoid
// removing the shadow shader module. Composite layer sublayers
// don't regenerate models when default shader modules change,
// leaving stale pipelines with shadow_uShadowMap bindings.
// Disabling shadow on the lights avoids visual effects.
disableLightingEffect(effect);
}
if (effect.isEnabled || effect.type === _constants.LIGHT_AND_SHADOW_EFFECT.type) {
if (effect.type === _constants.LIGHT_AND_SHADOW_EFFECT.type) {
hasLightingShadow = true;
if (!isExport) {
_lastLightingDeckEffect = effect.deckEffect;
}
}
return effect.deckEffect;
}
}
return null;
}).filter(function (effect) {
return effect;
});
if (!hasLightingShadow && _lastLightingDeckEffect) {
disableDeckLightingEffect(_lastLightingDeckEffect);
deckEffects.unshift(_lastLightingDeckEffect);
}
return deckEffects;
}
/**
* Always keep light & shadow effect at the top, then distance fog and
* surface fog right after it (before other post-processing effects).
* Both fog effects read the depth buffer from renderBuffers[0];
* subsequent effects clear depth during their render passes, so fog
* must run before that happens.
*/
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);
}
}
var distanceFogEffect = effects.find(function (effect) {
return effect.type === _constants.DISTANCE_FOG_TYPE;
});
if (distanceFogEffect) {
var _ind = effectOrder.indexOf(distanceFogEffect.id);
var targetPos = lightShadowEffect ? 1 : 0;
if (_ind > targetPos) {
effectOrder.splice(_ind, 1);
effectOrder.splice(targetPos, 0, distanceFogEffect.id);
}
}
var surfaceFogEffect = effects.find(function (effect) {
return effect.type === _constants.SURFACE_FOG_TYPE;
});
if (surfaceFogEffect) {
var _ind2 = effectOrder.indexOf(surfaceFogEffect.id);
var _targetPos = 0;
if (lightShadowEffect) _targetPos++;
if (distanceFogEffect) _targetPos++;
if (_ind2 > _targetPos) {
effectOrder.splice(_ind2, 1);
effectOrder.splice(_targetPos, 0, surfaceFogEffect.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;
}
/**
* Disable shadow rendering on a lighting effect without removing it.
* This keeps the shadow shader module registered and prevents stale
* texture binding errors in composite layer sublayers.
*/
function disableLightingEffect(effect) {
var deckEffect = effect.deckEffect;
if (!deckEffect) return;
disableDeckLightingEffect(deckEffect);
}
/**
* Disable shadow rendering directly on a deck.gl LightingEffect instance.
*/
function disableDeckLightingEffect(deckEffect) {
deckEffect.shadow = false;
deckEffect.outputUniformShadow = false;
var _iterator = _createForOfIteratorHelper(deckEffect.directionalLights || []),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var light = _step.value;
light.shadow = false;
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
}
/**
* 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 _deckEffect$direction, _deckEffect$direction2;
// Re-enable shadow rendering in case it was previously disabled
var deckEffect = effect.deckEffect;
var _iterator2 = _createForOfIteratorHelper(deckEffect.directionalLights || []),
_step2;
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
var light = _step2.value;
light.shadow = true;
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
deckEffect.shadow = (_deckEffect$direction = (_deckEffect$direction2 = deckEffect.directionalLights) === null || _deckEffect$direction2 === void 0 ? void 0 : _deckEffect$direction2.some(function (l) {
return l.shadow;
})) !== null && _deckEffect$direction !== void 0 ? _deckEffect$direction : false;
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;
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["_suncalc","_interopRequireDefault","require","_cloneDeep","_constants","_commonUtils","_utils","_dataUtils","_createForOfIteratorHelper","r","e","t","Symbol","iterator","Array","isArray","_unsupportedIterableToArray","length","_n","F","s","n","done","value","f","TypeError","o","a","u","call","next","_arrayLikeToArray","toString","slice","constructor","name","from","test","_lastLightingDeckEffect","computeDeckEffects","_ref","visState","mapState","isExport","hasLightingShadow","deckEffects","effectOrder","map","effectId","effect","findById","effects","deckEffect","isEnabled","updateEffect","type","LIGHT_AND_SHADOW_EFFECT","disableLightingEffect","filter","disableDeckLightingEffect","unshift","fixEffectOrder","exports","lightShadowEffect","find","ind","indexOf","id","splice","distanceFogEffect","DISTANCE_FOG_TYPE","targetPos","surfaceFogEffect","SURFACE_FOG_TYPE","reorderEffectOrder","originEffectId","destinationEffectId","activeIndex","overIndex","arrayMove","isDaytime","lat","lon","timestamp","date","Date","_SunCalc$getTimes","SunCalc","getTimes","sunrise","sunset","shadow","outputUniformShadow","_iterator","directionalLights","_step","light","err","_ref2","_deckEffect$direction","_deckEffect$direction2","_iterator2","_step2","some","l","parameters","timeMode","sunLight","LIGHT_AND_SHADOW_EFFECT_TIME_MODES","current","now","animation","_visState$animationCo","animationConfig","currentTime","filters","FILTER_TYPES","timeRange","view","FILTER_VIEW_TYPES","enlarged","syncedWithLayerTimeline","_filter$value$","_filter$value","latitude","longitude","intensity","sunLightIntensity","validateEffectParameters","arguments","undefined","effectDescription","result","cloneDeep","forEach","description","defaultValue","min","max","Object","prototype","hasOwnProperty","property","v","i","_defaultValue$i","Number","isFinite","clamp"],"sources":["../src/effect-utils.ts"],"sourcesContent":["// SPDX-License-Identifier: MIT\n// Copyright contributors to the kepler.gl project\n\nimport SunCalc from 'suncalc';\nimport cloneDeep from 'lodash/cloneDeep';\n\nimport type {Effect as DeckEffect} from '@deck.gl/core';\n\nimport {\n  LIGHT_AND_SHADOW_EFFECT,\n  LIGHT_AND_SHADOW_EFFECT_TIME_MODES,\n  FILTER_TYPES,\n  FILTER_VIEW_TYPES,\n  DISTANCE_FOG_TYPE,\n  SURFACE_FOG_TYPE\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\n// Retains the last LightingEffect deckEffect so we can keep it in the\n// effects array (with shadows disabled) after the user removes the\n// Light & Shadow effect from the UI. Without this, deck.gl calls\n// cleanup() which removes the shadow shader module, but existing layer\n// models still have shadow_uShadowMap bindings → texture errors.\nlet _lastLightingDeckEffect: any = null;\n\nexport function computeDeckEffects({\n  visState,\n  mapState,\n  isExport\n}: {\n  visState: VisState;\n  mapState: MapState;\n  isExport?: boolean;\n}): DeckEffect[] {\n  // TODO: 1) deck effects per deck context 2) preserved between draws\n  let hasLightingShadow = false;\n\n  const deckEffects = visState.effectOrder\n    .map(effectId => {\n      const effect = findById(effectId)(visState.effects) as Effect | undefined;\n      if (effect?.deckEffect) {\n        if (effect.isEnabled) {\n          updateEffect({visState, mapState, effect});\n        } else if (effect.type === LIGHT_AND_SHADOW_EFFECT.type) {\n          // Keep lighting effects in the array even when disabled to avoid\n          // removing the shadow shader module. Composite layer sublayers\n          // don't regenerate models when default shader modules change,\n          // leaving stale pipelines with shadow_uShadowMap bindings.\n          // Disabling shadow on the lights avoids visual effects.\n          disableLightingEffect(effect);\n        }\n        if (effect.isEnabled || effect.type === LIGHT_AND_SHADOW_EFFECT.type) {\n          if (effect.type === LIGHT_AND_SHADOW_EFFECT.type) {\n            hasLightingShadow = true;\n            if (!isExport) {\n              _lastLightingDeckEffect = effect.deckEffect;\n            }\n          }\n          return effect.deckEffect;\n        }\n      }\n      return null;\n    })\n    .filter(effect => effect);\n\n  if (!hasLightingShadow && _lastLightingDeckEffect) {\n    disableDeckLightingEffect(_lastLightingDeckEffect);\n    deckEffects.unshift(_lastLightingDeckEffect);\n  }\n\n  return deckEffects;\n}\n\n/**\n * Always keep light & shadow effect at the top, then distance fog and\n * surface fog right after it (before other post-processing effects).\n * Both fog effects read the depth buffer from renderBuffers[0];\n * subsequent effects clear depth during their render passes, so fog\n * must run before that happens.\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\n  const distanceFogEffect = effects.find(effect => effect.type === DISTANCE_FOG_TYPE);\n  if (distanceFogEffect) {\n    const ind = effectOrder.indexOf(distanceFogEffect.id);\n    const targetPos = lightShadowEffect ? 1 : 0;\n    if (ind > targetPos) {\n      effectOrder.splice(ind, 1);\n      effectOrder.splice(targetPos, 0, distanceFogEffect.id);\n    }\n  }\n\n  const surfaceFogEffect = effects.find(effect => effect.type === SURFACE_FOG_TYPE);\n  if (surfaceFogEffect) {\n    const ind = effectOrder.indexOf(surfaceFogEffect.id);\n    let targetPos = 0;\n    if (lightShadowEffect) targetPos++;\n    if (distanceFogEffect) targetPos++;\n    if (ind > targetPos) {\n      effectOrder.splice(ind, 1);\n      effectOrder.splice(targetPos, 0, surfaceFogEffect.id);\n    }\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 * Disable shadow rendering on a lighting effect without removing it.\n * This keeps the shadow shader module registered and prevents stale\n * texture binding errors in composite layer sublayers.\n */\nfunction disableLightingEffect(effect: Effect) {\n  const deckEffect = effect.deckEffect;\n  if (!deckEffect) return;\n  disableDeckLightingEffect(deckEffect);\n}\n\n/**\n * Disable shadow rendering directly on a deck.gl LightingEffect instance.\n */\nfunction disableDeckLightingEffect(deckEffect: any) {\n  deckEffect.shadow = false;\n  deckEffect.outputUniformShadow = false;\n  for (const light of deckEffect.directionalLights || []) {\n    light.shadow = false;\n  }\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    // Re-enable shadow rendering in case it was previously disabled\n    const deckEffect = effect.deckEffect;\n    for (const light of deckEffect.directionalLights || []) {\n      light.shadow = true;\n    }\n    deckEffect.shadow = deckEffect.directionalLights?.some(l => l.shadow) ?? false;\n\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 * All unknown properties aren't modified.\n * @param parameters Parameters candidate for an effect.\n * @param effectDescription Description of an effect.\n * @returns\n */\nexport function validateEffectParameters(\n  parameters: EffectProps['parameters'] = {},\n  effectDescription: EffectDescription['parameters']\n): EffectProps['parameters'] {\n  const result = cloneDeep(parameters);\n  effectDescription.forEach(description => {\n    const {defaultValue, name, type, min, max} = description;\n\n    if (!Object.prototype.hasOwnProperty.call(result, name)) return;\n    const property = result[name];\n\n    if (type === 'color' || type === 'array') {\n      if (!Array.isArray(defaultValue)) return;\n      if (property.length !== defaultValue?.length) {\n        result[name] = defaultValue;\n        return;\n      }\n      defaultValue.forEach((v, i) => {\n        let value = property[i];\n        value = Number.isFinite(value) ? clamp([min, max], value) : defaultValue[i] ?? min;\n        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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