/// <summary>
/// constructor
/// </summary>
/// <param name="profile">ProfileWall or ProfileFloor</param>
public NewPathReinforcementForm(Profile profile)
: this()
{
m_profile = profile;
m_to2DMatrix = m_profile.To2DMatrix;
m_moveToCenterMatrix = m_profile.ToCenterMatrix();
m_tool = new LineTool();
this.KeyPreview = true; //respond Form events first
m_pointsPreview = new List<List<XYZ>>();
m_sizePictureBox = this.pictureBox.Size;
}
/// <summary>
/// Get a matrix which can transform points to 2D
/// </summary>
/// <returns>matrix which can transform points to 2D</returns>
public override Matrix4 GetTo2DMatrix()
{
View viewLevel2 = null;
// select the view which is named "Level 2"
// Once use the View type to filterrrr the element ,please skip the view templates
// because they're behind-the-scene and invisible in project browser; also invalid for API.
IEnumerable<View> views = from elem in
(new FilteredElementCollector(m_commandData.Application.ActiveUIDocument.Document)).OfClass(typeof(ViewPlan)).ToElements()
let view = elem as View
where (view != null) && (!view.IsTemplate) && (view.ViewName == "Level 2")
select view;
viewLevel2 = views.First();
Vector4 xAxis = new Vector4(viewLevel2.RightDirection);
//Because Y axis in windows UI is downward, so we should Multiply(-1) here
Vector4 yAxis = new Vector4(viewLevel2.UpDirection.Multiply(-1));
Vector4 zAxis = new Vector4(viewLevel2.ViewDirection);
Matrix4 result = new Matrix4(xAxis, yAxis, zAxis);
return result;
}
/// <summary>
/// draw profile of wall or floor in 2D
/// </summary>
/// <param name="graphics">form graphic</param>
/// <param name="pen">pen used to draw line in pictureBox</param>
/// <param name="matrix4">Matrix used to transform 3d to 2d
/// and make picture in right scale </param>
public void Draw2D(Graphics graphics, Pen pen, Matrix4 matrix4)
{
for (int i = 0; i < m_points.Count; i++)
{
List<XYZ> points = m_points[i];
for (int j = 0; j < points.Count - 1; j++)
{
Autodesk.Revit.DB.XYZ point1 = points[j];
Autodesk.Revit.DB.XYZ point2 = points[j + 1];
Vector4 v1 = new Vector4(point1);
Vector4 v2 = new Vector4(point2);
v1 = matrix4.Transform(v1);
v2 = matrix4.Transform(v2);
graphics.DrawLine(pen, new Point((int)v1.X, (int)v1.Y),
new Point((int)v2.X, (int)v2.Y));
}
}
}
/// <summary>
/// multiply matrix left and right
/// </summary>
/// <param name="left">left matrix</param>
/// <param name="right">right matrix</param>
/// <returns></returns>
public static Matrix4 Multiply(Matrix4 left, Matrix4 right)
{
Matrix4 result = new Matrix4();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
result[i, j] = left[i, 0] * right[0, j] + left[i, 1] * right[1, j]
+ left[i, 2] * right[2, j] + left[i, 3] * right[3, j];
}
}
return result;
}
/// <summary>
/// draw the curve of slab (or wall) and path of PathReinforcement
/// </summary>
/// <param name="sender">object who sent this event</param>
/// <param name="e">event args</param>
private void PictureBox_Paint(object sender, PaintEventArgs e)
{
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
if (m_previewMode)
{
//Draw the geometry of Path Reinforcement
DrawPreview(e.Graphics);
//move the gdi origin to the picture center
e.Graphics.Transform = new
System.Drawing.Drawing2D.Matrix(1, 0, 0, 1, 0, 0);
m_tool.Draw(e.Graphics);
}
else
{
//Draw the pictures in the m_tools list
m_tool.Draw(e.Graphics);
}
//move the gdi origin to the picture center
e.Graphics.Transform = new System.Drawing.Drawing2D.Matrix(
1, 0, 0, 1, m_sizePictureBox.Width / 2, m_sizePictureBox.Height / 2);
//get matrix
Size scaleSize = new Size((int)(0.85 * m_sizePictureBox.Width),
(int)(0.85 * m_sizePictureBox.Height));
m_scaleMatrix = ComputeScaleMatrix(scaleSize);
m_transMatrix = Compute3DTo2DMatrix();
//draw profile
m_profile.Draw2D(e.Graphics, Pens.Blue, m_transMatrix);
}
/// <summary>
/// draw points in the List on the form
/// </summary>
/// <param name="graphics">form graphic</param>
/// <param name="pen">pen used to draw line in pictureBox</param>
/// <param name="matrix4">Matrix used to transform 3d to 2d
/// and make picture in right scale </param>
/// <param name="points">points need to be drawn</param>
private void DrawPoints(Graphics graphics, Pen pen, Matrix4 matrix4, List<List<XYZ>> points)
{
foreach (List<XYZ> xyzArray in points)
{
for (int i = 0; i < xyzArray.Count - 1; i++)
{
Autodesk.Revit.DB.XYZ point1 = xyzArray[i];
Autodesk.Revit.DB.XYZ point2 = xyzArray[i + 1];
Vector4 v1 = new Vector4(point1);
Vector4 v2 = new Vector4(point2);
v1 = matrix4.Transform(v1);
v2 = matrix4.Transform(v2);
graphics.DrawLine(pen, new Point((int)v1.X, (int)v1.Y),
new Point((int)v2.X, (int)v2.Y));
}
}
}
