crossvault from file

Author: tomvanmele

content/compas_dem_crossvault.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -21,53 +21,6 @@
     "# 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": {},
@@ -77,51 +30,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
+    "import pathlib\n",
+    "import compas\n",
     "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",
+    "FILE = pathlib.Path.cwd() / \"data\" / \"crossvault.json\"\n",
     "\n",
-    "for element in model.elements():\n",
-    "    if model.graph.degree(element.graphnode) == 1:\n",
-    "        element.is_support = True"
+    "model: BlockModel = compas.json_load(FILE)"
    ]
   },
   {
@@ -133,13 +52,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "a3ed37df12a641b797702057f23d25db",
+       "model_id": "4e71320045d24d4b990353efdf753cf1",
        "version_major": 2,
        "version_minor": 0
       },