/// <summary>
/// 获取图层默认样式
/// 点图层：颜色-seagreen，边界色-black，边界宽-2；
/// 线图层：颜色-DarkSlateGray，边界色-DarkSlateGray，线宽-5
/// 面图层：颜色-从颜色表中随机选取，边界色-black，边界宽-2
/// </summary>
/// <param name="mapType"></param>
/// <returns></returns>
public static WEStyle GetDefaultRender(FeatureType mapType)
{
WEStyle DefaultStyle = new WEStyle();
DefaultStyle.SymbolMethod = 1; //默认样式使用唯一值渲染
if (mapType == FeatureType.WEPoint || mapType == FeatureType.WEMultiPoint || mapType == FeatureType.WEEntityPoint)
{
DefaultStyle.BoundaryColor = Color.Black;
DefaultStyle.FromColor = Color.SeaGreen;
DefaultStyle.ToColor = DefaultStyle.FromColor;
DefaultStyle.BoundaryWidth = 2;
}
if (mapType == FeatureType.WEPolygon || mapType == FeatureType.WEMultiPolygon || mapType == FeatureType.WEEntityPolygon)
{
//面的颜色从颜铯表中随机选取
Random r = new Random();
DefaultStyle.FromColor = surfaceColorTable[r.Next(0, surfaceColorTable.Count())];
DefaultStyle.ToColor = DefaultStyle.FromColor;
DefaultStyle.BoundaryColor = Color.Black;
DefaultStyle.BoundaryWidth = 2;
}
if (mapType == FeatureType.WEPolyline || mapType == FeatureType.WEMultiPolyline || mapType == FeatureType.WEEntityPolyline)
{
DefaultStyle.BoundaryColor = Color.DarkSlateGray;
DefaultStyle.FromColor = DefaultStyle.ToColor = Color.DarkSlateGray;
DefaultStyle.BoundaryWidth = 5;
}
return(DefaultStyle);
}
public override void Draw(PaintEventArgs e, WEStyle style, string str)
{
Graphics g = e.Graphics;
foreach (var i in _Polylines)
{
//foreach(var poi in ((WEPolyline)i).Points)
//g.FillRectangle(new SolidBrush(style.FromColor), WEMapTools.FromMapPoint(poi).X - 2, WEMapTools.FromMapPoint(poi).Y - 2, 4, 4);
Pen penn = new Pen(new SolidBrush(style.FromColor), (float)style.BoundaryWidth);
switch (style.SymbolStyle)
{
case 0:
penn.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;
break;
case 1:
penn.DashStyle = System.Drawing.Drawing2D.DashStyle.Custom;
penn.DashPattern = new float[] { 5, 5 };
break;
}
for (int j = 0; j < ((WEPolyline)i).Points.Length - 1; j++)
{
g.DrawLine(penn, WEMapTools.FromMapPoint(((WEPolyline)i).Points[j]), WEMapTools.FromMapPoint(((WEPolyline)i).Points[j + 1]));
}
}
//g.DrawString(str, new Font("微软雅黑", 8), new SolidBrush(Color.Black), WEMapTools.FromMapPoint(new WEPoint(MBR.MinX + MBR.Width / 2, MBR.MinY + MBR.Height /2)));
}
private void Single_Apply_Click(object sender, EventArgs e)
{
WEMapObjects.WEStyle newStyle = new WEMapObjects.WEStyle();
newStyle.SymbolMethod = 1;
if (_mapType == 1)
{
newStyle.SymbolStyle = Single_symbol.SelectedIndex + 1; //符号
newStyle.Size = Convert.ToDouble(Single_size.Value); //尺寸
newStyle.FromColor = newStyle.ToColor = Single_Color.BackColor; //颜色
newStyle.BoundaryWidth = Convert.ToDouble(Single_bdrWidth.Value); //边界宽度
newStyle.BoundaryColor = Single_bdrColor.BackColor; //边界颜色
}
if (_mapType == 2)
{
newStyle.SymbolStyle = Single_symbol.SelectedIndex; //符号
newStyle.Size = Convert.ToDouble(Single_size.Value); //尺寸
newStyle.FromColor = newStyle.ToColor = Single_Color.BackColor; //颜色
}
if (_mapType == 3)
{
newStyle.FromColor = newStyle.ToColor = Single_Color.BackColor; //颜色
newStyle.BoundaryWidth = Convert.ToDouble(Single_bdrWidth.Value); //边界宽度
newStyle.BoundaryColor = Single_bdrColor.BackColor; //边界颜色
}
newStyle.LabelVisible = checkBox1.Checked;
//DialogResult = DialogResult.OK;
SetStyle = newStyle;
_parentForm.AllLayer[_styleLayerNum].SymbolStyle = SetStyle;
_parentForm.AllLayer[_styleLayerNum].Label = SetLabel;
_parentForm.weMapControl1.AllLayer = _parentForm.AllLayer;
_parentForm.weMapControl1.Refresh();
//_parentForm.AllLayer[]
}
public override void Draw(PaintEventArgs e, WEStyle style, string str)
{
Graphics g = e.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
PointF tem;
foreach (var i in _Points)
{
switch (style.SymbolStyle)
{
case 1:
g.DrawEllipse(new Pen(style.FromColor), WEMapTools.FromMapPoint(i).X - (float)style.Size / 2, WEMapTools.FromMapPoint(i).Y - (float)style.Size / 2, (float)style.Size, (float)style.Size);
break;
case 2:
g.FillEllipse(new SolidBrush(style.FromColor), WEMapTools.FromMapPoint(i).X - (float)style.Size / 2, WEMapTools.FromMapPoint(i).Y - (float)style.Size / 2, (float)style.Size, (float)style.Size);
break;
case 3:
g.DrawRectangle(new Pen(style.FromColor), WEMapTools.FromMapPoint(i).X - (float)style.Size / 2, WEMapTools.FromMapPoint(i).Y - (float)style.Size / 2, (float)style.Size, (float)style.Size);
break;
case 4:
g.FillRectangle(new SolidBrush(style.FromColor), WEMapTools.FromMapPoint(i).X - (float)style.Size / 2, WEMapTools.FromMapPoint(i).Y - (float)style.Size / 2, (float)style.Size, (float)style.Size);
break;
case 5:
tem = WEMapTools.FromMapPoint(i);
g.DrawLines(new Pen(style.FromColor), new PointF[4] {
new PointF(tem.X, tem.Y - (float)style.Size * 2 / 3),
new PointF(tem.X - (float)style.Size / 2, tem.Y + (float)style.Size / 3),
new PointF(tem.X + (float)style.Size / 3, tem.Y + (float)style.Size / 3),
new PointF(tem.X, tem.Y - (float)style.Size * 2 / 3),
});
break;
case 6:
tem = WEMapTools.FromMapPoint(i);
g.FillPolygon(new SolidBrush(style.FromColor), new PointF[4] {
new PointF(tem.X, tem.Y - (float)style.Size * 2 / 3),
new PointF(tem.X - (float)style.Size / 2, tem.Y + (float)style.Size / 3),
new PointF(tem.X + (float)style.Size / 3, tem.Y + (float)style.Size / 3),
new PointF(tem.X, tem.Y - (float)style.Size * 2 / 3),
});
break;
case 7:
g.DrawEllipse(new Pen(style.FromColor), WEMapTools.FromMapPoint(i).X - (float)style.Size / 2, WEMapTools.FromMapPoint(i).Y - (float)style.Size / 2, (float)style.Size, (float)style.Size);
g.FillRectangle(new SolidBrush(style.FromColor), WEMapTools.FromMapPoint(i).X - 0.5f, WEMapTools.FromMapPoint(i).Y - 0.5f, 1, 1);
break;
case 8:
g.DrawEllipse(new Pen(style.FromColor), WEMapTools.FromMapPoint(i).X - (float)style.Size / 2, WEMapTools.FromMapPoint(i).Y - (float)style.Size / 2, (float)style.Size, (float)style.Size);
g.DrawEllipse(new Pen(style.FromColor), WEMapTools.FromMapPoint(i).X - (float)style.Size / 3, WEMapTools.FromMapPoint(i).Y - (float)style.Size / 3, (float)style.Size / 1.5f, (float)style.Size / 1.5f);
break;
}
}
}
public WEVectorLayer(int id, string layername, string description, FeatureType type,
WEFeature[] geometries, bool visible, bool selectable, WEStyle style)
{
_ID = id;
_LayerName = layername;
_Description = description;
_FeatureType = type;
_Features.AddRange(geometries);
_Visible = visible;
_Selectable = selectable;
_LayerStyle = style;
}
private void Unique_Apply_Click(object sender, EventArgs e)
{
WEMapObjects.WEUniqueValueRender newStyle = new WEMapObjects.WEUniqueValueRender();
newStyle.SymbolMethod = 2;
newStyle.Field = UniqVal_Field.SelectedItem.ToString();
List <string> UniqVals = new List <string>();
List <WEMapObjects.WEStyle> styles = new List <WEMapObjects.WEStyle>();
if (_mapType == 1)
{
newStyle.SymbolStyle = Single_symbol.SelectedIndex + 1; //符号
newStyle.Size = Convert.ToDouble(Single_size.Value); //尺寸
newStyle.FromColor = newStyle.ToColor = Single_Color.BackColor; //颜色
newStyle.BoundaryWidth = Convert.ToDouble(Single_bdrWidth.Value); //边界宽度
newStyle.BoundaryColor = Single_bdrColor.BackColor; //边界颜色
}
else if (_mapType == 2)
{
newStyle.SymbolStyle = Single_symbol.SelectedIndex; //符号
newStyle.Size = Convert.ToDouble(Single_size.Value); //尺寸
newStyle.FromColor = newStyle.ToColor = Single_Color.BackColor; //颜色
}
else if (_mapType == 3)
{
newStyle.FromColor = newStyle.ToColor = Single_Color.BackColor; //颜色
newStyle.BoundaryWidth = Convert.ToDouble(Single_bdrWidth.Value); //边界宽度
newStyle.BoundaryColor = Single_bdrColor.BackColor; //边界颜色
}
for (int i = 0; i < AttributeTable.RowCount - 1; i++)
{
UniqVals.Add(AttributeTable.Rows[i].Cells[1].Value.ToString());
WEMapObjects.WEStyle s = new WEMapObjects.WEStyle();
s.FromColor = s.ToColor = AttributeTable.Rows[i].Cells[0].Style.BackColor; //仅设置了样式的颜色
s.Size = newStyle.Size;
s.SymbolStyle = newStyle.SymbolStyle;
s.BoundaryColor = newStyle.BoundaryColor;
s.BoundaryWidth = newStyle.BoundaryWidth;
styles.Add(s);
}
newStyle.UniqueValue = UniqVals;
newStyle.Symbols = styles;
newStyle.LabelVisible = checkBox1.Checked;
//DialogResult = DialogResult.OK;
SetStyle = newStyle;
_parentForm.AllLayer[_styleLayerNum].SymbolStyle = SetStyle;
_parentForm.AllLayer[_styleLayerNum].Label = SetLabel;
_parentForm.weMapControl1.AllLayer = _parentForm.AllLayer;
_parentForm.weMapControl1.Refresh();
//_parentForm.AllLayer[]
}
public WERasterLayer(int id, string layername, string description, FeatureType type,
List <List <List <double> > > data, bool visible, bool selectable, WEStyle style)
{
_ID = id;
_LayerName = layername;
_Description = description;
_FeatureType = type;
_Visible = visible;
_Selectable = selectable;
_LayerStyle = style;
_Data = data;
_BandCount = _Data.Count();
_Width = _Data[0][0].Count();
_Height = _Data[0].Count();
}
public override void Draw(PaintEventArgs e, WEStyle style, string str)
{
Graphics g = e.Graphics;
GraphicsPath path = new GraphicsPath();
if (PointCount == 0)
{
return;
}
foreach (var i in _Polygons)
{
if (i.PointCount == 0)
{
continue;
}
//foreach (var poi in ((WEPolygon)i).Points)
//g.FillRectangle(new SolidBrush(style.FromColor), WEMapTools.FromMapPoint(poi).X - 2, WEMapTools.FromMapPoint(poi).Y - 2, 4, 4);
GraphicsPath _path = new GraphicsPath();
List <PointF> temp = new List <PointF>();
foreach (var j in ((WEPolygon)i).Points)
{
temp.Add(WEMapTools.FromMapPoint(j));
}
temp.Add(temp.First());
_path.AddLines(temp.ToArray());
/*
* for (int j = 0; j < ((WEPolygon)i).Points.Length - 1; j++)
* {
* _path.AddLine(WEMapTools.FromMapPoint(((WEPolygon)i).Points[j]), WEMapTools.FromMapPoint(((WEPolygon)i).Points[j + 1]));
* //g.DrawLine(new Pen(new SolidBrush(Color.Black), 1), WEMapTools.FromMapPoint(((WEPolygon)i).Points[j]), WEMapTools.FromMapPoint(((WEPolygon)i).Points[j + 1]));
* }
* _path.AddLine(WEMapTools.FromMapPoint(((WEPolygon)i).Points.Last()), WEMapTools.FromMapPoint(((WEPolygon)i).Points.First()));
* //g.DrawLine(new Pen(new SolidBrush(Color.Black), 1), WEMapTools.FromMapPoint(((WEPolygon)i).Points.Last()), WEMapTools.FromMapPoint(((WEPolygon)i).Points.First()));
*/
path.AddPath(_path, false);
}
g.FillPath(new SolidBrush(style.FromColor), path);
g.DrawPath(new Pen(new SolidBrush(style.BoundaryColor), (float)style.BoundaryWidth), path);
//g.DrawString(str, new Font("微软雅黑", 8), new SolidBrush(Color.Black), WEMapTools.FromMapPoint(new WEPoint(MBR.MinX + MBR.Width / 2, MBR.MinY + MBR.Height / 2)));
}
public WELayer(string filePath, FeatureType layerType = FeatureType.WENULL)
{
string fileType = filePath.Split('.').Last();
if (fileType == "shp")
{
WELayer newLayer = WEIO.ReadLayer(filePath);
this._ID = newLayer.ID;
this._LayerName = newLayer.LayerName;
this._FileName = filePath;
this._Description = newLayer.Description;
this._FeatureType = newLayer.FeatureType;
this._LayerStyle = newLayer.SymbolStyle;
this._MBR = newLayer._MBR;
this._Visible = true;
this._Selectable = true;
}
else if (fileType == "tif")
{
;
}
}
/// <summary>
/// 绘制
/// </summary>
/// <param name="e"></param>
public override void Draw(PaintEventArgs e)
{
if (!Visible)
{
return;
}
//Graphics g = e.Graphics;
switch (_LayerStyle.SymbolMethod)
{
case 1:
foreach (var i in _ShowFeatures)
{
i.Geometries.Draw(e, _LayerStyle, "");
}
break;
case 2:
foreach (var i in _ShowFeatures)
{
i.Geometries.Draw(e, ((WEUniqueValueRender)_LayerStyle).Symbols[
((WEUniqueValueRender)_LayerStyle).UniqueValue.IndexOf(i.Attributes[((WEUniqueValueRender)_LayerStyle).Field].ToString())
], "");
}
break;
case 3:
WEClassBreaksRender style = (WEClassBreaksRender)_LayerStyle;
if (_ShowFeatures.Count == 0)
{
return;
}
if (style.Field == "FID")
{
double diff = _Features.Count() * 1.0 / style.BreakCount;
for (int i = 0; i < _ShowFeatures.Count; i++)
{
int rank = (int)Math.Ceiling(_ShowFeatures[i].ID / diff + 0.1) - 1;
Color FromColor = Color.FromArgb(
(int)style.FromColor.R + ((int)style.ToColor.R - (int)style.FromColor.R) / (style.BreakCount - rank),
(int)style.FromColor.G + ((int)style.ToColor.G - (int)style.FromColor.G) / (style.BreakCount - rank),
(int)style.FromColor.B + ((int)style.ToColor.B - (int)style.FromColor.B) / (style.BreakCount - rank)
);
WEStyle newSty = new WEStyle(style.SymbolMethod, style.SymbolStyle, style.BoundaryColor,
FromColor, FromColor, style.Size, style.BoundaryWidth);
_Features[i].Geometries.Draw(e, newSty, "");
}
}
else
{
double min = Convert.ToDouble(_ShowFeatures[0].Attributes[style.Field]), max = Convert.ToDouble(_ShowFeatures[0].Attributes[style.Field]);
//double min = (double)_ShowFeatures[0].Attributes[style.Field], max = (double)_ShowFeatures[0].Attributes[style.Field];
for (int i = 0; i < _Features.Count(); i++)
{
double helo = Convert.ToDouble(_Features[i].Attributes[style.Field]);
if (helo > max)
{
max = helo;
}
if (helo < min)
{
min = helo;
}
}
double diff = (max - min) / style.BreakCount;
foreach (var i in _ShowFeatures)
{
int rank = (int)((Convert.ToDouble(i.Attributes[style.Field]) - min - 0.0000001) / diff);
Color FromColor = Color.FromArgb(
(int)style.FromColor.R + ((int)style.ToColor.R - (int)style.FromColor.R) / (style.BreakCount - rank),
(int)style.FromColor.G + ((int)style.ToColor.G - (int)style.FromColor.G) / (style.BreakCount - rank),
(int)style.FromColor.B + ((int)style.ToColor.B - (int)style.FromColor.B) / (style.BreakCount - rank)
);
WEStyle newSty = new WEStyle(style.SymbolMethod, style.SymbolStyle, style.BoundaryColor,
FromColor, FromColor, style.Size, style.BoundaryWidth);
//_Features[i].Geometries.Draw(e, newSty, "");
//WEStyle newSty = style.Symbols[(int)(((double)(i.Attributes[style.Field]) - min - 0.0000001) / diff)];
i.Geometries.Draw(e, newSty, "");
}
}
break;
}
if (_LayerStyle.LabelVisible)
{
DrawLabel(e);
}
}
public virtual void Draw(System.Windows.Forms.PaintEventArgs e, WEStyle style, string str)
{
}