int create_2D_image(void)
{
int r,i;
midimhandle_t hdim[NDIMS-1];
mihandle_t hvol;
short *buf = (short *)malloc(CX * CY * sizeof(short));
double *offsets = (double *)malloc(CX * sizeof(double));
double start_values[NDIMS-1]={-1.01, -2.02};
miboolean_t flag=0;
long count[NDIMS-1];
long start[NDIMS-1];
r = micreate_dimension("xspace", MI_DIMCLASS_SPATIAL, MI_DIMATTR_NOT_REGULARLY_SAMPLED, CX, &hdim[0]);
r = micreate_dimension("yspace", MI_DIMCLASS_USER, MI_DIMATTR_REGULARLY_SAMPLED, CY, &hdim[1]);
for(i=0; i < CX; i++)
{
offsets[i] = (i * i) + 0.1;
}
r = miset_dimension_offsets(hdim[0], CX, 0, offsets);
r = miset_dimension_separation(hdim[1], 0.06);
r = miset_dimension_starts(hdim, NDIMS-1, start_values);
r = micreate_volume("2D_image.mnc", NDIMS-1 , hdim, MI_TYPE_SHORT,
MI_CLASS_REAL, NULL, &hvol);
/* set slice scaling flag to true */
r = miset_slice_scaling_flag(hvol, flag);
r = micreate_volume_image(hvol);
for (i = 0; i < CX*CY; i++) {
buf[i] = (short) i * 0.1;
}
start[0] = start[1] = 0;
count[0] = CX; count[1] = CY;
r = miset_voxel_value_hyperslab(hvol, MI_TYPE_SHORT, start, count, buf);
r = miclose_volume(hvol);
return r<0?1:0;
}
int main(void)
{
mihandle_t vol;
int r;
midimhandle_t dim[NDIMS];
int n;
misize_t coords[NDIMS];
misize_t count[NDIMS];
int i,j,k;
double offset;
unsigned int voxel;
/* Write data one voxel at a time. */
for (i = 0; i < NDIMS; i++) {
count[i] = 1;
}
r = micreate_dimension("time", MI_DIMCLASS_TIME,
MI_DIMATTR_NOT_REGULARLY_SAMPLED, CT, &dim[0]);
if (r < 0) {
TESTRPT("failed", r);
}
for (i = 0; i < CT; i++) {
offset = (i * i) + 100.0;
r = miset_dimension_offsets(dim[0], 1, i, &offset);
if (r < 0) {
TESTRPT("failed", r);
}
}
r = micreate_dimension("xspace",MI_DIMCLASS_SPATIAL,
MI_DIMATTR_REGULARLY_SAMPLED, CX, &dim[1]);
if (r < 0) {
TESTRPT("failed", r);
}
r = miset_dimension_start(dim[1], XSTART);
if (r < 0) {
TESTRPT("failed", r);
}
r = miset_dimension_separation(dim[1], XSTEP);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_dimension("yspace",MI_DIMCLASS_SPATIAL,
MI_DIMATTR_REGULARLY_SAMPLED, CY, &dim[2]);
if (r < 0) {
TESTRPT("failed", r);
}
r = miset_dimension_start(dim[2], YSTART);
if (r < 0) {
TESTRPT("failed", r);
}
r = miset_dimension_separation(dim[2], YSTEP);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_dimension("zspace",MI_DIMCLASS_SPATIAL,
MI_DIMATTR_REGULARLY_SAMPLED, CZ, &dim[3]);
if (r < 0) {
TESTRPT("failed", r);
}
r = miset_dimension_start(dim[3], ZSTART);
if (r < 0) {
TESTRPT("failed", r);
}
r = miset_dimension_separation(dim[3], ZSTEP);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_volume("tst-dim.mnc", NDIMS, dim, MI_TYPE_UINT,
MI_CLASS_REAL, NULL, &vol);
if (r < 0) {
TESTRPT("failed", r);
}
r = micreate_volume_image(vol);
if (r < 0) {
TESTRPT("failed", r);
}
check_dims(vol, dim);
for (i = 0; i < CX; i++) {
for (j = 0; j < CY; j++) {
for (k = 0; k < CZ; k++) {
coords[0] = 0;
coords[1] = i;
coords[2] = j;
coords[3] = 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);
}
}
}
}
r = miclose_volume(vol);
if (r < 0) {
TESTRPT("failed", r);
}
/***** 03-Aug-2004: Added two tests for bugs reported by Leila */
r = miopen_volume("tst-dim.mnc", MI2_OPEN_RDWR, &vol);
if (r < 0) {
TESTRPT("failed", r);
}
r = miget_volume_dimension_count(vol, MI_DIMCLASS_ANY,
MI_DIMATTR_REGULARLY_SAMPLED, &n);
if (r < 0) {
TESTRPT("failed", r);
}
if (n != NDIMS - 1) {
TESTRPT("wrong result", n);
}
r = miget_volume_dimension_count(vol, MI_DIMCLASS_ANY,
MI_DIMATTR_NOT_REGULARLY_SAMPLED, &n);
if (r < 0) {
TESTRPT("failed", r);
}
if (n != 1) {
TESTRPT("wrong result", n);
}
r = miclose_volume(vol);
if (r < 0) {
TESTRPT("failed", r);
}
/* Test #2 - verify that we don't print anything scary if a user
* closes a volume prematurely.
*/
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-vol.mnc", 3, dim, MI_TYPE_SHORT,
MI_CLASS_LABEL, NULL, &vol);
if (r < 0) {
TESTRPT("failed", r);
}
r = miclose_volume(vol);
if (r < 0) {
TESTRPT("failed", r);
}
/** End of tests added 03-Aug-2004 **/
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);
}