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Overview
| Comment: | Fix order of arguements in exposure functions |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | origin/master | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
c663824d67ce341008ac201bd6e686d5 |
| User & Date: | base@atomicules.co.uk 2013-08-27 12:00:41 |
Context
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2013-08-29
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| 23:24 |
Implement functionality to calc req'd and then sel nearest match in menu
So far only implemented on Shutter menu, i.e. have to select ISO and In order to do that added these two functions: - nearest_match The latter needed, because need to convert "1/1000", etc into float. For Seems to work for Sunny 16. check-in: 6513b427e7 user: base@atomicules.co.uk tags: origin/master, trunk | |
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2013-08-27
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| 12:00 | Fix order of arguements in exposure functions check-in: c663824d67 user: base@atomicules.co.uk tags: origin/master, trunk | |
| 11:37 | Whoopsie! Can't re-arrange equations it seems. check-in: 1e61137082 user: base@atomicules.co.uk tags: origin/master, trunk | |
Changes
Changes to exposurses.c.
| ︙ | ︙ | |||
52 53 54 55 56 57 58 | WINDOW *shutter_win; WINDOW *aperture_win; void selection(char *name); void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color); int exposure(int iso); int selection_counter; | | | 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | WINDOW *shutter_win; WINDOW *aperture_win; void selection(char *name); void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color); int exposure(int iso); int selection_counter; double shutter(int exposure, double aperture); double aperture(int exposure, int shutter); char iso_sel[5] = ""; char shutter_sel[7] = ""; char aperture_sel[6] = ""; int menu_counter = 1; |
| ︙ | ︙ | |||
317 318 319 320 321 322 323 |
int exposure (int iso) {
int ev100;
ev100 = 15;
return ev100 + (log (iso / 100) / log (2));
}
| | | | 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 |
int exposure (int iso) {
int ev100;
ev100 = 15;
return ev100 + (log (iso / 100) / log (2));
}
double shutter (int exposure, double aperture) {
/* EV = log2 (N^2/t) */
return pow(aperture, 2) / pow(2, exposure);
}
double aperture (int exposure, int shutter) {
/* EV = log2 (N^2/t) */
return sqrt(pow(2, exposure) * shutter);
}
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