/// <summary>
/// 解析Xml
/// </summary>
/// <param name="xml"></param>
/// <param name="document"></param>
/// <returns></returns>
public List <MatchItem> ParseXml(string xml, vdDocument document)
{
var result = new List <MatchItem>();
if (string.IsNullOrEmpty(xml))
{
return(result);
}
try
{
var setting = new XmlReaderSettings {
IgnoreWhitespace = true
};
var reader = XmlReader.Create(new StringReader(xml), setting);
while (reader.Read())
{
//如果不是Field节点
if (reader.NodeType == XmlNodeType.Element && reader.Name == nameof(MatchItem))
{
var matchItem = new MatchItem();
matchItem.ReadXml(reader, document);
result.Add(matchItem);
}
}
reader.Dispose();
}
catch (XmlException ex)
{
Console.WriteLine(ex.Message);
}
return(result);
}
private FigureSet GetXorItem(MatchItem matchItem, FigureSet test)
{
var testBox = test.GetBoundingBox();
var testDiagonalLen2 = Math.Pow(Math.Pow(testBox.Width, 2.0) + Math.Pow(testBox.Height, 2.0), 0.5) * 2;
if (matchItem.Sample.GetBoundingBox().MidPoint.Distance2D(testBox.MidPoint) < testDiagonalLen2)
{
if (matchItem.Sample.Entities.Any(cond => test.Entities.Contains(cond)))
{
return(matchItem.Sample);
}
}
foreach (var item in matchItem.Results)
{
var itemBox = item.GetBoundingBox();
var distance = itemBox.MidPoint.Distance2D(testBox.MidPoint);
if (distance < testDiagonalLen2)
{
if (item.Entities.Any(cond => test.Entities.Contains(cond)))
{
return(item);
}
}
}
return(null);
}
/// <summary>
/// 匹配
/// </summary>
/// <param name="srcFigures"></param>
/// <param name="itemsOfSample">样本组，里面包含多个图元</param>
/// <returns></returns>
public MatchItem Match(List <vdFigure> srcFigures, List <vdFigure> itemsOfSample)
{
if (itemsOfSample == null || itemsOfSample.Count < 2)
{
throw new ArgumentException(nameof(itemsOfSample));
}
//选中的样品，后续就是找跟这个相似的
var sample = new FigureSet(itemsOfSample);
var majorFilter = FilterFactory.Get(sample.Major.GetType());
if (majorFilter == null)
{
return(null);
}
//从源图元集合中找出符合样本特征图元的元素
var majorList = majorFilter.Filter(srcFigures, sample.Major);
//样本组外包矩形
var sampleBoundingBox = sample.GetBoundingBox();
//样本组特征图元到中心点的位移
var sampleOffsetOfMajor2Center = new gPoint(
sampleBoundingBox.MidPoint.x - sample.Major.BoundingBox.MidPoint.x,
sampleBoundingBox.MidPoint.y - sample.Major.BoundingBox.MidPoint.y);
//样本组特征图元到中心点的位移长度
var sampleOffsetLenOfMajor2Center = gPoint.Distance2D(sampleBoundingBox.MidPoint,
sample.Major.BoundingBox.MidPoint);
//sampleBoundingBox.MidPoint - sample.Major.BoundingBox.MidPoint;
//样本外包矩形的对角线长度
var sampleDiagonalLen = Math.Pow(Math.Pow(sampleBoundingBox.Width, 2.0) + Math.Pow(sampleBoundingBox.Height, 2.0), 0.5);
//找到的和样本组类似的图元组集合
var result = new MatchItem {
Sample = sample, CadFileName = _document.FileName
};
//选择集合
var selectingList = new List <vdFigure>();
var debugLayer = VdSqlUtil.AppendLayer(_document, "DebugLayer");
VdSqlUtil.DeleteFiguresByLayer(_document.ActionLayout, debugLayer);
foreach (var major in majorList)
{
//根据特征图元的中心点、样本组外包矩形的对角线长度，样本组特征图元到中心点的位移
//计算该次框选的范围
var boundingBox = new Box();
boundingBox.AddPoint(major.BoundingBox.MidPoint);
boundingBox.AddWidth((sampleDiagonalLen + sampleOffsetLenOfMajor2Center) / 2d + 1);
//boundingBox.AddWidth(sampleMajorMaxLenOfBox);
//boundingBox.AddWidth(1);
//boundingBox.Offset(sampleOffsetOfMajor2Center.x, sampleOffsetOfMajor2Center.y, 0);
//框选
var selection = _document.Selections.Add("BoundingByMajor");
selection.RemoveAll();
selection.Select(RenderSelect.SelectingMode.WindowRectangle, new gPoints(new[] { boundingBox.UpperLeft, boundingBox.LowerRight }));
//selectingList.Add(major);
//selectingList.Add(AppendRect(_document, boundingBox, debugLayer));
//continue;
var fromFigures = selection.OfType <vdFigure>().ToList();
fromFigures.Sort(new FigureMidPointComparer());
//从框选结果中筛选图元
var item = MatchCore(fromFigures, major, sample);
if (item != null && GetXorItem(result, item) == null)
{
result.Results.Add(item);
//selectingList.AddRange(item.Entities);
}
else
{
//VdUtil.SelectFigures(_document, fromFigures);
//VdUtil.RefreshVectorDraw(_document);
//break;
}
}
if (selectingList.Count > 0)
{
VdActionUtil.SelectFigures(_document, selectingList);
VdActionUtil.RefreshVectorDraw(_document);
}
return(result);
}