GeezerVisonThe World Wide Web, restored to 800 pixels of glory. |
| Home|About|Gaming cabinet|Archives|How it works|Starter sites |
GeezerVison is showing github.com — solvespace/src/solvespace.cpp at python · realthunder/solvespace Expand file tree/ Copy pathsolvespace.cppMore file actions 888 lines (773 loc) · 30.3 KB / Copy pathsolvespace.cppFile metadata and controls888 lines (773 loc) · 30.3 KB 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 //----------------------------------------------------------------------------- // Entry point in to the program, our registry-stored settings and top-level // housekeeping when we open, save, and create new files. // // Copyright 2008-2013 Jonathan Westhues. //----------------------------------------------------------------------------- #include "solvespace.h" #include "config.h" SolveSpaceUI SolveSpace::SS = {}; Sketch SolveSpace::SK = {}; std::string SolveSpace::RecentFile[MAX_RECENT] = {}; void SolveSpaceUI::Init() { SS.tangentArcRadius = 10.0; // Then, load the registry settings. int i; // Default list of colors for the model material modelColor[0] = CnfThawColor(RGBi(150, 150, 150), "ModelColor_0"); modelColor[1] = CnfThawColor(RGBi(100, 100, 100), "ModelColor_1"); modelColor[2] = CnfThawColor(RGBi( 30, 30, 30), "ModelColor_2"); modelColor[3] = CnfThawColor(RGBi(150, 0, 0), "ModelColor_3"); modelColor[4] = CnfThawColor(RGBi( 0, 100, 0), "ModelColor_4"); modelColor[5] = CnfThawColor(RGBi( 0, 80, 80), "ModelColor_5"); modelColor[6] = CnfThawColor(RGBi( 0, 0, 130), "ModelColor_6"); modelColor[7] = CnfThawColor(RGBi( 80, 0, 80), "ModelColor_7"); // Light intensities lightIntensity[0] = CnfThawFloat(1.0f, "LightIntensity_0"); lightIntensity[1] = CnfThawFloat(0.5f, "LightIntensity_1"); ambientIntensity = 0.3; // no setting for that yet // Light positions lightDir[0].x = CnfThawFloat(-1.0f, "LightDir_0_Right" ); lightDir[0].y = CnfThawFloat( 1.0f, "LightDir_0_Up" ); lightDir[0].z = CnfThawFloat( 0.0f, "LightDir_0_Forward" ); lightDir[1].x = CnfThawFloat( 1.0f, "LightDir_1_Right" ); lightDir[1].y = CnfThawFloat( 0.0f, "LightDir_1_Up" ); lightDir[1].z = CnfThawFloat( 0.0f, "LightDir_1_Forward" ); exportMode = false; // Chord tolerance chordTol = CnfThawFloat(0.5f, "ChordTolerancePct"); // Max pwl segments to generate maxSegments = CnfThawInt(10, "MaxSegments"); // Chord tolerance exportChordTol = CnfThawFloat(0.1f, "ExportChordTolerance"); // Max pwl segments to generate exportMaxSegments = CnfThawInt(64, "ExportMaxSegments"); // View units viewUnits = (Unit)CnfThawInt((uint32_t)UNIT_MM, "ViewUnits"); // Number of digits after the decimal point afterDecimalMm = CnfThawInt(2, "AfterDecimalMm"); afterDecimalInch = CnfThawInt(3, "AfterDecimalInch"); // Camera tangent (determines perspective) cameraTangent = CnfThawFloat(0.3f/1e3f, "CameraTangent"); // Grid spacing gridSpacing = CnfThawFloat(5.0f, "GridSpacing"); // Export scale factor exportScale = CnfThawFloat(1.0f, "ExportScale"); // Export offset (cutter radius comp) exportOffset = CnfThawFloat(0.0f, "ExportOffset"); // Rewrite exported colors close to white into black (assuming white bg) fixExportColors = CnfThawBool(true, "FixExportColors"); // Draw back faces of triangles (when mesh is leaky/self-intersecting) drawBackFaces = CnfThawBool(true, "DrawBackFaces"); // Check that contours are closed and not self-intersecting checkClosedContour = CnfThawBool(true, "CheckClosedContour"); // Export shaded triangles in a 2d view exportShadedTriangles = CnfThawBool(true, "ExportShadedTriangles"); // Export pwl curves (instead of exact) always exportPwlCurves = CnfThawBool(false, "ExportPwlCurves"); // Background color on-screen backgroundColor = CnfThawColor(RGBi(0, 0, 0), "BackgroundColor"); // Whether export canvas size is fixed or derived from bbox exportCanvasSizeAuto = CnfThawBool(true, "ExportCanvasSizeAuto"); // Margins for automatic canvas size exportMargin.left = CnfThawFloat(5.0f, "ExportMargin_Left"); exportMargin.right = CnfThawFloat(5.0f, "ExportMargin_Right"); exportMargin.bottom = CnfThawFloat(5.0f, "ExportMargin_Bottom"); exportMargin.top = CnfThawFloat(5.0f, "ExportMargin_Top"); // Dimensions for fixed canvas size exportCanvas.width = CnfThawFloat(100.0f, "ExportCanvas_Width"); exportCanvas.height = CnfThawFloat(100.0f, "ExportCanvas_Height"); exportCanvas.dx = CnfThawFloat( 5.0f, "ExportCanvas_Dx"); exportCanvas.dy = CnfThawFloat( 5.0f, "ExportCanvas_Dy"); // Extra parameters when exporting G code gCode.depth = CnfThawFloat(10.0f, "GCode_Depth"); gCode.passes = CnfThawInt(1, "GCode_Passes"); gCode.feed = CnfThawFloat(10.0f, "GCode_Feed"); gCode.plungeFeed = CnfThawFloat(10.0f, "GCode_PlungeFeed"); // Show toolbar in the graphics window showToolbar = CnfThawBool(true, "ShowToolbar"); // Recent files menus for(i = 0; i < MAX_RECENT; i++) { RecentFile[i] = CnfThawString("", "RecentFile_" + std::to_string(i)); } RefreshRecentMenus(); // Autosave timer autosaveInterval = CnfThawInt(5, "AutosaveInterval"); // The default styles (colors, line widths, etc.) are also stored in the // configuration file, but we will automatically load those as we need // them. SetAutosaveTimerFor(autosaveInterval); NewFile(); AfterNewFile(); } bool SolveSpaceUI::LoadAutosaveFor(const std::string &filename) { std::string autosaveFile = filename + AUTOSAVE_SUFFIX; FILE *f = ssfopen(autosaveFile, "rb"); if(!f) return false; fclose(f); if(LoadAutosaveYesNo() == DIALOG_YES) { unsaved = true; return LoadFromFile(autosaveFile); } return false; } bool SolveSpaceUI::OpenFile(const std::string &filename) { bool autosaveLoaded = LoadAutosaveFor(filename); bool fileLoaded = autosaveLoaded || LoadFromFile(filename); if(fileLoaded) saveFile = filename; bool success = fileLoaded && ReloadAllImported(/*canCancel=*/true); if(success) { AddToRecentList(filename); } else { saveFile = ""; NewFile(); } AfterNewFile(); unsaved = autosaveLoaded; return success; } void SolveSpaceUI::Exit(void) { // Recent files for(int i = 0; i < MAX_RECENT; i++) CnfFreezeString(RecentFile[i], "RecentFile_" + std::to_string(i)); // Model colors for(int i = 0; i < MODEL_COLORS; i++) CnfFreezeColor(modelColor[i], "ModelColor_" + std::to_string(i)); // Light intensities CnfFreezeFloat((float)lightIntensity[0], "LightIntensity_0"); CnfFreezeFloat((float)lightIntensity[1], "LightIntensity_1"); // Light directions CnfFreezeFloat((float)lightDir[0].x, "LightDir_0_Right"); CnfFreezeFloat((float)lightDir[0].y, "LightDir_0_Up"); CnfFreezeFloat((float)lightDir[0].z, "LightDir_0_Forward"); CnfFreezeFloat((float)lightDir[1].x, "LightDir_1_Right"); CnfFreezeFloat((float)lightDir[1].y, "LightDir_1_Up"); CnfFreezeFloat((float)lightDir[1].z, "LightDir_1_Forward"); // Chord tolerance CnfFreezeFloat((float)chordTol, "ChordTolerancePct"); // Max pwl segments to generate CnfFreezeInt((uint32_t)maxSegments, "MaxSegments"); // Export Chord tolerance CnfFreezeFloat((float)exportChordTol, "ExportChordTolerance"); // Export Max pwl segments to generate CnfFreezeInt((uint32_t)exportMaxSegments, "ExportMaxSegments"); // View units CnfFreezeInt((uint32_t)viewUnits, "ViewUnits"); // Number of digits after the decimal point CnfFreezeInt((uint32_t)afterDecimalMm, "AfterDecimalMm"); CnfFreezeInt((uint32_t)afterDecimalInch, "AfterDecimalInch"); // Camera tangent (determines perspective) CnfFreezeFloat((float)cameraTangent, "CameraTangent"); // Grid spacing CnfFreezeFloat(gridSpacing, "GridSpacing"); // Export scale CnfFreezeFloat(exportScale, "ExportScale"); // Export offset (cutter radius comp) CnfFreezeFloat(exportOffset, "ExportOffset"); // Rewrite exported colors close to white into black (assuming white bg) CnfFreezeBool(fixExportColors, "FixExportColors"); // Draw back faces of triangles (when mesh is leaky/self-intersecting) CnfFreezeBool(drawBackFaces, "DrawBackFaces"); // Check that contours are closed and not self-intersecting CnfFreezeBool(checkClosedContour, "CheckClosedContour"); // Export shaded triangles in a 2d view CnfFreezeBool(exportShadedTriangles, "ExportShadedTriangles"); // Export pwl curves (instead of exact) always CnfFreezeBool(exportPwlCurves, "ExportPwlCurves"); // Background color on-screen CnfFreezeColor(backgroundColor, "BackgroundColor"); // Whether export canvas size is fixed or derived from bbox CnfFreezeBool(exportCanvasSizeAuto, "ExportCanvasSizeAuto"); // Margins for automatic canvas size CnfFreezeFloat(exportMargin.left, "ExportMargin_Left"); CnfFreezeFloat(exportMargin.right, "ExportMargin_Right"); CnfFreezeFloat(exportMargin.bottom, "ExportMargin_Bottom"); CnfFreezeFloat(exportMargin.top, "ExportMargin_Top"); // Dimensions for fixed canvas size CnfFreezeFloat(exportCanvas.width, "ExportCanvas_Width"); CnfFreezeFloat(exportCanvas.height, "ExportCanvas_Height"); CnfFreezeFloat(exportCanvas.dx, "ExportCanvas_Dx"); CnfFreezeFloat(exportCanvas.dy, "ExportCanvas_Dy"); // Extra parameters when exporting G code CnfFreezeFloat(gCode.depth, "GCode_Depth"); CnfFreezeInt(gCode.passes, "GCode_Passes"); CnfFreezeFloat(gCode.feed, "GCode_Feed"); CnfFreezeFloat(gCode.plungeFeed, "GCode_PlungeFeed"); // Show toolbar in the graphics window CnfFreezeBool(showToolbar, "ShowToolbar"); // Autosave timer CnfFreezeInt(autosaveInterval, "AutosaveInterval"); // And the default styles, colors and line widths and such. Style::FreezeDefaultStyles(); ExitNow(); } void SolveSpaceUI::ScheduleGenerateAll() { if(!later.scheduled) ScheduleLater(); later.scheduled = true; later.generateAll = true; } void SolveSpaceUI::ScheduleShowTW() { if(!later.scheduled) ScheduleLater(); later.scheduled = true; later.showTW = true; } void SolveSpaceUI::DoLater(void) { if(later.generateAll) GenerateAll(); if(later.showTW) TW.Show(); later = {}; } double SolveSpaceUI::MmPerUnit(void) { if(viewUnits == UNIT_INCHES) { return 25.4; } else { return 1.0; } } const char *SolveSpaceUI::UnitName(void) { if(viewUnits == UNIT_INCHES) { return "inch"; } else { return "mm"; } } std::string SolveSpaceUI::MmToString(double v) { if(viewUnits == UNIT_INCHES) { return ssprintf("%.*f", afterDecimalInch, v/25.4); } else { return ssprintf("%.*f", afterDecimalMm, v); } } double SolveSpaceUI::ExprToMm(Expr *e) { return (e->Eval()) * MmPerUnit(); } double SolveSpaceUI::StringToMm(const std::string &str) { return std::stod(str) * MmPerUnit(); } double SolveSpaceUI::ChordTolMm(void) { if(exportMode) return ExportChordTolMm(); return chordTolCalculated; } double SolveSpaceUI::ExportChordTolMm(void) { return exportChordTol / exportScale; } int SolveSpaceUI::GetMaxSegments(void) { if(exportMode) return exportMaxSegments; return maxSegments; } int SolveSpaceUI::UnitDigitsAfterDecimal(void) { return (viewUnits == UNIT_INCHES) ? afterDecimalInch : afterDecimalMm; } void SolveSpaceUI::SetUnitDigitsAfterDecimal(int v) { if(viewUnits == UNIT_INCHES) { afterDecimalInch = v; } else { afterDecimalMm = v; } } double SolveSpaceUI::CameraTangent(void) { if(!usePerspectiveProj) { return 0; } else { return cameraTangent; } } void SolveSpaceUI::AfterNewFile(void) { // Clear out the traced point, which is no longer valid traced.point = Entity::NO_ENTITY; traced.path.l.Clear(); // and the naked edges nakedEdges.Clear(); // Quit export mode justExportedInfo.draw = false; exportMode = false; // GenerateAll() expects the view to be valid, because it uses that to // fill in default values for extrusion depths etc. (which won't matter // here, but just don't let it work on garbage) SS.GW.offset = Vector::From(0, 0, 0); SS.GW.projRight = Vector::From(1, 0, 0); SS.GW.projUp = Vector::From(0, 1, 0); GenerateAll(GENERATE_REGEN); TW.Init(); GW.Init(); unsaved = false; int w, h; GetGraphicsWindowSize(&w, &h); GW.width = w; GW.height = h; // The triangles haven't been generated yet, but zoom to fit the entities // roughly in the window, since that sets the mesh tolerance. Consider // invisible entities, so we still get something reasonable if the only // thing visible is the not-yet-generated surfaces. GW.ZoomToFit(true); GenerateAll(GENERATE_ALL); SS.ScheduleShowTW(); // Then zoom to fit again, to fit the triangles GW.ZoomToFit(false); // Create all the default styles; they'll get created on the fly anyways, // but can't hurt to do it now. Style::CreateAllDefaultStyles(); UpdateWindowTitle(); } void SolveSpaceUI::RemoveFromRecentList(const std::string &filename) { int src, dest; dest = 0; for(src = 0; src < MAX_RECENT; src++) { if(filename != RecentFile[src]) { if(src != dest) RecentFile[dest] = RecentFile[src]; dest++; } } while(dest < MAX_RECENT) RecentFile[dest++].clear(); RefreshRecentMenus(); } void SolveSpaceUI::AddToRecentList(const std::string &filename) { RemoveFromRecentList(filename); int src; for(src = MAX_RECENT - 2; src >= 0; src--) { RecentFile[src+1] = RecentFile[src]; } RecentFile[0] = filename; RefreshRecentMenus(); } bool SolveSpaceUI::GetFilenameAndSave(bool saveAs) { std::string prevSaveFile = saveFile; if(saveAs || saveFile.empty()) { if(!GetSaveFile(&saveFile, "", SlvsFileFilter)) return false; // need to get new filename directly into saveFile, since that // determines linkFileRel path } if(SaveToFile(saveFile)) { AddToRecentList(saveFile); RemoveAutosave(); unsaved = false; return true; } else { // don't store an invalid save filename saveFile = prevSaveFile; return false; } } bool SolveSpaceUI::Autosave() { SetAutosaveTimerFor(autosaveInterval); if(!saveFile.empty() && unsaved) return SaveToFile(saveFile + AUTOSAVE_SUFFIX); return false; } void SolveSpaceUI::RemoveAutosave() { std::string autosaveFile = saveFile + AUTOSAVE_SUFFIX; ssremove(autosaveFile); } bool SolveSpaceUI::OkayToStartNewFile(void) { if(!unsaved) return true; switch(SaveFileYesNoCancel()) { case DIALOG_YES: return GetFilenameAndSave(false); case DIALOG_NO: RemoveAutosave(); return true; case DIALOG_CANCEL: return false; default: oops(); break; } } void SolveSpaceUI::UpdateWindowTitle(void) { SetCurrentFilename(saveFile); } static std::string Extension(const std::string &filename) { int dot = filename.rfind('.'); if(dot >= 0) { std::string ext = filename.substr(dot + 1, filename.length()); std::transform(ext.begin(), ext.end(), ext.begin(), ::tolower); return ext; } return ""; } void SolveSpaceUI::MenuFile(int id) { if(id >= RECENT_OPEN && id < (RECENT_OPEN+MAX_RECENT)) { if(!SS.OkayToStartNewFile()) return; std::string newFile = RecentFile[id - RECENT_OPEN]; SS.OpenFile(newFile); return; } switch(id) { case GraphicsWindow::MNU_NEW: if(!SS.OkayToStartNewFile()) break; SS.saveFile = ""; SS.NewFile(); SS.AfterNewFile(); break; case GraphicsWindow::MNU_OPEN: { if(!SS.OkayToStartNewFile()) break; std::string newFile; if(GetOpenFile(&newFile, "", SlvsFileFilter)) { SS.OpenFile(newFile); } break; } case GraphicsWindow::MNU_SAVE: SS.GetFilenameAndSave(false); break; case GraphicsWindow::MNU_SAVE_AS: SS.GetFilenameAndSave(true); break; case GraphicsWindow::MNU_EXPORT_PNG: { std::string exportFile; if(!GetSaveFile(&exportFile, "", PngFileFilter)) break; SS.ExportAsPngTo(exportFile); break; } case GraphicsWindow::MNU_EXPORT_VIEW: { std::string exportFile; if(!GetSaveFile(&exportFile, CnfThawString("", "ViewExportFormat"), VectorFileFilter)) break; CnfFreezeString(Extension(exportFile), "ViewExportFormat"); // If the user is exporting something where it would be // inappropriate to include the constraints, then warn. if(SS.GW.showConstraints && (FilenameHasExtension(exportFile, ".txt") || fabs(SS.exportOffset) > LENGTH_EPS)) { Message("Constraints are currently shown, and will be exported " "in the toolpath. This is probably not what you want; " "hide them by clicking the link at the top of the " "text window."); } SS.ExportViewOrWireframeTo(exportFile, false); break; } case GraphicsWindow::MNU_EXPORT_WIREFRAME: { std::string exportFile; if(!GetSaveFile(&exportFile, CnfThawString("", "WireframeExportFormat"), Vector3dFileFilter)) break; CnfFreezeString(Extension(exportFile), "WireframeExportFormat"); SS.ExportViewOrWireframeTo(exportFile, true); break; } case GraphicsWindow::MNU_EXPORT_SECTION: { std::string exportFile; if(!GetSaveFile(&exportFile, CnfThawString("", "SectionExportFormat"), VectorFileFilter)) break; CnfFreezeString(Extension(exportFile), "SectionExportFormat"); SS.ExportSectionTo(exportFile); break; } case GraphicsWindow::MNU_EXPORT_MESH: { std::string exportFile; if(!GetSaveFile(&exportFile, CnfThawString("", "MeshExportFormat"), MeshFileFilter)) break; CnfFreezeString(Extension(exportFile), "MeshExportFormat"); SS.ExportMeshTo(exportFile); break; } case GraphicsWindow::MNU_EXPORT_SURFACES: { std::string exportFile; if(!GetSaveFile(&exportFile, CnfThawString("", "SurfacesExportFormat"), SurfaceFileFilter)) break; CnfFreezeString(Extension(exportFile), "SurfacesExportFormat"); StepFileWriter sfw = {}; sfw.ExportSurfacesTo(exportFile); break; } case GraphicsWindow::MNU_IMPORT: { std::string importFile; if(!GetOpenFile(&importFile, CnfThawString("", "ImportFormat"), ImportableFileFilter)) break; CnfFreezeString(Extension(importFile), "ImportFormat"); if(Extension(importFile) == "dxf") { ImportDxf(importFile); } else if(Extension(importFile) == "dwg") { ImportDwg(importFile); } else { Error("Can't identify file type from file extension of " "filename '%s'; try .dxf or .dwg.", importFile.c_str()); } SS.GenerateAll(SolveSpaceUI::GENERATE_UNTIL_ACTIVE); SS.ScheduleShowTW(); break; } case GraphicsWindow::MNU_EXIT: if(!SS.OkayToStartNewFile()) break; SS.Exit(); break; default: oops(); } SS.UpdateWindowTitle(); } void SolveSpaceUI::MenuAnalyze(int id) { SS.GW.GroupSelection(); #define gs (SS.GW.gs) switch(id) { case GraphicsWindow::MNU_STEP_DIM: if(gs.constraints == 1 && gs.n == 0) { Constraint *c = SK.GetConstraint(gs.constraint[0]); if(c->HasLabel() && !c->reference) { SS.TW.shown.dimFinish = c->valA; SS.TW.shown.dimSteps = 10; SS.TW.shown.dimIsDistance = (c->type != Constraint::ANGLE) && (c->type != Constraint::LENGTH_RATIO) && (c->type != Constraint::LENGTH_DIFFERENCE); SS.TW.shown.constraint = c->h; SS.TW.shown.screen = TextWindow::SCREEN_STEP_DIMENSION; // The step params are specified in the text window, // so force that to be shown. SS.GW.ForceTextWindowShown(); SS.ScheduleShowTW(); SS.GW.ClearSelection(); } else { Error("Constraint must have a label, and must not be " "a reference dimension."); } } else { Error("Bad selection for step dimension; select a constraint."); } break; case GraphicsWindow::MNU_NAKED_EDGES: { SS.nakedEdges.Clear(); Group *g = SK.GetGroup(SS.GW.activeGroup); SMesh *m = &(g->displayMesh); SKdNode *root = SKdNode::From(m); bool inters, leaks; root->MakeCertainEdgesInto(&(SS.nakedEdges), SKdNode::NAKED_OR_SELF_INTER_EDGES, true, &inters, &leaks); InvalidateGraphics(); const char *intersMsg = inters ? "The mesh is self-intersecting (NOT okay, invalid)." : "The mesh is not self-intersecting (okay, valid)."; const char *leaksMsg = leaks ? "The mesh has naked edges (NOT okay, invalid)." : "The mesh is watertight (okay, valid)."; std::string cntMsg = ssprintf("\n\nThe model contains %d triangles, from " "%d surfaces.", g->displayMesh.l.n, g->runningShell.surface.n); if(SS.nakedEdges.l.n == 0) { Message("%s\n\n%s\n\nZero problematic edges, good.%s", intersMsg, leaksMsg, cntMsg.c_str()); } else { Error("%s\n\n%s\n\n%d problematic edges, bad.%s", intersMsg, leaksMsg, SS.nakedEdges.l.n, cntMsg.c_str()); } break; } case GraphicsWindow::MNU_INTERFERENCE: { SS.nakedEdges.Clear(); SMesh *m = &(SK.GetGroup(SS.GW.activeGroup)->displayMesh); SKdNode *root = SKdNode::From(m); bool inters, leaks; root->MakeCertainEdgesInto(&(SS.nakedEdges), SKdNode::SELF_INTER_EDGES, false, &inters, &leaks); InvalidateGraphics(); if(inters) { Error("%d edges interfere with other triangles, bad.", SS.nakedEdges.l.n); } else { Message("The assembly does not interfere, good."); } break; } case GraphicsWindow::MNU_VOLUME: { SMesh *m = &(SK.GetGroup(SS.GW.activeGroup)->displayMesh); double vol = 0; int i; for(i = 0; i < m->l.n; i++) { STriangle tr = m->l.elem[i]; // Translate to place vertex A at (x, y, 0) Vector trans = Vector::From(tr.a.x, tr.a.y, 0); tr.a = (tr.a).Minus(trans); tr.b = (tr.b).Minus(trans); tr.c = (tr.c).Minus(trans); // Rotate to place vertex B on the y-axis. Depending on // whether the triangle is CW or CCW, C is either to the // right or to the left of the y-axis. This handles the // sign of our normal. Vector u = Vector::From(-tr.b.y, tr.b.x, 0); u = u.WithMagnitude(1); Vector v = Vector::From(tr.b.x, tr.b.y, 0); v = v.WithMagnitude(1); Vector n = Vector::From(0, 0, 1); tr.a = (tr.a).DotInToCsys(u, v, n); tr.b = (tr.b).DotInToCsys(u, v, n); tr.c = (tr.c).DotInToCsys(u, v, n); n = tr.Normal().WithMagnitude(1); // Triangles on edge don't contribute if(fabs(n.z) < LENGTH_EPS) continue; // The plane has equation p dot n = a dot n double d = (tr.a).Dot(n); // nx*x + ny*y + nz*z = d // nz*z = d - nx*x - ny*y double A = -n.x/n.z, B = -n.y/n.z, C = d/n.z; double mac = tr.c.y/tr.c.x, mbc = (tr.c.y - tr.b.y)/tr.c.x; double xc = tr.c.x, yb = tr.b.y; // I asked Maple for // int(int(A*x + B*y +C, y=mac*x..(mbc*x + yb)), x=0..xc); double integral = (1.0/3)*( A*(mbc-mac)+ (1.0/2)*B*(mbc*mbc-mac*mac) )*(xc*xc*xc)+ (1.0/2)*(A*yb+B*yb*mbc+C*(mbc-mac))*xc*xc+ C*yb*xc+ (1.0/2)*B*yb*yb*xc; vol += integral; } std::string msg = ssprintf("The volume of the solid model is:\n\n"" %.3f %s^3", vol / pow(SS.MmPerUnit(), 3), SS.UnitName()); if(SS.viewUnits == SolveSpaceUI::UNIT_MM) { msg += ssprintf("\n %.2f mL", vol/(10*10*10)); } msg += "\n\nCurved surfaces have been approximated as triangles.\n" "This introduces error, typically of around 1%."; Message("%s", msg.c_str()); break; } case GraphicsWindow::MNU_AREA: { Group *g = SK.GetGroup(SS.GW.activeGroup); if(g->polyError.how != Group::POLY_GOOD) { Error("This group does not contain a correctly-formed " "2d closed area. It is open, not coplanar, or self-" "intersecting."); break; } SEdgeList sel = {}; g->polyLoops.MakeEdgesInto(&sel); SPolygon sp = {}; sel.AssemblePolygon(&sp, NULL, true); sp.normal = sp.ComputeNormal(); sp.FixContourDirections(); double area = sp.SignedArea(); double scale = SS.MmPerUnit(); Message("The area of the region sketched in this group is:\n\n" " %.3f %s^2\n\n" "Curves have been approximated as piecewise linear.\n" "This introduces error, typically of around 1%%.", area / (scale*scale), SS.UnitName()); sel.Clear(); sp.Clear(); break; } case GraphicsWindow::MNU_SHOW_DOF: // This works like a normal solve, except that it calculates // which variables are free/bound at the same time. SS.GenerateAll(SolveSpaceUI::GENERATE_ALL, true); break; case GraphicsWindow::MNU_TRACE_PT: if(gs.points == 1 && gs.n == 1) { SS.traced.point = gs.point[0]; SS.GW.ClearSelection(); } else { Error("Bad selection for trace; select a single point."); } break; case GraphicsWindow::MNU_STOP_TRACING: { std::string exportFile; if(GetSaveFile(&exportFile, "", CsvFileFilter)) { FILE *f = ssfopen(exportFile, "wb"); if(f) { int i; SContour *sc = &(SS.traced.path); for(i = 0; i < sc->l.n; i++) { Vector p = sc->l.elem[i].p; double s = SS.exportScale; fprintf(f, "%.10f, %.10f, %.10f\r\n", p.x/s, p.y/s, p.z/s); } fclose(f); } else { Error("Couldn't write to '%s'", exportFile.c_str()); } } // Clear the trace, and stop tracing SS.traced.point = Entity::NO_ENTITY; SS.traced.path.l.Clear(); InvalidateGraphics(); break; } default: oops(); } } void SolveSpaceUI::MenuHelp(int id) { switch(id) { case GraphicsWindow::MNU_WEBSITE: OpenWebsite("http://solvespace.com/helpmenu"); break; case GraphicsWindow::MNU_ABOUT: Message( "This is SolveSpace version " PACKAGE_VERSION ".\n" "\n" "For more information, see http://solvespace.com/\n" "\n" "SolveSpace is free software: you are free to modify\n" "and/or redistribute it under the terms of the GNU\n" "General Public License (GPL) version 3 or later.\n" "\n" "There is NO WARRANTY, to the extent permitted by\n" "law. For details, visit http://gnu.org/licenses/\n" "\n" "© 2008-2016 Jonathan Westhues and other authors.\n" ); break; default: oops(); } } void SolveSpaceUI::Clear(void) { sys.Clear(); for(int i = 0; i < MAX_UNDO; i++) { if(i < undo.cnt) undo.d[i].Clear(); if(i < redo.cnt) redo.d[i].Clear(); } } void Sketch::Clear(void) { group.Clear(); groupOrder.Clear(); constraint.Clear(); request.Clear(); style.Clear(); entity.Clear(); param.Clear(); } BBox Sketch::CalculateEntityBBox(bool includingInvisible) { BBox box = {}; bool first = true; for(int i = 0; i < entity.n; i++) { Entity *e = (Entity *)&entity.elem[i]; if(!(e->IsVisible() || includingInvisible)) continue; Vector point; double r = 0.0; if(e->IsPoint()) { point = e->PointGetNum(); } else { switch(e->type) { case Entity::ARC_OF_CIRCLE: case Entity::CIRCLE: r = e->CircleGetRadiusNum(); point = GetEntity(e->point[0])->PointGetNum(); break; default: continue; } } if(first) { box.minp = point; box.maxp = point; box.Include(point, r); first = false; } else { box.Include(point, r); } } return box; } Group *Sketch::GetRunningMeshGroupFor(hGroup h) { Group *g = GetGroup(h); while(g != NULL) { if(g->IsMeshGroup()) { return g; } g = g->PreviousGroup(); } return NULL; } |
| You are visitor 01402520 — GeezerVison does not store the pages you look up. Best viewed with Netscape Navigator 4.7 or Internet Explorer 6 at 800×600. No cookies required. |