/// <summary>
/// 更新圆心
/// </summary>
/// <param name="centerDot"></param>
public void UpdatePosition(MapLngLat centerDot)
{
centerPoint = new PointClass()
{
X = centerDot.Lng, Y = centerDot.Lat
};
centerPoint.Z = centerDot.Alt;
IZAware zAware = (IGeometry)centerPoint as IZAware;
zAware.ZAware = true;
upperAxisVector3D = new Vector3DClass();
upperAxisVector3D.SetComponents(0, 0, 10);
lowerAxisVector3D = new Vector3DClass();
lowerAxisVector3D.SetComponents(0, 0, -10);
lowerAxisVector3D.XComponent -= vectorComponentOffset;
normalVector3D = upperAxisVector3D.CrossProduct(lowerAxisVector3D) as IVector3D;
normalVector3D.Magnitude = this.radius;
double rotationAngleInRadians = 2 * (Math.PI / 180);
pointCollection.RemovePoints(0, pointCollection.PointCount);
for (int i = 0; i < 180; i++)
{
normalVector3D.Rotate(-1 * rotationAngleInRadians, upperAxisVector3D);
IPoint vertexPoint = new PointClass();
vertexPoint.X = centerPoint.X + normalVector3D.XComponent;
vertexPoint.Y = centerPoint.Y + normalVector3D.YComponent;
vertexPoint.Z = centerPoint.Z;
pointCollection.AddPoint(vertexPoint, missing, missing);
//if (i == 0) pointCollection.AddPoint(vertexPoint, missing, missing);
}
base.Geometry = pointCollection as IGeometry;
this.Update();
}
/// <summary>
/// 更新多边形的某一点坐标
/// </summary>
/// <param name="oldLngLat">老坐标</param>
/// <param name="newLngLat">新坐标</param>
/// <returns></returns>
public bool UpdatePosition(Core.Model.MapLngLat oldLngLat, Core.Model.MapLngLat newLngLat)
{
Dosomething((Action)(delegate
{
IPoint oldPoint = new PointClass()
{
X = oldLngLat.Lng, Y = oldLngLat.Lat
};
IPoint newPoint = new PointClass()
{
X = newLngLat.Lng, Y = newLngLat.Lat
};
for (int i = 0; i < pointCollection.PointCount; i++)
{
if (pointCollection.get_Point(i).Compare(oldPoint) == 0)
{
pointCollection.RemovePoints(i, 1);
pointCollection.AddPoint(newPoint);
//坐标点集合
pointList.Remove(oldLngLat);
pointList.Add(newLngLat);
break;
}
}
base.Geometry = (IGeometry)pointCollection;
}), true);
Update();
return(true);
}
private void RecreateLineGeometry(IElement elem, IAGAnimationTrack pTrack, IAGKeyframe pKeyframe, IPoint new_pos)
{
IGeometry newGeometry = new PolylineClass();
IPointCollection newPointCol = (IPointCollection)newGeometry;
IAGAnimationTrackKeyframes trackKeyframes = (IAGAnimationTrackKeyframes)pTrack;
int tCount = trackKeyframes.KeyframeCount;
object missing = Type.Missing;
for (int i = 0; i < tCount; i++)
{
IAGKeyframe tempKeyframe = trackKeyframes.get_Keyframe(i);
newPointCol.AddPoint((IPoint)tempKeyframe.get_PropertyValue(0), ref missing, ref missing);
if ((IPoint)tempKeyframe.get_PropertyValue(0) == (IPoint)pKeyframe.get_PropertyValue(0))
{
break;
}
}
if (new_pos != null)
{
newPointCol.AddPoint(new_pos, ref missing, ref missing);
}
elem.Geometry = newGeometry;
}
private void createFeatureClass()
{
string ftClsPath = rsUtil.TempMosaicDir + "\\catBnd.shp";
IFields flds = new FieldsClass();
IFieldsEdit fldsE = (IFieldsEdit)flds;
IField fld = new FieldClass();
IFieldEdit fldE = (IFieldEdit)fld;
fldE.Name_2 = "catIndex";
fldE.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
fldsE.AddField(fldE);
ftCls = geoUtil.createFeatureClass(ftClsPath, fldsE, esriGeometryType.esriGeometryPolygon, sr);
int catInd = ftCls.FindField("catIndex");
int cnt = 0;
foreach (IRaster rs in inrs)
{
IFeature ftr = ftCls.CreateFeature();
ftr.set_Value(catInd, cnt);
IEnvelope ext = ((IRasterProps)rs).Extent;
IPolygon poly = new PolygonClass();
IPointCollection pColl = (IPointCollection)poly;
pColl.AddPoint(ext.UpperLeft);
pColl.AddPoint(ext.UpperRight);
pColl.AddPoint(ext.LowerRight);
pColl.AddPoint(ext.LowerLeft);
poly.Close();
ftr.Shape = poly;
ftr.Store();
cnt++;
}
}
private IElement method_1()
{
object missing = System.Type.Missing;
IPointCollection points = null;
IElement element = new PolygonElementClass();
IFillShapeElement element2 = element as IFillShapeElement;
new RgbColorClass();
IGeometry inGeometry = new RingClass();
IGeometry geometry2 = null;
IGeometryCollection geometrys = new PolygonClass();
IGeometry geometry3 = null;
points = (IPointCollection)inGeometry;
points.AddPoint(base.LeftLow, ref missing, ref missing);
points.AddPoint(base.RightLow, ref missing, ref missing);
points.AddPoint(base.RightUp, ref missing, ref missing);
points.AddPoint(base.LeftUp, ref missing, ref missing);
points.AddPoint(base.LeftLow, ref missing, ref missing);
geometry2 = this.method_2();
if (!geometry2.IsEmpty)
{
geometrys.AddGeometry(inGeometry, ref missing, ref missing);
geometrys.AddGeometry(geometry2, ref missing, ref missing);
}
geometry3 = geometrys as IGeometry;
if (!geometry3.IsEmpty)
{
geometry3.SpatialReference = geometry2.SpatialReference;
element.Geometry = geometry3;
element2.Symbol = this.method_7();
}
return(element);
}
//GradientFillSymbol
private void button15_Click(object sender, EventArgs e)
{
IGradientFillSymbol gradientFillSymbol = new GradientFillSymbolClass();
IAlgorithmicColorRamp algorithcColorRamp = new AlgorithmicColorRampClass();
algorithcColorRamp.FromColor = getRGB(255, 0, 0);
algorithcColorRamp.ToColor = getRGB(0, 255, 0);
algorithcColorRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
gradientFillSymbol.ColorRamp = algorithcColorRamp;
gradientFillSymbol.GradientAngle = 45;
gradientFillSymbol.GradientPercentage = 0.9;
gradientFillSymbol.Style = esriGradientFillStyle.esriGFSLinear;
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(gradientFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
/// <summary>
/// 更新线位置
/// </summary>
/// <param name="pList"></param>
/// <returns></returns>
public bool UpdatePosition(List <Core.Model.MapLngLat> pList)
{
if (mapControl.InvokeRequired)
{
mapControl.Invoke((Action) delegate()
{
IPoint p = new PointClass();
pointCollection.RemovePoints(0, pointCollection.PointCount);
for (int i = 0; i < pList.Count; i++)
{
p.PutCoords(pList[i].Lng, pList[i].Lat);
pointCollection.AddPoint(p);
}
base.Geometry = pointCollection as IGeometry;
});
}
else
{
IPoint p = new PointClass();
pointCollection.RemovePoints(0, pointCollection.PointCount);
for (int i = 0; i < pList.Count; i++)
{
p.PutCoords(pList[i].Lng, pList[i].Lat);
pointCollection.AddPoint(p);
}
base.Geometry = pointCollection as IGeometry;
}
Update();
pointList = pList;//更新坐标集合
return(true);
}
private IPolygon method_3()
{
IGeometryCollection geometrys = new PolygonClass();
IRing inGeometry = new RingClass();
IRing ring2 = new RingClass();
IPointCollection points = null;
IPointCollection points2 = null;
object missing = System.Type.Missing;
IPoint inPoint = new PointClass();
IPoint point2 = new PointClass();
IPoint point3 = new PointClass();
IPoint point4 = new PointClass();
points = inGeometry as IPointCollection;
points.AddPoint(base.LeftUp, ref missing, ref missing);
points.AddPoint(base.RightUp, ref missing, ref missing);
points.AddPoint(base.RightLow, ref missing, ref missing);
points.AddPoint(base.LeftLow, ref missing, ref missing);
inGeometry.Close();
geometrys.AddGeometry(inGeometry, ref missing, ref missing);
inPoint.PutCoords(base.LeftUp.X - base.InOutDist, base.LeftUp.Y + base.InOutDist);
point4.PutCoords(base.LeftLow.X - base.InOutDist, base.LeftLow.Y - base.InOutDist);
point3.PutCoords(base.RightLow.X + base.InOutDist, base.RightLow.Y - base.InOutDist);
point2.PutCoords(base.RightUp.X + base.InOutDist, base.RightUp.Y + base.InOutDist);
points2 = ring2 as IPointCollection;
points2.AddPoint(inPoint, ref missing, ref missing);
points2.AddPoint(point2, ref missing, ref missing);
points2.AddPoint(point3, ref missing, ref missing);
points2.AddPoint(point4, ref missing, ref missing);
ring2.Close();
geometrys.AddGeometry(ring2, ref missing, ref missing);
return(geometrys as IPolygon);
}
private void QueryBoundsFromGeom(int hDC, ref IDisplayTransformation transform, ref IPolygon boundary,
ref IPoint point)
{
IPointCollection pointCollection = null;
pointCollection = (IPointCollection)boundary;
try
{
IPolygon polygonClass = new Polygon() as IPolygon;
(this.m_NumeratorTextSymbol as ISymbol).QueryBoundary(hDC, transform, point, polygonClass);
IEnvelope envelope = polygonClass.Envelope;
IPolygon polygon = new Polygon() as IPolygon;
(this.m_DenominatorTextSymbol as ISymbol).QueryBoundary(hDC, transform, point, polygon);
envelope.Union(polygon.Envelope);
envelope.Expand(4, 0, false);
object value = Missing.Value;
object obj = Missing.Value;
pointCollection.AddPoint(envelope.LowerLeft, ref value, ref value);
pointCollection.AddPoint(envelope.LowerRight, ref value, ref value);
pointCollection.AddPoint(envelope.UpperRight, ref value, ref value);
pointCollection.AddPoint(envelope.UpperLeft, ref value, ref value);
pointCollection.AddPoint(envelope.LowerLeft, ref value, ref value);
ITransform2D transform2D = null;
if (this.m_Angle + this.m_dMapRotation != 0)
{
transform2D = boundary as ITransform2D;
transform2D.Rotate(point, Utility.Radians(this.m_Angle + this.m_dMapRotation));
}
}
catch (Exception exception)
{
exception.ToString();
}
}
IPoint IntersectPointExtendedTo(IPolyline pPolyline, IPolygon pCirclePoly)
{
ICurve pCurve;
ILine pLine;
IPolyline pPLine;
ITopologicalOperator pTopoOpt;
IGeometryCollection pGeoCol;
pCurve = pPolyline;
pLine = new Line();
double gridWidth = _mapTemplate.Width * _scale / 100.0;
pCurve.QueryTangent(esriSegmentExtension.esriExtendTangentAtTo, 1, true, gridWidth * 1.1, pLine);
pPLine = new Polyline() as IPolyline;
IPointCollection pPnts = pPLine as IPointCollection;
IClone pClone = pLine.FromPoint as IClone;
pPnts.AddPoint(pClone.Clone() as IPoint);
pClone = pLine.ToPoint as IClone;
pPnts.AddPoint(pClone.Clone() as IPoint);
pTopoOpt = pPLine as ITopologicalOperator;
pGeoCol = new GeometryBag() as IGeometryCollection;
pGeoCol =
pTopoOpt.Intersect(pCirclePoly, esriGeometryDimension.esriGeometry0Dimension) as IGeometryCollection;
if (pGeoCol.GeometryCount == 0)
{
return(null);
}
return(pGeoCol.Geometry[0] as IPoint);
}
private void DrawLineOnActiveView(List <int> lstIndices, double[][] arrValue, IActiveView pActiveView)
{
try
{
int intLstCnt = lstIndices.Count;
IGraphicsContainer pGraphicContainer = pActiveView.GraphicsContainer;
pGraphicContainer.DeleteAllElements();
IRgbColor pRgbColor = m_pSnippet.getRGB(0, 255, 255);
//IRgbColor pRgbColor = new RgbColorClass();
//pRgbColor.Red = 0;
//pRgbColor.Green = 255;
//pRgbColor.Blue = 255;
//pRgbColor.Transparency = 255;
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Width = 2;
pSimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
pSimpleLineSymbol.Color = pRgbColor;
for (int i = 0; i < intLstCnt; i++)
{
int intIdx = lstIndices[i];
double[] arrSelValue = arrValue[intIdx];
//drawing a polyline
IPoint FromP = new PointClass();
FromP.X = arrSelValue[0]; FromP.Y = arrSelValue[1];
IPoint ToP = new PointClass();
ToP.X = arrSelValue[2]; ToP.Y = arrSelValue[3];
IPolyline polyline = new PolylineClass();
IPointCollection pointColl = polyline as IPointCollection;
pointColl.AddPoint(FromP);
pointColl.AddPoint(ToP);
IElement pElement = new LineElementClass();
ILineElement pLineElement = (ILineElement)pElement;
pLineElement.Symbol = pSimpleLineSymbol;
pElement.Geometry = polyline;
pGraphicContainer.AddElement(pElement, 0);
}
pActiveView.Refresh();
}
catch (Exception ex)
{
frmErrorLog pfrmErrorLog = new frmErrorLog(); pfrmErrorLog.ex = ex; pfrmErrorLog.ShowDialog();
return;
}
}
//MultilayerFillSymbol
private void button17_Click(object sender, EventArgs e)
{
IMultiLayerFillSymbol multiLayerFillSymbol = new MultiLayerFillSymbolClass();
IGradientFillSymbol gradientFillSymbol = new GradientFillSymbolClass();
IAlgorithmicColorRamp algorithcColorRamp = new AlgorithmicColorRampClass();
algorithcColorRamp.FromColor = getRGB(255, 0, 0);
algorithcColorRamp.ToColor = getRGB(0, 255, 0);
algorithcColorRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
gradientFillSymbol.ColorRamp = algorithcColorRamp;
gradientFillSymbol.GradientAngle = 45;
gradientFillSymbol.GradientPercentage = 0.9;
gradientFillSymbol.Style = esriGradientFillStyle.esriGFSLinear;
ICartographicLineSymbol cartoLine = new CartographicLineSymbol();
cartoLine.Cap = esriLineCapStyle.esriLCSButt;
cartoLine.Join = esriLineJoinStyle.esriLJSMitre;
cartoLine.Color = getRGB(255, 0, 0);
cartoLine.Width = 2;
//Create the LineFillSymbo
ILineFillSymbol lineFill = new LineFillSymbol();
lineFill.Angle = 45;
lineFill.Separation = 10;
lineFill.Offset = 5;
lineFill.LineSymbol = cartoLine;
multiLayerFillSymbol.AddLayer(gradientFillSymbol);
multiLayerFillSymbol.AddLayer(lineFill);
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(multiLayerFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
public static IPolyline create_line(IPoint point1, IPoint point2)
{
IPolyline polyline = new Polyline() as IPolyline;
IPointCollection pt_cl = polyline as IPointCollection;
object o = Type.Missing;
pt_cl.AddPoint(point1, ref o, ref o);
pt_cl.AddPoint(point2, ref o, ref o);
polyline = pt_cl as IPolyline;
return(polyline);
}
private void QueryBoundsFromGeom(int hDC, ref IDisplayTransformation transform, ref IPolygon boundary,
ref IPointCollection points)
{
double map = 0;
double num = 0;
double map1 = 0;
num = this.PointsToMap(transform, this.m_dSize);
if (this.m_dXOffset != 0)
{
map = this.PointsToMap(transform, this.m_dXOffset);
}
if (this.m_dYOffset != 0)
{
map1 = this.PointsToMap(transform, this.m_dYOffset);
}
this.SetupDeviceRatio(hDC, transform);
IPointCollection pointCollection = null;
ISegmentCollection segmentCollection = null;
double num1 = 0;
double num2 = 0;
pointCollection = (IPointCollection)boundary;
segmentCollection = (ISegmentCollection)boundary;
num2 = num / 2;
num1 = Math.Sqrt(num2 * num2 / 2);
object value = Missing.Value;
IEnvelope envelope = (points as IGeometry).Envelope;
double num3 = 100;
double num4 = 200;
double num5 = -100;
double num6 = 400;
this.QueryBound(points, transform, out num3, out num4, out num5, out num6);
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
pointClass.PutCoords(num3, num4);
pointCollection.AddPoint(pointClass, ref value, ref value);
pointClass = new ESRI.ArcGIS.Geometry.Point();
pointClass.PutCoords(num5, num4);
pointCollection.AddPoint(pointClass, ref value, ref value);
pointClass = new ESRI.ArcGIS.Geometry.Point();
pointClass.PutCoords(num5, num6);
pointCollection.AddPoint(pointClass, ref value, ref value);
pointClass = new ESRI.ArcGIS.Geometry.Point();
pointClass.PutCoords(num3, num6);
pointCollection.AddPoint(pointClass, ref value, ref value);
pointClass = new ESRI.ArcGIS.Geometry.Point();
pointClass.PutCoords(num3, num4);
pointCollection.AddPoint(pointClass, ref value, ref value);
}
private static IGeometry CreateTurnGeometry(IPoint ptStart, IPoint ptVia, IPoint ptEnd, ISpatialReference sr)
{
IPolyline lineTurn = new PolylineClass();
lineTurn.SpatialReference = sr;
IPointCollection pcTurn = lineTurn as IPointCollection;
pcTurn.AddPoint(ptStart);
pcTurn.AddPoint(ptVia);
pcTurn.AddPoint(ptEnd);
return((IGeometry)lineTurn);
}
private void BuildTriangleGeometry(IPoint pointGeometry)
{
try
{
if (null == m_triangle || null == pointGeometry || null == m_cachedDisplay)
{
return;
}
m_triangle.SpatialReference = pointGeometry.SpatialReference;
m_triangle.SetEmpty();
object missing = System.Reflection.Missing.Value;
IPointCollection pointCollection = (IPointCollection)m_triangle;
double radius = PointsToMap(m_cachedDisplay.DisplayTransformation, m_size);
double X = pointGeometry.X;
double Y = pointGeometry.Y;
IPoint point = new PointClass();
point.X = X + radius * c_Cosine30;
point.Y = Y - 0.5 * radius;
pointCollection.AddPoint(point, ref missing, ref missing);
point = new PointClass();
point.X = X;
point.Y = Y + radius;
pointCollection.AddPoint(point, ref missing, ref missing);
point = new PointClass();
point.X = X - radius * c_Cosine30;
point.Y = Y - 0.5 * radius;
pointCollection.AddPoint(point, ref missing, ref missing);
m_triangle.Close();
if (m_rotation != 0.0)
{
((ITransform2D)pointCollection).Rotate(pointGeometry, m_rotation * c_Deg2Rad);
}
return;
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// </summary>
/// <param name="Display"></param>
/// <param name="Outline"></param>
public void QueryOutline(IDisplay Display, IPolygon Outline)
{
if (this.m_resetGeometry)
{
int mPCachedDisplay = this.m_pCachedDisplay.hDC;
Graphics graphic = null;
IntPtr hdc = (IntPtr)0;
if (mPCachedDisplay == 0)
{
graphic = Graphics.FromHwnd(new IntPtr((this.m_pCachedDisplay as IScreenDisplay).hWnd));
hdc = graphic.GetHdc();
mPCachedDisplay = hdc.ToInt32();
}
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
pointClass.PutCoords((this.m_pGeometry.XMin + this.m_pGeometry.XMax) / 2,
(this.m_pGeometry.YMax + this.m_pGeometry.YMin) / 2);
(this.m_NumeratorTextSymbol as ISymbol).QueryBoundary(mPCachedDisplay,
this.m_pCachedDisplay.DisplayTransformation, pointClass, Outline);
double width = Outline.Envelope.Width;
double height = Outline.Envelope.Height;
(this.m_DenominatorTextSymbol as ISymbol).QueryBoundary(mPCachedDisplay,
this.m_pCachedDisplay.DisplayTransformation, pointClass, Outline);
double num = Outline.Envelope.Width;
double height1 = Outline.Envelope.Height;
if (graphic != null)
{
graphic.ReleaseHdc(hdc);
}
double num1 = (width > num ? width : num) * 1.1;
double num2 = (height + height1) * 1.1;
this.m_pGeometry = new Envelope() as IEnvelope;
this.m_pGeometry.PutCoords(pointClass.X - num1 / 2, pointClass.X + num1 / 2, pointClass.Y - num2 / 2,
pointClass.Y + num2 / 2);
this.m_pGeometry.CenterAt(pointClass);
this.m_resetGeometry = false;
}
IDisplayTransformation displayTransformation = this.m_pCachedDisplay.DisplayTransformation;
Outline.SetEmpty();
object value = Missing.Value;
IPointCollection outline = Outline as IPointCollection;
outline.AddPoint(this.m_pGeometry.LowerLeft, ref value, ref value);
outline.AddPoint(this.m_pGeometry.LowerRight, ref value, ref value);
outline.AddPoint(this.m_pGeometry.UpperRight, ref value, ref value);
outline.AddPoint(this.m_pGeometry.UpperLeft, ref value, ref value);
outline.AddPoint(this.m_pGeometry.LowerLeft, ref value, ref value);
}
private void BuildTriangleGeometry(IPoint pointGeometry)
{
try
{
if ((this.m_triangle == null || pointGeometry == null ? false : null != this.m_cachedDisplay))
{
this.m_triangle.SpatialReference = pointGeometry.SpatialReference;
this.m_triangle.SetEmpty();
object value = Missing.Value;
IPointCollection mTriangle = (IPointCollection)this.m_triangle;
double map = this.PointsToMap(this.m_cachedDisplay.DisplayTransformation, this.m_size);
double x = pointGeometry.X;
double y = pointGeometry.Y;
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point()
{
X = x + map * 0.866025403784439,
Y = y - 0.5 * map
};
mTriangle.AddPoint(pointClass, ref value, ref value);
pointClass = new ESRI.ArcGIS.Geometry.Point()
{
X = x,
Y = y + map
};
mTriangle.AddPoint(pointClass, ref value, ref value);
pointClass = new ESRI.ArcGIS.Geometry.Point()
{
X = x - map * 0.866025403784439,
Y = y - 0.5 * map
};
mTriangle.AddPoint(pointClass, ref value, ref value);
this.m_triangle.Close();
if (this.m_rotation != 0)
{
((ITransform2D)mTriangle).Rotate(pointGeometry, this.m_rotation * 0.0174532925199433);
}
return;
}
else
{
return;
}
}
catch (Exception exception)
{
Trace.WriteLine(exception.Message);
}
}
/// <summary>
/// 更新位置
/// </summary>
/// <param name="pList">点集合</param>
/// <returns></returns>
public bool UpdatePosition(List <MapLngLat> pList)
{
IPointCollection pointCollection = base.Geometry as IPointCollection;
if (pointCollection == null)
{
return(false);
}
this.Dosomething((Action) delegate()
{
pointCollection.RemovePoints(0, pointCollection.PointCount);//清除集合内所有坐标点
IPoint p = new PointClass();
foreach (var item in pList)
{
p.PutCoords(item.Lng, item.Lat);
p.Z = item.Alt;
pointCollection.AddPoint(p);
}
if (this.Rasterize) //判断图元是否为栅格化
{
this.Rasterize = false;
base.Geometry = pointCollection as IGeometry;
this.Rasterize = true;
}
else
{
base.Geometry = pointCollection as IGeometry;
}
Update();
}, true);
return(true);
}
private static void ReadPointCollection(BinaryReader reader, WkbByteOrder byteOrder, IPointCollection pColl, bool hasZ, bool hasM)
{
if (pColl == null)
{
return;
}
// Get the number of points in this linestring.
int numPoints = (int)ReadUInt32(reader, byteOrder);
// Loop on the number of points in the ring.
for (int i = 0; i < numPoints; i++)
{
// Add the coordinate.
Point p = new Point(ReadDouble(reader, byteOrder), ReadDouble(reader, byteOrder));
pColl.AddPoint(p);
if (hasZ == true && hasM == true)
{
p.Z = ReadDouble(reader, byteOrder);
p.M = ReadDouble(reader, byteOrder);
}
else if (hasM == true)
{
p.M = ReadDouble(reader, byteOrder);
}
else if (hasZ == true)
{
p.Z = ReadDouble(reader, byteOrder);
}
}
}
public void ClosePart()
{
if (Part != null && Part.PointCount > 2)
{
Part.AddPoint(Part[0]);
}
}
public void ShowNavi()
{
IGraphicsContainer pGraphicsContainer = axMapControl1.Map as IGraphicsContainer;
IActiveView pActiveView = axMapControl1.Map as IActiveView;
// 得到“城市”图层
IFeatureLayer pFeatureLayer = axMapControl1.get_Layer(0) as IFeatureLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
int indexFlield = pFeatureClass.Fields.FindField("PointName");
IPolyline pPolyline = new PolylineClass();
IPointCollection pPointCollection = pPolyline as IPointCollection;
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.AddField("PointName");
foreach (string staString in opPath)
{
pQueryFilter.WhereClause = "PointName='" + staString + "'";
IFeatureCursor pCursor = pFeatureClass.Search(pQueryFilter, true);
IFeature pFeature = pCursor.NextFeature();
System.Runtime.InteropServices.Marshal.ReleaseComObject(pCursor);
GC.Collect();
GC.WaitForPendingFinalizers();
if (pFeature != null)
{
ESRI.ArcGIS.Geometry.Point pPoint = pFeature.Shape as ESRI.ArcGIS.Geometry.Point;
pPointCollection.AddPoint(pPoint);
}
}
object pSym = null;
IRgbColor pColor;
pColor = new RgbColorClass();
pColor.Red = 0;
pColor.Blue = 255;
pColor.Green = 0;
pSym = new SimpleLineSymbolClass();
ISimpleLineSymbol pSym1 = pSym as ISimpleLineSymbol;
pSym1.Width = 6;
pSym1.Style = esriSimpleLineStyle.esriSLSDash;
pSym1.Color = pColor;
ILineElement pLienElement = new LineElementClass();
pLienElement.Symbol = pSym1;
IElement pElement = pLienElement as IElement;
pElement.Geometry = pPolyline as IGeometry;
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private IGeometry GetGeometry(IGeometry baseGeometry)
{
IGeometry geometry;
IPolyline polyline = new PolylineClass();
polyline.SpatialReference = baseGeometry.SpatialReference;
geometry = polyline as IGeometry;
IPointCollection targetPointCollection = geometry as IPointCollection;
IPointCollection basePointCollection = baseGeometry as IPointCollection;
object missing = Type.Missing;
for (int i = 0; i < basePointCollection.PointCount; i++)
{
targetPointCollection.AddPoint(basePointCollection.get_Point(i), ref missing, ref missing);
}
MakeZAware(geometry);
return(geometry);
}
private IPolyline ConvertFrom(GeoAPI.Geometries.IMultiLineString lines)
{
if (lines == null)
{
return(null);
}
IPolyline polyline = new PolylineClass();
IGeometryCollection paths = lines as IGeometryCollection;
foreach (GeoAPI.Geometries.ILineString line in lines.Geometries)
{
IPath path = new PathClass();
IPointCollection pointCollection = path as IPointCollection;
object Missing = Type.Missing;
IPoint point = new PointClass();
foreach (GeoAPI.Geometries.ICoordinate coordinate in line.Coordinates)
{
point.X = coordinate.X;
point.Y = coordinate.Y;
point.Z = coordinate.Z;
pointCollection.AddPoint(point, ref Missing, ref Missing);
}
paths.AddGeometry(path, ref Missing, ref Missing);
}
return(polyline);
}
//添加控制点
private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if (IsAddingPoint && e.button == 1)
{
if (!AddingToPoint)
{
IPoint fromP = new PointClass();
fromP.PutCoords(e.mapX, e.mapY);
fromPoint.AddPoint(fromP);
DrawPoints();
AddingToPoint = true;
ApplyButton.Enabled = false;
}
else
{
IPoint toP = new PointClass();
toP.PutCoords(e.mapX, e.mapY);
toPoint.AddPoint(toP);
DrawPoints();
AddingToPoint = false;
ApplyButton.Enabled = true;
AddPoint();
}
}
if (e.button == 4)
{
axMapControl1.Pan();
}
}
//----------------------------------------------------------------------------------
public static IPolyline MaakPolyline()
{
//Declaraties en initialisaties
IPolyline pPolyline = new PolylineClass();
IGeometryCollection pGCol = (IGeometryCollection)pPolyline;
IZAware pZAware = (IZAware)pPolyline;
pZAware.ZAware = ImportInArcscene.ZBoolean;
int aantalpaths = ImportInArcscene.binReader.ReadInt32();
for (int i = 1; i <= aantalpaths; i++)
{
IPath pPath = new PathClass();
IPointCollection pPointCol = (IPointCollection)pPath;
int aantalvertices = ImportInArcscene.binReader.ReadInt32();
for (int k = 1; k <= aantalvertices; k++)
{
double ptx = ImportInArcscene.binReader.ReadSingle();
double pty = ImportInArcscene.binReader.ReadSingle();
double ptz = ImportInArcscene.binReader.ReadSingle();
pPointCol.AddPoint(PuntTransformatie(ptx, pty, ptz), ref _missing, ref _missing);
}
pGCol.AddGeometry(pPath, ref _missing, ref _missing);
}
return(pPolyline);
}
/// <summary>
/// 更新线的位置
/// </summary>
/// <param name="pList">经纬度列表</param>
/// <returns></returns>
public bool UpdatePosition(List <MapLngLat> pList)
{
IPointCollection pointCollection = base.Geometry as IPointCollection;
if (pointCollection != null)
{
pointCollection.RemovePoints(0, pointCollection.PointCount); // 清空之前的点，再添加新点
for (int i = 0; i < pList.Count; i++)
{
IPoint point = new PointClass();
point.PutCoords(pList[i].Lng, pList[i].Lat);
point.Z = pList[i].Alt;
(point as IZAware).ZAware = true;
pointCollection.AddPoint(point);
}
Dosomething((Action) delegate()
{
int outIndex = -1;
graphcisLayer.FindElementIndex(this, out outIndex);
if (outIndex > 0)
{
base.Geometry = pointCollection as IGeometry;
graphcisLayer.UpdateElementByIndex(outIndex);
}
}, true);
return(true);
}
return(false);
}
private IPolygon GetRegionPolygon(string fileName)
{
try
{
object Missing = Type.Missing;
double dblX, dblY;
string strXY;
IPoint p;
IPolygon pPlyRegion = new PolygonClass();
IPointCollection pPointCol = pPlyRegion as IPointCollection;
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
sr = new StreamReader(fs, Encoding.Default);
this.Read();
for (int i = 0; i < m_arrVertex.Count; i++)
{
strXY = m_arrVertex[i].ToString();
dblX = double.Parse(strXY.Split(new char[] { ',' })[0]);
dblY = double.Parse(strXY.Split(new char[] { ',' })[1]);
p = new PointClass();
p.PutCoords(dblX, dblY);
pPointCol.AddPoint(p, ref Missing, ref Missing);
}
m_arrVertex.Clear();
return(pPlyRegion);
}
catch (System.Exception ex)
{
return(null);
}
}
/// <summary>
/// 更新位置
/// </summary>
/// <param name="oldLngLat">原来的位置</param>
/// <param name="newLngLat">新的位置</param>
/// <returns></returns>
public bool UpdatePosition(MapLngLat oldLngLat, MapLngLat newLngLat)
{
this.Dosomething((Action) delegate()
{
IPoint newPoint = new PointClass();
newPoint.PutCoords(newLngLat.Lng, newLngLat.Lat);
newPoint.Z = newLngLat.Alt;
IPoint oldPoint = new PointClass()
{
X = oldLngLat.Lng, Y = oldLngLat.Lat, Z = oldLngLat.Alt
};
IPointCollection pointCollection = base.Geometry as IPointCollection;
for (int i = 0; i < pointCollection.PointCount; i++)
{
if (pointCollection.get_Point(i).Compare(oldPoint) == 0)
{
pointCollection.RemovePoints(i, 1);
pointCollection.AddPoint(newPoint);
break;
}
}
base.Geometry = pointCollection as IGeometry;
Update();
}, true);
return(true);
}
/// <summary>
/// 单机时运行
/// </summary>
/// <param name="clickPT">单机的地图点</param>
public void OnMouseDownRun(IPoint clickPT)
{
if (polygonFeedback == null)
{
polygonFeedback = new NewPolygonFeedbackClass();
polygonFeedback.Display = (mapControl.Map as IActiveView).ScreenDisplay;
pointCollection.RemovePoints(0, pointCollection.PointCount);
polygonFeedback.Start(clickPT);
pointCollection.AddPoint(clickPT, Type.Missing, Type.Missing);
}
else
{
polygonFeedback.AddPoint(clickPT);
pointCollection.AddPoint(clickPT, Type.Missing, Type.Missing);
}
}
/// <summary>
/// ��ȡ�ַ�ͼ����ָ��Ŀ��ͼ��ķ�Χ��С������ͼ�����ֶε�ֵ
/// </summary>
/// <param name="ipFeatrueClass">�ӱ�Ҫ����</param>
/// <param name="ipBoundFeatureClass">��ΧҪ����</param>
/// <param name="strTuFuNumFieldName">ͼ�����ֶ���</param>
/// <param name="ipEnvelope"></param>
/// <param name="nTuFuFieldIndex"></param>
/// <param name="aryNumber">ͼ��������</param>
/// <param name="ipPointCollection"></param>
/// <returns>�ɹ�����true,����false</returns>
private IEnvelope GetCutlineNumber(IFeatureClass ipFeatrueClass,
IFeatureClass ipBoundFeatureClass,
string strTuFuNumFieldName,
IEnvelope ipEnvelope,
ref int nTuFuFieldIndex, ref List<string> aryNumber,
IPointCollection ipPointCollection)
{
try
{
if (ipEnvelope == null) return null;
// //���Դ���
// BSTR bstrTuFuNum = strTuFuNumFieldName.AllocSysString();
//ipTable.FindField(bstrTuFuNum,&nIndex);
//���ͼ�����ֶε�����
ITable ipTable = (ITable) ipBoundFeatureClass;
int nIndex = ipTable.FindField(strTuFuNumFieldName);
if (nIndex == -1)
{
return null;
}
IEnvelope ipTuFuMaxEnvelope = new EnvelopeClass();
nTuFuFieldIndex = nIndex;
//���ÿռ�����
ISpatialFilter ipSpatialFilter = new SpatialFilterClass();
ipSpatialFilter.AddField(strTuFuNumFieldName);
IGeometry ipGeo = ipEnvelope;
ipSpatialFilter.Geometry = ipGeo;
string bstrSharpFieldName = ipBoundFeatureClass.ShapeFieldName;
ipSpatialFilter.GeometryField = bstrSharpFieldName;
ipSpatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
//���пռ��ѯ,����ȡ��ͼ�����ֶε�ֵ
IFeatureCursor ipFeatureCursor = ipBoundFeatureClass.Search(ipSpatialFilter, false);
if (ipFeatureCursor == null)
{
return null;
}
IGeometry ipGeometry;
IGeometry ipPolygonGeometry;
IPolygon2 ipPolygon;
IRing ipRing;
IFeature ipFeature = ipFeatureCursor.NextFeature();
IEnvelope ipTuFuEnvelope = ipFeature.Extent;
double dMinX = 0.0;
double dMaxX = 0.0;
double dMinY = 0.0;
double dMaxY = 0.0;
double dTMinX = 0.0;
double dTMaxX = 0.0;
double dTMinY = 0.0;
double dTMaxY = 0.0;
dMinX = ipTuFuEnvelope.XMin;
dMaxX = ipTuFuEnvelope.XMax;
dMinY = ipTuFuEnvelope.YMin;
dMaxY = ipTuFuEnvelope.YMax;
IPoint ipPoint = new PointClass();
int nPointCount = 0;
while (ipFeature != null)
{
object varTuFu = ipFeature.get_Value(nIndex);
string str = varTuFu.ToString();
aryNumber.Add(str);
ipTuFuEnvelope = ipFeature.Extent;
dTMinX = ipTuFuEnvelope.XMin;
dTMaxX = ipTuFuEnvelope.XMax;
dTMinY = ipTuFuEnvelope.YMin;
dTMaxY = ipTuFuEnvelope.YMax;
if (dTMinX < dMinX)
dMinX = dTMinX;
if (dTMaxX > dMaxX)
dMaxX = dTMaxX;
if (dTMinY < dMinY)
dMinY = dTMinY;
if (dTMaxY > dMaxY)
dMaxY = dTMaxY;
object obj = Type.Missing;
ipPoint.X = dTMinX;
ipPoint.Y = dTMinY;
ipPointCollection.AddPoint(ipPoint, ref obj, ref obj);
ipPoint.X = dTMinX;
ipPoint.Y = dTMaxY;
ipPointCollection.AddPoint(ipPoint, ref obj, ref obj);
ipPoint.X = dTMaxX;
ipPoint.Y = dTMinY;
ipPointCollection.AddPoint(ipPoint, ref obj, ref obj);
ipPoint.X = dTMaxX;
ipPoint.Y = dTMaxY;
ipPointCollection.AddPoint(ipPoint, ref obj, ref obj);
ipFeature = ipFeatureCursor.NextFeature();
}
ipTuFuMaxEnvelope.XMin = dMinX;
ipTuFuMaxEnvelope.XMax = dMaxX;
ipTuFuMaxEnvelope.YMin = dMinY;
ipTuFuMaxEnvelope.YMax = dMaxY;
return ipTuFuMaxEnvelope;
}
catch (Exception ex)
{
SendMessage(enumMessageType.Exception, ex.ToString());
return null;
}
}
// Adds Directions points to point collection
private void AddPointsToPolyline(ISMDirections objDirections, ref IPointCollection objPoints)
{
Point objPoint = new PointClass();
// copy points from DD to line
int nItemsCount = objDirections.Count;
for (int i = 0; i < nItemsCount; i++)
{
// get shape from Direction
ISMDirItem objItem = null;
objItem = objDirections.get_Item(i) as ISMDirItem;
ISMPointsCollection objShape = null;
objShape = objItem.Shape;
// Add point from Direction to received collection
int nPointsCount = objShape.Count - 1;
for (int j = 0; j <= nPointsCount; j++)
{
// get point from route
SMRouterPoint objRouterPoint = objShape.get_Item(j);
// Optimization: Not add point if last added point has similar coords
bool bAddPoint = false;
if (objPoint.IsEmpty)
bAddPoint = true;
else if ((objPoint.X != objRouterPoint.X) & (objPoint.Y != objRouterPoint.Y))
bAddPoint = true;
if (bAddPoint)
{
// Add point if need
objPoint.X = objRouterPoint.X;
objPoint.Y = objRouterPoint.Y;
objPoint.SpatialReference = m_objSpatialReference;
object missing = System.Reflection.Missing.Value;
objPoints.AddPoint(objPoint, ref missing, ref missing);
}
}
}
}
private void createpolygon(IPointCollection ippoints)
{
ISegmentCollection ppath = new PathClass();
IGeometryCollection ppolyline = new PolylineClass();
if (ippoints.PointCount >= 3)
{
int i;
object o = Type.Missing;
if (ippoints.PointCount >= 4)
{
ippoints.RemovePoints(ippoints.PointCount - 2, 1);
}
ippoints.AddPoint(ippoints.get_Point(0));
for (i = 0; i < ippoints.PointCount - 1; i++)
{
ILine pline = new LineClass();
pline.PutCoords(ippoints.get_Point(i), ippoints.get_Point(i + 1));
ISegment psegment = pline as ISegment;
ppath.AddSegment(psegment, ref o, ref o);
ppolyline.AddGeometry(ppath as IGeometry, ref o, ref o);
}
ipPolyResult = ppolyline as IPolyline;
ISegmentCollection pRing = new RingClass();
IGeometryCollection pGeometryColl = new PolygonClass();
for (int j = 0; j < ppolyline.GeometryCount; j++)
{
pRing.AddSegmentCollection(ppolyline.get_Geometry(j) as ISegmentCollection);
pGeometryColl.AddGeometry(pRing as IGeometry, ref o, ref o);
}
ipolygon = pGeometryColl as IPolygon;
}
}
private void axMapControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
{
//If left hand mouse button
if (e.button == 1)
{
//Create a point and grab hold of the IPoint interface
IPoint point = new PointClass();
//Set point properties
point.X = e.mapX;
point.Y = e.mapY;
//If this is the first point of a new line
if (m_Polyline == null)
{
//Create the forms private polyline member and grab hold of the IPolyline interface
m_Polyline = new PolylineClass();
}
//QI for the IPointsCollection interface using the IPolyline interface
object o = Type.Missing;
//object o1 = m_PointCollection.PointCount-1;
m_PointCollection = (IPointCollection) m_Polyline;
m_PointCollection.AddPoint(point, ref o, ref o);
//Refresh the foreground thereby removing any text annotation
axMapControl1.Refresh(esriViewDrawPhase.esriViewForeground, Type.Missing,Type.Missing);
}
else
{
//If right or middle mouse button zoom to user defined rectangle
//Create an envelope and grab hold of the IEnvelope interface
IEnvelope envelope = axMapControl1.TrackRectangle();
//If user dragged a rectangle
if (envelope != null)
{
//Set map controls extent property
axMapControl1.Extent = envelope;
}
}
}
private void buildPolyline(IPointCollection pGonColl, double x, double y)
{
m_workPts[0].PutCoords(x - 500, y - 500);
m_workPts[1].PutCoords(x + 500, y - 500);
m_workPts[2].PutCoords(x + 500, y + 500);
m_workPts[3].PutCoords(x - 500, y + 500);
m_workPts[4].PutCoords(x, y);
try
{
bool add = (pGonColl.PointCount == 0);
object missingVal = System.Reflection.Missing.Value;
for (int i = 0; i< m_workPts.Length; i++)
{
((IZAware)m_workPts[i]).ZAware = m_bZ;
((IMAware)m_workPts[i]).MAware = m_bM;
if (m_bM)
m_workPts[i].M = i;
if (m_bZ)
m_workPts[i].Z = i * 100;
//add it point by point - .Net IDL limitation to do batch update?
if (add) //pGonColl.AddPoints(5, ref m_workPts[0]);//strange error of type mismatch
pGonColl.AddPoint(m_workPts[i], ref missingVal, ref missingVal); //The Add method only accepts either a before index or an after index.
else
pGonColl.UpdatePoint(i, m_workPts[i]);
}
//Can I user replace point collection or addPointcollection?
}
catch (Exception Ex)
{System.Diagnostics.Debug.WriteLine(Ex.Message);}
//Attempted to store an element of the incorrect type into the array.
}
private void buildPolygon(IPointCollection pGonColl, double x, double y)
{
m_workPts[0].PutCoords(x - 500, y - 500);
m_workPts[1].PutCoords(x + 500, y - 500);
m_workPts[2].PutCoords(x + 500, y + 500);
m_workPts[3].PutCoords(x - 500, y + 500);
m_workPts[4].PutCoords(x - 500, y - 500);
try
{
bool add = (pGonColl.PointCount == 0);
object missingVal = System.Reflection.Missing.Value;
for (int i = 0; i< m_workPts.Length; i++)
{
((IZAware)m_workPts[i]).ZAware = m_bZ;
((IMAware)m_workPts[i]).MAware = m_bM;
if (m_bM)
m_workPts[i].M = i % 4;
if (m_bZ)
m_workPts[i].Z = (i % 4) * 100; //match start and end points
if (add)
pGonColl.AddPoint(m_workPts[i], ref missingVal, ref missingVal); //The Add method only accepts either a before index or an after index.
else
pGonColl.UpdatePoint(i, m_workPts[i]);
}
}
catch (Exception Ex)
{System.Diagnostics.Debug.WriteLine(Ex.Message);}
//Attempted to store an element of the incorrect type into the array.
}