/* get cell size
* returns the cell size or -1 in case of an error
*
* Merrno
* ILL_CELLSIZE
* ILLHANDLE
*/
REAL8 RgetCellSize(
const MAP *map) /* map handle */
{
CHECKHANDLE(map);
if ( map->raster.cellSize != map->raster.cellSizeDupl)
{
M_ERROR(ILL_CELLSIZE);
return -1;
}
return(map->raster.cellSize);
}
void RputMinVal(
MAP *map, /* map handle */
const void *minVal) /* New minimum value */
{
/* use buffer that can hold largest
* cell representation
*/
CSF_VAR_TYPE buf_1;
void *buf = (void *)(&buf_1);
CHECKHANDLE(map);
/* make a copy */
CsfGetVarType(buf, minVal, map->appCR);
/* convert */
map->app2file(1, buf);
/* set */
CsfGetVarType( (void *)&(map->raster.minVal), buf, RgetCellRepr(map));
map->minMaxStatus = MM_DONTKEEPTRACK;
}
int hclose(int h) {
CHECKHANDLE(h, -1);
/* If there are multiple duplicates of this handle just remove one
reference. */
if(hndl->refcount > 1) {
--hndl->refcount;
return 0;
}
/* This will guarantee that blocking functions cannot be called anywhere
inside the context of the close. */
int was_stopping = dill_running->stopping;
dill_running->stopping = 1;
/* Send stop signal to the handle. */
dill_assert(hndl->vfptrs.close);
hndl->vfptrs.close(h);
dill_running->stopping = was_stopping;
/* Better be paraniod and delete the function pointer here. */
hndl->vfptrs.close = NULL;
/* Return the handle to the shared pool. */
hndl->next = dill_unused;
dill_unused = h;
return 0;
}
/* y value, upper left co-ordinate of map
* RgetYUL returns the y value of the upper left co-ordinate of map.
* Whether this is the largest or smallest y value depends on the
* projection (See MgetProjection()).
* returns the y value, upper left co-ordinate of map
*/
REAL8 RgetYUL(
const MAP *map) /* map handle */
{
CHECKHANDLE(map);
return(map->raster.yUL);
}
void *hdata(int h, const void *type) {
CHECKHANDLE(h, NULL);
if(dill_slow(type && hndl->type != type)) {errno = ENOTSUP; return NULL;}
return hndl->data;
}
int hdup(int h) {
CHECKHANDLE(h, -1);
++hndl->refcount;
return h;
}
/* get CSF version
* returns CSF version
*/
UINT4 MgetVersion(
const MAP *map) /* map handle */
{
CHECKHANDLE(map);
return (UINT4) (map->main.version);
}
/* gis file id
* returns
* the "gis file id" field
*/
UINT4 MgetGisFileId(
const MAP *map) /* map handle */
{
CHECKHANDLE(map);
return(map->main.gisFileId);
}
