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Function Description: The VIEWCTR system variable is used to store the center of view in current viewport.(Read-Only) Type : 3D point Saved in : Drawing Initial value : Unknown It is expressed by UCS coordinates. Read More

Function Description: The UCSYDIR system variable is used to store the Y direction of current UCS in current viewport of current space.(Read-Only) Type : 3D point Saved in : Drawing Initial value : 0.0000,1.0000,0.0000 The Y direction of UCS could be... Read More

Function Description: The UCSXDIR system variable is used to store the X direction of current UCS in current viewport of current space.(Read-Only) Type : 3D point Saved in : Drawing Initial value : 0.0000,1.0000,0.0000 The X direction of UCS could be... Read More

Function Description: The UCSVP system variable is used to determine whether the UCS in other viewport is dependent or independent of UCS in current viewport. Type : Integer Saved in : Drawing Initial value : 1 Range : 0,1 System Variable Value: 0 :... Read More

Function Description: The UCSORG system variable is used to store the current users coordinate original point in current viewport of current space.(Read-Only) Type : 3D point Saved in : Drawing Initial value : 0.0000,0.0000,0.0000   Read More

Function Description: The UCSNAME system variable is used to store the current users coordinate name in current viewport of current space.(Read-Only) Type : Strings Saved in : Drawing If the current UCS has not been named, it returns a null character... Read More

Function Description: The TARGET system variable is used to store the target UCS coordinates for perspective projection in current viewport.(Read-Only) Type : 3D point Saved in : Drawing Initial value : 0.0000,0.0000,0.0000   Read More

Function Description: The SNAPUNIT system variable is used to set the snap space for current viewport. Type : 2D pointSaved in : Drawing Initial value : " 0.5000,0.5000 (Imperial) or 10.0000,10.0000 (Metirc) If specified SNAPSTYL to be 1, the X value... Read More

Function Description: The SNAPTYPE system variable is used to set snap type to rectangular or polar for current viewport settings. Type : Integer Saved in : Registry Initial value : 0 Range : 0,1 System Variable Value: 0 : grid or standard... Read More

Function Description: The SNAPSTYL system variable is used to set grid and grid snap to rectangular or isometric for current viewport. Type : Integer Saved in : Drawing Initial value : 0 Range : 0,1 System Variable Value: 0 : rectangular1 :... Read More