public void init( Vec2 _v1, Vec2 _v2 )
{
v1 = _v1;
v2 = _v2;
origin = v1;
direction = v2 - v1;
distance = direction.normalize();
}
public bool extendToInfinite( Line2 other )
{
double[] constants = new double[ 2 ];
Vec2 result = new Vec2( 0, 0 );
if( intersectInfiniteInternal( other, ref result, ref constants ) == false )
return false;
if( constants[ 0 ] > 1 )
{
init( v1, result );
return true;
}
if( constants[ 0 ] < 0 )
{
init( result, v2 );
return true;
}
return false;
}
public void DrawArc( string strLayer, Vec2 vCentre, double dRadius, double dStartAngle, double dEndAngle )
{
//dEndAngle = 270;
try
{
double left = calcX( vCentre.x - dRadius );
double top = calcY( vCentre.y + dRadius );
double right = calcX( vCentre.x + dRadius );
double bottom = calcY( vCentre.y - dRadius );
RectangleF rect = new RectangleF( ( float )left, ( float )top, ( float )( right - left ), ( float )( bottom - top ) );
m_g.DrawArc( m_pens[ strLayer ], rect, -( float )dStartAngle, -( float )angleDiff( dStartAngle, dEndAngle ) );
}
catch( System.Exception e )
{
System.Diagnostics.Debug.WriteLine( "Exception: " + e.Message );
}
}
Vec2 interpolate( double factor, Vec2 a, Vec2 b )
{
return a + ( b - a ) * factor;
}
void DrawSaddle( Drawer d, Vec2 vIntonationPoint )
{
if( m_currentSaddlePrefab != null )
d.DrawPrefab( vIntonationPoint, m_currentSaddlePrefab );
}
public bool intersectInfinite( Line2 other, ref Vec2 result )
{
double[] constants = new double[ 2 ];
return intersectInfiniteInternal( other, ref result, ref constants );
}
public bool trimToInfinite( Line2 other, Vec2 sideToKeep )
{
// trim to or extend to another
double[] constants = new double[ 2 ];
Vec2 intersectionPoint = new Vec2( 0, 0 );
if( intersectInfiniteInternal( other, ref intersectionPoint, ref constants ) == false )
return false;
// extending to another
if( constants[ 0 ] > 1 )
{
init( v1, intersectionPoint );
return true;
}
if( constants[ 0 ] < 0 )
{
init( intersectionPoint, v2 );
return true;
}
// trimming to another
//print( "trimToInfinite gave constant of %.3f" % constants[ 0 ])
Vec2 deltaToV1 = v1 - intersectionPoint;
Vec2 deltaToV2 = v2 - intersectionPoint;
Vec2 deltaToSide = intersectionPoint;
if( deltaToV1.dot( sideToKeep ) > 0 )
{
init( v1, intersectionPoint );
//print( " trimmed back in the direction of v1" )
return true;
}
if( deltaToV2.dot( sideToKeep ) > 0 )
{
init( intersectionPoint, v2 );
//print( " trimmed back in the direction of v2" )
return true;
}
return false;
}
public Line2 perpendicular( Vec2 direction )
{
// return a normal vector from this line, generally pointing in the direction provided
Vec2 normal = new Vec2( -direction.y, direction.x );
double directionality = normal.dot( direction );
if( directionality >= 0 )
return new Line2( v1, v1 + normal * distance );
else
return new Line2( v1, v1 - normal * distance );
}
public void DrawCircle( string strLayer, Vec2 vCentre, double dRadius )
{
Circle c = new Circle( new Vector3d( vCentre.x, vCentre.y, 0 ), dRadius );
c.Layer = m_layers[ strLayer ];
m_dxf.AddEntity( c );
}
public void DrawArc( string strLayer, Vec2 vCentre, double dRadius, double dStartAngle, double dEndAngle )
{
Arc a = new Arc( new Vector3d( vCentre.x, vCentre.y, 0 ), dRadius, dStartAngle, dEndAngle );
a.Layer = m_layers[ strLayer ];
m_dxf.AddEntity( a );
}
public void Zoom( double dFactor, Vec2 vUIFocus )
{
// zoom so that the focus stays stationary
// so we need to scroll while we zoom, in effect
double dOldMSFocusX = uncalcX( vUIFocus.x );
double dOldMSFocusY = uncalcY( vUIFocus.y );
//m_vScroll.x += ( vUIFocus.x - m_rect.Width / 2 ) * m_fXScale;
m_dZoom *= dFactor;
if( m_dZoom < 0.000001 )
m_dZoom = 0.000001;
else if( m_dZoom > 100000 )
m_dZoom = 100000;
double dMSFocusX = uncalcX( vUIFocus.x );
double dMSFocusY = uncalcY( vUIFocus.y );
m_vScroll.x -= ( dOldMSFocusX - dMSFocusX );
m_vScroll.y += ( dOldMSFocusY - dMSFocusY );
}
public void Scroll( Vec2 vUIOffset )
{
m_vScroll.x += vUIOffset.x / ( m_fXScale * m_dZoom );
m_vScroll.y -= vUIOffset.y / ( m_fYScale * m_dZoom );
}
public void ResetView( Vec2 vCentre, double dZoom )
{
m_vScroll.x = -vCentre.x;
m_vScroll.y = vCentre.y;
m_dZoom = dZoom;
}
public void DrawEllipseArc( string strLayer, Vec2 majorAxisV1, Vec2 majorAxisV2, double minorAxisFactor, Vec2 vArcStart, Vec2 vArcEnd )
{
//RectangleF rect;
//rect.Left = Math.Min( majorAxisV1.x
//m_g.DrawArc( m_pens[ strLayer ]
}
public void DrawCircle( string strLayer, Vec2 vCentre, double dRadius )
{
try
{
double left = calcX( vCentre.x - dRadius );
double top = calcY( vCentre.y + dRadius );
double right = calcX( vCentre.x + dRadius );
double bottom = calcY( vCentre.y - dRadius );
RectangleF rect = new RectangleF( ( float )left, ( float )top, ( float )( right - left ), ( float )( bottom - top ) );
m_g.DrawEllipse( m_pens[ strLayer ], rect );
}
catch
{
}
}
public bool intersectSegment( Line2 other, ref Vec2 result )
{
double[] constants = new double[ 2 ];
if( intersectInfiniteInternal( other, ref result, ref constants ) == false )
return false;
if( constants[ 0 ] < 0 || constants[ 0 ] > 1 || constants[ 1 ] < 0 || constants[ 1 ] > 1 )
return false;
return true;
}
public Line2 offset( double distance, Vec2 direction )
{
// make a normal vector
Vec2 normal = new Vec2( -this.direction.y, this.direction.x );
// make sure its in the same direction as the direction hint vector
if( normal.dot( direction ) < 0.0 )
normal = normal * -1;
// now create an offset line
Vec2 offset = normal * distance;
return new Line2( v1 + offset, v2 + offset );
}
public void DrawEllipseArc( string strLayer, Vec2 majorAxisV1, Vec2 majorAxisV2, double minorAxisFactor, Vec2 vArcStart, Vec2 vArcEnd )
{
// Ellipse e = new Ellipse();
// e.Rotation
}
public Vec2 projection( Vec2 point )
{
// return the projection of point onto this line
// make a normal vector from the mirror line
Vec2 normal = new Vec2( -direction.y, direction.x );
double normalDist = ( point - v1 ).dot( normal );
return point - normal * normalDist;
}
public void DrawLine( string strLayer, Vec2 a, Vec2 b )
{
DrawLine( strLayer, a.x, a.y, b.x, b.y );
}
public Line2( Vec2 _v1, Vec2 _v2 )
{
init( new Vec2( _v1.x, _v1.y ), new Vec2( _v2.x, _v2.y ) );
}
public void DrawPrefab( Vec2 vPosition, DxfDocument prefab )
{
foreach( Line line in prefab.Lines )
DrawLine( line.Layer.Name, line.StartPoint.X + vPosition.x, line.StartPoint.Y + vPosition.y, line.EndPoint.X + vPosition.x, line.EndPoint.Y + vPosition.y );
foreach( Circle circle in prefab.Circles )
DrawCircle( circle.Layer.Name, new Vec2( circle.Center.X + vPosition.x, circle.Center.Y + vPosition.y ), circle.Radius );
foreach( Arc arc in prefab.Arcs )
DrawArc( arc.Layer.Name, new Vec2( arc.Center.X + vPosition.x, arc.Center.Y + vPosition.y ), arc.Radius, arc.StartAngle, arc.EndAngle );
}
private void m_drawingBox_MouseMove( object sender, MouseEventArgs e )
{
if( m_bMouseDown )
{
Vec2 vNewMousePos = new Vec2( e.X, e.Y );
Vec2 vDiff = vNewMousePos - m_vMouseMoveStart;
m_graphicsDrawer.SetUIRect( m_drawingBox.DisplayRectangle );
m_graphicsDrawer.Scroll( vDiff );
m_vMouseMoveStart = vNewMousePos;
m_drawingBox.Refresh();
}
}
public double angleBetween( Vec2 other )
{
return Math.Acos( dot( other ) );
}
//def __repr__( self ):
// return "v1" + repr( v1 ) + " v2" + repr( v2 ) + " origin" + repr( origin ) + " direction" + repr( direction ) + " distance %.5f" % distance
public bool intersectInfiniteInternal( Line2 other, ref Vec2 result, ref double[] constants )
{
double x1 = v1.x;
double y1 = v1.y;
double x2 = v2.x;
double y2 = v2.y;
double x3 = other.v1.x;
double y3 = other.v1.y;
double x4 = other.v2.x;
double y4 = other.v2.y;
double determinant = ( y4 - y3 ) * ( x2 - x1 ) - ( x4 - x3 ) * ( y2 - y1 );
if( determinant == 0 )
return false;
constants[ 0 ] = ( ( x4 - x3 ) * ( y1 - y3 ) - ( y4 - y3 ) * ( x1 - x3 ) ) / determinant;
constants[ 1 ] = ( ( x2 - x1 ) * ( y1 - y3 ) - ( y2 - y1 ) * ( x1 - x3 ) ) / determinant;
result.x = x1 + constants[ 0 ] * ( x2 - x1 );
result.y = y1 + constants[ 0 ] * ( y2 - y1 );
return true;
}
public double distanceTo( Vec2 other )
{
return ( other - this ).length();
}
void DrawSaddleScrew( Drawer d, Vec2 vIntonationPoint )
{
if( m_eSaddleStyle == SaddleStyles.Hardtail )
{
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y + 1.45 ), new Vec2( vIntonationPoint.x - 11.4, vIntonationPoint.y + 1.45 ) );
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y - 1.45 ), new Vec2( vIntonationPoint.x - 11.4, vIntonationPoint.y - 1.45 ) );
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 11.4, vIntonationPoint.y + 1.45 ), new Vec2( vIntonationPoint.x - 11.4, vIntonationPoint.y - 1.45 ) );
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y + 2.65 ), new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y - 2.65 ) );
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y + 2.65 ), new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y - 2.65 ) );
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 28.73, vIntonationPoint.y + 2.65 ), new Vec2( vIntonationPoint.x - 28.73, vIntonationPoint.y - 2.65 ) );
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y + 2.65 ), new Vec2( vIntonationPoint.x - 28.73, vIntonationPoint.y + 2.65 ) );
d.DrawLine( "SaddleScrews", new Vec2( vIntonationPoint.x - 27, vIntonationPoint.y - 2.65 ), new Vec2( vIntonationPoint.x - 28.73, vIntonationPoint.y - 2.65 ) );
}
}
public double dot( Vec2 other )
{
return x * other.x + y * other.y;
}
//---------------------------------------------------------------------
public void Draw( Drawer d )
{
d.AddLayer( "Scale", Color.FromArgb( 255, 255, 255, 255 ) );
d.AddLayer( "FretCentres", Color.FromArgb( 255, 0, 192, 192 ) );
d.AddLayer( "Fretwire", Color.FromArgb( 255, 192, 192, 192 ) );
d.AddLayer( "StringCenterLines", Color.FromArgb( 255, 255, 255, 255 ) );
d.AddLayer( "Strings", Color.FromArgb( 255, 255, 255, 255 ) );
d.AddLayer( "FretBoard", Color.FromArgb( 255, 255, 255, 255 ) );
d.AddLayer( "Saddles", Color.FromArgb( 255, 255, 255, 0 ) );
d.AddLayer( "SaddleScrews", Color.FromArgb( 255, 255, 192, 0 ) );
// find out what strings we need
double[] stringWidths = new double[ m_iStringCount ];
double[] stringCompensations = new double[ m_iStringCount ];
for( int i = 0; i < m_iStringCount; ++i )
{
double dResultantTension = 0;
StringInfo s = GetIdealString( i, ref dResultantTension );
stringWidths[ i ] = s.m_dDiameter * 25.4;
stringCompensations[ i ] = GetRequiredCompensation( i, m_dStringHeightAt12th );
}
RectangleF extents = RoughExtents;
double fMaxScale = Math.Max( m_fBassScaleLength, m_fTrebleScaleLength );
d.SetLimits( extents.Left, extents.Top, extents.Right, extents.Bottom );
// draw centreline & lines showing the scale points for the two scales
d.DrawLine( "Scale", -30, 0, fMaxScale + 30, 0 );
// d.DrawLine( "Scale", 0, TotalBridgeStringSpacing / 2 + 30, 0, -TotalBridgeStringSpacing / 2 - 30 );
// if( m_fBassScaleLength != m_fTrebleScaleLength )
// d.DrawLine( "Scale", scaleTrebleOffset, TotalBridgeStringSpacing / 2 + 30, scaleTrebleOffset, -TotalBridgeStringSpacing / 2 - 30 );
// find fret locations
Line2[] fretLines = new Line2[ m_iFretCount + 1 ];
for( int i = 0; i < m_iFretCount + 1; ++i )
{
fretLines[ i ] = GetFretLine( i );
}
/*
# do constant-spacing based string spacing, to take each string's thickness into account
#spacingLeft = TotalNutStringSpacing + stringWidths[ 0 ] / 2 + stringWidths[ stringCount - 1 ] / 2
#for i in range( stringCount ):
# spacingLeft -= stringWidths[ i ]
#spacingBetweenStrings = spacingLeft / ( stringCount - 1.0 )
#positionUpto = 0
#stringPositions = list()
#for i in range( stringCount ):
# stringPositions.append( positionUpto / TotalNutStringSpacing )
# print( "string %i nut position %.3f" % (i, positionUpto ))
# if( i != stringCount - 1 ):
# positionUpto += stringWidths[ i ] / 2
# positionUpto += spacingBetweenStrings
# positionUpto += stringWidths[ i + 1 ] / 2
*/
// properly figure out the fretboard outlines, taking into account zero fret, etc etc etc...
Line2 zeroFretLine = new Line2( fretLines[ 0 ] );
Line2 nutLineLeft;
if( !m_bZeroFret )
nutLineLeft = zeroFretLine;
else
nutLineLeft = zeroFretLine.offset( m_dZeroFretNutOffset, Vec2.right );
Line2 nutLineRight = nutLineLeft.offset( m_dNutWidth, Vec2.right );
Line2 fbEndLine = new Line2( fretLines[ m_iFretCount ] );
Line2 fret12Line = fretLines[ 12 ];
Vec2 bassLine0 = new Vec2( 0, 0 );
Vec2 bassLine12th = new Vec2( 0, 0 );
zeroFretLine.intersectInfinite( new Line2( 0, FretboardWidthAtNut / 2, 100, FretboardWidthAtNut / 2 ), ref bassLine0 );
fretLines[ 12 ].intersectInfinite( new Line2( 0, FretboardWidthAt12th / 2, 100, FretboardWidthAt12th / 2 ), ref bassLine12th );
Line2 fbBassLine = new Line2( bassLine0, bassLine12th ); //new Line2( //stringTopEdges[ 0 ].offset( edgeOfFretboardSpacing, Vec2.up );
Line2 fbTrebleLine = fbBassLine.mirror( new Line2( 0, 0, 1, 0 ) ); //stringBottomEdges[ m_iStringCount - 1 ].offset( edgeOfFretboardSpacing, Vec2.down );
fbEndLine.v1.x -= 8;
fbEndLine.v2.x -= 8;
nutLineLeft.trimToInfinite( fbBassLine, Vec2.down );
nutLineLeft.trimToInfinite( fbTrebleLine, Vec2.up );
nutLineRight.trimToInfinite( fbBassLine, Vec2.down );
nutLineRight.trimToInfinite( fbTrebleLine, Vec2.up );
fbEndLine.trimToInfinite( fbBassLine, Vec2.down );
fbEndLine.trimToInfinite( fbTrebleLine, Vec2.up );
fbBassLine.trimToInfinite( fbEndLine, Vec2.right );
fbBassLine.trimToInfinite( nutLineRight, Vec2.left );
fbTrebleLine.trimToInfinite( fbEndLine, Vec2.right );
fbTrebleLine.trimToInfinite( nutLineRight, Vec2.left );
// draw fretboard
d.DrawLine( "FretBoard", nutLineLeft );
d.DrawLine( "FretBoard", nutLineRight );
d.DrawLine( "FretBoard", fbEndLine );
d.DrawLine( "FretBoard", fbBassLine );
d.DrawLine( "FretBoard", fbEndLine );
d.DrawLine( "FretBoard", fbTrebleLine );
// draw frets
for( int i = 0; i <= m_iFretCount; ++i )
{
if( i == 0 && !m_bZeroFret )
continue;
Line2 fret = fretLines[ i ];
fret.extendToInfinite( fbBassLine );
fret.extendToInfinite( fbTrebleLine );
d.DrawLine( "FretCentres", fret );
// fretwire
Line2 fretRight = fret.offset( m_dFretwireWidth / 2, Vec2.right );
fretRight.trimToInfinite( fbBassLine, Vec2.down );
fretRight.trimToInfinite( fbTrebleLine, Vec2.up );
d.DrawLine( "Fretwire", fretRight );
Line2 fretLeft = fret.offset( m_dFretwireWidth / 2, Vec2.left );
fretLeft.trimToInfinite( fbBassLine, Vec2.down );
fretLeft.trimToInfinite( fbTrebleLine, Vec2.up );
d.DrawLine( "Fretwire", fretLeft );
// put a little ellipse at the end to make it purty
//d.DrawEllipseArc( "Fretwire", fretLeft.v2, fretRight.v2, 0.5, fretLeft.v2, fretRight.v2 );
}
// draw strings
Line2[] stringLines = new Line2[ m_iStringCount ];
Vec2[] saddleSpots = new Vec2[ m_iStringCount ];
double dMaxSaddleX = -10000000.0f;
double dMinSaddleX = 10000000.0f;
for( int i = 0; i < m_iStringCount; ++i )
{
stringLines[ i ] = GetStringLine( i );
stringLines[ i ].trimToInfinite( nutLineRight, Vec2.left );
// calculate the estimated string intonation point
saddleSpots[ i ] = stringLines[ i ].v1 + stringLines[ i ].direction * -stringCompensations[ i ];
saddleSpots[ i ].y = stringLines[ i ].v1.y;
dMaxSaddleX = Math.Max( dMaxSaddleX, saddleSpots[ i ].x );
dMinSaddleX = Math.Min( dMinSaddleX, saddleSpots[ i ].x );
// extend the string out to the saddle
Line2 saddleLine = new Line2( saddleSpots[ i ].x, saddleSpots[ i ].y + 5.0f, saddleSpots[ i ].x, saddleSpots[ i ].y - 5.0f );
stringLines[ i ].extendToInfinite( saddleLine );
Line2 topEdge = stringLines[ i ].offset( stringWidths[ i ] / 2.0, Vec2.up );
Line2 bottomEdge = stringLines[ i ].offset( stringWidths[ i ] / 2.0, Vec2.down );
topEdge.trimToInfinite( nutLineRight, Vec2.left );
bottomEdge.trimToInfinite( nutLineRight, Vec2.left );
d.DrawLine( "StringCenterLines", stringLines[ i ] );
d.DrawLine( "Strings", topEdge );
d.DrawLine( "Strings", bottomEdge );
//d.DrawLine( "Saddles", saddleLine );
}
// figure out where the saddle screw should go, based on its max adjustment
//double dMaxSaddleAdjustment = 8.5;
//double dAdjustmentRangeNeeded = dMaxSaddleX - dMinSaddleX;
// DrawSaddleScrew will draw at the centre of the adjustment, so figure out an X that keeps everything close to the middle range
// draw saddles & saddle screws
for( int i = 0; i < m_iStringCount; ++i )
{
DrawSaddle( d, saddleSpots[ i ] );
// draw min & max compensation points
Vec2 minSaddleSpot = GetStringLine( i ).v1 + GetStringLine( i ).direction * -GetRequiredCompensation( i, m_dMinStringHeightAt12th );
minSaddleSpot.y = saddleSpots[ i ].y;
Vec2 maxSaddleSpot = GetStringLine( i ).v1 + GetStringLine( i ).direction * -GetRequiredCompensation( i, m_dMaxStringHeightAt12th );
maxSaddleSpot.y = saddleSpots[ i ].y;
//DrawSaddle( d, minSaddleSpot );
//DrawSaddle( d, maxSaddleSpot );
if( m_fBassScaleLength == m_fTrebleScaleLength )
{
Vec2 screwSpot = new Vec2( saddleSpots[ i ].x, saddleSpots[ i ].y );
screwSpot.x = ( dMinSaddleX + dMaxSaddleX ) * 0.5;
DrawSaddleScrew( d, screwSpot );
}
else
{
DrawSaddleScrew( d, saddleSpots[ i ] );
}
}
d.AddLayer( "FretMarkers", Color.FromArgb( 255, 255, 255, 255 ) );
//d.DrawCircle( "FretMarkers", new Vec2( 0, 0 ), 4 );
DrawFretMarker( d, fretLines, 3 );
DrawFretMarker( d, fretLines, 5 );
DrawFretMarker( d, fretLines, 7 );
DrawFretMarker( d, fretLines, 9 );
DrawFretMarker( d, fretLines, 12, true );
DrawFretMarker( d, fretLines, 15 );
DrawFretMarker( d, fretLines, 17 );
DrawFretMarker( d, fretLines, 19 );
DrawFretMarker( d, fretLines, 21 );
DrawFretMarker( d, fretLines, 24, true );
// draw pickup positions
DrawPickup( d, m_bridgePickup );
DrawPickup( d, m_middlePickup );
DrawPickup( d, m_neckPickup );
/* # draw some comparison pickup positions
fStratNeckPos = 6.375 / 25.5
fStratMiddlePos = 3.875 / 25.5
fStratBridgePos = 1.625 / 25.5
fStratBridgeBassPos = 1.815 / 25.5
fStratBridgeTreblePos = 1.435 / 25.5
fJBNeckPos = 6 / 34.0
fJBBridgePos = 2.13 / 34.0
fPRSNeckPos = 148 / 635.0
fPRSBridgePos = 43 / 635.0
fNewNeckPos1 = interpolate( 1/3.0, fJBNeckPos, fPRSNeckPos )
fNewNeckPos2 = interpolate( 2/3.0, fJBNeckPos, fPRSNeckPos )
writeScalePos( f, fStratNeckPos, "StratPickups", bridgeStringLine, nutStringLine )
writeScalePos( f, fStratMiddlePos, "StratPickups", bridgeStringLine, nutStringLine )
writeAngledScalePos( f, fStratBridgeBassPos, fStratBridgeTreblePos, "StratPickups", bridgeStringLine, nutStringLine )
writeScalePos( f, fJBNeckPos, "JBPickups", bridgeStringLine, nutStringLine )
writeScalePos( f, fJBBridgePos, "JBPickups", bridgeStringLine, nutStringLine )
writeScalePos( f, fPRSNeckPos, "PRSPickups", bridgeStringLine, nutStringLine )
writeScalePos( f, fPRSBridgePos, "PRSPickups", bridgeStringLine, nutStringLine )
writeScalePos( f, fNewNeckPos1, "TristanPickups", bridgeStringLine, nutStringLine )
writeScalePos( f, fNewNeckPos2, "TristanPickups", bridgeStringLine, nutStringLine )
*/
}
public void DrawEllipseArc( string strLayer, Vec2 majorAxisV1, Vec2 majorAxisV2, double minorAxisFactor, Vec2 vArcStart, Vec2 vArcEnd )
{
Vec2 vCentre = ( majorAxisV1 + majorAxisV2 )*0.5;
Vec2 vMajorAxisEndpoint = majorAxisV2 - vCentre;
m_out.Write( " 0\nELLIPSE\n 5\n" + m_iEntityNumber.ToString( "X" ) + "\n300\n1F\n100\nAcDbEntity\n 8\n" );
m_out.Write( strLayer + "\n" );
m_out.Write( " 6\nBYBLOCK\n100\nAcDbEllipse\n" );
m_out.Write( " 10\n" + vCentre.x.ToString() + "\n 20\n" + vCentre.y.ToString() + "\n 30\n0.0\n" );
m_out.Write( " 11\n" + vMajorAxisEndpoint.x.ToString() + "\n 21\n" + vMajorAxisEndpoint.y.ToString() + "\n 31\n0.0\n" );
m_out.Write( "210\n0.0\n220\n0.0\n230\n1.0\n" );
m_out.Write( " 40\n" + minorAxisFactor.ToString() + "\n" );
double dArcStart = Math.PI;
double dArcEnd = 2*Math.PI;
m_out.Write( " 41\n" + dArcStart.ToString() + "\n 42\n" + dArcEnd.ToString() + "\n" );
m_iEntityNumber += 4;
}