| 1 | -- File: ImpParTool.cdl |
| 2 | -- Created: Mon Mar 30 18:19:14 1992 |
| 3 | -- Author: Laurent BUCHARD |
| 4 | -- <lbr@topsn3> |
| 5 | ---Copyright: Matra Datavision 1992 |
| 6 | |
| 7 | |
| 8 | generic class ImpParTool from IntImpParGen ( |
| 9 | ImpTool as any; -- as ImpTool from IntImpParGen |
| 10 | ParCurve as any; |
| 11 | ParTool as any) -- as ParTool from IntImpParGen(ParCurve) |
| 12 | |
| 13 | inherits FunctionWithDerivative from math |
| 14 | |
| 15 | ---Purpose: Implements the function used by FunctionAllRoots |
| 16 | -- to find the areas where the distance between the |
| 17 | -- implicit and the parametric curves is less than a |
| 18 | -- tolerance. |
| 19 | |
| 20 | |
| 21 | uses Pnt2d from gp, |
| 22 | Vec2d from gp |
| 23 | |
| 24 | is |
| 25 | |
| 26 | Create(IT: ImpTool; PC: ParCurve) |
| 27 | |
| 28 | ---Purpose: Constructor of the class. |
| 29 | |
| 30 | returns ImpParTool from IntImpParGen; |
| 31 | |
| 32 | |
| 33 | Value(me: in out; Param: Real from Standard; F: out Real from Standard) |
| 34 | |
| 35 | ---Purpose: Computes the value of the signed distance between |
| 36 | -- the implicit curve and the point at parameter Param |
| 37 | -- on the parametrised curve. |
| 38 | |
| 39 | returns Boolean from Standard |
| 40 | is redefined static; |
| 41 | |
| 42 | |
| 43 | Derivative(me: in out; Param: Real from Standard; |
| 44 | D: out Real from Standard) |
| 45 | |
| 46 | ---Purpose: Computes the derivative of the previous function at |
| 47 | -- parameter Param. |
| 48 | |
| 49 | returns Boolean from Standard |
| 50 | is redefined static; |
| 51 | |
| 52 | |
| 53 | Values(me: in out; Param: Real from Standard; F,D: out Real from Standard) |
| 54 | |
| 55 | ---Purpose: Computes the value and the derivative of the function. |
| 56 | |
| 57 | returns Boolean from Standard |
| 58 | is redefined static; |
| 59 | |
| 60 | fields |
| 61 | |
| 62 | TheParCurve : Address from Standard; |
| 63 | TheImpTool : ImpTool; |
| 64 | |
| 65 | end ImpParTool; |
| 66 | |