environmentaltools.graphics.plot_2d_plan_view

environmentaltools.graphics.plot_2d_plan_view(topobat, isolines, fname)

Plot 2D horizontal plan view with bathymetry contours.

Creates a plan view visualization of topography/bathymetry with labeled contour lines, typically used for coastal and marine engineering applications.

Parameters:

• topobat (pd.DataFrame) – DataFrame containing ‘x’, ‘y’ (UTM coordinates) and ‘z’ (elevation/depth) columns.

• isolines (list or np.ndarray) – Contour levels to display.

• fname (str) – Filename to save the figure.