| b311480e |
1 | -- Created on: 1997-09-12 |
| 2 | -- Created by: Philippe MANGIN |
| 3 | -- Copyright (c) 1997-1999 Matra Datavision |
| 4 | -- Copyright (c) 1999-2012 OPEN CASCADE SAS |
| 5 | -- |
| 6 | -- The content of this file is subject to the Open CASCADE Technology Public |
| 7 | -- License Version 6.5 (the "License"). You may not use the content of this file |
| 8 | -- except in compliance with the License. Please obtain a copy of the License |
| 9 | -- at http://www.opencascade.org and read it completely before using this file. |
| 10 | -- |
| 11 | -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 12 | -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 13 | -- |
| 14 | -- The Original Code and all software distributed under the License is |
| 15 | -- distributed on an "AS IS" basis, without warranty of any kind, and the |
| 16 | -- Initial Developer hereby disclaims all such warranties, including without |
| 17 | -- limitation, any warranties of merchantability, fitness for a particular |
| 18 | -- purpose or non-infringement. Please see the License for the specific terms |
| 19 | -- and conditions governing the rights and limitations under the License. |
| 20 | |
| 7fd59977 |
21 | |
| 22 | |
| 23 | class Curve from FEmTool inherits TShared from MMgt |
| 24 | |
| 25 | ---Purpose: Curve defined by Polynomial Elements. |
| 26 | |
| 27 | uses |
| 28 | Base from PLib, |
| 29 | Array1OfReal from TColStd, |
| 30 | HArray1OfInteger from TColStd, |
| 31 | Array2OfReal from TColStd, |
| 32 | Array1OfInteger from TColStd, |
| 33 | HArray1OfReal from TColStd |
| 34 | |
| 35 | raises |
| 36 | DimensionError |
| 37 | |
| 38 | is |
| 39 | Create(Dimension : Integer; |
| 40 | NbElements : Integer; |
| 41 | TheBase : Base from PLib; |
| 42 | Tolerance : Real); |
| 43 | |
| 44 | Knots(me) |
| 45 | ---C++: return & |
| 46 | returns Array1OfReal; |
| 47 | |
| 48 | SetElement(me : mutable; IndexOfElement : Integer; |
| 49 | Coeffs : Array2OfReal); |
| 50 | |
| 51 | D0(me : mutable; U : Real; Pnt : out Array1OfReal); |
| 52 | |
| 53 | D1(me : mutable; U : Real; Vec : out Array1OfReal); |
| 54 | |
| 55 | D2(me : mutable; U : Real; Vec : out Array1OfReal); |
| 56 | |
| 57 | Length(me : mutable; |
| 58 | FirstU, LastU : Real; |
| 59 | Length : out Real); |
| 60 | |
| 61 | GetElement(me : mutable; IndexOfElement : Integer; |
| 62 | Coeffs : out Array2OfReal); |
| 63 | |
| 64 | GetPolynom(me : mutable; Coeffs : out Array1OfReal); |
| 65 | ---Purpose: returns coefficients of all elements in canonical base. |
| 66 | |
| 67 | NbElements(me) returns Integer; |
| 68 | |
| 69 | Dimension(me) returns Integer; |
| 70 | |
| 71 | Base(me) returns Base from PLib; |
| 72 | |
| 73 | Degree(me; IndexOfElement : Integer) returns Integer; |
| 74 | |
| 75 | SetDegree(me : mutable; |
| 76 | IndexOfElement : Integer; |
| 77 | Degree : Integer); |
| 78 | |
| 79 | ReduceDegree(me : mutable; |
| 80 | IndexOfElement : Integer; Tol : Real; |
| 81 | NewDegree : out Integer; MaxError : out Real); |
| 82 | |
| 83 | |
| 84 | Update(me:mutable; Element : Integer; Order : Integer) |
| 85 | is private; |
| 86 | |
| 87 | fields |
| 88 | myNbElements : Integer; |
| 89 | myDimension : Integer; |
| 90 | myTolerance : Real; |
| 91 | myBase : Base from PLib; |
| 92 | myKnots : HArray1OfReal; |
| 93 | myDegree : Array1OfInteger; |
| 94 | myCoeff : Array1OfReal; -- Coeff in <myBase> |
| 95 | myPoly : Array1OfReal; -- Coeff in the canonnical Bases |
| 96 | myDeri : Array1OfReal; -- Coeff of the first Derivative |
| 97 | -- in the canonical Base |
| 98 | myDsecn : Array1OfReal; -- Coeff of the second Derivative |
| 99 | -- in the canonnical Base |
| 100 | HasPoly : Array1OfInteger; -- Say If the Ith Element |
| 101 | -- has an canonical Representation. |
| 102 | HasDeri : Array1OfInteger; -- Say If the Ith Element |
| 103 | -- has an first Derivative Representation. |
| 104 | HasSecn : Array1OfInteger; -- Say If the Ith Element |
| 105 | -- has an second Derivative Representation. |
| 106 | myLength : Array1OfReal; -- Table of Length Element by Element |
| 107 | Uf, Ul : Real; |
| 108 | Denom, USum : Real; |
| 109 | myIndex, myPtr : Integer; |
| 110 | end Curve; |
| 111 | |
| 112 | |
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