behind()

template<typename Handle >

const VisionStep * MayaFlux::Kinesis::Vision::VisionPass< Handle >::behind ( size_t  offset = 1 ) const

inlinenoexcept

Op at offset steps back, or nullptr before the start.

Counterpart to ahead(), for ops validating what produced their input.

Definition at line 335 of file VisionContext.hpp.

    {
        if (offset > index)
            return nullptr;
        return &sequence->steps[index - offset];
    }

References MayaFlux::Kinesis::Vision::VisionPass< Handle >::index, offset, MayaFlux::Kinesis::Vision::VisionPass< Handle >::sequence, and MayaFlux::Kinesis::Vision::VisionSequence::steps.

Referenced by MayaFlux::Yantra::VisionGpuExecutor::op_find_contours(), MayaFlux::Yantra::VisionGpuExecutor::op_track_keypoints(), and MayaFlux::Kinesis::Vision::VisionExecutor::run().

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