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SIMG_LTRM_USEXIT008 - Define Metric for Distance Calculation

SIMG_LTRM_USEXIT008 - Define Metric for Distance Calculation

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This Business Add-In (Add-In) is used in the Task and Resource Management (LE-TRM) component.

This Add-In enables you to define your own method to calculate the distance between two bins within a zone (The Euclidean and Manhattan methods are already defined in the system).

You can base your user-defined distance calculation method on the following data:

  • X, Y and Z coordinates of the source storage bin (IV_ND1X, IV_ND1Y, IV_ND1Z)
  • X, Y and Z coordinates of the destination storage bin (IV_ND2X, IV_ND2Y, IV_ND2Z)

By returning EV_DISTANCE, you receive the distance between the two bins calculated according to your algorithm.

If your forklift is moving simultanously in horizontal and vertical directions, you can ignore the Z coordinate and use the following algorithm:

DISTANCE = SQRT [ ( I_ND2X - I_ND1X ) ** 2 ) + ( I_ND2Y - I_ND1Y ) ** 2 )]

In a case where the forklift is very slow in moving along the Z axis, you need to reflect in the calculation that it is very cost-consuming to move in the horizontal direction. An appropriate equation may be:

DISTANCE= SQRT [ ( I_ND2X - I_ND1X ) ** 2 ) + ( I_ND2Y - I_ND1Y ) ** 2 ) + (( 2 * ( I_ND2Z - I_ND1Z ))**2)]

After you have called the IMG activity, proceed as follows:

  1. In the following dialog box, enter in the field "Implementation" a name for the BAdI implementation and choose Copy.
If implementations have already been created for the BAdI, a dialog box with the existing implementations will be displayed. In this dialog box, choose Create.
  1. In the corresponding field, enter a short text for implementation .
  2. In the tab Propertiesenter filter properties - if this is a filter-dependent BAdI.
  3. Choose the tab Interface.
The name of the implementing class is generated by the system based on the name of your impmlementation. You can change the name.
If the BAdI is a menu exit, the tab FCodes also appears.Enter a function here and, if necessary, additional data.
  1. Save your entries and assign a package.
  2. Position the cursor on a method. Call up the Class Builder by double-clicking it.
  3. Between the statements method <Interface-Name>~<Name of Method>. and endmethod, enter the coding you request for the implementation.
  4. Save and activate your coding, and navigate back to the screen Change Implementation.
  5. Save on the screen Change Implementation.
Note: You can first create an implementation for the BAdI and then activate this later on. In this case, close the processing function at this time.
  1. Choose Activate.
When the application program is executed, the coding you have created will be run.

The Add-In is called from function LTRT_DISTC_CALC. It gets the coordinates of two bins and calculates the distance between them.






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