Sym v1.3.0

# Source code for modulus.sym.geometry.primitives_1d

# Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the “License”); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an “AS IS” BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from sympy import Symbol, Abs import numpy as np from .geometry import Geometry, csg_curve_naming from .curve import SympyCurve from .parameterization import Parameterization, Parameter, Bounds from .helper import _sympy_sdf_to_sdf [docs]class Point1D(Geometry):  """  1D Point along x-axis  Parameters  ----------  point : int or float  x coordinate of the point  parameterization : Parameterization  Parameterization of geometry.  """ def __init__(self, point, parameterization=Parameterization()): # make sympy symbols to use x = Symbol(“x”) # curves for each side curve_parameterization = Parameterization({Symbol(csg_curve_naming(0)): (0, 1)}) curve_parameterization = Parameterization.combine( curve_parameterization, parameterization ) pt_1 = SympyCurve( functions={“x”: point, “normal_x”: 1.0}, area=1.0, parameterization=curve_parameterization, ) curves = [pt_1] # calculate SDF sdf = x - point # calculate bounds bounds = Bounds( {Parameter(“x”): (point, point)}, parameterization=parameterization ) # initialize super().__init__( curves, _sympy_sdf_to_sdf(sdf), dims=1, bounds=bounds, parameterization=parameterization, ) [docs]class Line1D(Geometry):  """  1D Line along x-axis  Parameters  ----------  point_1 : int or float  lower bound point of line  point_2 : int or float  upper bound point of line  parameterization : Parameterization  Parameterization of geometry.  """ def __init__(self, point_1, point_2, parameterization=Parameterization()): # make sympy symbols to use x = Symbol(“x”) # curves for each side curve_parameterization = Parameterization({Symbol(csg_curve_naming(0)): (0, 1)}) curve_parameterization = Parameterization.combine( curve_parameterization, parameterization ) pt1 = SympyCurve( functions={“x”: point_1, “normal_x”: -1}, area=1.0, parameterization=curve_parameterization, ) pt2 = SympyCurve( functions={“x”: point_2, “normal_x”: 1}, area=1.0, parameterization=curve_parameterization, ) curves = [pt1, pt2] # calculate SDF dist = point_2 - point_1 center_x = point_1 + dist / 2 sdf = dist / 2 - Abs(x - center_x) # calculate bounds bounds = Bounds( {Parameter(“x”): (point_1, point_2)}, parameterization=parameterization ) # initialize super().__init__( curves, _sympy_sdf_to_sdf(sdf), dims=1, bounds=bounds, parameterization=parameterization, )
© Copyright 2023, NVIDIA Modulus Team. Last updated on Jan 25, 2024.