From ff0c72c4eebae3b7d20e4b530469eab2ced0120a Mon Sep 17 00:00:00 2001 From: smribet Date: Sun, 29 Sep 2024 14:59:43 -0700 Subject: [PATCH] numpy is bewildering --- py4DSTEM/tomography/tomography.py | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/py4DSTEM/tomography/tomography.py b/py4DSTEM/tomography/tomography.py index 1bfd46896..f1ab75d85 100644 --- a/py4DSTEM/tomography/tomography.py +++ b/py4DSTEM/tomography/tomography.py @@ -284,7 +284,7 @@ def reconstruct( num_points: int = 60, progress_bar: bool = True, zero_edges: bool = True, - baseline_thresh: float = 0, + baseline_thresh: float = 0.9, ): """ Main loop for reconstruct @@ -306,7 +306,7 @@ def reconstruct( zero_edges: bool If True, zero edges along y and z baseline_thresh: float - If not None, data is cropped below threshold + If not None, data is cropped below threshold. Value is fraction of max. """ device = self._device @@ -855,7 +855,7 @@ def _reshape_4D_array_to_2D( wx = qx0 - xF wy = qy0 - yF - diffraction_patterns_reshaped[index] = ( + dp_projected = ( ( ( (1 - wx) @@ -895,8 +895,10 @@ def _reshape_4D_array_to_2D( ) ) ) - else: + diffraction_patterns_reshaped[index] = dp_projected + + else: diffraction_patterns_reshaped[index] = np.bincount( ind_diffraction_ravel, dp.ravel(), @@ -1156,7 +1158,7 @@ def _forward( device = self._device obj = copy_to_device(self._object[x_index], device) - #TODO check sign + # TODO check sign tilt = -xp.deg2rad(tilt_deg) # solve for real space coordinates @@ -1509,7 +1511,7 @@ def _constraints(self, zero_edges: bool, baseline_thresh: float): zero_edges: bool If True, zero edges along y and z baseline_thresh: float - If not None, data is cropped below threshold + If not None, data is cropped below threshold. Value is fraction of max. """ if zero_edges: xp = self._xp_storage @@ -1526,6 +1528,7 @@ def _constraints(self, zero_edges: bool, baseline_thresh: float): self._object[:, ind_zero] = 0 if baseline_thresh is not None: + baseline_thresh *= self._object.max() xp = self._xp_storage self._object = xp.clip(self._object - baseline_thresh, 0, np.inf)