@spiceErrorCheck<EOL>def pltar(vrtces, plates):
nv = ctypes.c_int(len(vrtces))<EOL>vrtces = stypes.toDoubleMatrix(vrtces)<EOL>np = ctypes.c_int(len(plates))<EOL>plates = stypes.toIntMatrix(plates)<EOL>return libspice.pltar_c(nv, vrtces, np, plates)<EOL>
Compute the total area of a collection of triangular plates.

https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/pltar_c.html

:param vrtces: Array of vertices.
:type vrtces: Nx3-Element Array of floats
:param plates: Array of plates. 
:type plates: Nx3-Element Array of ints
:return: total area of the set of plates
:rtype: float