static void sample_tile(texgz_tex_t* src,
int month, int x, int y,
double latT, int lonL,
double latB, int lonR)
{
assert(src);
LOGD("debug month=%i, x=%i, y=%i, latT=%lf, lonL=%lf, latB=%lf, lonR=%lf",
month, x, y, latT, lonL, latB, lonR);
char fname[256];
snprintf(fname, 256, "bluemarble%i/9/%i_%i.pak", month, x, y);
pak_file_t* pak = pak_file_open(fname, PAK_FLAG_WRITE);
if(pak == NULL)
{
return;
}
int i;
int j;
for(i = 0; i < NEDGZ_SUBTILE_COUNT; ++i)
{
for(j = 0; j < NEDGZ_SUBTILE_COUNT; ++j)
{
sample_subtile(src, pak, x, y, i, j, latT, lonL, latB, lonR);
}
}
pak_file_close(&pak);
}
static int sample_tile(int x, int y, int zoom)
{
LOGD("debug x=%i, y=%i, zoom=%i", x, y, zoom);
nedgz_tile_t* tile = nedgz_tile_new(x, y, zoom);
if(tile == NULL)
{
return 0;
}
// sample subtiles i,j
int j;
int i;
for(i = 0; i < NEDGZ_SUBTILE_COUNT; ++i)
{
for(j = 0; j < NEDGZ_SUBTILE_COUNT; ++j)
{
if(sample_subtile(tile, i, j) == 0)
{
goto fail_sample;
}
}
}
if(nedgz_tile_export(tile, "ned") == 0)
{
goto fail_export;
}
nedgz_tile_delete(&tile);
// success
return 1;
// failure
fail_export:
fail_sample:
nedgz_tile_delete(&tile);
return 0;
}
static int sample_tile(int x, int y, int zoom)
{
LOGD("debug x=%i, y=%i, zoom=%i", x, y, zoom);
// create directories if necessary
char dname[256];
snprintf(dname, 256, "heightmap/%i", zoom);
if(mkdir(dname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) == -1)
{
if(errno == EEXIST)
{
// already exists
}
else
{
LOGE("mkdir %s failed", dname);
return 0;
}
}
nedgz_tile_t* tile = nedgz_tile_new(x, y, zoom);
if(tile == NULL)
{
return 0;
}
char fname[256];
snprintf(fname, 256, "heightmap/%i/%i_%i.pak", zoom, x, y);
pak_file_t* pak = pak_file_open(fname, PAK_FLAG_WRITE);
if(pak == NULL)
{
goto fail_pak;
}
// sample subtiles i,j
int j;
int i;
for(i = 0; i < NEDGZ_SUBTILE_COUNT; ++i)
{
for(j = 0; j < NEDGZ_SUBTILE_COUNT; ++j)
{
if(sample_subtile(tile, i, j, pak) == 0)
{
goto fail_sample;
}
}
}
pak_file_close(&pak);
nedgz_tile_delete(&tile);
// success
return 1;
// failure
fail_sample:
pak_file_close(&pak);
fail_pak:
nedgz_tile_delete(&tile);
return 0;
}
