Macro 3D Parametric Curve: Difference between revisions
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{{Macro|Icon=Text-x-python|Name=Macro 3D Parametric Curve|Description=Draw a function described by parametric equations x(t), y(t) and z(t) With the possibility to choose between b-spline and polyline for the type of line between points.|Author=Lucio Gomez (psicofil)}} |
{{Macro|Icon=Text-x-python|Name=Macro 3D Parametric Curve|Description=Draw a function described by parametric equations x(t), y(t) and z(t) With the possibility to choose between b-spline and polyline for the type of line between points.|Author=Lucio Gomez (psicofil)}} |
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This macro creates a curve described by parametric equations x(t), y(t) and z(t). With the possibility to choose between b-spline and polyline for the type of line between points. |
This macro creates a curve described by parametric equations x(t), y(t) and z(t). With the possibility to choose between b-spline and polyline for the type of line between points. |
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Revision as of 19:39, 6 May 2014
File:Text-x-python Macro 3D Parametric Curve |
Description |
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Draw a function described by parametric equations x(t), y(t) and z(t) With the possibility to choose between b-spline and polyline for the type of line between points. Author: Lucio Gomez (psicofil) |
Author |
Lucio Gomez (psicofil) |
Download |
None |
Links |
Macros recipes How to install macros How to customize toolbars |
Macro Version |
1.0 |
Date last modified |
None |
FreeCAD Version(s) |
None |
Default shortcut |
None |
See also |
None |
This macro creates a curve described by parametric equations x(t), y(t) and z(t). With the possibility to choose between b-spline and polyline for the type of line between points.
Script
# -*- coding: utf-8 -*-
# Create a 3D parametric Curve.
# Author: Gomez Lucio
import FreeCAD
from PyQt4 import QtGui,QtCore
import Part
import Draft
from math import *
class ParamCurv(QtGui.QWidget):
def __init__(self):
super(ParamCurv, self).__init__()
self.initUI()
def initUI(self):
self.t0 = QtGui.QLabel("Equation :",self)
self.t1 = QtGui.QLabel(" X(t) ",self)
self.l1 = QtGui.QLineEdit(self)
self.l1.setText("cos(t)")
self.t2 = QtGui.QLabel(" Y(t) ",self)
self.l2 = QtGui.QLineEdit(self)
self.l2.setText("sin(t)")
self.t3 = QtGui.QLabel(" Z(t) ",self)
self.l3 = QtGui.QLineEdit(self)
self.l3.setText("0")
self.t31 = QtGui.QLabel("Parameters :",self)
self.t4 = QtGui.QLabel(" Min t ",self)
self.l4 = QtGui.QLineEdit(self)
self.l4.setText("0")
self.t5 = QtGui.QLabel(" Max t ",self)
self.l5 = QtGui.QLineEdit(self)
self.l5.setText("6.29")
self.t6 = QtGui.QLabel(" Interval ",self)
self.l6 = QtGui.QLineEdit(self)
self.l6.setText("0.1")
self.t7 = QtGui.QLabel("Type of Line :",self)
self.op1 = QtGui.QCheckBox(" Polyline",self)
self.poly = False
self.op1.stateChanged.connect(self.polyState)
self.op1.setCheckState(QtCore.Qt.Checked)
self.op2 = QtGui.QCheckBox(" Bspline",self)
self.bsline = False
self.op2.stateChanged.connect(self.bsplineState)
self.t8 = QtGui.QLabel(" Closed Curve",self)
self.op3 = QtGui.QCheckBox("",self)
self.cclose = False
self.op3.stateChanged.connect(self.ccloseState)
self.createbutt = QtGui.QPushButton("Create Curve",self)
self.exitbutt = QtGui.QPushButton("Close",self)
layout = QtGui.QGridLayout()
self.resize(240, 380)
self.setWindowTitle("Parametric Curve ")
layout.addWidget(self.t0, 0, 0)
layout.addWidget(self.t1, 1, 0)
layout.addWidget(self.l1, 1, 1)
layout.addWidget(self.t2, 2, 0)
layout.addWidget(self.l2, 2, 1)
layout.addWidget(self.t3, 3, 0)
layout.addWidget(self.l3, 3, 1)
layout.addWidget(self.t31, 4, 0)
layout.addWidget(self.t4, 5, 0)
layout.addWidget(self.l4, 5, 1)
layout.addWidget(self.t5, 6, 0)
layout.addWidget(self.l5, 6, 1)
layout.addWidget(self.t6, 7, 0)
layout.addWidget(self.l6, 7, 1)
layout.addWidget(self.t8, 8, 0)
layout.addWidget(self.op3, 8, 1)
layout.addWidget(self.t7, 9, 0)
layout.addWidget(self.op1, 10, 0)
layout.addWidget(self.op2, 10, 1)
layout.addWidget(self.createbutt, 11, 0)
layout.addWidget(self.exitbutt, 11, 1)
self.setLayout(layout)
self.show()
QtCore.QObject.connect(self.createbutt, QtCore.SIGNAL("pressed()"),self.draw)
QtCore.QObject.connect(self.exitbutt, QtCore.SIGNAL("pressed()"),self.close)
def ccloseState(self, state):
if state == QtCore.Qt.Checked:
self.cclose = True
else:
self.cclose = False
def bsplineState(self, state):
if state == QtCore.Qt.Checked:
self.bsline = True
self.op1.setCheckState(QtCore.Qt.Unchecked)
else:
self.bsline = False
def polyState(self, state):
if state == QtCore.Qt.Checked:
self.poly = True
self.op2.setCheckState(QtCore.Qt.Unchecked)
else:
self.poly = False
def draw(self):
fx = str(self.l1.text())
fy = str(self.l2.text())
fz = str(self.l3.text())
t = float(str(self.l4.text()))
tf = float(self.l5.text())
intv = float(str(self.l6.text()))
d=(tf-t)/intv
matriz = []
for i in range(int(d)):
fxx=eval(fx)
fyy=eval(fy)
fzz=eval(fz)
matriz.append(FreeCAD.Vector(fxx,fyy,fzz))
t+=intv
curva = Part.makePolygon(matriz)
if self.bsline == True:
Draft.makeBSpline(curva,closed=self.cclose,face=False)
if self.poly == True:
Draft.makeWire(curva,closed=self.cclose,face=False)
def close(self):
self.hide()
ParamCurv()