1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
-- File: GeomAPI_ProjectPointOnCurve.cdl
-- Created: Thu Mar 17 10:13:44 1994
-- Author: Bruno DUMORTIER
-- <dub@fuegox>
---Copyright: Matra Datavision 1994
class ProjectPointOnCurve from GeomAPI
---Purpose:
-- This class implements methods for computing all the orthogonal
-- projections of a 3D point onto a 3D curve.
uses
Curve from Geom,
Curve from GeomAdaptor,
ExtPC from Extrema,
Pnt from gp,
Length from Quantity,
Parameter from Quantity
raises
OutOfRange from Standard,
NotDone from StdFail
is
Create
---Purpose: Creates an empty object. Use an
-- Init function for further initialization.
returns ProjectPointOnCurve from GeomAPI;
Create(P : Pnt from gp;
Curve : Curve from Geom)
---Purpose: Create the projection of a point <P> on a curve
-- <Curve>
---Level: Public
returns ProjectPointOnCurve from GeomAPI;
Create(P : Pnt from gp;
Curve : Curve from Geom;
Umin, Usup : Parameter from Quantity)
---Purpose: Create the projection of a point <P> on a curve
-- <Curve> limited by the two points of parameter Umin and Usup.
returns ProjectPointOnCurve from GeomAPI;
Init(me : in out;
P : Pnt from gp;
Curve : Curve from Geom)
---Purpose: Init the projection of a point <P> on a curve
-- <Curve>
---Level: Public
is static;
Init(me : in out;
P : Pnt from gp;
Curve : Curve from Geom;
Umin, Usup : Parameter from Quantity)
---Purpose: Init the projection of a point <P> on a curve
-- <Curve> limited by the two points of parameter Umin and Usup.
is static;
--modified by NIZNHY-PKV Wed Apr 3 17:47:28 2002 f
Init(me : in out;
Curve : Curve from Geom;
Umin, Usup : Parameter from Quantity)
---Purpose: Init the projection of a point <P> on a curve
-- <Curve> limited by the two points of parameter Umin and Usup.
is static;
Perform (me: in out; P: Pnt from gp)
---Purpose: Performs the projection of a point on the current curve.
---Level : Public.
is static;
--modified by NIZNHY-PKV Wed Apr 3 17:47:30 2002 t
NbPoints(me)
---Purpose: Returns the number of computed
-- orthogonal projection points.
-- Note: if this algorithm fails, NbPoints returns 0.
returns Integer from Standard
---C++: alias "Standard_EXPORT operator Standard_Integer() const;"
is static;
Point(me; Index : Integer from Standard)
---Purpose: Returns the orthogonal projection
-- on the curve. Index is a number of a computed point.
-- Exceptions
-- Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
-- NbPoints is the number of solution points.
returns Pnt from gp
raises
OutOfRange from Standard
is static;
Parameter(me; Index : Integer from Standard)
---Purpose: Returns the parameter on the curve
-- of the point, which is the orthogonal projection. Index is a
-- number of a computed point.
-- Exceptions
-- Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
-- NbPoints is the number of solution points.
returns Parameter from Quantity
raises
OutOfRange from Standard
is static;
Parameter(me; Index : Integer from Standard;
U : out Parameter from Quantity)
---Purpose: Returns the parameter on the curve
-- of the point, which is the orthogonal projection. Index is a
-- number of a computed point.
-- Exceptions
-- Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
-- NbPoints is the number of solution points.-
raises
OutOfRange from Standard
is static;
Distance(me; Index : Integer from Standard)
returns Length from Quantity
---Purpose: Computes the distance between the
-- point and its orthogonal projection on the curve. Index is a number of a computed point.
-- Exceptions
-- Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
-- NbPoints is the number of solution points.
raises
OutOfRange from Standard
is static;
NearestPoint(me)
---Purpose: Returns the nearest orthogonal
-- projection of the point on the curve.
-- Exceptions: StdFail_NotDone if this algorithm fails.
returns Pnt from gp
---C++: alias "Standard_EXPORT operator gp_Pnt() const;"
raises
NotDone from StdFail
is static;
LowerDistanceParameter(me)
---Purpose: Returns the parameter on the curve
-- of the nearest orthogonal projection of the point.
-- Exceptions: StdFail_NotDone if this algorithm fails.
returns Parameter from Quantity
raises
NotDone from StdFail
is static;
LowerDistance(me)
---Purpose: Computes the distance between the
-- point and its nearest orthogonal projection on the curve.
-- Exceptions: StdFail_NotDone if this algorithm fails.
returns Length from Quantity
---C++: alias "Standard_EXPORT operator Standard_Real() const;"
raises
NotDone from StdFail
is static;
Extrema(me)
---Purpose: return the algorithmic object from Extrema
---Level: Advanced
---C++: return const&
---C++: inline
returns ExtPC from Extrema
is static;
fields
myIsDone: Boolean from Standard;
myIndex : Integer from Standard; -- index of the nearest solution
myExtPC : ExtPC from Extrema;
myC : Curve from GeomAdaptor;
end ProjectPointOnCurve;
|
