Experiments

Author: standardgalactic

history/README.md

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+import bpy
+from mathutils import Vector
+
+def sphere(p):
+    bpy.ops.mesh.primitive_uv_sphere_add(radius=0.25, location=p)
+
+def edge(p1,p2):
+    mid=(p1+p2)/2
+    d=(p2-p1).length
+
+    bpy.ops.mesh.primitive_cylinder_add(radius=0.05, depth=d, location=mid)
+
+root=Vector((0,0,0))
+a=Vector((2,1,0))
+b=Vector((2,-1,0))
+merge=Vector((4,0,0))
+
+sphere(root)
+sphere(a)
+sphere(b)
+sphere(merge)
+
+edge(root,a)
+edge(root,b)
+edge(a,merge)
+edge(b,merge)

history/branch_and_merge.py

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+#!/bin/bash
+
+OUT=figures
+
+./run_blender.sh history_dag $OUT
+./run_blender.sh crdt_convergence $OUT
+./run_blender.sh history_lattice $OUT
+./run_blender.sh entropy_collapse $OUT
+./run_blender.sh ising_descent $OUT

history/build_all.sh

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+import bpy
+import random
+import math
+
+def create_event(x,y,z):
+    bpy.ops.mesh.primitive_uv_sphere_add(radius=0.2, location=(x,y,z))
+
+def connect(p1,p2):
+    bpy.ops.mesh.primitive_cylinder_add(
+        radius=0.05,
+        depth=((p1-p2).length),
+        location=(p1+p2)/2
+    )
+
+events = []
+
+for i in range(20):
+    x=i*0.6
+    y=random.uniform(-1,1)
+    z=random.uniform(-1,1)
+
+    create_event(x,y,z)
+    events.append((x,y,z))

history/event_history_growth.py

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+import os
+import bpy
+import sys
+import argparse
+import os
+
+sys.path.append(os.path.dirname(__file__))
+
+from scenes_history_dag import build_history_dag
+from scenes_crdt_convergence import build_crdt_convergence
+from scenes_history_lattice import build_history_lattice
+from scenes_entropy_collapse import build_entropy_collapse
+from scenes_ising_descent import build_ising_descent
+
+def parse_args():
+    argv = sys.argv
+    argv = argv[argv.index("--")+1:]
+
+    p = argparse.ArgumentParser()
+    p.add_argument("--scene", required=True)
+    p.add_argument("--blend", required=True)
+    p.add_argument("--png", required=True)
+
+    return p.parse_args(argv)
+
+def reset():
+    bpy.ops.wm.read_factory_settings(use_empty=True)
+
+def render_image(path):
+    scene = bpy.context.scene
+    scene.render.engine = 'BLENDER_EEVEE'
+    scene.render.image_settings.file_format = 'PNG'
+    scene.render.filepath = path
+    scene.render.resolution_x = 2000
+    scene.render.resolution_y = 1200
+
+    bpy.ops.render.render(write_still=True)
+
+args = parse_args()
+
+reset()
+
+scene = bpy.context.scene
+
+if args.scene == "history_dag":
+    build_history_dag(scene)
+
+elif args.scene == "crdt_convergence":
+    build_crdt_convergence(scene, None)
+
+elif args.scene == "history_lattice":
+    build_history_lattice(scene)
+
+elif args.scene == "entropy_collapse":
+    build_entropy_collapse(scene, None)
+
+elif args.scene == "ising_descent":
+    build_ising_descent(scene, None)
+
+# save .blend
+bpy.ops.wm.save_as_mainfile(filepath=args.blend)
+
+# render image
+render_image(args.png)