From 182b471cdd189ce2dbd88b36d82dc90554371385 Mon Sep 17 00:00:00 2001
From: miili <marius.isken@gmail.com>
Date: Sun, 12 Nov 2023 18:39:32 +0100
Subject: [PATCH] quadtree: using dataclasses

---
 lassie/models/semblance.py |  2 +-
 lassie/octree.py           | 20 ++++++++++----------
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/lassie/models/semblance.py b/lassie/models/semblance.py
index 75f5ef78..21cf3ac6 100644
--- a/lassie/models/semblance.py
+++ b/lassie/models/semblance.py
@@ -111,7 +111,7 @@ async def maxima_node_idx(self, nparallel: int = 6) -> np.ndarray:
         if self._node_idx_max is None:
             self._node_idx_max = await asyncio.to_thread(
                 parstack.argmax,
-                self.semblance.astype(np.float64),
+                np.ascontiguousarray(self.semblance),
                 nparallel=nparallel,
             )
         return self._node_idx_max
diff --git a/lassie/octree.py b/lassie/octree.py
index 30e8823d..66d89ee3 100644
--- a/lassie/octree.py
+++ b/lassie/octree.py
@@ -4,6 +4,7 @@
 import logging
 import struct
 from collections import defaultdict
+from dataclasses import dataclass
 from functools import cached_property
 from hashlib import sha1
 from typing import TYPE_CHECKING, Any, Callable, Iterator, Sequence
@@ -57,19 +58,20 @@ class NodeSplitError(Exception):
     ...
 
 
-class Node(BaseModel):
+@dataclass(slots=True)
+class Node:
     east: float
     north: float
     depth: float
     size: float
     semblance: float = 0.0
 
-    tree: Octree | None = Field(None, exclude=True)
-    children: tuple[Node, ...] = Field(default=(), exclude=True)
+    tree: Octree | None = None
+    children: tuple[Node, ...] = ()
 
-    _hash: bytes | None = PrivateAttr(None)
-    _children_cached: tuple[Node, ...] = PrivateAttr(())
-    _location: Location | None = PrivateAttr(None)
+    _hash: bytes | None = None
+    _children_cached: tuple[Node, ...] = ()
+    _location: Location | None = None
 
     def split(self) -> tuple[Node, ...]:
         if not self.tree:
@@ -82,7 +84,7 @@ def split(self) -> tuple[Node, ...]:
             half_size = self.size / 2
 
             self._children_cached = tuple(
-                Node.model_construct(
+                Node(
                     east=self.east + east * half_size / 2,
                     north=self.north + north * half_size / 2,
                     depth=self.depth + depth * half_size / 2,
@@ -287,9 +289,7 @@ def _get_root_nodes(self, length: float) -> list[Node]:
         depth_nodes = np.arange(ext_depth // ln) * ln + ln / 2 + self.depth_bounds[0]
 
         return [
-            Node.model_construct(
-                east=east, north=north, depth=depth, size=ln, tree=self
-            )
+            Node(east=east, north=north, depth=depth, size=ln, tree=self)
             for east in east_nodes
             for north in north_nodes
             for depth in depth_nodes