tplate.h - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
tplate.h (2005B)
---
1 #define RAD(x) ((x)*PI_180)
2 #define DEG(x) ((x)/PI_180)
3 #define ARCSECONDS_PER_RADIAN (DEG(1)*3600)
4 #define input_nybble(infile) input_nbits(infile,4)
5
6 typedef float Angle; /* in radians */
7
8 enum
9 {
10 /*
11 * parameters for plate
12 */
13 Pppo1 = 0,
14 Pppo2,
15 Pppo3,
16 Pppo4,
17 Pppo5,
18 Pppo6,
19 Pamdx1,
20 Pamdx2,
21 Pamdx3,
22 Pamdx4,
23 Pamdx5,
24 Pamdx6,
25 Pamdx7,
26 Pamdx8,
27 Pamdx9,
28 Pamdx10,
29 Pamdx11,
30 Pamdx12,
31 Pamdx13,
32 Pamdx14,
33 Pamdx15,
34 Pamdx16,
35 Pamdx17,
36 Pamdx18,
37 Pamdx19,
38 Pamdx20,
39 Pamdy1,
40 Pamdy2,
41 Pamdy3,
42 Pamdy4,
43 Pamdy5,
44 Pamdy6,
45 Pamdy7,
46 Pamdy8,
47 Pamdy9,
48 Pamdy10,
49 Pamdy11,
50 Pamdy12,
51 Pamdy13,
52 Pamdy14,
53 Pamdy15,
54 Pamdy16,
55 Pamdy17,
56 Pamdy18,
57 Pamdy19,
58 Pamdy20,
59 Ppltscale,
60 Pxpixelsz,
61 Pypixelsz,
62 Ppltra,
63 Ppltrah,
64 Ppltram,
65 Ppltras,
66 Ppltdec,
67 Ppltdecd,
68 Ppltdecm,
69 Ppltdecs,
70 Pnparam
71 };
72
73 typedef struct Plate Plate;
74 struct Plate
75 {
76 char rgn[7];
77 char disk;
78 Angle ra;
79 Angle dec;
80 };
81
82 typedef struct Header Header;
83 struct Header
84 {
85 float param[Pnparam];
86 int amdflag;
87
88 float x;
89 float y;
90 float xi;
91 float eta;
92 };
93 typedef int32 Type;
94
95 typedef struct Image Image;
96 struct Image
97 {
98 int nx;
99 int ny; /* ny is the fast-varying dimension */
100 Type a[1];
101 };
102
103 int nplate;
104 Plate plate[2000]; /* needs to go to 2000 when the north comes */
105 double PI_180;
106 double TWOPI;
107 int debug;
108 struct
109 {
110 float min;
111 float max;
112 float del;
113 double gamma;
114 int neg;
115 } gam;
116
117 char* hms(Angle);
118 char* dms(Angle);
119 double xsqrt(double);
120 Angle dist(Angle, Angle, Angle, Angle);
121 Header* getheader(char*);
122 char* getword(char*, char*);
123 void amdinv(Header*, Angle, Angle, float, float);
124 void ppoinv(Header*, Angle, Angle);
125 void xypos(Header*, Angle, Angle, float, float);
126 void traneqstd(Header*, Angle, Angle);
127 Angle getra(char*);
128 Angle getdec(char*);
129 void getplates(void);
130
131 Image* dssread(char*);
132 void hinv(Type*, int, int);
133 int input_bit(Biobuf*);
134 int input_nbits(Biobuf*, int);
135 void qtree_decode(Biobuf*, Type*, int, int, int, int);
136 void start_inputing_bits(void);
137 Bitmap* image(Angle, Angle, Angle, Angle);
138 int dogamma(int);