add a configuration where a pixel verted is done in 3d from pixel tra…

…cks - TO BE USED AT STRARTUP ONLY

RecoVertex/PrimaryVertexProducer/python/OfflinePixel3DPrimaryVertices_cfi.py

@@ -0,0 +1,41 @@
+import FWCore.ParameterSet.Config as cms
+
+pixelVertices = cms.EDProducer("PrimaryVertexProducer",
+    PVSelParameters = cms.PSet(
+        maxDistanceToBeam = cms.double(2), ## 2 cms in case there is no beamspot (ONLY FOR STARTUP!)
+
+        minVertexFitProb = cms.double(0.01) ## 1% vertex fit probability
+
+    ),
+    verbose = cms.untracked.bool(False),
+    algorithm = cms.string('AdaptiveVertexFitter'), ## 100 is for when the beamspot is not well known (ONLY FOR STARTUP)
+    TkFilterParameters = cms.PSet(
+        maxNormalizedChi2 = cms.double(100.0),
+        minSiliconHits = cms.int32(2), ## hits > 2 - for when the beamspot is not well known (ONLY FOR STARTUP)
+
+        maxD0Significance = cms.double(100.0), ## 100 is for when the beamspot is not well known (ONLY FOR STARTUP)
+
+        minPt = cms.double(0.0), ## better for softish events
+
+        minPixelHits = cms.int32(2) ## hits > 2
+
+    ),
+    beamSpotLabel = cms.InputTag("offlineBeamSpot"),
+    # label of tracks to be used
+    TrackLabel = cms.InputTag("pixelTracks"),
+    useBeamConstraint = cms.bool(False),
+    VtxFinderParameters = cms.PSet(
+        ptCut = cms.double(0.0),
+        vtxFitProbCut = cms.double(0.01), ## 1% vertex fit probability
+	trackCompatibilityToSVcut = cms.double(0.01), ## 1%
+        trackCompatibilityToPVcut = cms.double(0.05), ## 5%
+        maxNbOfVertices = cms.int32(0) ## search all vertices in each cluster
+
+    ),
+    TkClusParameters = cms.PSet(
+        zSeparation = cms.double(0.1) ## 1 mm max separation betw. clusters
+
+    )
+)
+
+