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5.10. Specify automatically created dimensionings (notations) for 3D view and 2D derivation 5.10.7. Optional parameters Details
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5.10.7. Optional parameters Details

5.10.7.1. Correct display of inch variables in dimensionings

The following overview on optional parameters applies for all types of dimensioning and annotation:

Horizontal, vertical and parallel dimensioning
Radial dimensioning
Angular dimensioning
Annotation
Part annotation

The singe parameters:

Text

Text can be created in different ways:
- {AUTOMATIC}: An automatically generated value of dimensioning (default)
  
  Example:
```
{AUTOMATIC}
```
- Any text
  
  Delete the expression "{AUTOMATIC}" and enter the desired text.
- Any text combined with an automatically generated value of dimensioning
  
  Examples:
  - The degree symbol shall be displayed in addition to the value of dimensioning.
    
    {AUTOMATIC} °
  - Any PARTdesigner expression can be used.
    
    E.g. {partname@variable}: Part name with declaration of variable
    
    This dimensioning has the length {RZ500@D}
    
    If the automatic calculation of the numeric value does not result in an adequate rounding (9.99999), you can choose another way of calculation with PARTdesigner expressions (see Section 15.1, “PARTdesigner-Expressions ”).
    
    You can also convert from inch to mm and display the unit in addition.
- Correct display of inch variables in dimensionings
Variable mapping

Enter the desired variable here, which shall be editable later for user input. Ideally, use the same name, which you already used under Description. Once the entry is made, in the 3D view, the respective icon is displayed.

When clicking on the icon , you can directly adjust the characteristic in the 3D view.

Compare under Section 3.1.7.6.6, “Change characteristic via dimension labels ” in PARTsolutions / PARTcommunity4Enterprise - User manual.
Font size

If there is no statement, then 3.5 is set by default. Unit is according to the drawing unit.

Alternatively you can use PARTdesigner Expressions.

Example:
```
 15*RZ500@D/20
```
See Section 15.1, “PARTdesigner-Expressions ”.
Condition

For this, you can use all PARTdesigner expressions. See Section 15.1, “PARTdesigner-Expressions ”.

Examples:
```
IF SHORTVIEW@HUB2D=0 THEN AUTOMATIC ELSE AUTOMATIC+HUB-SHORTVIEW@HUB2D ENDIF
```
```
IF SHORTVIEW@HUB2D=0 THEN AUTOMATIC ELSE H2 ENDIF
```

Arrow size / Arrow factor

Note

Arrow size and Font size are in a defined proportionality. That means, if the font becomes larger then the arrows as well.

The proportionality between Font size and Arrow size differs in different versions.

9.04 and older:

=> Font size 3.5 and Arrow size = 3.5 => “normal" arrow size
9.05 bis 9.07 SP0:

=> Font size 3.5 and Arrow size = 1 => “normal" arrow size

>= 9.07 SP1:

=> Font size 3.5 and Arrow size = 1 => Arrow size depends on Arrow factor

>= V9.07 SP1: Arrow factor = 1

>= V9.07 SP1: Arrow factor = 0

>= 9.08 SP0:

With Version 10 the structure of the user interface is more clear. There is only one value under "Arrow size". This is applied to "Font size" as a factor if the option "Arrow factor" is activated.

Note

For new created dimensionings as of version 9.08 SP0 the parameter Arrow factor should be used, meaning the checkbox should be activated.

Older versions will not interpret it. Without special declaration the versions from 9.05 to 9.07 SP0 will display normal arrow size. Versions <= 9.04 will display smaller arrows

Arrow factor activated: The value of Arrow size is interpreted as a factor. The font size is multiplied with the factor. (If no value for font size is inserted 3.5 is automatically set).

The input may be a simple value.
```
0.5
```
Alternatively, the input may be a PARTdesigner-Expression.
```
15*RZ500@D/20
```
Arrow factor deactivated: The value under Arrow size is interpreted according to the "old" proportionality of Font size and Arrow size.

All statements concern the automatic dimensioning described here, but not the interactive dimensioning via toolbar.

Arrow position

With this function you can flip arrows to the other side of dimensioning lines while text is kept centered at the same time (due to lack of space).

New option "Arrow position"
- Default:
  
  In 3D, arrows and text are inside the dimensioning lines.
  
  In 2D as well. However, when there is a lack of space the arrows will automatically switch to the outside.
  
  This behavior corresponds to that of previous versions both in 3D and 2D.
  
  Keep in mind that this depiction is basically used in previous versions.
- Keep position: Arrows keep their position in any case, both in 3D and 2D.
- Flip side: The arrows flip side, text remains centered, both in 3D and 2D.
Accuracy

The value specifies how accurate a numerical value on the dimensioning arrow has to be.
- 1: No decimal places (default)
- 0,1: one decimal place
- 0,01: two decimal places
- etc.

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5.10.7. Optional parameters Details