So far you have indicated the number of bars and the diameter in the corresponding columns of the order detail window.

However it may happen that you make a model which has more than one item of the Piece type, and you want to be able to assign a different number of units and/or diameter for each Piece. Or you want the number of bars to be the result of some calculation.

To do this, make sure you are working with Item (default setting), select the piece with the mouse and choose Drawing->Change Properties of Current Item/Member/Value or press Enter.

Now you see a window with the properties of this Piece. On its top left corner you can read the Item number. You see there are three buttons: Units, Diameter and Total Length.

Press the Units button. Change the Edit field from Invisible to Edit. Then below you can choose among Forced fill, Recommended or Free. Of course this means if the user will be able to leave this field empty.

You can also choose NoEdit and make it a calculated value. The advantages and disadvantages of choosing Edit or NoEdit for calculated values have been explained in the Calculated values chapter.

If you set the units value to Edit or NoEdit (in both cases is visible, as opposed to the default setting Invisible ) when you make the model, and later it is left empty by the user when creating an order (or if the calculation result is zero), this Piece will not be taken into account to calculate the weight and won’t be drawn when the order and labels are printed.

The total number of each Piece, as regards weight calculation, will be that indicated in the units value multiplied by the number of bars indicated in the order detail window column.

You see in the window with the properties of the Piece there is also a Diameter Button.

Press this button if you want this piece to have a different diameter from that indicated in the order detail window. The diameter indicated in the diameter value, if it is visible, supersedes that indicated in the corresponding order detail window column. If you set the value to Edit or NoEdit, it is visible, as opposed to the default setting Invisible.

In the window with the properties of the Piece there is also a Total Length Button.

Press this button if you want the total length of this piece to be different from the sum of its bending lengths. The total length indicated in this value, if it is visible, supersedes the sum of its bending lengths. If you set the value to Edit or NoEdit, it is visible, as opposed to the default setting Invisible. Of course this value can be calculated.