public bool AddElement(PLYElement elementItem)
{
bool result = false;
try
{
elements.Add(elementItem);
result = true;
}
catch (Exception ex)
{
}
return(result);
}
/// <summary>
/// Reads the model in ASCII format from the specified stream.
/// </summary>
/// <param name="stream">
/// The stream.
/// </param>
/// <returns>
/// True if the model was loaded successfully.
/// </returns>
private bool TryReadAscii(StreamReader reader)
{
bool result = false;
bool endHeader = false;
int elementIndex = 0;
long elementCount = 0;
this.vertex = new List <Point3D>();
PLYElement currentElement = null;
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
if (line != null)
{
line = line.Trim();
if (line.Length == 0 || line.StartsWith("\0") || line.StartsWith("#") || line.StartsWith("!") ||
line.StartsWith("$"))
{
continue;
}
string id, values;
if (!endHeader)
{
SplitLine(line, out id, out values);
string[] fields = null;
if (values != null)
{
fields = values.SplitOnWhitespace();
}
switch (id.ToLowerInvariant())
{
case "ply":
this.header.isValid = true;
break;
case "format":
this.header.Format = fields[0];
break;
case "element":
if (currentElement != null)
{
this.header.AddElement(currentElement);
currentElement = null;
}
currentElement = new PLYElement();
currentElement.Name = fields[0];
currentElement.Count = long.Parse(fields[1]);
break;
case "property":
PLYProperty currentProperty = new PLYProperty();
currentProperty.Name = fields[fields.Length - 1];
currentProperty.DataType = fields[fields.Length - 2];
if (currentElement != null)
{
currentElement.AddProperty(currentProperty);
}
break;
case "end_header":
if (currentElement != null)
{
this.header.AddElement(currentElement);
currentElement = null;
}
endHeader = true;
break;
}
}
else
{
if (header.Elements.Count > elementIndex)
{
if (header.Elements[elementIndex].Count > elementCount)
{
switch (header.Elements[elementIndex].Name.ToLower())
{
case "vertex":
this.AddVertex(line);
break;
case "face":
if (faces == null)
{
faces = new List <int> [header.Elements[elementIndex].Count];
}
this.AddFace(line, elementCount);
break;
}
elementCount++;
}
else
{
elementIndex++;
elementCount = 0;
}
}
}
}
}
return(result);
}
/// <summary>
/// Reads the model in ASCII format from the specified stream.
/// </summary>
/// <param name="stream">
/// The stream.
/// </param>
/// <returns>
/// True if the model was loaded successfully.
/// </returns>
private bool TryReadAscii(StreamReader reader)
{
bool result = false;
bool endHeader = false;
int elementIndex = 0;
long elementCount = 0;
this.vertex = new List<Point3D>();
PLYElement currentElement = null;
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
if (line != null)
{
line = line.Trim();
if (line.Length == 0 || line.StartsWith("\0") || line.StartsWith("#") || line.StartsWith("!")
|| line.StartsWith("$"))
{
continue;
}
string id, values;
if (!endHeader)
{
SplitLine(line, out id, out values);
string[] fields=null;
if (values != null)
{
fields = values.SplitOnWhitespace();
}
switch (id.ToLowerInvariant())
{
case "ply":
this.header.isValid = true;
break;
case "format":
this.header.Format = fields[0];
break;
case "element":
if (currentElement != null)
{
this.header.AddElement(currentElement);
currentElement = null;
}
currentElement = new PLYElement();
currentElement.Name = fields[0];
currentElement.Count = long.Parse(fields[1]);
break;
case "property":
PLYProperty currentProperty = new PLYProperty();
currentProperty.Name = fields[fields.Length - 1];
currentProperty.DataType = fields[fields.Length - 2];
if (currentElement != null)
{
currentElement.AddProperty(currentProperty);
}
break;
case "end_header":
if (currentElement != null)
{
this.header.AddElement(currentElement);
currentElement = null;
}
endHeader = true;
break;
}
}
else
{
if (header.Elements.Count > elementIndex)
{
if (header.Elements[elementIndex].Count > elementCount)
{
switch (header.Elements[elementIndex].Name.ToLower())
{
case "vertex":
this.AddVertex(line);
break;
case "face":
if(faces==null)
{
faces = new List<int>[header.Elements[elementIndex].Count];
}
this.AddFace(line, elementCount);
break;
}
elementCount++;
}
else
{
elementIndex++;
elementCount = 0;
}
}
}
}
}
return result;
}
public bool AddElement(PLYElement elementItem)
{
bool result = false;
try
{
elements.Add(elementItem);
result = true;
}
catch(Exception ex)
{
}
return result;
}