ggeoview

• Ideas
  • Sampling
    • From CHEP 2015 Proceedings
    • Alias Method
  • Geometry
    • Prism TIR
    • Cartesian Oval Surface of Revolution
    • Practicalities
  • Optical Tests
  • Spherical Interface Refraction
    • Thin Gaussian Lens
    • Dispersing Prisms
    • Dispersion
• Progress
  • May
  • June
  • July
  • Aug
  • Sept
  • October
  • November
  • December
  • January
  • February
  • March
  • April
  • May
• issues
  • Geocache Versioning ?
  • PMT Distributions
  • Offset Vacuum Base
  • [RESOLVED] Containing Material placeholder leading to DUD in buffer
    • Issue
  • CFG4 PMT Edge Double Reflect
    • FIXED : a TIR bug
  • PMT Test
  • Torch Stratification
    • Summary
    • Issue
    • Visualization Artifact Only ? NO
    • Time Banding
    • Time Compression Artifact ? YEP
    • Improve Time Compression ?
    • Changing Position/Time Domain used for record compression
    • Position Compression Artifact ? Dont think so
    • Refs
  • Leaky Analytic Sphere
    • Executive Summary
    • Refs about floating point epsilon
    • Polar Leak
    • Scaling the BBox
    • Radial Shooting from all directions
  • Leaky Triangulated Box
    • Summary
    • Initial Observation
  • Surface Debug : lacking hits due to surface/volume model mismatch
    • Chroma Solution to same issue
    • How to do this with GGeo ?
    • Approach using AssimpGGeo::convertSensors
    • Possibly a problem with PMT normals ?
    • Detdesc dive
    • Sphere Sphere Intersection
    • How to try some simple replacement cathode ?
    • Analytic OptiX geometry
    • Triangulated Case
    • Now with simplified OptiX geometry
  • Union Splitting
    • Mesh mending
    • Visualisations
    • applying fix to fuller geometry
    • oav fix
    • Check Topology of Meshes
    • Where to do mesh fixing ?
    • Mesh Surgery implemented in openmeshtest-
    • G4DAE/G4 triangulation code quickly goes down rabbit hole
    • Idea mesh scanning to identify internal faces
    • ExplodeZVertices makes it obvious that have two closed meshes, not interior faces of one
    • Single face eyeballing
    • Numerical view
    • many upwards going photons think their m1 is Ac when actually Gd
    • Isolate issue to single volume : 3158
      • OpenGL Eyeballing
      • NumPy Look at faces/vertices
    • Next volume : 3159, same structure acting OK
    • Check at detdesc level
      • ~
  • Box Asymmetry
  • JPMT Scint not working
  • Moving Bookmarks
  • Groupvel Related issues
    • Optical Photon Propagation Times need to use GROUPVEL
      • Where/when/how to bring into GGeo ?
        • Another material property added to the G4DAE export ?
      • GROUPVEL in Geant4
      • G. Horton-Smith, 2005/04/14
      • Geant4 fix into 4.7.1
      • Observe
      • G4MaterialPropertiesTable::SetGROUPVEL
      • Recreate the calc ?
      • Bringing GROUPVEL into Opticks
      • How to handle GROUPVEL in comparison against cfg4- ?
    • Groupvel Kludge Unintended Consequences
  • Nopstep failing to appear : viz debugg
  • Optical Local Time Goes Backward
  • PMT Distributions
  • Scattering : GdLS missing RAYLEIGH
  • Scintillation Photons
    • Tracing thru Opticks
    • G4Scintillation
    • DYB Scintillation props
  • geant4_opticks_integration
    • G4/Op Integration Overview
      • Objectives
      • See Also
      • Approach
      • DONE
      • DEBUGGING
      • TODO
    • Taming Geant4 Verbosity
      • FIXED Issue : g4 geometry cleanup WARNINGs
      • FIXED Issue : g4 process verbosity control
      • Issue : g4 couples table noise, comment call to DumpCutValuesTable()
      • Issue : g4 init is slow, how to cache the physics tables ?
      • Issue : g4 Em noise control
      • Issue : g4 noise control
    • Material Properties
      • [WORKED AROUND] Issue : old GDML export omits material properties
    • Time Goes Backward
      • [FIXED] Issue : with GDML geometry opticalphoton time going backwards
    • G4GUN Debug
      • Integration starting point : pure g4gun
      • Evt debug with npy-/g4gun.py
        • domains
      • Opticks Space Domain
      • G4/GDML Space Domain
      • Geometry Selection
        • shape
        • Fishy flags in history
    • Broken Indexing
    • Broken PMT Test
      • FIXED
      • Issue : photon record positional qwns all zero
    • [FIXED] GUI Photon Flag Names All NULL
      • progress
      • initial issue
• enhancement
  • Analytic Geometry
    • Principal
    • Aligning three geometries
    • Containment Box Handling
    • GPmt Operation
    • Photocathode
    • Test Box Debugging
    • Fixing box normals
    • Face Slicing
    • Photocathode
    • First and Second Solids, Pyrex and contained vacuum
    • Tubs Issue FIXED, was caused by cylinder poking outside its bbox
    • Just Tubs
    • Just Tracing a single instance
    • Plumbing check
    • How to OptiX intersect with CSG solid ?
    • How to proceed ?
    • detdesc PMT is involved
  • Instance Identity
• Geometry Review
  • Related Issue
  • Immediate solution to bad G4DAE export of PMT vacuum
  • Longterm solution
  • Problem avoidance
  • Pie in the sky solution
  • Geometry Pools
    • pmt-/partial detdesc parse
    • GPmt partitioned analytic geometry
    • GCSG analytic geometry
  • Minature Dev Cycle, without the offset
  • GGV test running ggeo-/GGeoTest
  • cfg4-/CDetector
  • cfg4-/CMaker
  • G4DAE Exports
  • pmt-ecd/plot.py
  • assimp-/ColladaParser
  • assimpwrap-/AssimpGGeo
  • ggeo-/GTreeCheck
  • ggeo-/GMergedMesh
  • dump the base and modified meshes from pmt test
  • npy-/mesh.py GMergedMesh check
    • Fixed GGeoTest nodeinfo
  • npy-/analytic_cf_triangulated.py
  • npy-/vacuum_offset.py
• Movie
  • Experience with g4daeview
  • References
  • QuickTime Player 10.3
  • Aspect Ratio
  • What size video ?
  • Automated Screen Capture
  • QuickTime Applescript
  • iMovie importing
• Getting Started with Opticks
  • Exporting Geometry
  • Exporting Event Data
• Conferences
  • GTC
  • CHEP
  • ACAT
• Others
• Production Requirements
  • Choosing a NVIDIA Product Line
  • Choosing GeForce GPU
    • Pascal
    • Maxwell
  • Opticks/OptiX requirements
  • Overview