add support for circle, ellipse, vector, plane, curve, surface primitives

- converters use angular resolution for circles/ellipses
- vector rendered as arrow with cone head
- plane shown as grid
- curve/surface discretization (requires nurbs plugin for creation)

Author: jf---

notebooks/20_geometry.ipynb

@@ -2,22 +2,26 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
     "from compas.colors import Color\n",
+    "from compas.geometry import Circle\n",
+    "from compas.geometry import Ellipse\n",
+    "from compas.geometry import Frame\n",
     "from compas.geometry import Line\n",
+    "from compas.geometry import Plane\n",
     "from compas.geometry import Point\n",
     "from compas.geometry import Pointcloud\n",
     "from compas.geometry import Polyline\n",
-    "from compas.geometry import Frame \n",
+    "from compas.geometry import Vector\n",
     "from compas_notebook.viewer import Viewer"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -39,13 +43,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "60cefc1deea3458c9e1a390cdd0ea3ba",
+       "model_id": "0498e1e0a2e3459480997d957fbfc9da",
        "version_major": 2,
        "version_minor": 0
       },
@@ -68,11 +72,78 @@
     "\n",
     "viewer.show()"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# New Primitives\n",
+    "\n",
+    "Demonstration of recently added primitive support: Circle, Ellipse, Vector, and Plane."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Create new primitives\n",
+    "circle = Circle(radius=1.5, frame=Frame([2, 0, 0], [0, 1, 0], [0, 0, 1]))\n",
+    "ellipse = Ellipse(major=2.0, minor=1.0, frame=Frame([5, 0, 0], [0, 1, 0], [0, 0, 1]))\n",
+    "vector = Vector(1, 1, 2)\n",
+    "plane = Plane([0, 0, -1], [0, 0, 1])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "3cac0c93ba69483fb0534923124dbe15",
+       "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": [
+    "viewer2 = Viewer()\n",
+    "\n",
+    "viewer2.scene.add(circle, color=Color.red())\n",
+    "viewer2.scene.add(ellipse, color=Color.green())\n",
+    "viewer2.scene.add(vector)\n",
+    "viewer2.scene.add(plane)\n",
+    "\n",
+    "viewer2.show()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "compas_opzuid",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -90,5 +161,5 @@
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }