mirror of
https://github.com/mihakralj/QuanTAlib.git
synced 2026-08-04 20:17:43 +00:00
Miha Kralj
24e86d762a
- Updated BBWN, BBWP, CCV, CV, CVI, EWMA, GKV, HLV, HV, Jvolty, JVOLTYN, MASSI, NATR, RSV, RV, RVI, TR, UI, VOV, VR, YZV indicators with documentation links. - Added documentation links for Aberration, Acceleration Bands, Andrews' Pitchfork, Adaptive Price Zone, ATR Bands, Bollinger Bands, Center of Gravity, Donchian Channels, Decay Min-Max Channel, Detrended Synthetic Price, EACP, EBSW, HOMOD, Jurik Volatility Bands, Keltner Channel, MA Envelope, Min-Max Channel, Price Channel, Regression Channels, Standard Deviation Channel, Stoller Average Range Channel, Super Trend Bands, Ultimate Bands, Ultimate Channel, VWAP Bands, and VWAP with Standard Deviation Bands.
45 lines
2.4 KiB
Plaintext
45 lines
2.4 KiB
Plaintext
// The MIT License (MIT)
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// © mihakralj
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//@version=6
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indicator("Solar Cycle (SOLAR)", "SOLAR", overlay=false)
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//@function Calculates precise solar cycle value using Sun's ecliptic longitude.
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//@param barTime int The timestamp of the bar (open time) in milliseconds.
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//@returns float Solar cycle value from -1.0 (winter solstice) through 0.0 (equinoxes) to +1.0 (summer solstice).
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//@optimized for performance and dirty data
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solar(int barTime) =>
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float jd = (barTime / 86400000.0) + 2440587.5
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float T = (jd - 2451545.0) / 36525.0
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float l0DegRaw = 280.46646 + 36000.76983 * T + 0.0003032 * T * T
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float l0Deg = (l0DegRaw % 360.0 + 360.0) % 360.0
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float mDegRaw = 357.52911 + 35999.05029 * T - 0.0001537 * T * T - 0.00000025 * T * T * T
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float mDeg = (mDegRaw % 360.0 + 360.0) % 360.0
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float mRad = mDeg * math.pi / 180.0
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float cDeg = (1.914602 - 0.004817 * T - 0.000014 * T * T) * math.sin(mRad) +
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(0.019993 - 0.000101 * T) * math.sin(2.0 * mRad) +
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0.000289 * math.sin(3.0 * mRad)
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float lambdaSunDegRaw = l0Deg + cDeg
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float lambdaSunDeg = (lambdaSunDegRaw % 360.0 + 360.0) % 360.0
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float lambdaSunRad = lambdaSunDeg * math.pi / 180.0
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float valueRaw = math.sin(lambdaSunRad)
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valueRaw
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// ---------- Main loop ----------
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// Calculation
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float solarCycleValue = solar(time)
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float delta1 = solarCycleValue - solarCycleValue[1]
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bool summerSolsticeCondition = solarCycleValue > 0.985 and solarCycleValue[1] > 0.985 and delta1 < 0 and delta1[1] > 0
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bool vernalEquinoxCondition = solarCycleValue[1] < 0.0 and solarCycleValue >= 0.0 and delta1 > 0
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bool winterSolsticeCondition = solarCycleValue < -0.985 and solarCycleValue[1] < -0.985 and delta1 > 0 and delta1[1] < 0
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bool autumnalEquinoxCondition = solarCycleValue[1] > 0.0 and solarCycleValue <= 0.0 and delta1 < 0
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// Plot
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plot(solarCycleValue, "Solar Cycle", color=color.yellow, linewidth=2)
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// Plotchars
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plotchar(summerSolsticeCondition ? solarCycleValue : na, "Peak Summer", "•", location.absolute, color.new(color.red,0), size = size.small)
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plotchar(vernalEquinoxCondition ? 0.0 : na, "Spring Rise", "•", location.absolute, color.new(color.yellow,0), size = size.small)
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plotchar(winterSolsticeCondition ? solarCycleValue : na, "Peak Winter", "•", location.absolute, color.new(color.blue,0), size = size.small)
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plotchar(autumnalEquinoxCondition ? 0.0 : na, "Autumn Fall", "•", location.absolute, color.new(color.yellow,0), size = size.small)
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