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Diffstat (limited to 'src/python/gudhi/representations/vector_methods.py')
| -rw-r--r-- | src/python/gudhi/representations/vector_methods.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/python/gudhi/representations/vector_methods.py b/src/python/gudhi/representations/vector_methods.py index 5133a64c..82f071d7 100644 --- a/src/python/gudhi/representations/vector_methods.py +++ b/src/python/gudhi/representations/vector_methods.py @@ -417,6 +417,9 @@ class BettiCurve2(BaseEstimator, TransformerMixin): """ if self.predefined_grid is None: + if not X: + X = [np.zeros((0, 2))] + N = len(X) events = np.concatenate([pd.flatten(order="F") for pd in X], axis=0) @@ -469,6 +472,9 @@ class BettiCurve2(BaseEstimator, TransformerMixin): if not self.is_fitted(): raise NotFittedError("Not fitted.") + if not X: + X = [np.zeros((0, 2))] + N = len(X) events = np.concatenate([pd.flatten(order="F") for pd in X], axis=0) |