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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.2 Final//FR"><!-- Converted with LaTeX2HTML 95.1 (Fri Jan 20 1995) --><!-- by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --><!-- Modified Simulog 03/97 --><HTML><HEAD><TITLE>7.5 Conversions</TITLE><LINK REL=STYLESHEET TYPE="text/css" HREF="./Modulef.css" TITLE="Modulef CSS"><meta name="description" value="7.5 Conversions"><meta name="keywords" value="Guide6"><meta name="resource-type" value="document"><meta name="distribution" value="global"></HEAD><BODY BGCOLOR="#FFFFFF"><P> <IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM ALT="Modulef"><A NAME=tex2html1610 HREF="node96.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html1616 HREF="node92.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html1618 HREF="node98.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html1620 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A HREF="../Guide6-18/node97.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide6-14/node97.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide6-10/node97.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html1619 HREF="node98.html">7.6 Matrix and vector manipulations</A><B>Up: </B> <A NAME=tex2html1617 HREF="node92.html">7 Internal programs</A><B> Prev: </B> <A NAME=tex2html1611 HREF="node96.html">7.4 Basic manipulations</A><B><A HREF="node2.html" >Contents</A></B><HR SIZE=3 WIDTH="75%"><H1><A NAME=SECTION05750000000000000000>7.5 Conversions</A></H1><P><P><P><UL><LI><P><PRE> SUBROUTINE SPHCAR(OBSPH, PVU, OBS, VERTI) REAL OBS(3), OBSPH(3), PVU(3) INTEGER VERTI</PRE><P>converts OBSPH, in spherical coordinates<A NAME=3407> </A>(angle w.r.t. 0X, elevation w.r.t. X0Y and distance), into OBS, in Cartesian coordinates (x,y,z). <BR><P>Input:<BR><P> OBSPH: observer in spherical coordinates;<P> PVU: point viewed (x,y,z);<P> VERTI: vertical 1=0x, 2=0y, 3=0z. <BR><P>Output: <BR><P> OBS: observer in Cartesian coordinates. <BR><P><LI><P><PRE> SUBROUTINE CARSPH(OBS, PVU, OBSPH ,VERTI) REAL OBS(3), OBSPH(3), PVU(3) INTEGER VERTI</PRE><P>converts OBS, in<A NAME=3408> </A> Cartesian coordinates (x,y,z), into OBSPH, in spherical coordinates (a/0x, e/x0y, distance). <BR><P>Input: <BR><P> OBS: observer in Cartesian coordinates (x,y,z);<P> PVU: point viewed (x,y,z);<P> VERTI: vertical 1=0x, 2=0, 3=0z. <BR><P>Output: <BR><P> OBSPH: observer in spherical coordinates. <BR><P></UL><P><P><P><HR SIZE=3 WIDTH="75%"><IMG SRC="../icons/smallmod.gif" WIDTH=211 HEIGHT=50 ALIGN=BOTTOM ALT="Modulef"><A NAME=tex2html1610 HREF="node96.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/previous_motif.gif" ALT="previous"></A><A NAME=tex2html1616 HREF="node92.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/up_motif.gif" ALT="up"></A><A NAME=tex2html1618 HREF="node98.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/next_motif.gif" ALT="next"></A><A NAME=tex2html1620 HREF="node2.html"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/contents_motif.gif" ALT="contents"></A><A HREF="../Guide6-18/node97.html"><IMG BORDER=0 SRC="../icons/zoom18.gif" ALIGN=BOTTOM ALT="[BIG]"></A><A HREF="../Guide6-14/node97.html"><IMG BORDER=0 SRC="../icons/zoom14.gif" ALIGN=BOTTOM ALT="[Normal]"></A><A HREF="../Guide6-10/node97.html"><IMG BORDER=0 SRC="../icons/zoom10.gif" ALIGN=BOTTOM ALT="[small]"></A><BR><B> Next: </B> <A NAME=tex2html1619 HREF="node98.html">7.6 Matrix and vector manipulations</A><B>Up: </B> <A NAME=tex2html1617 HREF="node92.html">7 Internal programs</A><B> Prev: </B> <A NAME=tex2html1611 HREF="node96.html">7.4 Basic manipulations</A><B><A HREF="node2.html" >Contents</A></B><BR> <HR><P><ADDRESS></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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