Want to measure directly from your monitor using a ruler but struggle to scale your CAD accordingly? Well let us show how you can do just that using Dassault Systèmes CATIA applications!
WARNING: This will only work if any other screen sizing variable has been disabled!
In order to calibrate our display, you will need to set two windows environment variables; CATWidthMMOfScreen and CATHeightMMOfScreen. The variables that you will need to measure are the screen width in millimetres and the screen height in millimetres. e.g. My monitor screen has a width of 595mm and a height of 345mm.
1) Set the Environment Variables in windows:
a) Select the START button on the taskbar and right click on COMPUTER and select PROPERTIES:
b) Select ADVANCED SYSTEM SETTINGS
c) In the SYSTEM PROPERTIES dialog box, ADVANCED tab, select ENVIRONMENT VARIABLES:
d) Select NEW… in the ENVIRONMENT VARIABLES dialog box:
e) Enter two new variables; CATWidthMMOfScreen and CATHeightMMOfScreen with values corresponding to your monitor screen width and height:
f) Press OK and close all dialog boxes.
2) Launch CATIA V5
a) Either open an existing component (Part/Product) or create a new component:
b) Run command “C: SCALE PLANES”:
c) The SCALE PLANES PROPERTIES dialog box will inherit the WIDTH and HEIGHT from the environment variable set in 1). These can be left as default then press OK.
d) Set a standard view e.g. Front/Top/Etc and using a ruler directly measure from your monitor screen for exact measurements.
e) To turn off the screen scaling, simply run the same command from step 2b) again.