normalize_order = 0 bug

py4dstem · Dec 16, 2023 · 6982280 · 6982280
1 parent 3b5bd64
commit 6982280
Showing 1 changed file with 22 additions and 10 deletions.
diff --git a/py4DSTEM/process/phase/iterative_parallax.py b/py4DSTEM/process/phase/iterative_parallax.py
@@ -260,7 +260,7 @@ def _populate_instance(self, group):
 
     def preprocess(
         self,
-        edge_blend: float = 8.0,
+        edge_blend: float = 16.0,
         threshold_intensity: float = 0.8,
         normalize_images: bool = True,
         normalize_order=0,
@@ -462,18 +462,25 @@ def preprocess(
             (1, 2, 0),
         )
 
-        # initalize
+        # initialize
         stack_shape = (
             self._num_bf_images,
             self._grid_scan_shape[0] + self._object_padding_px[0],
             self._grid_scan_shape[1] + self._object_padding_px[1],
         )
         if normalize_images:
+            self._normalized_stack = True
             self._stack_BF_shifted = xp.ones(stack_shape, dtype=xp.float32)
             self._stack_BF_unshifted = xp.ones(stack_shape, xp.float32)
 
             if normalize_order == 0:
-                all_bfs /= xp.mean(all_bfs, axis=(1, 2))[:, None, None]
+                # all_bfs /= xp.mean(all_bfs, axis=(1, 2))[:, None, None]
+                weights = xp.average(
+                    all_bfs.reshape((self._num_bf_images, -1)),
+                    weights=self._window_edge.ravel(),
+                    axis=1,
+                )
+                all_bfs /= weights[:, None, None]
 
                 self._stack_BF_shifted[
                     :,
@@ -600,6 +607,7 @@ def preprocess(
                         )
 
         else:
+            self._normalized_stack = False
             all_means = xp.mean(all_bfs, axis=(1, 2))
             self._stack_BF_shifted = xp.full(stack_shape, all_means[:, None, None])
             self._stack_BF_unshifted = xp.full(stack_shape, all_means[:, None, None])
@@ -698,10 +706,11 @@ def preprocess(
 
         if plot_average_bf:
             figsize = kwargs.pop("figsize", (8, 4))
+            cmap = kwargs.pop("cmap", "RdBu_r" if self._normalized_stack else "magma")
 
             fig, ax = plt.subplots(1, 2, figsize=figsize)
 
-            self._visualize_figax(fig, ax[0], **kwargs)
+            self._visualize_figax(fig, ax[0], cmap=cmap, **kwargs)
 
             ax[0].set_ylabel("x [A]")
             ax[0].set_xlabel("y [A]")
@@ -814,6 +823,7 @@ def tune_angle_and_defocus(
             figsize = kwargs.get(
                 "figsize", (4 * num_defocus_values, 4 * num_angle_values)
             )
+            cmap = kwargs.pop("cmap", "RdBu_r" if self._normalized_stack else "magma")
 
             fig = plt.figure(figsize=figsize)
 
@@ -837,6 +847,8 @@ def tune_angle_and_defocus(
                 self._visualize_figax(
                     fig,
                     ax=object_ax,
+                    cmap=cmap,
+                    **kwargs,
                 )
 
                 object_ax.set_title(
@@ -1024,7 +1036,7 @@ def reconstruct(
                     height_ratios=[1] * nrows + [1 / 4],
                 )
 
-                figsize = kwargs.get("figsize", (4 * ncols, 4 * nrows + 1))
+                figsize = kwargs.pop("figsize", (4 * ncols, 4 * nrows + 1))
             else:
                 spec = GridSpec(
                     ncols=ncols,
@@ -1033,9 +1045,9 @@ def reconstruct(
                     wspace=0.15,
                 )
 
-                figsize = kwargs.get("figsize", (4 * ncols, 4 * nrows))
+                figsize = kwargs.pop("figsize", (4 * ncols, 4 * nrows))
 
-            kwargs.pop("figsize", None)
+            cmap = kwargs.pop("cmap", "RdBu_r" if self._normalized_stack else "magma")
             fig = plt.figure(figsize=figsize)
 
         xy_center = (self._xy_inds - xp.median(self._xy_inds, axis=0)).astype("float")
@@ -1681,7 +1693,7 @@ def subpixel_alignment(
             )
 
             figsize = kwargs.pop("figsize", (4 * ncols, sum(height_ratios)))
-            cmap = kwargs.pop("cmap", "magma")
+            cmap = kwargs.pop("cmap", "RdBu_r" if self._normalized_stack else "magma")
             fig = plt.figure(figsize=figsize)
 
             row_index = 0
@@ -2664,7 +2676,7 @@ def aberration_correct(
         # plotting
         if plot_corrected_phase:
             figsize = kwargs.pop("figsize", (6, 6))
-            cmap = kwargs.pop("cmap", "magma")
+            cmap = kwargs.pop("cmap", "RdBu_r" if self._normalized_stack else "magma")
 
             fig, ax = plt.subplots(figsize=figsize)
 
@@ -2761,7 +2773,7 @@ def depth_section(
             )
 
             figsize = kwargs.pop("figsize", (4 * ncols, 4 * nrows))
-            cmap = kwargs.pop("cmap", "magma")
+            cmap = kwargs.pop("cmap", "RdBu_r" if self._normalized_stack else "magma")
 
             fig = plt.figure(figsize=figsize)