CADD Engineering Standards - Ohio Department of Transportation

January 18, 2013
Changing the Annotation Scale value will cause the display of the Text, Cells and Dimensions to change
according to the value selected. This will affect elements drawn in the active file, as well as Referenced
graphics, depending on the settings when the references were attached.
Important Notes when Referencing:
• Be aware that if the Cells were placed in the basemap using a Scale factor other than a
Scale of 1, with the Cell Annotation Scale Lock on, the referenced cells will be scaled by
the Model Annotation Scale set in the new dgn file and will appear out of scale.
• If the Model Annotation Scale is already set in the design file and the Model Annotation
Scale is set in the Reference at 1:1, the Detail Scale in the Reference Attachment
Settings dialog box displays the Model Annotation Scale and the Scale (Master:Ref)
displays a 1:1 scale like shown below:
• Be aware if the Model Annotation Scale is already set in the design file and the Model
Annotation Scale is set in the Reference other than 1:1, the Detail Scale in the
Reference Attachment Settings dialog box displays the Reference’s Model Annotation
Scale and the Scale (Master:Ref) is then calculated from the referenced model's
annotation scale and the active model's annotation scale.
For example if the Reference file has a Model Annotation Scale set at 1:20 and the
design file has a Model Annotation Scale set at 1:50 the Detail Scale displays the
Reference’s Model Annotation Scale (1:20) and the Scale (Master:Ref) is calculated
2.5:1 as shown below:
To avoid the Reference from scaling in the design file like shown in the example
above make sure the Scale (Master:Ref) is set to 1:1. If the Scale (Master:Ref) is not
set at 1:1 you will need to change it. Once you have set the Scale to 1:1 the Detail
Scale will then read the design file’s Model Annotation Scale that was set like shown
below:
ODOT CADD Engineering Standards 41