+ processSignal.filterSignal (detval, filteredProj);
+
+#ifdef HAVE_BSPLINE_INTERP
+ if (interp_type == I_BSPLINE)
+ bspline (m_nDet, zoom_factor, spline_order, filteredProj, filteredProj);
+
+#ifdef HAVE_SGP
+ if (trace >= TRACE_PLOT && interp_type == I_BSPLINE) {
+ bspline (m_nDet, zoom_factor, spline_order, filteredProj, filteredProj);
+ ezplot_1d (filteredProj, n_filteredProj);
+ }
+#endif
+#endif
+
+ bj.BackprojectView (filteredProj, darray.viewAngle());