source: GTP/trunk/Lib/Vis/Preprocessing/scripts/generate_viewcells.env @ 2542

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

Scene {

        filename ../data/vienna/vienna_cropped.obj
}


Preprocessor {
        samplesPerPass 500000
        type vss
        detectEmptyViewSpace true
        loadMeshes false
        
        # internal raycaster: 0, intel: 1
        rayCastMethod 0  
        
        exportVisibility false
        applyVisibilityFilter false
        applyVisibilitySpatialFilter false
}


VssTree {
        maxDepth        2
        
        maxTotalMemory  50
        maxStaticMemory 20
        
        splitType regular
        splitUseOnlyDrivingAxis true
}


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


KdTree {
        sahUseFaces true

        Termination {
                minCost 0
                maxDepth 20
                
                maxCostRatio 1.5
                ct_div_ci 0.5
        }

        splitMethod SAH
        splitBorder 0.01
}

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

        splitMethod SAH
        splitBorder 0.01
}


ViewCells {
        
        # samples used for view cell construction in the merge step
        Construction {
                samples 0
                samplesPerPass 1000000
        }

        # number of active view cells
        active 25000
        maxStaticMemory 40

        exportToFile true
        loadFromFile false

        #exportPvs true

        # type of view cells
        type vspOspTree
        
        #this ratio of the biggest pvs gives the threshold when a pvs is considered invalid
        maxPvsRatio 1.0
                
        processOnlyValidViewCells false

        samplingType box

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

        Visualization {
                # how much samples we use for visualization
                samples 0
                exportRays true
                exportGeometry true
                exportMergedViewCells false
                useClipPlane true
                clipPlaneAxis 1
                clipPlanePos 0.3
                maxOutput 0
        }

        #showVisualization true
        showVisualization false
        evaluateViewCells false
        

        Evaluation {
                samples         80000000
                samplesForStats 40000000

                samplesPerPass  500000
                stepSize        200

                samplingType box

                histogram true
                histoStepSize 200
                histoMem 60

                statsPrefix ../scripts/viewCells
        }
}


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

VspTree {
        Construction {
                renderCostDecreaseWeight 0.999
        }

        Termination {
                minPvs 0
                maxViewCells 4000
        }

        # heuristics for computing local split planes
        useCostHeuristics false

        # maximum number of tests per node
        maxTests 500000
}



#
# The bounding volume hierarchy
#

BvHierarchy {

        Construction {          
                renderCostDecreaseWeight 0.999
                #renderCostDecreaseWeight 1.0
        }

        Termination {
                maxLeaves 4000
        }

        minRaysForVisibility 3

        # heuristics for computing local split planes
        useCostHeuristics true
        # surface area or visibility based heuristics
        useSah false

        splitUseOnlyDrivingAxis false

        maxTests 500000
}


###############################################################
#
# 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 1000000

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

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

                # if dirty split candidates are reevaluated 
                repairQueue true

                ###################################################

                # minimal steps of same domain (view /object): for interleaved mode
                minStepsOfSameType 100
                maxStepsOfSameType 900

                maxRepairs 2000
        }

        Termination {
                # maximal number of leaves
                maxLeaves 300000
                # maximal memory in MB
                # maxMemory 4
                maxMemory 200
                # minimum ratio of global cost decrease
                minGlobalCostRatio -1
        }
}