/usr/share/doc/libplplot12/examples/ada/x00a.adb is in libplplot-ada1-dev 5.10.0+dfsg-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | -- $Id: x00a.adb 12021 2011-11-01 08:35:52Z jbauck $
--
-- Simple demo of a 2D line plot.
--
-- Copyright (C) 2011 Jerry Bauck
--
-- This file is part of PLplot.
--
-- PLplot is free software; you can redistribute it and/or modify
-- it under the terms of the GNU Library General Public License as published
-- by the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- PLplot is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Library General Public License for more details.
--
-- You should have received a copy of the GNU Library General Public License
-- along with PLplot; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-- See x00_easy_a.adb for an easier way to generate similar results using
-- Ada-specific extensions to PLplot.
-- See x00thicka.adb for a version of this program that uses easy-to-read names.
with
PLplot_Auxiliary,
PLplot_Traditional;
use
PLplot_Auxiliary,
PLplot_Traditional;
procedure x00a is
x, y : Real_Vector(0 .. 100);
x_Min, y_Min : Long_Float := 0.0;
x_Max : Long_Float := 1.0;
y_Max : Long_Float := 100.0;
begin
-- Prepare data to be plotted.
for i in x'range loop
x(i) := Long_Float(i) / Long_Float(x'length - 1);
y(i) := y_Max * x(i)**2;
end loop;
-- Parse and process command line arguments.
plparseopts(PL_PARSE_FULL);
-- Initialize plplot.
plinit;
-- Create a labelled box to hold the plot.
plenv(x_Min, x_Max, y_Min, y_Max, 0, 0);
pllab("x", "y=100 x#u2#d", "Simple PLplot demo of a 2D line plot");
-- Plot the data that was prepared above.
plline(x, y);
-- Close PLplot library.
plend;
end x00a;
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