In [1]:

import os


from OCC.Display.WebGl.jupyter_renderer import JupyterRenderer
from OCC.Extend.DataExchange import read_step_file, export_shape_to_svg
from OCC.Display.WebGl.x3dom_renderer import X3DExporter

In [2]:

shp = read_step_file(os.path.join('..','assets', 'step', 'VentilatorAP203.step'))

In [3]:

x3dexp = X3DExporter(shp, None, None, True, (1,1,0), (0,0,0), 0, 0, (0,0,0), 2, 1)

In [4]:

x3dexp.compute()

In [5]:

len(x3dexp._triangle_sets)

Out[5]:

In [6]:

x3dtriangles=x3dexp.to_x3dfile_string(0)

In [7]:

from OCC.Core.VrmlAPI import VrmlAPI_Writer

In [8]:

myWriter = VrmlAPI_Writer()

In [9]:

myWriter.Write(shp,'Vent.wrl')

Out[9]:

True

In [10]:

from subprocess import *

In [11]:

run(['chmod', 'a+x', '../bin/tovrmlx3d'])

Out[11]:

CompletedProcess(args=['chmod', 'a+x', '../bin/tovrmlx3d'], returncode=0)

In [12]:

x3difs=run(['../bin/tovrmlx3d','--encoding','xml','Vent.wrl'], stdout=PIPE)

In [13]:

x3domHTML = '''<script type='text/javascript' src='https://www.x3dom.org/download/dev/x3dom-full.debug.js'> </script> 
<link rel='stylesheet' type='text/css' href='https://www.x3dom.org/download/dev/x3dom.css'></link>'''

In [14]:

import xml.etree.ElementTree as ET

In [15]:

from IPython.display import HTML

In [16]:

x3domXML = ET.tostring(ET.XML(x3difs.stdout), encoding="unicode", short_empty_elements=False)

x3dom with VrmlAPI generated X3D¶

In [17]:

HTML(x3domHTML + x3domXML)

Out[17]:

In [18]:

x3domX3Dtriangles = ET.tostring(ET.XML(x3dtriangles), encoding="unicode", short_empty_elements=False)

x3dom with pythonocc generated X3D (triangles)¶

In [19]:

HTML(x3domHTML + x3domX3Dtriangles)

Out[19]:

Threejs baseed Jupyter renderer¶

In [20]:

my_renderer = JupyterRenderer()

In [21]:

my_renderer.DisplayShape(shp, render_edges=True, topo_level="Face", shape_color="#abdda4", update=True)

HBox(children=(VBox(children=(HBox(children=(Checkbox(value=True, description='Axes', layout=Layout(height='au…

In [22]:

import x3d.x3d as x

x3d.py package loaded, have fun with X3D Graphics!

In [23]:

vp=x.Viewpoint(position=(-4.36117,-66.43609,65.70160),orientation=(0.99385,-0.09560,0.05589,0.74120),
               centerOfRotation=(0.00000,0.00000,0.00000),description="main view")

In [55]:

import base64

In [73]:

vp.toXML()

Out[73]:

"<Viewpoint description='main view' orientation='(0.99385, -0.0956, 0.05589, 0.7412)' position='(-4.36117, -66.43609, 65.7016)'/>\n"

In [70]:

stepInline='''<Inline namespacename='step' contentType='model/x3d+xml' url=' "data:model/x3d+xml;base64,{0}" ' '''.format(base64.b64encode(x3domX3Dtriangles.encode('utf-8')).decode('utf-8'))

In [32]:

scene=x.Scene(children=[vp, x.Group()])

In [45]:

scene.toXML()

Out[45]:

"<Scene>\n  <Viewpoint description='main view' orientation='(0.99385, -0.0956, 0.05589, 0.7412)' position='(-4.36117, -66.43609, 65.7016)'/>\n  <Group/>\n</Scene>\n"

In [47]:

x3dDoc=x.X3D(head=x.head(),Scene=scene).toXML()

In [71]:

x3dDoc_noDecl=x3dDoc[x3dDoc.find('<X3D'):].replace('<Group/>', stepInline)
      

In [72]:

HTML(x3domHTML + x3dDoc_noDecl)

Out[72]:

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