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Lalitude main.js (#723)

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Changed lalitude to latitude
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Ángel Montero Lamas 2022-01-09 09:53:02 +01:00 • committed by GitHub
parent 71a3d05334
commit db46a9d94e
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1 changed files with 4 additions and 4 deletions
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main.js
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@ -998,14 +998,14 @@ function generatePrecipitation() {
// x2 = 60-70 latitude: wet summer (rising zone), dry winter (sinking zone) // x2 = 60-70 latitude: wet summer (rising zone), dry winter (sinking zone)
// x1 = 70-85 latitude: dry all year (sinking zone) // x1 = 70-85 latitude: dry all year (sinking zone)
// x0.5 = 85-90 latitude: dry all year (sinking zone) // x0.5 = 85-90 latitude: dry all year (sinking zone)
const lalitudeModifier = [4, 2, 2, 2, 1, 1, 2, 2, 2, 2, 3, 3, 2, 2, 1, 1, 1, 0.5]; const latitudeModifier = [4, 2, 2, 2, 1, 1, 2, 2, 2, 2, 3, 3, 2, 2, 1, 1, 1, 0.5];
const MAX_PASSABLE_ELEVATION = 85; const MAX_PASSABLE_ELEVATION = 85;
// define wind directions based on cells latitude and prevailing winds there // define wind directions based on cells latitude and prevailing winds there
d3.range(0, cells.i.length, cellsX).forEach(function (c, i) { d3.range(0, cells.i.length, cellsX).forEach(function (c, i) {
const lat = mapCoordinates.latN - (i / cellsY) * mapCoordinates.latT; const lat = mapCoordinates.latN - (i / cellsY) * mapCoordinates.latT;
const latBand = ((Math.abs(lat) - 1) / 5) | 0; const latBand = ((Math.abs(lat) - 1) / 5) | 0;
const latMod = lalitudeModifier[latBand]; const latMod = latitudeModifier[latBand];
const windTier = (Math.abs(lat - 89) / 30) | 0; // 30d tiers from 0 to 5 from N to S const windTier = (Math.abs(lat - 89) / 30) | 0; // 30d tiers from 0 to 5 from N to S
const {isWest, isEast, isNorth, isSouth} = getWindDirections(windTier); const {isWest, isEast, isNorth, isSouth} = getWindDirections(windTier);
@ -1022,14 +1022,14 @@ function generatePrecipitation() {
const vertT = southerly + northerly; const vertT = southerly + northerly;
if (northerly) { if (northerly) {
const bandN = ((Math.abs(mapCoordinates.latN) - 1) / 5) | 0; const bandN = ((Math.abs(mapCoordinates.latN) - 1) / 5) | 0;
const latModN = mapCoordinates.latT > 60 ? d3.mean(lalitudeModifier) : lalitudeModifier[bandN]; const latModN = mapCoordinates.latT > 60 ? d3.mean(latitudeModifier) : latitudeModifier[bandN];
const maxPrecN = (northerly / vertT) * 60 * modifier * latModN; const maxPrecN = (northerly / vertT) * 60 * modifier * latModN;
passWind(d3.range(0, cellsX, 1), maxPrecN, cellsX, cellsY); passWind(d3.range(0, cellsX, 1), maxPrecN, cellsX, cellsY);
} }
if (southerly) { if (southerly) {
const bandS = ((Math.abs(mapCoordinates.latS) - 1) / 5) | 0; const bandS = ((Math.abs(mapCoordinates.latS) - 1) / 5) | 0;
const latModS = mapCoordinates.latT > 60 ? d3.mean(lalitudeModifier) : lalitudeModifier[bandS]; const latModS = mapCoordinates.latT > 60 ? d3.mean(latitudeModifier) : latitudeModifier[bandS];
const maxPrecS = (southerly / vertT) * 60 * modifier * latModS; const maxPrecS = (southerly / vertT) * 60 * modifier * latModS;
passWind(d3.range(cells.i.length - cellsX, cells.i.length, 1), maxPrecS, -cellsX, cellsY); passWind(d3.range(cells.i.length - cellsX, cells.i.length, 1), maxPrecS, -cellsX, cellsY);
} }