JP2003075473A - Time-base interlocked scrolling method for measuring apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a time-base interlocked scrolling method for measuring apparatus which facilitates changing a displayed waveform during executing of a time-base mutually interlocked mode of a plurality of display screens. SOLUTION: In an interlock mode, e.g. a first and second windows 11, 12 are set to be the interlocking and interlocked sides, respectively. The interlocked side horizontally scrolls synchronously with a horizontal scroll operation at the interlocking side, but the interlocking side is inreactive to the horizontal scroll operation at the interlocked side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measuring instrument having a display screen, and more particularly to interlocking scrolling of a plurality of display screens or windows.

[0002]

2. Description of the Related Art For example, an oscilloscope has a display screen on which measurement data is displayed in the form of a waveform.

In order to compare the displayed waveform with, for example, a past waveform, the conventional measuring instrument can display a plurality of windows on the display screen as shown in FIG. For example, when the first and second windows are displayed, a function of interlocking the first window 2 and the second window 3 with each other is added.

When the user selects the mutual interlocking mode or the synchronous interlocking mode, the horizontal scroll bar 4 of the first window 2 is selected.
And the horizontal scroll bar 5 of the second window 3 are linked to each other. For example, when the waveform 6 of the first window 2 is scrolled in the time axis direction, that is, the horizontal direction, the waveform 7 of the second window 3 is also scrolled together. On the other hand, when the horizontal scroll bar 5 of the second window 3 is operated to horizontally scroll the displayed waveform 7, the waveform 6 of the first window 2 is also scrolled.

[0005]

For example, in the first window 2 (FIG. 1), the portion A of the memory area surrounded by the upper frame of FIG. 2 is displayed, and in the second window 3 (FIG. 1), When the portion B of the memory area surrounded by the lower frame is displayed, when changing the display waveform of the second window 3 from the portion B to the portion C, the first, second After canceling the synchronous interlocking mode of the windows 3 and 4, the display waveform of the second window 3 had to be changed.

Therefore, an object of the present invention is to provide a time axis interlocking scrolling method of a measuring instrument, which can easily change the displayed waveform during execution of the time axis interlocking mode of a plurality of display screens. is there.

[0007]

According to the present invention, such a technical problem resides in a time axis coordinated scrolling method for a measuring instrument in which waveforms displayed on a plurality of screens can be interlocked to scroll in the time axis direction. When the interlock source screen and interlock destination screen are set and the interlock source display waveform is scrolled in the time axis direction, the interlock destination display waveform scrolls accordingly, and the interlock destination display waveform is set on the time axis. This is achieved by providing a time axis coordinated scrolling method for a measuring instrument, which is characterized in that, when scrolling in a direction, scrolling of the display waveform of the interlocking source corresponding thereto is prohibited.

The above and other objects of the present invention and the effects thereof will be apparent from the following detailed description of the preferred embodiments of the present invention.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 3 conceptually shows a display screen 10 of the oscilloscope. This oscilloscope has a function of displaying two or more windows on the display screen 10. The display screen 10 shown in FIG.
Although the window 11 and the second window 12 are displayed, the present invention is not limited to displaying a plurality of windows on a single screen, and an oscilloscope having a plurality of display screens or monitor screens. Is applicable to.

The two windows 11 and 12 respectively have horizontal scroll bars 13 and 1 arranged along the lower edges thereof.
4 is provided, and when the horizontal scroll bar 13 of the first window 11 is operated, the display waveform 15 of the first window 11 is displayed.
Moves or scrolls in the horizontal direction, that is, the time axis direction, and when the horizontal scroll bar 14 of the second window 12 is operated, the display waveform 16 of the second window 12 moves or scrolls in the horizontal direction, that is, the time axis direction.

The oscilloscope also has an interlocking mode for synchronously interlocking the display waveform 15 of the first window 11 and the display waveform 16 of the second window 12. When the user selects the interlocking mode, the oscilloscope displays in the following manner. Waveforms 16 and 17
Are linked and scroll in the time axis direction.

(1) When the horizontal scroll bar 13 of the first window 11 is operated, the display waveform 15 of the first window 11 scrolls in the time axis direction, that is, in the horizontal direction, and in synchronization with this, the second window 12 displays. The displayed waveform 16 horizontally scrolls in the same direction. In other words, if the first window 11 is referred to as a “link source” and the second window 12 is referred to as a “link destination”, when the first window 11 of the link source is horizontally scrolled, it is synchronized with the link destination. The second window 12 scrolls horizontally.

(2) Conversely, if the horizontal scroll bar 14 of the second window 12 is operated, the second window 12
The display waveform 16 of No. 1 scrolls in the time axis direction, that is, the horizontal direction, but the display waveform 15 of the first window 11 does not scroll. That is, the horizontal scroll of the interlocking destination does not affect the interlocking source, and the interlocking relationship is broken in this phase.

As can be understood from the above description, the linked second window 12 is the linked source first window 11.
However, the first window 11 of the interlocking source does not react to the horizontal scrolling operation of the second window 12 of the interlocking destination. That is, the interlocking relationship is one way from the interlocking source to the interlocking destination.

First window 11 and second window 12
The relationship with is an example and may be reversed. Further, the user may freely set which is the interlocking source. That is, as in the above example, the first window 11 is the interlocking source and the second window 12 is the interlocking destination, or conversely, the second window 12 is the interlocking source and the first window 11 is the interlocking source. The user may decide whether to go first and set this.

Although the relationship between the two windows, that is, the display screens, has been described above, the same applies to, for example, three windows or display screens. For example, when the first to third windows are displayed. The first window may be set as the link source, the second window may be set as the link destination for the first window, and similarly, the third window may be set as the link destination of the first window.

Based on the above, the preferred embodiment will be described based on the flowcharts shown in FIGS. The flow charts shown in these drawings are based on the premise that a plurality of windows are displayed on the display screen 10 (FIG. 3) and also on the assumption that the interlocking mode is selected.

FIG. 4 is a flow chart showing an example of a procedure for selecting a linkage source and a linkage destination. Step S
At 10, the interlocking source is first selected and set. In the display screen 10 shown in FIG. 3, the user selects either the first window 11 or the second window 12 as the link source.

In the next step S11, the interlocking destination is selected and set. For example, when the first window 11 is set as the interlocking source in step S10, the user selects the second window 12 as the interlocking destination.

FIG. 5 shows the procedure of the screen display method when the interlocking source is horizontally scrolled. For convenience of explanation, the first window 11 is set as the interlocking source, and the second window 12 is set.
Will be specifically described as necessary, assuming that is set as the link destination.

In step S20, when the horizontal scroll bar of the interlocking source display screen is operated, the interlocking source display screen is horizontally scrolled in accordance with the scroll operation (scroll amount (Scroll X1)). That is, when the user operates the horizontal scroll bar 13 of the first window 11, the display waveform 1 of the first window 11 is displayed according to the scroll operation.
5 scrolls in the time axis direction.

In step S21, the scroll time (Scroll T) is calculated from the scroll amount (Scroll X1) of the interlocking source (first window 11). This is the ratio of the screen display range (screen device coordinates) and the screen time range (time coordinates) at the interlocking source (in this case, the screen display range is the denominator,
The ratio can be obtained by multiplying the scroll amount (Scroll X1) by the ratio of the screen time range as the numerator.

In the next step S22, the scroll amount (Scroll X2) of the link destination (second window 12) is obtained.
This is the ratio of the screen display range (screen device coordinates) and the screen time range (time coordinates) in the link destination (second window 12) (in this case, the screen display range is the numerator and the screen time range is the denominator). Can be obtained by multiplying the scrolled time (Scroll T) obtained in the previous step S21.

In step S23, the display waveform 16 of the interlocking destination (second window 12) is scrolled. The scroll amount of this interlocking destination is the scroll amount (Scroll X2) obtained in the previous step S22.

FIG. 6 shows the procedure of the screen display method when the link destination is horizontally scrolled. For convenience of explanation, the first window 11 is set as the interlocking source, and the second window 12 is set.
Will be specifically described as necessary, assuming that is set as the link destination.

If the second window 12 is set as a link destination, when the user operates the horizontal scroll bar 14 of the second window 12, the waveform 16 of the second window 12 scrolls in the time axis direction in response to this. To do.
In other words, with respect to the horizontal scroll of the second window 12 that is the interlocking destination, the horizontal scroll of the first window 11 that is the interlocking source corresponding to this is prohibited.

As can be understood from the above description, in the interlocking mode, for example, when the first window 11 is set as the interlocking source and the second window 12 is set as the interlocking destination, it is synchronized with the horizontal scrolling operation of the interlocking source. The link destination scrolls horizontally, but the link source does not respond to the horizontal scroll operation of the link destination. That is, the interlocking relationship is only in one direction from the first window 11 to the second window 12. Therefore, without canceling the interlocking mode,
The displayed waveform 16 in the second window 12 is displayed in the first window 1
The display position can be adjusted by independently scrolling in the state of being separated from 1.

[Brief description of drawings]

FIG. 1 is a diagram for explaining a conventional time-axis linked scroll.

FIG. 2 is a diagram for explaining a problem of a conventional time-axis linked scroll.

FIG. 3 is a diagram for explaining a time-axis linked scroll according to the present invention.

FIG. 4 relates to a time axis scrolling according to the present invention,
9 is a flowchart showing an example of a procedure in which a user selects a linkage source and a linkage destination in the linkage mode.

FIG. 5 relates to a time axis interlocking scroll according to the present invention,
It is a flowchart which shows an example of the procedure of the interlocking scroll of an interlocking | linkage origin and an interlocking | linkage destination in an interlocking mode.

FIG. 6 relates to scrolling with time axis according to the present invention,
9 is a flowchart showing an example of a procedure for prohibiting interlocking scrolling between the interlocking source and the interlocking destination in the interlocking mode.

[Explanation of symbols]

10 Display screen 11 First window 12 Second window 13 Horizontal scroll bar of the first window 14 Horizontal scroll bar of the second window 15 Display waveform in the 1st window 16 Displayed waveform in the 2nd window

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Claims (2)

[Claims] 1. A time axis coordinated scrolling method for a measuring instrument in which waveforms displayed on a plurality of screens are interlocked and can be scrolled in the time axis direction. When the display waveform of is scrolled in the time axis direction, the display waveform of the link destination scrolls accordingly. When the display waveform of the link destination scrolls in the time axis direction, the display waveform of the link source corresponding to this Scrolling method interlocked with time axis of measuring instrument, characterized in that scrolling is prohibited. 2. The time axis interlocking scroll method for a measuring instrument according to claim 1, wherein the interlocking source display screen and the interlocking destination display screen are selectable by a user.