private Model3D CreateModel()
{
bool isCylindarMode = CylindarMode && ExpendedBrush != null && (SlideDirection == CooridinateDirection.ZN || SlideDirection == CooridinateDirection.ZP);
bool isIntersectionmode = IntersectionMode && SectionBrush != null;
bool isIntersectedCylindarMode = isCylindarMode && isIntersectionmode;
var plotModel = new Model3DGroup();
var axesMeshBuilder = new MeshBuilder();
_realRect3D = GetSampleImageBox();
axesMeshBuilder.AddBoundingBox(_realRect3D, 0.01);
plotModel.Children.Add(new GeometryModel3D(axesMeshBuilder.ToMesh(), Materials.Yellow));
var flipTransform = new ScaleTransform(1, -1, 0.5, 0.5);
var znBrush = ZNBrush?.Clone();
var zpBrush = ZPBrush?.Clone();
if (zpBrush != null)
{
zpBrush.Transform = flipTransform;
}
var ynBrush = YNBrush?.Clone();
var ypBrush = YPBrush?.Clone();
if (ypBrush != null)
{
ypBrush.Transform = flipTransform;
}
var xnBrush = XNBrush?.Clone();
var xpBrush = XPBrush?.Clone();
if (xpBrush != null)
{
xpBrush.Transform = flipTransform;
}
var expBrush = ExpendedBrush?.Clone();
Rect3D rectDraw = _realRect3D;
if (isIntersectionmode)
{
switch (SlideDirection)
{
case CooridinateDirection.XP:
{
rectDraw.SizeX = SectionPosition;
xpBrush = SectionBrush.Clone();
xpBrush.Transform = flipTransform;
double c = SectionPosition / _realRect3D.SizeX;
ynBrush.Viewbox = new Rect(0, 0, 1, c);
ypBrush.Viewbox = new Rect(0, 0, 1, c);
znBrush.Viewbox = new Rect(0, 0, c, 1);
zpBrush.Viewbox = new Rect(0, 0, c, 1);
}
break;
case CooridinateDirection.XN:
{
rectDraw.X = SectionPosition;
rectDraw.SizeX -= rectDraw.X;
xnBrush = SectionBrush.Clone();
double c = SectionPosition / _realRect3D.SizeX;
ynBrush.Viewbox = new Rect(0, c, 1, 1 - c);
ypBrush.Viewbox = new Rect(0, c, 1, 1 - c);
znBrush.Viewbox = new Rect(c, 0, 1 - c, 1);
zpBrush.Viewbox = new Rect(c, 0, 1 - c, 1);
}
break;
case CooridinateDirection.YP:
{
rectDraw.SizeY = SectionPosition;
ypBrush = SectionBrush.Clone();
ypBrush.Transform = flipTransform;
double c = SectionPosition / _realRect3D.SizeY;
xnBrush.Viewbox = new Rect(0, 0, c, 1);
xpBrush.Viewbox = new Rect(0, 0, c, 1);
znBrush.Viewbox = new Rect(0, 0, 1, c);
zpBrush.Viewbox = new Rect(0, 0, 1, c);
}
break;
case CooridinateDirection.YN:
{
rectDraw.Y = SectionPosition;
rectDraw.SizeY -= rectDraw.Y;
ynBrush = SectionBrush.Clone();
double c = SectionPosition / _realRect3D.SizeY;
xnBrush.Viewbox = new Rect(c, 0, 1 - c, 1);
xpBrush.Viewbox = new Rect(c, 0, 1 - c, 1);
znBrush.Viewbox = new Rect(0, c, 1, 1 - c);
zpBrush.Viewbox = new Rect(0, c, 1, 1 - c);
}
break;
case CooridinateDirection.ZP:
{
rectDraw.SizeZ = SectionPosition;
zpBrush = SectionBrush.Clone();
zpBrush.Transform = flipTransform;
double c = SectionPosition / _realRect3D.SizeZ;
ynBrush.Viewbox = new Rect(0, 0, c, 1);
ypBrush.Viewbox = new Rect(0, 0, c, 1);
xnBrush.Viewbox = new Rect(0, 0, 1, c);
xpBrush.Viewbox = new Rect(0, 0, 1, c);
expBrush.Viewbox = new Rect(0, 0, 1, c);
}
break;
case CooridinateDirection.ZN:
{
rectDraw.Z = SectionPosition;
rectDraw.SizeZ -= rectDraw.Z;
znBrush = SectionBrush.Clone();
double c = SectionPosition / _realRect3D.SizeZ;
ynBrush.Viewbox = new Rect(c, 0, 1 - c, 1);
ypBrush.Viewbox = new Rect(c, 0, 1 - c, 1);
xnBrush.Viewbox = new Rect(0, c, 1, 1 - c);
xpBrush.Viewbox = new Rect(0, c, 1, 1 - c);
expBrush.Viewbox = new Rect(0, c, 1, 1 - c);
}
break;
default:
break;
}
}
MeshBuilder mb = null;
if (!isCylindarMode)
{
// draw faces in z directions
mb = new MeshBuilder();
mb.AddRectangularMesh(
new[] {
new Point3D(rectDraw.X,rectDraw.Y,rectDraw.Z), //0，0，0
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y,rectDraw.Z), //1，0，0
new Point3D(rectDraw.X,rectDraw.Y+rectDraw.SizeY,rectDraw.Z), //0，1，0
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y+rectDraw.SizeY,rectDraw.Z) //1，1，0
}, 2);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(znBrush)));
mb = new MeshBuilder(); mb.AddRectangularMesh(
new[] {
new Point3D(rectDraw.X,rectDraw.Y+rectDraw.SizeY,rectDraw.Z+rectDraw.SizeZ), // 0，1，1
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y+rectDraw.SizeY,rectDraw.Z+rectDraw.SizeZ), // 1，1，1
new Point3D(rectDraw.X,rectDraw.Y,rectDraw.Z+rectDraw.SizeZ), // 0，0，1
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y,rectDraw.Z+rectDraw.SizeZ) // 1，0，1
}
, 2);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(zpBrush)));
// draw faces in y directions
mb = new MeshBuilder();
mb.AddRectangularMesh(
new[] {
new Point3D(rectDraw.X,rectDraw.Y,rectDraw.Z),
new Point3D(rectDraw.X,rectDraw.Y,rectDraw.Z+rectDraw.SizeZ),
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y,rectDraw.Z),
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y,rectDraw.Z+rectDraw.SizeZ)
}, 2);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(ynBrush)));
mb = new MeshBuilder(); mb.AddRectangularMesh(
new[] {
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y+rectDraw.SizeY,rectDraw.Z),
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y+rectDraw.SizeY,rectDraw.Z+rectDraw.SizeZ),
new Point3D(rectDraw.X,rectDraw.Y+rectDraw.SizeY,rectDraw.Z),
new Point3D(rectDraw.X,rectDraw.Y+rectDraw.SizeY,rectDraw.Z+rectDraw.SizeZ)
}, 2);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(ypBrush)));
// draw faces in x directions
mb = new MeshBuilder();
mb.AddRectangularMesh(
new[] {
new Point3D(rectDraw.X,rectDraw.Y,rectDraw.Z),
new Point3D(rectDraw.X,rectDraw.Y+rectDraw.SizeY,rectDraw.Z),
new Point3D(rectDraw.X,rectDraw.Y,rectDraw.Z+rectDraw.SizeZ),
new Point3D(rectDraw.X,rectDraw.Y+rectDraw.SizeY,rectDraw.Z+rectDraw.SizeZ)
}, 2);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(xnBrush)));
mb = new MeshBuilder(); mb.AddRectangularMesh(
new[] {
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y,rectDraw.Z+rectDraw.SizeZ),
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y+rectDraw.SizeY,rectDraw.Z+rectDraw.SizeZ),
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y,rectDraw.Z),
new Point3D(rectDraw.X+rectDraw.SizeX,rectDraw.Y+rectDraw.SizeY,rectDraw.Z)
}, 2);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(xpBrush)));
}
if (isCylindarMode)
{
int div = 121;
mb = new MeshBuilder();
double s = Math.Min(_realRect3D.SizeX, _realRect3D.SizeY);
double shiftx = (_realRect3D.SizeX - s) / 2;
double shifty = (_realRect3D.SizeY - s) / 2;
var startCentre = new Point3D(Centre.X * s + shiftx, Centre.Y * s + shifty, rectDraw.Z);
var endCentre = new Point3D(Centre.X * s + shiftx, Centre.Y * s + shifty, rectDraw.Z + rectDraw.SizeZ);
double r = Radius * s;
mb.AddCylindarZ(startCentre, r, rectDraw.SizeZ, div);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(expBrush)));
mb = new MeshBuilder();
mb.AddCircleInZCross(startCentre, r, div, false);
znBrush.Viewbox = new Rect((startCentre.X - r) / _realRect3D.SizeX, (startCentre.Y - r) / _realRect3D.SizeY, (2 * r) / _realRect3D.SizeX, (2 * r) / _realRect3D.SizeY);
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(znBrush)));
mb = new MeshBuilder();
mb.AddCircleInZCross(endCentre, r, div, true);
zpBrush.Viewbox = new Rect((startCentre.X - r) / _realRect3D.SizeX, (startCentre.Y - r) / _realRect3D.SizeY, (2 * r) / _realRect3D.SizeX, (2 * r) / _realRect3D.SizeY);
zpBrush.Transform = null;
plotModel.Children.Add(new GeometryModel3D(mb.ToMesh(), MaterialHelper.CreateMaterial(zpBrush)));
}
return plotModel;
}
