Digital map display zooming method, digital map display...

Details Digital map display zooming method, digital map display... Digital map display zooming method, digital map display...

2006-07-11

2006-07-11

Hjerpe, Richard (Department: 2674)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

Reexamination Certificate

active

07075558

ABSTRACT:
A digital map display zooming method for continuously enlarging and reducing a displayed portion of a digital map as map information in digital form within a display screen is provided which comprises the steps of displaying the displayed portion of the digital map at the display screen, displaying a scroll part within the display screen for shifting the displayed portion, making the scroll part function as a scale setting part for carrying out enlarging and reducing operations of the displayed portion of the digital map within the display screen, and carrying out enlarging and reducing operations of the displayed portion of the digital map within the display screen by shifting a shifting operation part of the scale setting part.

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