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Commit 5370c2c2 authored by Dario Seyb's avatar Dario Seyb
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automatic centering

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Showing with 50 additions and 88 deletions
examples/.ipynb_checkpoints/Untitled-checkpoint.ipynb
View file @ 5370c2c2
......@@ -2,7 +2,7 @@
"cells": [
{
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"execution_count": 2,
"metadata": {
"scrolled": false
},
......@@ -10,7 +10,7 @@
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......@@ -30,13 +30,13 @@
"</p>\n"
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......@@ -48,25 +48,25 @@
" ...,\n",
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" [-0.05680015, 0.05271573, 0.01788341]], dtype=float32), normalized=False)}), material=LineBasicMaterial(color=u'#000000'), quaternion=(0.0, 0.0, 0.0, 1.0), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)), Points(geometry=BufferGeometry(attributes={'position': BufferAttribute(array=array([[-0.00341018, 0.13031957, 0.02175437],\n",
" [-0.08171916, 0.15250145, 0.02965609],\n",
" [-0.03054348, 0.12477885, 0.00109834],\n",
" ...,\n",
......
examples/Untitled.ipynb
View file @ 5370c2c2
......@@ -2,81 +2,22 @@
"cells": [
{
"cell_type": "code",
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"execution_count": 1,
"metadata": {
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"outputs": [
{
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"text/html": [
"<p>Failed to display Jupyter Widget of type <code>Renderer</code>.</p>\n",
"<p>\n",
" If you're reading this message in the Jupyter Notebook or JupyterLab Notebook, it may mean\n",
" that the widgets JavaScript is still loading. If this message persists, it\n",
" likely means that the widgets JavaScript library is either not installed or\n",
" not enabled. See the <a href=\"https://ipywidgets.readthedocs.io/en/stable/user_install.html\">Jupyter\n",
" Widgets Documentation</a> for setup instructions.\n",
"</p>\n",
"<p>\n",
" If you're reading this message in another frontend (for example, a static\n",
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" it may mean that your frontend doesn't currently support widgets.\n",
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"text/plain": [
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" [-0.08171916, 0.15250145, 0.02965609],\n",
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" [-0.0550398 , 0.0573097 , 0.0169909 ]], dtype=float32), normalized=False)}), material=PointsMaterial(color=u'red', map=None, size=4.0, sizeAttenuation=False), quaternion=(0.0, 0.0, 0.0, 1.0), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0))), fog=None, overrideMaterial=None, quaternion=(0.0, 0.0, 0.0, 1.0), scale=(1.0, 1.0, 1.0), up=(0.0, 1.0, 0.0)), shadowMap=WebGLShadowMap())"
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},
"metadata": {},
"output_type": "display_data"
"ename": "AttributeError",
"evalue": "'OrbitControls' object has no attribute 'update'",
"output_type": "error",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mAttributeError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-1-6c2ff8306b9e>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m 27\u001b[0m \u001b[0mctx\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mdraw_vertices\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mm\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mpoints\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mpoint_size\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;36m4\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mcolors\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;34m'red'\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 28\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 29\u001b[1;33m \u001b[0mctx\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mdisplay\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[1;32mc:\\dev\\meshvis\\meshvis\\context.pyc\u001b[0m in \u001b[0;36mdisplay\u001b[1;34m(self)\u001b[0m\n\u001b[0;32m 182\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcamera\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mposition\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mtuple\u001b[0m\u001b[1;33m(\u001b[0m \u001b[0mnp\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0marray\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcamera\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mposition\u001b[0m\u001b[1;33m)\u001b[0m \u001b[1;33m*\u001b[0m \u001b[0mdistance\u001b[0m \u001b[1;33m*\u001b[0m \u001b[1;36m5\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 183\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0morbit_controls\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mtarget\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mtuple\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mcenter\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 184\u001b[1;33m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0morbit_controls\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mupdate\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 185\u001b[0m \u001b[0mdisplay\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mrenderer\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mAttributeError\u001b[0m: 'OrbitControls' object has no attribute 'update'"
]
}
],
"source": [
......
meshvis/context.py
View file @ 5370c2c2
......@@ -6,12 +6,16 @@ from .indexed_attribute import *
from .mesh_helper import calculateFaceNormals, calculatePointNormals
class Context(object):
def __init__(self, width=600, height=400, background_color = '#dddddd'):
self.camera = three.PerspectiveCamera(position=[3,3,3], fov=20,
self.camera = three.PerspectiveCamera(position=[1,1,1], fov=20,
children=[three.DirectionalLight(color='#ffffff', position=[-30, 50, 10], intensity=1.0)])
self.camera.aspect = width/float(height)
self.minCorner = np.array([ 100000.0, 100000.0, 100000.0])
self.maxCorner = np.array([-100000.0, -100000.0, -100000.0])
self.scene = three.Scene(children=[three.AmbientLight(color='#aaaaaa'), self.camera])
self.scene.background = background_color
......@@ -82,6 +86,10 @@ class Context(object):
mesh_obj = three.Mesh(geometry=mesh_geom, material=mat)
for vert in vertices:
self.minCorner = np.minimum(self.minCorner, vert)
  • Isaak Lim @lim ·
    Maintainer

    Instead of iterating over the numpy array you can just call vertices.min(axis=1) and vertices.max(axis=1) to get the bounding box corners.

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self.maxCorner = np.maximum(self.maxCorner, vert)
self.scene.add(mesh_obj)
return self
......@@ -124,6 +132,10 @@ class Context(object):
geom = three.BufferGeometry(attributes = attributes)
mesh_obj = three.LineSegments(geometry=geom, material=mat)
for vert in vertices:
self.minCorner = np.minimum(self.minCorner, vert)
self.maxCorner = np.maximum(self.maxCorner, vert)
self.scene.add(mesh_obj)
return self
......@@ -157,8 +169,17 @@ class Context(object):
geom = three.BufferGeometry(attributes=attributes)
mesh_obj = three.Points(geometry=geom, material=mat)
for vert in vertices:
self.minCorner = np.minimum(self.minCorner, vert)
self.maxCorner = np.maximum(self.maxCorner, vert)
self.scene.add(mesh_obj)
return self
def display(self):
center = (self.minCorner + self.maxCorner) * 0.5
distance = max(np.linalg.norm(center-self.minCorner), np.linalg.norm(center-self.maxCorner))
self.camera.position = tuple( np.array(self.camera.position) * distance * 5)
self.orbit_controls.target = tuple(center)
display(self.renderer)
\ No newline at end of file
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