How to Use Background Images

TuMan offers a feature to display any image file (.bmp, .jpg, .png, .gif, .tif) on the screen while entering a database. This is ideal when you have constructional plans of the tunnel you want to enter. Just load the bitmap using the option Bitmap > Import Bitmap from Edit menu

Then you have to scale the bitmap in order to get the right dimensions as you draw your objects. This is done by selecting the Scale Bitmap command.

You may also move your bitmap to the right place in your database by selecting the Move Bitmap command. The modeled objects can be selected at any time by hiding the bitmap using the Show Bitmap switch.

Background Images can only be used in Top View and Cross Section View.