JP2001013948A - Reduction/magnification display device and reduction/ magnification display method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a reduction/magnification display device and a reduction/ magnification display method by which the size and position after reduction or magnification can be confirmed visually. SOLUTION: This device is obtained by improving a reduction and magnification display device for performing at least either one of reduction display or magnification display of display data. The device has an indicating means 30 for indicating two points of a display area, a range display means 11 for displaying a reduction destination range or a magnification origin range on a display area based on the two points of the indicating means 30, and a reduction/magnification display means 12 for reducing and displaying the display data on a display area with the scale factor of (reduction destination range)/(display area), or magnifying and displaying the display data on a display area with the scale factor of (display area)/(magnification origin range).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reduced and enlarged display device and a reduced and enlarged display method for performing at least one of reduced display and enlarged display of display data, and to visually confirm the size or position after reduction or enlargement. The present invention relates to a reduction and enlargement display device and a reduction and enlargement display method.

[0002]

2. Description of the Related Art A conventional reduction / enlargement display device performs reduction / enlargement by a fixed amount by selecting a reduction / enlargement button or executing a reduction / enlargement command. Alternatively, the amount of reduction or enlargement is reduced or enlarged by a numerical value, for example, a percentage or a ratio, a meter, a graph, or the like.

[0003]

In such a device,
Since the reduction and enlargement are performed by specifying buttons and numerical values,
The size and position displayed after reduction and enlargement could not be visually confirmed. Therefore, reduction and enlargement to a desired size are difficult, and reduction and enlargement are repeated, resulting in a problem that operation becomes complicated. In addition, since the display position after reduction or enlargement cannot be specified, a movement operation is required after reduction or enlargement.

An object of the present invention is to realize a reduced-magnification display device and a reduced-magnification display method capable of visually confirming the size and position after reduction or enlargement.

[0005]

According to a first aspect of the present invention, there is provided a reduced-magnification display device for performing at least one of a reduced display and an enlarged display of display data, and instruction means for designating two points of a display area, and the instruction means. A range display means for displaying the reduction destination range or the expansion source range in the display area based on the two points: and the display data in the display area, wherein (the reduction destination range) / (the display area) And a reduction / enlargement display means for reducing the display at a magnification or enlarging and displaying at a magnification ratio of (the display area) / (the enlargement source range).

According to a second aspect of the present invention, in a reduced and enlarged display device for performing at least one of reduced display and enlarged display of display data, instruction means for instructing a vector by designating two points in a display area, and this instruction means Range display means for displaying the reduction source range and the reduction destination range, or displaying the expansion source range and the expansion destination range in the display area, and displaying the display data in the display area. ,
A reduction / enlargement display means for reducing display at a magnification of (the reduction destination range) / (the reduction source range) or enlarging and displaying at a magnification of (the enlargement destination range) / (the expansion source range). It is assumed that.

According to a third aspect of the present invention, there is provided a reduction and enlargement display device for performing at least one of a reduction display and an enlargement display of display data, and instruction means for instructing a vector by designating two points in a display area; , The reduction source range, the reduction destination range, or the expansion source range and the expansion destination range are specified in real time, and the display data is stored in the display area by (the reduction destination range) / (the reduction destination range). (Enlargement range) / (enlargement destination range) / (enlargement source range).

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing one embodiment of the present invention. In the figure, a display processing unit 10 inputs display data and performs display data display processing on a display unit such as a CRT. The display area 20 is an area where display data is displayed on the display unit, and may be displayed on the entire screen of the display unit or on a part of the screen. The instruction unit 30 is connected to the display processing unit 10 with, for example, a mouse or the like.
Indicate a point.

Then, the display processing unit 10 includes the range display unit 1.
1. A reduction / enlargement display unit 12 is provided. Range display means 11
Displays the reduction destination range 21 or the enlargement source range on the display area 20 based on the two points of the instruction means 30. The reduction / enlargement display unit 12 displays the display data at the normal magnification in the display area 20 and displays the display data in the (reduction destination range 2).
1) Reduced display at a magnification of / (display area 20), or
The display is enlarged at a magnification ratio of (display area 20) / (enlargement source range).

The operation of such a device will be described below.
FIG. 2 is a flowchart showing the operation of the apparatus shown in FIG. The pointing means 30, for example, drags the mouse to indicate two points from the starting point to the ending point as shown by the arrow A (S11). By this instruction, the range display means 11
Displays the reduction destination range 21 or the enlargement source range in the display area 20 with a box-shaped cursor (S12). Then, the above operation is repeated until the instruction means 30, for example, by stopping the drag of the mouse, is instructed to determine the range (S13).

The reduction / enlargement display means 12 includes the range display means 1
The display data is reduced and displayed at a reduction ratio of (reduction destination range 21) / (display area 20) using the reduction destination range 21 (S).
14). That is, the display data displayed in the display area 20 before the reduction is displayed in the reduction destination range 21 by the reduction. Then, in an area where the inside of the reduction destination range 21 of the display area 20 is omitted, display data outside the display area 20 before reduction is displayed at a reduction magnification. Here, the reduced and enlarged display means 12
May determine the reduction destination range 21 from two points specified by the specifying means 30.

Alternatively, the reduction / enlargement display means 12 determines the (display area 20) /
The display data is enlarged and displayed at the magnification of (enlargement source range) (S14). That is, if the reduction destination range 21 is the enlargement source range, the display data within the reduction destination range 21 is enlarged to the size of the display area 20 and displayed. Here, similarly to the above, the reduction / enlargement display unit 12 may obtain the enlargement source range from two points specified by the instruction unit 30.

When the reduction of only the horizontal magnification is set, the instruction means 30 gives an instruction as shown by the arrow B in FIG. However, the vertical direction is ignored, and the range display means 11 displays the reduction destination range 22 with a box-shaped cursor. Then, the reduced and enlarged display means 12
Is the magnification of (reduction destination area 22) / (display area 20),
The display data is reduced and displayed in the display area 20. The same can be done for enlargement.

Similarly, when the reduction of only the vertical magnification is set, the instruction means 30 gives an instruction as shown by an arrow C in FIG. However, the horizontal direction is ignored,
The range display means 11 displays the reduction destination range 23 with a box-shaped cursor. And a reduction / enlargement display means 1
2 is a scaling factor of (reduction destination range 23) / (display area 20), and the display data is reduced and displayed in the display area 20. The same can be done for enlargement.

As described above, since the range display means 11 displays the reduction destination ranges 21 to 23 or the enlargement source range, it is possible to confirm the reduction destination ranges 21 to 23 or the enlargement source range. In other words, the size after reduction can be visually confirmed before reduction, so that it is possible to easily approach the desired size. Similarly, since the original size of the enlargement can be visually confirmed before the enlargement, the original size can be easily approximated.

Further, since the instructing means 30 designates two points, a start point and an end point, and designates the reduction destination range 21 to 23 or the enlargement source range, the display position can be designated. That is, there is no need to move and specify the display position after reduction or enlargement, and the burden on the operator can be reduced.

Next, a second embodiment of the present invention will be described with reference to FIG. Here, the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof is omitted.

In FIG. 1, the display processing unit 10 includes a range display unit 13 and a reduced / enlarged display unit 14. The range display means 13 displays the reduction source range 24 and the reduction destination range 25 or the display of the expansion source range and the expansion destination range on the basis of the vector instruction by the two points of the instruction means 30 in the display area 2.
Perform 0. The reduction / enlargement display means 14 includes a display area 20.
In addition to displaying the display data normally,
The display is reduced at a magnification of (reduction destination range 25) / (reduction source range 24), or is enlarged and displayed at a magnification of (enlargement destination range) / (enlargement source range).

The operation of such an apparatus will be described below.
FIG. 6 is a flowchart showing the operation of the apparatus shown in FIG. Instructing means 30, for example, by dragging a mouse, designates a vector from the start point to the end point as shown by arrow d (S21). In response to this instruction, the range display means 13 selects a reduction source, a reduction destination area, or an enlargement source, an enlargement destination area according to the vector (S22). That is, as shown in FIG. 7, the starting point,
A reduction source area and a reduction destination area surrounded by the end point and a part of the frame of the display area 20 are selected. Then, in the case of enlargement, the relationship in the case of reduction shown in FIG. 7 is set such that the direction of the vector is reversed, the reduction destination range is the expansion source range, and the reduction source range is the expansion destination range.

The range display means 13 displays the reduction source range 24, the reduction destination range 25, or the expansion source range and the expansion destination range in the display area 20 (S23). Here, the range display means 13 may display an arrow d. Then, the above operation is repeated until the instruction means 30, for example, by stopping the drag of the mouse, is instructed to determine the vector (S24).

The reduction / enlargement display means 14 includes the range display means 1
The display data is reduced and displayed in the display area 20 at a magnification of (reduction destination range 25) / (reduction source range 24) by using the reduction source range 24 and the reduction destination range 25 (S25). That is,
The display data displayed in the reduction source range 24 before the reduction is displayed in the reduction destination range 25 by the reduction. Then, in an area where the inside of the reduction destination range 25 of the display area 20 is omitted, display data outside the reduction source range 24 before reduction is displayed at the reduction magnification. Here, the reduction / enlargement display unit 14 may obtain the reduction source range 24 and the reduction destination range 25 from the vector specified by the specifying unit 30.

Alternatively, the reduction / enlargement display means 14 enlarges the display data to the display area 20 at a magnification ratio of (enlargement destination range) / (enlargement original range) according to the enlargement source range and enlargement destination range of the range display means 13. It is displayed (S25). That is, the direction of the arrow d is opposite, and the reduction source range 24 and the reduction destination range 25 are:
If they are the enlargement destination range and the enlargement source range, respectively, the display data in the enlargement source range (reduction destination range 25) is enlarged to the size of the enlargement destination range (reduction source range 24). In an area excluding the enlargement destination range (reduction source range 24) of the display area 20, display data outside the enlargement source range (reduction destination range 25) is displayed at the enlargement magnification. Here, similarly to the above, the reduction / enlargement display unit 14 may obtain the enlargement source range and the enlargement destination range from the vector specified by the instruction unit 30.

As described above, since the range display means 13 displays the reduction source range 24, the reduction destination range 25, or the expansion source range and the expansion destination range, the reduction destination range 24 or the expansion source range can be confirmed. . In other words, the size after reduction can be visually confirmed before reduction, so that it is possible to easily approach the desired size. Similarly, since the original size of the enlargement can be visually confirmed before the enlargement, the original size can be easily approximated.

Further, since the instructing means 30 designates the start point and the end point, and designates the reduction destination range 25 or the enlargement source range, the display position can be specified. That is, there is no need to move and specify the display position after reduction or enlargement, and the burden on the operator can be reduced.

Since the reduction ratio or the enlargement ratio is indicated by a vector using the indicating means 30, the change rate and the change amount can be visually indicated. That is, since the size can be visually confirmed, it is possible to easily approach the desired size.

The present invention is not limited to this, but may be as follows. Reduction destination range 21-2
3, 25, and the reduction source range 24 are indicated by a broken box-shaped cursor, but the range may be indicated by blinking or inversion. The same applies to the enlargement source range and the enlargement destination range.

Further, although the configuration for performing reduction and enlargement has been described, any configuration may be used as long as it performs at least one.

The range display means 13 uses the start point and end point and a part of the frame of the display area 20 to display the reduction source range 24,
Although the configuration in which the reduction destination range 25, the expansion source range, and the expansion destination range are displayed has been described, the configuration may be such that the range is displayed by using the start point, the end point, and a part of the center line of the display area 20.

Further, the configuration may be such that the range display means 13 is not provided. In other words, in accordance with the vector instruction of the instruction means 30, the reduction / enlargement display means 14 specifies the reduction source range and the reduction destination range in real time, and (reduction destination range).
The display data is displayed in the display area 20 at a magnification of // (reduction source range).
To be displayed. Alternatively, in accordance with the vector instruction of the instruction means 30, the reduction / enlargement display means 14
Specify the enlargement source range and enlargement destination range, and
The display data is displayed in the display area 20 at a magnification of (enlargement source range). Here, the range in which the enlargement and reduction are performed in real time may be performed not only for the entire display area 20 but also in real time only for the reduction destination range or the enlargement destination range.

In such an apparatus, the indicating means 30
In response to the vector instruction, the reduction / enlargement display means 14 performs reduction / enlargement display in real time, so that reduction / enlargement close to the image of the operator can be performed. That is, reduction or enlargement can be performed while checking the size or position after reduction or enlargement.

[0031]

According to the present invention, the following effects can be obtained. According to the first and fourth aspects, the reduction destination range or the expansion source range is displayed, so that the reduction destination range or the expansion source range can be confirmed. In other words, the size after reduction can be visually confirmed before reduction, so that it is possible to easily approach the desired size. Similarly, since the original size of the enlargement can be visually confirmed before the enlargement, the original size can be easily approximated.

Also, since the start point and the end point are specified and the reduction destination range or the expansion source range is specified, the display position can be specified. That is, there is no need to move and specify the display position after reduction or enlargement, and the burden on the operator can be reduced.

According to the second and fifth aspects, the reduction source range, the reduction destination range, or the expansion source range and the expansion destination range are displayed, so that the reduction destination range or the expansion source range can be confirmed. In other words, the size after reduction can be visually confirmed before reduction, so that it is possible to easily approach the desired size. Similarly, since the original size of the enlargement can be visually confirmed before the enlargement, the original size can be easily approximated.

Further, since a start point and an end point are specified and a reduction destination range or an expansion source range is specified, a display position can be specified. That is, there is no need to move and specify the display position after reduction or enlargement, and the burden on the operator can be reduced.

Since the reduction rate or the enlargement rate is indicated by a vector, the change rate and the change amount can be visually indicated.
That is, since the size can be visually confirmed, it is possible to easily approach the desired size.

According to the third and sixth aspects, reduction and enlargement are performed in real time by vector designation, so that reduction and enlargement close to the image of the operator can be performed.
That is, reduction or enlargement can be performed while checking the size or position after reduction or enlargement.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the device shown in FIG.

FIG. 3 is a diagram showing a display example of the device shown in FIG. 1;

FIG. 4 is a diagram showing a display example of the device shown in FIG. 1;

FIG. 5 is a configuration diagram showing a second embodiment of the present invention.

6 is a flowchart showing the operation of the device shown in FIG.

FIG. 7 is a diagram for explaining the operation of the device shown in FIG.

[Explanation of symbols]

 11, 13 Range display means 12, 14 Reduction / enlargement display means 20 Display area 30 Instructing means

Claims (6)

[Claims] 1. A reduction / enlargement display device for performing at least one of a reduction display and an enlargement display of display data, an instruction means for instructing two points of a display area, and a reduction destination range or Range display means for displaying an enlargement source range in the display area; and reducing and displaying the display data in the display area at a magnification of (the reduction destination range) / (the display area); or
Reduction / enlargement display means for enlarging and displaying at a magnification of (the display area) / (enlargement source range). 2. A reduced-magnification display device for performing at least one of a reduced display and an enlarged display of display data, wherein: an instruction means for instructing a vector by indicating two points in a display area; and A range display means for displaying the reduction source range and the reduction destination range or the display of the expansion source range and the expansion destination range in the display area; and displaying the display data in the display area. (Reduced display) at a magnification of (range) / (the reduction source range), or
Reduction / enlargement display means, which comprises a reduction / enlargement display means for enlarging and displaying at a magnification of (the enlargement destination range) / (the enlargement source range). 3. A reduction / enlargement display device for performing at least one of a reduction display and an enlargement display of display data, wherein: an instruction means for instructing a vector by designating two points in a display area; In real time,
A reduction source range, a reduction destination range, or an expansion source range, an expansion destination range are specified, and the display data is displayed in the display area.
A reduction / enlargement display means for reducing display at a magnification of (the reduction destination range) / (the reduction source range) or enlarging and displaying at a magnification of (the enlargement destination range) / (the expansion source range). Display device. 4. A reduction / enlargement display method for performing at least one of a reduction display and an enlargement display of display data, wherein two points of a display area are designated, and a reduction destination range or an expansion source range is determined based on the two points.
Displaying the display data in the display area, reducing the display data in the display area at a magnification of (the reduction destination range) / (the display area), or
A reduction / enlargement display method, wherein an enlargement display is performed at a magnification ratio of (the display area) / (the enlargement source range). 5. A reduced and enlarged display method for performing at least one of reduced display and enlarged display of display data, wherein a vector is specified by specifying two points in a display area, and a reduction source range and a reduction are specified based on the vector. The display of the destination range or the display of the enlargement source range and the enlargement destination range is performed in the display area, and the display data is displayed in the display area by (the reduction destination range) / (the reduction source range). Scaled down, or
A reduced-enlarged display method, wherein an enlarged display is performed at a magnification ratio of (the enlargement destination range) / (the enlargement source range). 6. A reduction / enlargement display method for performing at least one of a reduction display and an enlargement display of display data, wherein a vector is specified by specifying two points in a display area, and a reduction source is determined in real time based on the vector. A range, a reduction destination range, or an enlargement source range and an enlargement destination range are specified, and the display data is reduced and displayed in the display area at a magnification of (the reduction destination range) / (the reduction source range), or A reduced-enlarged display method, wherein an enlarged display is performed at a magnification ratio of (the enlargement destination range) / (the enlargement source range).