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Describe vecvar command. 

Update derived files.
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...@@ -137,33 +137,43 @@ From left to right, it should show the following buttons:</P> ...@@ -137,33 +137,43 @@ From left to right, it should show the following buttons:</P>
<P> <P>
<DL> <DL>
<DT><B> More </B><DD><P>Offers some mode switches as toggles: <CODE>inertia</CODE> <DT><B> More </B><DD>
<P>Offers some mode switches as toggles: <CODE>inertia</CODE>
for continues spin or motion, for continues spin or motion,
and an <CODE>H-R Diagram</CODE> to invoke a separate H-R diagram window and an <CODE>H-R Diagram</CODE> to invoke a separate H-R diagram window
for datasets that support stellar evolution.</P> for datasets that support stellar evolution.</P>
<DT><B> [g1] </B><DD><P>Pulldown g1, g2, ... (or whichever group) <DT><B> [g1] </B><DD>
<P>Pulldown g1, g2, ... (or whichever group)
is the currently selected group. See <CODE>object</CODE> command is the currently selected group. See <CODE>object</CODE> command
to make aliases which group is defined to what object. If multiple to make aliases which group is defined to what object. If multiple
groups are defined, the next row below this contains a list of all groups are defined, the next row below this contains a list of all
the groups, and their aliases, so you can toggle them to be displayed.</P> the groups, and their aliases, so you can toggle them to be displayed.</P>
<DT><B> [f]ly </B><DD><P>Pulldown to select fly/orbit/rot/tran, which can also be activate <DT><B> [f]ly </B><DD>
<P>Pulldown to select fly/orbit/rot/tran, which can also be activate
by pressing the f/o/r/t keys inside the viewing window.</P> by pressing the f/o/r/t keys inside the viewing window.</P>
<DT><B> point </B><DD><P>Toggle to turn the points on/off. See also the <CODE>points</CODE> command.</P> <DT><B> point </B><DD>
<P>Toggle to turn the points on/off. See also the <CODE>points</CODE> command.</P>
<DT><B> poly </B><DD><P>Toggle to turn polygons on/off. See also the <CODE>polygon</CODE> command.</P> <DT><B> poly </B><DD>
<P>Toggle to turn polygons on/off. See also the <CODE>polygon</CODE> command.</P>
<DT><B> lbl </B><DD><P>Toggle to turn labels on/off. See also the <CODE>label</CODE> command.</P> <DT><B> lbl </B><DD>
<P>Toggle to turn labels on/off. See also the <CODE>label</CODE> command.</P>
<DT><B> tex </B><DD><P>Toggle to turn textures on/off. See also the <CODE>texture</CODE> command.</P> <DT><B> tex </B><DD>
<P>Toggle to turn textures on/off. See also the <CODE>texture</CODE> command.</P>
<DT><B> box </B><DD><P>Toggle to turn boxes on/off. See also the <CODE>boxes</CODE> command.</P> <DT><B> box </B><DD>
<P>Toggle to turn boxes on/off. See also the <CODE>boxes</CODE> command.</P>
<DT><B> #.### </B><DD><P>The current displayed value of the <CODE>logslum lum</CODE> slider (see next)</P> <DT><B> #.### </B><DD>
<P>The current displayed value of the <CODE>logslum lum</CODE> slider (see next)</P>
<DT><B> logslum lum </B><DD><P>Slider controlling the logarithm of the <B>datavar</B> variable <DT><B> logslum lum </B><DD>
<P>Slider controlling the logarithm of the <B>datavar</B> variable
selected as luminosity (with the <CODE>lum</CODE> command).</P> selected as luminosity (with the <CODE>lum</CODE> command).</P>
</DL> </DL>
...@@ -190,38 +200,48 @@ has a nonzero time range.</P> ...@@ -190,38 +200,48 @@ has a nonzero time range.</P>
<P> <P>
<DL> <DL>
<DT><B> T </B><DD><P>Shows the current time (or offset from the tripmeter). <DT><B> T </B><DD>
<P>Shows the current time (or offset from the tripmeter).
The absolute time is the sum of the <B>T</B> and <B>+</B> fields. The absolute time is the sum of the <B>T</B> and <B>+</B> fields.
Both are editable. Both are editable.
See also the <CODE>step</CODE> control command.</P> See also the <CODE>step</CODE> control command.</P>
<DT><B>trip </B><DD><P>Press to mark a reference point in time. <DT><B>trip </B><DD>
<P>Press to mark a reference point in time.
The T field becomes zero, and the + field (below) The T field becomes zero, and the + field (below)
is set to current time. As time passes, T shows the is set to current time. As time passes, T shows the
offset from this reference time.</P> offset from this reference time.</P>
<DT><B>back </B><DD><P>Press to return to reference time (sets T to 0).</P> <DT><B>back </B><DD>
<P>Press to return to reference time (sets T to 0).</P>
<DT><B> + </B><DD><P>Current last time where tripmeter was set. You can reset to <DT><B> + </B><DD>
<P>Current last time where tripmeter was set. You can reset to
the first frame with the command <CODE>step 0</CODE></P> the first frame with the command <CODE>step 0</CODE></P>
<DT><B> dial </B><DD><P>Drag to adjust the current time. Sensitivity depends <DT><B> dial </B><DD>
<P>Drag to adjust the current time. Sensitivity depends
on the speed setting; dragging by one dial-width on the speed setting; dragging by one dial-width
corresponds to 0.1 wall-clock second of animation, corresponds to 0.1 wall-clock second of animation,
i.e. 0.1 * <I>speed</I> in data time units.</P> i.e. 0.1 * <I>speed</I> in data time units.</P>
<DT><B> |&lt; </B><DD> <DT><B> |&lt; </B><DD>
<DT><B> >| </B><DD><P>Step time backwards or forwards by 0.1 * <I>speed</I> data time units.
<DT><B> >| </B><DD>
<P>Step time backwards or forwards by 0.1 * <I>speed</I> data time units.
See also the <CODE>&lt;</CODE> and <CODE>></CODE> keyboard shortcuts.</P> See also the <CODE>&lt;</CODE> and <CODE>></CODE> keyboard shortcuts.</P>
<DT><B> &lt;&lt; </B><DD> <DT><B> &lt;&lt; </B><DD>
<DT><B> >> </B><DD><P>toggle movie move forwards in time
<DT><B> >> </B><DD>
<P>toggle movie move forwards in time
Toggle animating backwards or forwards in time, by Toggle animating backwards or forwards in time, by
1 * <I>speed</I> data time units per real-time second. 1 * <I>speed</I> data time units per real-time second.
See also the <CODE>{</CODE>, <CODE>~</CODE>, and <CODE>}</CODE> keyboard shortcuts.</P> See also the <CODE>{</CODE>, <CODE>~</CODE>, and <CODE>}</CODE> keyboard shortcuts.</P>
<DT><B> #.#### </B><DD><P>(Logarithmic) value denoting <I>speed</I> of animation. <DT><B> #.#### </B><DD>
<P>(Logarithmic) value denoting <I>speed</I> of animation.
See also the <CODE>speed</CODE> control command.</P> See also the <CODE>speed</CODE> control command.</P>
...@@ -237,18 +257,22 @@ row from the top controls loading and playing sequences of moving through space. ...@@ -237,18 +257,22 @@ row from the top controls loading and playing sequences of moving through space.
<P> <P>
<DL> <DL>
<DT><B> Path... </B><DD><P>Brings up a filebrowser to load a <B>.wf</B> path file. This is a file with on each <DT><B> Path... </B><DD>
<P>Brings up a filebrowser to load a <B>.wf</B> path file. This is a file with on each
line 7 numbers: xyz location, RxRyRz viewing direction, and FOV (field of view). line 7 numbers: xyz location, RxRyRz viewing direction, and FOV (field of view).
The <CODE>rdata</CODE> command loads such path files too.</P> The <CODE>rdata</CODE> command loads such path files too.</P>
<DT><B> Play </B><DD><P>Play the viewpoint along the currently loaded path, <DT><B> Play </B><DD>
<P>Play the viewpoint along the currently loaded path,
as the <CODE>play</CODE> command does. as the <CODE>play</CODE> command does.
Right-click for a menu of play-speed options.</P> Right-click for a menu of play-speed options.</P>
<DT><B> &lt;&lt; &lt; [###] >>> </B><DD><P>Step through camera-path frames. <DT><B> &lt;&lt; &lt; [###] >>> </B><DD>
<P>Step through camera-path frames.
See also <CODE>frame</CODE> control command.</P> See also <CODE>frame</CODE> control command.</P>
<DT><B> slider </B><DD><P>Slides through camera path, and displays current frame.</P> <DT><B> slider </B><DD>
<P>Slides through camera path, and displays current frame.</P>
</DL> </DL>
</P> </P>
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...@@ -31,6 +31,10 @@ ...@@ -31,6 +31,10 @@
<!-- <!--
$Log$ $Log$
Revision 1.27 2011/12/07 16:24:42 slevy
Describe vecvar command.
Update derived files.
Revision 1.26 2010/04/27 23:47:58 slevy Revision 1.26 2010/04/27 23:47:58 slevy
Fix bugs... Fix bugs...
...@@ -2000,6 +2004,19 @@ yields non-circular polygonal disks. ...@@ -2000,6 +2004,19 @@ yields non-circular polygonal disks.
If <tt/polyorivar/ is specified for the group, but some polygons should If <tt/polyorivar/ is specified for the group, but some polygons should
still lie in the screen plane, use values <tt/9 9 9 9 9 9/ for those polygons. still lie in the screen plane, use values <tt/9 9 9 9 9 9/ for those polygons.
<tag>
vecvar <it/indexno/
</tag>
If enabled with the <tt/vec/ a.k.a. <tt/vectors/ control command,
partiview can draw a vector, or an arrow, based from each point.
A triple of consecutive data fields define the vector,
whose length can be scaled with the <tt/vecscale/ command.
<p>
Use the <tt/vecvar/ data command to specify the first (x component)
of the triple of fields.
<p>
See <tt>partiview/data/vectordemo.cf</tt> and <tt>vector.speck</tt> for an example.
<tag> <tag>
texture [-aiAOlmnMDB] <it/txno file.sgi/ texture [-aiAOlmnMDB] <it/txno file.sgi/
</tag> </tag>
...@@ -2083,6 +2100,8 @@ There are several (mutually exclusive) kinds of warping available: ...@@ -2083,6 +2100,8 @@ There are several (mutually exclusive) kinds of warping available:
(time-independent) linear combinations of attribute values; (time-independent) linear combinations of attribute values;
<item> linear or polynomial extrapolation of the particle position with time, <item> linear or polynomial extrapolation of the particle position with time,
with coefficients specified as triples of attributes with coefficients specified as triples of attributes
<item> for putting particles on epicycle-style orbits,
resembling the motions of stars in a disk galaxy
</itemize> </itemize>
Options to <tt/warp/ data command: Options to <tt/warp/ data command:
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