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1 | -- Created on: 1996-02-13 |
2 | -- Created by: Jacques GOUSSARD |
3 | -- Copyright (c) 1996-1999 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 MakePrism from BRepFeat inherits Form from BRepFeat |
24 | |
25 | ---Purpose: Describes functions to build prism features. |
26 | -- These can be depressions or protrusions. |
27 | -- The semantics of prism feature creation is |
28 | -- based on the construction of shapes: |
29 | -- - along a length |
30 | -- - up to a limiting face |
31 | -- - from a limiting face to a height. |
32 | -- The shape defining construction of the prism feature can be |
33 | -- either the supporting edge or the concerned area of a face. |
34 | -- In case of the supporting edge, this contour |
35 | -- can be attached to a face of the basis shape by |
36 | -- binding. When the contour is bound to this face, |
37 | -- the information that the contour will slide on the |
38 | -- face becomes available to the relevant class methods. |
39 | -- In case of the concerned area of a face, you |
40 | -- could, for example, cut it out and move it to a |
41 | -- different height which will define the limiting |
42 | -- face of a protrusion or depression. |
43 | |
44 | uses Shape from TopoDS, |
45 | Face from TopoDS, |
46 | Edge from TopoDS, |
47 | DataMapOfShapeListOfShape from TopTools, |
48 | Dir from gp, |
49 | DataMapOfShapeShape from TopTools, |
50 | SequenceOfCurve from TColGeom, |
51 | Curve from Geom, |
52 | StatusError from BRepFeat |
53 | |
54 | raises ConstructionError from Standard |
55 | |
56 | is |
57 | |
58 | |
59 | Create |
60 | |
61 | returns MakePrism from BRepFeat; |
62 | ---Purpose: Builds a prism by projecting a |
63 | -- wire along the face of a shape. Initializes the prism class. |
64 | ---C++: inline |
65 | |
66 | |
67 | Create(Sbase : Shape from TopoDS; |
68 | Pbase : Shape from TopoDS; |
69 | Skface : Face from TopoDS; |
70 | Direction : Dir from gp; |
71 | Fuse : Integer from Standard; |
72 | Modify : Boolean from Standard) |
73 | |
74 | ---Purpose: Builds a prism by projecting a |
75 | -- wire along the face of a shape. a face Pbase is selected in |
76 | -- the shape Sbase to serve as the basis for |
77 | -- the prism. The orientation of the prism will |
78 | -- be defined by the vector Direction. |
79 | -- Fuse offers a choice between: |
80 | -- - removing matter with a Boolean cut using the setting 0 |
81 | -- - adding matter with Boolean fusion using the setting 1. |
82 | -- The sketch face Skface serves to determine |
83 | -- the type of operation. If it is inside the basis |
84 | -- shape, a local operation such as glueing can be performed. |
85 | -- Exceptions |
86 | -- Standard_ConstructionError if the face |
87 | -- does not belong to the basis or the prism shape. |
88 | ---C++: inline |
89 | returns MakePrism from BRepFeat; |
90 | |
91 | |
92 | Init(me: in out; Sbase : Shape from TopoDS; |
93 | Pbase : Shape from TopoDS; |
94 | Skface : Face from TopoDS; |
95 | Direction : Dir from gp; |
96 | Fuse : Integer from Standard; |
97 | Modify : Boolean from Standard) |
98 | |
99 | is static; |
100 | ---Purpose: Initializes this algorithm for building prisms along surfaces. |
101 | -- A face Pbase is selected in the shape Sbase |
102 | -- to serve as the basis for the prism. The |
103 | -- orientation of the prism will be defined by the vector Direction. |
104 | -- Fuse offers a choice between: |
105 | -- - removing matter with a Boolean cut using the setting 0 |
106 | -- - adding matter with Boolean fusion using the setting 1. |
107 | -- The sketch face Skface serves to determine |
108 | -- the type of operation. If it is inside the basis |
109 | -- shape, a local operation such as glueing can be performed. |
110 | |
111 | Add(me: in out; E: Edge from TopoDS; OnFace: Face from TopoDS) |
112 | |
113 | ---Purpose: Indicates that the edge <E> will slide on the face |
114 | -- <OnFace>. Raises ConstructionError if the face does not belong to the |
115 | -- basis shape, or the edge to the prismed shape. |
116 | raises ConstructionError from Standard |
117 | |
118 | is static; |
119 | |
120 | |
121 | Perform(me: in out; Length: Real from Standard) |
122 | |
123 | is static; |
124 | |
125 | |
126 | Perform(me: in out; Until: Shape from TopoDS) |
127 | |
128 | is static; |
129 | |
130 | |
131 | Perform(me: in out; From : Shape from TopoDS; |
132 | Until: Shape from TopoDS) |
133 | |
134 | is static; |
135 | ---Purpose: Assigns one of the following semantics |
136 | -- - to a height Length |
137 | -- - to a face Until |
138 | -- - from a face From to a height Until. |
139 | -- Reconstructs the feature topologically according to the semantic option chosen. |
140 | |
141 | PerformUntilEnd(me: in out) |
142 | |
143 | is static; |
144 | --- Purpose: Realizes a semi-infinite prism, limited by the |
145 | -- position of the prism base. All other faces extend infinitely. |
146 | |
147 | PerformFromEnd(me: in out; FUntil: Shape from TopoDS) |
148 | |
149 | is static; |
150 | ---Purpose: Realizes a semi-infinite prism, limited by the face Funtil. |
151 | |
152 | |
153 | PerformThruAll(me: in out) |
154 | |
155 | is static; |
156 | ---Purpose: Builds an infinite prism. The infinite descendants will not be kept in the result. |
157 | |
158 | PerformUntilHeight(me: in out; Until : Shape from TopoDS; |
159 | Length: Real from Standard) |
160 | |
161 | is static; |
162 | ---Purpose: Assigns both a limiting shape, Until from |
163 | -- TopoDS_Shape, and a height, Length at which to stop generation of the prism feature. |
164 | |
165 | Curves(me: in out; S : in out SequenceOfCurve from TColGeom); |
166 | --- Purpose: Returns the list of curves S parallel to the axis of the prism. |
167 | |
168 | BarycCurve(me: in out) |
169 | returns Curve from Geom; |
170 | ---Purpose: Generates a curve along the center of mass of the primitive. |
171 | fields |
172 | |
173 | myPbase : Shape from TopoDS; |
174 | mySlface : DataMapOfShapeListOfShape from TopTools; |
175 | myDir : Dir from gp; |
176 | myCurves : SequenceOfCurve from TColGeom; |
177 | myBCurve : Curve from Geom; |
178 | myStatusError : StatusError from BRepFeat; |
179 | |
180 | end MakePrism; |