try load data

Author: tomvanmele

content/compas_dem_crossvault.ipynb

@@ -0,0 +1,189 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%%capture\n",
+    "%pip install jsonschema networkx numpy scipy pythreejs\n",
+    "%pip install compas>=2.8 --no-deps\n",
+    "%pip install compas_notebook>=0.8.2 --no-deps\n",
+    "%pip install compas_model --no-deps\n",
+    "%pip install compas_dem --no-deps"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# DEM of a Cross Vault"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Block Data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pathlib\n",
+    "\n",
+    "from compas.files import OBJ\n",
+    "\n",
+    "FILE = pathlib.Path.cwd() / \"data\" / \"crossvault.obj\"\n",
+    "\n",
+    "obj = OBJ(FILE)\n",
+    "obj.read()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Block Meshes"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from compas.datastructures import Mesh\n",
+    "\n",
+    "meshes = []\n",
+    "for name in obj.objects:\n",
+    "    vertices, faces = obj.objects[name]\n",
+    "    mesh: Mesh = Mesh.from_vertices_and_faces(vertices, faces)\n",
+    "    mesh.scale(0.025, 0.025, 0.025)\n",
+    "    mesh.name = name\n",
+    "    meshes.append(mesh)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Block Model"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from compas_dem.models import BlockModel\n",
+    "\n",
+    "model = BlockModel.from_boxes(meshes)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Contacts"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# model.compute_contacts(tolerance=1e-3, minimum_area=1e-2)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Supports"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from compas_dem.elements import BlockElement\n",
+    "\n",
+    "element: BlockElement\n",
+    "\n",
+    "for element in model.elements():\n",
+    "    if model.graph.degree(element.graphnode) == 1:\n",
+    "        element.is_support = True"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Visualisation"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "a3ed37df12a641b797702057f23d25db",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "VBox(children=(HBox(children=(Button(icon='search-plus', layout=Layout(height='32px', width='48px'), style=But…"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "from compas_notebook import Viewer\n",
+    "from compas_notebook.config import Config\n",
+    "\n",
+    "config = Config()\n",
+    "config.view.camera.position = [0, -13, 3]\n",
+    "config.view.camera.target = [0, 0, 3]\n",
+    "\n",
+    "viewer = Viewer(config=config)\n",
+    "viewer.scene.add(model)\n",
+    "viewer.show()"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "masonry",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.14"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}