void CBBOX::ApplyTransformationAA( glm::mat4 aTransformMatrix )
{
if( m_initialized == false )
return;
// apply the transformation matrix for each of vertices of the bounding box
// and make a union with all vertices
CBBOX tmpBBox = CBBOX( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_min.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_max.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_max.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_max.y, m_max.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_min.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_min.y, m_max.z, 1.0f ) ) );
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_max.z, 1.0f ) ) );
m_min = tmpBBox.m_min;
m_max = tmpBBox.m_max;
}
void EDA_3D_CANVAS::calcBBox()
{
BOARD* pcb = GetBoard();
m_fastAABBox.Reset();
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
CBBOX tmpFastAABBox;
// Compute the transformation matrix for this module based on translation, rotation and orientation.
float zpos = GetPrm3DVisu().GetModulesZcoord3DIU( module->IsFlipped() );
wxPoint pos = module->GetPosition();
glm::mat4 fullTransformMatrix;
fullTransformMatrix = glm::translate( glm::mat4(), S3D_VERTEX( (float)(pos.x * GetPrm3DVisu().m_BiuTo3Dunits),
(float)(-pos.y * GetPrm3DVisu().m_BiuTo3Dunits),
zpos ) );
if( module->GetOrientation() )
fullTransformMatrix = glm::rotate( fullTransformMatrix,
glm::radians( (float)(module->GetOrientation() / 10.0f) ),
S3D_VERTEX( 0.0f, 0.0f, 1.0f ) );
if( module->IsFlipped() )
{
fullTransformMatrix = glm::rotate( fullTransformMatrix, glm::radians( 180.0f ), S3D_VERTEX( 0.0f, 1.0f, 0.0f ) );
fullTransformMatrix = glm::rotate( fullTransformMatrix, glm::radians( 180.0f ), S3D_VERTEX( 0.0f, 0.0f, 1.0f ) );
}
// Compute a union bounding box for all the shapes of the model
S3D_MASTER* shape3D = module->Models();
for( ; shape3D; shape3D = shape3D->Next() )
{
if( shape3D->Is3DType( S3D_MASTER::FILE3D_VRML ) )
tmpFastAABBox.Union( shape3D->getFastAABBox() );
}
tmpFastAABBox.ApplyTransformationAA( fullTransformMatrix );
m_fastAABBox.Union( tmpFastAABBox );
}
// Create a board bounding box based on board size
wxSize brd_size = getBoardSize();
wxPoint brd_center_pos = getBoardCenter();
float xsize = brd_size.x;
float ysize = brd_size.y;
float scale = GetPrm3DVisu().m_BiuTo3Dunits;
float xmin = (brd_center_pos.x - xsize / 2.0) * scale;
float xmax = (brd_center_pos.x + xsize / 2.0) * scale;
float ymin = (brd_center_pos.y - ysize / 2.0) * scale;
float ymax = (brd_center_pos.y + ysize / 2.0) * scale;
float zmin = GetPrm3DVisu().GetLayerZcoordBIU( B_Adhes ) * scale;
float zmax = GetPrm3DVisu().GetLayerZcoordBIU( F_Adhes ) * scale;
m_boardAABBox = CBBOX( S3D_VERTEX(xmin, ymin, zmin),
S3D_VERTEX(xmax, ymax, zmax) );
// Add BB board with BB models and scale it a bit
m_fastAABBox.Union( m_boardAABBox );
m_fastAABBox_Shadow = m_fastAABBox;
m_fastAABBox_Shadow.Scale( SHADOW_BOUNDING_BOX_SCALE );
}
void CINFO3D_VISU::InitSettings( REPORTER *aStatusTextReporter )
{
wxLogTrace( m_logTrace, wxT( "CINFO3D_VISU::InitSettings" ) );
// Calculates the board bounding box
// First, use only the board outlines
EDA_RECT bbbox = m_board->ComputeBoundingBox( true );
// If no outlines, use the board with items
if( ( bbbox.GetWidth() == 0 ) && ( bbbox.GetHeight() == 0 ) )
bbbox = m_board->ComputeBoundingBox( false );
// Gives a non null size to avoid issues in zoom / scale calculations
if( ( bbbox.GetWidth() == 0 ) && ( bbbox.GetHeight() == 0 ) )
bbbox.Inflate( Millimeter2iu( 10 ) );
m_boardSize = bbbox.GetSize();
m_boardPos = bbbox.Centre();
wxASSERT( (m_boardSize.x > 0) && (m_boardSize.y > 0) );
m_boardPos.y = -m_boardPos.y; // The y coord is inverted in 3D viewer
m_copperLayersCount = m_board->GetCopperLayerCount();
// Ensure the board has 2 sides for 3D views, because it is hard to find
// a *really* single side board in the true life...
if( m_copperLayersCount < 2 )
m_copperLayersCount = 2;
// Calculate the convertion to apply to all positions.
m_biuTo3Dunits = RANGE_SCALE_3D / std::max( m_boardSize.x, m_boardSize.y );
// Calculate factors for cicle segment approximation
m_calc_seg_min_factor3DU = (float)( SEG_MIN_FACTOR_BIU * m_biuTo3Dunits );
m_calc_seg_max_factor3DU = (float)( SEG_MAX_FACTOR_BIU * m_biuTo3Dunits );
m_epoxyThickness3DU = m_board->GetDesignSettings().GetBoardThickness() *
m_biuTo3Dunits;
// !TODO: use value defined by user (currently use default values by ctor
m_copperThickness3DU = COPPER_THICKNESS * m_biuTo3Dunits;
m_nonCopperLayerThickness3DU = TECH_LAYER_THICKNESS * m_biuTo3Dunits;
// Init Z position of each layer
// calculate z position for each copper layer
// Zstart = -m_epoxyThickness / 2.0 is the z position of the back (bottom layer) (layer id = 31)
// Zstart = +m_epoxyThickness / 2.0 is the z position of the front (top layer) (layer id = 0)
// all unused copper layer z position are set to 0
// ____==__________==________==______ <- Bottom = +m_epoxyThickness / 2.0,
// | | Top = Bottom + m_copperThickness
// |__________________________________|
// == == == == <- Bottom = -m_epoxyThickness / 2.0,
// Top = Bottom - m_copperThickness
unsigned int layer;
for( layer = 0; layer < m_copperLayersCount; ++layer )
{
m_layerZcoordBottom[layer] = m_epoxyThickness3DU / 2.0f -
(m_epoxyThickness3DU * layer / (m_copperLayersCount - 1) );
if( layer < (m_copperLayersCount / 2) )
m_layerZcoordTop[layer] = m_layerZcoordBottom[layer] + m_copperThickness3DU;
else
m_layerZcoordTop[layer] = m_layerZcoordBottom[layer] - m_copperThickness3DU;
}
#define layerThicknessMargin 1.1
const float zpos_offset = m_nonCopperLayerThickness3DU * layerThicknessMargin;
// Fill remaining unused copper layers and back layer zpos
// with -m_epoxyThickness / 2.0
for( ; layer < MAX_CU_LAYERS; layer++ )
{
m_layerZcoordBottom[layer] = -(m_epoxyThickness3DU / 2.0f);
m_layerZcoordTop[layer] = -(m_epoxyThickness3DU / 2.0f) - m_copperThickness3DU;
}
// This is the top of the copper layer thickness.
const float zpos_copperTop_back = m_layerZcoordTop[B_Cu];
const float zpos_copperTop_front = m_layerZcoordTop[F_Cu];
// calculate z position for each non copper layer
// Solder mask and Solder paste have the same Z position
for( int layer_id = MAX_CU_LAYERS; layer_id < LAYER_ID_COUNT; ++layer_id )
{
float zposTop;
float zposBottom;
switch( layer_id )
{
case B_Adhes:
zposBottom = zpos_copperTop_back - 2.0f * zpos_offset;
zposTop = zposBottom - m_nonCopperLayerThickness3DU;
break;
case F_Adhes:
zposBottom = zpos_copperTop_front + 2.0f * zpos_offset;
zposTop = zposBottom + m_nonCopperLayerThickness3DU;
break;
case B_Mask:
case B_Paste:
zposBottom = zpos_copperTop_back;
zposTop = zpos_copperTop_back - m_nonCopperLayerThickness3DU;
break;
case F_Mask:
case F_Paste:
zposTop = zpos_copperTop_front + m_nonCopperLayerThickness3DU;
zposBottom = zpos_copperTop_front;
break;
case B_SilkS:
zposBottom = zpos_copperTop_back - 1.0f * zpos_offset;
zposTop = zposBottom - m_nonCopperLayerThickness3DU;
break;
case F_SilkS:
zposBottom = zpos_copperTop_front + 1.0f * zpos_offset;
zposTop = zposBottom + m_nonCopperLayerThickness3DU;
break;
// !TODO: review
default:
zposTop = zpos_copperTop_front + (layer_id - MAX_CU_LAYERS + 3.0f) * zpos_offset;
zposBottom = zposTop - m_nonCopperLayerThickness3DU;
break;
}
m_layerZcoordTop[layer_id] = zposTop;
m_layerZcoordBottom[layer_id] = zposBottom;
}
m_boardCenter = SFVEC3F( m_boardPos.x * m_biuTo3Dunits,
m_boardPos.y * m_biuTo3Dunits,
0.0f );
SFVEC3F boardSize = SFVEC3F( m_boardSize.x * m_biuTo3Dunits,
m_boardSize.y * m_biuTo3Dunits,
0.0f );
boardSize /= 2.0f;
SFVEC3F boardMin = (m_boardCenter - boardSize);
SFVEC3F boardMax = (m_boardCenter + boardSize);
boardMin.z = m_layerZcoordTop[B_Adhes];
boardMax.z = m_layerZcoordTop[F_Adhes];
m_boardBoudingBox = CBBOX( boardMin, boardMax );
#ifdef PRINT_STATISTICS_3D_VIEWER
unsigned stats_startCreateBoardPolyTime = GetRunningMicroSecs();
#endif
if( aStatusTextReporter )
aStatusTextReporter->Report( _( "Build board body" ) );
createBoardPolygon();
#ifdef PRINT_STATISTICS_3D_VIEWER
unsigned stats_stopCreateBoardPolyTime = GetRunningMicroSecs();
unsigned stats_startCreateLayersTime = stats_stopCreateBoardPolyTime;
#endif
if( aStatusTextReporter )
aStatusTextReporter->Report( _( "Create layers" ) );
createLayers( aStatusTextReporter );
#ifdef PRINT_STATISTICS_3D_VIEWER
unsigned stats_stopCreateLayersTime = GetRunningMicroSecs();
printf( "CINFO3D_VISU::InitSettings times\n" );
printf( " CreateBoardPoly: %.3f ms\n",
(float)( stats_stopCreateBoardPolyTime - stats_startCreateBoardPolyTime ) / 1e3 );
printf( " CreateLayers and holes: %.3f ms\n",
(float)( stats_stopCreateLayersTime - stats_startCreateLayersTime ) / 1e3 );
printf( "\n" );
#endif
}
