[0da6e60] | 1 | /* diffpos.c */ |
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[3262009] | 2 | /* Utility to compare two SURVEX .pos or .3d files */ |
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[2dfd768] | 3 | /* Copyright (C) 1994,1996,1998-2003 Olly Betts |
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[846746e] | 4 | * |
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[89231c4] | 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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[846746e] | 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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[89231c4] | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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[846746e] | 14 | * |
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[89231c4] | 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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[1b71c05] | 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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[846746e] | 18 | */ |
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[d1b1380] | 19 | |
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[a420b49] | 20 | #ifdef HAVE_CONFIG_H |
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| 21 | # include <config.h> |
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| 22 | #endif |
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[d1b1380] | 23 | |
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| 24 | #include <stdio.h> |
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| 25 | #include <stdlib.h> |
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| 26 | #include <string.h> |
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| 27 | #include <math.h> |
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| 28 | |
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[acc20b1] | 29 | #include "cmdline.h" |
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[3262009] | 30 | #include "debug.h" |
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| 31 | #include "filelist.h" |
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[693388e] | 32 | #include "hash.h" |
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[3262009] | 33 | #include "img.h" |
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[a20d9b9] | 34 | #include "namecmp.h" |
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[fa42426] | 35 | #include "useful.h" |
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[d1b1380] | 36 | |
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[2dfd768] | 37 | /* Don't complain if values mismatch by a tiny amount (1e-6m i.e. 0.001mm) */ |
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| 38 | #define TOLERANCE 1e-6 |
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[d1b1380] | 39 | |
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| 40 | /* default threshold is 1cm */ |
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| 41 | #define DFLT_MAX_THRESHOLD 0.01 |
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| 42 | |
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[3262009] | 43 | static double threshold = DFLT_MAX_THRESHOLD; |
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[d1b1380] | 44 | |
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[acc20b1] | 45 | static const struct option long_opts[] = { |
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| 46 | /* const char *name; int has_arg (0 no_argument, 1 required_*, 2 optional_*); int *flag; int val; */ |
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[76bbb7c9] | 47 | {"survey", required_argument, 0, 's'}, |
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[acc20b1] | 48 | {"help", no_argument, 0, HLP_HELP}, |
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| 49 | {"version", no_argument, 0, HLP_VERSION}, |
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| 50 | {0, 0, 0, 0} |
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| 51 | }; |
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| 52 | |
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[76bbb7c9] | 53 | #define short_opts "s:" |
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[acc20b1] | 54 | |
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| 55 | static struct help_msg help[] = { |
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| 56 | /* <-- */ |
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[e4138b5] | 57 | {HLP_ENCODELONG(0), "only load the sub-survey with this prefix"}, |
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[acc20b1] | 58 | {0, 0} |
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| 59 | }; |
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| 60 | |
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[2dfd768] | 61 | /* We use a hashtable with linked list buckets - this is how many hash table |
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| 62 | * entries we have. 0x2000 with sizeof(void *) == 4 uses 32K. */ |
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| 63 | #define TREE_SIZE 0x2000 |
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| 64 | |
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[3262009] | 65 | typedef struct station { |
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| 66 | struct station *next; |
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| 67 | char *name; |
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| 68 | img_point pt; |
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| 69 | } station; |
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| 70 | |
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[c0635e7] | 71 | typedef struct added { |
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| 72 | struct added *next; |
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| 73 | char *name; |
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| 74 | } added; |
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| 75 | |
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[9f9c05e] | 76 | static int old_separator, new_separator, sort_separator; |
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| 77 | |
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[a20d9b9] | 78 | static int |
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| 79 | cmp_pname(const void *a, const void *b) |
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| 80 | { |
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[9f9c05e] | 81 | return name_cmp(*(const char **)a, *(const char **)b, sort_separator); |
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[a20d9b9] | 82 | } |
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| 83 | |
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[3262009] | 84 | static station **htab; |
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| 85 | static bool fChanged = fFalse; |
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| 86 | |
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[b07ae08] | 87 | static added *added_list = NULL; |
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| 88 | static OSSIZE_T c_added = 0; |
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[c0635e7] | 89 | |
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[3262009] | 90 | static void |
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| 91 | tree_init(void) |
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| 92 | { |
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| 93 | size_t i; |
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[2dfd768] | 94 | htab = osmalloc(TREE_SIZE * ossizeof(station *)); |
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| 95 | for (i = 0; i < TREE_SIZE; i++) htab[i] = NULL; |
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[3262009] | 96 | } |
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| 97 | |
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| 98 | static void |
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| 99 | tree_insert(const char *name, const img_point *pt) |
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| 100 | { |
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[2dfd768] | 101 | int v = hash_string(name) & (TREE_SIZE - 1); |
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[3262009] | 102 | station *stn; |
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[840b213] | 103 | |
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| 104 | /* Catch duplicate labels - .3d files shouldn't have them, but some do |
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| 105 | * due to a couple of bugs in some versions of Survex |
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| 106 | */ |
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[3262009] | 107 | for (stn = htab[v]; stn; stn = stn->next) { |
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| 108 | if (strcmp(stn->name, name) == 0) return; /* found dup */ |
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| 109 | } |
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[840b213] | 110 | |
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[3262009] | 111 | stn = osnew(station); |
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| 112 | stn->name = osstrdup(name); |
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| 113 | stn->pt = *pt; |
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| 114 | stn->next = htab[v]; |
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| 115 | htab[v] = stn; |
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| 116 | } |
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| 117 | |
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| 118 | static void |
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| 119 | tree_remove(const char *name, const img_point *pt) |
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| 120 | { |
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[2dfd768] | 121 | int v = hash_string(name) & (TREE_SIZE - 1); |
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[3262009] | 122 | station **prev; |
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| 123 | station *p; |
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[421b7d2] | 124 | |
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[3262009] | 125 | for (prev = &htab[v]; *prev; prev = &((*prev)->next)) { |
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| 126 | if (strcmp((*prev)->name, name) == 0) break; |
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| 127 | } |
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[421b7d2] | 128 | |
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[3262009] | 129 | if (!*prev) { |
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[c0635e7] | 130 | added *add = osnew(added); |
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| 131 | add->name = osstrdup(name); |
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| 132 | add->next = added_list; |
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| 133 | added_list = add; |
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| 134 | c_added++; |
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[3262009] | 135 | fChanged = fTrue; |
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| 136 | return; |
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| 137 | } |
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[421b7d2] | 138 | |
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[2dfd768] | 139 | if (fabs(pt->x - (*prev)->pt.x) - threshold > TOLERANCE || |
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| 140 | fabs(pt->y - (*prev)->pt.y) - threshold > TOLERANCE || |
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| 141 | fabs(pt->z - (*prev)->pt.z) - threshold > TOLERANCE) { |
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[96e1f97] | 142 | printf(msg(/*Moved by (%3.2f,%3.2f,%3.2f): %s*/500), |
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[3262009] | 143 | pt->x - (*prev)->pt.x, |
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| 144 | pt->y - (*prev)->pt.y, |
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| 145 | pt->z - (*prev)->pt.z, |
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| 146 | name); |
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[96e1f97] | 147 | putnl(); |
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[3262009] | 148 | fChanged = fTrue; |
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| 149 | } |
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[421b7d2] | 150 | |
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[3262009] | 151 | osfree((*prev)->name); |
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| 152 | p = *prev; |
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| 153 | *prev = p->next; |
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| 154 | osfree(p); |
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| 155 | } |
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| 156 | |
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| 157 | static int |
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| 158 | tree_check(void) |
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| 159 | { |
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[a20d9b9] | 160 | size_t c = 0; |
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| 161 | char **names; |
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[3262009] | 162 | size_t i; |
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[c0635e7] | 163 | |
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| 164 | if (c_added) { |
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| 165 | names = osmalloc(c_added * ossizeof(char *)); |
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| 166 | for (i = 0; i < c_added; i++) { |
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| 167 | added *old; |
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[4c07c51] | 168 | SVX_ASSERT(added_list); |
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[c0635e7] | 169 | names[i] = added_list->name; |
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| 170 | old = added_list; |
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| 171 | added_list = old->next; |
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| 172 | osfree(old); |
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| 173 | } |
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[4c07c51] | 174 | SVX_ASSERT(added_list == NULL); |
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[9f9c05e] | 175 | sort_separator = new_separator; |
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[c0635e7] | 176 | qsort(names, c_added, sizeof(char *), cmp_pname); |
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| 177 | for (i = 0; i < c_added; i++) { |
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[96e1f97] | 178 | printf(msg(/*Added: %s*/501), names[i]); |
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| 179 | putnl(); |
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[c0635e7] | 180 | osfree(names[i]); |
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| 181 | } |
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| 182 | osfree(names); |
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| 183 | } |
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| 184 | |
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[2dfd768] | 185 | for (i = 0; i < TREE_SIZE; i++) { |
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[3262009] | 186 | station *p; |
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[a20d9b9] | 187 | for (p = htab[i]; p; p = p->next) c++; |
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| 188 | } |
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| 189 | if (c == 0) return fChanged; |
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| 190 | |
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| 191 | names = osmalloc(c * ossizeof(char *)); |
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| 192 | c = 0; |
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[2dfd768] | 193 | for (i = 0; i < TREE_SIZE; i++) { |
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[a20d9b9] | 194 | station *p; |
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| 195 | for (p = htab[i]; p; p = p->next) names[c++] = p->name; |
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| 196 | } |
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[9f9c05e] | 197 | sort_separator = old_separator; |
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[a20d9b9] | 198 | qsort(names, c, sizeof(char *), cmp_pname); |
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| 199 | for (i = 0; i < c; i++) { |
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[96e1f97] | 200 | printf(msg(/*Deleted: %s*/502), names[i]); |
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| 201 | putnl(); |
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[3262009] | 202 | } |
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[a20d9b9] | 203 | return fTrue; |
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[3262009] | 204 | } |
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| 205 | |
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[9f9c05e] | 206 | static int |
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[0da6e60] | 207 | parse_file(const char *fnm, const char *survey, |
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| 208 | void (*tree_func)(const char *, const img_point *)) |
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[840b213] | 209 | { |
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| 210 | img_point pt; |
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| 211 | int result; |
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[9f9c05e] | 212 | int separator; |
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[421b7d2] | 213 | |
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[a2ad284] | 214 | img *pimg = img_open_survey(fnm, survey); |
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[840b213] | 215 | if (!pimg) fatalerror(img_error(), fnm); |
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[9f9c05e] | 216 | separator = pimg->separator; |
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[840b213] | 217 | |
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| 218 | do { |
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| 219 | result = img_read_item(pimg, &pt); |
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| 220 | switch (result) { |
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| 221 | case img_MOVE: |
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| 222 | case img_LINE: |
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| 223 | break; |
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| 224 | case img_LABEL: |
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| 225 | tree_func(pimg->label, &pt); |
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| 226 | break; |
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| 227 | case img_BAD: |
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| 228 | img_close(pimg); |
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[b8720f8] | 229 | fatalerror(img_error(), fnm); |
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[840b213] | 230 | } |
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| 231 | } while (result != img_STOP); |
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[421b7d2] | 232 | |
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[840b213] | 233 | img_close(pimg); |
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[9f9c05e] | 234 | return separator; |
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[840b213] | 235 | } |
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| 236 | |
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[a420b49] | 237 | int |
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[acc20b1] | 238 | main(int argc, char **argv) |
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[a420b49] | 239 | { |
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[73a8a94] | 240 | char *fnm1, *fnm2; |
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[421b7d2] | 241 | const char *survey = NULL; |
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[76bbb7c9] | 242 | |
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[bdfe97f] | 243 | msg_init(argv); |
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[d06141c] | 244 | |
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[3262009] | 245 | cmdline_set_syntax_message("FILE1 FILE2 [THRESHOLD]", |
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[421b7d2] | 246 | "FILE1 and FILE2 can be .pos or .3d files\n" |
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[acc20b1] | 247 | "THRESHOLD is the max. ignorable change along " |
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| 248 | "any axis in metres (default " |
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| 249 | STRING(DFLT_MAX_THRESHOLD)")"); |
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| 250 | cmdline_init(argc, argv, short_opts, long_opts, NULL, help, 2, 3); |
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[76bbb7c9] | 251 | while (1) { |
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| 252 | int opt = cmdline_getopt(); |
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| 253 | if (opt == EOF) break; |
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| 254 | if (opt == 's') survey = optarg; |
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[acc20b1] | 255 | } |
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| 256 | fnm1 = argv[optind++]; |
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| 257 | fnm2 = argv[optind++]; |
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| 258 | if (argv[optind]) { |
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| 259 | optarg = argv[optind]; |
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| 260 | threshold = cmdline_double_arg(); |
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[73a8a94] | 261 | } |
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[bfe1242] | 262 | |
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[3262009] | 263 | tree_init(); |
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[bfe1242] | 264 | |
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[9f9c05e] | 265 | old_separator = parse_file(fnm1, survey, tree_insert); |
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[3262009] | 266 | |
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[9f9c05e] | 267 | new_separator = parse_file(fnm2, survey, tree_remove); |
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[421b7d2] | 268 | |
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[3262009] | 269 | return tree_check() ? EXIT_FAILURE : EXIT_SUCCESS; |
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[d1b1380] | 270 | } |
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