CRhinoCommand::result CCommandSampleTriangulatePolygon::RunCommand( const CRhinoCommandContext& context )
{
CRhinoGetObject go;
go.SetCommandPrompt( L"Select closed planar polygon to triangulate" );
go.SetGeometryFilter( CRhinoGetObject::curve_object );
go.SetGeometryFilter( CRhinoGetObject::closed_curve );
go.EnableSubObjectSelect( FALSE );
go.GetObjects( 1, 1 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
const CRhinoObjRef& ref = go.Object(0);
ON_3dPointArray vertices;
const ON_PolylineCurve* pc = ON_PolylineCurve::Cast( ref.Curve() );
if( pc )
{
vertices = pc->m_pline;
}
else
{
const ON_NurbsCurve* nc = ON_NurbsCurve::Cast( ref.Curve() );
if( nc )
nc->IsPolyline( &vertices );
}
if( vertices.Count() < 5 )
{
RhinoApp().Print( L"Curve not polygon with at least four sides.\n" );
return CRhinoCommand::nothing;
}
int* triangles = (int*)onmalloc( (vertices.Count()-3) * sizeof(int) * 3 );
if( 0 == triangles )
return CRhinoCommand::failure; // out of memory
memset( triangles, 0, (vertices.Count()-3) * sizeof(int) * 3 );
int rc = RhinoTriangulate3dPolygon( vertices.Count()-1, 3, (const double*)vertices.Array(), 3, triangles);
if( 0 == rc )
{
int i;
for( i = 0; i < vertices.Count()-3; i++ )
{
ON_Polyline pline;
pline.Append( vertices[triangles[i * 3]] );
pline.Append( vertices[triangles[i * 3 + 1]] );
pline.Append( vertices[triangles[i * 3 + 2]] );
pline.Append( pline[0] );
context.m_doc.AddCurveObject( pline );
}
context.m_doc.Redraw();
}
onfree( triangles );
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandSampleWindowPick::RunCommand( const CRhinoCommandContext& context )
{
CRhinoGetObject go;
go.SetCommandPrompt( L"Select point cloud" );
go.SetGeometryFilter( CRhinoGetObject::pointset_object );
go.EnableSubObjectSelect( false );
go.GetObjects( 1, 1 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
const CRhinoPointCloudObject* obj = CRhinoPointCloudObject::Cast( go.Object(0).Object() );
if( 0 == obj )
return CRhinoCommand::failure;
const ON_PointCloud& cloud = obj->PointCloud();
obj->Select( false );
context.m_doc.Redraw();
CRhinoGetPoint gp;
gp.SetCommandPrompt( L"Drag a window to select point cloud points" );
gp.ConstrainToTargetPlane();
gp.AcceptNothing();
gp.SetGetPointCursor( RhinoApp().m_default_cursor );
gp.Get2dRectangle();
if( gp.CommandResult() != CRhinoCommand::success )
return gp.CommandResult();
ON_SimpleArray<int> indices;
const int index_count = RhWindowsSelectPointCloudPoints( gp.View(), cloud, gp.Rectangle2d(), indices );
if( 0 == index_count )
return CRhinoCommand::nothing;
int i;
for( i = 0; i < index_count; i++ )
obj->SelectSubObject( ON_COMPONENT_INDEX(ON_COMPONENT_INDEX::pointcloud_point, indices[i]), true );
context.m_doc.Redraw();
CRhinoGetString gs;
gs.SetCommandPrompt( L"Press <Enter> to continue" );
gs.AcceptNothing();
gs.GetString();
for( i = 0; i < index_count; i++ )
obj->SelectSubObject( ON_COMPONENT_INDEX(ON_COMPONENT_INDEX::pointcloud_point, indices[i]), false );
context.m_doc.Redraw();
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandSampleRegionPick::RunCommand( const CRhinoCommandContext& context )
{
CRhinoGetObject go;
go.SetCommandPrompt( L"Select point cloud" );
go.SetGeometryFilter( CRhinoGetObject::pointset_object );
go.EnableSubObjectSelect( false );
go.GetObjects( 1, 1 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
const CRhinoPointCloudObject* obj = CRhinoPointCloudObject::Cast( go.Object(0).Object() );
if( 0 == obj )
return CRhinoCommand::failure;
const ON_PointCloud& cloud = obj->PointCloud();
obj->Select( false );
context.m_doc.Redraw();
CRhGetRegionPoints gp;
gp.SetCommandPrompt( L"Click and drag, or repeatedly click to lasso point cloud points. Press Enter when done" );
gp.AcceptNothing();
gp.SetGetPointCursor( RhinoApp().m_default_cursor );
gp.GetPoints();
if( gp.Result() == CRhinoGet::point )
return CRhinoCommand::cancel;
ON_SimpleArray<int> indices;
const int index_count = RhRegionSelectPointCloudPoints( gp.View(), cloud, gp.m_points, indices );
if( 0 == index_count )
return CRhinoCommand::nothing;
int i;
for( i = 0; i < index_count; i++ )
obj->SelectSubObject( ON_COMPONENT_INDEX(ON_COMPONENT_INDEX::pointcloud_point, indices[i]), true );
context.m_doc.Redraw();
CRhinoGetString gs;
gs.SetCommandPrompt( L"Press <Enter> to continue" );
gs.AcceptNothing();
gs.GetString();
for( i = 0; i < index_count; i++ )
obj->SelectSubObject( ON_COMPONENT_INDEX(ON_COMPONENT_INDEX::pointcloud_point, indices[i]), false );
context.m_doc.Redraw();
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandNewName::RunCommand( const CRhinoCommandContext& context )
{
// Select an object to modify
CRhinoGetObject go;
go.SetCommandPrompt( L"Select object to change name" );
go.EnablePreSelect( TRUE );
go.EnableSubObjectSelect( FALSE );
go.GetObjects( 1, 1 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
// Get the object reference
const CRhinoObjRef& objref = go.Object(0);
// Get the object
const CRhinoObject* obj = objref.Object();
if( !obj )
return CRhinoCommand::failure;
// Make copy of object attributes. This objects
// holds an object's user-defined name.
ON_3dmObjectAttributes obj_attribs = obj->Attributes();
// Prompt for new object name
CRhinoGetString gs;
gs.SetCommandPrompt( L"New object name" );
gs.SetDefaultString( obj_attribs.m_name );
gs.AcceptNothing( TRUE );
gs.GetString();
if( gs.CommandResult() != CRhinoCommand::success )
return gs.CommandResult();
// Get the string entered by the user
ON_wString obj_name = gs.String();
obj_name.TrimLeftAndRight();
// Is name the same?
if( obj_name.Compare(obj_attribs.m_name) == 0 )
return CRhinoCommand::nothing;
// Modify the attributes of the object
obj_attribs.m_name = obj_name;
context.m_doc.ModifyObjectAttributes( objref, obj_attribs );
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandSampleFindCrvsOnSrf::RunCommand( const CRhinoCommandContext& context )
{
CRhinoGetObject go;
go.SetCommandPrompt( L"Select surface" );
go.SetGeometryFilter( CRhinoGetObject::surface_object );
go.EnableSubObjectSelect( true );
go.GetObjects( 1, 1 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
const ON_BrepFace* face = go.Object(0).Face();
if( 0 == face )
return CRhinoCommand::failure;
ON_BoundingBox face_bbox = face->BoundingBox();
double tol = context.m_doc.AbsoluteTolerance();
bool bRedraw = false;
const CRhinoObject* obj = 0;
CRhinoObjectIterator it( CRhinoObjectIterator::normal_objects, CRhinoObjectIterator::active_and_reference_objects );
for( obj = it.First(); obj; obj = it.Next() )
{
const CRhinoCurveObject* crv_obj = CRhinoCurveObject::Cast( obj );
if( 0 == crv_obj )
continue;
ON_BoundingBox crv_bbox = crv_obj->BoundingBox();
if( !face_bbox.Includes(crv_bbox) )
continue;
if( !IsCurveOnFace(face, crv_obj->Curve(), tol) )
continue;
crv_obj->Select( true );
bRedraw = true;
}
if( bRedraw )
context.m_doc.Redraw();
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandSampleOrientOnCrv::SelectObjects( CRhinoXformObjectList& object_list )
{
object_list.Empty();
CRhinoGetObject get;
get.SetCommandPrompt( L"Select objects to orient" );
get.EnablePreSelect();
get.EnableSubObjectSelect( FALSE );
get.AcceptNothing();
get.GetObjects(1, 0);
CRhinoCommand::result rc = get.CommandResult();
if( rc == CRhinoCommand::success )
{
if( object_list.AddObjects( get ) < 1 )
rc = CRhinoCommand::failure;
}
return rc;
}
CRhinoCommand::result CCommandSamplePrePostSelect::RunCommand( const CRhinoCommandContext& context )
{
double dValue = m_dValue;
int nValue = m_nValue;
CRhinoGetObject go;
go.SetGeometryFilter( CRhinoGetObject::curve_object );
go.EnableGroupSelect( TRUE );
go.EnableSubObjectSelect( FALSE );
/*int d_option_index =*/ go.AddCommandOptionNumber(
RHCMDOPTNAME(L"Double"), &dValue, L"Double value", FALSE, 1.0, 99.9 );
/*int n_option_index =*/ go.AddCommandOptionInteger(
RHCMDOPTNAME(L"Integer"), &nValue, L"Integer value", 1, 99 );
bool bHavePreselectedObjects = false;
for( ;; )
{
CRhinoGet::result res = go.GetObjects( 1, 0 );
if( res == CRhinoGet::option )
{
go.EnablePreSelect( FALSE );
go.EnableAlreadySelectedObjectSelect( true );
go.EnableClearObjectsOnEntry( false );
go.EnableDeselectAllBeforePostSelect( false );
go.EnableUnselectObjectsOnExit( false );
continue;
}
else if( res != CRhinoGet::object )
return CRhinoCommand::cancel;
if( go.ObjectsWerePreSelected() )
{
bHavePreselectedObjects = true;
go.EnablePreSelect( FALSE );
go.EnableAlreadySelectedObjectSelect( true );
go.EnableClearObjectsOnEntry( false );
go.EnableDeselectAllBeforePostSelect( false );
go.EnableUnselectObjectsOnExit( false );
continue;
}
break;
}
if( bHavePreselectedObjects )
{
// Normally, pre-selected objects will remain selected, when a
// command finishes, and post-selected objects will be unselected.
// This this way of picking, it is possible to have a combination
// of pre-selected and post-selected. So, to make sure everything
// "looks the same", lets unselect everything before finishing
// the command.
for( int i = 0; i < go.ObjectCount(); i++ )
{
const CRhinoObject* object = go.Object(i).Object();
if( 0 != object )
object->Select( false );
}
context.m_doc.Redraw();
}
int object_count = go.ObjectCount();
m_dValue = dValue;
m_nValue = nValue;
RhinoApp().Print( L"Select object count = %d\n", object_count );
RhinoApp().Print( L"Value of double = %f\n", m_dValue );
RhinoApp().Print( L"Value of integer = %d\n", m_nValue );
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandSampleOrientOnSrf::RunCommand( const CRhinoCommandContext& context )
{
// Select objects to orient
CRhinoGetObject go;
go.SetCommandPrompt( L"Select objects to orient" );
go.EnableSubObjectSelect( FALSE );
go.EnableGroupSelect( TRUE );
go.GetObjects( 1, 0 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
// Point to orient from
CRhinoGetPoint gp;
gp.SetCommandPrompt( L"Point to orient from" );
gp.GetPoint();
if( gp.CommandResult() != CRhinoCommand::success )
return gp.CommandResult();
// Define source plane
CRhinoView* view = gp.View();
if( 0 == view )
{
view = RhinoApp().ActiveView();
if( 0 == view )
return CRhinoCommand::failure;
}
ON_Plane source_plane( view->Viewport().ConstructionPlane().m_plane );
source_plane.SetOrigin( gp.Point() );
// Surface to orient on
CRhinoGetObject gs;
gs.SetCommandPrompt( L"Surface to orient on" );
gs.SetGeometryFilter( CRhinoGetObject::surface_object );
gs.EnableSubObjectSelect( TRUE );
gs.EnableDeselectAllBeforePostSelect( false );
gs.EnableOneByOnePostSelect();
gs.GetObjects( 1, 1 );
if( gs.CommandResult() != CRhinoCommand::success )
return gs.CommandResult();
const CRhinoObjRef& ref = gs.Object(0);
// Get selected surface object
const CRhinoObject* obj = ref.Object();
if( 0 == obj )
return CRhinoCommand::failure;
// Get selected surface (face)
const ON_BrepFace* face = ref.Face();
if( 0 == face )
return CRhinoCommand::failure;
// Unselect surface
obj->Select( false );
// Point on surface to orient to
gp.SetCommandPrompt( L"Point on surface to orient to" );
gp.Constrain( *face );
gp.GetPoint();
if( gp.CommandResult() != CRhinoCommand::success )
return gp.CommandResult();
// Do transformation
CRhinoCommand::result rc = CRhinoCommand::failure;
double u = 0.0, v = 0.0;
if( face->GetClosestPoint(gp.Point(), &u, &v) )
{
ON_Plane target_plane;
if( face->FrameAt(u, v, target_plane) )
{
// If the face orientation is opposite
// of natural surface orientation, then
// flip the plane's zaxis.
if( face->m_bRev )
target_plane.CreateFromFrame(
target_plane.origin,
target_plane.xaxis,
-target_plane.zaxis
);
// Build transformation
ON_Xform xform;
xform.Rotation( source_plane, target_plane );
// Do the transformation. In this example,
// we will copy the original objects
bool bDeleteOriginal = false;
int i;
for( i = 0; i < go.ObjectCount(); i++ )
context.m_doc.TransformObject( go.Object(i), xform, bDeleteOriginal );
context.m_doc.Redraw();
rc = CRhinoCommand::success;
}
}
return rc;
}
CRhinoCommand::result CCommandSampleUnrollSurface::RunCommand( const CRhinoCommandContext& context )
{
CRhinoGetObject go;
go.SetCommandPrompt( L"Select surface or polysurface to unroll" );
go.SetGeometryFilter( CRhinoGetObject::surface_object | CRhinoGetObject::polysrf_object );
go.EnableSubObjectSelect( FALSE );
go.GetObjects( 1, 1 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
const CRhinoObject* pObject = go.Object(0).Object();
const ON_Brep* pBrep = go.Object(0).Brep();
if( 0 == pObject || 0 == pBrep )
return CRhinoCommand::failure;
bool bExplode = false;
ON_Brep* p3dBrep = 0;
int i, type = -1;
if(1 == pBrep->m_F.Count() )
{
p3dBrep = pBrep->DuplicateFace( 0, false );
type = 0;
}
else
{
p3dBrep = static_cast<ON_Brep*>( pBrep->Duplicate() );
type = 1;
}
if( 0 == p3dBrep )
return CRhinoCommand::failure;
p3dBrep->Compact();
for( i = 0; i < p3dBrep->m_F.Count(); i++ )
p3dBrep->RebuildEdges( p3dBrep->m_F[i], 0.00001, true, true );
p3dBrep->ShrinkSurfaces();
ReverseVReversedSurfaces( p3dBrep );
CRhinoUnroll Unroller( p3dBrep, context.m_doc.AbsoluteTolerance(), 0.1 );
int irc = Unroller.PrepareFaces();
if( 0 == irc )
{
bool ok = Unroller.FlattenFaces();
if( ok )
{
int flat_face_count = Unroller.CreateFlatBreps( bExplode, 2.0 );
if( flat_face_count )
{
ON_SimpleArray<ON_Brep*> flat_breps;
ON_ClassArray< ON_SimpleArray<ON_Curve*> > flat_curves;
ON_ClassArray< ON_SimpleArray<ON_3dPoint> > flat_points;
ON_ClassArray< ON_SimpleArray<ON_TextDot*> > flat_dots;
Unroller.CollectResults( flat_breps, flat_curves, flat_points, flat_dots );
if( !bExplode && flat_breps.Count() > 1 )
{
ON_Brep* pJoinedBrep = ON_Brep::New();
if( pJoinedBrep )
{
for( i = 0; i < flat_breps.Count(); i++ )
{
if( flat_breps[i] != 0 )
pJoinedBrep->Append( *flat_breps[i] );
}
int joins = RhinoJoinBrepNakedEdges( *pJoinedBrep );
flat_breps.Empty();
flat_breps.Append( pJoinedBrep );
}
}
CRhinoObjectAttributes att = pObject->Attributes();
att.m_uuid = ON_nil_uuid;
att.RemoveFromAllGroups();
for( i = 0; i < flat_breps.Count(); i++ )
{
CRhinoBrepObject* flat_obj = new CRhinoBrepObject( att );
flat_obj->SetBrep( flat_breps[i] );
if( !context.m_doc.AddObject(flat_obj) )
delete flat_obj; // Don't leak...
}
}
}
delete p3dBrep; // Don't leak...
}
context.m_doc.Redraw();
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandSampleRemovePoints::RunCommand( const CRhinoCommandContext& context )
{
CRhinoGetObject go;
go.SetCommandPrompt( L"Select point cloud" );
go.SetGeometryFilter( CRhinoGetObject::pointset_object );
go.EnableSubObjectSelect( false );
go.GetObjects( 1, 1 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
const CRhinoObjRef& obj_ref = go.Object(0);
const CRhinoPointCloudObject* obj = CRhinoPointCloudObject::Cast( obj_ref.Object() );
if( 0 == obj )
return CRhinoCommand::failure;
const ON_PointCloud& cloud = obj->PointCloud();
obj->Select( false );
context.m_doc.Redraw();
CRhGetRegionPoints gp;
gp.SetCommandPrompt( L"Click and drag, or repeatedly click to lasso point cloud points. Press Enter when done" );
gp.AcceptNothing();
gp.SetGetPointCursor( RhinoApp().m_default_cursor );
gp.GetPoints();
if( gp.Result() == CRhinoGet::point )
return CRhinoCommand::cancel;
ON_SimpleArray<int> indices;
const int index_count = RhRegionSelectPointCloudPoints( gp.View(), cloud, gp.m_points, indices );
if( 0 == index_count )
return CRhinoCommand::nothing;
indices.QuickSort( &ON_CompareIncreasing<int> );
const CRhinoObjectAttributes& atts = obj->Attributes();
bool bColors = cloud.HasPointColors();
bool bNormals = cloud.HasPointNormals();
ON_PointCloud new_cloud;
new_cloud.m_P.SetCapacity( index_count );
new_cloud.m_P.SetCount( index_count );
if( bColors )
{
new_cloud.m_C.SetCapacity( index_count );
new_cloud.m_C.SetCount( index_count );
}
if( bNormals )
{
new_cloud.m_N.SetCapacity( index_count );
new_cloud.m_N.SetCount( index_count );
}
ON_PointCloud dup_cloud( cloud );
dup_cloud.DestroyHiddenPointArray();
const int cloud_count = dup_cloud.PointCount();
int last_point_index = indices[indices.Count() - 1];
for( int i = cloud_count - 1; i >= 0; i-- )
{
if( i == last_point_index )
{
int last_array_index = indices.Count() - 1;
new_cloud.m_P[last_array_index] = dup_cloud.m_P[i];
if( bColors )
new_cloud.m_C[last_array_index] = dup_cloud.m_C[i];
if( bNormals )
new_cloud.m_N[last_array_index] = dup_cloud.m_N[i];
dup_cloud.m_P.Remove( i );
if( bColors )
dup_cloud.m_C.Remove( i );
if( bNormals )
dup_cloud.m_N.Remove( i );
indices.Remove( last_array_index );
if( 0 == indices.Count() )
break;
last_point_index = indices[indices.Count() - 1];
}
}
CRhinoPointCloudObject* new_cloud_obj = new CRhinoPointCloudObject( atts );
new_cloud_obj->SetPointCloud( new_cloud );
new_cloud.Destroy();
if( context.m_doc.AddObject(new_cloud_obj) )
{
new_cloud_obj->Select();
}
else
{
delete new_cloud_obj;
return CRhinoCommand::failure;
}
dup_cloud.m_P.Shrink();
if( bColors )
dup_cloud.m_C.Shrink();
if( bNormals )
dup_cloud.m_N.Shrink();
CRhinoPointCloudObject* dup_cloud_obj = new CRhinoPointCloudObject( atts );
dup_cloud_obj->SetPointCloud( dup_cloud );
if( !context.m_doc.ReplaceObject(obj_ref, dup_cloud_obj) )
delete dup_cloud_obj;
context.m_doc.Redraw();
return CRhinoCommand::success;
}
