public override void MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
Panel panel = (Panel)sender;
this.FromPoint = new Point(e.X, e.Y);
// draw point
MG_BaseDisplay.FillPoint(panel.CreateGraphics(), brush, this.FromPoint,MG_Constant.PointRadius);
// screen to map
this.MapPoint = MG_BaseRender.ToPoint(this.FromPoint, this.MapView);
//1 create a feature
// 1.1 set geometry
this.Feature.SetGeometry(this.MapPoint);
// 1.2 set field value
for (int i = 0; i < this.Feature.GetFieldSet().Count();i++ )
{
this.Feature.SetValue(i, null);
}
//2 create a new feature
MG_Feature newFeature = new MG_Feature(this.Feature);
//3 add new feature to layer
this.Layer.AddFeature(newFeature);
//4 clear data to store the next point
this.MapPoint.Clear();
}
}
/// xxx between 2 ,
public override string AsWKT_Reduced()
{// "LINESTRING (10 20, 30 40, 50 60)" ---> "(10 20, 30 40, 50 60)"
int count = this.Points.Count;
if (count < 1)
{
return(null);
}
MG_Point p = (MG_Point)this.Points[0];
string front = "({0}"; //Reduced Here: "{0} ({1}";
front = String.Format(front, p.AsWKT_Reduced());
string m = ", {0}";
string mid = "";
for (int i = 1; i < count; i++)
{
MG_Point pp = (MG_Point)this.Points[i];
mid += String.Format(m, pp.AsWKT_Reduced());
}
string end = ")";
return(front + mid + end);
}
public Point Map2Screen(MG_Point point)
{
//scale = 0.015 229,251--->542 530
double sx = CenterScreenPoint.X - (int)((CenterMapPoint.x - point.x) / Scale);
double sy = CenterScreenPoint.Y + (int)((CenterMapPoint.y - point.y) / Scale);
return new Point((int)sx, (int)sy);
}
public Point Map2Screen(MG_Point point)
{//scale = 0.015 229,251--->542 530
double sx = CenterScreenPoint.X - (int)((CenterMapPoint.x - point.x) / Scale);
double sy = CenterScreenPoint.Y + (int)((CenterMapPoint.y - point.y) / Scale);
return(new Point((int)sx, (int)sy));
}
public override string AsWKT()
{// "MULTIPOINT (10 20, 30 40, 50 60)"
int count = this.Points.Count;
if (count < 1)
{
return(null);
}
MG_Point p = (MG_Point)this.Points[0];
string front = "{0} ({1}";
front = String.Format(front, this.Type.ToString(), p.AsWKT_Reduced());
string m = ", {0}";
string mid = "";
for (int i = 1; i < count; i++)
{
MG_Point pp = (MG_Point)this.Points[i];
mid += String.Format(m, pp.AsWKT_Reduced());
}
string end = ")";
return(front + mid + end);
}
public MG_Feature(MG_Feature f)
{
this.FieldSet = new MG_FieldSet();
this.ValueSet = new MG_ValueSet();
this.Geometry = new MG_Geometry();
this.Symbol = new MG_Symbol();
for (int i = 0; i < f.GetFieldCount(); i++)
{
MG_Field field = f.GetFieldSet().GetAt(i);
MG_Field newField = new MG_Field(field);
this.FieldSet.Add(newField);
MG_Value value = f.GetValue(i);
MG_Value newValue = new MG_Value(value);
this.ValueSet.Add(newValue);
}
MG_Geometry g = f.GetGeometry();
MG_Geometry newGeom = new MG_Geometry();
switch (g.Type)
{
case MG_GeometryType.NONE:
break;
case MG_GeometryType.POINT:
newGeom = new MG_Point(g as MG_Point);
break;
case MG_GeometryType.MULTIPOINT:
newGeom = new MG_MultiPoint(g as MG_MultiPoint);
break;
case MG_GeometryType.LINESTRING:
newGeom = new MG_LineString(g as MG_LineString);
break;
case MG_GeometryType.MULTILINESTRING:
newGeom = new MG_MultiLineString(g as MG_MultiLineString);
break;
case MG_GeometryType.POLYGON:
newGeom = new MG_Polygon(g as MG_Polygon);
break;
case MG_GeometryType.MULTIPOLYGON:
newGeom = new MG_MultiPolygon(g as MG_MultiPolygon);
break;
}
this.Geometry = newGeom;
MG_Symbol newSymbol = new MG_Symbol(f.GetSymbol());
this.Symbol = newSymbol;
}
public MG_MultiPoint(MG_MultiPoint mp)
{
this.Type = MG_GeometryType.MULTIPOINT;
this.Points = new List <MG_Point>();
if (mp != null)
{
for (int i = 0; i < mp.Count(); i++)
{
MG_Point p = new MG_Point(mp.GetAt(i));
this.Add(p);
}
}
}
public MG_LineString(MG_LineString l)
{
this.Type = MG_GeometryType.LINESTRING;
this.Points = new List <MG_Point>();
if (l != null)
{
for (int i = 0; i < l.Count(); i++)
{
MG_Point p = new MG_Point(l.GetAt(i));
this.Add(p);
}
}
}
public MG_MultiPoint(MG_MultiPoint mp)
{
this.Type = MG_GeometryType.MULTIPOINT;
this.Points = new List<MG_Point>();
if (mp != null)
{
for (int i = 0; i < mp.Count(); i++)
{
MG_Point p = new MG_Point(mp.GetAt(i));
this.Add(p);
}
}
}
public MG_LineString(MG_LineString l)
{
this.Type = MG_GeometryType.LINESTRING;
this.Points = new List<MG_Point>();
if (l != null)
{
for (int i = 0; i < l.Count(); i++)
{
MG_Point p = new MG_Point(l.GetAt(i));
this.Add(p);
}
}
}
public MG_Feature(MG_Feature f)
{
this.FieldSet = new MG_FieldSet();
this.ValueSet = new MG_ValueSet();
this.Geometry = new MG_Geometry();
this.Symbol = new MG_Symbol();
for (int i = 0; i < f.GetFieldCount();i++ )
{
MG_Field field = f.GetFieldSet().GetAt(i);
MG_Field newField = new MG_Field(field);
this.FieldSet.Add(newField);
MG_Value value = f.GetValue(i);
MG_Value newValue = new MG_Value(value);
this.ValueSet.Add(newValue);
}
MG_Geometry g = f.GetGeometry();
MG_Geometry newGeom = new MG_Geometry();
switch (g.Type)
{
case MG_GeometryType.NONE:
break;
case MG_GeometryType.POINT:
newGeom = new MG_Point(g as MG_Point);
break;
case MG_GeometryType.MULTIPOINT:
newGeom = new MG_MultiPoint(g as MG_MultiPoint);
break;
case MG_GeometryType.LINESTRING:
newGeom = new MG_LineString(g as MG_LineString);
break;
case MG_GeometryType.MULTILINESTRING:
newGeom = new MG_MultiLineString(g as MG_MultiLineString);
break;
case MG_GeometryType.POLYGON:
newGeom = new MG_Polygon(g as MG_Polygon);
break;
case MG_GeometryType.MULTIPOLYGON:
newGeom = new MG_MultiPolygon(g as MG_MultiPolygon);
break;
}
this.Geometry = newGeom;
MG_Symbol newSymbol = new MG_Symbol(f.GetSymbol());
this.Symbol = newSymbol;
}
public static void RenderPoint(Graphics g, Brush brush, int radius, MG_MapView mapview, MG_Point point)
{
//int realValue = GetRealValue(radius, mapview);
//if (realValue < MG_Constant.PointRadius)
//{
// realValue = MG_Constant.PointRadius;
//}
Point sp = AsPoint(point, mapview);
FillPoint(g, brush, sp, radius);
}
public MG_Point(MG_Point p)
{
this.Type = MG_GeometryType.POINT;
this.x = p.x;
this.y = p.y;
}
private void calculateCenterMapPoint()
{
this.CenterMapPoint = new MG_Point((CurrentExtent.MaxX + CurrentExtent.MinX) / 2, (CurrentExtent.MaxY + CurrentExtent.MinY) / 2);
}
public void Add(MG_Point p)
{
this.Points.Add(p);
}
private void testGeometry()
{
MG_Point p = new MG_Point(100, 200);
string type = p.Type.ToString();
string wkt = p.AsWKT();
string wkt_reduced = p.AsWKT_Reduced();
byte[] wkb = p.AsWKB();
MG_MultiPoint mp = new MG_MultiPoint();
for (int i = 0; i < 10; i++)
{
MG_Point pp = new MG_Point(i, i);
mp.Add(pp);
}
type = mp.Type.ToString();
wkt = mp.AsWKT();
wkt_reduced = mp.AsWKT_Reduced();
wkb = mp.AsWKB();
MG_LineString l = new MG_LineString();
for (int i = 0; i < 10; i++)
{
MG_Point pp = new MG_Point(i, i);
l.Add(pp);
}
type = l.Type.ToString();
wkt = l.AsWKT();
wkt_reduced = l.AsWKT_Reduced();
wkb = l.AsWKB();
MG_MultiLineString ml = new MG_MultiLineString();
for (int i = 0; i < 5; i++)
{
MG_LineString l2 = new MG_LineString();
for (int j = 0; j < 3; j++)
{
MG_Point pp = new MG_Point(i, j);
l2.Add(pp);
}
ml.Add(l2);
}
type = ml.Type.ToString();
wkt = ml.AsWKT();
wkt_reduced = ml.AsWKT_Reduced();
wkb = ml.AsWKB();
MG_Polygon pg = new MG_Polygon();
for (int i = 0; i < 5; i++)
{
MG_LineString l2 = new MG_LineString();
for (int j = 0; j < 3; j++)
{
MG_Point pp = new MG_Point(i, j);
l2.Add(pp);
}
pg.Add(l2);
}
type = pg.Type.ToString();
wkt = pg.AsWKT();
wkt_reduced = pg.AsWKT_Reduced();
wkb = pg.AsWKB();
}
public void Remove(MG_Point p)
{
this.Points.Remove(p);
}
public MG_ToolDrawPoint(MG_Layer layer, MG_MapView mapview)
: base(MG_ToolType.Tool_DrawPoint, layer, mapview)
{
this.MapPoint = new MG_Point();
}
public static MG_Point ToPoint(Point point, MG_MapView mapview)
{
MG_Point mp;
if (mapview != null)
{
mp = mapview.Screent2Map(point);
}
else
{
mp = new MG_Point(point.X, point.Y);
}
return mp;
}
public void Remove(MG_Point p)
{
this.Points.Remove(p);
}
private static Point AsPoint(MG_Point point, MG_MapView mapview)
{
Point sp;
if (mapview != null)
{
sp = mapview.Map2Screen(point);
}
else
{
sp = new Point((int)point.x, (int)point.y);
}
return sp;
}
public void Add(MG_Point p)
{
this.Points.Add(p);
}
public MG_Point(MG_Point p)
{
this.Type = MG_GeometryType.POINT;
this.x = p.x;
this.y = p.y;
}
private void panel1_MouseMove(object sender, MouseEventArgs e)
{
if (this.m_gBaseTool != null)
{
this.m_gBaseTool.MouseMove(sender, e);
}
// screen and map point
this.m_gScreenPoint = new Point(e.X, e.Y);
MG_Map map = this.getSelectedMap();
if (map != null && map.GetMapView() != null)
{
this.m_gMapPoint = map.GetMapView().Screent2Map(this.m_gScreenPoint);
}
else
{
this.m_gMapPoint = null;
}
// set status bar
this.setStatusBar();
}
private void calculateCenterMapPoint()
{
this.CenterMapPoint = new MG_Point((CurrentExtent.MaxX + CurrentExtent.MinX) / 2, (CurrentExtent.MaxY + CurrentExtent.MinY) / 2);
}
