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Auxiliary Measurements

So far the only type of item we have seen is the piece. The piece is something real: steel which is going to be cut and bent. On the other hand, an auxiliary measurement only gives additional information. Therefore, it is not taken into account to calculate the weight.

Choose General->Models->Add / Change / Delete.

Type model code 2012 and press OK.

You are now in the model window. Choose the menu option Item->Add Piece.

The mouse pointer has changed to + (crosshairs) and on the window title you can read: INDICATE BEGINNING POINT OF NEW PIECE.

Click with the left mouse button on 3-B.

Click with the right mouse button on 3-H.

Click with the right mouse button on 17-H.

Press Esc.

Choose the menu option Item->Add Piece.

The mouse pointer has changed to + (crosshairs) and on the window title you can read: INDICATE BEGINNING POINT OF NEW PIECE.

Click with the LEFT button on 4-D.

Click with the RIGHT mouse button on 18-D.

Click with the RIGHT mouse button on 18-J.

Press Esc.

Choose the menu option Item->Add Simple Auxiliary Measurement

The mouse pointer has changed to + (crosshairs) and on the window title you can read: INDICATE BEGINNING OF AUXILIARY MEASUREMENT.

Click with the LEFT button on 7-D.

On the window title you can read: INDICATE END OF AUXILIARY MEASUREMENT.

Click with the right button on 7-H. You could have used the left button but, as was explained in the case of pieces, the right button guarantees angles which are 0 or multiple of 45.

The mouse pointer has changed to its original shape. You are no longer drawing. It has not been necessary to press Esc because auxiliary measurements only have one member, so the program knows you have finished drawing it. In the case of pieces you must press Esc to indicate there are no more members.

The aux. measurement you have just drawn is in red, and on the window caption you can read:

DRAWING MODE, Working with ITEM: Aux. Measurement[3]

This means it is an aux. measurement, and the third item in the model.

You can move, copy, change size, rotate, etc. in a similar way as has been explained for pieces. Remember that to perform these operations you must be in the ITEM setting.

You can also perform the same operations with members and values which have been explained in the Members and values chapter. If you perform a "MOVE" operation while in the ITEM setting you move the Aux. Measurement, but if you perform the same operation while in the MEMBER setting you change it.

Aux. measurements only have one member. As a result the symbol which represents the value has a different structure.

A piece value which is [2:3L] for instance, means the value which represents the length of the third member of a piece which is the second item in the model.

On the other hand the value of the aux. measurement you have drawn is [3C]. This means it is the value of an aux. measurement which is the third item in the model. When you see "C" in a value symbol, you know it is the value of an aux. measurement.

Aux. measurements have no angle values. It is also an important difference with pieces.

Press F2 or choose Drawing->Toggle: WORK with ITEM / MEMBER / VALUE until "VALUE" is included in the window caption and the aux. measurement's length is selected you'll read on the window caption:

DRAWING MODE, Working with VALUE: Aux. Measur.Value[3C]

[3C] is the symbol of the value.

It is important to know the symbols of values in order to use them in calculated expressions of other values. You can know the symbol of each value by selecting it with the mouse while you are in the VALUE setting.

Choose File->Exit.

Answer Yes to the question: Do you want to save the model ?

Test this model by using it in an order.

We will use it in the next chapter.

You have created the auxiliary measurement by choosing:

Item->Add Simple Auxiliary Measurement

You can also choose:

Item->Add Auxiliary Measurement, only value

In this case only the value is created, without drawing any line. It can also be used in calculated expressions. It is an Item which consists of one value. To move it you should be in the ITEM setting.

You can also create an Aux. Measurement with: Item->Add Complex Auxiliary Measurement. In this case a box appears so you can decide the type of Aux. Measurement:

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