ON_BOOL32
ON_Geometry::GetBoundingBox( // returns true if successful
ON_3dPoint& boxmin,
ON_3dPoint& boxmax,
ON_BOOL32 bGrowBox
) const
{
ON_Workspace ws;
const int dim = Dimension();
double *bmin, *bmax;
if ( dim <= 3 ) {
bmin = &boxmin.x;
bmax = &boxmax.x;
}
else {
bmin = ws.GetDoubleMemory(dim*2);
bmax = bmin+dim;
memset( bmin, 0, 2*dim*sizeof(*bmin) );
if ( bGrowBox ) {
bmin[0] = boxmin.x; bmin[1] = boxmin.y; bmin[1] = boxmin.z;
bmax[0] = boxmax.x; bmax[1] = boxmax.y; bmax[1] = boxmax.z;
}
}
// Treat invalid box on input as empty
bool invalid=false; //input box invalid=empty
if(bGrowBox)
invalid = boxmin.x>boxmax.x || boxmin.y>boxmax.y|| boxmin.z>boxmax.z;
if(bGrowBox && invalid)
bGrowBox=false;
const ON_BOOL32 rc = GetBBox( bmin, bmax, bGrowBox );
if ( dim > 3 ) {
boxmin.x = bmin[0]; boxmin.y = bmin[1]; boxmin.z = bmin[2];
boxmax.x = bmax[0]; boxmax.y = bmax[1]; boxmax.z = bmax[2];
}
else if ( dim <= 2 ) {
boxmin.z = 0.0;
boxmax.z = 0.0;
if ( dim <= 1 ) {
boxmin.y = 0.0;
boxmax.y = 0.0;
}
}
return rc;
}
static bool Dump3dmFileHelper(
const wchar_t* sFileName, // full name of file
ON_TextLog& dump
)
{
dump.Print("====== FILENAME: %ls\n",sFileName);
ON_Workspace ws;
FILE* fp = ws.OpenFile( sFileName, L"rb" ); // file automatically closed by ~ON_Workspace()
if ( !fp ) {
dump.Print("**ERROR** Unable to open file.\n");
return false;
}
ON_BinaryFile file( ON::read3dm, fp );
int version = 0;
ON_String comment_block;
ON_BOOL32 rc = file.Read3dmStartSection( &version, comment_block );
if (!rc) {
dump.Print("**ERROR** Read3dmStartSection() failed\n");
return false;
}
dump.Print("====== VERSION: %d\n",version );
dump.Print("====== COMMENT BLOCK:\n",version );
dump.PushIndent();
dump.Print(comment_block);
dump.PopIndent();
dump.Print("====== CHUNKS:\n",version );
unsigned int typecode;
while ( !file.AtEnd() ) {
typecode = file.Dump3dmChunk( dump, 0 );
if ( !typecode )
break;
if ( typecode == TCODE_ENDOFFILE )
break;
}
dump.Print("====== FINISHED: %ls\n",sFileName);
return true;
}
CRhinoCommand::result CCommandSampleCageEdit::RunCommand( const CRhinoCommandContext& context )
{
ON_Workspace ws;
CRhinoCommand::result rc = CRhinoCommand::success;
// Get the captive object
CRhinoGetObject go;
go.SetCommandPrompt( L"Select captive surface or polysurface" );
go.SetGeometryFilter( CRhinoGetObject::surface_object | CRhinoGetObject::polysrf_object );
go.GetObjects( 1, 1 );
rc = go.CommandResult();
if( CRhinoCommand::success != rc )
return rc;
const CRhinoObject* captive = go.Object(0).Object();
if( 0 == captive )
return CRhinoCommand::failure;
// Define the control line
ON_Line line;
CArgsRhinoGetLine args;
rc = RhinoGetLine( args, line );
if( CRhinoCommand::success != rc )
return rc;
// Get the curve parameters
int degree = 3;
int cv_count = 4;
for(;;)
{
CRhinoGetOption gl;
gl.SetCommandPrompt( L"NURBS Parameters" );
gl.AcceptNothing();
int d_opt = gl.AddCommandOptionInteger( RHCMDOPTNAME(L"Degree"), °ree, L"Curve degree", 1.0, 100.0 );
int p_opt = gl.AddCommandOptionInteger( RHCMDOPTNAME(L"PointCount"), &cv_count, L"Number of control points", 2.0, 100.0 );
gl.GetOption();
rc = gl.CommandResult();
if( CRhinoCommand::success != rc )
return rc;
if( CRhinoGet::nothing == gl.Result() )
break;
if( cv_count <= degree )
{
if( CRhinoGet::option != gl.Result() )
continue;
const CRhinoCommandOption* opt = go.Option();
if( 0 == opt )
continue;
if( d_opt == opt->m_option_index )
cv_count = degree + 1;
else
degree = cv_count - 1;
}
}
// Set up morph control
ON_MorphControl* control = new ON_MorphControl();
control->m_varient = 1; // 1= curve
// Specify the source line curve
control->m_nurbs_curve0.Create( 3, false, 2, 2 );
control->m_nurbs_curve0.MakeClampedUniformKnotVector();
control->m_nurbs_curve0.SetCV( 0, line.from );
control->m_nurbs_curve0.SetCV( 1, line.to );
// Specify the destination NURBS curve
control->m_nurbs_curve.Create( 3, false, degree + 1, cv_count );
control->m_nurbs_curve.MakeClampedUniformKnotVector();
double* g = ws.GetDoubleMemory( control->m_nurbs_curve.m_cv_count );
control->m_nurbs_curve.GetGrevilleAbcissae( g );
ON_Interval d = control->m_nurbs_curve.Domain();
double s = 0.0;
int i;
for( i = 0; i < control->m_nurbs_curve.m_cv_count; i++ )
{
s = d.NormalizedParameterAt( g[i] );
control->m_nurbs_curve.SetCV( i, line.PointAt(s) );
}
// Make sure domains match
s = line.Length();
if( s > ON_SQRT_EPSILON )
control->m_nurbs_curve0.SetDomain( 0.0, s );
d = control->m_nurbs_curve0.Domain();
control->m_nurbs_curve.SetDomain( d[0], d[1] );
// Create the morph control object
CRhinoMorphControl* control_object = new CRhinoMorphControl();
control_object->SetControl( control );
context.m_doc.AddObject( control_object );
// Set up the capture
RhinoCaptureObject( control_object, const_cast<CRhinoObject*>(captive) );
// Clean up display
context.m_doc.UnselectAll();
// Turn on the control grips
control_object->EnableGrips( true );
context.m_doc.Redraw( CRhinoView::mark_display_hint );
return rc;
}
bool ON_Matrix::Invert( double zero_tolerance )
{
ON_Workspace ws;
int i, j, k, ix, jx, rank;
double x;
const int n = MinCount();
if ( n < 1 )
return false;
ON_Matrix I(m_col_count, m_row_count);
int* col = ws.GetIntMemory(n);
I.SetDiagonal(1.0);
rank = 0;
double** this_m = ThisM();
for ( k = 0; k < n; k++ ) {
// find largest value in sub matrix
ix = jx = k;
x = fabs(this_m[ix][jx]);
for ( i = k; i < n; i++ ) {
for ( j = k; j < n; j++ ) {
if ( fabs(this_m[i][j]) > x ) {
ix = i;
jx = j;
x = fabs(this_m[ix][jx]);
}
}
}
SwapRows( k, ix );
I.SwapRows( k, ix );
SwapCols( k, jx );
col[k] = jx;
if ( x <= zero_tolerance ) {
break;
}
x = 1.0/this_m[k][k];
this_m[k][k] = 1.0;
ON_ArrayScale( m_col_count-k-1, x, &this_m[k][k+1], &this_m[k][k+1] );
I.RowScale( k, x );
// zero this_m[!=k][k]'s
for ( i = 0; i < n; i++ ) {
if ( i != k ) {
x = -this_m[i][k];
this_m[i][k] = 0.0;
if ( fabs(x) > zero_tolerance ) {
ON_Array_aA_plus_B( m_col_count-k-1, x, &this_m[k][k+1], &this_m[i][k+1], &this_m[i][k+1] );
I.RowOp( i, x, k );
}
}
}
}
// take care of column swaps
for ( i = k-1; i >= 0; i-- ) {
if ( i != col[i] )
I.SwapRows(i,col[i]);
}
*this = I;
return (k == n) ? true : false;
}
void ON_TextLog::PrintWrappedText( const wchar_t* s, int line_length )
{
ON_Workspace ws;
if ( s && *s && line_length > 0 ) {
const int max_line_length = line_length+255;
wchar_t* sLine = (wchar_t*)ws.GetMemory((max_line_length+1)*sizeof(*sLine));
const int wrap_length = line_length;
int i = 0;
int i1 = 0;
int isp = 0;
ON_BOOL32 bPrintLine = false;
while ( s[i] ) {
i1 = i;
if ( s[i] == 10 || s[i] == 13 ) {
// hard break at CR or LF
i++;
if ( s[i] == 10 && s[i-1] == 13 ) {
// it's a CR+LF hard end of line - skip LF too
i++;
}
bPrintLine = true;
}
else if ( i && s[i] == 32 ) {
if ( !isp ) {
isp = i++;
}
if ( i < wrap_length ) {
isp = i++;
}
else {
bPrintLine = true;
if ( isp ) {
i1 = i = isp;
while ( s[i] == 32 )
i++;
}
else {
i++;
}
}
}
else {
i++;
}
if ( bPrintLine ) {
if ( i1 >= max_line_length )
i1 = max_line_length-1;
if ( i1 > 0 ) {
wsncpy( sLine, s, i1 );
sLine[i1] = 0;
Print( "%S\n", sLine );
}
else {
Print("\n");
}
s += i;
i = i1 = isp = 0;
bPrintLine = false;
}
}
if ( s[0] ) {
Print( "%S", s );
}
}
}
void ON_InstanceDefinition::UpdateLinkedIdefReferenceFileLayerSettings( unsigned int layer_count, ON_Layer** layer_settings )
{
ON__IDefLayerSettingsUserData* ud;
if ( layer_count <= 0 || 0 == layer_settings )
{
// delete linked idef layer settings
ud = ON__IDefLayerSettingsUserData::FindOrCreate(*this,false);
if ( 0 != ud )
delete ud;
return;
}
// Create an index_map[] into the layer_settings[] array that is sorted
// by layer_settings[]->m_layer_id
ON_Workspace ws;
int* index_map = (int*)ws.GetMemory(layer_count*sizeof(index_map[0]));
ON_Sort(ON::quick_sort,index_map,layer_settings,layer_count,sizeof(layer_settings[0]),compareLayerPtrId);
// Use index_map[] to get a unique list of layers with valid ids
ON_UuidIndex* iddex = (ON_UuidIndex*)ws.GetMemory(layer_count*sizeof(iddex[0]));
unsigned int iddex_count = 0;
unsigned int i;
ON_Layer* layer;
for ( i = 0; i < layer_count; i++ )
{
layer = layer_settings[index_map[i]];
if ( 0 == layer )
continue;
layer->SaveSettings(0,false); // remove any saved settings on input layers
if ( ON_UuidIsNil(layer->m_layer_id) )
continue;
if ( iddex_count > 0 && iddex[iddex_count-1].m_id == layer->m_layer_id )
continue;
iddex[iddex_count].m_i = index_map[i];
iddex[iddex_count].m_id = layer->m_layer_id;
iddex_count++;
}
if ( iddex_count <= 0 )
{
// delete settings
UpdateLinkedIdefReferenceFileLayerSettings(0,0);
return;
}
// Create or get user data where the saved layer settings
// are stored.
ud = ON__IDefLayerSettingsUserData::FindOrCreate(*this,true);
if ( 0 == ud )
return;
// Go through the saved settings that were previously
// on this idef apply those settings to the layer_settings[]
// list. Then delete the information from ud->m_layers[].
ON_UuidIndex idx;
idx.m_i = 0;
unsigned int settings;
for ( i = 0; i < ud->m_layers.UnsignedCount(); i++ )
{
if ( 0 == ud->m_layers[i] )
continue;
layer = ud->m_layers[i];
ud->m_layers[i] = 0;
for(;;)
{
settings = layer->SavedSettings();
if ( 0 == settings )
break; // no settings were modified
idx.m_id = layer->m_layer_id;
const ON_UuidIndex* idx0 = (const ON_UuidIndex*)bsearch(&idx,iddex,iddex_count,sizeof(iddex[0]),compareUuidIndexId);
if ( 0 == idx0)
break; // this layer is not in the current layer_settings[] list
layer_settings[idx0->m_i]->SaveSettings(settings,false); // saves the layer settings found in linked file
layer_settings[idx0->m_i]->Set(settings,*layer); // applies modifications found on idef
break;
}
delete layer;
}
// Save a copy of this information on the user data
// so it will persist in the file containing the idef.
ud->m_layers.SetCount(0);
ud->m_layers.Reserve(iddex_count);
for ( i = 0; i < iddex_count; i++ )
{
layer = new ON_Layer( *layer_settings[iddex[i].m_i] );
ud->m_layers.Append(layer);
}
}
bool ON_BrepExtrude(
ON_Brep& brep,
const ON_Curve& path_curve,
bool bCap
)
{
ON_Workspace ws;
const int vcount0 = brep.m_V.Count();
const int tcount0 = brep.m_T.Count();
const int lcount0 = brep.m_L.Count();
const int ecount0 = brep.m_E.Count();
const int fcount0 = brep.m_F.Count();
const ON_3dPoint PathStart = path_curve.PointAtStart();
ON_3dPoint P = path_curve.PointAtEnd();
if ( !PathStart.IsValid() || !P.IsValid() )
return false;
const ON_3dVector height = P - PathStart;
if ( !height.IsValid() || height.Length() <= ON_ZERO_TOLERANCE )
return false;
ON_Xform tr;
tr.Translation(height);
// count number of new sides
int side_count = 0;
int i, vi, ei, fi;
bool* bSideEdge = (bool*)ws.GetIntMemory(ecount0*sizeof(bSideEdge[0]));
for ( ei = 0; ei < ecount0; ei++ )
{
const ON_BrepEdge& e = brep.m_E[ei];
if ( 1 == e.m_ti.Count() )
{
side_count++;
bSideEdge[ei] = true;
}
else
{
bSideEdge[ei] = false;
}
}
brep.m_V.Reserve( 2*vcount0 );
i = 4*side_count + (bCap?tcount0:0);
brep.m_T.Reserve( tcount0 + i );
brep.m_C2.Reserve( brep.m_C2.Count() + i );
brep.m_L.Reserve( lcount0 + side_count + (bCap?lcount0:0) );
i = side_count + (bCap?ecount0:side_count);
brep.m_E.Reserve( ecount0 + i );
brep.m_C3.Reserve( brep.m_C3.Count() + i );
i = side_count + (bCap?fcount0:0);
brep.m_F.Reserve( fcount0 + i );
brep.m_S.Reserve( brep.m_S.Count() + i );
bool bOK = true;
// build top vertices
int* topvimap = ws.GetIntMemory(vcount0);
memset(topvimap,0,vcount0*sizeof(topvimap[0]));
if ( bCap )
{
for ( vi = 0; vi < vcount0; vi++ )
{
const ON_BrepVertex& bottomv = brep.m_V[vi];
ON_BrepVertex& topv = brep.NewVertex(bottomv.point+height,bottomv.m_tolerance);
topvimap[vi] = topv.m_vertex_index;
}
}
else
{
for ( ei = 0; ei < ecount0; ei++ )
{
if ( bSideEdge[ei] )
{
const ON_BrepEdge& bottome = brep.m_E[ei];
int bottomvi0 = bottome.m_vi[0];
if ( bottomvi0 < 0 || bottomvi0 >= vcount0 )
{
bOK = false;
break;
}
int bottomvi1 = bottome.m_vi[1];
if ( bottomvi1 < 0 || bottomvi1 >= vcount0 )
{
bOK = false;
break;
}
if ( !topvimap[bottomvi0] )
{
const ON_BrepVertex& bottomv = brep.m_V[bottomvi0];
ON_BrepVertex& topv = brep.NewVertex(bottomv.point+height,bottomv.m_tolerance);
topvimap[bottomvi0] = topv.m_vertex_index;
}
if ( !topvimap[bottomvi1] )
{
const ON_BrepVertex& bottomv = brep.m_V[bottomvi1];
ON_BrepVertex& topv = brep.NewVertex(bottomv.point+height,bottomv.m_tolerance);
topvimap[bottomvi1] = topv.m_vertex_index;
}
}
}
}
// build top edges
int* topeimap = ws.GetIntMemory(ecount0);
memset(topeimap,0,ecount0*sizeof(topeimap[0]));
if ( bOK ) for ( ei = 0; ei < ecount0; ei++ )
{
if ( bCap || bSideEdge[ei] )
{
const ON_BrepEdge& bottome = brep.m_E[ei];
ON_BrepVertex& topv0 = brep.m_V[topvimap[bottome.m_vi[0]]];
ON_BrepVertex& topv1 = brep.m_V[topvimap[bottome.m_vi[1]]];
ON_Curve* c3 = bottome.DuplicateCurve();
if ( !c3 )
{
bOK = false;
break;
}
c3->Transform(tr);
int c3i = brep.AddEdgeCurve(c3);
ON_BrepEdge& tope = brep.NewEdge(topv0,topv1,c3i,0,bottome.m_tolerance);
topeimap[ei] = tope.m_edge_index;
}
}
// build side edges
int* sideveimap = ws.GetIntMemory(vcount0);
memset(sideveimap,0,vcount0*sizeof(sideveimap[0]));
if ( bOK ) for ( vi = 0; vi < vcount0; vi++ )
{
ON_BrepVertex& bottomv = brep.m_V[vi];
for ( int vei = 0; vei < bottomv.m_ei.Count(); vei++ )
{
if ( bSideEdge[bottomv.m_ei[vei]] && topvimap[vi] )
{
ON_BrepVertex& topv = brep.m_V[topvimap[vi]];
ON_Curve* c3 = path_curve.DuplicateCurve();
if ( !c3 )
{
bOK = false;
}
else
{
ON_3dVector D = bottomv.point - PathStart;
c3->Translate(D);
int c3i = brep.AddEdgeCurve(c3);
const ON_BrepEdge& e = brep.NewEdge(bottomv,topv,c3i,0,0.0);
sideveimap[vi] = e.m_edge_index;
}
break;
}
}
}
if ( bOK && bCap )
{
// build top faces
for (fi = 0; fi < fcount0; fi++ )
{
const ON_BrepFace& bottomf = brep.m_F[fi];
ON_Surface* srf = bottomf.DuplicateSurface();
if ( !srf )
{
bOK = false;
break;
}
srf->Transform(tr);
int si = brep.AddSurface(srf);
ON_BrepFace& topf = brep.NewFace(si);
topf.m_bRev = !bottomf.m_bRev;
const int loop_count = bottomf.m_li.Count();
topf.m_li.Reserve(loop_count);
for ( int fli = 0; fli < loop_count; fli++ )
{
const ON_BrepLoop& bottoml = brep.m_L[bottomf.m_li[fli]];
ON_BrepLoop& topl = brep.NewLoop(bottoml.m_type,topf);
const int loop_trim_count = bottoml.m_ti.Count();
topl.m_ti.Reserve(loop_trim_count);
for ( int lti = 0; lti < loop_trim_count; lti++ )
{
const ON_BrepTrim& bottomt = brep.m_T[bottoml.m_ti[lti]];
ON_NurbsCurve* c2 = ON_NurbsCurve::New();
if ( !bottomt.GetNurbForm(*c2) )
{
delete c2;
bOK = false;
break;
}
int c2i = brep.AddTrimCurve(c2);
ON_BrepTrim* topt = 0;
if ( bottomt.m_ei >= 0 )
{
ON_BrepEdge& tope = brep.m_E[topeimap[bottomt.m_ei]];
topt = &brep.NewTrim(tope,bottomt.m_bRev3d,topl,c2i);
}
else
{
// singular trim
ON_BrepVertex& topv = brep.m_V[topvimap[bottomt.m_vi[0]]];
topt = &brep.NewSingularTrim(topv,topl,bottomt.m_iso,c2i);
}
topt->m_tolerance[0] = bottomt.m_tolerance[0];
topt->m_tolerance[1] = bottomt.m_tolerance[1];
topt->m_pbox = bottomt.m_pbox;
topt->m_type = bottomt.m_type;
topt->m_iso = bottomt.m_iso;
}
topl.m_pbox = bottoml.m_pbox;
}
}
}
// build sides
int bRev3d[4] = {0,0,1,1};
int vid[4], eid[4];
if( bOK ) for ( ei = 0; ei < ecount0; ei++ )
{
if ( bSideEdge[ei] && topeimap[ei] )
{
ON_BrepEdge& bottome = brep.m_E[ei];
ON_BrepEdge& tope = brep.m_E[topeimap[ei]];
vid[0] = bottome.m_vi[0];
vid[1] = bottome.m_vi[1];
vid[2] = topvimap[vid[1]];
vid[3] = topvimap[vid[0]];
if ( sideveimap[vid[0]] && sideveimap[vid[1]] )
{
ON_BrepEdge& leftedge = brep.m_E[sideveimap[vid[0]]];
ON_BrepEdge& rightedge = brep.m_E[sideveimap[vid[1]]];
ON_Curve* cx = bottome.DuplicateCurve();
if ( !cx )
{
bOK = false;
break;
}
ON_Curve* cy = leftedge.DuplicateCurve();
if ( !cy )
{
delete cx;
bOK = false;
break;
}
ON_SumSurface* srf = new ON_SumSurface();
srf->m_curve[0] = cx;
srf->m_curve[1] = cy;
srf->m_basepoint = srf->m_curve[1]->PointAtStart();
srf->m_basepoint.x = -srf->m_basepoint.x;
srf->m_basepoint.y = -srf->m_basepoint.y;
srf->m_basepoint.z = -srf->m_basepoint.z;
eid[0] = bottome.m_edge_index;
eid[1] = rightedge.m_edge_index;
eid[2] = tope.m_edge_index;
eid[3] = leftedge.m_edge_index;
ON_BrepFace* face = brep.NewFace(srf,vid,eid,bRev3d);
if ( !face )
{
bOK = false;
break;
}
else if ( bottome.m_ti.Count() == 2 )
{
const ON_BrepTrim& trim0 = brep.m_T[bottome.m_ti[0]];
const ON_BrepTrim& trim1 = brep.m_T[bottome.m_ti[1]];
const ON_BrepLoop& loop0 = brep.m_L[trim0.m_li];
const ON_BrepLoop& loop1 = brep.m_L[trim1.m_li];
bool bBottomFaceRev = brep.m_F[(loop0.m_fi != face->m_face_index) ? loop0.m_fi : loop1.m_fi].m_bRev;
bool bSideFaceRev = ( trim0.m_bRev3d != trim1.m_bRev3d )
? bBottomFaceRev
: !bBottomFaceRev;
face->m_bRev = bSideFaceRev;
}
}
}
}
if ( !bOK )
{
for ( vi = brep.m_V.Count(); vi >= vcount0; vi-- )
{
brep.DeleteVertex(brep.m_V[vi]);
}
}
return bOK;
}
