VisiOmatic web client

Class

ZEA

Extends

new ZEA(header, optionsopt) → {ZEA}

Zenithal Equal-Area projection.

Parameters

  • header object

    JSON representation of the image header.

  • options projParam <optional>

    Projection options: see Zenithal.

Returns

  • ZEA

    Instance of a ZEA projection.

Source

Methods

privatestatic

_rToTheta(r) → {number}

Convert zenithal equal-area R coordinate to native theta angle.

Parameters

  • r number

    R zenithal equal-area coordinate in degrees.

Returns

  • number

    Native theta angle in degrees.

Source

privatestatic

_thetaToR(theta) → {number}

Convert native theta angle to zenithal equal-area R.

Parameters

  • theta number

    Native theta angle in degrees.

Returns

  • number

    R zenithal equal-area coordinate in degrees.

Source