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
64
65
66
67
68
69
70
71
72
73
|
(*
Font demo.
*)
open Printf
open Plplot
(*--------------------------------------------------------------------------*\
* Displays the entire "plpoin" symbol (font) set.
\*--------------------------------------------------------------------------*)
let () =
(* Parse and process command line arguments *)
plparseopts Sys.argv [PL_PARSE_FULL];
(* Initialize plplot *)
plinit ();
for kind_font = 0 to 1 do
plfontld kind_font;
let maxfont =
if kind_font = 0 then
1
else
4
in
for font = 0 to maxfont - 1 do
plfont (font + 1);
pladv 0;
(* Set up viewport and window *)
plcol0 2;
plvpor 0.1 1.0 0.1 0.9;
plwind 0.0 1.0 0.0 1.3;
(* Draw the grid using plbox *)
plbox "bcg" 0.1 0 "bcg" 0.1 0;
(* Write the digits below the frame *)
plcol0 15;
for i = 0 to 9 do
plmtex "b" 1.5 (0.1 *. float_of_int i +. 0.05) 0.5 (string_of_int i);
done;
let k = ref 0 in
for i = 0 to 12 do
(* Write the digits to the left of the frame *)
plmtex "lv" 1.0 (1.0 -. (2.0 *. float_of_int i +. 1.0) /. 26.0) 1.0
(string_of_int (10 * i));
for j = 0 to 9 do
let x = 0.1 *. float_of_int j +. 0.05 in
let y = 1.25 -. 0.1 *. float_of_int i in
(* Display the symbols *)
let () =
if (!k < 128) then
plpoin [|x|] [|y|] !k
else
()
in
incr k;
done
done;
if kind_font = 0 then
plmtex "t" 1.5 0.5 0.5 "PLplot Example 6 - plpoin symbols (compact)"
else
plmtex "t" 1.5 0.5 0.5 "PLplot Example 6 - plpoin symbols (extended)";
done;
done;
plend ();
()
|
