v3.4.3: Making movies, improving filtering interface, and fixing landscape analysis

README.md

@@ -19,8 +19,9 @@ cryoDRGN installation, training and analysis. A brief quick start is provided be
 For any feedback, questions, or bugs, please file a Github issue or start a Github discussion.
 
 
-### New in Version 3.4.x
-* [NEW] `cryodrgn plot_classes` for analysis visualizations colored by a given set of class labels
+### Updates in Version 3.4.x
+* [NEW] `cryodrgn_utils plot_classes` for analysis visualizations colored by a given set of class labels
+* [NEW] `cryodrgn_utils make_movies` for animations of `analyze*` output volumes
 * implementing [automatic mixed-precision training](https://pytorch.org/docs/stable/amp.html)
   for ab-initio reconstruction for 2-4x speedup
 * support for RELION 3.1 .star files with separate optics tables, np.float16 number formats used in RELION .mrcs outputs
@@ -33,7 +34,7 @@ For any feedback, questions, or bugs, please file a Github issue or start a Gith
 * official support for Python 3.11
 
 
-### New in Version 3.x
+### Updates in Version 3.x
 
 The official release of [cryoDRGN-ET](https://www.biorxiv.org/content/10.1101/2023.08.18.553799v1) for heterogeneous subtomogram analysis.
 

cryodrgn/command_line.py

@@ -11,6 +11,7 @@
 since automated scanning for command modules is computationally non-trivial.
 
 """
+
 import argparse
 import os
 from importlib import import_module
@@ -122,6 +123,7 @@ def util_commands() -> None:
             "fsc",
             "gen_mask",
             "invert_contrast",
+            "make_movies",
             "phase_flip",
             "plot_classes",
             "plot_fsc",

cryodrgn/commands/abinit_het.py

@@ -485,7 +485,10 @@ def train(
     # We do this in pose-supervised train_vae
 
     if scaler is not None:
-        amp_mode = torch.cuda.amp.autocast_mode.autocast()
+        try:
+            amp_mode = torch.amp.autocast("cuda")
+        except AttributeError:
+            amp_mode = torch.cuda.amp.autocast_mode.autocast()
     else:
         amp_mode = contextlib.nullcontext()
 
@@ -898,7 +901,7 @@ def main(args):
             )
         if in_dim % 8 != 0:
             logger.warning(
-                f"Masked input image dimension {in_dim} is not a mutiple of 8 "
+                f"Masked input image dimension {in_dim} is not a multiple of 8 "
                 "-- AMP training speedup is not optimized!"
             )
 
@@ -907,7 +910,10 @@ def main(args):
             model, optim = amp.initialize(model, optim, opt_level="O1")
         # mixed precision with pytorch (v1.6+)
         except:  # noqa: E722
-            scaler = torch.cuda.amp.grad_scaler.GradScaler()
+            try:
+                scaler = torch.amp.GradScaler("cuda")
+            except AttributeError:
+                scaler = torch.cuda.amp.grad_scaler.GradScaler()
 
     if args.load == "latest":
         args = get_latest(args)

cryodrgn/commands/abinit_homo.py

@@ -416,7 +416,10 @@ def train(
         )
 
     if scaler is not None:
-        amp_mode = torch.cuda.amp.autocast_mode.autocast()
+        try:
+            amp_mode = torch.amp.autocast("cuda")
+        except AttributeError:
+            amp_mode = torch.cuda.amp.autocast_mode.autocast()
     else:
         amp_mode = contextlib.nullcontext()
 
@@ -676,7 +679,10 @@ def main(args):
             model, optim = amp.initialize(model, optim, opt_level="O1")
         # mixed precision with pytorch (v1.6+)
         except:  # noqa: E722
-            scaler = torch.cuda.amp.grad_scaler.GradScaler()
+            try:
+                scaler = torch.amp.GradScaler("cuda")
+            except AttributeError:
+                scaler = torch.cuda.amp.grad_scaler.GradScaler()
 
     sorted_poses = []
     if args.load:

cryodrgn/commands/analyze_landscape.py

@@ -348,47 +348,55 @@ def plot(i, j):
 
     kmeans_labels = utils.load_pkl(os.path.join(outdir, f"kmeans{K}", "labels.pkl"))
     kmeans_counts = Counter(kmeans_labels)
-    for i in range(M):
-        vol_i = np.where(labels == i)[0]
-        logger.info(f"State {i}: {len(vol_i)} volumes")
+    for cluster_i in range(M):
+        vol_indices = np.where(labels == cluster_i)[0]
+        logger.info(f"State {cluster_i}: {len(vol_indices)} volumes")
         if vol_ind is not None:
-            vol_i = np.arange(K)[vol_ind][vol_i]
+            vol_indices = np.arange(K)[vol_ind][vol_indices]
+
+        vol_fls = [
+            os.path.join(kmean_dir, f"vol_{vol_start_index + vol_i:03d}.mrc")
+            for vol_i in vol_indices
+        ]
+        vol_i_all = torch.stack(
+            [torch.Tensor(parse_mrc(vol_fl)[0]) for vol_fl in vol_fls]
+        )
 
-        vol_fl = os.path.join(kmean_dir, f"vol_{vol_start_index+i:03d}.mrc")
-        vol_i_all = torch.stack([torch.Tensor(parse_mrc(vol_fl)[0]) for i in vol_i])
-        nparticles = np.array([kmeans_counts[i] for i in vol_i])
+        nparticles = np.array([kmeans_counts[vol_i] for vol_i in vol_indices])
         vol_i_mean = np.average(vol_i_all, axis=0, weights=nparticles)
         vol_i_std = (
             np.average((vol_i_all - vol_i_mean) ** 2, axis=0, weights=nparticles) ** 0.5
         )
+
         write_mrc(
-            os.path.join(subdir, f"state_{i}_mean.mrc"),
+            os.path.join(subdir, f"state_{cluster_i}_mean.mrc"),
             vol_i_mean.astype(np.float32),
             Apix=Apix,
         )
         write_mrc(
-            os.path.join(subdir, f"state_{i}_std.mrc"),
+            os.path.join(subdir, f"state_{cluster_i}_std.mrc"),
             vol_i_std.astype(np.float32),
             Apix=Apix,
         )
 
-        os.makedirs(os.path.join(subdir, f"state_{i}"), exist_ok=True)
-        for v in vol_i:
-            os.symlink(
-                os.path.join(kmean_dir, f"vol_{vol_start_index+v:03d}.mrc"),
-                os.path.join(subdir, f"state_{i}", f"vol_{vol_start_index+v:03d}.mrc"),
-            )
+        statedir = os.path.join(subdir, f"state_{cluster_i}")
+        os.makedirs(statedir, exist_ok=True)
+        for vol_i in vol_indices:
+            kmean_fl = os.path.join(kmean_dir, f"vol_{vol_start_index+vol_i:03d}.mrc")
+            sub_fl = os.path.join(statedir, f"vol_{vol_start_index+vol_i:03d}.mrc")
+            os.symlink(kmean_fl, sub_fl)
 
-        particle_ind = analysis.get_ind_for_cluster(kmeans_labels, vol_i)
-        logger.info(f"State {i}: {len(particle_ind)} particles")
+        particle_ind = analysis.get_ind_for_cluster(kmeans_labels, vol_indices)
+        logger.info(f"State {cluster_i}: {len(particle_ind)} particles")
         if particle_ind_orig is not None:
             utils.save_pkl(
                 particle_ind_orig[particle_ind],
-                os.path.join(subdir, f"state_{i}_particle_ind.pkl"),
+                os.path.join(subdir, f"state_{cluster_i}_particle_ind.pkl"),
             )
         else:
             utils.save_pkl(
-                particle_ind, os.path.join(subdir, f"state_{i}_particle_ind.pkl")
+                particle_ind,
+                os.path.join(subdir, f"state_{cluster_i}_particle_ind.pkl"),
             )
 
     # plot clustering results