source: GTP/trunk/Lib/Vis/Preprocessing/scripts/generate_viewcells.env @ 1746

##############################################################################
# ERS default configuration file
# Jiri Bittner 2003
#############################################################################

Scene {

#       filename glasgow1.x3d
#       filename vienna.x3d
#       filename ../data/vienna/vienna-simple.x3d
#       filename ../data/vienna/vienna-buildings.x3d
#       filename ../data/vienna/vienna-roofs.x3d
#       filename ../data/vienna/vienna-buildings.x3d;../data/vienna/vienna-roofs.x3d;../data/vienna/vienna-roads.x3d
#       filename ../data/vienna/vienna-buildings_vienna-roofs_vienna-roads_vienna-plane_cropped.obj
        filename ../data/vienna/vienna_cropped.obj
#;../data/vienna/vienna-plane.x3d
#       filename ../data/vienna/vienna-buildings.x3d;../data/vienna/vienna-roofs.x3d;../data/vienna/vienna-roads.x3d;../data/vienna/vienna-plane.x3d
#       filename ../data/vienna/viewcells-25-sel.x3d
#       filename ../data/atlanta/atlanta2.x3d
#       filename ../data/soda/soda.dat
#       filename ../data/soda/soda5.dat
#       filename ../data/artificial/cube_test.x3d
#       filename ../data/grandcanyon1_RotXmin90.obj
#       filename ../data/CityModel.obj
#       filename ../data/arena/arena-low-lods.obj
}


Preprocessor {
        useGlRenderer false
        type vss
        detectEmptyViewSpace true
        loadMeshes false
        # internal raycaster
        rayCastMethod 0
        # intel raycaster
        #rayCastMethod 1
        exportVisibility false
        loadKdTree false
        exportKdTree false 
#       exportObj true
        applyVisibilityFilter false
        applyVisibilitySpatialFilter false
}


VssPreprocessor {
        initialSamples 0
        vssSamples 0
        useImportanceSampling true
        loadInitialSamples  false
        storeInitialSamples false
}


VssTree {
        useRss    false
        epsilon         1e-6
        
        maxDepth        2
        minPvs          30
        minRays         800
        minSize         0.001
        maxCostRatio    1.5
        maxRayContribution 0.5
                
        maxTotalMemory  50
        maxStaticMemory 20
        
        splitType regular
        #       splitType heuristic
        #       splitType hybrid
        splitUseOnlyDrivingAxis true
        
        interleaveDirSplits     true
        dirSplitDepth 0
        
        numberOfEndPointDomains 10000
        ct_div_ci       0.0
        randomize       false
        
        refDirBoxMaxSize        0.1
}


Limits {
       threshold        1e-6
       small            1e-6
       infinity         1e9
}


Unigraphics {
        meshGrouping 1
}


KdTree {
        sahUseFaces true

        Termination {
                minCost 0
                maxDepth 20
                
                maxCostRatio 1.5
                ct_div_ci 0.5
        }

#       splitMethod spatialMedian
        splitMethod SAH
        splitBorder 0.01
}

MeshKdTree {
        Termination {
                minCost 1
                maxDepth 18
                maxCostRatio 0.9
                ct_div_ci 0.5
        }

#       splitMethod spatialMedian
        splitMethod SAH
        splitBorder 0.01
}


ViewCells {
        
        # samples used for view cell construction 
        # (after the sampling used for the hierarchy)
        Construction {
                samples 0
                samplesPerPass 1000000
        }

        # number of active view cells
        active 50000
        maxStaticMemory 40

        exportToFile true
        loadFromFile false

        exportPvs false

        # type of view cells
        type vspOspTree
        
        #percentage of total visible objects where pvs is considered invalid
        maxPvsRatio 1.0
                
        processOnlyValidViewCells false

        #samplingType object_directional
        #samplingType directional
        samplingType box
        #samplingType reverse_object
        #samplingType object

        PostProcess {
                # how much samples are used for post processing
                samples 0
                maxMergesPerPass 5000
                useRaysForMerge false
                refine false
                compress false
                merge false
        }

        Visualization {
                # how much samples we use for visualization
                samples 200
                exportRays true
                exportGeometry true
                exportMergedViewCells false
                useClipPlane true
                clipPlaneAxis 1
                clipPlanePos 0.3
                maxOutput 2
        }

        showVisualization true
        #showVisualization false
        evaluateViewCells false
        
        Evaluation {
                samples         80000000
                samplesForStats 80000000
                samplesPerPass  2000000

                stepSize        500

                #samplingType object_directional
                #samplingType reverse_object
                #samplingType object
                samplingType box

                statsPrefix ../scripts/viewCells
        }
}


################################
#
# View space partitioning kd tree
#

VspTree {
        Construction {
                renderCostDecreaseWeight 1.0
        }

        Termination {
                minPvs 0
                maxViewCells 500000
        }

        useCostHeuristics true
        splitUseOnlyDrivingAxis false

        # maximum number of tests per node
        maxTests 50000
}


##########################
#
# The bounding volume hierarchy
#

BvHierarchy {

        Construction {          
                renderCostDecreaseWeight 1.0
        }

        Termination {
                maxLeaves 50000000
        }

        minRaysForVisibility 15

        # use only surface area heuristic       
        useCostHeuristics true
        useSah false

        splitUseOnlyDrivingAxis false

        maxTests 50000
}


###############################################################
#
# Manages the construction of view space and object space partition
#

Hierarchy {
        # the type of object space partition: view space is always vsp (=kd) partition
        type bvh
        
        Construction {

                samples 3000000

                # type 0 = sequential computation, 1 = interleaved, 2 = gradient
                type 2

                ###############################
                # only for interleaved method

                # minimal steps of same type for gradient method
                minStepsOfSameType 100
                # maximum steps of same type for gradient method
                maxStepsOfSameType 900

                # maximum number of repair steps per gradient step
                maxRepairs 1000
        }

        Termination {
                # maximal number of leaves
                maxLeaves 100000
                # maximal memory in MB
                maxMemory 18
                # minimum ratio of global cost decrease
                minGlobalCostRatio -1
        }
}