fully-dynamic index

.gitignore

@@ -1,3 +1,4 @@
-/target
-/Cargo.lock
-.DS_Store
+target
+Cargo.lock
+/demo/data/env
+.DS_Store

Cargo.toml

@@ -1,29 +1,7 @@
-[package]
-name = "rindex"
-version = "0.1.0"
-edition = "2021"
-rust-version = "1.63"
-description = "Rindex: reverse nearest neighbor search index for high-dimensional clustered datasets."
-readme = "README.md"
-documentation = "https://docs.rs/rindex"
-homepage = "https://github.com/azizkayumov/rindex"
-repository = "https://github.com/azizkayumov/rindex"
-license = "Apache-2.0"
-keywords = ["tree", "dynamic-connectivity"]
-categories = ["algorithms", "data-structures"]
-authors = ["Kayumov A.I. <[email protected]>"]
-exclude = ["./github"]
+[workspace]
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-conv = "0.3.3"
-ordered-float = "4.1.1"
-
-[dev-dependencies]
-rand = "0.8"
-criterion = "0.5.1"
-
-[[bench]]
-name = "benchmark"
-harness = false
+members = [
+    "lib",
+    "demo",
+]
+resolver = "2"

README.md

@@ -1,2 +1,8 @@
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/azizkayumov/rindex/ci.yml?style=plastic)](#)
+[![crates.io](https://img.shields.io/crates/v/rindex)](https://crates.io/crates/rindex)
+
 # rindex
-Rindex: reverse nearest neighbor search index for high-dimensional clustered datasets.
+Rindex: fully dynamic nearest neighbor search index for high-dimensional clustered datasets.
+
+## License
+This project is licensed under the [Apache License, Version 2.0](LICENSE.md) - See the [LICENSE.md](https://github.com/azizkayumov/rindex/blob/main/LICENSE) file for details.

demo/Cargo.toml

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+[package]
+name = "demo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rindex = { path = "../lib" }
+rand = "0.8"

demo/data/plot_tree.py

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+import matplotlib.pyplot as plt
+
+
+# Read the data
+lines = open("tree.csv").readlines()
+
+points = {}
+bubbles = {}
+for row in lines:
+    s = row.split(",")
+    id = int(s[0])
+    height = int(s[1])
+    if height == 0:
+        x, y = float(s[-2]), float(s[-1])
+        points[id] = (x, y)
+    elif height == 1:
+        radius = float(s[-3])
+        x, y = float(s[-2]), float(s[-1])
+        children = s[3].split("+")
+        bubbles[id] = (x, y, radius, children)
+
+fig, ax = plt.subplots()
+colors = ['r', 'g', 'b', 'y', 'c', 'm']
+for id, (x, y, radius, children) in bubbles.items():
+    color = colors[id % len(colors)]
+    circle = plt.Circle((x, y), radius, color='b', alpha=0.25)
+    ax.add_artist(circle)
+    for child in children:
+        child = int(child)
+        x, y = points[child][0], points[child][1]
+        plt.scatter(x, y, color='b', s=2, marker='+')
+
+# remove coordinate axis names
+plt.xticks([])
+plt.yticks([])
+plt.gca().set_aspect('equal')
+
+title = "N = " + str(len(points)) + ", L = " + str(len(bubbles))
+plt.title(title)
+
+# set axis limits
+plt.savefig("tree.png", dpi=300)

demo/data/requirements.txt

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+contourpy==1.2.1
+cycler==0.12.1
+fonttools==4.53.1
+importlib_resources==6.4.2
+kiwisolver==1.4.5
+matplotlib==3.9.2
+numpy==2.0.1
+packaging==24.1
+pillow==10.4.0
+pyparsing==3.1.2
+python-dateutil==2.9.0.post0
+six==1.16.0
+zipp==3.20.0