Introduction
This document describes the built-in Flow Graph modules of the following categories for compounds:
- Astro / Calculation - Modules that build astronomical time and compute celestial, orbital, fixed-star, and house data collections.
- Astro / Bodies - Modules that build 3D mesh paths from sampled planetary motion and orbital elements.
Astro / Calculation
This section describes the built-in Flow Graph modules that build astronomical time and compute celestial, orbital, fixed-star, and house data collections.
Astro Base
- Category: Astro / Calculation
- Access: All editions.
- Function: Adds shared astronomical base values to the incoming data collection.
- Input pins:
- ⏺ Data (collection) - Input collection that should contain TIME values for base calculations.
- Output pins:
- ⏺ Data (collection) - Cloned input collection extended with BASE values such as obliquity, nutation, and ayanamsa.
Astro Fixed Stars
- Category: Astro / Calculation
- Access: All editions.
- Function: Adds fixed-star entries to the incoming data collection at the current ephemeris time.
- Input pins:
- ⏺ Data (collection) - Input collection that should contain TIME values for fixed-star calculations.
- Output pins:
- ⏺ Data (collection) - Cloned input collection extended with fixed-star objects.
Astro Houses
- Category: Astro / Calculation
- Access: All editions.
- Function: Adds astrological houses and optional axis-related points to the incoming data collection.
- Input pins:
- ⏺ Data (collection) - Input collection that should contain TIME and BASE values for house calculations.
- ⏺ House System (integer, House System) - Selects the house-system algorithm used for cusp and axis calculations.
- ⏺ Axises (logical) - When on, adds Asc, MC, Dsc, and IC points.
- ⏺ Houses (logical) - When on, adds house cusp objects for houses 1 through 12.
- ⏺ Vertices (logical) - When on, adds additional vertex-related points such as Vtx, EP, Cas, and Pas.
- Output pins:
- ⏺ Data (collection) - Cloned input collection extended with selected house and axis objects.
Astro Orbit
- Category: Astro / Calculation
- Access: All editions.
- Function: Computes orbital position from orbital elements and outputs the position at the requested time.
- Input pins:
- ⏺ Data (collection) - Optional orbit-data collection to read orbital elements from.
- ⏺ Semi Major Axis (double precision scalar) - Semi-major axis used when Data is not connected.
- ⏺ Eccentricity (double precision scalar) - Orbital eccentricity used when Data is not connected.
- ⏺ Inclination (double precision scalar) - Orbital inclination in degrees used when Data is not connected.
- ⏺ Ascending Node (double precision scalar) - Longitude of the ascending node in degrees used when Data is not connected.
- ⏺ Arg Of Pericenter (double precision scalar) - Argument of pericenter in degrees used when Data is not connected.
- ⏺ Mean Anomaly (double precision scalar) - Mean anomaly in degrees used when Data is not connected.
- ⏺ Period (double precision scalar) - Orbital period used when Data is not connected.
- ⏺ Epoch (double precision scalar) - Epoch time used as the orbit reference when Data is not connected.
- ⏺ Time (double precision scalar) - Time parameter at which the orbital position is evaluated.
- Output pins:
- ⏺ Data (collection) - Passes through connected orbit data, or outputs generated orbit data from manual inputs when connected downstream.
- ⏺ Position (vector) - Calculated 3D orbital position at Time.
Astro Planets
- Category: Astro / Calculation
- Access: All editions.
- Function: Adds selected celestial-body groups to the incoming data collection for the current ephemeris time.
- Input pins:
- ⏺ Data (collection) - Input collection that should contain TIME values for planet calculations.
- ⏺ Planets (logical) - When on, adds major planets from Sun through Pluto, plus Earth in heliocentric mode.
- ⏺ Nodes (logical) - When on, adds lunar node and apogee objects.
- ⏺ Asteroids (logical) - When on, adds selected asteroid objects from Chiron through Vesta.
- ⏺ Uranians (logical) - When on, adds Uranian hypothetical planets from Cupido through Poseidon.
- ⏺ Other (logical) - When on, adds additional objects from Isis through Waldemath.
- ⏺ Speed (logical) - When on, includes speed values in calculated planetary data.
- ⏺ Equatorial (logical) - When on, calculates equatorial coordinates instead of ecliptic coordinates.
- ⏺ Heliocentric (logical) - When on, calculates heliocentric coordinates instead of geocentric coordinates.
- Output pins:
- ⏺ Data (collection) - Cloned input collection extended with the selected celestial objects.
Astro Time
- Category: Astro / Calculation
- Access: All editions.
- Function: Builds astronomical time data from calendar, clock, timezone, and location inputs.
- Input pins:
- ⏺ Calendar (integer, Calendar) - Selects whether the input date is interpreted in the Julian or Gregorian calendar.
- ⏺ BC (logical) - When on, interprets the year as BC.
- ⏺ Year (integer) - Calendar year component of the input date.
- ⏺ Month (integer) - Month component of the input date.
- ⏺ Day (integer) - Day component of the input date.
- ⏺ Hour (integer) - Hour component of the input time.
- ⏺ Minute (integer) - Minute component of the input time.
- ⏺ Second (double precision scalar) - Second component of the input time.
- ⏺ Time Mode (integer, Time Mode) - Selects whether the input time is Greenwich Mean Time, Local Mean Time, or Zone Time.
- ⏺ Zone West (logical) - For Zone Time mode, selects westward timezone offset direction when on.
- ⏺ Zone Hour (integer) - Hour part of the timezone offset used in Zone Time mode.
- ⏺ Zone Minute (integer) - Minute part of the timezone offset used in Zone Time mode.
- ⏺ Geo Lat Long (vector) - Observer latitude and longitude used for local time and sidereal calculations.
- ⏺ Time Offset (double precision scalar) - Additional time offset in seconds applied after the selected time mode conversion.
- Output pins:
- ⏺ Data (collection) - Collection containing TIME values such as Julian day, ephemeris time, sidereal time, RAMC, and observer coordinates.
- ⏺ Julian Day (double precision scalar) - Computed Julian day value after calendar and time-mode conversions.
Astro / Bodies
This section describes the built-in Flow Graph modules that build 3D mesh paths from sampled planetary motion and orbital elements.
Astro Motion Path
- Category: Astro / Bodies
- Access: All editions.
- Function: Builds a 3D tube path from a planet's sampled motion over an ephemeris time range.
- Input pins:
- ⏺ Parent (scene object child reference) - Connects parent node to this object.
- ⏺ Active (logical) - When off, this scene object and its subtree remain invisible.
- ⏺ Grouping (vector) - Selects visibility groups for which the object is rendered.
- ⏺ Shader (shader) - Shader used to render this mesh.
- ⏺ Index (integer) - When this object is a child of an IndexerNode, selects which property set from that IndexerNode is used.
- ⏺ Force Visible (logical) - When on, keeps the mesh visible regardless of normal visibility checks.
- ⏺ Force Distance (scalar) - Distance value used by forced visibility handling.
- ⏺ Build Factor (scalar) - Determines what percentage of the mesh is rendered (0 to 1), enabling a build-up effect when animated.
- ⏺ Vertex Color (color) - Per-mesh vertex color multiplier.
- ⏺ Shader Index (integer) - Shader-material slot index used for rendering when a Shader Array is used.
- ⏺ Two Sided (logical) - When on, renders both front and back faces.
- ⏺ Planet (integer, Planet) - Selects which celestial object is sampled to build the path.
- ⏺ Equatorial (logical) - When on, samples equatorial coordinates instead of ecliptic coordinates.
- ⏺ Heliocentric (logical) - When on, samples heliocentric coordinates instead of geocentric coordinates.
- ⏺ Ephem Time Start (double precision scalar) - Ephemeris start time for the first sampled point on the path.
- ⏺ Time Interval (double precision scalar) - Total ephemeris time span covered by the sampled path.
- ⏺ Segments (integer) - Number of path segments used for sampling and mesh generation.
- ⏺ Thickness (scalar) - Radius of the generated tube along the path.
- ⏺ Perim Segments (integer) - Number of segments around the tube cross-section.
- ⏺ Pipe Roll (scalar) - Roll angle of the tube profile around the path direction.
- ⏺ TV Start (scalar) - Starting V texture coordinate along the generated tube.
- ⏺ TV Scale (scalar) - Scale factor applied to V texture coordinates along the tube.
- Output pins:
- ⏺ Bounds Min (vector) - Minimum corner of the mesh bounds.
- ⏺ Bounds Max (vector) - Maximum corner of the mesh bounds.
Astro Orbit Path
- Category: Astro / Bodies
- Access: All editions.
- Function: Builds a 3D tube path from orbital elements over one normalized orbit cycle.
- Input pins:
- ⏺ Parent (scene object child reference) - Connects parent node to this object.
- ⏺ Active (logical) - When off, this scene object and its subtree remain invisible.
- ⏺ Grouping (vector) - Selects visibility groups for which the object is rendered.
- ⏺ Shader (shader) - Shader used to render this mesh.
- ⏺ Index (integer) - When this object is a child of an IndexerNode, selects which property set from that IndexerNode is used.
- ⏺ Force Visible (logical) - When on, keeps the mesh visible regardless of normal visibility checks.
- ⏺ Force Distance (scalar) - Distance value used by forced visibility handling.
- ⏺ Build Factor (scalar) - Determines what percentage of the mesh is rendered (0 to 1), enabling a build-up effect when animated.
- ⏺ Vertex Color (color) - Per-mesh vertex color multiplier.
- ⏺ Shader Index (integer) - Shader-material slot index used for rendering when a Shader Array is used.
- ⏺ Two Sided (logical) - When on, renders both front and back faces.
- ⏺ Data (collection) - Optional orbit-data collection to read orbital elements from.
- ⏺ Semi Major Axis (double precision scalar) - Semi-major axis used when Data is not connected.
- ⏺ Eccentricity (double precision scalar) - Orbital eccentricity used when Data is not connected.
- ⏺ Inclination (double precision scalar) - Orbital inclination in degrees used when Data is not connected.
- ⏺ Ascending Node (double precision scalar) - Longitude of the ascending node in degrees used when Data is not connected.
- ⏺ Arg Of Pericenter (double precision scalar) - Argument of pericenter in degrees used when Data is not connected.
- ⏺ Segments (integer) - Number of path segments used for orbit sampling and mesh generation.
- ⏺ Thickness (scalar) - Radius of the generated tube along the orbit path.
- ⏺ Perim Segments (integer) - Number of segments around the tube cross-section.
- ⏺ Pipe Roll (scalar) - Roll angle of the tube profile around the path direction.
- ⏺ TV Start (scalar) - Starting V texture coordinate along the generated tube.
- ⏺ TV Scale (scalar) - Scale factor applied to V texture coordinates along the tube.
- Output pins:
- ⏺ Bounds Min (vector) - Minimum corner of the mesh bounds.
- ⏺ Bounds Max (vector) - Maximum corner of the mesh bounds.
