Calculate Placidus house cusps
Uses iterative pole-height method from Swiss Ephemeris. Falls back to Porphyry if latitude is too high (>66°).
Ascendant in degrees (0-360)
Midheaven in degrees (0-360)
Geographic latitude in degrees
Obliquity of ecliptic in degrees
House cusps (1-12)
If calculation fails (automatically falls back to Porphyry)
Calculate Placidus house cusps
Uses iterative pole-height method from Swiss Ephemeris. Falls back to Porphyry if latitude is too high (>66°).