ocetrac.measures.ShapeMeasures

class ocetrac.measures.ShapeMeasures(lat_resolution: float = 110.574, lon_resolution: float = 111.32, use_decorators: bool = True)

Calculates shape characteristics of labeled geospatial objects.

__init__(lat_resolution: float = 110.574, lon_resolution: float = 111.32, use_decorators: bool = True)

Initializes the ShapeMeasures class with latitude and longitude resolutions and decorater usage.

Parameters

lat_resolutionfloat: Resolution in kilometers for latitude (default is 110.574 km)
lon_resolutionfloat: Resolution in kilometers for longitude (default is 111.320 km)
use_decoratorsbool: If True, decorators will be used to log execution time (default is True)

Methods

`__init__`([lat_resolution, lon_resolution, ...])	Initializes the ShapeMeasures class with latitude and longitude resolutions and decorater usage.
`calc_circularity`(area, perimeter)	Calculates circularity given area and perimeter.
`calc_complement_to_deformation`(coords_full, ...)	Calculates complement to deformation ratio for consecutive timesteps.
`calc_deformation`(shared_area_ratios)	Calculates deformation as 1 - shared area ratio.
`calc_perimeter`(one_obj)	Calculates the perimeter of objects using contour detection.
`calc_ratio_convexhullarea_vs_area`(one_obj)	Calculates the ratio of object area to convex hull area.
`calc_spatial_extents`(one_obj)	Calculates spatial extents and summary statistics for event.
`calculate_area`(lats, lons)	Calculates area in square kilometers.