15.64.51 SHIELD

Sets an area to be shielded. Nothing may be drawn inside this area while shielded. SET SHIELD [=n] [OFF] [DAtA|TExT] [FROM]|TO [[X=]nx,[Y=]ny,[Z=]nz]] [CURSOR] 1. n - The shield number between 1 and 4. If unspecified the next available shield is used. 2. OFF - Turns the n'th shield off. If n is not specied all shielded areas are turned off. 3. FROM|TO - Allows you to specify the limit of the shielded area. If no limits are specified the current window is shielded. 4. DATA - Specifies the limit in data coordinates. 5. TEXT - Specifies the limit in text coordinates. 6. CURSOR - You use the cursor to specify the limits. example TD:SET SHIELD FROM 1,2 to 3,5 Sets a shielded area in text coordinates. TD:SET SHIELD DATA FROM Y=5 Shield all data from Y=5 for all X values.