/// <summary>
/// Construct Offset
/// </summary>
/// <param name="polyline">object polyline</param>
/// <param name="point">value of offset</param>
/// <param name="offset">offset point</param>
/// <returns>point with offset</returns>
internal static IPoint ConstructOffset(IPolyline polyline, IPoint point, double?offset)
{
if (polyline == null || polyline.IsEmpty)
{
return(null);
}
if (point == null || point.IsEmpty)
{
return(null);
}
if ((!offset.HasValue) || double.IsNaN(offset.Value) || offset.Value == 0.0)
{
return(point);
}
double distanceAlongCurve = 0;
double distanceFromCurve = 0;
bool rightSide = false;
IPoint outPoint = new PointClass();
polyline.QueryPointAndDistance(esriSegmentExtension.esriNoExtension, point, false, outPoint, ref distanceAlongCurve, ref distanceFromCurve, ref rightSide);
IConstructPoint constructPoint = outPoint as IConstructPoint;
constructPoint.ConstructOffset(polyline, esriSegmentExtension.esriNoExtension, distanceAlongCurve, false, offset.Value);
return(constructPoint as IPoint);
}
public static IPoint ConstructPoint_AngleDistance(IPoint point, double angle, double distance)
{
IPoint pPoint = new PointClass();
IConstructPoint pConstructPoint = pPoint as IConstructPoint;
pConstructPoint.ConstructAngleDistance(point, angle, distance);
return(pPoint);
}
public void ConstructPointParallelToLine(IPolyline Path)
{
IWorkspaceEdit WorkspaceEdit = null;
try
{
if (Path != null)
{
if (Path.GeometryType == esriGeometryType.esriGeometryPolyline)
{
firstLine = false;
widthPointsMain = new List <IPoint>();
heigthPoints = new List <IPoint>();
widthPoints = new List <IPoint>();
IFeatureClass rectsFeatureClass = ((IFeatureLayer)lstLayers[cboLayers.SelectedIndex]).FeatureClass;
IWorkspace workspace = ((IDataset)rectsFeatureClass).Workspace;
WorkspaceEdit = (IWorkspaceEdit)workspace;
if (!WorkspaceEdit.IsBeingEdited())
{
WorkspaceEdit.StartEditing(true);
}
WorkspaceEdit.StartEditOperation();
IConstructPoint constructionPoint = (IConstructPoint) new ESRI.ArcGIS.Geometry.Point();
IGeometryCollection geometryCollection = Path as IGeometryCollection;
ISegmentCollection segmentCollection = geometryCollection.get_Geometry(0) as ISegmentCollection;
widthSegment = segmentCollection.get_Segment(0);
heightSegment = segmentCollection.get_Segment(1);
IPoint fromPoint = new ESRI.ArcGIS.Geometry.Point();
heightSegment.QueryFromPoint(fromPoint);
widthPointsMain.Add(fromPoint);
IRgbColor rgbColor = GetColor(255, 0, 0);
//AddGraphicToMap((IMap)GetActiveView, fromPoint, rgbColor, rgbColor);
//GetActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
widthSegment.ReverseOrientation();
double distanceAlongWidthBunderiesPoints = 0;
double distanceAlongHeightBunderiesPoints = 0;
for (int i = 0; i < NumberOfRectsinWidth; i++)
{
IPoint qpWidthSegment = GetQPWidthSegment(distanceAlongWidthBunderiesPoints + Widthofrects);
if (qpWidthSegment == null)
{
return;
}
widthPointsMain.Add(qpWidthSegment);
//AddGraphicToMap((IMap)GetActiveView, qpWidthSegment, rgbColor, rgbColor);
if (i != NumberOfRectsinWidth - 1)
{
IPoint qpWidthSegmentWithDistance = GetQPWidthSegment(distanceAlongWidthBunderiesPoints + Widthofrects + distanceAlongWidth);
//AddGraphicToMap((IMap)GetActiveView, qpWidthSegmentWithDistance, rgbColor, rgbColor);
widthPointsMain.Add(qpWidthSegmentWithDistance);
}
distanceAlongWidthBunderiesPoints = (Widthofrects + distanceAlongWidth) * (i + 1);
}
for (int i = 0; i < NumberOfRectsinHeigth; i++)
{
IPoint qpHeightSegment = GetQPHeightSegment(distanceAlongHeightBunderiesPoints + Heigthofrects);
if (qpHeightSegment == null)
{
return;
}
heigthPoints.Add(qpHeightSegment);
//AddGraphicToMap((IMap)GetActiveView, qpHeightSegment, rgbColor, rgbColor);
if (i != NumberOfRectsinHeigth - 1)
{
IPoint qpHeightSegmentWithDistance = GetQPHeightSegment(distanceAlongHeightBunderiesPoints + Heigthofrects + distanceAlongHeigth);
//AddGraphicToMap((IMap)GetActiveView, qpHeightSegmentWithDistance, rgbColor, rgbColor);
heigthPoints.Add(qpHeightSegmentWithDistance);
}
distanceAlongHeightBunderiesPoints = (Heigthofrects + distanceAlongHeigth) * (i + 1);
}
for (int j = 0; j < heigthPoints.Count; j++)
{
constructionPoint.ConstructParallel(widthSegment, esriSegmentExtension.esriExtendAtTo, heigthPoints[j], Widthofrects);
IPoint outPutPoint = constructionPoint as IPoint;
IPath newPath = (IPath) new ESRI.ArcGIS.Geometry.Path();
newPath.FromPoint = heigthPoints[j];
newPath.ToPoint = outPutPoint;
if (!firstLine)
{
widthPoints.Add(heigthPoints[j]);
}
else
{
widthPointsMain.Add(heigthPoints[j]);
}
distanceAlongWidthBunderiesPoints = 0;
for (int i = 0; i < NumberOfRectsinWidth; i++)
{
IPoint qpWidthSegment = GetQPWidthNewSegment(newPath, distanceAlongWidthBunderiesPoints + Widthofrects);
if (qpWidthSegment == null)
{
return;
}
if (!firstLine)
{
widthPoints.Add(qpWidthSegment);
}
else
{
widthPointsMain.Add(qpWidthSegment);
}
//AddGraphicToMap((IMap)GetActiveView, qpWidthSegment, rgbColor, rgbColor);
if (i != NumberOfRectsinWidth - 1)
{
IPoint qpWidthSegmentWithDistance = GetQPWidthNewSegment(newPath, distanceAlongWidthBunderiesPoints + Widthofrects + distanceAlongWidth);
//AddGraphicToMap((IMap)GetActiveView, qpWidthSegmentWithDistance, rgbColor, rgbColor);
if (!firstLine)
{
widthPoints.Add(qpWidthSegmentWithDistance);
}
else
{
widthPointsMain.Add(qpWidthSegmentWithDistance);
}
}
//widthPoints.Add(qpWidthSegment);
//widthPoints.Add(qpWidthSegmentWithDistance);
distanceAlongWidthBunderiesPoints = (Widthofrects + distanceAlongWidth) * (i + 1);
}
//IRgbColor rgbColor1 = GetColor(0, 255, 0);
if (widthPoints.Count > 0 && widthPointsMain.Count > 0)
{
//IFeatureClass rectsFeatureClass = getFeatureClass.GetFeatureClassFromShapefileOnDisk(shapefileLocation, out workspace);
if (rectsFeatureClass == null)
{
return;
}
createRects.FeatureClass = rectsFeatureClass;
createRects.SpatialReference = ((IGeoDataset)rectsFeatureClass).SpatialReference;
createRects.WidthPoints = widthPoints;
createRects.WidthPointsMain = widthPointsMain;
createRects.CreateFeatures();
widthPoints.Clear();
widthPointsMain.Clear();
//if(!ShapefileIsAdded()) AddShapefile(GetActiveView, shapefileLocation);
}
firstLine = !firstLine;
//AddGraphicToMap((IMap)GetActiveView, outPutPoint, rgbColor1, rgbColor1);
}
labelStatus.Text = "It's done.";
WorkspaceEdit.StopEditOperation();
WorkspaceEdit.StopEditing(true);
GetActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
GetActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
}
}
catch (Exception ex)
{
Path = null;
graphicsContainer.DeleteAllElements();
labelStatus.Text = ex.Message;
if (WorkspaceEdit != null)
{
if (WorkspaceEdit.IsBeingEdited())
{
WorkspaceEdit.AbortEditOperation();
WorkspaceEdit.StopEditing(false);
}
}
GetActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
}