Drawing to scale
How is the scale of drawings calculated?
Scale is the ratio of the dimensions in the drawing to the dimensions in reality. For example, a scale of 1 : 50 means that 1 cm on the map is 50 cm in reality, and 27.7 cm (the width of A4 paper) is 13.85 m.
on paper1 | : | 50real object |
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How to set the scale:
Right-click on the drawing, select menu item Page settings
and select item Page scale
. Select one of the predefined values in the dialogue window that appears. The program shows paper size in actual units.
![Drawing to scale](img/drawing-to-scale.png)
Choose the scale so that the entire drawing fits on the page. It is not advisable to change the scale after that.
Drawing to scale allows you to:
- Enter actual units in the Properties panel
- Drawing scale appears in the title block
- The ruler displays the actual units
How to enter actual dimensions in the Properties panel:
Enter the dimensions in the format numerical value
unit
. The unit is one of: mm, cm, m, km. Examples: 6 mm, 12.5 cm, 5.11 m etc.
![Drawing scale in the title block](img/scale-in-title-block.png)
Drawing scale in the title block
To display drawing scale in the title block, use system variable {_sc}. New title block "standard8.ptb" contains drawing scale.
To assign a title block to a drawing:
- Press the
F12
key - Choose
Document
-Title Block
- Press the
Change
button and select one of the title blocks.
Representation of actual units of measurement on the ruler
![The ruler with a scale](https://www.proficad.com/help/de/img/scale/ruler.png)
The ruler displays the current scale and real dimensions.