System and method for graphic layout modification

Claim 2

A graphic layout modification system for modifying a layout pattern of at least one layer with a plurality of components placed in a two-dimensional space by moving and replacing the components in each layout pattern, said system comprising: layout data converting means supplied with layout data representative of the placement of said components for decomposing each component into segments per layer plane to prepare segment data in which those segments belonging to a single common device are assigned with a common moving group number; movement designating means for designating the movement of at least one of said components as a movement-designated component by entering a diagonal movement target direction and an initial moving distance; means for calculating, in order to move said components in said movement target direction, a moving group relative movement limit length within which a first component is movable towards a second component which is adjacent to said first component in the diagonal movement target direction with a wire interposed therebetween, for subtracting said moving group relative movement limit length from a first moving distance of said first component to obtain a difference, and for memorizing the difference as a second moving distance of said second component; means for moving said second component by said second moving distance to place said second component; wire compacting means for calculating routing limit position data representative of a routing limit position determined by pulling said wire between said first and said second components around said second component in said diagonal movement target direction; and rerouting means for trimming and replacing said wire within a routing limit range determined by said routing limit position; said components being moved as a chain reaction in said diagonal movement target direction, by substituting said movement-designated component and said initial moving distance for said first component and said first moving distance, respectively, at a first time, and replacing said second component and said second moving distance for a new first component and a new first distance, respectively at and after second times, to obtain a resultant layout which is displayed on a display unit.

Claim 3

A graphic layout modification system as claimed in claim 1 , further comprising means for detecting a chain reaction route of movement of components from said movement-designated component to a position-fixed component, and means for displaying said chain reaction route in a highlightened mode.

Claim 4

A graphic layout modification system as claimed in claim 1 , further comprising constraint graph canceling means for preparing terminal graphs each of which records a pair of components connected in a longitudinal or a lateral direction and a wire therebetween, reading particular terminal graphs connecting said second component in a perpendicular direction perpendicular to the moving direction of other components, calculating a relative movement limit length of said second component in said perpendicular direction, and moving said second component by said relative movement limit length in said perpendicular direction.

Claim 5

A graphic layout modification system as claimed in claim 1 , wherein said display unit displays only terminals and via holes of terminal constraint graphs without displaying wires during repetition of the component movement, said wire compacting means and said rerouting means thereafter determining wire positions; said display unit displaying a resultant layout after the movement, including wire configurations.

Claim 6

A graphic layout modification system as claimed in claim 1 , further comprising means for detecting a chain reaction route from said movement-designated component to a position-fixed component, and means for changing the moving distances of components on said chain reaction route into a limit distance which does not require the movement of said position-fixed component.

Claim 7

A graphic layout modification system as claimed in claim 5 , further comprising component movement designating means for collectively designating movement target vectors including moving directions and moving distances for a plurality of components, and means for successively moving said plurality of components designated to move.

Claim 8

A graphic layout modification system as claimed in claim 6 , said component movement designating means designating in longitudinal and lateral directions movement target vectors for a segment of a new component newly inserted into the layout, and further comprising means for inserting said designated segment and successively moving interfering components.

Claim 9

A graphic layout modification method of modifying a layout pattern of at least one layer with a plurality of components placed in a two-dimensional space by moving and replacing said components in each layout pattern, said method comprising the steps of: receiving layout data representative of the placement of said components, decomposing each component into segments per layer plane, and preparing segment data in which those segments belonging to a single common component are assigned. with a common moving group number; designating the movement of at least one of said components as a movement-designated component by entering a diagonal movement target direction and an initial moving distance; calculating, in order to move said components in said movement target direction, a moving group relative movement limit length within which a first component is movable towards a second component which is adjacent to said first component in the diagonal movement target direction with a wire interposed therebetween, subtracting said moving group relative movement limit length from a first moving distance of said first component to obtain a difference, and memorizing the difference as a second moving distance of said second component; moving said component by said second moving distance to place said second component; calculating routing limit position data representative of a routing limit position determined by pulling said wire between said first and said second components around said second component in said diagonal movement target direction; and trimming and replacing said wire within a routing limit range determined by said routing limit position; said components being moved as a chain reaction in said diagonal movement target direction, by substituting said movement-designated component and said initial moving distance for said first component and said first moving distance, respectively, at a first time, and replacing said second component and said second moving distance for a new first component and a new first distance, respectively at and after second times, to obtain a resultant layout which is displayed on a display section.

Claim 10

A graphic layout modification method of modifying a layout pattern of at least one layer with a plurality of components placed in a two-dimensional space by moving and replacing said components in each layout pattern, said method comprising the steps of: receiving layout data representative of the placement of said components, decomposing each component into segments per layer plane, and preparing segment data in which those segments belonging to a single common component are assigned. with a common moving group number; designating the movement of at least one of said components as a movement-designated component by entering a diagonal movement target direction and an initial moving distance; calculating, in order to move said components in said movement target direction, a moving group relative movement limit length within which a first component is movable towards a second component which is adjacent to said first component in the diagonal movement target direction with a wire interposed therebetween, subtracting said moving group relative movement limit length from a first moving distance of said first component to obtain a difference, and memorizing the difference as a second moving distance of said second component; moving said component by said second moving distance to place said second component; calculating routing limit position data representative of a routing limit position determined by pulling said wire between said first and said second components around said second component in said diagonal movement target direction; and trimming and replacing said wire within a routing limit range determined by said routing limit position; said components being moved as a chain reaction in said diagonal movement target direction, by substituting said movement-designated component and said initial moving distance for said first component and said first moving distance, respectively, at a first time, and replacing said second component and said second moving distance for a new first component and a new first distance, respectively at and after second times, to obtain a resultant layout which is displayed on a display section.

Claim 11

A graphic layout modification method as claimed in claim 8 , further comprising the steps of detecting a chain reaction route of movement of components from said movement-designated component to a position-fixed component, and displaying said component linkage in a highlightened mode.

Claim 12

A graphic layout modification method as claimed in claim 8 , further comprising the steps of preparing terminal graphs each of which records a pair of components connected in a longitudinal or a lateral direction and a wire therebetween, reading particular terminal graphs connecting said second component in a perpendicular direction perpendicular to the moving direction of other components, calculating a relative movement limit length of said second component in said perpendicular direction, and moving said second component by said relative movement limit length in said perpendicular direction.

Claim 13

A graphic layout modification method as claimed in claim 8 , comprising the steps of making said display section display only terminals and via holes of terminal constraint graphs without displaying wires during repetition of the component movement, thereafter making said wire compacting means and said rerouting means determine wire positions, and making said display section display a resultant layout after the movement, including wire configurations.

Claim 14

A graphic layout modification method as claimed in claim 8 , further comprising the steps of detecting a chain reaction route from said movement-designated component to a position-fixed component, and changing the moving distances of the components on said chain reaction route into a limit distance which does not require the movement of said position-fixed component.

Claim 15

A graphic layout modification method as claimed in claim 12 , further comprising the steps of collectively designating movement target vectors including moving directions and moving distances for a plurality of components, and successively moving said plurality of components.

Claim 16

A graphic layout modification method as claimed in claim 13 , comprising the steps of designating in longitudinal and lateral directions movement target vectors for a segment of a new component newly inserted into the layout, inserting said designated segment, and successively moving interfering components.

Claim 17

An information recording medium for use in a graphic layout modification system for modifying a layout pattern of at least one layer with a plurality of components placed in a two-dimensional space by moving and replacing said components in each layout pattern, said medium recording: layout data converting means supplied with layout data representative of the placement of said components for decomposing each component into segments per layer plane to prepare segment data in which those segments belonging to a single common component are assigned with a common moving group number; movement designating means for designating the movement of at least one of said components as a movement-designated component by entering a diagonal movement target direction and an initial moving distance; means for calculating, in order to move said components in said movement target direction, a moving group relative movement limit length within which a first component is movable towards a second component which is adjacent to said first component in the diagonal movement target direction with a wire interposed therebetween, for subtracting said moving group relative movement limit length from a first moving distance of said first component to obtain a difference, and for memorizing the difference as a second moving distance of said second component; means for moving said components by said second moving distance to place said second component; wire compacting means for calculating routing limit position data representative of a routing limit position determined by pulling said wire between said first and said second components around said second component in said diagonal movement target direction; and rerouting means for trimming and replacing said wire within said routing limit range determined by said routing limit position; said components being moved as a chain reaction in said diagonal movement target direction, by substituting said movement-designated component and said initial moving distance for said first component and said first moving distance, respectively, at a first time, and replacing said second component and said second moving distance for a new first component and a new first distance, respectively at and after second times, to obtain a resultant layout which is displayed on a display section.

Claim 18

An information recording medium for use in a graphic layout modification system for modifying a layout pattern of at least one layer with a plurality of components placed in a two-dimensional space by moving and replacing said components in each layout pattern, said medium recording: layout data converting means supplied with layout data representative of the placement of said components for decomposing each component into segments per layer plane to prepare segment data in which those segments belonging to a single common component are assigned with a common moving group number; movement designating means for designating the movement of at least one of said components as a movement-designated component by entering a diagonal movement target direction and an initial moving distance; means for calculating, in order to move said components in said movement target direction, a moving group relative movement limit length within which a first component is movable towards a second component which is adjacent to said first component in the diagonal movement target direction with a wire interposed therebetween, for subtracting said moving group relative movement limit length from a first moving distance of said first component to obtain a difference, and for memorizing the difference as a second moving distance of said second component; means for moving said components by said second moving distance to place said second component; wire compacting means for calculating routing limit position data representative of a routing limit position determined by pulling said wire between said first and said second components around said second component in said diagonal movement target direction; and rerouting means for trimming and replacing said wire within said routing limit range determined by said routing limit position; said components being moved as a chain reaction in said diagonal movement target direction, by substituting said movement-designated component and said initial moving distance for said first component and said first moving distance, respectively, at a first time, and replacing said second component and said second moving distance for a new first component and a new first distance, respectively at and after second times, to obtain a resultant layout which is displayed on a display section.

Claim 19

An information recording medium as claimed in claim 15 , further recording means for detecting a chain reaction route of movement of components from said movement-designated component to a position-fixed component, and means for displaying said chain reaction route in a highlightened mode.

Claim 20

An information recording medium as claimed in claim 15 , further recording constraint graph canceling means for preparing terminal graphs each of which records a pair of components connected in a longitudinal or a lateral direction and a wire therebetween, reading particular terminal graphs connecting said second component in a perpendicular direction perpendicular to the moving direction of other components, calculating a relative movement limit length of said second component in said perpendicular direction, and moving said second component by said relative movement limit length in said perpendicular direction.

Claim 21

An information recording medium as claimed in 15 , further recording means of making said display section display only terminals and via holes of terminal constraint graphs without displaying wires during repetition of the component movement, thereafter making said wire compacting means and said rerouting means determine wire positions, and making said display section display a resultant layout after the movement, including wire configurations.

Claim 22

An information recording medium as claimed in claim 15 , further recording means for detecting a chain reaction route from said movement-designated component to a position-fixed component, and means for changing the moving distance of components on said chain reaction route into a limit distance which does not require the movement of said position-fixed component.

Claim 23

An information recording medium as claimed in claim 19 , further recording component movement designating means for collectively designating movement target vectors including moving directions and moving distances for a plurality of components, and means for successively moving said plurality of components designated to move.

Claim 24

An information recording medium as claimed in claim 20 , said component movement designating means designating in longitudinal and lateral directions movement target vectors for a segment of a new component newly inserted into the layout, and further recording means for inserting said designated segment and successively moving interfering components.

Claim 25

A graphic layout modification system for modifying a layout pattern with a plurality of components, said system comprising: movement designating means for designating the movement of one of said components as a first component by entering a diagonal movement target direction and an initial moving distance; means for calculating a moving group relative movement limit length within which said first component is movable towards a second component adjacent to said first component in the diagonal movement target direction with a wire interposed therebetween, for subtracting said moving group relative movement limit length from the initial moving distance of said first component to obtain a difference, and for memorizing the difference as a second moving distance of said second component; means for moving said second component by said second moving distance; wire compacting means for calculating a routing limit position determined by pulling said wire between said first and said second components around said second component in said diagonal movement target direction; and rerouting means for trimming and rerouting said wire within a routing limit range determined by said routing limit position.

Claim 26

A graphic layout modification system for modifying a layout pattern with a plurality of components, said system comprising: movement designating means for designating the movement of one of said components as a first component by entering a diagonal movement target direction and an initial moving distance; means for calculating a moving group relative movement limit length within which said first component is movable towards a second component adjacent to said first component in the diagonal movement target direction with a wire interposed therebetween, for subtracting said moving group relative movement limit length from the initial moving distance of said first component to obtain a difference, and for memorizing the difference as a second moving distance of said second component; means for moving said second component by said second moving distance; wire compacting means for calculating a routing limit position determined by pulling said wire between said first and said second components around said second component in said diagonal movement target direction; and rerouting means for trimming and rerouting said wire within a routing limit range determined by said routing limit position.