/// <summary>
/// Snaps (nodes) all interacting segments to this hot pixel.
/// The hot pixel may represent a vertex of an edge,
/// in which case this routine uses the optimization
/// of not noding the vertex itself
/// </summary>
/// <param name="hotPixel">The hot pixel to snap to.</param>
/// <param name="parentEdge">The edge containing the vertex, if applicable, or <c>null</c>.</param>
/// <param name="vertexIndex"></param>
/// <returns><c>true</c> if a node was added for this pixel.</returns>
public bool Snap(HotPixel hotPixel, SegmentString parentEdge, int vertexIndex)
{
Envelope pixelEnv = hotPixel.GetSafeEnvelope();
HotPixelSnapAction hotPixelSnapAction = new HotPixelSnapAction(hotPixel, parentEdge, vertexIndex);
_index.Query(pixelEnv, new QueryVisitor(pixelEnv, hotPixelSnapAction));
return hotPixelSnapAction.IsNodeAdded;
}
/// <summary>
/// Snaps (nodes) all interacting segments to this hot pixel.
/// The hot pixel may represent a vertex of an edge,
/// in which case this routine uses the optimization
/// of not noding the vertex itself
/// </summary>
/// <param name="hotPixel">The hot pixel to snap to.</param>
/// <param name="parentEdge">The edge containing the vertex, if applicable, or <c>null</c>.</param>
/// <param name="vertexIndex"></param>
/// <returns><c>true</c> if a node was added for this pixel.</returns>
public bool Snap(HotPixel hotPixel, SegmentString parentEdge, int vertexIndex)
{
IEnvelope pixelEnv = hotPixel.GetSafeEnvelope();
HotPixelSnapAction hotPixelSnapAction = new HotPixelSnapAction(hotPixel, parentEdge, vertexIndex);
index.Query(pixelEnv, new QueryVisitor(pixelEnv, hotPixelSnapAction));
return(hotPixelSnapAction.IsNodeAdded);
}
/// <summary>
/// Snaps (nodes) all interacting segments to this hot pixel.
/// The hot pixel may represent a vertex of an edge,
/// in which case this routine uses the optimization
/// of not noding the vertex itself
/// </summary>
/// <param name="hotPixel">The hot pixel to snap to.</param>
/// <param name="parentEdge">The edge containing the vertex, if applicable, or <c>null</c>.</param>
/// <param name="hotPixelVertexIndex"></param>
/// <returns><c>true</c> if a node was added for this pixel.</returns>
public bool Snap(HotPixel hotPixel, ISegmentString parentEdge, int hotPixelVertexIndex)
{
var pixelEnv = hotPixel.GetSafeEnvelope();
var hotPixelSnapAction = new HotPixelSnapAction(hotPixel, parentEdge, hotPixelVertexIndex);
_index.Query(pixelEnv, new QueryVisitor(pixelEnv, hotPixelSnapAction));
return(hotPixelSnapAction.IsNodeAdded);
}
public PointSnapperItemVisitor(Envelope pixelEnv,
HotPixelSnapAction hotPixelSnapAction,
MCIndexPointSnapper pointSnapper)
{
this.pixelEnv = pixelEnv;
this.hotPixelSnapAction = hotPixelSnapAction;
this.enclosingInstance = pointSnapper;
}
/// <summary>
/// Snaps (nodes) all interacting segments to this hot pixel.
/// The hot pixel may represent a vertex of an edge,
/// in which case this routine uses the optimization
/// of not noding the vertex itself
///
/// </summary>
/// <param name="hotPixel">the hot pixel to snap to
/// </param>
/// <param name="parentEdge">the edge containing the vertex, if applicable, or <code>null</code>
/// </param>
/// <param name="vertexIndex">the index of the vertex, if applicable, or -1
/// </param>
/// <returns> <see langword="true"/> if a node was added for this pixel
/// </returns>
public bool Snap(HotPixel hotPixel, SegmentString parentEdge, int vertexIndex)
{
Envelope pixelEnv = hotPixel.SafeEnvelope;
HotPixelSnapAction hotPixelSnapAction = new HotPixelSnapAction(
this, hotPixel, parentEdge, vertexIndex);
index.Query(pixelEnv, new PointSnapperItemVisitor(pixelEnv,
hotPixelSnapAction, this));
return(hotPixelSnapAction.NodeAdded);
}
/// <summary>
///
/// </summary>
/// <param name="env"></param>
/// <param name="action"></param>
public QueryVisitor(IEnvelope env, HotPixelSnapAction action)
{
this.env = env;
this.action = action;
}
/// <summary>
///
/// </summary>
/// <param name="env"></param>
/// <param name="action"></param>
public QueryVisitor(Envelope env, HotPixelSnapAction action)
{
_env = env;
_action = action;
}
/// <summary>
///
/// </summary>
/// <param name="env"></param>
/// <param name="action"></param>
public QueryVisitor(Envelope env, HotPixelSnapAction action)
{
this.env = env;
this.action = action;
}
/// <summary>
///
/// </summary>
/// <param name="env"></param>
/// <param name="action"></param>
public QueryVisitor(Envelope env, HotPixelSnapAction action)
{
_env = env;
_action = action;
}
