Class AutoProjectionService

Hierarchy

  • AutoProjectionService

Methods

getProjectionList stringToCoordinates tryProjections tryProjectionsWithInversion

Methods

getProjectionList

  • Get an array of projections corresponding to their EPSG codes. Log an error for each code that are not defined in ol projections.

    Returns

    An array of projections.

    Parameters

    • projectionsCodes: string[]

      EPSG codes (e.g. 'EPSG:3857', 'epsg:3857' or '3857').

    Returns Projection[]

stringToCoordinates

  • Parse a string and return a coordinate if the result is valid. Given string must be a two numbers separated by a space.

    Returns

    A coordinate or null if the format is not valid.

    Parameters

    • str: string

      the string to parse.

    Returns Coordinate

tryProjections

  • It projects the point using the projection array and finds the first one for which it falls inside of the viewProjection extent.

    Returns

    A coordinates in the view's projection if it matches in one of the given projections, or null else.

    Parameters

    • coordinates: Coordinate

      The point to test.

    • extent: Extent

      Limits in which coordinates can be valid.

    • viewProjection: Projection

      Target projection the point.

    • Optional opt_projections: (string | Projection)[]

      optional array of projections. The point is tested in each projection, in the order of the array.

    Returns Coordinate

tryProjectionsWithInversion

  • Same as AutoProjection.tryProjections but if tryProjections return null, re-call it with coordinates in reverse order.

    Returns

    A coordinates in the view's projection if it matches in one of the given projections, or null else.

    Parameters

    • coordinates: Coordinate

      The point to test.

    • extent: Extent

      Limits in which coordinates can be valid.

    • viewProjection: Projection

      Target projection the point.

    • Optional opt_projections: (string | Projection)[]

      optional array of projections. The point is tested in each projection, in the order of the array.

    Returns Coordinate

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