/// <summary>
/// Updates the m_Polyline and MeasureItemsCollection based on the progress
/// reported by <see cref="Esri.ArcGISRuntime.Controls.Editor"/>
/// </summary>
/// <param name="status"></param>
private void OnStatusReported(GeometryEditStatus status)
{
var polyline = status.NewGeometry as Polyline;
// Only reset display when first vertex is committed.
if (polyline != null && polyline.Parts != null && polyline.Parts.Count > 0)
{
var vertices = polyline.Parts[0].GetPoints();
if (vertices != null && vertices.Count() == 1)
{
ResetDisplay();
}
}
switch (status.GeometryEditAction)
{
case GeometryEditAction.AddedVertex:
{
MeasureItemCollection.Insert(status.VertexPosition.CoordinateIndex,
new MeasureItem()
{
Location = status.NewVertex,
LinearUnitType = LinearUnitType,
CoordinateFormat = CoordinateFormat
});
break;
}
case GeometryEditAction.DeletedVertex:
{
MeasureItemCollection.RemoveAt(status.VertexPosition.CoordinateIndex);
break;
}
default:
{
MeasureItemCollection.Clear();
if (polyline != null && polyline.Parts != null)
{
foreach (var p in polyline.Parts[0].GetPoints())
{
MeasureItemCollection.Add(new MeasureItem()
{
Location = p,
LinearUnitType = LinearUnitType,
CoordinateFormat = CoordinateFormat
});
}
}
break;
}
}
UpdateDisplay(polyline);
}
private void OnStatusUpdated(GeometryEditStatus status)
{
_measurements.Clear();
var polyline = status.NewGeometry as Polyline;
if (polyline == null || polyline.Parts == null || polyline.Parts.Count == 0)
return;
var vertices = polyline.Parts[0].GetPoints();
if (vertices == null || !vertices.Any())
return;
var count = vertices.Count();
if (count <= 1)
return;
MapPoint previous = null;
int i = 1;
foreach (var point in vertices)
{
if (previous == null)
{
previous = point;
continue;
}
var lineSegment = new Polyline(new MapPoint[] {previous, point}, polyline.SpatialReference);
var intermediateLength = GeometryEngine.GeodesicLength(lineSegment);
_measurements.Add(string.Format("[{0}-{1}]\t:\t{2:0} m\n", i, i + 1, intermediateLength));
previous = point;
i++;
}
var totalLength = GeometryEngine.GeodesicLength(polyline);
TotalLength.Text = string.Format("Total Length\t:\t{0:0} m\n", totalLength);
if (count <= 2)
return;
var layer = MyMapView.Map.Layers["ResultLayer"] as GraphicsLayer;
if (layer == null)
return;
var graphic = layer.Graphics.FirstOrDefault();
var polygon = new Polygon(vertices, polyline.SpatialReference);
if (graphic != null)
graphic.Geometry = polygon;
else
layer.Graphics.Add(new Graphic(polygon));
if (count <= 1)
return;
if (count <= 2)
return;
var area = GeometryEngine.GeodesicArea(polygon);
TotalArea.Text = string.Format("Area\t\t:\t{0:0} m²\n", area);
}
/// <summary>
/// Updates the m_Polyline and MeasureItemsCollection based on the progress
/// reported by <see cref="Esri.ArcGISRuntime.Controls.Editor"/>
/// </summary>
/// <param name="status"></param>
private void OnStatusReported(GeometryEditStatus status)
{
var polyline = status.NewGeometry as Polyline;
switch (status.GeometryEditAction)
{
case GeometryEditAction.AddedVertex:
{
MeasureItemCollection.Insert(status.VertexPosition.CoordinateIndex,
new MeasureItem()
{
Location = status.NewVertex,
LinearUnitType = LinearUnitType,
CoordinateFormat = CoordinateFormat
});
break;
}
case GeometryEditAction.DeletedVertex:
{
MeasureItemCollection.RemoveAt(status.VertexPosition.CoordinateIndex);
break;
}
default:
{
MeasureItemCollection.Clear();
if (polyline != null)
{
foreach (var p in polyline.Paths[0])
{
MeasureItemCollection.Add(new MeasureItem()
{
Location = new MapPoint(p, polyline.SpatialReference),
LinearUnitType = LinearUnitType,
CoordinateFormat = CoordinateFormat
});
}
}
break;
}
}
UpdateDisplay(polyline);
}
/// <summary>
/// Updates the m_Polyline and MeasureItemsCollection based on the progress
/// reported by <see cref="Esri.ArcGISRuntime.Controls.Editor"/>
/// </summary>
/// <param name="status"></param>
private void OnStatusReported(GeometryEditStatus status)
{
var polyline = status.NewGeometry as Polyline;
// Only reset display when first vertex is committed.
if (polyline != null && polyline.Parts != null && polyline.Parts.Count > 0)
{
var vertices = polyline.Parts[0].GetPoints();
if (vertices != null && vertices.Count() == 1)
ResetDisplay();
}
switch (status.GeometryEditAction)
{
case GeometryEditAction.AddedVertex:
{
MeasureItemCollection.Insert(status.VertexPosition.CoordinateIndex,
new MeasureItem()
{
Location = status.NewVertex,
LinearUnitType = LinearUnitType,
CoordinateFormat = CoordinateFormat
});
break;
}
case GeometryEditAction.DeletedVertex:
{
MeasureItemCollection.RemoveAt(status.VertexPosition.CoordinateIndex);
break;
}
default:
{
MeasureItemCollection.Clear();
if (polyline != null && polyline.Parts != null)
{
foreach (var p in polyline.Parts[0].GetPoints())
{
MeasureItemCollection.Add(new MeasureItem()
{
Location = p,
LinearUnitType = LinearUnitType,
CoordinateFormat = CoordinateFormat
});
}
}
break;
}
}
UpdateDisplay(polyline);
}
private void OnStatusUpdated(GeometryEditStatus status)
{
_measurements.Clear();
var polyline = status.NewGeometry as Polyline;
if (polyline == null || polyline.Parts == null || polyline.Parts.Count == 0)
{
return;
}
var vertices = polyline.Parts[0].GetPoints();
if (vertices == null || !vertices.Any())
{
return;
}
var count = vertices.Count();
if (count <= 1)
{
return;
}
MapPoint previous = null;
int i = 1;
foreach (var point in vertices)
{
if (previous == null)
{
previous = point;
continue;
}
var lineSegment = new Polyline(new MapPoint[] { previous, point }, polyline.SpatialReference);
var intermediateLength = GeometryEngine.GeodesicLength(lineSegment);
_measurements.Add(string.Format("[{0}-{1}]\t:\t{2:0} m\n", i, i + 1, intermediateLength));
previous = point;
i++;
}
var totalLength = GeometryEngine.GeodesicLength(polyline);
TotalLength.Text = string.Format("Total Length\t:\t{0:0} m\n", totalLength);
if (count <= 2)
{
return;
}
var layer = MyMapView.Map.Layers["ResultLayer"] as GraphicsLayer;
if (layer == null)
{
return;
}
var graphic = layer.Graphics.FirstOrDefault();
var polygon = new Polygon(vertices, polyline.SpatialReference);
if (graphic != null)
{
graphic.Geometry = polygon;
}
else
{
layer.Graphics.Add(new Graphic(polygon));
}
if (count <= 1)
{
return;
}
if (count <= 2)
{
return;
}
var area = GeometryEngine.GeodesicArea(polygon);
TotalArea.Text = string.Format("Area\t\t:\t{0:0} m²\n", area);
}
