private SpatialEnvelope calculateEnvelope(Geometry geom)
{
Envelope env = new Envelope();
geom.GetEnvelope(env);
SpatialEnvelope ogrenv = new SpatialEnvelope(env.MinX, env.MinY, env.MaxX, env.MaxY);
return ogrenv;
}
private void setEnvelope(SpatialEnvelope other)
{
if (this._envelope == null)
{
this._envelope = other;
}
else
{
if (other.maxx > this._envelope.maxx)
{
this._envelope.maxx = other.maxx;
}
if (other.maxy > this._envelope.maxy)
{
this._envelope.maxy = other.maxy;
}
if (other.minx < this._envelope.minx)
{
this._envelope.minx = other.minx;
}
if (other.miny < this._envelope.miny)
{
this._envelope.miny = other.miny;
}
}
}
public QuadTree(SpatialEnvelope envelope)
{
this._envelope = envelope;
this._records = new List <T>();
this._depth = 0;
this._maxDepth = 8;
this._nodes = new List <QuadTree <T> >();
}
private SpatialEnvelope calculateEnvelope(Geometry geom)
{
Envelope env = new Envelope();
geom.GetEnvelope(env);
SpatialEnvelope ogrenv = new SpatialEnvelope(env.MinX, env.MinY, env.MaxX, env.MaxY);
return(ogrenv);
}
public bool contains(SpatialEnvelope other)
{
if (this._minx <= other.minx &&
this._maxx >= other.maxx &&
this._miny <= other.miny &&
this._maxy >= other.maxy)
{
return(true);
}
return(false);
}
public bool intersects(SpatialEnvelope other)
{
if (this._minx <= other.maxx &&
this._maxx >= other.minx &&
this._miny <= other.maxy &&
this._maxy >= other.miny)
{
return(true);
}
return(false);
}
public bool intersects(SpatialEnvelope other)
{
if (this._minx <= other.maxx &&
this._maxx >= other.minx &&
this._miny <= other.maxy &&
this._maxy >= other.miny)
{
return true;
}
return false;
}
public bool contains(SpatialEnvelope other)
{
if (this._minx <= other.minx &&
this._maxx >= other.maxx &&
this._miny <= other.miny &&
this._maxy >= other.maxy)
{
return true;
}
return false;
}
public OGRBufferCacheRow(object[] bufferRow, Geometry geom)
{
this._bufferRow = bufferRow;
this._geom = geom;
this._envelope = this.calculateEnvelope(geom);
}
public OGRBufferCache()
{
this._rows = new List <OGRBufferCacheRow>();
this._envelope = null;
this._spatialIndex = null;
}
public OGRBufferCache()
{
this._rows = new List<OGRBufferCacheRow>();
this._envelope = null;
this._spatialIndex = null;
}
private void setEnvelope(SpatialEnvelope other)
{
if (this._envelope == null)
{
this._envelope = other;
}
else
{
if (other.maxx > this._envelope.maxx) { this._envelope.maxx = other.maxx; }
if (other.maxy > this._envelope.maxy) { this._envelope.maxy = other.maxy; }
if (other.minx < this._envelope.minx) { this._envelope.minx = other.minx; }
if (other.miny < this._envelope.miny) { this._envelope.miny = other.miny; }
}
}
public OGRBufferCacheRow(object[] bufferRow, Geometry geom)
{
this._bufferRow = bufferRow;
this._geom = geom;
this._envelope = this.calculateEnvelope(geom);
}