{
  "revision": "H6 canopy alternatives; local analytical study",
  "weather": {
    "url": "https://re.jrc.ec.europa.eu/api/v5_3/tmy?lat=40.13810836882861&lon=-8.796904871156531&usehorizon=0&outputformat=json&startyear=2005&endyear=2023",
    "latitude": 40.13810836882861,
    "longitude": -8.796904871156531,
    "grid_convergence_deg": -0.4279159771135667,
    "coordinate_source": "GN_09.26_213 Lares survey EPSG:3763; representative building centre (-56570, 52380)",
    "sha256": "6db8cf9a118634f80aa2bb1acf94b200c50943c85d9bfe2a414c4b2dfe32a672"
  },
  "source_parameters_sha256": "7d21e3ca10d183474fd705c3d6b15e17c9c042ab4381b6e378dad95f7d75840f",
  "method": "Same finite L-shaped opaque canopies, NREL SPA and PVGIS hourly weather as solar_study_e.py; direct ray tests and isotropic diffuse sky quadrature, ground albedo 0.20.",
  "assumptions": {
    "glass_g": 0.6,
    "window_Uw_W_m2K": 1.8,
    "uw_used": false,
    "soffit_z_m": 5.62,
    "summer": "June–August",
    "winter": "December–February"
  },
  "scope": "Upper south and west glazing envelopes only. Gains per square metre of glass; no frame deduction. No movable screens. This is an irradiation/solar-gain comparison, not a new thermal simulation.",
  "limitations": [
    "No indoor temperatures, HVAC or daylight prediction. Winter gain reduction is not heating-energy increase.",
    "Generic constant g ignores angular variation. No neighbouring terrain/building/vegetation shadows.",
    "Canopies treated as opaque and horizontal; not a transparent polycarbonate roof.",
    "Structural capacity, wind, supports, drainage and visual impact of deeper canopies not designed.",
    "Do not compare absolute values directly with the eight-zone study: that uses different diffuse approximations and includes lower windows."
  ],
  "results": [
    {
      "label": "Atual",
      "south_depth_m": 1.2,
      "west_depth_m": 0.6,
      "south": {
        "incident": {
          "summer": 144.39726780719232,
          "winter": 294.6694908024413,
          "warm": 269.5786150173538,
          "annual": 865.7039586852862,
          "sky_view_fraction": 0.7213312174156826
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 86.63836068431539,
          "winter": 176.80169448146478,
          "annual": 519.4223752111717
        },
        "summer_reduction_vs_current_pct": 0.0,
        "winter_reduction_vs_current_pct": 0.0
      },
      "west": {
        "incident": {
          "summer": 299.84538744066856,
          "winter": 108.81330508377607,
          "warm": 482.5946305220242,
          "annual": 812.7183956254479,
          "sky_view_fraction": 0.8162599752445288
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 179.90723246440112,
          "winter": 65.28798305026564,
          "annual": 487.6310373752687
        },
        "summer_reduction_vs_current_pct": 0.0,
        "winter_reduction_vs_current_pct": 0.0
      }
    },
    {
      "label": "Sul 1,50 m",
      "south_depth_m": 1.5,
      "west_depth_m": 0.6,
      "south": {
        "incident": {
          "summer": 132.84318772438152,
          "winter": 275.3526771238913,
          "warm": 241.41919758185273,
          "annual": 786.021981283413,
          "sky_view_fraction": 0.6601197313499527
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 79.70591263462892,
          "winter": 165.21160627433477,
          "annual": 471.61318877004777
        },
        "summer_reduction_vs_current_pct": 8.001591898704397,
        "winter_reduction_vs_current_pct": 6.55541692692605
      },
      "west": {
        "incident": {
          "summer": 299.8168881266337,
          "winter": 108.70592714479982,
          "warm": 482.5201360552719,
          "annual": 812.4039273457147,
          "sky_view_fraction": 0.8159902333787533
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 179.89013287598024,
          "winter": 65.22355628687988,
          "annual": 487.4423564074288
        },
        "summer_reduction_vs_current_pct": 0.009504669816029487,
        "winter_reduction_vs_current_pct": 0.09868089099359656
      }
    },
    {
      "label": "Sul 1,80 m",
      "south_depth_m": 1.8,
      "west_depth_m": 0.6,
      "south": {
        "incident": {
          "summer": 126.14899070797705,
          "winter": 256.3402422545261,
          "warm": 220.286432150855,
          "annual": 717.7921177958463,
          "sky_view_fraction": 0.6057097296269073
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 75.68939442478623,
          "winter": 153.80414535271566,
          "annual": 430.67527067750774
        },
        "summer_reduction_vs_current_pct": 12.637550125658503,
        "winter_reduction_vs_current_pct": 13.007538867881207
      },
      "west": {
        "incident": {
          "summer": 299.7970946872945,
          "winter": 108.63713613930857,
          "warm": 482.47211105914346,
          "annual": 812.1911960839946,
          "sky_view_fraction": 0.8157928723192377
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 179.8782568123767,
          "winter": 65.18228168358513,
          "annual": 487.3147176503967
        },
        "summer_reduction_vs_current_pct": 0.016105885031714173,
        "winter_reduction_vs_current_pct": 0.1619001870514558
      }
    },
    {
      "label": "Sul 2,40 m",
      "south_depth_m": 2.4,
      "west_depth_m": 0.6,
      "south": {
        "incident": {
          "summer": 117.32465396166116,
          "winter": 218.94300621691937,
          "warm": 194.0949741253694,
          "annual": 608.5438521219515,
          "sky_view_fraction": 0.5178185747718372
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 70.39479237699669,
          "winter": 131.3658037301516,
          "annual": 365.1263112731709
        },
        "summer_reduction_vs_current_pct": 18.74870228270531,
        "winter_reduction_vs_current_pct": 25.69878692880768
      },
      "west": {
        "incident": {
          "summer": 299.7720843818255,
          "winter": 108.5708876513877,
          "warm": 482.4231129543865,
          "annual": 811.9333850643734,
          "sky_view_fraction": 0.8155434937094103
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 179.8632506290953,
          "winter": 65.14253259083262,
          "annual": 487.160031038624
        },
        "summer_reduction_vs_current_pct": 0.02444695230056082,
        "winter_reduction_vs_current_pct": 0.22278289608218538
      }
    },
    {
      "label": "Poente 1,20 m",
      "south_depth_m": 1.2,
      "west_depth_m": 1.2,
      "south": {
        "incident": {
          "summer": 143.7080131415259,
          "winter": 294.6170987837943,
          "warm": 268.4843520583881,
          "annual": 864.2273085520104,
          "sky_view_fraction": 0.7203440244199305
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 86.22480788491553,
          "winter": 176.77025927027657,
          "annual": 518.5363851312062
        },
        "summer_reduction_vs_current_pct": 0.4773322072733066,
        "winter_reduction_vs_current_pct": 0.017779926420058434
      },
      "west": {
        "incident": {
          "summer": 251.8563240758889,
          "winter": 95.1502847912795,
          "warm": 407.5587581585533,
          "annual": 693.6078869132167,
          "sky_view_fraction": 0.6818566254648961
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 151.11379444553333,
          "winter": 57.0901708747677,
          "annual": 416.16473214793
        },
        "summer_reduction_vs_current_pct": 16.00460283027546,
        "winter_reduction_vs_current_pct": 12.55638755019648
      }
    },
    {
      "label": "Poente 1,80 m",
      "south_depth_m": 1.2,
      "west_depth_m": 1.8,
      "south": {
        "incident": {
          "summer": 143.34930297056306,
          "winter": 294.59391090303643,
          "warm": 267.90521742195386,
          "annual": 863.4641034437935,
          "sky_view_fraction": 0.7198356606997498
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 86.00958178233783,
          "winter": 176.75634654182184,
          "annual": 518.0784620662761
        },
        "summer_reduction_vs_current_pct": 0.7257511534280336,
        "winter_reduction_vs_current_pct": 0.02564904130355483
      },
      "west": {
        "incident": {
          "summer": 214.742876057743,
          "winter": 85.68765305592848,
          "warm": 351.0683149708782,
          "annual": 604.9833705497826,
          "sky_view_fraction": 0.5839663760184549
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 128.8457256346458,
          "winter": 51.41259183355709,
          "annual": 362.9900223298696
        },
        "summer_reduction_vs_current_pct": 28.382131240809926,
        "winter_reduction_vs_current_pct": 21.252595911908934
      }
    },
    {
      "label": "Sul 1,80 + poente 1,20 m",
      "south_depth_m": 1.8,
      "west_depth_m": 1.2,
      "south": {
        "incident": {
          "summer": 125.31853624859376,
          "winter": 256.20120006731696,
          "warm": 218.8059831723672,
          "annual": 715.5044510396546,
          "sky_view_fraction": 0.6040258993150893
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 75.19112174915625,
          "winter": 153.72072004039018,
          "annual": 429.3026706237927
        },
        "summer_reduction_vs_current_pct": 13.212667973796844,
        "winter_reduction_vs_current_pct": 13.054724678271867
      },
      "west": {
        "incident": {
          "summer": 251.68620061071533,
          "winter": 94.41903014245023,
          "warm": 407.09306173990166,
          "annual": 691.6875846258134,
          "sky_view_fraction": 0.6803138453242494
        },
        "generic_solar_gain_kWh_m2": {
          "summer": 151.0117203664292,
          "winter": 56.651418085470134,
          "annual": 415.012550775488
        },
        "summer_reduction_vs_current_pct": 16.061339892874837,
        "winter_reduction_vs_current_pct": 13.228414420684675
      }
    }
  ],
  "checks": [
    {
      "check": "Spatial refinement Atual south",
      "ok": true,
      "relative_error": 0.0006881070629314371
    },
    {
      "check": "Spatial refinement Atual west",
      "ok": true,
      "relative_error": 0.002900170123650859
    },
    {
      "check": "Spatial refinement Sul 1,80 + poente 1,20 m south",
      "ok": true,
      "relative_error": 0.00023173897645133957
    },
    {
      "check": "Spatial refinement Sul 1,80 + poente 1,20 m west",
      "ok": true,
      "relative_error": 0.003988203975244983
    },
    {
      "check": "south summer monotonic with depth",
      "ok": true
    },
    {
      "check": "south winter monotonic with depth",
      "ok": true
    },
    {
      "check": "west summer monotonic with depth",
      "ok": true
    },
    {
      "check": "west winter monotonic with depth",
      "ok": true
    },
    {
      "check": "Matches previous H1/H6 canopy baseline south",
      "ok": true,
      "relative_error": 0.0006881070629314371
    },
    {
      "check": "Matches previous H1/H6 canopy baseline west",
      "ok": true,
      "relative_error": 0.002900170123650859
    }
  ]
}