JPH06223195A - Graphic structure chart data display controller - Google Patents

Abstract

PURPOSE:To make operator's operation easy when part of a graph structure chart is displayed by the graph structure chart data display controller. CONSTITUTION:Constituent element data on shapes, positions, and display states of respective constituent elements of the graph structure chart are registered in a constituent element data memory 32 and group data showing sets of constituent elements in respective groups are registered in a group element data memory 42. The operator when displaying part of the graph structure chart on a CRT 11 selects a group including the part. A group composition part 5 finds the sum set of constituent elements belonging to the selected group and displays the display state of the constituent element data corresponding to constituent elements included in the sum set among the constituent element data corresponding to the respective constituent elements. A display control part 7 displays only constituent element data whose display states indicate display among data registered in the constituent element data memory 32 on the CRT 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a graph structure diagram data display management device for displaying and editing graphic data of a graph structure composed of nodes and arcs, and particularly to a necessary part of the graph structure diagram. The present invention relates to a graph structure diagram data display management device that can be displayed by a simple operation.

[0002]

2. Description of the Related Art Graphical data having a graph structure composed of nodes and arcs is often used in CAD and the like.

A conventional graph structure diagram data display management device for displaying and editing graphic data of a graph structure has a function of simultaneously displaying all nodes and arcs input by a mouse or the like on the screen, and a mouse or the like. It is equipped with a function to hide the display state of the node and arc designated by the command from the display (for example, NEC U
X Software Ding User's Guide WKW01-2 P4
7-P55 June 1992 second edition, issued by NEC Corporation). By providing such a function, it becomes possible to display only a necessary portion in a complicated drawing.

For example, as shown in FIG. 15, a graph structure composed of a quadrangular node Na, elliptical nodes Nb to Nd, arcs A to C of solid arrows showing a data flow, and arcs D of broken arrows showing a control flow. In the figure, if it is necessary to display only the part related to the control flow, specify the nodes Na, Nc and arcs A to C using the mouse, and hide them. , Only the part related to the control flow can be displayed. Also, when it becomes necessary to display only the part related to the data flow, after displaying all the components, specify the arc D using the mouse etc. and hide it to display the data. Only the part related to the flow can be displayed.

[0005]

As described above, conventionally, when it is necessary to display only a part of a drawing, an operator uses a mouse or the like to remove unnecessary nodes and arcs each time. Since they are specified and hidden, there was a problem to be solved in operability.

An object of the present invention is to provide a graph structure diagram data display management device capable of displaying only a necessary portion of the graph structure diagram by a simple operation.

[0007]

In order to achieve the above object, the present invention manages a component management means for managing the shape and position of each component of a graph structure diagram and a set of components belonging to each group. A group management unit that performs the set operation, and a set operation is performed on a set of the component elements that belong to the selected group among the set of the component elements that the group management unit manages, and the component element indicated by the set operation result is the display target component element. The group synthesizing means and the display managing means for displaying only the constituent elements selected as the display target constituent elements by the group synthesizing means on the display device.

[0008]

The component management means manages the shape and position of each component of the graph structure diagram. The group management means manages a set of constituent elements belonging to each group.

When it is desired to display only a part of the graph structure diagram, the operator selects a group.

When a group is selected by the operator, the group synthesizing means performs an operation on the set of constituent elements belonging to the selected group, and sets the constituent element indicated by the set calculation result as the display target constituent element.

The display management means causes the display device to display only the constituent elements selected as the display target constituent elements by the group combining means.

[0012]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a block diagram of an embodiment of the present invention, in which an input / output unit 1, an operation analysis unit 2, a component element management unit 3, a group management unit 4, a group composition unit 5, and a graph structure. The input / output unit 6, the display management unit 7, the file device 8, the mouse 9, the keyboard 10, and the CRT 11 are included.

The input / output section 1 is an interface section with an operator.

The operation analysis unit 2 analyzes the operation instruction from the operator given through the input / output unit 1 to analyze the respective units 5 to 7,
It has a function of giving operation instructions to 31, 41 and a function of giving data input together with each operation instruction to a corresponding portion.

The component management means 3 is a component management unit 31.
, A component data memory 32, and a selection list 33.

In the constituent element data memory 32, constituent element data for each constituent element constituting the graph structure diagram is registered. When the graph structure diagram is as shown in FIG. 15, a total of 8 nodes Na-Nd and arcs A-D are shown.
The individual component data is registered in the component data memory 32.

FIGS. 2A and 2B are diagrams showing constituent element data for the nodes Na and Nb in the graph structure diagram shown in FIG. The nodes Na to Nd have identifiers 1 to 1.
4 and the identifiers 5 to 8 are given to the arcs A to D, respectively.

The constituent element data of the node Na is shown in FIG.
, The type information indicating that the node is a node, the identifier “1” given by the component management unit 31,
The label “Na” given by the operator, the shape information indicating that it is a quadrangle, and the coordinate value (10, 1
0), (30, 20), the position information indicated by the input arc (an arc having the node as an end point node) “none”, and the output arc A (an arc having the node as a start point node) identifier “ 5 "and CR node Na
And a display state instructing to display at T11.

Further, the component data of the node Nb is given by the operator as shown in FIG. 2B, the type information indicating that it is a node, the identifier "2" given by the component management unit 31 and the operator. Label "N
b ”, shape information indicating an ellipse, and coordinate values (5
0,10), (70,20), the position information indicated by the input arc A, the identifier "5", and the output arcs B and D.
Identifiers “6” and “8” and a display state instructing to display the node Nb on the CRT 11.

FIG. 3 is a diagram showing constituent element data for arc A in the graph structure diagram shown in FIG.
As shown in the drawing, the component data of the arc A is type information indicating that it is an arc, an identifier “5” given by the component management unit 31, a label “A” given by the operator, Shape information indicating that the end point is a solid line with an arrow, and the start point and end point are (30, 1
5), (50, 15), the coordinate sequence indicating the start point node Na, the identifier “1”, the end point node Nb identifier “2”, and the display state instructing to display the arc A on the CRT 11. Includes and.

The constituent element management unit 31 has a function of registering constituent element data in the constituent element data memory 32, a function of setting an identifier of constituent element data selected by an operator in the selection list 33, and a constituent element from the constituent element data memory 32. It has a function to delete data.

The group management means 4 is a group management unit 41.
And a group element data memory 42.

The group element data memory 42 is shown in FIG.
As shown in (1), (N + 1) areas # 0 to #N are provided, and group data of group numbers 0 to N is registered in each area # 0 to #N.

Each area of the group element data memory 42 #
The group data registered in each of 0 to #N includes a group number, a group name given by the operator,
Display status indicating whether or not it is currently displayed (displayed if it is currently displayed, hidden if it is not currently displayed), and the identifier of the component data corresponding to the node or arc that belongs to the group And an element set which is a set of. The group data of the group number 0 includes the identifiers of all the component data registered in the component data memory 32 as an element set,
The group data of group numbers 1 to N is for operator definition.

FIG. 5 is a diagram showing group data registered in the area # 1 of the group element data memory 42.
Corresponding to the information indicating that the group number is “1”, the information indicating that the group name is the control flow, the information indicating that the group is currently displayed, and the nodes and arcs that belong to the group. It includes an element set indicating that the identifier of the component data is “2, 3, 6”.

The group management unit 41 registers and corrects group data.

The group synthesizing unit 5 obtains the union of the element sets in the plurality of group data instructed to be displayed by the operator, displays the display state of the component data that is the element of the union, and displays it. Hide the display status of component data other than.

The graph structure diagram input / output unit 6 inputs / outputs component data between the component data memory 32 and the file unit 8 and inputs group data between the group component data memory 42 and the file unit 8. Output.

The display management unit 7 has display coordinate information for displaying a figure on the CRT 11, and the display state of the component data stored in the component data memory 32 is displayed. Display only on the CRT 11. The display management unit 7 also has an enlargement / reduction function for the entire drawing. In the present embodiment, the display state for controlling whether or not each component of the graph structure diagram is displayed is managed by the component data memory 32, but it may be managed by the display management unit 7. You can also

Next, the operation of this embodiment will be described.

First, the operation at the time of node registration will be described.

When registering a node, the operator first uses the mouse 9
A node registration instruction is input using the or keyboard 10 and then the position of the node and the shape of the node are input, and if necessary, a label attached to the node is input. Then, when all the necessary information is input, the operator gives an instruction to end the input.

These pieces of information are given to the operation analysis section 2 via the input / output section 1. The operation analysis unit 2 instructs the node registration,
When the position of the node, the shape of the node, etc. are given, they are output to the component management unit 31, and when the input end is instructed, the fact is notified to the component management unit 31.

When the component registration unit 31 is given a node registration instruction, as shown in the flowchart of FIG. 6, the type information in the component data is set as a node (step S1).
When the position of the node, the shape of the node, and the label are input,
The positional information, the shape information, and the label in the component data are set as the input data (steps S2 to S5).

After that, when the input end is instructed (YES in step S6), the component management unit 31 displays the input arc and the output arc in the component data as NULL, displays the display state, and sets the identifier. The component element data is created by (step S7). When the component data is created in this way, the component management unit 31 registers the created component data in the component data memory 32 (step S8).

Next, the operation at the time of arc registration will be described.

At the time of arc registration, the operator first inputs an arc registration instruction using the mouse 9 and the keyboard 10.
Then, the start and end points of the arc and the shape of the arc to be registered are input. Further, when the arc is to be a broken line, the coordinate value of the break point is input. If necessary, enter the label to be given to the arc. Then, when all the necessary information is input, the operator gives an instruction to end the input.

These pieces of information are given to the operation analysis section 2 via the input / output section 1. The operation analysis unit 2 gives an arc registration instruction,
When the start and end nodes of the arc, the shape of the arc, etc. are given, they are given to the component management unit 31, and when the input end is instructed, the fact is notified to the component management unit 31.

When the arc registration instruction is input, the component management unit 31 sets the type information in the component data to arc (step S11) and inputs the start point node and end point node, as shown in the flow chart of FIG. Then, the coordinate values of the start point and the end point of the arc are obtained, and the obtained coordinate values are set in the coordinate string in the component data (step S12). Further, the constituent element management unit 31 sets the start point node and the end point node in the constituent element data as the input ones (step S13).

After that, when the shape of the arc is input, the component management unit 31 determines that the shape information in the component data has been input (step S14), and when the coordinate value of the break point is input (step S14). S15 is YES), the input coordinate values are inserted between the coordinate values of the start point and the end point that are already set in the coordinate string of the component data (step S16),
When the label is input (YES in step S17), the label in the component data is set as the input label (step S18).

After that, when the input end is notified (YES in step S19), the component management unit 31 displays the display state in the component data and further sets the identifier to create the component data ( Step S20).
When the arc component data is created as described above, the component management unit 31 registers the created component data in the component data memory 32 (step S2).
1). Further, the constituent element management unit 31 selects the output arc and the input arc of the constituent element data corresponding to the start point node and the end point node of the arc registered this time among the constituent element data registered in the constituent element data memory 32. Set the identifier of the arc registered this time (step S2
2).

Next, a description will be given of an operation for selecting a component, which is performed in advance when registering group data, deleting a component, or moving a component.

When selecting a component, the operator first inputs a component selection instruction from the mouse 9, the keyboard 10 or the like. The operator then makes a component selection.
Selection of the component is performed by either point designation or rectangle designation.

When a component is selected by designating a point, the operator places the mouse cursor on the component to be selected among the nodes and arcs of the graph structure diagram displayed on the CRT 11 and clicks the coordinates of the point. Enter the value. When selecting a plurality of components, the above operation is repeated. If all the necessary components are selected, the operator inputs the selection end.

When selecting a component by designating a rectangle, the operator operates the mouse 9 to operate the CRT 1
Among the nodes and arcs of the graph structure diagram displayed in 1, the constituent element to be selected is enclosed in a rectangle, and the coordinate value indicating the rectangle is input. If the necessary components cannot be selected by one operation, the above operation is repeated. Also,
When all the necessary components have been selected, the operator inputs the selection end.

The above-mentioned information is given to the operation analysis section 2 via the input / output section 1. When the operation analysis unit 2 is given a component selection instruction, a coordinate value of a point, a coordinate value of a rectangle, etc., these are given to the component management unit 31, and when the selection end is input, that effect is given to the component management unit 31. Notify 31.

When the component selection instruction is given, the component management unit 31 starts the process shown in the flowchart of FIG. 8, and when the coordinate value of a point is input, the configuration corresponding to the component existing at that point is started. The identifier of the element data is acquired from the constituent element data memory 32 (steps S31 and S32). Also,
When the coordinate values of the rectangle are input, the identifier of the component data corresponding to the component existing in the rectangle is acquired from the component data memory 32 (steps S31 and S3).
3). Next, it is determined whether or not the display state of the acquired component is the display state (step S34), and only the component whose display state is the display is set in the selection list (step S35).

After that, every time the coordinate value of the point or the coordinate value of the rectangle is input, the component management unit 31 performs the same processing as described above, and the selection end is instructed (YES in step S36). The process ends.

Next, the operation when registering group data will be described.

When registering group data, the operator first selects the constituent elements to be included in the group. This selection is performed by the point designation or the rectangle designation described above, and the identifier of the component data corresponding to the selected component is set in the selection list 33.

When the components to be included in the group are selected,
In order to register the group data, the operator inputs a group data registration instruction from the mouse 9 or the keyboard 10 and the group number of the group data to be registered, and further inputs the group name when giving the group name to the group data. To do.

The group data registration instruction, the group number and the group name input from the mouse 9 and the keyboard 10 are given to the operation analysis section 2 via the input / output section 1. The operation analysis unit 2 gives the group data registration instruction, the group number, and the group name to the group management unit 41.

When the group data registration instruction and the group number are given, the group management unit 41 searches the group element data memory 42 for the group data having the group number designated by the operator and displays the display state in the group data. (Step S41).

After that, the group management unit 41 inquires of the constituent element management unit 31 about the contents of the selection list 33, and acquires the contents of the selection list 33 (step S42). Here, in the selection list 33, the identifiers of the component data corresponding to the components included in the group data registered this time are set.

When the contents of the selection list 33 are acquired, the group management unit 41 adds the contents of the selection list to the element set of the group data found in step S41 (step S43).

Further, if the group name is entered (YES at step S44), the group management section 41 proceeds to step S44.
The group name input in the group data found in 41 is set (step S45).

Next, the operation for deleting the component data registered in the component data memory 32 will be described.

When deleting the component data, the operator first selects the component data to be deleted. This selection is made by the point designation or rectangle designation described above,
The identifier of the component data corresponding to the selected component is set in the selection list 33.

When the component data to be deleted is selected, the operator inputs a component deletion instruction from the mouse 9 or the keyboard 10.

This component deletion instruction is given to the component management unit 31 via the input / output unit 1 and the operation analysis unit 2.

When the component deletion instruction is given, the component management unit 31 first sets the contents of the selection list 33 in the deletion list as shown in the flowchart of FIG. 10 (step S51).

Next, the component management unit 31 adds to the deletion list the identifiers of arcs whose identifiers are not included in the deletion list and which are connected to the nodes whose identifiers are included in the deletion list. (Step S5
2).

After that, the component management section 31 deletes the component data having the identifier set in the deletion list from the component data memory 32 (step S53).

Further, the constituent element management unit 31 passes the contents of the deletion list to the group management unit 41 and gives an instruction to delete the group element (step S54).

When the group management unit 41 is given the contents of the deletion list and is instructed to delete the group element, as shown in the flowchart of FIG. 11, first, k = 0 is set (step S6).
1) Then, it is determined whether or not the identifier set in the deletion list exists in the element set of the group data of the group number k stored in the group element data memory 42 (step S62).

When it is determined that the group does not exist (NO in step S62), the group management unit 41 sets k to +1.
Yes (step S64). If it is determined that the identifier exists (YES in step S62), the identifiers set in the deletion list are deleted from the element set of the group data of the group number k, and then the process of step S64 is performed.

When the processing of step S64 ends, the group management unit 41 determines whether k = N + 1, that is, whether all group data of group numbers 0 to N have been examined (step S65).

If it is determined that all of them have been checked (YES in step S65), the process is ended, and if it is determined that all are not checked (NO in step S65), step S62 is performed.
Repeat the process of.

Next, the operation when canceling the group will be described.

When canceling the group, the operator inputs a group cancel instruction using the mouse 9 or the keyboard 10 and also inputs the group number of the group data to be cancelled.

The input group cancellation instruction and group number are given to the group management unit 41 via the input / output unit 1 and the operation analysis unit 2.

The group management unit 41 gives a group cancellation instruction,
When the group number is given, as shown in the flow chart of FIG. 12, first, the group data having the above group number is searched from the group data stored in the group element data memory 42 (step S71).

Next, the group management unit 41 proceeds to step S
Delete the element set of the group data found in 71
(Step S72) Further, the display state is hidden (step S73).

After that, the group management unit 41 proceeds to step S
It is determined whether or not a group name is defined in the group data found in 71 (step S74), and if defined, the group name is deleted (step S75).

Next, the operation when moving the constituent elements will be described.

When moving the node or arc in the graph structure diagram displayed on the CRT 11, the operator first selects the node or arc to be moved. This selection is performed by the point designation or the rectangle designation described above. The identifier of the component data corresponding to the component to be moved selected by the point designation or the rectangle designation is set in the selection list 33.

When the constituent element to be moved is selected, the operator inputs a constituent element movement instruction using the mouse 9 or the keyboard 10 and also inputs a movement vector indicating a movement amount and a movement direction.

The input component movement instruction and movement vector are given to the component management unit 31 via the input / output unit 1 and the operation analysis unit 2.

When the constituent element movement instruction and the movement vector are given, the constituent element management unit 31 stores the constituent element data in the selection list 33 among the constituent element data registered in the constituent element data memory 32, as shown in the flowchart of FIG. The component selected by the operator is moved by updating the position information of the component data for which the identifier is set according to the movement vector (step S81).

Further, the constituent element management unit 31 is not included in the selection list 33 in the constituent element data memory 32,
If there is an arc whose start point node is a node in the selection list 33, the coordinate value of the start point of the arc is updated according to the movement vector, and the arc is moved (step S82).

Furthermore, the constituent element management unit 31 is not included in the selection list 33 in the constituent element data memory 32,
If there is an arc whose end point node is a node in the selection list, the coordinate value of the end point of the arc is updated according to the movement vector, and the arc is moved (step S
83).

Next, the operation at the time of group composition will be described.

At the time of group composition, the operator inputs a group composition instruction using the mouse 9 or the keyboard 10 and also inputs a group number of a group to be composed.

The group synthesizing instruction and the group number are given to the group synthesizing unit 5 via the input / output unit 1 and the operation analyzing unit 2.

When the group synthesizing instruction and the group number are given, the group synthesizing unit 5 selects the group data having the input group number from the group data in the group element data memory 42 as shown in the flowchart of FIG. The display state is displayed and the display states of other group data are hidden (step S91).

Next, the group synthesizing unit 5 acquires the element set in the group data having the input group number (step S92), and further obtains the union of the acquired element sets (step S93).

After that, the group synthesizing unit 5 hides the display states of all the component data in the component data memory 32 (step S94), and further, the component data registered in the component data memory 32 is deleted. Among them, the display states of the identifiers belonging to the union obtained in step S93 are displayed (step S95). As a result, the components belonging to the group designated by the operator are
It is displayed in 1.

Now, for example, in the group structure diagram of FIG. 15, the identifiers of the nodes Na, Nb and the arc A (1,
2, 5) as the element set, and group number j having the group number i and the nodes Nb, Nd and the identifiers (2, 4, 8) of the arc D as the element set j
It is assumed that the group data and are specified.

The group synthesizing unit 5 displays the display state of the group data of the group numbers i and j among the group data registered in the group element data memory 42,
The display states of other group data are hidden (step S91).

After that, the group synthesizing unit 5 uses the identifier (1,
2,5) and union (2,4,8)
4,5,8,) is obtained (step S93), and among the display states of the component data registered in the component data memory 32, the component data whose identifier is (1, 2, 4, 5, 8) The display state of is displayed (steps S94, S9
5). As a result, the nodes Na, Nb, Nd having the identifiers (1, 2, 4, 5, 8) and the arcs A, D become CRT11.
Is displayed in.

Next, the operation of saving the registered component data and group data in the component data memory 32 and the group data memory 42 will be described.

When saving the constituent element data and the group data, the operator inputs a save instruction and a save file name using the mouse 9 and the keyboard 10.

This storage instruction is input / output unit 1, operation analysis unit 2
Is input to the graph structure diagram input / output unit 6 via.

When the save instruction is input, the graph structure diagram input / output unit 6 stores the component data registered in the component data memory 32 and the group data registered in the group data memory 42 in the file device 8. Save to a file with the filename specified by the operator.

Next, the component data and group data stored in the file device 8 are stored in the component data memory 3
2, register in the group element data memory 42, CRT1
The operation for setting the display of 1 to the state at the time of saving will be described.

When the operator displays the CRT 11 at the time of saving, the operator uses the mouse 9 and the keyboard 10 to input the reading instruction and the file name of the file to be read.

The read instruction and the file name are input / output section 1,
It is input to the graph structure diagram input / output unit 6 via the operation analysis unit 2.

When the reading instruction and the file name are input, the graph structure diagram input / output unit 6 registers the constituent element data and group data stored in the file device 8 in the constituent element data memory 32 and the group element data memory 42. To do.
As a result, the display of the CRT 11 becomes the state at the time of saving.
When the operator wants to confirm which group the union of the CRT 11 is displayed on, the operator inputs a confirmation instruction using the mouse 9 and the keyboard 10. This confirmation instruction is given to the group management unit 41 via the input / output unit 1 and the operation analysis unit 2.

When the confirmation instruction is input, the group management unit 41 refers to the group element data memory 42 and acquires the group number of the group data whose display state is displayed. When the group number is acquired, the group management unit 41 passes the acquired group number to the display management unit 7. As a result, the display management unit 7 displays the passed group number on the CRT 11.

[0101]

As described above, the present invention has group management means for managing a group composed of a plurality of constituent elements, and sets the constituent elements belonging to the selected group. It is equipped with a group synthesizing unit that performs calculations and makes only the constituent elements indicated by the calculation results the constituent elements to be displayed. If you want to display only a part of the graph structure diagram, simply select the group that includes that part. Therefore, there is an effect that only a part of the graph structure diagram can be displayed by a simple operation as compared with the conventional technique in which the constituent elements are hidden one by one.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention.

FIG. 2 is a diagram showing an example of component data of a node.

FIG. 3 is a diagram illustrating an example of component data of an arc.

FIG. 4 is a diagram showing a configuration example of a group element data memory 42.

FIG. 5 is a diagram showing an example of graph data.

FIG. 6 is a flowchart showing an example of processing when a node is registered by the component management unit 31.

FIG. 7 is a flowchart showing an example of processing performed by the component management unit 31 at the time of arc registration.

FIG. 8 is a flowchart showing a processing example when a component is selected by the component management unit 31.

FIG. 9 is a flowchart showing an example of processing when group management unit 41 registers group data.

FIG. 10 is a flowchart showing a processing example when a component is deleted by the component management unit 31.

FIG. 11 is a flowchart showing a processing example when a group element is deleted by the group management unit 41.

FIG. 12 is a flowchart showing an example of processing performed by the group management unit 41 when canceling a group.

FIG. 13 is a flowchart showing an example of processing performed when a component is moved by the component management unit 31.

FIG. 14 is a flowchart showing an example of processing when group composition is performed by the group composition unit 5.

FIG. 15 is a diagram showing an example of a graph structure diagram.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Input / output part 2 ... Operation analysis part 3 ... Component management means 31 ... Component management part 32 ... Component data memory 33 ... Selection list 4 ... Group management means 41 ... Group management part 42 ... Group element data memory 5 ... Group composition unit 6 ... Graph structure diagram input / output unit 7 ... Display management unit 8 ... File device 9 ... Mouse 10 ... Keyboard 11 ... CRT

Claims (2)

[Claims] 1. A component management means for managing the shape and position of each component of the graph structure diagram, a group management means for managing a set of components belonging to each group, and a configuration managed by the group management means. A group combining means that performs a set operation on a set of constituent elements belonging to a selected group among a set of elements, and a display target by the group combining means that makes the constituent element indicated by the set operation result a display target constituent element. A graph structure diagram data display management device, comprising: a display management means for displaying only the constituents which are regarded as constituents on a display device. 2. The graph structure diagram data display management device according to claim 1, wherein the set operation is a union operation.