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| author | kazer_ <kazer_@ffa7fe5e-494d-0410-b361-a75ebd5db220> | 2008-08-14 13:13:59 +0000 |
|---|---|---|
| committer | kazer_ <kazer_@ffa7fe5e-494d-0410-b361-a75ebd5db220> | 2008-08-14 13:13:59 +0000 |
| commit | 30740e6fba6ba084b288be0abcb384a5d3a7a783 (patch) | |
| tree | 47f93b1799ffcbb87b62d85d6dda17c0f4038992 /navit/tools | |
| parent | 78f5065e53aa002be723f61b00d8f20c315121bf (diff) | |
| download | navit-30740e6fba6ba084b288be0abcb384a5d3a7a783.tar.gz | |
Add:Tools:latlon2bookmark (utility to create a bookmark from coordinates). Thanks edje for writing it
git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@1255 ffa7fe5e-494d-0410-b361-a75ebd5db220
Diffstat (limited to 'navit/tools')
| -rw-r--r-- | navit/tools/latlon2bookmark.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/navit/tools/latlon2bookmark.c b/navit/tools/latlon2bookmark.c new file mode 100644 index 000000000..f7905aba8 --- /dev/null +++ b/navit/tools/latlon2bookmark.c @@ -0,0 +1,121 @@ +/**
+ * this program is free software, please use it as you like.
+ * i am not a programmer, so please have this code reviewed
+ * to make sure it has nog bugs or ill side efects.
+ * use at your own risk
+ * compile it with: gcc -l m -o latlon2bookmark latlon2bookmark.c
+ * Credits for this work goes to edje in #navit
+**/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+int main( int argc, char **argv )
+{
+ char description[256];
+ char lngsign[10];
+ char latsign[10];
+ float lat;
+ float lng;
+ long intlat;
+ long intlng;
+ int i;
+ int n;
+
+ if ( argc < 4 )
+ {
+ printf("\n");
+ printf("This program converts a lat/lon coordinates pair\n");
+ printf("into a bookmark you can use with navit.\n");
+ printf("This program expects 3 arguments in the following order:\n");
+ printf("Lat, Lon and a description\n");
+ printf("and will print a bookmark.\n");
+ printf("for example: latlon2bookmark 51.980344 4.358005 this is my house \n");
+ printf("\n");
+ return 1;
+ }
+
+ lat=atof(argv[1]);
+ lng=atof(argv[2]);
+
+ /* concatenate all parts of the description string */
+ strcpy(description, argv[3]);
+ n=0;
+ for (i=4; i < argc; i++)
+ {
+ /* add spaces between the parts of the description */
+ if ( i < argc )
+ {
+ strcat(description, " ");
+ }
+ strcat(description, argv[i]);
+ n=n+1;
+ }
+
+ if ( lat < -90 )
+ {
+ printf("\n");
+ printf("The first argument must be the lattitude\n");
+ printf("and can't be smaller then -90 (southpole)\n");
+ printf("\n");
+ return 2;
+ }
+
+ if ( lat > 90 )
+ {
+ printf("\n");
+ printf("The first argument must be the lattitude\n");
+ printf("and can't be bigger then 90 (northpole)\n");
+ printf("\n");
+ return 3;
+ }
+
+ if ( lng < -180 )
+ {
+ printf("\n");
+ printf("The second argument must be the longitude\n");
+ printf("and can't be smaller then -180 (oposite the 0 meridian)\n");
+ printf("\n");
+ return 4;
+ }
+
+ if ( lng > 180 )
+ {
+ printf("\n");
+ printf("The first argument must be the longitude\n");
+ printf("and can't be bigger then 180 (oposite the 0 meridian)\n");
+ printf("\n");
+ return 5;
+ }
+
+ /* convert the longitude to an integer */
+ intlng=lng*6371000.0*M_PI/180;
+
+ /* aparently if inlng < 0 , inlng needs to be inverted and a - sign used in the output */
+ strcpy(lngsign, "0x");
+ if ( intlng < 0)
+ {
+ intlng=(intlng ^ 0xffffffff);
+ strcpy(lngsign, "-0x");
+ }
+
+ /* and the same for the latitude */
+ intlat=log(tan(M_PI_4+lat*M_PI/360))*6371000.0;
+
+ /* aparently if inlat < 0 , inlat needs to be inverted and a - sign used in the output */
+ strcpy(latsign, "0x");
+ if ( intlat < 0)
+ {
+ intlat=(intlat ^ 0xffffffff);
+ strcpy(latsign, "-0x");
+ }
+
+ /* print the bookmark */
+ fprintf(stderr,"\n");
+ fprintf(stdout,"mg:%s%x %s%x type=bookmark label=\"%s\"\n",lngsign,intlng,latsign,intlat,description);
+ fprintf(stderr,"\n");
+
+ return 0;
+}
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