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0025132: Visualization - treat any TopoDS_Solid as closed volume
[occt.git] / src / OpenGl / OpenGl_GraduatedTrihedron.cxx
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b311480e 1// Created on: 2011-09-20
2// Created by: Sergey ZERCHANINOV
a174a3c5 3// Copyright (c) 2011-2013 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
b311480e 15
5f8b738e 16#include <OpenGl_GlCore11.hxx>
7fd59977 17
18#include <stddef.h>
19#include <stdio.h>
20#include <stdlib.h>
21#include <math.h>
22
7fd59977 23#include <InterfaceGraphic_Graphic3d.hxx>
24#include <InterfaceGraphic_Aspect.hxx>
25#include <InterfaceGraphic_Visual3d.hxx>
26
7fd59977 27#ifdef HAVE_CONFIG_H
a174a3c5 28 #include <config.h>
7fd59977 29#endif
30#ifdef HAVE_STRING_H
a174a3c5 31 #include <string.h>
7fd59977 32#endif
33
2166f0fa
SK		 34#include <OpenGl_Workspace.hxx>
35#include <OpenGl_View.hxx>
36#include <OpenGl_GraduatedTrihedron.hxx>
37#include <OpenGl_AspectLine.hxx>
7fd59977 38
2166f0fa 39const OpenGl_AspectLine myDefaultAspectLine;
7fd59977 40
a174a3c5 41static const OpenGl_TextParam THE_LABEL_PARAMS =
42{
43 16, Graphic3d_HTA_LEFT, Graphic3d_VTA_BOTTOM
44};
45
2166f0fa
SK		 46/* Bounding box */
47float xmin = 0.0f, ymin = 0.0f, zmin = 0.0f, xmax = 100.0f, ymax = 100.0f, zmax = 100.0f;
7fd59977 48
49/* Normal of the view (not normalized!) */
cfd5fa01 50static float getNormal(float* normal)
7fd59977 51{
2166f0fa
SK		 52 GLint viewport[4];
53 GLdouble model_matrix[16], proj_matrix[16];
54
55 glGetDoublev(GL_MODELVIEW_MATRIX, model_matrix);
56 glGetDoublev(GL_PROJECTION_MATRIX, proj_matrix);
57 glGetIntegerv(GL_VIEWPORT, viewport);
58
59 double x1, y1, z1, x2, y2, z2, x3, y3, z3;
60 gluUnProject(viewport[0], viewport[1], 0., model_matrix, proj_matrix, viewport, &x1, &y1, &z1);
61 gluUnProject(viewport[0] + viewport[2], viewport[1], 0., model_matrix, proj_matrix, viewport, &x2, &y2, &z2);
62 gluUnProject(viewport[0], viewport[1] + viewport[3], 0., model_matrix, proj_matrix, viewport, &x3, &y3, &z3);
63
64 /* Normal out of user is p1p3^p1p2 */
65 const double dx1 = x3 - x1;
66 const double dy1 = y3 - y1;
67 const double dz1 = z3 - z1;
68 const double dx2 = x2 - x1;
69 const double dy2 = y2 - y1;
70 const double dz2 = z2 - z1;
71 normal[0] = (float) (dy1 * dz2 - dz1 * dy2);
72 normal[1] = (float) (dz1 * dx2 - dx1 * dz2);
73 normal[2] = (float) (dx1 * dy2 - dy1 * dx2);
74
75 /* Distance corresponding to 1 pixel */
76 const float width = (float) sqrt(dx2 * dx2 + dy2 * dy2 + dz2 * dz2);
77 return width / (float) viewport[2];
7fd59977 78}
79
80static float getDistance2Corner(float* normal, float* center, float x, float y, float z)
81{
82 return normal[0] * (x - center[0]) + normal[1] * (y - center[1]) + normal[2] * (z - center[2]);
83}
84
cfd5fa01 85static char getFarestCorner(float d000, float d100, float d010, float d001,
7fd59977 86 float d110, float d101, float d011, float d111)
87{
cfd5fa01 88 if (d000 > 0.0f &&
89 d000 > d100 && d000 > d010 && d000 > d001 && d000 > d110 &&
7fd59977 90 d000 > d101 && d000 > d011 && d000 > d111)
91 {
92 return 1;
93 }
94 else if (d100 > 0.0f &&
cfd5fa01 95 d100 > d000 && d100 > d010 && d100 > d001 && d100 > d110 &&
7fd59977 96 d100 > d101 && d100 > d011 && d100 > d111)
97 {
98 return 2;
99 }
100 else if (d010 > 0.0f &&
cfd5fa01 101 d010 > d000 && d010 > d100 && d010 > d001 && d010 > d110 &&
7fd59977 102 d010 > d101 && d010 > d011 && d010 > d111)
103 {
104 return 3;
105 }
106 else if (d001 > 0.0f &&
cfd5fa01 107 d001 > d000 && d001 > d100 && d001 > d010 && d001 > d110 &&
7fd59977 108 d001 > d101 && d001 > d011 && d001 > d111)
109 {
110 return 4;
111 }
112 else if (d110 > 0.0f &&
cfd5fa01 113 d110 > d000 && d110 > d100 && d110 > d010 && d110 > d001 &&
7fd59977 114 d110 > d101 && d110 > d011 && d110 > d111)
115 {
116 return 5;
117 }
118 else if (d101 > 0.0f &&
cfd5fa01 119 d101 > d000 && d101 > d100 && d101 > d010 && d101 > d001 &&
7fd59977 120 d101 > d110 && d101 > d011 && d101 > d111)
121 {
122 return 6;
123 }
124 else if (d011 > 0.0f &&
cfd5fa01 125 d011 > d000 && d011 > d100 && d011 > d010 && d011 > d001 &&
7fd59977 126 d011 > d110 && d011 > d101 && d011 > d111)
127 {
128 return 7;
129 }
130 return 8; /* d111 */
131}
132
cfd5fa01 133static void drawArrow(float x1, float y1, float z1,
7fd59977 134 float x2, float y2, float z2,
135 float xn, float yn, float zn)
136{
137 float h, r;
138 float xa, ya, za;
139 float x0, y0, z0;
140 float xr, yr, zr;
141 float xa1, ya1, za1, xa2, ya2, za2;
142
143 /* Start of arrow: at 10% from the end */
144 x0 = x1 + 0.9f * (x2 - x1); y0 = y1 + 0.9f * (y2 - y1); z0 = z1 + 0.9f * (z2 - z1);
145
146 /* Base of the arrow */
147 xa = (x2 - x0); ya = (y2 - y0); za = (z2 - z0);
148
149 /* Height of the arrow */
150 h = sqrtf(xa * xa + ya * ya + za * za);
151 if (h <= 0.0f)
152 return;
153 xa = xa / h; ya = ya / h; za = za / h;
154
155 /* Radial direction to the arrow */
156 xr = ya * zn - za * yn;
157 yr = za * xn - xa * zn;
158 zr = xa * yn - ya * xn;
159
160 /* Normalize the radial vector */
161 r = sqrtf(xr * xr + yr * yr + zr * zr);
162 if (r <= 0.0f)
163 return;
164 xr = xr / r; yr = yr / r; zr = zr / r;
165
166 /* First point of the base of the arrow */
167 r = 0.2f * h;
168 xr = r * xr; yr = r * yr; zr = r * zr;
169 xa1 = x0 + xr; ya1 = y0 + yr; za1 = z0 + zr;
170
171 /* Second point of the base of the arrow */
172 xa2 = x0 - xr; ya2 = y0 - yr; za2 = z0 - zr;
173
174 /* Draw a line to the arrow */
175 glBegin(GL_LINES);
176 glVertex3f(x1, y1, z1);
177 glVertex3f(x0, y0, z0);
178 glEnd();
179
180 /* Draw a triangle of the arrow */
181 glBegin(GL_LINE_LOOP);
182 glVertex3f(xa1, ya1, za1);
183 glVertex3f(xa2, ya2, za2);
184 glVertex3f(x2, y2, z2);
185 glEnd();
186}
187
a174a3c5 188// =======================================================================
189// function : Release
190// purpose :
191// =======================================================================
192void OpenGl_GraduatedTrihedron::Release (const Handle(OpenGl_Context)& theCtx)
7fd59977 193{
a174a3c5 194 myLabelX.Release (theCtx);
195 myLabelY.Release (theCtx);
196 myLabelZ.Release (theCtx);
197 myLabelValues.Release (theCtx);
7fd59977 198}
199
a174a3c5 200OpenGl_GraduatedTrihedron::OpenGl_GraduatedTrihedron (const Graphic3d_CGraduatedTrihedron& theData)
b64d84be 201: myLabelX (NCollection_String ((Standard_Utf16Char* )theData.xname.ToExtString()).ToCString(), OpenGl_Vec3(1.0f, 0.0f, 0.0f), THE_LABEL_PARAMS),
202 myLabelY (NCollection_String ((Standard_Utf16Char* )theData.yname.ToExtString()).ToCString(), OpenGl_Vec3(0.0f, 1.0f, 0.0f), THE_LABEL_PARAMS),
203 myLabelZ (NCollection_String ((Standard_Utf16Char* )theData.zname.ToExtString()).ToCString(), OpenGl_Vec3(0.0f, 0.0f, 1.0f), THE_LABEL_PARAMS),
a174a3c5 204 myToDrawXName (theData.xdrawname == Standard_True),
205 myToDrawYName (theData.ydrawname == Standard_True),
206 myToDrawZName (theData.zdrawname == Standard_True),
207 myToDrawXValues (theData.xdrawvalues == Standard_True),
208 myToDrawYValues (theData.ydrawvalues == Standard_True),
209 myToDrawZValues (theData.zdrawvalues == Standard_True),
210 myToDrawGrid (theData.drawgrid == Standard_True),
211 myToDrawAxes (theData.drawaxes == Standard_True),
212 myNbX (theData.nbx),
213 myNbY (theData.nby),
214 myNbZ (theData.nbz),
215 myXOffset (theData.xoffset),
216 myYOffset (theData.yoffset),
217 myZOffset (theData.zoffset),
218 myXAxisOffset (theData.xaxisoffset),
219 myYAxisOffset (theData.yaxisoffset),
220 myZAxisOffset (theData.zaxisoffset),
221 myDrawXTickmarks (theData.xdrawtickmarks),
222 myDrawYTickmarks (theData.ydrawtickmarks),
223 myDrawZTickmarks (theData.zdrawtickmarks),
224 myXTickmarkLength (theData.xtickmarklength),
225 myYTickmarkLength (theData.ytickmarklength),
226 myZTickmarkLength (theData.ztickmarklength),
227 myCbCubicAxes (theData.cbCubicAxes),
228 myPtrVisual3dView (theData.ptrVisual3dView)
7fd59977 229{
a174a3c5 230 myAspectLabels.ChangeFontName() = theData.fontOfNames;
231 myAspectValues.ChangeFontName() = theData.fontOfValues;
232 myAspectLabels.SetFontAspect (theData.styleOfNames);
233 myAspectValues.SetFontAspect (theData.styleOfValues);
234 myLabelX.SetFontSize (NULL, theData.sizeOfNames);
235 myLabelY.SetFontSize (NULL, theData.sizeOfNames);
236 myLabelZ.SetFontSize (NULL, theData.sizeOfNames);
237 myLabelValues.SetFontSize (NULL, theData.sizeOfValues);
238
239 // Grid color
240 myGridColor[0] = (float) theData.gridcolor.Red();
241 myGridColor[1] = (float) theData.gridcolor.Green();
242 myGridColor[2] = (float) theData.gridcolor.Blue();
243 // X name color
244 myXNameColor.rgb[0] = (float )theData.xnamecolor.Red();
245 myXNameColor.rgb[1] = (float )theData.xnamecolor.Green();
246 myXNameColor.rgb[2] = (float )theData.xnamecolor.Blue();
247 myXNameColor.rgb[3] = 1.0f;
248 // Y name color
249 myYNameColor.rgb[0] = (float )theData.ynamecolor.Red();
250 myYNameColor.rgb[1] = (float )theData.ynamecolor.Green();
251 myYNameColor.rgb[2] = (float )theData.ynamecolor.Blue();
252 myYNameColor.rgb[3] = 1.0f;
253 // Z name color
254 myZNameColor.rgb[0] = (float )theData.znamecolor.Red();
255 myZNameColor.rgb[1] = (float )theData.znamecolor.Green();
256 myZNameColor.rgb[2] = (float )theData.znamecolor.Blue();
257 myZNameColor.rgb[3] = 1.0f;
258 // X color of axis and values
259 myXColor.rgb[0] = (float )theData.xcolor.Red();
260 myXColor.rgb[1] = (float )theData.xcolor.Green();
261 myXColor.rgb[2] = (float )theData.xcolor.Blue();
262 myXColor.rgb[3] = 1.0f;
263 // Y color of axis and values
264 myYColor.rgb[0] = (float )theData.ycolor.Red();
265 myYColor.rgb[1] = (float )theData.ycolor.Green();
266 myYColor.rgb[2] = (float )theData.ycolor.Blue();
267 myYColor.rgb[3] = 1.0f;
268 // Z color of axis and values
269 myZColor.rgb[0] = (float )theData.zcolor.Red();
270 myZColor.rgb[1] = (float )theData.zcolor.Green();
271 myZColor.rgb[2] = (float )theData.zcolor.Blue();
272 myZColor.rgb[3] = 1.0f;
273}
274
275OpenGl_GraduatedTrihedron::~OpenGl_GraduatedTrihedron()
276{
277 //
2166f0fa 278}
13a22457 279
2166f0fa 280//call_graduatedtrihedron_redraw
a174a3c5 281void OpenGl_GraduatedTrihedron::Render (const Handle(OpenGl_Workspace)& theWorkspace) const
2166f0fa 282{
a174a3c5 283 const OpenGl_AspectLine *oldAspectLine = theWorkspace->SetAspectLine(&myDefaultAspectLine);
284 theWorkspace->AspectLine(Standard_True);
13a22457
S		 285
286 /* Update boundary box */
2166f0fa
SK		 287 if (myCbCubicAxes)
288 myCbCubicAxes(myPtrVisual3dView);
13a22457
S		 289
290 /* Disable lighting for lines */
291 GLboolean light = glIsEnabled(GL_LIGHTING);
292 if (light)
293 glDisable(GL_LIGHTING);
2166f0fa 294
13a22457 295 /* Find the farest point of bounding box */
7fd59977 296
13a22457
S		 297 /* Get normal of the view out of user. */
298 /* Also, the method return distance corresponding to 1 pixel */
299 float normal[3];
300 float dpix = getNormal(normal);
2166f0fa 301
13a22457
S		 302 /* Normalize normal */
303 float d = sqrtf(normal[0] * normal[0] + normal[1] * normal[1] + normal[2] * normal[2]);
304 normal[0] /= d;
305 normal[1] /= d;
306 normal[2] /= d;
307
308 /* Get central point of bounding box */
309 float center[3];
310 center[0] = 0.5f * (xmin + xmax);
311 center[1] = 0.5f * (ymin + ymax);
312 center[2] = 0.5f * (zmin + zmax);
313
314 /* Check distance to corners of bounding box along the normal */
315 float d000 = getDistance2Corner(normal, center, xmin, ymin, zmin);
316 float d100 = getDistance2Corner(normal, center, xmax, ymin, zmin);
317 float d010 = getDistance2Corner(normal, center, xmin, ymax, zmin);
318 float d001 = getDistance2Corner(normal, center, xmin, ymin, zmax);
319 float d110 = getDistance2Corner(normal, center, xmax, ymax, zmin);
320 float d101 = getDistance2Corner(normal, center, xmax, ymin, zmax);
321 float d011 = getDistance2Corner(normal, center, xmin, ymax, zmax);
322 float d111 = getDistance2Corner(normal, center, xmax, ymax, zmax);
323 unsigned char farestCorner = getFarestCorner(d000, d100, d010, d001, d110, d101, d011, d111);
324
325 /* Choose axes for the grid. */
326 float LX1[6], LX2[6], LX3[6]; /* Lines along X direction */
327 float LY1[6], LY2[6], LY3[6]; /* Lines along Y direction */
328 float LZ1[6], LZ2[6], LZ3[6]; /* Lines along Z direction */
1d47d8d0 329 unsigned char LX1draw = 0, LX2draw = 0, LX3draw = 0; /* Allows drawing of X-line (000 - 100 is forbidden) */
330 unsigned char LY1draw = 0, LY2draw = 0, LY3draw = 0; /* Allows drawing of Y-line (000 - 010 is forbidden) */
331 unsigned char LZ1draw = 0, LZ2draw = 0, LZ3draw = 0; /* Allows drawing of Z-line (000 - 001 is forbidden) */
13a22457
S		 332
333 /* The first axis will be used for drawing the text and the values. */
334 switch (farestCorner)
335 {
336 case 1: /* d000 */
337 {
338 /* 001 - 101 */
339 LX1draw = 1;
340 LX1[0] = xmin; LX1[1] = ymin; LX1[2] = zmax; LX1[3] = xmax; LX1[4] = ymin; LX1[5] = zmax;
341 /* 000 - 100 */
342 LX2draw = 0; /* forbidden! */
343 LX2[0] = xmin; LX2[1] = ymin; LX2[2] = zmin; LX2[3] = xmax; LX2[4] = ymin; LX2[5] = zmin;
344 /* 010 - 110 */
345 LX3draw = 1;
346 LX3[0] = xmin; LX3[1] = ymax; LX3[2] = zmin; LX3[3] = xmax; LX3[4] = ymax; LX3[5] = zmin;
347
348 /* 100 - 110 */
349 LY1draw = 1;
350 LY1[0] = xmax; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmax; LY1[4] = ymax; LY1[5] = zmin;
351 /* 000 - 010 */
352 LY2draw = 0; /* forbidden! */
353 LY2[0] = xmin; LY2[1] = ymin; LY2[2] = zmin; LY2[3] = xmin; LY2[4] = ymax; LY2[5] = zmin;
354 /* 001 - 011 */
355 LY3draw = 1;
356 LY3[0] = xmin; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmin; LY3[4] = ymax; LY3[5] = zmax;
357
358 /* 100 - 101 */
359 LZ1draw = 1;
360 LZ1[0] = xmax; LZ1[1] = ymin; LZ1[2] = zmin; LZ1[3] = xmax; LZ1[4] = ymin; LZ1[5] = zmax;
361 /* 000 - 001 */
362 LZ2draw = 0; /* forbidden! */
363 LZ2[0] = xmin; LZ2[1] = ymin; LZ2[2] = zmin; LZ2[3] = xmin; LZ2[4] = ymin; LZ2[5] = zmax;
364 /* 010 - 011 */
365 LZ3draw = 1;
366 LZ3[0] = xmin; LZ3[1] = ymax; LZ3[2] = zmin; LZ3[3] = xmin; LZ3[4] = ymax; LZ3[5] = zmax;
367
368 break;
369 }
370 case 2: /* d100 */
371 {
372 /* 001 - 101 */
373 LX1draw = 1;
374 LX1[0] = xmin; LX1[1] = ymin; LX1[2] = zmax; LX1[3] = xmax; LX1[4] = ymin; LX1[5] = zmax;
375 /* 000 - 100 */
376 LX2draw = 0; /* forbidden! */
377 LX2[0] = xmin; LX2[1] = ymin; LX2[2] = zmin; LX2[3] = xmax; LX2[4] = ymin; LX2[5] = zmin;
378 /* 010 - 110 */
379 LX3draw = 1;
380 LX3[0] = xmin; LX3[1] = ymax; LX3[2] = zmin; LX3[3] = xmax; LX3[4] = ymax; LX3[5] = zmin;
381
382 /* 000 - 010 */
383 LY1draw = 0; /* forbidden! */
384 LY1[0] = xmin; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmin; LY1[4] = ymax; LY1[5] = zmin;
385 /* 100 - 110 */
386 LY2draw = 1;
387 LY2[0] = xmax; LY2[1] = ymin; LY2[2] = zmin; LY2[3] = xmax; LY2[4] = ymax; LY2[5] = zmin;
388 /* 101 - 111 */
389 LY3draw = 1;
390 LY3[0] = xmax; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmax; LY3[4] = ymax; LY3[5] = zmax;
391
392 /* 000 - 001 */
393 LZ1draw = 0; /* forbidden! */
394 LZ1[0] = xmin; LZ1[1] = ymin; LZ1[2] = zmin; LZ1[3] = xmin; LZ1[4] = ymin; LZ1[5] = zmax;
395 /* 100 - 101 */
396 LZ2draw = 1;
397 LZ2[0] = xmax; LZ2[1] = ymin; LZ2[2] = zmin; LZ2[3] = xmax; LZ2[4] = ymin; LZ2[5] = zmax;
398 /* 110 - 111 */
399 LZ3draw = 1;
400 LZ3[0] = xmax; LZ3[1] = ymax; LZ3[2] = zmin; LZ3[3] = xmax; LZ3[4] = ymax; LZ3[5] = zmax;
401
402 break;
403 }
404 case 3: /* d010 */
405 {
406 /* 000 - 100 */
407 LX1draw = 0; /* forbidden */
408 LX1[0] = xmin; LX1[1] = ymin; LX1[2] = zmin; LX1[3] = xmax; LX1[4] = ymin; LX1[5] = zmin;
409 /* 010 - 110 */
410 LX2draw = 1;
411 LX2[0] = xmin; LX2[1] = ymax; LX2[2] = zmin; LX2[3] = xmax; LX2[4] = ymax; LX2[5] = zmin;
412 /* 011 - 111 */
413 LX3draw = 1;
414 LX3[0] = xmin; LX3[1] = ymax; LX3[2] = zmax; LX3[3] = xmax; LX3[4] = ymax; LX3[5] = zmax;
415
416 /* 100 - 110 */
417 LY1draw = 1;
418 LY1[0] = xmax; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmax; LY1[4] = ymax; LY1[5] = zmin;
419 /* 000 - 010 */
420 LY2draw = 0; /* forbidden */
421 LY2[0] = xmin; LY2[1] = ymin; LY2[2] = zmin; LY2[3] = xmin; LY2[4] = ymax; LY2[5] = zmin;
422 /* 001 - 011 */
423 LY3draw = 1;
424 LY3[0] = xmin; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmin; LY3[4] = ymax; LY3[5] = zmax;
425
426 /* 110 - 111 */
427 LZ1draw = 1;
428 LZ1[0] = xmax; LZ1[1] = ymax; LZ1[2] = zmin; LZ1[3] = xmax; LZ1[4] = ymax; LZ1[5] = zmax;
429 /* 010 - 011 */
430 LZ2draw = 1;
431 LZ2[0] = xmin; LZ2[1] = ymax; LZ2[2] = zmin; LZ2[3] = xmin; LZ2[4] = ymax; LZ2[5] = zmax;
432 /* 000 - 001 */
433 LZ3draw = 0; /* forbidden */
434 LZ3[0] = xmin; LZ3[1] = ymin; LZ3[2] = zmin; LZ3[3] = xmin; LZ3[4] = ymin; LZ3[5] = zmax;
435
436 break;
437 }
438 case 4: /* d001 */
439 {
440 /* 000 - 100 */
441 LX1draw = 0; /* forbidden */
442 LX1[0] = xmin; LX1[1] = ymin; LX1[2] = zmin; LX1[3] = xmax; LX1[4] = ymin; LX1[5] = zmin;
443 /* 001 - 101 */
444 LX2draw = 1;
445 LX2[0] = xmin; LX2[1] = ymin; LX2[2] = zmax; LX2[3] = xmax; LX2[4] = ymin; LX2[5] = zmax;
446 /* 011 - 111 */
447 LX3draw = 1;
448 LX3[0] = xmin; LX3[1] = ymax; LX3[2] = zmax; LX3[3] = xmax; LX3[4] = ymax; LX3[5] = zmax;
449
450 /* 000 - 010 */
451 LY1draw = 0; /* forbidden */
452 LY1[0] = xmin; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmin; LY1[4] = ymax; LY1[5] = zmin;
453 /* 001 - 011 */
454 LY2draw = 1;
455 LY2[0] = xmin; LY2[1] = ymin; LY2[2] = zmax; LY2[3] = xmin; LY2[4] = ymax; LY2[5] = zmax;
456 /* 101 - 111 */
457 LY3draw = 1;
458 LY3[0] = xmax; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmax; LY3[4] = ymax; LY3[5] = zmax;
459
460 /* 100 - 101 */
461 LZ1draw = 1;
462 LZ1[0] = xmax; LZ1[1] = ymin; LZ1[2] = zmin; LZ1[3] = xmax; LZ1[4] = ymin; LZ1[5] = zmax;
463 /* 000 - 001 */
464 LZ2draw = 0; /* forbidden */
465 LZ2[0] = xmin; LZ2[1] = ymin; LZ2[2] = zmin; LZ2[3] = xmin; LZ2[4] = ymin; LZ2[5] = zmax;
466 /* 010 - 011 */
467 LZ3draw = 1;
468 LZ3[0] = xmin; LZ3[1] = ymax; LZ3[2] = zmin; LZ3[3] = xmin; LZ3[4] = ymax; LZ3[5] = zmax;
469
470 break;
471 }
472 case 5: /* d110 */
473 {
474 /* 000 - 100 */
475 LX1draw = 0; /* forbidden */
476 LX1[0] = xmin; LX1[1] = ymin; LX1[2] = zmin; LX1[3] = xmax; LX1[4] = ymin; LX1[5] = zmin;
477 /* 010 - 110 */
478 LX2draw = 1;
479 LX2[0] = xmin; LX2[1] = ymax; LX2[2] = zmin; LX2[3] = xmax; LX2[4] = ymax; LX2[5] = zmin;
480 /* 011 - 111 */
481 LX3draw = 1;
482 LX3[0] = xmin; LX3[1] = ymax; LX3[2] = zmax; LX3[3] = xmax; LX3[4] = ymax; LX3[5] = zmax;
483
484 /* 000 - 010 */
485 LY1draw = 0; /* forbidden */
486 LY1[0] = xmin; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmin; LY1[4] = ymax; LY1[5] = zmin;
487 /* 100 - 110 */
488 LY2draw = 1;
489 LY2[0] = xmax; LY2[1] = ymin; LY2[2] = zmin; LY2[3] = xmax; LY2[4] = ymax; LY2[5] = zmin;
490 /* 101 - 111 */
491 LY3draw = 1;
492 LY3[0] = xmax; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmax; LY3[4] = ymax; LY3[5] = zmax;
493
494 /* 100 - 101 */
495 LZ1draw = 1;
496 LZ1[0] = xmax; LZ1[1] = ymin; LZ1[2] = zmin; LZ1[3] = xmax; LZ1[4] = ymin; LZ1[5] = zmax;
497 /* 110 - 111 */
498 LZ2draw = 1;
499 LZ2[0] = xmax; LZ2[1] = ymax; LZ2[2] = zmin; LZ2[3] = xmax; LZ2[4] = ymax; LZ2[5] = zmax;
500 /* 010 - 011 */
501 LZ3draw = 1;
502 LZ3[0] = xmin; LZ3[1] = ymax; LZ3[2] = zmin; LZ3[3] = xmin; LZ3[4] = ymax; LZ3[5] = zmax;
503
504 break;
505 }
506 case 6: /* d101 */
507 {
508 /* 000 - 100 */
509 LX1draw = 0; /* forbidden */
510 LX1[0] = xmin; LX1[1] = ymin; LX1[2] = zmin; LX1[3] = xmax; LX1[4] = ymin; LX1[5] = zmin;
511 /* 001 - 101 */
512 LX2draw = 1;
513 LX2[0] = xmin; LX2[1] = ymin; LX2[2] = zmax; LX2[3] = xmax; LX2[4] = ymin; LX2[5] = zmax;
514 /* 011 - 111 */
515 LX3draw = 1;
516 LX3[0] = xmin; LX3[1] = ymax; LX3[2] = zmax; LX3[3] = xmax; LX3[4] = ymax; LX3[5] = zmax;
517
518 /* 100 - 110 */
519 LY1draw = 1;
520 LY1[0] = xmax; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmax; LY1[4] = ymax; LY1[5] = zmin;
521 /* 101 - 111 */
522 LY2draw = 1;
523 LY2[0] = xmax; LY2[1] = ymin; LY2[2] = zmax; LY2[3] = xmax; LY2[4] = ymax; LY2[5] = zmax;
524 /* 001 - 011 */
525 LY3draw = 1;
526 LY3[0] = xmin; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmin; LY3[4] = ymax; LY3[5] = zmax;
527
528 /* 000 - 001 */
529 LZ1draw = 0; /* forbidden */
530 LZ1[0] = xmin; LZ1[1] = ymin; LZ1[2] = zmin; LZ1[3] = xmin; LZ1[4] = ymin; LZ1[5] = zmax;
531 /* 100 - 101 */
532 LZ2draw = 1;
533 LZ2[0] = xmax; LZ2[1] = ymin; LZ2[2] = zmin; LZ2[3] = xmax; LZ2[4] = ymin; LZ2[5] = zmax;
534 /* 110 - 111 */
535 LZ3draw = 1;
536 LZ3[0] = xmax; LZ3[1] = ymax; LZ3[2] = zmin; LZ3[3] = xmax; LZ3[4] = ymax; LZ3[5] = zmax;
537
538 break;
539 }
540 case 7: /* d011 */
541 {
542 /* 001 - 101 */
543 LX1draw = 1;
544 LX1[0] = xmin; LX1[1] = ymin; LX1[2] = zmax; LX1[3] = xmax; LX1[4] = ymin; LX1[5] = zmax;
545 /* 011 - 111 */
546 LX2draw = 1;
547 LX2[0] = xmin; LX2[1] = ymax; LX2[2] = zmax; LX2[3] = xmax; LX2[4] = ymax; LX2[5] = zmax;
548 /* 010 - 110 */
549 LX3draw = 1;
550 LX3[0] = xmin; LX3[1] = ymax; LX3[2] = zmin; LX3[3] = xmax; LX3[4] = ymax; LX3[5] = zmin;
551
552 /* 000 - 010 */
553 LY1draw = 0; /* forbidden */
554 LY1[0] = xmin; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmin; LY1[4] = ymax; LY1[5] = zmin;
555 /* 001 - 011 */
556 LY2draw = 1;
557 LY2[0] = xmin; LY2[1] = ymin; LY2[2] = zmax; LY2[3] = xmin; LY2[4] = ymax; LY2[5] = zmax;
558 /* 101 - 111 */
559 LY3draw = 1;
560 LY3[0] = xmax; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmax; LY3[4] = ymax; LY3[5] = zmax;
561
562 /* 000 - 001 */
563 LZ1draw = 0; /* forbidden */
564 LZ1[0] = xmin; LZ1[1] = ymin; LZ1[2] = zmin; LZ1[3] = xmin; LZ1[4] = ymin; LZ1[5] = zmax;
565 /* 010 - 011 */
566 LZ2draw = 1;
567 LZ2[0] = xmin; LZ2[1] = ymax; LZ2[2] = zmin; LZ2[3] = xmin; LZ2[4] = ymax; LZ2[5] = zmax;
568 /* 110 - 111 */
569 LZ3draw = 1;
570 LZ3[0] = xmax; LZ3[1] = ymax; LZ3[2] = zmin; LZ3[3] = xmax; LZ3[4] = ymax; LZ3[5] = zmax;
571
572 break;
573 }
574 case 8: /* d111 */
575 {
576 /* 010 - 110 */
577 LX1draw = 1;
578 LX1[0] = xmin; LX1[1] = ymax; LX1[2] = zmin; LX1[3] = xmax; LX1[4] = ymax; LX1[5] = zmin;
579 /* 011 - 111 */
580 LX2draw = 1;
581 LX2[0] = xmin; LX2[1] = ymax; LX2[2] = zmax; LX2[3] = xmax; LX2[4] = ymax; LX2[5] = zmax;
582 /* 001 - 101 */
583 LX3draw = 1;
584 LX3[0] = xmin; LX3[1] = ymin; LX3[2] = zmax; LX3[3] = xmax; LX3[4] = ymin; LX3[5] = zmax;
585
586 /* 100 - 110 */
587 LY1draw = 1;
588 LY1[0] = xmax; LY1[1] = ymin; LY1[2] = zmin; LY1[3] = xmax; LY1[4] = ymax; LY1[5] = zmin;
589 /* 101 - 111 */
590 LY2draw = 1;
591 LY2[0] = xmax; LY2[1] = ymin; LY2[2] = zmax; LY2[3] = xmax; LY2[4] = ymax; LY2[5] = zmax;
592 /* 001 - 011 */
593 LY3draw = 1;
594 LY3[0] = xmin; LY3[1] = ymin; LY3[2] = zmax; LY3[3] = xmin; LY3[4] = ymax; LY3[5] = zmax;
595
596 /* 100 - 101 */
597 LZ1draw = 1;
598 LZ1[0] = xmax; LZ1[1] = ymin; LZ1[2] = zmin; LZ1[3] = xmax; LZ1[4] = ymin; LZ1[5] = zmax;
599 /* 110 - 111 */
600 LZ2draw = 1;
601 LZ2[0] = xmax; LZ2[1] = ymax; LZ2[2] = zmin; LZ2[3] = xmax; LZ2[4] = ymax; LZ2[5] = zmax;
602 /* 010 - 011 */
603 LZ3draw = 1;
604 LZ3[0] = xmin; LZ3[1] = ymax; LZ3[2] = zmin; LZ3[3] = xmin; LZ3[4] = ymax; LZ3[5] = zmax;
605
606 break;
607 }
608 }
609
a174a3c5 610 // Draw the graduated trihedron
611 unsigned int i, offset;
13a22457
S		 612 float m1[3], m2[3];
613 float step, dx, dy, dz;
614
a174a3c5 615 // Grid
616 if (myToDrawGrid)
13a22457 617 {
2166f0fa 618 glColor3fv(myGridColor);
13a22457 619 glBegin(GL_LINES);
a174a3c5 620 // Boundary grid-lines
13a22457
S		 621 if (LX1draw == 1)
622 {
623 glVertex3fv(&(LX1[0]));
624 glVertex3fv(&(LX1[3]));
625 }
626 if (LX2draw == 1)
627 {
628 glVertex3fv(&(LX2[0]));
629 glVertex3fv(&(LX2[3]));
630 }
631 if (LX3draw == 1)
632 {
633 glVertex3fv(&(LX3[0]));
634 glVertex3fv(&(LX3[3]));
635 }
636 if (LY1draw == 1)
637 {
638 glVertex3fv(&(LY1[0]));
639 glVertex3fv(&(LY1[3]));
640 }
641 if (LY2draw == 1)
642 {
643 glVertex3fv(&(LY2[0]));
644 glVertex3fv(&(LY2[3]));
645 }
646 if (LY3draw == 1)
647 {
648 glVertex3fv(&(LY3[0]));
649 glVertex3fv(&(LY3[3]));
650 }
651 if (LZ1draw == 1)
652 {
653 glVertex3fv(&(LZ1[0]));
654 glVertex3fv(&(LZ1[3]));
655 }
656 if (LZ2draw == 1)
657 {
658 glVertex3fv(&(LZ2[0]));
659 glVertex3fv(&(LZ2[3]));
660 }
661 if (LZ3draw == 1)
662 {
663 glVertex3fv(&(LZ3[0]));
664 glVertex3fv(&(LZ3[3]));
665 }
666 glEnd();
667
668 /* Intermediate grid-lines */
669 /* X-Grid lines */
2166f0fa 670 if (myNbX > 0)
13a22457 671 {
a174a3c5 672 i = myToDrawAxes ? 1 : 0;
2166f0fa
SK		 673 step = fabsf(LX1[3] - LX1[0]) / (float) myNbX;
674 while (i < myNbX)
13a22457
S		 675 {
676 glBegin(GL_LINE_STRIP);
677 glVertex3f(LX1[0] + i * step, LX1[1], LX1[2]);
678 glVertex3f(LX2[0] + i * step, LX2[1], LX2[2]);
679 glVertex3f(LX3[0] + i * step, LX3[1], LX3[2]);
680 glEnd();
681 i++;
682 }
683 }
684 /* Y-Grid lines */
2166f0fa 685 if (myNbY > 0)
13a22457 686 {
a174a3c5 687 i = myToDrawAxes ? 1 : 0;
2166f0fa
SK		 688 step = fabsf(LY1[4] - LY1[1]) / (float) myNbY;
689 while (i < myNbY)
13a22457
S		 690 {
691 glBegin(GL_LINE_STRIP);
692 glVertex3f(LY1[0], LY1[1] + i * step, LY1[2]);
693 glVertex3f(LY2[0], LY2[1] + i * step, LY2[2]);
694 glVertex3f(LY3[0], LY3[1] + i * step, LY3[2]);
695 glEnd();
696 i++;
697 }
698 }
699 /* Z-Grid lines */
2166f0fa 700 if (myNbZ > 0)
13a22457 701 {
a174a3c5 702 i = myToDrawAxes ? 1 : 0;
2166f0fa 703 step = fabsf(LZ1[5] - LZ1[2]) / (float) myNbZ;
a174a3c5 704
2166f0fa 705 while (i < myNbZ)
13a22457
S		 706 {
707 glBegin(GL_LINE_STRIP);
708 glVertex3f(LZ1[0], LZ1[1], LZ1[2] + i * step);
709 glVertex3f(LZ2[0], LZ2[1], LZ2[2] + i * step);
710 glVertex3f(LZ3[0], LZ3[1], LZ3[2] + i * step);
711 glEnd();
712 i++;
713 }
714 }
715 }
716
a174a3c5 717 // Axes (arrows)
718 if (myToDrawAxes)
13a22457 719 {
a174a3c5 720 // X-axis
721 glColor3fv(myXColor.rgb);
13a22457
S		 722 drawArrow(xmin, ymin, zmin, xmax, ymin, zmin, normal[0], normal[1], normal[2]);
723
a174a3c5 724 // Y-axis
725 glColor3fv(myYColor.rgb);
13a22457
S		 726 drawArrow(xmin, ymin, zmin, xmin, ymax, zmin, normal[0], normal[1], normal[2]);
727
a174a3c5 728 // Z-axis
729 glColor3fv(myZColor.rgb);
13a22457
S		 730 drawArrow(xmin, ymin, zmin, xmin, ymin, zmax, normal[0], normal[1], normal[2]);
731 }
732
a174a3c5 733 // Names of axes & values
13a22457 734 char textValue[128];
13a22457 735
a174a3c5 736 if (myToDrawXName || myToDrawXValues)
13a22457 737 {
a174a3c5 738 // Middle point of the first X-axis
13a22457
S		 739 m1[0] = 0.5f * (LX1[0] + LX1[3]);
740 m1[1] = 0.5f * (LX1[1] + LX1[4]);
741 m1[2] = 0.5f * (LX1[2] + LX1[5]);
742
a174a3c5 743 // Middle point of the second X-axis
13a22457
S		 744 m2[0] = 0.5f * (LX2[0] + LX2[3]);
745 m2[1] = 0.5f * (LX2[1] + LX2[4]);
746 m2[2] = 0.5f * (LX2[2] + LX2[5]);
747
a174a3c5 748 // Apply offset to m1
13a22457
S		 749 dy = m1[1] - m2[1];
750 if (fabsf(dy) > 1.e-7f)
7fd59977 751 {
13a22457 752 dy = (dy > 0.0f)? 1.0f : -1.0f;
7fd59977 753 }
13a22457
S		 754 dz = m1[2] - m2[2];
755 if (fabsf(dz) > 1.e-7f)
756 {
757 dz = (dz > 0.0f)? 1.0f : -1.0f;
758 }
759 m2[1] = dpix * dy;
760 m2[2] = dpix * dz;
7fd59977 761
a174a3c5 762 // Name of X-axis
763 if (myToDrawXName)
13a22457 764 {
2166f0fa 765 offset = myXAxisOffset + myXTickmarkLength;
a174a3c5 766
767 // draw axes labels
768 myAspectLabels.ChangeColor() = myXNameColor;
769 const OpenGl_AspectText* aPrevAspectText = theWorkspace->SetAspectText (&myAspectLabels);
770 myLabelX.SetPosition (OpenGl_Vec3(m1[0], m1[1] + offset * m2[1], m1[2] + offset * m2[2]));
771 myLabelX.Render (theWorkspace);
772 theWorkspace->SetAspectText (aPrevAspectText);
13a22457 773 }
7fd59977 774
a174a3c5 775 // X-values
776 if (myToDrawXValues && myNbX > 0)
7fd59977 777 {
a174a3c5 778 myAspectValues.ChangeColor() = myXColor;
779 const OpenGl_AspectText* aPrevAspectText = theWorkspace->SetAspectText (&myAspectValues);
13a22457 780
2166f0fa
SK		 781 step = fabsf(LX1[3] - LX1[0]) / (float) myNbX;
782 offset = myXOffset + myXTickmarkLength;
a174a3c5 783 for (unsigned int anIter = 0; anIter <= myNbX; ++anIter)
13a22457 784 {
a174a3c5 785 sprintf (textValue, "%g", LX1[0] + anIter * step);
786 myLabelValues.Init (theWorkspace->GetGlContext(), textValue,
787 OpenGl_Vec3(LX1[0] + anIter * step, m1[1] + offset * m2[1], m1[2] + offset * m2[2]));
788 myLabelValues.Render (theWorkspace);
13a22457 789 }
a174a3c5 790 theWorkspace->SetAspectText (aPrevAspectText);
13a22457
S		 791 }
792
a174a3c5 793 // X-tickmark
2166f0fa 794 if (myDrawXTickmarks && myNbX > 0)
13a22457 795 {
2166f0fa 796 glColor3fv(myGridColor);
13a22457 797
2166f0fa 798 step = fabsf(LX1[3] - LX1[0]) / (float) myNbX;
a174a3c5 799 for (unsigned int anIter = 0; anIter <= myNbX; ++anIter)
13a22457 800 {
7fd59977 801 glBegin(GL_LINES);
a174a3c5 802 glVertex3f(LX1[0] + anIter * step, m1[1], m1[2]);
803 glVertex3f(LX1[0] + anIter * step, m1[1] + myXTickmarkLength * m2[1], m1[2] + myXTickmarkLength * m2[2]);
7fd59977 804 glEnd();
13a22457
S		 805 }
806 }
807 }
808
a174a3c5 809 if (myToDrawYName || myToDrawYValues)
13a22457 810 {
a174a3c5 811 // Middle point of the first Y-axis
13a22457
S		 812 m1[0] = 0.5f * (LY1[0] + LY1[3]);
813 m1[1] = 0.5f * (LY1[1] + LY1[4]);
814 m1[2] = 0.5f * (LY1[2] + LY1[5]);
815
a174a3c5 816 // Middle point of the second Y-axis
13a22457
S		 817 m2[0] = 0.5f * (LY2[0] + LY2[3]);
818 m2[1] = 0.5f * (LY2[1] + LY2[4]);
819 m2[2] = 0.5f * (LY2[2] + LY2[5]);
820
a174a3c5 821 // Apply offset to m1
13a22457
S		 822 dx = m1[0] - m2[0];
823 if (fabsf(dx) > 1.e-7f)
824 {
825 dx = (dx > 0.0f)? 1.0f : -1.0f;
826 }
827 dz = m1[2] - m2[2];
828 if (fabsf(dz) > 1.e-7f)
829 {
830 dz = (dz > 0.0f)? 1.0f : -1.0f;
831 }
832
833 m2[0] = dpix * dx;
834 m2[2] = dpix * dz;
7fd59977 835
a174a3c5 836 // Name of Y-axis
837 if (myToDrawYName)
13a22457 838 {
2166f0fa 839 offset = myYAxisOffset + myYTickmarkLength;
a174a3c5 840
841 myAspectLabels.ChangeColor() = myYNameColor;
842 const OpenGl_AspectText* aPrevAspectText = theWorkspace->SetAspectText (&myAspectLabels);
843 myLabelY.SetPosition (OpenGl_Vec3(m1[0] + offset * m2[0], m1[1], m1[2] + offset * m2[2]));
844 myLabelY.Render (theWorkspace);
845 theWorkspace->SetAspectText (aPrevAspectText);
7fd59977 846 }
847
a174a3c5 848 // Y-values
849 if (myToDrawYValues && myNbY > 0)
7fd59977 850 {
a174a3c5 851 myAspectValues.ChangeColor() = myYColor;
852 const OpenGl_AspectText* aPrevAspectText = theWorkspace->SetAspectText (&myAspectValues);
13a22457 853
2166f0fa
SK		 854 step = fabsf(LY1[4] - LY1[1]) / (float) myNbY;
855 offset = myYOffset + myYTickmarkLength;
a174a3c5 856 for (unsigned int anIter = 0; anIter <= myNbY; ++anIter)
13a22457 857 {
a174a3c5 858 sprintf (textValue, "%g", LY1[1] + anIter * step);
859 myLabelValues.Init (theWorkspace->GetGlContext(), textValue,
860 OpenGl_Vec3(m1[0] + offset * m2[0], LY1[1] + anIter * step, m1[2] + offset * m2[2]));
861 myLabelValues.Render (theWorkspace);
13a22457 862 }
a174a3c5 863 theWorkspace->SetAspectText (aPrevAspectText);
7fd59977 864 }
7fd59977 865
a174a3c5 866 // Y-tickmark
2166f0fa 867 if (myDrawYTickmarks && myNbY > 0)
13a22457 868 {
2166f0fa 869 glColor3fv(myGridColor);
13a22457
S		 870
871 i = 0;
2166f0fa
SK		 872 step = fabsf(LY1[4] - LY1[1]) / (float) myNbY;
873 while (i <= myNbY)
13a22457
S		 874 {
875 glBegin(GL_LINES);
2166f0fa
SK		 876 glVertex3f(m1[0], LY1[1] + i * step, m1[2]);
877 glVertex3f(m1[0] + myYTickmarkLength * m2[0], LY1[1] + i * step, m1[2] + myYTickmarkLength * m2[2]);
13a22457
S		 878 glEnd();
879 i++;
880 }
881 }
882 }
883
a174a3c5 884 if (myToDrawZName || myToDrawZValues)
13a22457 885 {
a174a3c5 886 // Middle point of the first Z-axis
13a22457
S		 887 m1[0] = 0.5f * (LZ1[0] + LZ1[3]);
888 m1[1] = 0.5f * (LZ1[1] + LZ1[4]);
889 m1[2] = 0.5f * (LZ1[2] + LZ1[5]);
890
a174a3c5 891 // Middle point of the second Z-axis
13a22457
S		 892 m2[0] = 0.5f * (LZ2[0] + LZ2[3]);
893 m2[1] = 0.5f * (LZ2[1] + LZ2[4]);
894 m2[2] = 0.5f * (LZ2[2] + LZ2[5]);
895
a174a3c5 896 // Apply offset to m1
13a22457
S		 897 dx = m1[0] - m2[0];
898 if (fabsf(dx) > 1.e-7f)
899 {
900 dx = (dx > 0.0f)? 1.0f : -1.0f;
901 }
902 dy = m1[1] - m2[1];
903 if (fabsf(dy) > 1.e-7f)
7fd59977 904 {
13a22457 905 dy = (dy > 0.0f)? 1.0f : -1.0f;
7fd59977 906 }
907
13a22457
S		 908 m2[0] = dpix * dx;
909 m2[1] = dpix * dy;
910
a174a3c5 911 // Name of Z-axis
912 if (myToDrawZName)
7fd59977 913 {
2166f0fa 914 offset = myZAxisOffset + myZTickmarkLength;
a174a3c5 915
916 myAspectLabels.ChangeColor() = myZNameColor;
917 const OpenGl_AspectText* aPrevAspectText = theWorkspace->SetAspectText (&myAspectLabels);
918 myLabelZ.SetPosition (OpenGl_Vec3(m1[0] + offset * m2[0], m1[1] + offset * m2[1], m1[2]));
919 myLabelZ.Render (theWorkspace);
920 theWorkspace->SetAspectText (aPrevAspectText);
7fd59977 921 }
922
a174a3c5 923 // Z-values
924 if (myToDrawZValues && myNbZ > 0)
7fd59977 925 {
a174a3c5 926 myAspectValues.ChangeColor() = myZColor;
927 const OpenGl_AspectText* aPrevAspectText = theWorkspace->SetAspectText (&myAspectValues);
13a22457 928
2166f0fa
SK		 929 step = fabsf(LZ1[5] - LZ1[2]) / (float) myNbZ;
930 offset = myZOffset + myZTickmarkLength;
a174a3c5 931 for (unsigned int anIter = 0; anIter <= myNbZ; ++anIter)
13a22457 932 {
a174a3c5 933 sprintf (textValue, "%g", LZ1[2] + anIter * step);
934 myLabelValues.Init (theWorkspace->GetGlContext(), textValue,
935 OpenGl_Vec3(m1[0] + offset * m2[0], m1[1] + offset * m2[1], LZ1[2] + anIter * step));
936 myLabelValues.Render (theWorkspace);
13a22457 937 }
a174a3c5 938 theWorkspace->SetAspectText (aPrevAspectText);
7fd59977 939 }
940
a174a3c5 941 // Z-tickmark
2166f0fa 942 if (myDrawZTickmarks && myNbZ > 0)
13a22457 943 {
2166f0fa 944 glColor3fv(myGridColor);
13a22457
S		 945
946 i = 0;
2166f0fa
SK		 947 step = fabsf(LZ1[5] - LZ1[2]) / (float) myNbZ;
948 while (i <= myNbZ)
13a22457
S		 949 {
950 glBegin(GL_LINES);
2166f0fa
SK		 951 glVertex3f(m1[0], m1[1], LZ1[2] + i * step);
952 glVertex3f(m1[0] + myZTickmarkLength * m2[0], m1[1] + myZTickmarkLength * m2[1], LZ1[2] + i * step);
13a22457
S		 953 glEnd();
954 i++;
955 }
956 }
957 }
958
a174a3c5 959 // Activate the lighting if it was turned off by this method call
13a22457
S		 960 if (light)
961 glEnable(GL_LIGHTING);
2166f0fa 962
a174a3c5 963 theWorkspace->SetAspectLine(oldAspectLine);
7fd59977 964}
965
2166f0fa
SK		 966//call_graduatedtrihedron_minmaxvalues
967void OpenGl_GraduatedTrihedron::SetMinMax (const Standard_ShortReal xMin, const Standard_ShortReal yMin, const Standard_ShortReal zMin,
968 const Standard_ShortReal xMax, const Standard_ShortReal yMax, const Standard_ShortReal zMax)
7fd59977 969{
2166f0fa
SK		 970 xmin = xMin;
971 ymin = yMin;
972 zmin = zMin;
973 xmax = xMax;
974 ymax = yMax;
975 zmax = zMax;
13a22457 976}
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