ppetru/opensprinkler-weather
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Correctly clamp precipitation value to 0 when negative

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This commit is contained in:
Samer Albahra
2016-06-04 01:40:29 -05:00
parent 9c827ded59
commit 58e5db163c
1 changed files with 17 additions and 15 deletions
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8
routes/weather.js
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@@ -73,7 +73,9 @@ function getWeatherUndergroundData( location, weatherUndergroundKey, callback )
try {
data = JSON.parse( data );
var weather = {
var currentPrecip = parseFloat( data.current_observation.precip_today_in ),
yesterdayPrecip = parseFloat( data.history.dailysummary[ 0 ].precipi ),
weather = {
icon: data.current_observation.icon,
timezone: data.current_observation.local_tz_offset,
sunrise: parseInt( data.sun_phase.sunrise.hour ) * 60 + parseInt( data.sun_phase.sunrise.minute ),
@@ -82,7 +84,7 @@ function getWeatherUndergroundData( location, weatherUndergroundKey, callback )
minTemp: parseInt( data.history.dailysummary[ 0 ].mintempi ),
temp: parseInt( data.current_observation.temp_f ),
humidity: ( parseInt( data.history.dailysummary[ 0 ].maxhumidity ) + parseInt( data.history.dailysummary[ 0 ].minhumidity ) ) / 2,
precip: ( parseFloat( data.current_observation.precip_today_in ) || 0 ) + ( parseFloat( data.history.dailysummary[ 0 ].precipi ) || 0 ),
precip: ( currentPrecip < 0 ? 0 : currentPrecip ) + ( yesterdayPrecip < 0 ? 0 : yesterdayPrecip ),
solar: parseInt( data.current_observation.UV ),
wind: parseInt( data.history.dailysummary[ 0 ].meanwindspdi ),
elevation: parseInt( data.current_observation.observation_location.elevation )
@@ -322,7 +324,7 @@ function calculateWeatherScale( adjustmentMethod, adjustmentOptions, weather ) {
var temp = ( ( weather.maxTemp + weather.minTemp ) / 2 ) || weather.temp,
humidityFactor = ( humidityBase - weather.humidity ),
tempFactor = ( ( temp - tempBase ) * 4 ),
precipFactor = ( (precipBase - weather.precip ) * 200 );
precipFactor = ( ( precipBase - weather.precip ) * 200 );
// Apply adjustment options, if provided, by multiplying the percentage against the factor
if ( adjustmentOptions ) {