Title:
HIGH SPEED GRAPHIC DRAWING SYSTEM
Document Type and Number:
Japanese Patent JPS61182093
Kind Code:
A
Abstract:
The tangent alpha of the tangential line of an image to be drawn at each point in an orthogonal X-Y coordinate system is classified into two angle regions, a first angle region, where a condition -1
Inventors:
NAKAYAMA YOSHIYUKI
HAYASHI AKIO
SEKI JUNICHI
MORI KENJIRO
HAYASHI AKIO
SEKI JUNICHI
MORI KENJIRO
Application Number:
JP2163385A
Publication Date:
August 14, 1986
Filing Date:
February 08, 1985
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G06F3/153; G09G5/20; (IPC1-7): G06F3/14; G09G1/16
Attorney, Agent or Firm:
Katsuo Ogawa