Geo3d_Scalar_Field* ZNeuronTracer::extractSeedOriginal(const Stack *mask)
{
/* alloc <dist> */
Stack *dist = Stack_Bwdist_L_U16(mask, NULL, 0);
/* alloc <seeds> */
Stack *seeds = Stack_Local_Max(dist, NULL, STACK_LOCMAX_CENTER);
/* alloc <list> */
Voxel_List *list = Stack_To_Voxel_List(seeds);
/* alloc <pa> */
Pixel_Array *pa = Voxel_List_Sampling(dist, list);
/* free <dist> */
C_Stack::kill(dist);
/* alloc <voxel_array> */
Voxel_P *voxel_array = Voxel_List_To_Array(list, 1, NULL, NULL);
//double *pa_array = (double *) pa->array;
uint16 *pa_array = (uint16 *) pa->array;
printf("%d seeds found.\n", pa->size);
/* alloc field */
Geo3d_Scalar_Field *field = Make_Geo3d_Scalar_Field(pa->size);
field->size = 0;
int i;
for (i = 0; i < pa->size; i++) {
if (IS_IN_OPEN_RANGE3(voxel_array[i]->x, voxel_array[i]->y,
voxel_array[i]->z, 0, seeds->width - 1,
0, seeds->height - 1, 0, seeds->depth - 1)) {
field->points[field->size][0] = voxel_array[i]->x;
field->points[field->size][1] = voxel_array[i]->y;
field->points[field->size][2] = voxel_array[i]->z;
field->values[field->size] = sqrt((double)pa_array[i]);
field->size++;
}
}
/* free <list> */
Kill_Voxel_List(list);
/* free <pa> */
Kill_Pixel_Array(pa);
/* free <voxel_array> */
free(voxel_array);
/* free <seeds> */
C_Stack::kill(seeds);
/* return <field> */
return field;
}
int main(int argc, char* argv[]) {
Stack *stack = Read_Stack("../data/lobster_neuron_single.tif");
Stack_Not(stack, stack);
Stack *dist = Stack_Bwdist(stack);
Stack *seeds = Stack_Local_Max(dist, NULL, STACK_LOCMAX_ALTER1);
Write_Stack("../data/lobster_neuron_seed.tif", seeds);
Voxel_List *list = Stack_To_Voxel_List(seeds);
Pixel_Array *pa = Voxel_List_Sampling(dist, list);
Pixel_Array_Write("../data/lobster_neuron_seeds.pa", pa);
return 0;
}
