JPH04365086A - Scroll control device - Google Patents

Abstract

PURPOSE:To scroll a display screen under specific conditions given by an operator. CONSTITUTION:A vectoring procession section 71 converting the display image data at the portion specified by an operator from the image data displayed on a screen into vector data, a vector data preservation section 72 preserving the converted vector data together with the attribute, and a scroll controller 74 scrolling the display screen along the vector data corresponding to the specified attribute when the attribute is specified are provided.

Description

[Detailed description of the invention]

[Object of the invention]

0002

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scroll control device suitable for searching road information, verifying circuit drawings, etc.

0003

2. Description of the Related Art In order to scroll a display screen in an information processing device equipped with a display device, it is common to scroll in up, down, left, right, or diagonal directions by operating a cursor movement key on a keyboard, for example. be.

0004

[Problem to be Solved by the Invention] However, as mentioned above, the conventional scrolling method that has been generally used is
The display screen can only be moved within a range instructed by a cursor movement key or the like, and cannot be moved freely within the range desired by the operator. For this reason, for example,
Conventional devices cannot perform processes such as displaying a certain map on a screen and moving the screen along a desired road, or moving the screen along a desired line on a displayed circuit diagram. Development of this type of device is desired.

The present invention has been made in view of the above-mentioned circumstances, and its object is to provide a scroll control device that allows an operator to scroll a display screen in accordance with specific conditions by giving them specific conditions. It is about providing.

[Configuration of the invention]

[0007]

[Means for Solving the Problems] In order to achieve the above object, a scroll control device according to the present invention converts display image data of a portion designated by an operator from image data displayed on a screen into vector data. means for converting the vector data into a vector, a means for storing the converted vector data together with its attributes, and a means for scrolling the display screen along the vector data corresponding to the specified attribute by specifying the attribute. It is something.

[0008]

According to the present invention, image data to be scrolled is converted into vector data in advance, and attributes are attached to the converted vector data and saved. When the operator scrolls the display screen and specifies the attribute, vector data of the specified attribute is read out and scrolled along the vector data.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing the configuration of an information processing device including an embodiment of a scroll control device according to the present invention.

[0010] This information processing device includes an image input device 1
, an image input/editing section 2 , and an image data storage section 3 , and image data inputted from the image data input device 1 is edited and processed by the image input/editing section 2 . The image data is then registered in the image data storage section 3. This information processing device also includes an image data reading section 4, a display control section 5, and a CRT display 6, and reads image data registered in the image data storage section 3 from the image data reading section 4. The data is read out and displayed on the CRT display 6 via the display control section 5.

In particular, the information processing apparatus of this embodiment is equipped with a scroll control device 7.
comprises a vectorization processing unit 71 that converts image data into vector data, a vector data storage unit 72 that stores vectorized data, a vector data editing processing unit 73, and a scroll control unit 74. has been done.

Next, the operation of this embodiment will be explained.

Now, let us consider a process in which a certain map is captured and saved as image data, this map data is displayed, and this display data is scrolled according to specific conditions.

In this case, after inputting a map from the image input device 1 and adding search data such as a map name by the image input/editing section 2, the image data is stored in the image data storage section 3. Saved. To display the saved image data on the screen, specify desired data via the image data reading section 4. The specified image data is read out from the image data storage section 3 and then the display control section 5 reads out the specified image data.
The image is displayed on the CRT display 6 via. The displayed map data is shown in FIG. 2(A).

In order to scroll the displayed map data under desired conditions, it is necessary to convert the portion to be scrolled into vector data in the vectorization processing section 71 as preprocessing. As shown in FIG. 2(A), if you want to scroll the screen from the current point Ps to the destination point Pe along the "**road" R indicated by diagonal lines in the figure, the current point Ps is the starting point, and the branch point P1 Specify as the end point and vectorize this part. The vectorized data is temporarily referred to as vector data V1. Next, specify branch point P1 as the starting point and branch point P2 as the ending point,
This part is vectorized and set as vector data V2. Further, the branching point P2 is designated as the starting point and the destination point Pe is designated as the ending point, and this portion is vectorized and set as vector data V3. After adding "**road" as an attribute name to the series of related vector data groups designated in this way, that is, vector data V1, vector data V2, and vector data V3, the vector data storage unit 7
Save to 2. In this way, the image data of the part to be scrolled is converted into a vector data group, and this data group is given attributes and saved in advance.

In this manner, the vectorization processing as pre-processing is completed, and the series of vector data groups are stored in the vector data storage unit 72 along with their attributes, and the image data is transferred from the image data storage unit 3. The data is read out via the reading unit 4 and displayed on the CRT display 6.

A road map as shown in FIG. 2(A) is displayed,
Consider the case where you want to scroll from the current point Ps to the target point Pe along the "**road" R indicated by diagonal lines in the figure. The operator specifies the attribute “**road” and
After specifying the cursor with the current point Ps as the starting point and the target point Pe as the ending point, a scroll command is given to the scroll control section 74. Then, the vector data editing section 73 reads out a vector data group corresponding to the specified attribute name from the vector data storage section 72 and supplies it to the scroll control section 74. The scroll control section 74 scrolls and displays the supplied vector data on the CRT display 6 via the display control section 5.

As described above, according to this embodiment, when the operator specifies a desired attribute and specifies the starting point position and ending point position with the cursor, the display screen is displayed from the starting point position to the ending point position of the portion indicated by the attribute. Since the screen can be scrolled, it is possible to grasp the surrounding situation along the road, making it effective as a map search or car navigation system.

Note that various attributes can be considered, such as a train name, bus route name, or circuit diagram. For example, in Figure 3 (
If the bus route indicated by the diagonal line in A) is registered as an attribute and that part is vector-converted and saved, if you specify that attribute and give a scroll command, it will branch from the current position Ps shown in (B) of the same figure. It is scrolled to point P3, and at branch point P3, it is scrolled to the right in the figure along the attribute. In this way, each branch point P4, P5
, P6, the destination point Pe is scrolled in order along the bus route that is the attribute ((C) in the same figure).
~(G)). On the other hand, for example, at branch point P3, another bus route heading upward in the diagram is registered as an attribute, and when the operator specifies that attribute, the bus is scrolled upward at branch point P3.

In addition to the embodiments described above, it is also possible to specify the shortest distance between two points, for example, and scroll along that route.

[0021]

As described above, according to the present invention, it is possible to scroll along a desired portion, which is effective for information retrieval, simulation, etc.

[Brief explanation of drawings]

FIG. 1 is a functional block diagram showing the configuration of an embodiment of a scroll control device according to the present invention.

FIG. 2 is an explanatory diagram showing an example of scrolling.

FIG. 3 is an explanatory diagram showing an example of scrolling.

[Explanation of symbols]

7 Scroll control device 71 Vectorization processing unit 72 Vector data storage section 73 Vector Data Editorial Department 74 Scroll control section

Claims (1)

[Claims] 1. Means for converting display image data of a portion designated by an operator from image data displayed on a screen into vector data; means for saving the converted vector data together with its attributes; A scroll control device comprising means for scrolling a display screen along vector data corresponding to the specified attribute by specifying the attribute.