get_focal_length

Description:

[ Version ( deprecated = true , deprecated_since = "0.14.0" ) ]
public double get_focal_length ()

Warning: get_focal_length is deprecated since 0.14.0.

See <ulink url="https://en.

Note:

Use try_get_focal_length instead.

wikipedia.org/wiki/Flange_focal_distance"></ulink> for more information.

Parameters:

this

An instance of Metadata

Returns:

The focal length as a gdouble, or -1.0 if tag is not present or invalid.