ModifyingPointCloudRange.cpp

Demonstrating how to modify coordinates and have their range, and respectively the bounding box, updated accordingly.

Demonstrating how to modify coordinates and have their range, and respectively the bounding box, updated accordingly.

#include <fiber/bundle/Bundle.hpp>
#include <fiber/finit/FinitAPI.h>
 
#include <fiber/field/ArrayRef.hpp>
#include <eagle/PhysicalSpace.hpp>
#include <eagle/ColorSpace.hpp>
 
#include <fiber/fiberop/Range.hpp>
#include <fiber/baseop/ExpandBBox.hpp>
 
#include <memcore/Timer.hpp>
#include <memcore/Console.hpp>
 
using namespace Fiber;
using namespace Eagle::PhysicalSpace;
 
using rgb16 = Eagle::rgb16_t;
 
 
/**@example ModifyingPointCloudRange.cpp
 
   Demonstrating how to modify coordinates and have their
   range, and respectively the bounding box, updated
   accordingly.
 
 */
int     main()
{
        Finit();
BundlePtr BP = new Bundle();
        unlink("outfile.f5");
        BP->bindTo("outfile.f5");
 
Representation&myCartesianRepresentation = BP[1.0]["DemoGrid"].makeCartesianRepresentation(3);
 
const MultiIndex<3> GridDims = MIndex(21,13,17);
RefPtr<Field>&Positions = myCartesianRepresentation[ FIBER_POSITIONS ];
 
        {
        /// An ArrayRef is an implicitly declared MemArray accessed via a RefPtr
        ArrayRef<point, 3> Coordinates(GridDims);
                for(auto I : GridDims)
                {
                point&P = Coordinates[ I ];
                        P.x() = I[0]*0.83;
                        P.y() = I[1]*0.04*I[1];
                        P.z() = I[2]*0.01*I[2]*I[1];
                }
 
                if (auto  CoordinateCreator = Positions->createCreator(Coordinates) )
                {
                RefPtr<BoundingBox> BBox = ComputeBBox( Coordinates );
                        Console() << "Bounding box of " << GridDims << " coordinates is " << *BBox;
 
                auto    Range = DataRange<point>::retrieve( *CoordinateCreator );
                        Console() << "Range of " << GridDims << " coordinates is " << *Range;
 
                        Console() << " Creator Age: " << CoordinateCreator->getAge()
                                  << " vs. Range age: " << Range->getAge();
                }
 
                for(auto I : GridDims)
                {
                point&P = Coordinates[ I ];
                        P.x() = I[0]*0.83          *2.0 - 10.0;
                        P.y() = I[1]*0.04*I[1]     *2.0 - 10.0;
                        P.z() = I[2]*0.01*I[2]*I[1]*2.0 - 10.0;
                }
 
                if (auto  CoordinateCreator = Positions->getCreator())
                {
                        Console() << " TOUCH BBOX Creator Age: " << CoordinateCreator->getAge() << " vs. Range age: "
                                  << DataRange<point>::get_cached_range_if_older_than_data(*CoordinateCreator)->getAge();
 
                        Assert( DataRange<point>::get_cached_range_if_older_than_data(*CoordinateCreator) );
                        CoordinateCreator->touch();
                        Assert( !DataRange<point>::get_cached_range_if_older_than_data(*CoordinateCreator) );
 
                        Console() << " RETRIEVE BBOX Creator Age: " << CoordinateCreator->getAge() << ", no more range available.";
 
                auto    Range = DataRange<point>::retrieve( *CoordinateCreator );
                        Console() << "Modified Range of " << GridDims << " coordinates is " << *Range;
 
                }
        RefPtr<BoundingBox> BBox = ComputeBBox( Coordinates );
                Console() << "Final Bounding box of " << GridDims << " coordinates is " << *BBox;
        }
 
        return 0;
}