Title:
【発明の名称】3次曲線プロット方法
Document Type and Number:
Japanese Patent JP2752975
Kind Code:
B2
Abstract:
A value of a parameter t corresponding to the adjacent next plot point on a bit map memory in an x or y direction is calculated, one of the x or y coordinate values of a current plot point is changed by 1 to calculate a coordinate in the same direction of the next plot point, and the other coordinate of the next plot point is calculated on the basis of an approximated parameter t and cubic curve, thereby plotting the next plot point on the bit map memory.
Inventors:
SATO FUMITAKA
Application Number:
JP24143487A
Publication Date:
May 18, 1998
Filing Date:
September 25, 1987
Export Citation:
Assignee:
TOSHIBA KK
International Classes:
G06T11/20; G09G5/393; (IPC1-7): G06T11/20
Domestic Patent References:
| JP6015773A |
Attorney, Agent or Firm:
Takehiko Suzue (2 outside)