Graphics processing system, graphics processing method, and graphics processing program

Abstract

When auxiliary lines are automatically displayed based on the cursor position on the display screen, this may reduce user operability. [Solution] The graphic processing system 100 comprises a storage unit 50, a control unit 20, and a display 30. The control unit 20 receives an operation to specify a first position in a specific positional relationship with respect to a graphic element displayed on the display 30, and an operation to specify a second position, and then displays an auxiliary line passing through the first position and the second position on the display 30. The control unit 20 receives an operation to add or change a graphic element based on the auxiliary line. The control unit 20 stores the specified first position in the storage unit 50. The control unit 20 receives an operation to fix the position of the auxiliary line displayed on the display 30.

Claims

1. It comprises a storage unit (50), a control unit (20), and a display (30), The control unit, Display the graphic elements on the aforementioned display, A first position having a specific positional relationship with the aforementioned graphic element is determined by accepting a first operation specified by the user on the display. After receiving the first operation, the second position is determined by receiving the second operation specified by the user on the display. After receiving the second operation, an auxiliary line passing through the first position and the second position is displayed on the display. A third operation is accepted in which the geometric elements are added or modified based on the aforementioned auxiliary lines. The control unit further, The first position specified by the first operation is stored in the storage unit. The system accepts a fourth operation to fix the position of the auxiliary lines displayed on the display. Graphics processing system (100).

2. The control unit further accepts the first operation after receiving the fourth operation. The graphic processing system according to claim 1.

3. The control unit further causes the auxiliary line whose position has been fixed by the fourth operation to be displayed on the display in a manner different from that of the auxiliary line before its position was fixed by the fourth operation. The graphic processing system according to claim 1 or 2.

4. If the number of first positions stored in the storage unit is two or more, the control unit causes the display to show a first line, which is an auxiliary line passing through the first position closest to the second position and the second position, and a second line, which is an auxiliary line passing through the first position second closest to the second position and the second position. The graphic processing system according to claim 1 or 2.

5. The control unit further accepts operations to add or modify the graphic elements based on the intersection point of the first line and the second line displayed on the display. The graphic processing system according to claim 4.

6. The control unit receives the third operation of adding or changing the graphic elements so that they are arranged along a direction that forms a predetermined angle with respect to the auxiliary line. The graphic processing system according to claim 1 or 2.

7. The control unit further accepts an operation in which the user inputs the predetermined angle. The graphic processing system according to claim 6.

8. The control unit further accepts an operation to remove the auxiliary lines from the display. The graphic processing system according to claim 1 or 2.

9. A graphic processing method used in a graphic processing system (100) comprising a memory unit (50), a control unit (20), and a display (30), The control unit, The steps include displaying the graphic elements on the display, The process includes receiving a first operation on the display in which a user specifies a first position that has a specific positional relationship with the aforementioned graphic element, After receiving the first operation, the second position is determined by receiving a second operation specified by the user on the display, After receiving the second operation, the process involves displaying an auxiliary line passing through the first position and the second position on the display, A third step of accepting an operation to add or modify the geometric elements based on the auxiliary lines, Execute, The control unit further, The steps include storing the first position specified by the first operation in the storage unit, A fourth step of receiving an operation to fix the position of the auxiliary line displayed on the display, Execute Methods for processing geometric shapes.

10. A graphics processing program used in a graphics processing system (100) comprising a memory unit (50), a control unit (20), and a display (30), The control unit, A function to display graphic elements on the aforementioned display, A function that accepts a first operation on the display in which a user specifies a first position that has a specific positional relationship with the aforementioned graphic element, After receiving the first operation, the second position is configured to accept a second operation specified by the user on the display, A function to display an auxiliary line passing through the first position and the second position on the display after receiving the second operation, A function that accepts a third operation to add or modify the geometric elements based on the aforementioned auxiliary lines, To make it happen, The control unit further includes, A function to store the first position specified by the first operation in the storage unit, A function to accept a fourth operation to fix the position of the auxiliary line displayed on the display, To make it happen A graphics processing program.

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