A package for easy plotting 3D Polygons in matplotlib.
Project description
VisualShape3D
About VisualShape3D
VisualShape3D intends to plot 3D points, lines and polygons more easily in matplotlib. That is, one needs not create a plotting figure by plt.figure and plt.subplot() as usual.
Core Features
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Three shapes : Point, Segment and Polygon.
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Its logic for 3D definition : creating a 2D shape first in working plane and then moving its referene point to a desired 3D position and rotating its normal vector of facet to a designated orientation.
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It can check whether or not a point is inside a segment or polygon, by their magic functions
__contains__
as overloaded for Segment and Polygon. -
__hash__
and__eq__
, also overloaded for Point, Segment and Polygon. -
__neg__
overloaded for polygon when one wants to know the list of vertices on its other side.
Requirements
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Python 3
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Matplotlib is installed.
Documentation
To be continued.
Installation
pip install VisualShape3D
Usage
import VisualShape3D.geometry as vs
import VisualShape3D.plotable as rd
view = rd.OpenView()
W,H = 2.0,1.5
shape = vs.Shape('rectangle',W,H)
shape = shape.move(to = (2,0,0), by = (45,30))
line1 = vs.Segment((0,0,0),(3,1.,2))
P = shape.intersect(line1)
if P is not None :
lines = line1.broken_at(P)
view.add_plot(shape,style = {'facecolor':'cornflowerblue', 'edgecolor':'navy','alpha':0.5})
view.add_plot(lines,style={'color':'k','linewidth':2,'node':'visible'})
view.show(hideAxes=True,origin=True)
Change Log
License
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
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