source: Sophya/trunk/SophyaPI/DemoPIApp/polarplot.pic@ 4075

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### SOPHYA class library - piapp interactive analysis tool 
### (C) LAL / Univ. Paris Sud, CNRS/IN2P3    1998-2012 
### (C) IRFU-SPP / CEA                       1998-2012 
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### polarplot.pic : SOPHYA/piapp demo script 
###   NTuple creation & filling through the interpreter 
###   to prepare data suitable for plot in polar coordinates 
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# 1- default axe attributes 
setaxesatt 'font=helvetica,bold,16 fixedfontsize'
# 2.a First NTuple creation and filling (angle-radius)
del ntpol ntpole
newnt ntpol angle reponse 
AMP = 12.
# 2.b  interpreter loop on angular values in degree 
for ang -90.:270.:0.5 
  x = fabs(3.*(ang-90.)*Pi/180.)
  if ( $x < 1.e-9 ) then 
    rep = AMP
  else 
    y = sin(x)/x 
    rep = AMP*y*y*(1+x)
  endif
  line2nt ntpol $ang $rep
end
# 3.a second NTuple creation anf filling (angle-radius+errors)
del ntpole
newnt ntpole angle reponse err_ang err_rep
# 3.b  interpreter loop on angular values in degree 
for ang 0.:180.:3. 
  x = fabs(3.*(ang-90.)*Pi/180.)
  if ( $x < 1.e-9 ) then 
    rep = AMP
  else 
    y = sin(x)/x 
    rep = AMP*y*y*(1+x)
  endif
  errang = fabs(gaurand()*5.)  
  errrep = fabs(gaurand()*2.)
  line2nt ntpole $ang $rep $errang $errrep
end
# 4.a Plot in cartesian coordinates 
print ntpol
print ntpole 
zone 1 2 
nt2d ntpol angle reponse - - - - 'cpts'
nt2d ntpole angle reponse err_ang err_rep - - 'marker=circle,7'
# 4.b Plot in polar coordinates in two windows 
newwin 2 1 800 400 
nt2d ntpol angle reponse - - - - 'polarplot polarangledeg notit red line=solid,2 nsta cpts'
nt2d ntpole angle reponse err_ang err_rep - - 'polarplot polarangledeg notit blue marker=circle,7 line=solid,1 nsta'
# nt2d ntpol angle reponse - - - - 'notit red line=solid,2 nsta cpts polarangledeg polaraxes=9,8'