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Re: texture for filling?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg115081] Re: texture for filling?
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Thu, 30 Dec 2010 04:12:49 -0500 (EST)

f1[x_] = Sin[x];
f2[x_] = Cos[x];

Plot[{f1[x], f2[x],
  Table[x/3 + b, {b, -3, 1, .1}]},
 {x, 0, 2 Pi},
 PlotRange -> {-1.05, 1.05},
 PlotPoints -> 100,
 PlotStyle -> {Automatic, Automatic, Lighter[Gray]},
 RegionFunction -> Function[{x, y},
   (f1[x] >= f2[x] && f2[x] <= y <= f1[x]) ||
    (f2[x] >= f1[x] && 
      f1[x] <= y <= f2[x])]]

Show[
 Plot[
  Table[x/3 + b, {b, -3, 1, .1}],
  {x, 0, 2 Pi},
  PlotRange -> {-1.05, 1.05},
  PlotPoints -> 100,
  PlotStyle -> Lighter[Gray],
  RegionFunction -> Function[{x, y},
    (f1[x] >= f2[x] && f2[x] <= y <= f1[x]) ||
     (f2[x] >= f1[x] &&
        f1[x] <= y <= f2[x])]],
 Plot[{f1[x], f2[x]}, {x, 0, 2 Pi}]]


Bob Hanlon

---- agua <auguaylupo at gmail.com> wrote: 

=============
Greetings to all.
It is possible that instead of using color, apply
some texture to fill an area between two curves.
For example, fill the region with slanted lines or dots instead of
gray:

Plot[{Sin[x], Cos[x]}, {x, 0, 2 Pi}, Filling -> {1 -> {{2},
Lighter[Gray]}}]

Tk.



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