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<HTML><HEAD><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><TITLE>Perst.RectangleR2</TITLE><LINK REL=STYLESHEET HREF="../CommentReport.css" TYPE="text/css"></HEAD><BODY topmargin=0 rightmargin=0 leftmargin=0 style="background-image: url(../titletile.jpg); background-repeat:repeat-x; background-position: 0 0;" ><DIV CLASS="PageHeading">Perst.RectangleR2 Struct</DIV><DIV CLASS="Description">
R2 rectangle class. This class is used in spatial index.
<P></DIV><IMG src="../GradLeft.jpg" width=7 height=378 alt="" border="0" style="position:absolute; left:10; top:18;z-Index:2"><IMG src="../GradTop.jpg" width=352 height=7 alt="" border="0" align="top" style="position:absolute; left:10; top:18; z-index:1"><DIV CLASS="Remarks"><SPAN CLASS="RemarkHdrX">Access: </SPAN>Public</DIV><TABLE CLASS="InfoTable" cellpadding=0 cellspacing=0><TR height=20><TD width=20> </TD><TD valign=top align=left width=9 bgcolor="#cccc66"><IMG SRC="../graycorner.jpg" align=top></TD><TD CLASS="TableLightLabel" WIDTH=206>Members</TD><TD CLASS="TableLightLabel" >Description</TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4136.HTM" TARGET="CNTFRAME">_top</A></TD><TD CLASS="TableLightDesc"> </TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4137.HTM" TARGET="CNTFRAME">_left</A></TD><TD CLASS="TableLightDesc"> </TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4138.HTM" TARGET="CNTFRAME">_bottom</A></TD><TD CLASS="TableLightDesc"> </TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4139.HTM" TARGET="CNTFRAME">_right</A></TD><TD CLASS="TableLightDesc"> </TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4140.HTM" TARGET="CNTFRAME">Top</A></TD><TD CLASS="TableLightDesc">
Smallest Y coordinate of the rectangle
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4142.HTM" TARGET="CNTFRAME">Left</A></TD><TD CLASS="TableLightDesc">
Smallest X coordinate of the rectangle
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4144.HTM" TARGET="CNTFRAME">Bottom</A></TD><TD CLASS="TableLightDesc">
Greatest Y coordinate of the rectangle
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4146.HTM" TARGET="CNTFRAME">Right</A></TD><TD CLASS="TableLightDesc">
Greatest X coordinate of the rectangle
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4148.HTM" TARGET="CNTFRAME">Area</A></TD><TD CLASS="TableLightDesc">
Rectangle area
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4149.HTM" TARGET="CNTFRAME">JoinArea</A></TD><TD CLASS="TableLightDesc">
Area of covered rectangle for two sepcified rectangles
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4150.HTM" TARGET="CNTFRAME">RectangleR2</A></TD><TD CLASS="TableLightDesc">
Create copy of the rectangle
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4151.HTM" TARGET="CNTFRAME">RectangleR2</A></TD><TD CLASS="TableLightDesc">
Construct rectangle with specified coordinates
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4152.HTM" TARGET="CNTFRAME">Join</A></TD><TD CLASS="TableLightDesc">
Join two rectangles. This rectangle is updates to contain cover of this and specified rectangle.
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4153.HTM" TARGET="CNTFRAME">Join</A></TD><TD CLASS="TableLightDesc">
Non destructive join of two rectangles.
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4154.HTM" TARGET="CNTFRAME">Intersects</A></TD><TD CLASS="TableLightDesc">
Checks if this rectangle intersects with specified rectangle
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4155.HTM" TARGET="CNTFRAME">Contains</A></TD><TD CLASS="TableLightDesc">
Checks if this rectangle contains the specified rectangle
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP4156.HTM" TARGET="CNTFRAME">IsEmpty</A></TD><TD CLASS="TableLightDesc">
Check if rectanlge is empty
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