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<h1 class="declaration">procedure sbtext</h1>
<p>
Write a text string in 3-d perspective. All (x,y,z) values are taken to be given in world coordinates. The z-component of the eye-poisition should be positive and that of the text string should be negative; the viewing-screen is fixed at z=0.
<br><br><b><font size=+2>Syntax</font></b><br>
sbtext EYE,TEXT,ICOL,PIVOT,FJUST,ORIENT,SIZE
<br><br><b><font size=+2>Arguments</font></b><br>
<table CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
<tr VALIGN=TOP><td nowrap>ARGUMENT </td>
<td> TYPE I/O DIMENSION DESCRIPTION</td></tr>
<tr VALIGN=TOP><td nowrap>EYE: </td>
<td> R*4 I 3 (x,y,z) coordinate of eye-position.</td></tr>
<tr VALIGN=TOP><td nowrap>TEXT: </td>
<td> C*1 I * The text string to be written.</td></tr>
<tr VALIGN=TOP><td nowrap>ICOL: </td>
<td> I*4 I - Colour index for text.</td></tr>
<tr VALIGN=TOP><td nowrap>PIVOT: </td>
<td> R*4 I 3 (x,y,z) coordinate of pivot point.</td></tr>
<tr VALIGN=TOP><td nowrap>FJUST: </td>
<td> R*4 I - Position of pivot along the text: </td></tr>
<tr VALIGN=TOP><td nowrap> </td>
<td> 0.0=left, 0.5=centre, 1.0=right.</td></tr>
<tr VALIGN=TOP><td nowrap>ORIENT: </td>
<td> R*4 I 3 x 2 (x,y,z) for X-length and Y-height</td></tr>
<tr VALIGN=TOP><td nowrap> </td>
<td> directions of the text.</td></tr>
<tr VALIGN=TOP><td nowrap>SIZE: </td>
<td> R*4 I - Height of the reference symbol "A".</td></tr>
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