////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Unions the pair of source <code>GeoBounds</code> objects
* and puts the result into the specified destination
* <code>GeoBounds</code> object. One of the source rectangles
* can also be the destination to avoid creating a third GeoBounds
* object, but in this case the original points of this source
* rectangle will be overwritten by this method.
* @param src1 the first of a pair of <code>GeoBounds</code>
* objects to be combined with each other
* @param src2 the second of a pair of <code>GeoBounds</code>
* objects to be combined with each other
* @param dest the <code>GeoBounds</code> that holds the
* results of the Union of <code>src1</code> and
* <code>src2</code>
*/
public static void Union(GeoBounds src1,
GeoBounds src2,
GeoBounds dest)
{
double x1 = Math.Min(src1.GetMinX(), src2.GetMinX());
double y1 = Math.Min(src1.GetMinY(), src2.GetMinY());
double x2 = Math.Max(src1.GetMaxX(), src2.GetMaxX());
double y2 = Math.Max(src1.GetMaxY(), src2.GetMaxY());
dest.SetFrameFromDiagonal(x1, y1, x2, y2);
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Adds a <code>GeoBounds</code> object to this
* <code>GeoBounds</code>. The resulting <code>GeoBounds</code>
* is the Union of the two <code>GeoBounds</code> objects.
* @param r the <code>GeoBounds</code> to Add to this
* <code>GeoBounds</code>.
*/
public void Add(GeoBounds r)
{
double x1 = Math.Min(GetMinX(), r.GetMinX());
double x2 = Math.Max(GetMaxX(), r.GetMaxX());
double y1 = Math.Min(GetMinY(), r.GetMinY());
double y2 = Math.Max(GetMaxY(), r.GetMaxY());
SetRect(x1, y1, x2 - x1, y2 - y1);
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Intersects the pair of specified source <code>GeoBounds</code>
* objects and puts the result into the specified destination
* <code>GeoBounds</code> object. One of the source rectangles
* can also be the destination to avoid creating a third GeoBounds
* object, but in this case the original points of this source
* rectangle will be overwritten by this method.
* @param src1 the first of a pair of <code>GeoBounds</code>
* objects to be intersected with each other
* @param src2 the second of a pair of <code>GeoBounds</code>
* objects to be intersected with each other
* @param dest the <code>GeoBounds</code> that holds the
* results of the intersection of <code>src1</code> and
* <code>src2</code>
*/
public static void Intersect(GeoBounds src1,
GeoBounds src2,
GeoBounds dest)
{
double x1 = Math.Max(src1.GetMinX(), src2.GetMinX());
double y1 = Math.Max(src1.GetMinY(), src2.GetMinY());
double x2 = Math.Min(src1.GetMaxX(), src2.GetMaxX());
double y2 = Math.Min(src1.GetMaxY(), src2.GetMaxY());
dest.SetFrame(x1, y1, x2 - x1, y2 - y1);
}
