🚀 go-pugleaf

Howdy folks.

Information  request  time.  This item  was slightly  discussed a  few
weeks ago (so I'm told) but  I missed that  discussion and require the
information now.

I am looking  for  a good scientific  graphing package.  If I were  to
define a list of requirements it would be as follows:

1.  Input format just like Cricket  Graph (row  =  (x,y1,y2,...)  with
first row indicating  labels for data items  if  starts with  *).  Tab
delimited. In the very least,  ASCII input  formats must be available.
I might even go so  far  as to  ask that  a default  graph type can be
specified in the file  and even that some  of the plot characteristics
can be specified with the data.

2.   Moveable and editable axis  labels.  User-defined major and minor
ticks.  All labels may have  font,style and point  size  independently
adjustable. 

3.  User-controlled displayed axis limits (data  curves are cropped if
limit set lower than maximum value).

4.  Plot area adjustable (ie.  I  can make the graph bigger  if I want
to without influencing the axis limits.)

5.  Printing like Cricket Graph's - I  can determine what graphs print
on a page and where on the page they print.

6.  can save graphs as PICT/PICT II files.

7.  3-d graphs and graphs with depth a must.

8.  No need to transform data itself, but I want to be able to compute
"statistics"   on the  graph.    Things like  derivatives (first   and
second),  want to  be  able to  compute  integral (numeric  area under
curve), things like that.  Further, I should  be  able to define the x
ranges with placeable "fences" to bound all of these functions.  Other
functions  might include  polynomial  fitting  (and  other  regression
analysis+surface fit  under  3d),  mean,median,std dev, least squares,
exponential fits, etc.

9.  Must  support log (any  base  preferrable),  semi-log,  cartesian,
polar,  plus bar  charts,  pie  charts,  etc.  A number   of available
formats, plus error bars, overlays.  For 3D I  want contour maps, mesh
with and without hidden line removal and shaded surfaces.

10. Fast  redraw.  Cricket Graph   redraws its  graphs  point-by-point
making it slowly.  It should just redraw the update region.

11. Fully selectable curve options - color, pattern, point symbol etc.

12.  In  general, should  be able   to  generate presentation  quality
graphics, although if it gives me the above things I can always pop it
into Canvas to add annotation, etc to "prettify" it.



Maybe  I'm really reaching on some  of this stuff.  Mathematica can do
some of this, but I'm looking for just  a graphing package, not a data
manipulation package.  I would appreciate getting  mail  on this and I
can summarize the results.

Thanks in advance.


--
	     Jeffrey A. Hallett, PET Software Engineering
      GE Medical Systems, W641, PO Box 414, Milwaukee, WI  53201
	    (414) 548-5163 : EMAIL -  hallett@gemed.ge.com
"Non Sequitor - Your facts are uncoordinated"; "I am Nomad: I am perfect."