## On this page # simulation\_framework::evaluator::PredictiveMinTtcEvaluator Class Reference Last update: 16.07.2025 class [PredictiveMinTtcEvaluator](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml "class PredictiveMinTtcEvaluator") [More...](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#details) `#include <predictive_min_ttc_evaluator.h>` Inheritance diagram for simulation_framework::evaluator::PredictiveMinTtcEvaluator: ![Inheritance graph](/sites/default/files/migrate-content/avxcelerate_simulation_framework_2025_r2_2/classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator__inherit__graph.png) \[[legend](graph_legend.xhtml)\] Collaboration diagram for simulation_framework::evaluator::PredictiveMinTtcEvaluator: ![Collaboration graph](/sites/default/files/migrate-content/avxcelerate_simulation_framework_2025_r2_2/classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator__coll__graph.png) \[[legend](graph_legend.xhtml)\] ## Public Member Functions [PredictiveMinTtcEvaluator](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#ad053b6beae6e2c424e89c268bc4c8941) (const std::string &kpi\_name="predictive\_min\_ttc") void [Init](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#aad25aefd4cb26ff9697c441d39de2deb) () override Initializes the KPI logic. void [Reset](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#a8f78acf7646d8476fdbbdc931fbc3ffe) () override Resets the KPI logic. [core::kpi::KpiContent](structsimulation__framework_1_1core_1_1kpi_1_1KpiContent.xhtml) [CalculateKpi](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#a8778dbbad77b21dec72930729a8f52a7) (const osi3::GroundTruth &ground\_truth) override Executes the core KPI calculation logic. core::kpi::Type [GetKpiType](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#afa04796b1e66b16c1f33ee011530cb90) () const override Retrieves the KPI type. ![-](/sites/default/files/migrate-content/avxcelerate_simulation_framework_2025_r2_2/closed.png) Public Member Functions inherited from [simulation\_framework::core::kpi::IKpi< osi3::GroundTruth >](classsimulation__framework_1_1core_1_1kpi_1_1IKpi.xhtml)[virtual](classsimulation__framework_1_1core_1_1Topic.xhtml) **~IKpi** ()=[default](classsimulation__framework_1_1core_1_1Topic.xhtml) Virtual destructor for proper cleanup of derived classes. ## Detailed Description class [PredictiveMinTtcEvaluator](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml "class PredictiveMinTtcEvaluator") Definition of [PredictiveMinTtcEvaluator](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml "class PredictiveMinTtcEvaluator") class to calculate the minimum time to collision. This will store the lowest value of TTC being observed during one simulation run. Definition at line [30](predictive__min__ttc__evaluator_8h_source.xhtml#l00030) of file [predictive\_min\_ttc\_evaluator.h](predictive__min__ttc__evaluator_8h_source.xhtml). ## Constructor & Destructor Documentation ## [◆ ](#ad053b6beae6e2c424e89c268bc4c8941)PredictiveMinTtcEvaluator() simulation\_framework::evaluator::PredictiveMinTtcEvaluator::PredictiveMinTtcEvaluator ( const std::string & *kpi\_name* = `"predictive_min_ttc"`) Definition at line [11](predictive__min__ttc__evaluator_8cpp_source.xhtml#l00011) of file [predictive\_min\_ttc\_evaluator.cpp](predictive__min__ttc__evaluator_8cpp_source.xhtml). 12 : min_ttc_(std::chrono::milliseconds::max()), kpi_name_(kpi_name) 13{ 14} ## Member Function Documentation ## [◆ ](#a8778dbbad77b21dec72930729a8f52a7)CalculateKpi() [core::kpi::KpiContent](structsimulation__framework_1_1core_1_1kpi_1_1KpiContent.xhtml) simulation\_framework::evaluator::PredictiveMinTtcEvaluator::CalculateKpi ( const osi3::GroundTruth & *input*) overridevirtual Executes the core KPI calculation logic. Parameters inputThe input data required for KPI calculation. ReturnsThe calculated KPI content as a `KpiContent` object. Implements [simulation\_framework::core::kpi::IKpi< osi3::GroundTruth >](classsimulation__framework_1_1core_1_1kpi_1_1IKpi.xhtml#a614cb6051405e8865257360eefff9ab6). Definition at line [23](predictive__min__ttc__evaluator_8cpp_source.xhtml#l00023) of file [predictive\_min\_ttc\_evaluator.cpp](predictive__min__ttc__evaluator_8cpp_source.xhtml). 24{ 25 core::kpi::KpiContent kpi_content; 26 kpi_content.name = kpi_name_; 27 kpi_content.data_type = core::kpi::Datatype::Value::kDouble; 28 kpi_content.type = [GetKpiType](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#afa04796b1e66b16c1f33ee011530cb90)(); 29 kpi_content.unit = "ms"; 30 kpi_content.timestamp.seconds = ground_truth.timestamp().seconds(); 31 kpi_content.timestamp.nanoseconds = ground_truth.timestamp().nanos(); 32 33 auto ttc = predictive_ttc_calculator_.Calculate(ground_truth); 34 35 if (ttc < min_ttc_) 36 { 37 min_ttc_ = ttc; 38 } 39 40 kpi_content.value = std::to_string(min_ttc_.count()); 41 42 return kpi_content; 43} [simulation\_framework::evaluator::PredictiveMinTtcEvaluator::GetKpiType](classsimulation__framework_1_1evaluator_1_1PredictiveMinTtcEvaluator.xhtml#afa04796b1e66b16c1f33ee011530cb90) core::kpi::Type GetKpiType() const override Retrieves the KPI type. **Definition** [predictive\_min\_ttc\_evaluator.cpp:45](predictive__min__ttc__evaluator_8cpp_source.xhtml#l00045) ## [◆ ](#afa04796b1e66b16c1f33ee011530cb90)GetKpiType() core::kpi::Type simulation\_framework::evaluator::PredictiveMinTtcEvaluator::GetKpiType ( ) const overridevirtual Retrieves the KPI type. Indicates the type of KPI, which can be one of the following: - `kpi::Type::kScalar`: A scalar value with a unit. - `kpi::Type::kTimeSeries`: A time series representation. - `kpi::Type::kLog`: A continuous log. ReturnsThe type of the KPI as a `kpi::Type` enum value. Implements [simulation\_framework::core::kpi::IKpi< osi3::GroundTruth >](classsimulation__framework_1_1core_1_1kpi_1_1IKpi.xhtml#aeef163c532f5b7b03e685642cb75ccaa). Definition at line [45](predictive__min__ttc__evaluator_8cpp_source.xhtml#l00045) of file [predictive\_min\_ttc\_evaluator.cpp](predictive__min__ttc__evaluator_8cpp_source.xhtml). 46{ 47 return core::kpi::Type::kScalar; 48} ## [◆ ](#aad25aefd4cb26ff9697c441d39de2deb)Init() void simulation\_framework::evaluator::PredictiveMinTtcEvaluator::Init ( ) overridevirtual Initializes the KPI logic. Sets up any necessary state or resources required for KPI calculation. Implements [simulation\_framework::core::kpi::IKpi< osi3::GroundTruth >](classsimulation__framework_1_1core_1_1kpi_1_1IKpi.xhtml#affa38e79e2d2fe57ac913fa736437fae). Definition at line [16](predictive__min__ttc__evaluator_8cpp_source.xhtml#l00016) of file [predictive\_min\_ttc\_evaluator.cpp](predictive__min__ttc__evaluator_8cpp_source.xhtml). 16{} ## [◆ ](#a8f78acf7646d8476fdbbdc931fbc3ffe)Reset() void simulation\_framework::evaluator::PredictiveMinTtcEvaluator::Reset ( ) overridevirtual Resets the KPI logic. Clears temporary data and prepares the KPI logic for a new calculation, especially if the simulation needs to be restarted. Implements [simulation\_framework::core::kpi::IKpi< osi3::GroundTruth >](classsimulation__framework_1_1core_1_1kpi_1_1IKpi.xhtml#ad08cdb1d1091c84920a9733a81c752a5). Definition at line [18](predictive__min__ttc__evaluator_8cpp_source.xhtml#l00018) of file [predictive\_min\_ttc\_evaluator.cpp](predictive__min__ttc__evaluator_8cpp_source.xhtml). 19{ 20 min_ttc_ = std::chrono::milliseconds::max(); 21} --- The documentation for this class was generated from the following files:- [predictive\_min\_ttc\_evaluator.h](predictive__min__ttc__evaluator_8h_source.xhtml) - [predictive\_min\_ttc\_evaluator.cpp](predictive__min__ttc__evaluator_8cpp_source.xhtml)