| Quintiq file version 2.0 | 
| #parent: #root | 
| Method InitConstraintsforCampaignCalcElementTypePeriodUnderloadedStart ( | 
|   CapacityPlanningSuboptimizer_CapacityPlanningAlgorithm program, | 
|   const LibOpt_Scope scope | 
| ) const | 
| { | 
|   TextBody: | 
|   [* | 
|     campaignunderloadstart_constname := typeof( MPCalcElementTypePeriodUnderloadedStartConstraint ); | 
|     scalefactor_PTQtyInCampaignElementTypeStart_const := this.ScaleConstraintTerm( typeof( MPPTQtyInCampaignElementTypeStartVariable ), campaignunderloadstart_constname ); | 
|     scalefactor_CampaignElementTypePeriodUnderloadedStart_const := this.ScaleConstraintTerm( typeof( MPCampaignElementTypePeriodUnderloadedStartVariable ), campaignunderloadstart_constname ); | 
|     scalefactor_DurationOfCampaignElementTypeStart_const := this.ScaleConstraintTerm( typeof( MPDurationOfCampaignElementTypeStartVariable ), campaignunderloadstart_constname ); | 
|      | 
|     traverse( scope.GetUnitPeriodInOptimizerRunConst(), Elements.OptCampaignUnitSubPeriod, ocusp ) | 
|     { | 
|       traverse( ocusp, OptCampaignCombiElement.OptCampaignElementType, ocet, ocet.OptCampaignOperationInElementType( relsize ) > 0 ) | 
|       { | 
|         constr := program.CalcElementTypePeriodUnderloadedStartConstraints().New( ocet, ocusp ); | 
|         // Sum ( max capacity usage per quantity * PTQty in Element Type start | 
|         traverse( ocet, OptCampaignOperationInElementType, ocoet ) | 
|         { | 
|           maxcap := ocoet.Operation().GetCapacityUsagePerQuantity( ocusp.UnitPeriod() ); | 
|           varcampaignptqtystart := program.PTQtyInCampaignElementTypeStartVariables().Get( ocoet, ocusp ); | 
|           constr.NewTerm( maxcap * scalefactor_PTQtyInCampaignElementTypeStart_const, varcampaignptqtystart );  | 
|         } | 
|         // Add slack variable ElementTypePeriodUnderloadedStart | 
|         varcampaignunderloadstart := program.CampaignElementTypePeriodUnderloadedStartVariables().Get( ocet, ocusp ); | 
|         constr.NewTerm( 1.0 * scalefactor_CampaignElementTypePeriodUnderloadedStart_const, varcampaignunderloadstart ); | 
|          | 
|         // Subtract total available capactity * relative duration of element start type | 
|         totalcap := ocusp.UnitPeriod().GetTotalAvailableCapacity(); | 
|         duration := ocusp.UnitPeriod().Duration(); | 
|         factor := totalcap / duration.HoursAsReal(); | 
|         varcampaigndurationstart := program.DurationOfCampaignElementTypeStartVariables().Get( ocet, ocusp ); | 
|         constr.NewTerm( - factor * scalefactor_DurationOfCampaignElementTypeStart_const, varcampaigndurationstart ); | 
|       }  | 
|     } | 
|   *] | 
| } |