973c2be1 |
1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e |
2 | // |
973c2be1 |
3 | // This file is part of Open CASCADE Technology software library. |
b311480e |
4 | // |
d5f74e42 |
5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
973c2be1 |
7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
b311480e |
10 | // |
973c2be1 |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
b311480e |
13 | |
7fd59977 |
14 | |
42cf5bc1 |
15 | #include <Aspect_GradientBackground.hxx> |
16 | #include <Aspect_Grid.hxx> |
17 | #include <Aspect_RectangularGrid.hxx> |
18 | #include <Aspect_Window.hxx> |
19 | #include <Bnd_Box.hxx> |
20 | #include <gp_Ax3.hxx> |
21 | #include <gp_Dir.hxx> |
7fd59977 |
22 | #include <gp_Dir2d.hxx> |
42cf5bc1 |
23 | #include <Graphic3d_Group.hxx> |
24 | #include <Graphic3d_Structure.hxx> |
25 | #include <Graphic3d_TextureEnv.hxx> |
42cf5bc1 |
26 | #include <Quantity_Color.hxx> |
27 | #include <Standard_MultiplyDefined.hxx> |
28 | #include <Standard_TypeMismatch.hxx> |
29 | #include <TColStd_Array2OfReal.hxx> |
30 | #include <V3d_BadValue.hxx> |
7fd59977 |
31 | #include <V3d_CircularGrid.hxx> |
42cf5bc1 |
32 | #include <V3d_Light.hxx> |
33 | #include <V3d_RectangularGrid.hxx> |
34 | #include <V3d_UnMapped.hxx> |
35 | #include <V3d_View.hxx> |
36 | #include <V3d_Viewer.hxx> |
92efcf78 |
37 | #include <Aspect_CircularGrid.hxx> |
7fd59977 |
38 | |
81bba717 |
39 | #define MYEPSILON1 0.0001 // Comparison with 0.0 |
c6541a0c |
40 | #define MYEPSILON2 M_PI / 180. // Delta between 2 angles |
7fd59977 |
41 | |
c357e426 |
42 | //============================================================================= |
43 | //function : SetGrid |
44 | //purpose : |
45 | //============================================================================= |
b8ddfc2f |
46 | void V3d_View::SetGrid (const gp_Ax3& aPlane, const Handle(Aspect_Grid)& aGrid) |
47 | { |
b5ac8292 |
48 | MyPlane = aPlane; |
49 | MyGrid = aGrid; |
50 | |
51 | Standard_Real xl, yl, zl; |
52 | Standard_Real xdx, xdy, xdz; |
53 | Standard_Real ydx, ydy, ydz; |
54 | Standard_Real dx, dy, dz; |
55 | aPlane.Location ().Coord (xl, yl, zl); |
56 | aPlane.XDirection ().Coord (xdx, xdy, xdz); |
57 | aPlane.YDirection ().Coord (ydx, ydy, ydz); |
58 | aPlane.Direction ().Coord (dx, dy, dz); |
59 | |
60 | Standard_Real CosAlpha = Cos (MyGrid->RotationAngle ()); |
61 | Standard_Real SinAlpha = Sin (MyGrid->RotationAngle ()); |
62 | |
63 | TColStd_Array2OfReal Trsf1 (1, 4, 1, 4); |
64 | Trsf1 (4, 4) = 1.0; |
65 | Trsf1 (4, 1) = Trsf1 (4, 2) = Trsf1 (4, 3) = 0.0; |
66 | // Translation |
67 | Trsf1 (1, 4) = xl, |
68 | Trsf1 (2, 4) = yl, |
69 | Trsf1 (3, 4) = zl; |
70 | // Transformation change of marker |
71 | Trsf1 (1, 1) = xdx, |
72 | Trsf1 (2, 1) = xdy, |
73 | Trsf1 (3, 1) = xdz, |
74 | Trsf1 (1, 2) = ydx, |
75 | Trsf1 (2, 2) = ydy, |
76 | Trsf1 (3, 2) = ydz, |
77 | Trsf1 (1, 3) = dx, |
78 | Trsf1 (2, 3) = dy, |
79 | Trsf1 (3, 3) = dz; |
80 | |
81 | TColStd_Array2OfReal Trsf2 (1, 4, 1, 4); |
82 | Trsf2 (4, 4) = 1.0; |
83 | Trsf2 (4, 1) = Trsf2 (4, 2) = Trsf2 (4, 3) = 0.0; |
84 | // Translation of the origin |
85 | Trsf2 (1, 4) = -MyGrid->XOrigin (), |
86 | Trsf2 (2, 4) = -MyGrid->YOrigin (), |
87 | Trsf2 (3, 4) = 0.0; |
88 | // Rotation Alpha around axis -Z |
89 | Trsf2 (1, 1) = CosAlpha, |
90 | Trsf2 (2, 1) = -SinAlpha, |
91 | Trsf2 (3, 1) = 0.0, |
92 | Trsf2 (1, 2) = SinAlpha, |
93 | Trsf2 (2, 2) = CosAlpha, |
94 | Trsf2 (3, 2) = 0.0, |
95 | Trsf2 (1, 3) = 0.0, |
96 | Trsf2 (2, 3) = 0.0, |
97 | Trsf2 (3, 3) = 1.0; |
98 | |
99 | Standard_Real valuetrsf; |
100 | Standard_Real valueoldtrsf; |
101 | Standard_Real valuenewtrsf; |
102 | Standard_Integer i, j, k; |
103 | // Calculation of the product of matrices |
104 | for (i=1; i<=4; i++) |
105 | for (j=1; j<=4; j++) { |
106 | MyTrsf (i, j) = 0.0; |
107 | for (k=1; k<=4; k++) { |
108 | valueoldtrsf = Trsf1 (i, k); |
109 | valuetrsf = Trsf2 (k, j); |
110 | valuenewtrsf = MyTrsf (i, j) + valueoldtrsf * valuetrsf; |
111 | MyTrsf (i, j) = valuenewtrsf; |
112 | } |
113 | } |
7fd59977 |
114 | } |
115 | |
c357e426 |
116 | //============================================================================= |
117 | //function : SetGridActivity |
118 | //purpose : |
119 | //============================================================================= |
b8ddfc2f |
120 | void V3d_View::SetGridActivity (const Standard_Boolean AFlag) |
121 | { |
b5ac8292 |
122 | if (AFlag) MyGrid->Activate (); |
123 | else MyGrid->Deactivate (); |
7fd59977 |
124 | } |
125 | |
c357e426 |
126 | //============================================================================= |
127 | //function : toPolarCoords |
128 | //purpose : |
129 | //============================================================================= |
b5ac8292 |
130 | void toPolarCoords (const Standard_Real theX, const Standard_Real theY, |
131 | Standard_Real& theR, Standard_Real& thePhi) |
132 | { |
133 | theR = Sqrt (theX * theX + theY * theY); |
134 | thePhi = ATan2 (theY, theX); |
135 | } |
136 | |
c357e426 |
137 | //============================================================================= |
138 | //function : toCartesianCoords |
139 | //purpose : |
140 | //============================================================================= |
b5ac8292 |
141 | void toCartesianCoords (const Standard_Real theR, const Standard_Real thePhi, |
142 | Standard_Real& theX, Standard_Real& theY) |
143 | { |
144 | theX = theR * Cos (thePhi); |
145 | theY = theR * Sin (thePhi); |
146 | } |
147 | |
c357e426 |
148 | //============================================================================= |
149 | //function : Compute |
150 | //purpose : |
151 | //============================================================================= |
475c2302 |
152 | Graphic3d_Vertex V3d_View::Compute (const Graphic3d_Vertex& theVertex) const |
b8ddfc2f |
153 | { |
475c2302 |
154 | const Handle(Graphic3d_Camera)& aCamera = Camera(); |
155 | gp_Dir VPN = aCamera->Direction().Reversed(); // RefPlane |
156 | gp_Dir GPN = MyPlane.Direction(); |
7fd59977 |
157 | |
475c2302 |
158 | Standard_Real XPp = 0.0, YPp = 0.0; |
159 | Project (theVertex.X(), theVertex.Y(), theVertex.Z(), XPp, YPp); |
7fd59977 |
160 | |
b5ac8292 |
161 | // Casw when the plane of the grid and the plane of the view |
162 | // are perpendicular to MYEPSILON2 close radians |
475c2302 |
163 | if (Abs (VPN.Angle (GPN) - M_PI / 2.) < MYEPSILON2) |
164 | { |
165 | return theVertex; |
b5ac8292 |
166 | } |
167 | |
475c2302 |
168 | const gp_XYZ aPnt0 = V3d_View::TrsPoint (Graphic3d_Vertex (0.0, 0.0, 0.0), MyTrsf); |
b5ac8292 |
169 | |
170 | // get grid axes in world space |
475c2302 |
171 | const gp_XYZ aPnt1 = V3d_View::TrsPoint (Graphic3d_Vertex (1.0, 0.0, 0.0), MyTrsf); |
172 | gp_Vec aGridX (aPnt0, aPnt1); |
b5ac8292 |
173 | aGridX.Normalize(); |
174 | |
475c2302 |
175 | const gp_XYZ aPnt2 = V3d_View::TrsPoint (Graphic3d_Vertex (0.0, 1.0, 0.0), MyTrsf); |
176 | gp_Vec aGridY (aPnt0, aPnt2); |
b5ac8292 |
177 | aGridY.Normalize(); |
178 | |
b5ac8292 |
179 | // project ray from camera onto grid plane |
475c2302 |
180 | const gp_Vec aProjection = aCamera->IsOrthographic() |
181 | ? gp_Vec (aCamera->Direction()) |
182 | : gp_Vec (aCamera->Eye(), gp_Pnt (theVertex.X(), theVertex.Y(), theVertex.Z())).Normalized(); |
183 | const gp_Vec aPointOrigin = gp_Vec (gp_Pnt (theVertex.X(), theVertex.Y(), theVertex.Z()), aPnt0); |
184 | const Standard_Real aT = aPointOrigin.Dot (MyPlane.Direction()) / aProjection.Dot (MyPlane.Direction()); |
185 | const gp_XYZ aPointOnPlane = gp_XYZ (theVertex.X(), theVertex.Y(), theVertex.Z()) + aProjection.XYZ() * aT; |
186 | |
187 | if (Handle(Aspect_RectangularGrid) aRectGrid = Handle(Aspect_RectangularGrid)::DownCast (MyGrid)) |
188 | { |
b5ac8292 |
189 | // project point on plane to grid local space |
475c2302 |
190 | const gp_Vec aToPoint (aPnt0, aPointOnPlane); |
191 | const Standard_Real anXSteps = Round (aGridX.Dot (aToPoint) / aRectGrid->XStep()); |
192 | const Standard_Real anYSteps = Round (aGridY.Dot (aToPoint) / aRectGrid->YStep()); |
b5ac8292 |
193 | |
194 | // clamp point to grid |
475c2302 |
195 | const gp_Vec aResult = aGridX * anXSteps * aRectGrid->XStep() |
196 | + aGridY * anYSteps * aRectGrid->YStep() |
197 | + gp_Vec (aPnt0); |
198 | return Graphic3d_Vertex (aResult.X(), aResult.Y(), aResult.Z()); |
b5ac8292 |
199 | } |
200 | else // IsCircular |
201 | { |
475c2302 |
202 | Handle(Aspect_CircularGrid) aCircleGrid = Handle(Aspect_CircularGrid)::DownCast (MyGrid); |
203 | const Standard_Real anAlpha = M_PI / Standard_Real (aCircleGrid->DivisionNumber()); |
b5ac8292 |
204 | |
205 | // project point on plane to grid local space |
475c2302 |
206 | const gp_Vec aToPoint (aPnt0, aPointOnPlane); |
b5ac8292 |
207 | Standard_Real aLocalX = aGridX.Dot (aToPoint); |
208 | Standard_Real aLocalY = aGridY.Dot (aToPoint); |
475c2302 |
209 | Standard_Real anR = 0.0, aPhi = 0.0; |
b5ac8292 |
210 | toPolarCoords (aLocalX, aLocalY, anR, aPhi); |
211 | |
212 | // clamp point to grid |
475c2302 |
213 | const Standard_Real anRSteps = Round (anR / aCircleGrid->RadiusStep()); |
214 | const Standard_Real aPhiSteps = Round (aPhi / anAlpha); |
215 | toCartesianCoords (anRSteps * aCircleGrid->RadiusStep(), aPhiSteps * anAlpha, aLocalX, aLocalY); |
b5ac8292 |
216 | |
475c2302 |
217 | const gp_Vec aResult = aGridX * aLocalX + aGridY * aLocalY + gp_Vec (aPnt0); |
218 | return Graphic3d_Vertex (aResult.X(), aResult.Y(), aResult.Z()); |
b5ac8292 |
219 | } |
7fd59977 |
220 | } |
221 | |
c357e426 |
222 | //============================================================================= |
223 | //function : ZBufferTriedronSetup |
224 | //purpose : |
225 | //============================================================================= |
87432b82 |
226 | void V3d_View::ZBufferTriedronSetup(const Quantity_Color& theXColor, |
227 | const Quantity_Color& theYColor, |
228 | const Quantity_Color& theZColor, |
229 | const Standard_Real theSizeRatio, |
230 | const Standard_Real theAxisDiametr, |
231 | const Standard_Integer theNbFacettes) |
7fd59977 |
232 | { |
caf231b0 |
233 | myTrihedron->SetArrowsColor (theXColor, theYColor, theZColor); |
234 | myTrihedron->SetSizeRatio (theSizeRatio); |
235 | myTrihedron->SetNbFacets (theNbFacettes); |
236 | myTrihedron->SetArrowDiameter (theAxisDiametr); |
7fd59977 |
237 | } |
238 | |
c357e426 |
239 | //============================================================================= |
240 | //function : TriedronDisplay |
241 | //purpose : |
242 | //============================================================================= |
243 | void V3d_View::TriedronDisplay (const Aspect_TypeOfTriedronPosition thePosition, |
87432b82 |
244 | const Quantity_Color& theColor, |
c357e426 |
245 | const Standard_Real theScale, |
246 | const V3d_TypeOfVisualization theMode) |
b8ddfc2f |
247 | { |
caf231b0 |
248 | myTrihedron->SetLabelsColor (theColor); |
249 | myTrihedron->SetScale (theScale); |
250 | myTrihedron->SetPosition (thePosition); |
251 | myTrihedron->SetWireframe (theMode == V3d_WIREFRAME); |
252 | |
253 | myTrihedron->Display (*this); |
7fd59977 |
254 | } |
255 | |
c357e426 |
256 | //============================================================================= |
257 | //function : TriedronErase |
258 | //purpose : |
259 | //============================================================================= |
260 | void V3d_View::TriedronErase() |
b8ddfc2f |
261 | { |
caf231b0 |
262 | myTrihedron->Erase(); |
7fd59977 |
263 | } |
264 | |
c357e426 |
265 | //============================================================================= |
266 | //function : GetGraduatedTrihedron |
267 | //purpose : |
268 | //============================================================================= |
536d98e2 |
269 | const Graphic3d_GraduatedTrihedron& V3d_View::GetGraduatedTrihedron() const |
7fd59977 |
270 | { |
c357e426 |
271 | return myView->GetGraduatedTrihedron(); |
7fd59977 |
272 | } |
273 | |
c357e426 |
274 | //============================================================================= |
275 | //function : GraduatedTrihedronDisplay |
276 | //purpose : |
277 | //============================================================================= |
a79f67f8 |
278 | void V3d_View::GraduatedTrihedronDisplay(const Graphic3d_GraduatedTrihedron& theTrihedronData) |
7fd59977 |
279 | { |
c357e426 |
280 | myView->GraduatedTrihedronDisplay (theTrihedronData); |
7fd59977 |
281 | } |
282 | |
c357e426 |
283 | //============================================================================= |
284 | //function : GraduatedTrihedronErase |
285 | //purpose : |
286 | //============================================================================= |
7fd59977 |
287 | void V3d_View::GraduatedTrihedronErase() |
288 | { |
c357e426 |
289 | myView->GraduatedTrihedronErase(); |
7fd59977 |
290 | } |