@property
    def gridFx(self):
        if self.nFx == 0: return
        return self._getTensorGrid('Fx')
Test docnames_with_terms() using known data
dataset/ETHPy150Open simpeg/simpeg/SimPEG/Mesh/TensorMesh.py/BaseTensorMesh.gridFx--crossover with--dataset/ETHPy150Open taherh/pysimsearch/pysimsearch/test/sim_index_test.py/SimIndexTest.test_docnames_with_terms