VisiOmatic web client

Class

Cylindrical

Extends

new Cylindrical(header, optionsopt) → {Cylindrical}

Base class for cylindrical WCS (World Coordinate System) projections.

Parameters

  • header object

    JSON representation of the image header.

  • options projParam <optional>

    Projection options: see Projection.

See

Returns

  • Cylindrical

    Instance of a cylindrical projection.

Source

Methods

privatestatic

_rToTheta(r) → {number}

Convert cylindrical R coordinate to native theta angle.

Parameters

  • r number

    R cylindrical coordinate in degrees.

Returns

  • number

    Native theta angle in degrees.

Source

privatestatic

_thetaToR(theta) → {number}

Convert native theta angle to cylindrical R.

Parameters

  • theta number

    Native theta angle in degrees.

Returns

  • number

    R cylindrical coordinate in degrees.

Source