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1 | -- Created on: 1998-01-24 |
2 | -- Created by: Julia GERASIMOVA |
3 | -- Copyright (c) 1998-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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8 | -- This library is free software; you can redistribute it and/or modify it under |
9 | -- the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | -- by the Free Software Foundation, with special exception defined in the file |
11 | -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | -- distribution for complete text of the license and disclaimer of any warranty. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | class EqualDistanceRelation from AIS inherits Relation from AIS |
18 | |
19 | ---Purpose: A framework to display equivalent distances between |
20 | -- shapes and a given plane. |
21 | -- The distance is the length of a projection from the |
22 | -- shape to the plane. |
23 | -- These distances are used to compare shapes by this vector alone. |
24 | |
25 | uses |
26 | Shape from TopoDS, |
27 | Plane from Geom, |
28 | PresentationManager3d from PrsMgr, |
29 | Presentation from Prs3d, |
30 | Projector from Prs3d, |
31 | Transformation from Geom, |
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32 | Selection from SelectMgr, |
33 | Pnt from gp, |
34 | Drawer from AIS, |
35 | ExtendedString from TCollection, |
36 | Edge from TopoDS, |
37 | Vertex from TopoDS, |
38 | Box from Bnd, |
39 | Dir from gp, |
40 | ArrowSide from DsgPrs, |
41 | TypeOfDist from AIS |
42 | |
43 | is |
44 | Create( aShape1 : Shape from TopoDS; |
45 | aShape2 : Shape from TopoDS; |
46 | aShape3 : Shape from TopoDS; |
47 | aShape4 : Shape from TopoDS; |
48 | aPlane : Plane from Geom ) |
49 | ---Purpose: Constructs a framework to display equivalent |
50 | -- distances between the shapes aShape1, aShape2, |
51 | -- aShape3, aShape4 and the plane aPlane. |
52 | -- The distance is the length of a projection from the |
53 | -- shape to the plane. |
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54 | returns EqualDistanceRelation from AIS; |
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55 | |
56 | SetShape3( me: mutable; aShape : Shape from TopoDS ) |
57 | is static; |
58 | ---Purpose: |
59 | -- Sets the shape aShape to be used as the shape |
60 | -- aShape3 in the framework created at construction time. |
61 | ---C++: inline |
62 | |
63 | Shape3(me) returns Shape from TopoDS |
64 | is static; |
65 | ---Purpose: |
66 | -- Returns the shape aShape3 from the framework |
67 | -- created at construction time. |
68 | ---C++: return const & |
69 | ---C++: inline |
70 | |
71 | SetShape4( me: mutable; aShape : Shape from TopoDS ) |
72 | is static; |
73 | ---C++: inline |
74 | ---Purpose: |
75 | -- Sets the shape aShape to be used as the shape |
76 | -- aShape4 in the framework created at construction time. |
77 | |
78 | Shape4(me) returns Shape from TopoDS |
79 | is static; |
80 | ---C++: return const & |
81 | ---C++: inline |
82 | ---Purpose: |
83 | -- Returns the shape aShape4 from the framework |
84 | -- created at construction time. |
85 | |
86 | -- Methods from PresentableObject |
87 | |
88 | Compute( me : mutable; |
89 | aPresentationManager: PresentationManager3d from PrsMgr; |
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90 | aPresentation : Presentation from Prs3d; |
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91 | aMode : Integer from Standard= 0 ) |
92 | is redefined static private; |
93 | |
94 | Compute( me : mutable; |
95 | aProjector : Projector from Prs3d; |
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96 | aPresentation : Presentation from Prs3d ) |
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97 | is redefined static private; |
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98 | |
99 | Compute(me : mutable; |
100 | aProjector : Projector from Prs3d; |
101 | aTrsf : Transformation from Geom; |
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102 | aPresentation : Presentation from Prs3d) |
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103 | is redefined; |
104 | ---Purpose: Computes the presentation according to a point of view |
105 | -- given by <aProjector>. |
106 | -- To be Used when the associated degenerated Presentations |
107 | -- have been transformed by <aTrsf> which is not a Pure |
108 | -- Translation. The HLR Prs can't be deducted automatically |
109 | -- WARNING :<aTrsf> must be applied |
110 | -- to the object to display before computation !!! |
111 | |
112 | -- Methods from SelectableObject |
113 | |
114 | ComputeSelection( me : mutable; |
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115 | aSelection : Selection from SelectMgr; |
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116 | aMode : Integer from Standard) |
117 | is private; |
118 | -- ota -- begin |
119 | ComputeTwoEdgesLength (myclass; |
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120 | aPresentation : Presentation from Prs3d; |
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121 | aDrawer : Drawer from AIS; |
122 | ArrowSize : Real from Standard; |
123 | FirstEdge : Edge from TopoDS; |
124 | SecondEdge : Edge from TopoDS; |
125 | Plane : Plane from Geom; |
126 | AutomaticPos : Boolean from Standard; |
127 | IsSetBndBox : Boolean from Standard; |
128 | BndBox : Box from Bnd; |
129 | Position : out Pnt from gp; |
130 | FirstAttach : out Pnt from gp; |
131 | SecondAttach : out Pnt from gp; |
132 | FirstExtreme : out Pnt from gp; |
133 | SecondExtreme : out Pnt from gp; |
134 | SymbolPrs : out ArrowSide from DsgPrs ); |
135 | ---Purpose: Computes the location of an intreval between |
136 | -- between two edges. FirstAttach , SecondAttach |
137 | -- are the returned extreme points of the interval. |
138 | |
139 | ComputeTwoVerticesLength(myclass; |
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140 | aPresentation : Presentation from Prs3d; |
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141 | aDrawer : Drawer from AIS; |
142 | ArrowSize : Real from Standard; |
143 | FirstVertex : Vertex from TopoDS; |
144 | SecondVertex : Vertex from TopoDS; |
145 | Plane : Plane from Geom; |
146 | AutomaticPos : Boolean from Standard; |
147 | IsSetBndBox : Boolean from Standard; |
148 | BndBox : Box from Bnd; |
149 | TypeDist : TypeOfDist from AIS; |
150 | Position : out Pnt from gp; |
151 | FirstAttach : out Pnt from gp; |
152 | SecondAttach : out Pnt from gp; |
153 | FirstExtreme : out Pnt from gp; |
154 | SecondExtreme : out Pnt from gp; |
155 | SymbolPrs : out ArrowSide from DsgPrs ); |
156 | ---Purpose: Computes the interval position between two vertexs. FirstAttach, |
157 | -- SecondAttach are the returned extreme points of the interval. |
158 | |
159 | ComputeOneEdgeOneVertexLength(myclass; |
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160 | aPresentation : Presentation from Prs3d; |
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161 | aDrawer : Drawer from AIS; |
162 | ArrowSize : Real from Standard; |
163 | FirstShape : Shape from TopoDS; |
164 | SecondShape : Shape from TopoDS; |
165 | Plane : Plane from Geom; |
166 | AutomaticPos : Boolean from Standard; |
167 | IsSetBndBox : Boolean from Standard; |
168 | BndBox : Box from Bnd; |
169 | Position : out Pnt from gp; |
170 | FirstAttach : out Pnt from gp; |
171 | SecondAttach : out Pnt from gp; |
172 | FirstExtreme : out Pnt from gp; |
173 | SecondExtreme : out Pnt from gp; |
174 | SymbolPrs : out ArrowSide from DsgPrs ); |
175 | ---Purpose: Compute the interval location between a vertex and an edge. Edge may be |
176 | -- a line or a circle. |
177 | |
178 | -- ota -- end |
179 | |
180 | fields |
181 | |
182 | myShape3 : Shape from TopoDS; |
183 | myShape4 : Shape from TopoDS; |
184 | |
185 | myAttachPoint1 : Pnt from gp; -- the start points of constraint curves |
186 | myAttachPoint2 : Pnt from gp; |
187 | myAttachPoint3 : Pnt from gp; |
188 | myAttachPoint4 : Pnt from gp; |
189 | |
190 | myPoint1 : Pnt from gp; -- the end points constraint curves |
191 | myPoint2 : Pnt from gp; |
192 | myPoint3 : Pnt from gp; |
193 | myPoint4 : Pnt from gp; |
194 | |
195 | end EqualDistanceRelation; |