///<summary>生成图元Brush</summary>
protected void genSymbolBrush()
{
SolidColorBrush defaultbrush = new SolidColorBrush(Colors.Lime);
Brush brush;
foreach (IGrouping <string, DataRow> g in dtsymbol.AsEnumerable().GroupBy(p => p.Field <string>("svgsymbolid")))
{
string sid = g.Key;
string name = g.First().Field <string>("name");
DrawingGroup drawgroup = new DrawingGroup();
GeometryDrawing aDrawing;
double sizeX = 10;
double sizeY = 10;
int idx = 0;
foreach (DataRow item in dtsymbol.AsEnumerable().Where(p => p.Field <string>("svgsymbolid") == sid))
{
if (idx == 0)//获取尺寸
{
Rect tmp = Rect.Parse(item["viewbox"].ToString());
sizeX = tmp.Width;
sizeY = tmp.Height;
}
string shapetype = item["shapetype"].ToString();
string data = item["data"].ToString();
if (shapetype == "circle")
{
Regex regex = new Regex("(\\d*.?\\d*,\\d*.?\\d*)\\|(\\d*.?\\d*)", RegexOptions.Multiline);
Match m = regex.Match(data);
if (m.Success)
{
Point pc = Point.Parse(m.Groups[1].Value);
double r = double.Parse(m.Groups[2].Value);
EllipseGeometry geo = new EllipseGeometry(pc, r, r);
aDrawing = new GeometryDrawing();
aDrawing.Geometry = geo;
Pen pen = new Pen();
double thickness = double.Parse(item["width"].ToString());
thickness = thickness < 2 ? 2 : thickness;
pen.Thickness = thickness;
brush = defaultbrush;//强制缺省用黄色//brush = anaBrush(item["fill"].ToString());
pen.Brush = brush;
aDrawing.Pen = pen;
drawgroup.Children.Add(aDrawing);
}
}
else if (shapetype == "path")
{
Geometry geo = PathGeometry.Parse(data);
aDrawing = new GeometryDrawing();
aDrawing.Geometry = geo;
brush = defaultbrush;//强制缺省用黄色//brush = anaBrush(item["fill"].ToString());
aDrawing.Brush = brush;
Pen pen = new Pen();
pen.Thickness = double.Parse(item["width"].ToString());
brush = defaultbrush;
pen.Brush = brush;
aDrawing.Pen = pen;
drawgroup.Children.Add(aDrawing);
}
idx++;
}
DrawingBrush myDrawingBrush = new DrawingBrush();
myDrawingBrush.Drawing = drawgroup;
pSymbol sym = new pSymbol()
{
id = sid, sizeX = sizeX, sizeY = sizeY, brush = myDrawingBrush, name = name
};
//可选以文件生成材质, 否则以brush生成材质
//if (sid == "SubstationEntityDisH")
// sym.texturefile = "SubstationEntityDisH.dds";
//if (sid == "SwitchStationOpen")
// sym.texturefile = "SwitchStationOpen.dds";
//if (sid == "Pole")
// sym.texturefile = "Pole.dds";
uc.objManager.zSymbols.Add(sid, sym);
}
}
///<summary>解析svg文件</summary>
void loadFromSvg(string filename)
{
//示例从svg中读取非地理数据展现
XmlReaderSettings settings = new XmlReaderSettings();
settings.ConformanceLevel = ConformanceLevel.Document;
settings.IgnoreWhitespace = true;
settings.IgnoreComments = false;
;
//settings.LineNumberOffset = 2;
XmlReader reader = XmlReader.Create(filename, settings);
string elename;
string id, fill, stroke, width, height, data, layer, symbol, translate, rotate, scale, zclass, shapetype, layerid;
id = layerid = "";
int depth;
//解析图元用
bool istext = false;
Brush brush = null;
DrawingGroup drawgroup = new DrawingGroup();
GeometryDrawing aDrawing;
WpfEarthLibrary.pSymbol psymbol = null;
//层
WpfEarthLibrary.pLayer player = null;
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.CDATA)
{
string tmp = reader.Value;
string[] stringSeparators = new string[] { "\n" };
string[] ss = tmp.Split(stringSeparators, StringSplitOptions.RemoveEmptyEntries);
foreach (string s in ss)
{
Regex regex = new Regex(".(.*?) {stroke:(.*?); fill:(.*?) }", RegexOptions.Multiline);
Match m = regex.Match(s);
if (m.Success)
{
string stylename = m.Groups[1].Value;
stroke = m.Groups[2].Value;
fill = m.Groups[3].Value;
//zh注：style暂未实现
}
}
}
if (reader.IsStartElement())
{
elename = reader.Name;
switch (elename)
{
case "svg": // svg
string tmp2 = getPropertyValue(reader, "viewBox");
if (tmp2 != null)
{
Rect svgviewbox = Rect.Parse(tmp2);
uc.earthManager.planeViewBox = svgviewbox; //必须设置，方能自动调整相机到适当位置，若显现看起来没居中，是图形与viewbox不完全匹配，可手动调整这个viewbox数值以居中
}
break;
case "symbol": // 图元符号
depth = reader.Depth;
if (reader.HasAttributes)
{
string symbolid = getPropertyValue(reader, "id");
string viewbox = getPropertyValue(reader, "viewBox");
reader.MoveToElement();
//开始一个图元的处理，创建一个图元对象并加入到uc.objmanager的图元字典中，以便框架生成公用材质供厂站使用，在本示例中，仅breakor使用到了公用图元
drawgroup = new DrawingGroup();
Rect symbolviewbox = new Rect(0, 0, 2, 2);
if (!string.IsNullOrWhiteSpace(viewbox))
{
symbolviewbox = Rect.Parse(viewbox);
}
psymbol = new pSymbol()
{
id = symbolid, name = symbolid, sizeX = symbolviewbox.Width, sizeY = symbolviewbox.Height
};
uc.objManager.zSymbols.Add(symbolid, psymbol);
istext = false;
}
while (reader.Read())
{
if (reader.Depth == depth && reader.NodeType == XmlNodeType.EndElement)
{
//结束一个图元处理，对图元的brush赋值
if (!istext)
{
DrawingBrush myDrawingBrush = new DrawingBrush();
myDrawingBrush.Drawing = drawgroup;
psymbol.brush = myDrawingBrush;
}
break;
}
switch (reader.Name)
{
case "circle":
if (reader.HasAttributes)
{
fill = getPropertyValue(reader, "fill");
stroke = "rgb(0, 0, 0)";
width = getPropertyValue(reader, "stroke-width");
data = getPropertyValue(reader, "cx") + "," + getPropertyValue(reader, "cy") + "|" + getPropertyValue(reader, "r");
reader.MoveToElement();
//绘图元元素
Regex regex = new Regex("(\\d*.?\\d*,\\d*.?\\d*)\\|(\\d*.?\\d*)", RegexOptions.Multiline);
Match m = regex.Match(data);
if (m.Success)
{
Point pc = Point.Parse(m.Groups[1].Value);
double r = double.Parse(m.Groups[2].Value);
EllipseGeometry geo = new EllipseGeometry(pc, r, r);
aDrawing = new GeometryDrawing();
aDrawing.Geometry = geo;
Pen pen = new Pen();
double thickness = double.Parse(width);
thickness = thickness < 2 ? 2 : thickness;
pen.Thickness = thickness;
//brush = ;//defaultbrush;//强制缺省用黄色//brush = anaBrush(item["fill"].ToString());
brush = new SolidColorBrush(Colors.Red);
pen.Brush = brush;
aDrawing.Pen = pen;
drawgroup.Children.Add(aDrawing);
}
}
break;
case "ellipse":
if (reader.HasAttributes)
{
fill = getPropertyValue(reader, "fill");
stroke = "rgb(0, 0, 0)";
width = getPropertyValue(reader, "stroke-width");
double cx = double.Parse(getPropertyValue(reader, "cx"));
double cy = double.Parse(getPropertyValue(reader, "cy"));
double rx = double.Parse(getPropertyValue(reader, "rx"));
double ry = double.Parse(getPropertyValue(reader, "ry"));
reader.MoveToElement();
//绘图元元素
Point pc = new Point(cx, cy);
EllipseGeometry geo = new EllipseGeometry(pc, rx, ry);
aDrawing = new GeometryDrawing();
aDrawing.Geometry = geo;
Pen pen = new Pen();
double thickness = double.Parse(width);
thickness = thickness < 2 ? 2 : thickness;
pen.Thickness = thickness;
brush = Brushes.Yellow; //注，色彩应从fill取，示例没做转换，直接使用黄色
pen.Brush = brush;
aDrawing.Pen = pen;
drawgroup.Children.Add(aDrawing);
}
break;
case "rect":
if (reader.HasAttributes)
{
fill = getPropertyValue(reader, "fill");
stroke = "rgb(0, 0, 0)";
width = getPropertyValue(reader, "width");
height = getPropertyValue(reader, "height");
data = getPropertyValue(reader, "cx") + "," + getPropertyValue(reader, "cy") + "|" + getPropertyValue(reader, "r");
reader.MoveToElement();
//绘图元元素
RectangleGeometry geo = new RectangleGeometry();
geo.Rect = new Rect(0, 0, double.Parse(width), double.Parse(height));
aDrawing = new GeometryDrawing();
aDrawing.Geometry = geo;
aDrawing.Brush = new SolidColorBrush(Colors.Aqua);
drawgroup.Children.Add(aDrawing);
}
break;
case "path":
if (reader.HasAttributes)
{
fill = getPropertyValue(reader, "fill");
stroke = "rgb(0, 0, 0)";
width = getPropertyValue(reader, "stroke-width");
data = getPropertyValue(reader, "d");
reader.MoveToElement();
//绘图元元素
Geometry geo = PathGeometry.Parse(data);
aDrawing = new GeometryDrawing();
aDrawing.Geometry = geo;
brush = Brushes.Orange;
aDrawing.Brush = brush;
Pen pen = new Pen();
pen.Thickness = double.Parse(width);
brush = Brushes.Blue;
pen.Brush = brush;
aDrawing.Pen = pen;
drawgroup.Children.Add(aDrawing);
}
break;
case "line":
if (reader.HasAttributes)
{
//<line stroke="rgb(0, 0, 0)" stroke-width="1.000000" x1="50.000000" y1="7.499999" x2="13.193920" y2="71.250001" />
stroke = getPropertyValue(reader, "stroke");
width = getPropertyValue(reader, "stroke-width");
data = string.Format("M {0} {1} L {2} {3}", getPropertyValue(reader, "x1"), getPropertyValue(reader, "y1"), getPropertyValue(reader, "x2"), getPropertyValue(reader, "y2"));
reader.MoveToElement();
//绘图元元素
}
break;
case "text":
if (reader.HasAttributes)
{
stroke = getPropertyValue(reader, "stroke");
reader.MoveToElement();
//绘图元元素
psymbol.brush = Brushes.SkyBlue;
istext = true;
}
break;
}
}
break;
case "g":
depth = reader.Depth;
if (reader.HasAttributes)
{
reader.MoveToAttribute("id");
layer = reader.Value;
reader.MoveToElement();
//开始一个层，在uc.objmanager中创建一个层
player = uc.objManager.AddLayer(layer, layer, layer);
}
while (reader.Read())
{
if (reader.Depth == depth && reader.NodeType == XmlNodeType.EndElement)
{
break;
}
if (reader.Name == "use" && reader.NodeType == XmlNodeType.Element)
{
shapetype = "dot";
id = getPropertyValue(reader, "id");
fill = getPropertyValue(reader, "fill");
stroke = getPropertyValue(reader, "stroke");
symbol = getPropertyValue(reader, "xlink:href");
zclass = getPropertyValue(reader, "class");
//data = getPropertyValue(reader, "transform");
double x = double.Parse(getPropertyValue(reader, "x"));
double y = double.Parse(getPropertyValue(reader, "y"));
double w = double.Parse(getPropertyValue(reader, "width"));
double h = double.Parse(getPropertyValue(reader, "height"));
reader.MoveToElement();
//点类对象，此处示例代码假定点对象使用了图元
symbol = symbol.Replace("#", "");
double aspect = uc.objManager.zSymbols[symbol].sizeX / uc.objManager.zSymbols[symbol].sizeY; //从图元取宽高比
pSymbolObject obj = new pSymbolObject(player)
{
id = id,
name = id,
planeLocation = (new Point(x + w / 2, y + h / 2)).ToString(), //注：应赋值到planeLocation(平面坐标用)，而不是location(经纬度坐标用)，另外，校验位置到中心点
symbolid = symbol,
scaleX = 0.005f, // 0.005为从svg平面空间到3D空间的缩放系数，可自行调整大小
scaleY = (float)(0.005 * aspect),
color = Colors.LightBlue,
isH = true
};
player.AddObject(id, obj);
}
else if (reader.Name == "path" && reader.NodeType == XmlNodeType.Element)
{
shapetype = "path";
id = getPropertyValue(reader, "id");
fill = getPropertyValue(reader, "fill");
stroke = getPropertyValue(reader, "stroke");
width = getPropertyValue(reader, "stroke-width");
data = getPropertyValue(reader, "d");
zclass = getPropertyValue(reader, "class");
reader.MoveToElement();
//线对象
if (!string.IsNullOrWhiteSpace(id))
{
pPowerLine obj = new pPowerLine(player)
{
id = id,
name = id,
color = Color.FromRgb(0xFF, 0x66, 0x00),
isFlow = true, //是否显示潮流
thickness = 0.002f, //线宽
arrowSize = 0.005f //潮流箭头大小
};
// 处理path短写，生成点集，对更复杂的短写，需借助path对象生成点集
string tmp = data;
tmp = tmp.Replace("M", "");
string[] ps = tmp.Split('L');
string points = "";
int idx = 0;
foreach (string s in ps)
{
if (idx != 0)
{
points += " ";
}
Point pt = Point.Parse(s);
points += pt.ToString();
idx++;
}
//zh注：对不合理的过近的相邻点进行处理，必须进行此步检查，否则在3D空间不能正常生成3D线条
PointCollection pc = PointCollection.Parse(points);
PointCollection newpc = new PointCollection();
newpc.Add(pc[0]);
for (int i = 1; i < pc.Count; i++)
{
if ((pc[i] - pc[i - 1]).Length > 20)
{
if (i < pc.Count - 1)
{
Vector v1 = pc[i] - pc[i - 1]; v1.Normalize();
Vector v2 = pc[i + 1] - pc[i]; v2.Normalize();
if (v1 != v2)
{
newpc.Add(pc[i]);
}
}
else
{
newpc.Add(pc[i]);
}
}
}
(obj as pPowerLine).strPoints = newpc.ToString();
obj.planeStrPoints = newpc.ToString(); // //注：应赋值到planeStrPoints，而不是strPoints
if (newpc.Count > 1)
{
player.pModels.Add(id, obj);
}
//处理潮流，在本demo中，ConnectNode_Layer层中的线不显示潮流箭头
if (player.id == "ConnectNode_Layer")
{
obj.isFlow = false;
}
}
}
else if (reader.Name == "text" && reader.NodeType == XmlNodeType.Element)
{
stroke = getPropertyValue(reader, "stroke");
double x = double.Parse(getPropertyValue(reader, "x"));
double y = double.Parse(getPropertyValue(reader, "y"));
string fontfamily = getPropertyValue(reader, "font-family");
string fontsize = getPropertyValue(reader, "font-size");
zclass = getPropertyValue(reader, "class");
reader.Read();
string text = reader.Value;
reader.MoveToElement();
if (text == "线")
{
}
//文字对象
double w = 40; // w 和 h用来修正位置
double h = -10;
float scalexy = float.Parse(fontsize) / 16f * 0.8f;
if (player.id == "Text_Layer")
{
pText obj = new pText(player)
{
id = Helpler.getGUID(), //生成guid串，确保key值唯一
name = text,
text = text,
planeLocation = (new Point(x + w / 2, y + h / 2)).ToString(), //注：应赋值到planeLocation(平面坐标用)，而不是location(经纬度坐标用)，另外，校验位置到中心点
isH = true, //是否水平放置
color = Colors.White,
scaleX = scalexy,
scaleY = scalexy,
};
player.AddObject(text, obj);
}
}
else if (reader.Name == "rect" && reader.NodeType == XmlNodeType.Element)
{
fill = getPropertyValue(reader, "fill");
stroke = getPropertyValue(reader, "stroke");
double x = double.Parse(getPropertyValue(reader, "x"));
double y = double.Parse(getPropertyValue(reader, "y"));
double w = double.Parse(getPropertyValue(reader, "width"));
double h = double.Parse(getPropertyValue(reader, "height"));
reader.Read();
reader.MoveToElement();
//厂站对象
if (player.id == "Other_Layer")
{
pSymbolObject obj = new pSymbolObject(player)
{
id = Helpler.getGUID(), //生成guid串，确保key值唯一
planeLocation = (new Point(x + w / 2, y + h / 2)).ToString(), //注：应赋值到planeLocation(平面坐标用)，而不是location(经纬度坐标用)，另外，校验位置到中心点
isH = true,
brush = Brushes.White,
color = Colors.Red,
scaleX = (float)(w * 0.0005), //0.0005为映射到3D空间的尺寸调整系数
scaleY = (float)(h * 0.0005)
};
player.AddObject(obj.id, obj);
}
}
}
break;
}
}
}
//==============清理空白层
int idxi = 0;
while (idxi < uc.objManager.zLayers.Count)
{
if (uc.objManager.zLayers.Values.ElementAt(idxi).pModels.Count == 0)
{
uc.objManager.zLayers.Remove(uc.objManager.zLayers.Keys.ElementAt(idxi));
}
else
{
idxi++;
}
}
}
