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#include <stdio.h>
#include "minc2.h"
#define TESTRPT(msg, val) (error_cnt++, fprintf(stderr, \
"Error reported on line #%d, %s: %d\n", \
__LINE__, msg, val))
static int error_cnt = 0;
#define CX 60
#define CY 55
#define CZ 50
#define NDIMS 3
int main(int argc, char **argv)
{
mihandle_t vol;
int r;
midimhandle_t dim[NDIMS];
mivolumeprops_t props;
int n;
unsigned long coords[NDIMS];
unsigned long count[NDIMS];
int i,j,k;
unsigned int voxel;
printf("Creating volume...\n");
/* Write data one voxel at a time. */
for (i = 0; i < NDIMS; i++) {
count[i] = 1;
}
r = minew_volume_props(&props);
r = miset_props_compression_type(props, MI_COMPRESS_ZLIB);
r = miset_props_zlib_compression(props, 3);
r = miset_props_multi_resolution(props, 1, 3);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_dimension("xspace",MI_DIMCLASS_SPATIAL,MI_DIMATTR_REGULARLY_SAMPLED, CX,&dim[0]);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_dimension("yspace",MI_DIMCLASS_SPATIAL,MI_DIMATTR_REGULARLY_SAMPLED, CY, &dim[1]);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_dimension("zspace",MI_DIMCLASS_SPATIAL,MI_DIMATTR_REGULARLY_SAMPLED, CZ,&dim[2]);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_volume("tst-multi.mnc", NDIMS, dim, MI_TYPE_UINT, MI_CLASS_REAL,props,&vol);
if (r < 0) {
TESTRPT("failed", r);
}
r = miset_volume_valid_range(vol, CX*10000.0 + CY*100 + CZ, 0.0);
r = micreate_volume_image(vol);
if (r < 0) {
TESTRPT("failed", r);
}
r = miget_volume_dimension_count(vol, MI_DIMCLASS_SPATIAL, MI_DIMATTR_ALL, &n);
if (r < 0) {
TESTRPT("failed", r);
}
printf("Writing data...\n");
for (i = 0; i < CX; i++) {
for (j = 0; j < CY; j++) {
for (k = 0; k < CZ; k++) {
coords[0] = i;
coords[1] = j;
coords[2] = k;
voxel = i*10000 + j*100 + k;
r = miset_voxel_value_hyperslab(vol, MI_TYPE_UINT,
coords, count, &voxel);
if (r < 0) {
TESTRPT("Error writing voxel", r);
}
}
}
}
printf("Selecting half-size image\n");
r = miselect_resolution(vol, 1);
if (r < 0) {
TESTRPT("miselect_resolution failed", r);
}
/* OK, now try to read the lower-resolution hyperslab */
coords[0] = 0;
coords[1] = 0;
coords[2] = 0;
count[0] = CX/2;
count[1] = CY/2;
count[2] = CZ/2;
{
unsigned int buffer[CX/2][CY/2][CZ/2];
r = miget_voxel_value_hyperslab(vol, MI_TYPE_UINT,
coords, count, buffer);
if (r < 0) {
TESTRPT("failed", r);
}
}
printf("Selecting quarter-size image\n");
r = miselect_resolution(vol, 2);
if (r < 0) {
TESTRPT("miselect_resolution failed", r);
}
/* OK, now try to read the lower-resolution hyperslab */
coords[0] = 0;
coords[1] = 0;
coords[2] = 0;
count[0] = CX/4;
count[1] = CY/4;
count[2] = CZ/4;
{
unsigned int buffer[CX/4][CY/4][CZ/4];
r = miget_voxel_value_hyperslab(vol, MI_TYPE_UINT,
coords, count, buffer);
if (r < 0) {
TESTRPT("failed", r);
}
}
printf("Return to full resolution.\n");
r = miselect_resolution(vol, 0); /* Back to full resolution */
if (r < 0) {
TESTRPT("miselect_resolution failed", r);
}
printf("Flush any remaining thumbnails.\n");
r = miflush_from_resolution(vol, 3);
if (r < 0) {
TESTRPT("failed", r);
}
r = miclose_volume(vol);
if (r < 0) {
TESTRPT("failed", r);
}
if (error_cnt != 0) {
fprintf(stderr, "%d error%s reported\n",
error_cnt, (error_cnt == 1) ? "" : "s");
}
else {
fprintf(stderr, "No errors\n");
}
return (error_cnt);
}
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