+void
+Projections::initFromScanner (const Scanner& scanner)
+{
+ deleteProjData();
+ init (scanner.nView(), scanner.nDet());
+
+ m_phmLen = scanner.phmLen();
+ m_rotInc = scanner.rotInc();
+ m_detInc = scanner.detInc();
+ m_rotStart = 0;
+ m_detStart = -scanner.radius() + (scanner.detInc() / 2);
+ m_phmLen = scanner.phmLen();
+}
+
+void
+Projections::setNView (int nView) // used by MPI to reduce # of views
+{
+ deleteProjData();
+ init (nView, m_nDet);
+}