Method for three-dimensionally drawing figure on display plane

A method for three-dimensionally displaying a figure on a display plane, the method comprising the steps of:

• a) designating a size and a drawing position of the figure to be drawn on said display plane with a pointing device having at least one switch and connected to a computer;
• b) designating a height of a predetermined region of the figure to be drawn, measured from an edge portion of said figure to be drawn along a vertical direction with respect to said display plane with said pointing device;
• c) designating a direction of light illuminated to said figure to be drawn with said pointing device;
• d) calculating brightness of each of regions subdivided from said figure to be drawn based on both of said designated height and said light direction, including:
• calculating three-dimensional coordinate values in each of said subdivided regions based on said drawing position, size and height, which are designated at steps a) and b),
• calculating a normal vector of said subdivided region based on said calculated three-dimensional coordinate values,
• calculating an angle between said calculated normal vector and a vector of said light direction, and
• calculating brightness of said region based upon said calculated angle;
• and
• e) displaying each of said subdivided regions at said calculated brightness, whereby said figure is three-dimensionally represented.

A method for three-dimensionally displaying a two-dimensional figure on a display plane, comprising the steps of:

• a) designating a size and a drawing position of the two-dimensional figure to be drawn on said display plane by employing a pointing device equipped with at least one switch and connected to a computer;
• b) designating a height of a predetermined region of the figure to be drawn, measured from an edge portion of said figure to be drawn along a vertical direction with respect to said display plane by employing said pointing device;
• c) designating a direction of light illuminated to said figure to be drawn by employing said pointing device;
• d) calculating three-dimensional coordinate values of each of pixels of said figure to be drawn on said display plane and a vertical direction based upon said designated drawing position, size and height;
• e) calculating brightness of each of said sub-divided regions of said figure to be drawn based upon said calculated coordinate values and said light direction;
• and
• f) displaying each of said subdivided regions at said calculated brightness, whereby said figure is three-dimensionally represented.

A method for three-dimensionally displaying a two-dimensional figure on a display plane the method comprising the steps of:

• a) designating a size and a drawing position of the two-dimensional figure to be drawn on said display plane with a pointing device equipped with at least one switch and connected to a computer;
• b) designating a height of a predetermined region of the figure to be drawn measured from an edge portion of said figure to be drawn along a vertical direction with respect to said display plane with said pointing device;
• c) designating a direction of light illuminated to said figure to be drawn with said pointing device;
• d) calculating three-dimensional coordinate values for each pixel of said figure to be drawn on said display plane and a vertical direction based upon said designated drawing position size and height;
• e) calculation brightness of each of said sub-divided regions of said figure to be drawn based upon said calculated coordinate values and said light direction including:
• 1) calculating a normal vector perpendicular to the respective planes of said subdivided regions based on said calculated three-dimensional coordinate values;
• 2) calculating an angle between said calculated normal vector and a vector of said light direction;
• and
• 3) calculating brightness of said region based upon said calculated angle;
• and
• f) displaying each of said subdivided regions at said calculated brightness whereby said figure is three-dimensionally represented.

A method for three-dimensional displaying a two-dimensional figure on a display plane, the method comprising the steps of:

• a) designating a size and a drawing position of the two-dimensional figure to be drawn on said display plane by employing a pointing device equipped with at least one switch and connected to a computer;
• b) designating a height of a predetermined region of the figure to be drawn, measured from an edge portion of said figure to be drawn along a vertical direction with respect to said display plane by employing said pointing device;
• c) designating a direction of light illuminated to said figure to be drawn by employing said pointing device;
• d) calculating two-dimensional coordinate values of pixels of said figure to be drawn on said display plane based on said designated drawing position and said designated size;
• e) counting the coordinate values of said pixels of said figure to be drawn along the vertical direction with respect to said display plane based upon said designated height;
• f) calculating brightness of each of said sub-divided regions of the figure to be drawn based on said coordinate values and said light direction calculated at said preceding steps d) and e);
• and
• g) displaying each of said subdivided regions at said calculated brightness, whereby said figure is three-dimensionally represented.

A method for three-dimensional displaying a two-dimensional figure on a display plane, the method comprising the steps of:

• a) designating a size and a drawing position of the two-dimensional figure to be drawn on said display plane by employing a pointing device equipped with at least one switch and connected to a computer;
• b) designating a height of a predetermined region of the figure to be drawn, measured from an edge portion of said figure to be drawn along a vertical direction with respect to said display plane by employing said pointing device;
• c) designating a direction of light illuminated to said figure to be drawn by employing said pointing device;
• d) calculating two-dimensional coordinate values of pixels of said figure to be drawn on said display plane based on said designated drawing position and said designated size;
• e) counting the coordinate values of said pixels of said figure to be drawn along the vertical direction with respect to said display plane based upon said designated height:
• f) calculating brightness of each of said sub-divided regions of the figure to be drawn based on said coordinate values and said light direction calculated at said preceding steps d) and e), including:
• calculating a normal vector perpendicular to the respective planes of said subdivided regions based on said calculated two-dimensional coordinate values,
• calculating an angle between said calculated normal vector and a vector of said light direction, and
• calculating brightness of said region based upon said calculated angle;
• and
• g) display each of said subdivided regions at said calculated brightness whereby said figure is three-dimensionally represented.

A method for three-dimensionally displaying plural layers of a two-dimensional wiring pattern on a display plane, the method comprising the steps of:

• a) reading out wiring pattern data about plural layers of the wiring pattern from a memory unit connected to a computer, into which said wiring pattern data have been stored;
• b) deriving from said read wiring pattern data, link data with respect to each of links for constituting each layer of the wiring pattern among said plural layers, said link data being constructed of a starting point of said link, an end point thereof, two-dimensional coordinate values of said display plane, and the layer number;
• and
• c) displaying the respective layers of the wiring pattern based upon said read link data and displaying each link of one layer of said wiring pattern, including the substeps of:
• c-1) designating a height of a predetermined region of said link to be drawn, measured from an edge portion of said link to be drawn along a vertical direction with respect to said display plane by employing a pointing device equipped with at least one switch and connected to a computer;
• c-2) designating a direction of light illuminated to said link to be drawn by employing said pointing device;
• c-3) calculating brightness of each of regions sub-divided from said link to be drawn;
• and
• c-4) displaying each of said subdivided regions at said calculated brightness, whereby said link is three-dimensionally represented.

A method for three-dimensionally displaying plural layers of a wiring pattern on a display plane, the method comprising the steps of:

• a) reading out wiring pattern data about plural layers of the wiring pattern from a memory unit connected to a computer, in which said wiring pattern data have been stored;
• b) deriving from said read wiring pattern data link data with respect to each of links for constituting each layer of the wiring pattern among said plural layers, said link data being constructed of a starting point of said link, an end point thereof two-dimensional coordinate values of said display plane, and the layer number;
• and
• c) displaying the respective layers of the wiring pattern based upon said read link data including displaying each link of one layer of said wiring pattern including;
• c-1) designating a height of a predetermined region of said link to be drawn, measured from an edge portion of said link to be drawn along a vertical direction with respect to said displaying plane using pointing device equipped with at least one switch and connected to the computer;
• c-2) designating a direction of light illuminated to said link to be drawn by employing said pointing device;
• c-3) calculating brightness of each of regions sub-divided from said link to be drawn including the steps of:
• calculating three-dimensional coordinate values in each of said subdivided regions based upon said two dimensional coordinate values read out at said step b) and said height designated at said step c-1),
• calculating a normal vector of said subdivided region based on said calculated three-dimensional coordinate values,
• calculating an angle between said calculated normal vector and a vector of said light direction, and
• calculating brightness of said region based upon said calculated angle;
• and
• c-4) displaying each of said subdivided regions at said calculated brightness, whereby said link is three-dimensionally represented.