private void updateListFromFeatures(Point pt, List <tagFEATURE> list, tagFEATURE[] features)
{
for (int j = 0; j < features.Length; j++)
{
tagFEATURE feature = features[j];
if ((feature.PRIM == GeoPrimitiveType.Point || feature.PRIM == GeoPrimitiveType.Text) && feature.SG2D != null)
{
Point ptFeature = _locator.Locator.MapToScreen(feature.SG2D.Points[0].X, feature.SG2D.Points[0].Y);
//TODO：是否要通过装配单配置 选中点误差为10像素
if (Math.Abs(pt.X - ptFeature.X) < 10 && Math.Abs(pt.Y - ptFeature.Y) < 10)
{
list.Add(feature);
}
}
else if (feature.PRIM == GeoPrimitiveType.Line && feature.SG2D != null)
{
updateListFromSelected(pt, list, feature);
}
else if (feature.PRIM == GeoPrimitiveType.Area && feature.Area != null)
{
MapPoint mp = _locator.Locator.ScreenToMap(pt.X, pt.Y);
if (Calculate.PtInPolygon(mp.Lon, mp.Lat, feature.Area))
{
list.Add(feature);
}
}
}
}
private void updateListFromSelected(Point pt, List <tagFEATURE> list, tagFEATURE feature)
{
List <PointD[]> listPds = Calculate.CalcPolylineIntersect(feature.SG2D.Points, _locator.Rect);
bool isSelected = false;
foreach (PointD[] pd in listPds)
{
if (isSelected)
{
break;
}
for (int k = 0; k < pd.Length - 1; k++)
{
Point start = _locator.Locator.MapToScreen(pd[k].X, pd[k].Y);
Point end = _locator.Locator.MapToScreen(pd[k + 1].X, pd[k + 1].Y);
//TODO：是否要通过装配单配置 选中线误差为5像素
if (ScreenCalcUtil.CalcDisP2L(DrawingPoint(start), DrawingPoint(end), DrawingPoint(pt)) < 5)
{
isSelected = true;
break;
}
}
}
if (isSelected)
{
list.Add(feature);
}
}
private void onSetAttribute(ushort key, tagFEATURE feature, CompactFeatureObj obj)
{
S57AttributeType attrType = (S57AttributeType)key;
string[] attr = feature.GetAttribute(attrType);
if (attr != null)
{
obj[attrType.ToString()] = attr;
}
}
private void setAttribute(tagFEATURE feature, CompactFeatureObj obj)
{
foreach (ushort attrId in feature.ATTFRead)
{
onSetAttribute(attrId, feature, obj);
}
foreach (ushort attrId in feature.NATFRead)
{
onSetAttribute(attrId, feature, obj);
}
}
private List <CompactFeatureObj> updateResult(List <tagFEATURE> list)
{
List <CompactFeatureObj> result = new List <CompactFeatureObj>();
for (int i = 0; i < list.Count; i++)
{
tagFEATURE feature = list[i];
GeometryShape geoShape = null;
if ((feature.PRIM == GeoPrimitiveType.Point || feature.PRIM == GeoPrimitiveType.Text) && feature.SG2D != null)
{
geoShape = new GeoPointShape(feature.SG2D.Points[0].X, feature.SG2D.Points[0].Y);
}
else if (feature.PRIM == GeoPrimitiveType.Line && feature.SG2D != null)
{
geoShape = new GeoLineShape(feature.SG2D);
}
else if (feature.PRIM == GeoPrimitiveType.Area && feature.Area != null)
{
geoShape = new GeoAreaShape(feature.Area);
}
if (geoShape != null && _locator.Rect.IntersectsWith(geoShape.Bounds))
{
string name = string.Empty;
string[] names = feature.GetAttribute(S57AttributeType.NOBJNM);
if (names != null && names.Length > 0)
{
name = names[0];
}
string fileName = feature.File.Header.FileName;
int tempIndex = fileName.LastIndexOf('\\') + 1;
CompactFeatureObj obj = new CompactFeatureObj(string.Empty, name, string.Empty, geoShape, fileName.Substring(tempIndex, fileName.LastIndexOf('.') - tempIndex), feature.OBJL.ToString());
result.Add(obj);
setAttribute(feature, obj);
}
}
return(result);
}
