public string ReadFromDXF(StreamReader str, ListBox lb)
{
string GroupCode, Value, MyStr;
GroupCode = "Unused";
Value = "Unassigned";
lb.Items.Add("ARC");
while (GroupCode != "0")
{
GroupCode = str.ReadLine().Trim();
Value = str.ReadLine().Trim();
switch (GroupCode)
{
case "10": // x-ordinate of the centre point
Centre.x = Convert.ToDouble(Value);
break;
case "20": // y-ordinate of the centre point
Centre.y = Convert.ToDouble(Value);
break;
case "30": // z-ordinate of the centre point
Centre.z = Convert.ToDouble(Value);
break;
case "40": // radius
Radius = Convert.ToDouble(Value);
break;
case "50": // start angle in degrees
StartAngle = Convert.ToDouble(Value);
break;
case "51": // end angle in degrees
EndAngle = Convert.ToDouble(Value);
break;
}
}
// write the arc's properties onto the list box
MyStr = string.Concat("Location: ", Centre.Publish());
lb.Items.Add(MyStr);
MyStr = string.Concat("Radius: ", Radius.ToString());
lb.Items.Add(MyStr);
MyStr = string.Concat("Angle sweep: ", StartAngle.ToString(), " to ", EndAngle.ToString());
lb.Items.Add(MyStr);
SetExtents();
// this is the name of the next object to follow
// it is the value when we get a group code of 0, thus exiting the while loop
return(Value);
}
public string ReadFromDXF(StreamReader str, ListBox lb)
{
string GroupCode, Value, Coords;
GroupCode = "Unused";
Value = "Unassigned";
lb.Items.Add("LINE");
while (GroupCode != "0")
{
// get the next code/value pair
GroupCode = str.ReadLine().Trim();
Value = str.ReadLine().Trim();
switch (GroupCode)
{
case "10": // x-ordinate of start point
P1.x = Convert.ToDouble(Value);
break;
case "20": // y-ordinate of start point
P1.y = Convert.ToDouble(Value);
break;
case "30": // z-ordinate of start point
P1.z = Convert.ToDouble(Value);
break;
case "11": // x-ordinate of end point
P2.x = Convert.ToDouble(Value);
break;
case "21": // y-ordinate of end point
P2.y = Convert.ToDouble(Value);
break;
case "31": // z-ordinate of end point
P2.z = Convert.ToDouble(Value);
break;
}
}
// write the co-ordinates onto the listbox
Coords = string.Concat(P1.Publish(), " - ", P2.Publish());
lb.Items.Add(Coords);
SetExtents();
// this is the name of the next object to follow
// it is the value when we get a group code of 0, thus exiting the while loop
return(Value);
}
public string ReadFromDXF(StreamReader str, ListBox lb)
{
string GroupCode, Value, Coords;
GroupCode = "Unused";
Value = "Unassigned";
lb.Items.Add("TEXT");
while (GroupCode != "0")
{
// get the next code/value pair
GroupCode = str.ReadLine().Trim();
Value = str.ReadLine().Trim();
switch (GroupCode)
{
case "10": // x-ordinate of the insertion point
Pos.x = Convert.ToDouble(Value);
break;
case "20": // y-ordinate of the insertion point
Pos.y = Convert.ToDouble(Value);
break;
case "30": // z-ordinate of the insertion point
Pos.z = Convert.ToDouble(Value);
break;
case "40": // text height
Height = Convert.ToDouble(Value);
break;
case "1": // content
Content = Value;
break;
}
}
Coords = string.Concat("Location: ", Pos.Publish());
lb.Items.Add(Coords);
Coords = string.Concat("Height: ", Height.ToString());
lb.Items.Add(Coords);
lb.Items.Add(Content);
// this is the name of the next object to follow
// it is the value when we get a group code of 0, thus exiting the while loop
return(Value);
}
public string ReadFromDXF(StreamReader str, ListBox lb)
{
string GroupCode, Value;
GroupCode = "Unused";
Value = "Unassigned";
lb.Items.Add("POLYLINE");
while (GroupCode != "0")
{
// get the next code/value pair
GroupCode = str.ReadLine().Trim();
Value = str.ReadLine().Trim();
if (GroupCode == "70") // Closed or not
{
if (Value == "0")
{
IsClosed = false;
}
else if (Value == "1")
{
IsClosed = true;
}
}
if (GroupCode == "10")
{
// create a new 3D point, and then the x-ordinate of it
_3D Pt = new _3D();
Pt.x = Convert.ToDouble(Value);
// the next group code is 20, which is followed by the y-ordinate of the point
GroupCode = str.ReadLine().Trim();
Value = str.ReadLine().Trim();
Pt.y = Convert.ToDouble(Value);
lb.Items.Add(Pt.Publish());
Pts.Add(Pt);
}
}
SetExtents();
// this is the name of the next object to follow
// it is the value when we get a group code of 0, thus exiting the while loop
return(Value);
}
public string ReadFromDXF(StreamReader str, ListBox lb)
{
string GroupCode, Value, Coords;
GroupCode = "Unused";
Value = "Unassigned";
lb.Items.Add("CIRCLE");
while (GroupCode != "0")
{
// get the next code/value pair
GroupCode = str.ReadLine().Trim();
Value = str.ReadLine().Trim();
switch (GroupCode)
{
case "10": // x-ordinate of the centre point
Centre.x = Convert.ToDouble(Value);
break;
case "20": // y-ordinate of the centre point
Centre.y = Convert.ToDouble(Value);
break;
case "30": // z-ordinate of the centre point
Centre.z = Convert.ToDouble(Value);
break;
case "40": // radius
Radius = Convert.ToDouble(Value);
break;
}
}
// write the circle's properties onto the list box
Coords = string.Concat("Location: ", Centre.Publish());
lb.Items.Add(Coords);
Coords = string.Concat("Radius: ", Radius.ToString());
lb.Items.Add(Coords);
SetExtents();
// this is the name of the next object to follow
// it is the value when we get a group code of 0, thus exiting the while loop
return(Value);
}
public string ReadFromDXF(StreamReader str, ListBox lb)
{
string GroupCode, Value, MyStr;
GroupCode = "Unused";
Value = "Unassigned";
lb.Items.Add("ELLIPSE");
while (GroupCode != "0")
{
// get the next code/value pair
GroupCode = str.ReadLine().Trim();
Value = str.ReadLine().Trim();
switch (GroupCode)
{
case "10": // x-ordinate of the centre point
Centre.x = Convert.ToDouble(Value);
break;
case "20": // y-ordinate of the centre point
Centre.y = Convert.ToDouble(Value);
break;
case "30": // z-ordinate of the centre point
Centre.z = Convert.ToDouble(Value);
break;
case "11": // z-ordinate of the major axis endpoint
MajorAxisEndpt.x = Convert.ToDouble(Value);
break;
case "21": // z-ordinate of the major axis endpoint
MajorAxisEndpt.y = Convert.ToDouble(Value);
break;
case "31": // z-ordinate of the major axis endpoint
MajorAxisEndpt.z = Convert.ToDouble(Value);
break;
case "40": // ratio of minor axis to major axis
MinorMajorRatio = Convert.ToDouble(Value);
break;
case "41": // start angle in degrees
StartParameter = Convert.ToDouble(Value);
break;
case "42": // end angle in degrees
EndParameter = Convert.ToDouble(Value);
break;
}
}
SetRadiiAndAngle();
SetExtents();
// write the ellipse's properties onto the listbox
MyStr = string.Concat("Location: ", Centre.Publish());
lb.Items.Add(MyStr);
MyStr = string.Concat("Major Radius: ", MajorRadius.ToString());
lb.Items.Add(MyStr);
MyStr = string.Concat("Minor Radius: ", MinorRadius.ToString());
lb.Items.Add(MyStr);
MyStr = string.Concat("Angle: ", AngleDeg.ToString("F3"), "degrees");
lb.Items.Add(MyStr);
// this is the name of the next object to follow
// it is the value when we get a group code of 0, thus exiting the while loop
return(Value);
}
