private void DoOffset()
{
if (selectedParcelGraphic != null)
{
offsetGraphicsLayer.Graphics.Clear();
try
{
var offsetGeom = GeometryEngine.Offset(
selectedParcelGraphic.Geometry,
OffsetDistanceSlider.Value,
(OffsetType)OffsetTypeComboBox.SelectedItem,
OffsetBevelRatioSlider.Value,
OffsetFlattenErrorSlider.Value
);
if (offsetGeom != null)
{
offsetGraphicsLayer.Graphics.Add(new Graphic {
Geometry = offsetGeom
});
}
}
catch (Exception ex)
{
var dlg = new Windows.UI.Popups.MessageDialog(ex.Message);
var _ = dlg.ShowAsync();
}
}
}
private void DoOffset()
{
if (_selectedParcelGraphic != null)
{
_offsetOverlay.Graphics.Clear();
try
{
var offsetGeom = GeometryEngine.Offset(
_selectedParcelGraphic.Geometry,
OffsetDistanceSlider.Value,
(OffsetType)OffsetTypeComboBox.SelectedItem,
OffsetBevelRatioSlider.Value,
OffsetFlattenErrorSlider.Value);
if (offsetGeom != null)
{
_offsetOverlay.Graphics.Add(new Graphic {
Geometry = offsetGeom
});
}
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message).ShowAsync();
}
}
}
// Accept user click point, find a target parcel, and create an offset polygon graphic
private async Task SelectTargetGeometryAsync()
{
Graphic graphic = null;
while (graphic == null)
{
var point = await mapView.Editor.RequestPointAsync();
graphic = await parcelLayer.HitTestAsync(mapView, mapView.LocationToScreen(point));
if (graphic == null)
{
continue;
}
double distance = (double)(int?)comboSize.SelectedItem;
if ((bool)checkDirection.IsChecked)
{
distance *= -1;
}
OffsetType offsetType = (OffsetType)comboOffsetType.SelectedValue;
var offset = GeometryEngine.Offset(graphic.Geometry, distance, offsetType, 1.15, 0.0);
offsetLayer.Graphics.Clear();
offsetLayer.Graphics.Add(new Graphic(offset));
}
}
private void DoOffset()
{
if (selectedParcelGraphic != null)
{
offsetGraphicsLayer.Graphics.Clear();
try
{
var offsetGeom = GeometryEngine.Offset(selectedParcelGraphic.Geometry,
OffsetDistanceSlider.Value, (OffsetType)OffsetTypeComboBox.SelectedItem,
OffsetBevelRatioSlider.Value, OffsetFlattenErrorSlider.Value);
if (offsetGeom != null)
{
offsetGraphicsLayer.Graphics.Add(new Graphic {
Geometry = offsetGeom
});
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Sample Error");
}
}
}