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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>&#13;      plsvpa: Specify viewport in absolute coordinates
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>The PLplot Plotting Library: Programmer's Reference Manual</TH
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>Chapter 19. The Common API for PLplot</TD
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><HR
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><DIV
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><H3
CLASS="sect1"
><A
NAME="plsvpa"
><CODE
CLASS="function"
>plsvpa</CODE
>: Specify viewport in absolute coordinates</A
></H3
><P
>&#13;      <DIV
CLASS="funcsynopsis"
><P
></P
><A
NAME="AEN12747"
></A
><TABLE
CLASS="funcprototype"
><TR
><TD
><CODE
CLASS="FUNCDEF"
>&#13;	    plsvpa
	  </CODE
>(xmin, xmax, ymin, ymax);</TD
></TR
></TABLE
><P
></P
></DIV
>
    </P
><P
>&#13;      Alternate routine to <A
HREF="plvpor.html"
><CODE
CLASS="function"
>plvpor</CODE
></A
> for setting up the viewport.  This
      routine should be used only if the viewport is required to have a
      definite size in millimeters.  The routine <A
HREF="plgspa.html"
><CODE
CLASS="function"
>plgspa</CODE
></A
> is useful for
      finding out the size of the current subpage.
    </P
><TABLE
CLASS="variablelist"
><TR
><TD
><DL
><DT
><CODE
CLASS="parameter"
>xmin</CODE
>
	  (<TT
CLASS="literal"
>PLFLT</TT
>, input)</DT
><DD
><P
>&#13;	    The distance of the left-hand edge of the viewport from the
	    left-hand edge of the subpage in millimeters.
	  </P
></DD
><DT
><CODE
CLASS="parameter"
>xmax</CODE
>
	  (<TT
CLASS="literal"
>PLFLT</TT
>, input)</DT
><DD
><P
>&#13;	    The distance of the right-hand edge of the viewport from the
	    left-hand edge of the subpage in millimeters.
	  </P
></DD
><DT
><CODE
CLASS="parameter"
>ymin</CODE
>
	  (<TT
CLASS="literal"
>PLFLT</TT
>, input)</DT
><DD
><P
>&#13;	    The distance of the bottom edge of the viewport from the bottom
	    edge of the subpage in millimeters.
	  </P
></DD
><DT
><CODE
CLASS="parameter"
>ymax</CODE
>
	  (<TT
CLASS="literal"
>PLFLT</TT
>, input)</DT
><DD
><P
>&#13;	    The distance of the top edge of the viewport from the bottom edge
	    of the subpage in millimeters.
	  </P
></DD
></DL
></TD
></TR
></TABLE
><P
>&#13;      Redacted form: <CODE
CLASS="function"
>plsvpa(xmin, xmax, ymin, ymax)</CODE
>
    </P
><P
>&#13;      This function is used in example 10.
    </P
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>