Package gaiasky.util

Class Constants

java.lang.Object
gaiasky.util.Constants
public class Constants extends Object
This class contains some constant values, global to the workings of Gaia Sky

  • Field Details

    • DISTANCE_SCALE_FACTOR

      public static double DISTANCE_SCALE_FACTOR
      Distance unit scaling (mainly for VR)

    • ORIGINAL_M_TO_U

      public static double ORIGINAL_M_TO_U

    • M_TO_U

      public static double M_TO_U
      Metre to local unit conversion. Multiply this by all values in m.

    • U_TO_M

      public static double U_TO_M
      Local unit to m conversion.

    • KM_TO_U

      public static double KM_TO_U
      Kilometre to local unit conversion. Multiply this by all values in Km.

    • U_TO_KM

      public static double U_TO_KM
      Local unit to km conversion.

    • AU_TO_U

      public static double AU_TO_U
      AU to local units conversion.

    • U_TO_AU

      public static double U_TO_AU
      Local unit to AU conversion.

    • LY_TO_U

      public static double LY_TO_U
      Light years to local units.

    • U_TO_LY

      public static double U_TO_LY
      Local units to light years.

    • PC_TO_U

      public static double PC_TO_U
      Parsec to local unit conversion. Multiply this by all values in pc.

    • KPC_TO_U

      public static double KPC_TO_U
      Kiloparsec to local unit conversion. Multiply this by all values in Kpc.

    • MPC_TO_U

      public static double MPC_TO_U
      Megaparsec to local unit conversion. Multiply this by all values in Mpc.

    • U_TO_PC

      public static double U_TO_PC
      Local unit to pc conversion.

    • U_TO_KPC

      public static double U_TO_KPC
      Local unit to Kpc conversion.

    • C

      public static final double C
      Speed of light in m/s
      See Also:
      Constant Field Values

    • C_KMH

      public static final double C_KMH
      Speed of light in km/h
      See Also:
      Constant Field Values

    • C_US

      public static double C_US
      Speed of light in internal units per second

    • Ro_TO_KM

      public static final double Ro_TO_KM
      Solar radius in Km
      See Also:
      Constant Field Values

    • Ro_TO_U

      public static double Ro_TO_U
      Solar radius to local units

    • U_TO_Ro

      public static double U_TO_Ro
      Units to solar radius

    • MB_TO_BYTE

      public static final double MB_TO_BYTE
      Bytes to MB
      See Also:
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    • BYTE_TO_MB

      public static final double BYTE_TO_MB
      See Also:
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    • CAMERA_K

      public static double CAMERA_K
      Logarithmic depth buffer constant. Controls the resolution close to the camera

    • STAR_SIZE_FACTOR

      public static final double STAR_SIZE_FACTOR
      Factor we need to use to get the real size of the star given its quad *texture* size
      See Also:
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    • THRESHOLD_DOWN

      public static final double THRESHOLD_DOWN
      Threshold radius/distance where star size remains constant.
      See Also:
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    • THRESHOLD_UP

      public static final double THRESHOLD_UP
      See Also:
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    • MIN_SLIDER

      public static final float MIN_SLIDER
      Minimum generic slider value
      See Also:
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    • MIN_SLIDER_1

      public static final float MIN_SLIDER_1
      Minimum generic slider value (1)
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    • MAX_SLIDER

      public static final float MAX_SLIDER
      Maximum generic slider value
      See Also:
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    • SLIDER_STEP

      public static final float SLIDER_STEP
      Default step value for sliders
      See Also:
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    • SLIDER_STEP_SMALL

      public static final float SLIDER_STEP_SMALL
      Default step value for sliders (small)
      See Also:
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    • SLIDER_STEP_TINY

      public static final float SLIDER_STEP_TINY
      Default step value for sliders (tiny)
      See Also:
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    • MAX_FOV

      public static final float MAX_FOV
      Maximum fov value, in degrees
      See Also:
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    • MIN_FOV

      public static final float MIN_FOV
      Minimum fov value, in degrees
      See Also:
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    • MIN_FPS

      public static final double MIN_FPS
      Minimum limit/frame/camrec fps value
      See Also:
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    • MAX_FPS

      public static final double MAX_FPS
      Maximum limit/frame/camrec fps value
      See Also:
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    • MAX_CAM_SPEED

      public static final float MAX_CAM_SPEED
      Maximum camera speed
      See Also:
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    • MIN_CAM_SPEED

      public static final float MIN_CAM_SPEED
      Minimum camera speed
      See Also:
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    • MAX_ROT_SPEED

      public static final float MAX_ROT_SPEED
      Maximum rotation speed
      See Also:
      Constant Field Values

    • MIN_ROT_SPEED

      public static final float MIN_ROT_SPEED
      Minimum rotation speed
      See Also:
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    • MAX_TURN_SPEED

      public static final float MAX_TURN_SPEED
      Maximum turning speed
      See Also:
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    • MIN_TURN_SPEED

      public static final float MIN_TURN_SPEED
      Minimum turning speed
      See Also:
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    • MIN_STAR_BRIGHTNESS

      public static final float MIN_STAR_BRIGHTNESS
      Minimum star brightness
      See Also:
      Constant Field Values

    • MAX_STAR_BRIGHTNESS

      public static final float MAX_STAR_BRIGHTNESS
      Maximum star brightness
      See Also:
      Constant Field Values

    • MIN_UNSHARP_MASK_FACTOR

      public static final float MIN_UNSHARP_MASK_FACTOR
      See Also:
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    • MAX_UNSHARP_MASK_FACTOR

      public static final float MAX_UNSHARP_MASK_FACTOR
      See Also:
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    • MIN_STAR_BRIGHTNESS_POW

      public static final float MIN_STAR_BRIGHTNESS_POW
      Minimum star brightness power
      See Also:
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    • MAX_STAR_BRIGHTNESS_POW

      public static final float MAX_STAR_BRIGHTNESS_POW
      Maximum star brightness power
      See Also:
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    • MIN_STAR_POINT_SIZE

      public static final float MIN_STAR_POINT_SIZE
      Minimum star pixel size
      See Also:
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    • MAX_STAR_POINT_SIZE

      public static final float MAX_STAR_POINT_SIZE
      Maximum star pixel size
      See Also:
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    • MIN_STAR_MIN_OPACITY

      public static final float MIN_STAR_MIN_OPACITY
      Minimum star minimum opacity
      See Also:
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    • MAX_STAR_MIN_OPACITY

      public static final float MAX_STAR_MIN_OPACITY
      Maximum star minimum opacity
      See Also:
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    • MIN_PM_NUM_FACTOR

      public static final float MIN_PM_NUM_FACTOR
      Minimum number factor for proper motion vectors
      See Also:
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    • MAX_PM_NUM_FACTOR

      public static final float MAX_PM_NUM_FACTOR
      Maximum number factor for proper motion vectors
      See Also:
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    • MIN_PM_LEN_FACTOR

      public static final float MIN_PM_LEN_FACTOR
      Minimum length factor for proper motion vectors
      See Also:
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    • MAX_PM_LEN_FACTOR

      public static final float MAX_PM_LEN_FACTOR
      Maximum length factor for proper motion vectors
      See Also:
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    • MIN_LOD_TRANS_ANGLE_DEG

      public static final float MIN_LOD_TRANS_ANGLE_DEG
      Minimum angle where the LOD transitions start
      See Also:
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    • MAX_LOD_TRANS_ANGLE_DEG

      public static final float MAX_LOD_TRANS_ANGLE_DEG
      Maximum angle where the LOD transitions end
      See Also:
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    • MIN_AMBIENT_LIGHT

      public static final float MIN_AMBIENT_LIGHT
      Min ambient light
      See Also:
      Constant Field Values

    • MAX_AMBIENT_LIGHT

      public static final float MAX_AMBIENT_LIGHT
      Max ambient light
      See Also:
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    • MIN_SC_RESPONSIVENESS

      public static final float MIN_SC_RESPONSIVENESS
      Minimum spacecraft responsiveness
      See Also:
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    • MAX_SC_RESPONSIVENESS

      public static final float MAX_SC_RESPONSIVENESS
      Maximum spacecraft responsiveness
      See Also:
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    • MIN_BRIGHTNESS

      public static final float MIN_BRIGHTNESS
      See Also:
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    • MAX_BRIGHTNESS

      public static final float MAX_BRIGHTNESS
      See Also:
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    • MIN_CONTRAST

      public static final float MIN_CONTRAST
      See Also:
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    • MAX_CONTRAST

      public static final float MAX_CONTRAST
      See Also:
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    • MIN_HUE

      public static final float MIN_HUE
      See Also:
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    • MAX_HUE

      public static final float MAX_HUE
      See Also:
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    • MIN_SATURATION

      public static final float MIN_SATURATION
      See Also:
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    • MAX_SATURATION

      public static final float MAX_SATURATION
      See Also:
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    • MIN_GAMMA

      public static final float MIN_GAMMA
      See Also:
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    • MAX_GAMMA

      public static final float MAX_GAMMA
      See Also:
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    • MIN_EXPOSURE

      public static final float MIN_EXPOSURE
      See Also:
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    • MAX_EXPOSURE

      public static final float MAX_EXPOSURE
      See Also:
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    • MIN_LABEL_SIZE

      public static final float MIN_LABEL_SIZE
      See Also:
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    • MAX_LABEL_SIZE

      public static final float MAX_LABEL_SIZE
      See Also:
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    • MIN_LINE_WIDTH

      public static final float MIN_LINE_WIDTH
      See Also:
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    • MAX_LINE_WIDTH

      public static final float MAX_LINE_WIDTH
      See Also:
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    • MIN_ELEVATION_MULT

      public static final float MIN_ELEVATION_MULT
      See Also:
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    • MAX_ELEVATION_MULT

      public static final float MAX_ELEVATION_MULT
      See Also:
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    • MIN_TESS_QUALITY

      public static final float MIN_TESS_QUALITY
      See Also:
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    • MAX_TESS_QUALITY

      public static final float MAX_TESS_QUALITY
      See Also:
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    • MIN_PARTICLE_SIZE

      public static final float MIN_PARTICLE_SIZE
      See Also:
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    • MAX_PARTICLE_SIZE

      public static final float MAX_PARTICLE_SIZE
      See Also:
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    • MIN_COLOR_NOISE

      public static final float MIN_COLOR_NOISE
      See Also:
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    • MAX_COLOR_NOISE

      public static final float MAX_COLOR_NOISE
      See Also:
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    • MIN_POINTER_GUIDES_WIDTH

      public static final float MIN_POINTER_GUIDES_WIDTH
      See Also:
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    • MAX_POINTER_GUIDES_WIDTH

      public static final float MAX_POINTER_GUIDES_WIDTH
      See Also:
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    • UI_SCALE_INTERNAL_MIN

      public static final float UI_SCALE_INTERNAL_MIN
      See Also:
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    • UI_SCALE_INTERNAL_MAX

      public static final float UI_SCALE_INTERNAL_MAX
      See Also:
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    • UI_SCALE_MIN

      public static final float UI_SCALE_MIN
      See Also:
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    • UI_SCALE_MAX

      public static final float UI_SCALE_MAX
      See Also:
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    • MAX_VSOP_TIME_MS

      public static final long MAX_VSOP_TIME_MS
      See Also:
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    • MIN_VSOP_TIME_MS

      public static final long MIN_VSOP_TIME_MS
      See Also:
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    • WARP_STEPS

      public static final int WARP_STEPS
      See Also:
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    • MAX_WARP

      public static final double MAX_WARP

    • MIN_WARP

      public static final double MIN_WARP

    • MAX_DATASET_SIZE_FACTOR

      public static final float MAX_DATASET_SIZE_FACTOR
      See Also:
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    • MIN_DATASET_SIZE_FACTOR

      public static final float MIN_DATASET_SIZE_FACTOR
      See Also:
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    • MAX_MINIMAP_SIZE

      public static final float MAX_MINIMAP_SIZE
      See Also:
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    • MIN_MINIMAP_SIZE

      public static final float MIN_MINIMAP_SIZE
      See Also:
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    • nameSeparatorRegex

      public static final String nameSeparatorRegex
      See Also:
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    • nameSeparator

      public static final String nameSeparator
      See Also:
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    • STAR_SUBSTITUTE

      public static final String STAR_SUBSTITUTE
      See Also:
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    • URL_GAIA_JSON_SOURCE

      public static final String URL_GAIA_JSON_SOURCE
      See Also:
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    • URL_HIP_JSON_SOURCE

      public static final String URL_HIP_JSON_SOURCE
      See Also:
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    • URL_GAIA_WEB_SOURCE

      public static final String URL_GAIA_WEB_SOURCE
      See Also:
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    • URL_SIMBAD

      public static final String URL_SIMBAD
      See Also:
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    • URL_WIKIPEDIA

      public static final String URL_WIKIPEDIA
      See Also:
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    • URL_WIKI_API_SUMMARY

      public static final String URL_WIKI_API_SUMMARY
      See Also:
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    • PREC

      public static final int PREC
      Apfloat default precision
      See Also:
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    • N_DIR_LIGHTS

      public static final int N_DIR_LIGHTS
      Number of directional lights
      See Also:
      Constant Field Values

  • Constructor Details

    • Constants

      public Constants()

  • Method Details

    • getCameraK

      public static float getCameraK()

    • initialize

      public static void initialize​(double distanceScaleFactor)

    • withinVSOPTime

      public static boolean withinVSOPTime​(long time)
      Checks whether the given time is within the acceptable bounds of VSOP87 algorithms.
      Parameters:
      time - The time as the number of milliseconds since January 1, 1970, 00:00:00 GMT.
      Returns:
      Whether the given time is within the bounds of VSOP