Graham McIntire
45e2e69361
Fetch elevation data along the path between two stations via the Open-Meteo Elevation API (with Open-Topo-Data fallback), compute Fresnel zone clearance, earth bulge, and knife-edge diffraction loss, and store the results per QSO. - terrain_profiles table with migration and TerrainProfile schema - ElevationClient with batched API calls and fallback - TerrainAnalysis with Fresnel/diffraction physics (ITU-R P.526-15) - TerrainProfileWorker on Oban :terrain queue - QsoWeatherEnqueueWorker enqueues terrain jobs automatically - QSO show page displays verdict badge and collapsible elevation table - Reorder show page: terrain, soundings, solar, HRRR, surface obs - Fix Dockerfile wgrib2 build (add cmake dependency)
34 lines
1,003 B
Elixir
34 lines
1,003 B
Elixir
defmodule Microwaveprop.Terrain.TerrainProfile do
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@moduledoc false
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use Ecto.Schema
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import Ecto.Changeset
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@primary_key {:id, :binary_id, autogenerate: true}
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@foreign_key_type :binary_id
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schema "terrain_profiles" do
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belongs_to :qso, Microwaveprop.Radio.Qso
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field :sample_count, :integer
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field :path_points, {:array, :map}
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field :max_elevation_m, :float
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field :min_clearance_m, :float
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field :diffraction_db, :float
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field :fresnel_hit_count, :integer
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field :obstructed_count, :integer
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field :verdict, :string
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timestamps(type: :utc_datetime)
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end
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@required_fields ~w(qso_id sample_count path_points verdict)a
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@optional_fields ~w(max_elevation_m min_clearance_m diffraction_db fresnel_hit_count obstructed_count)a
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def changeset(profile, attrs) do
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profile
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|> cast(attrs, @required_fields ++ @optional_fields)
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|> validate_required(@required_fields)
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|> foreign_key_constraint(:qso_id)
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|> unique_constraint([:qso_id])
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end
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end
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