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Commit | Line | Data |
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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:20:20 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.25 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE GDARR(X1,Y1,X2,Y2,SIZE,ITEXT) | |
13 | C. | |
14 | C. ****************************************************************** | |
15 | C. * * | |
16 | C. * Draw a segment from (X1,Y1) to (X2,Y2) * | |
17 | C. * and an arrow (of size SIZE) at the ending point (X2,Y2) * | |
18 | C. * together with the one-character text ITEXT * | |
19 | C. * * | |
20 | C. * ==>Called by : GDAXIS * | |
21 | C. * Author : P.Zanarini ********* * | |
22 | C. * * | |
23 | C. ****************************************************************** | |
24 | C. | |
25 | DIMENSION U(3),V(3) | |
26 | CHARACTER*(*) ITEXT | |
27 | SAVE TGAR | |
28 | DATA TGAR/0.6/ | |
29 | C. | |
30 | C. ------------------------------------------------------------------ | |
31 | C. | |
32 | U(1)=X1 | |
33 | U(2)=X2 | |
34 | V(1)=Y1 | |
35 | V(2)=Y2 | |
36 | XL=SQRT((X2-X1)**2+(Y2-Y1)**2) | |
37 | C | |
38 | C If axis size is too small, then return without drawing it | |
39 | C | |
40 | IF (XL.LE.0.1) GO TO 999 | |
41 | C | |
42 | C Draw the segment | |
43 | C | |
44 | CALL GDRAWV(U,V,2) | |
45 | C | |
46 | FSIN=(Y2-Y1)/XL | |
47 | FCOS=(X2-X1)/XL | |
48 | U(1)=X1+(XL-SIZE)*FCOS-SIZE*TGAR*FSIN | |
49 | U(3)=X1+(XL-SIZE)*FCOS+SIZE*TGAR*FSIN | |
50 | V(1)=Y1+(XL-SIZE)*FSIN+SIZE*TGAR*FCOS | |
51 | V(3)=Y1+(XL-SIZE)*FSIN-SIZE*TGAR*FCOS | |
52 | U(2)=X2 | |
53 | V(2)=Y2 | |
54 | C | |
55 | C Draw the arrow | |
56 | C | |
57 | CALL GDRAWV(U,V,3) | |
58 | C | |
59 | X0=X1+(XL+2*SIZE)*FCOS | |
60 | Y0=Y1+(XL+2*SIZE)*FSIN | |
61 | ANGLE=0.0 | |
62 | LWIDTH=1 | |
63 | IOPT=0 | |
64 | C | |
65 | C Draw the text | |
66 | C | |
67 | CALL GDRAWT(X0,Y0,ITEXT,SIZE,ANGLE,LWIDTH,IOPT) | |
68 | C | |
69 | 999 RETURN | |
70 | END |