add option to influence time interval for peak search

src/config.py

@@ -99,6 +99,10 @@ class Config(HasPaths):
         default=200.,
         help='threshold on detector function')
 
+    detector_tpeaksearch = Float.T(
+        optional=True,
+        help='search time span for peak detection')
+
     fill_incomplete_with_zeros = Bool.T(
         default=False,
         help='fill incomplete trace time windows with zeros '

src/core.py

@@ -180,7 +180,10 @@ def search(
     tshift_min = min(tshift_minmaxs)
     tshift_max = max(tshift_minmaxs)
 
-    tpeaksearch = (tshift_max - tshift_min) + 1.0 / fsmooth_min
+    if config.detector_tpeaksearch is not None:
+        tpeaksearch = config.detector_tpeaksearch
+    else:
+        tpeaksearch = (tshift_max - tshift_min) + 1.0 / fsmooth_min
 
     tpad = max(ifc.get_tpad() for ifc in ifcs) + \
         (tshift_max - tshift_min) + tpeaksearch