CN107941256B - A Numerical Personalized Display Method of High Precision Measuring Instrument - Google Patents

Abstract

The invention provides a numerical value personalized display method of a high-precision measuring instrument, which comprises the steps of setting two rows and a plurality of columns of table format personalized display areas, wherein the first row is a unit display area and displays the scale and unit of a measuring result, the second row is a digital display area and displays a measuring numerical value, measuring data are sent to an interface and then exist in a bottom layer code in an initial state, the unit of the current measuring data is judged and obtained through a measuring mode at the moment, the scale unit of the current data is determined according to the numerical value, the numerical value is divided through three bits and one group of data, and finally the two are filled into a two-dimensional array of the display data and drawn into a corresponding area of the display interface. The method realizes the control of the effective digit and the precision of the measured numerical value in the personalized display area, completes the digit control after the decimal point of the numerical value, can display and control the numerical value on the left and the right, provides a more user-friendly and personalized digital display mode, and improves the use efficiency of the user.

Description

A Numerical Personalized Display Method of High Precision Measuring Instrument

technical field

The invention relates to the field of numerical value display of measuring instruments, in particular to a method for individualized numerical value display of high-precision measuring instruments.

Background technique

With the rapid development of measuring instruments, people have higher and higher requirements for the software functions of instrument measurement, and the corresponding requirements for the friendliness of human-computer interaction interface have also increased, and the numerical display form of measuring instruments has been continuously improved. The interface display of small measuring instruments often has a digital display mode and a graphic display mode, and the digital display mode is usually the most important display mode. When using a small high-precision measuring instrument, due to the size of the instrument itself, the size of the display screen is restricted, and the displayed measurement result data is often located in the middle of the screen, which is the most important measurement information. The accuracy of the data is required to be high, and the user needs to obtain the data with more significant digits and the corresponding unit and system according to different measurement settings. In order to facilitate users to observe the measurement results, the data display adopts a more intuitive way, and try to avoid the appearance of irrelevant data.

The numerical display mode of the existing measuring instrument is: the measured result is directly drawn on the interface in the form of a complete string, the complete string is a combination of two strings, one is a double-precision numerical value that is not processed directly. The converted character string, the other is the unit character string corresponding to the measurement mode; the effective number of digits can be controlled; the number of digits after the decimal point cannot be controlled; it is displayed on the left. This display method achieves the purpose of displaying the measurement result by drawing a complete string with units and bases on the screen. However, the data measured by the high-precision measuring instrument needs to display the most significant digits up to 15 digits, and only one display is displayed at the same time. The user is observing the measurement result with higher display accuracy or needs to read the data on a certain digit. When reading data, the phenomenon of low reading efficiency or even misreading is prone to occur. At the same time, this display method cannot control the number of digits after the decimal point, so this display method has poor user experience and low friendliness.

Numerical segmentation display method: the measured result is directly drawn on the interface in the form of a complete string, which is a combination of two strings, one is processed by adding spaces after every three digits of a double-precision value After conversion, the other is the unit and hexadecimal string corresponding to the measurement mode; the effective number of digits can be controlled; the number of digits after the decimal point cannot be controlled; it is displayed on the left. This display method first processes the measurement results, adding spaces before and after the decimal point after every 3 digits, but after adding spaces, it is still a complete string with unit and base; this display method often does not provide valid after the decimal point The number of digits is controlled, and the user-friendliness is low. Although this method reduces the occurrence of misreading to a certain extent, when the data measured by the measuring instrument displays a large number of digits after the decimal point, if the user needs to observe the number of digits in any position of the string Numbers are still unavoidable misreading. For example, when the value is accurate to a or z, it is easy to mix the bases of n, p, f, a, z, etc.; there is no anti-jitter control.

In addition, users often prefer to read according to their personal habits when reading the measurement results, and cannot provide the setting of effective digits, digits after the decimal point, and left-to-right display settings at the same time.

SUMMARY OF THE INVENTION

Aiming at the problems of poor user experience and low friendliness in the existing numerical display methods of high-precision measuring instruments, the present invention provides a method for personalized numerical display of high-precision measuring instruments.

The present invention adopts following technical scheme:

A method for individualized display of numerical values of a high-precision measuring instrument, comprising the following steps:

Step 1: Divide the digital display area of the screen to obtain a personalized display area. The personalized display area includes the upper unit display area and the lower digital display area. The unit display area and the digital display area are divided into 5 columns according to the table style. , each column corresponds to the top and bottom;

Step 2: Create the binary string array m_rgStrUnit[], the display area two-dimensional string array m_rgStrText[2][5] and the table area array m_rgRtText[2][5] respectively. The binary string array stores the binary characters. The two-dimensional string array in the display area saves and displays all related strings, and the table area array saves each grid area;

Step 3: The unit display area is responsible for displaying the unit string. The unit string is composed of binary characters and measurement units. Whenever measurement data is received, the measurement data type is judged according to the measurement settings, the measurement unit is obtained, and the current data is determined according to the measurement value. The hexadecimal string, the measurement unit and the hexadecimal string are combined and saved to the first line of the two-dimensional string array m_rgStrText[2][5] in the display area. The base unit string is at the end;

Step 4: The digital display area is responsible for numerical display. The measured double display value is first judged positive or negative. If the value is positive, continue processing. If it is negative, record the negative sign and take the absolute value to continue processing;

Then judge the numerical range. The numerical range takes 10 ³ times as the interval span, record the current range, and set the unit display index and decimal index according to the range; convert the numerical value to a string, record the decimal point position and remove the decimal point;

Step 5: Combining the effective digits, precision, and display position control marks passed in through the interface, start with the decimal point position, and divide the string by three groups of values to the left and right respectively. If the divided data before the decimal point is not satisfied If there are three digits, then fill up with "" forward, and if each cell of the data divided after the decimal point is less than three digits, fill it with "*" backward;

Step 6: Fill the divided value into the second row of the two-dimensional string array m_rgStrText[2][5];

Step 7: According to the filled string array, use the MFC drawing mechanism to draw the string to the area represented by the table area array m_rgRtText[2][5].

Preferably, when the instrument measures commonly used measured data such as 1n, 1μ, 1m, 1, 1k, 1M, and 1G, the actual measured values will be in the range of 1n, 1μ, 1m, 1, 1k, 1M, and 1G. Continuous and high-speed fluctuations in a small range around the left and right;

When judging the numerical range, create a temporary variable to save the range that allows 1n, 1μ, 1m, 1, 1k, 1M, and 1G to fluctuate downward. This range is added to the actual measured value to obtain a temporary measured value. The temporary measured value is less than 1n, 1μ, At 1m, 1, 1k, 1M, and 1G, the second, third, fourth, and fifth columns of the control personalized display area remain unchanged, and the digital display area in the first column is empty.

Preferably, the area ratio of the unit display area and the digital display area is 1:2.

Preferably, the base characters include G, M, k, m, μ, n, p, f, a, z, and the like.

Preferably, the measurement units include Hz, V, s, Deg, Pct, and the like.

Preferably, when the valid data is not enough to fill the five columns, it can control the display on the left and on the right, and set the left-to-right display flag bPosFlag. When bPosFlag is 0, it is displayed on the left. This is the default display mode. When bPosFlag is 1, it is displayed on the right. ;

When displayed on the left, the control data is divided into groups of three from the front to the back, and the divided arrays are filled in the first column and the second column in turn until the data is filled. At this time, the unfilled columns are filled with "***"; When displayed on the right, the test data is divided into groups of three from the back to the front, and the divided array is filled from the fifth column forward until the data is filled.

The beneficial effects that the present invention has are:

The invention provides a method for personalized display of numerical values of a high-precision measuring instrument. By setting a two-row and multiple-column tabular personalized display area, the system and unit of the measurement result are displayed in the first row, and the measurement value is displayed in the second row. The measured value is divided into three groups and filled into the corresponding area, which is convenient for users to accurately and quickly locate a certain digit of the value. At the same time, it realizes the effective number of digits and precision control of the measured value in the personalized display area, completes the control of the number of digits after the decimal point of the value, can realize the display control of the value to the left and the right, and realize the anti-shake control of the measurement data display.

The numerical display method provides a more user-friendly and more personalized digital display mode, optimizes the interface display, and improves the user's use efficiency.

Description of drawings

FIG. 1 is a schematic structural diagram of a personalized display area.

FIG. 2 is a schematic diagram showing the numerical value display in the personalized display area.

Figure 3 is a schematic diagram of numerical jitter display.

Figure 4 is a schematic diagram of a numerical jitter control display.

Figure 5 is a flow chart of a method for dividing a three-digit group of values.

FIG. 6 is a schematic diagram of displaying data on the left.

Figure 7 is a schematic diagram showing the data to the right.

Detailed ways

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

With reference to Figures 1 to 4, a method for personalized display of numerical values of a high-precision measuring instrument, comprising the following steps:

Step 1: Divide the digital display area of the screen to obtain a personalized display area. The personalized display area includes the upper unit display area and the lower digital display area, and the area ratio of the unit display area and the digital display area is 1:2 . The unit display area and the digital display area are evenly divided into 5 columns according to the table style, and each column corresponds one by one, as shown in Figure 1.

Step 2: Create the binary string array m_rgStrUnit[], the display area two-dimensional string array m_rgStrText[2][5] and the table area array m_rgRtText[2][5] respectively. The binary string array stores the binary characters. The two-dimensional string array in the display area saves and displays all related strings, and the table area array saves each grid area.

Binary characters include G, M, k, m, μ, n, p, f, a, and z. .

Step 3: The unit display area is responsible for displaying the unit string. The unit string consists of hexadecimal characters and measurement units, such as "GHz", where "G" represents the 9th power of hexadecimal 10, and "Hz" is the frequency measurement unit.

Measurement units also include volts V, seconds s, degrees Deg and percentage Pct, etc.

Whenever the measurement data is received, the measurement data type is judged according to the measurement settings, the measurement unit is obtained, and the hexadecimal string of the current data is determined according to the measurement value. In the first line of m_rgStrText[2][5], the saving principle is that the high-end unit string is first, and the low-end unit string is after.

Step 4: The digital display area is responsible for numerical display. The measured double display value is first judged positive or negative. If the value is positive, continue processing. If it is negative, record the negative sign and take the absolute value to continue processing;

Then judge the numerical range. The numerical range takes 10 ³ times as the interval span, record the current range, and set the unit display index and decimal index according to the range; convert the numerical value to a string, record the decimal point position and remove the decimal point.

When the instrument measures the commonly used measured data such as 1n, 1μ, 1m, 1, 1k, 1M, and 1G, the actual measured value will be around 1n, 1μ, 1m, 1, 1k, 1M, and 1G. Continuous, high-speed fluctuations within the range. When the data fluctuates in a small range greater than or equal to 1n, 1μ, 1m, 1, 1k, 1M, and 1G, the first column is always the base unit corresponding to 1 and 1, and the measurement information does not jitter; and when the data fluctuates When it is less than 1n, 1μ, 1m, 1, 1k, 1M, 1G, the first column will have no data. At this time, the second column will be filled to the first column, the third column will be filled with the second column, and the latter will be filled in sequence until it is filled. Five columns, information jitter phenomenon occurs at this time, as shown in Figure 3. In order to solve this problem, create a temporary variable to save the range that allows 1n, 1μ, 1m, 1, 1k, 1M, 1G to fluctuate downwards. This range is added to the measured value to obtain a temporary measured value, such as "DOUBLE dValTmp=dVal+2 *dVal*1.0E-3”, dVal is the current measured value, 2*dVal*1.0E-3 is the allowable downward fluctuation range, and dValTmp is the temporary measured value.

When the temporary measurement value is greater than or equal to 1n, 1μ, 1m, 1, 1k, 1M, and 1G, no anti-shake processing is performed; when the temporary measurement value is less than 1n, 1μ, 1m, 1, 1k, 1M, and 1G, the personalized display area is controlled. The second, third, fourth, and fifth columns remain unchanged, and the first column's digital display area is empty. The results are shown in Figure 4.

Step 5: Combining the effective digits, precision, and display position control marks passed in through the interface, start with the decimal point position, and divide the string by three groups of values to the left and right respectively. If the divided data before the decimal point is not satisfied If the number of three digits is less than three digits, it will be filled with "" forward. If the data divided after the decimal point is less than three digits, it will be filled with "*".

Figure 5 shows a method for dividing a numerical value into three groups. The method for dividing a numerical value into three groups is the prior art, which is a common technology in the field, and will not be described in detail here.

Step 6: Fill the divided value into the second row of the two-dimensional string array m_rgStrText[2][5], as shown in Figure 2.

Step 7: According to the filled string array, use the MFC drawing mechanism to draw the string to the area represented by the table area array m_rgRtText[2][5].

When five columns are filled with valid data, there is no need to control the display from left to right. When the valid data is not enough to fill the five columns, it can control the display on the left and right, and set the left-right display flag bPosFlag, when bPosFlag is 0, it is displayed on the left, which is the default display mode, and when bPosFlag is 1, it is displayed on the right.

When displayed on the left, the control data is divided into groups of three from front to back, and the divided arrays are filled in the first column and the second column in turn until the data is filled. At this time, the unfilled columns are filled with "***", such as shown in Figure 6.

When displayed on the right, the test data is divided into groups of three from the back to the front, and the divided array is filled from the fifth column forward until the data is filled. As shown in Figure 7.

The method provides a more user-friendly and more personalized digital display mode, optimizes the interface display, and improves the user's use efficiency.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by those skilled in the art within the essential scope of the present invention should also belong to the present invention. the scope of protection of the invention.

Claims (6)

1. a numerical display method of a high-precision measuring instrument, is characterized in that, comprises the following steps: Step 1: Divide the digital display area of the screen to obtain a personalized display area. The personalized display area includes the upper unit display area and the lower digital display area. The unit display area and the digital display area are divided into 5 columns according to the table style. , each column corresponds to the top and bottom; Step 2: Create the binary string array m_rgStrUnit[], the display area two-dimensional string array m_rgStrText[2][5] and the table area array m_rgRtText[2][5] respectively. The binary string array stores the binary characters. The two-dimensional string array in the display area saves and displays all related strings, and the table area array saves each grid area; Step 3: The unit display area is responsible for displaying the unit string. The unit string is composed of binary characters and measurement units. Whenever measurement data is received, the measurement data type is judged according to the measurement settings, the measurement unit is obtained, and the current data is determined according to the measurement value. The hexadecimal string, the measurement unit and the hexadecimal string are combined and saved to the first line of the two-dimensional string array m_rgStrText[2][5] in the display area. The base unit string is at the end; Step 4: The digital display area is responsible for numerical display. The measured double display value is first judged positive or negative. If the value is positive, continue processing. If it is negative, record the negative sign and take the absolute value to continue processing; Then judge the numerical range. The numerical range takes 10 ³ times as the interval span, record the current range, and set the unit display index and decimal index according to the range; convert the numerical value to a string, record the decimal point position and remove the decimal point; Step 5: Combining the effective digits, precision, and display position control marks passed in through the interface, start with the decimal point position, and divide the string by three groups of values to the left and right respectively. If the divided data before the decimal point is not satisfied If there are three digits, then fill up with "" forward, and if each cell of the data divided after the decimal point is less than three digits, fill it with "*" backward; Step 6: Fill the divided value into the second row of the two-dimensional string array m_rgStrText[2][5]; Step 7: According to the filled string array, use the MFC drawing mechanism to draw the string to the area represented by the table area array m_rgRtText[2][5]. 2. the numerical display method of a kind of high-precision measuring instrument according to claim 1, is characterized in that, when the instrument measures these several kinds of commonly used measured data of 1n, 1μ, 1m, 1, 1k, 1M, 1G, The actual measured value will fluctuate continuously and at high speed within a small range of about 1n, 1μ, 1m, 1, 1k, 1M, and 1G; When judging the numerical range, create a temporary variable to save the range that allows 1n, 1μ, 1m, 1, 1k, 1M, and 1G to fluctuate downward. This range is added to the actual measured value to obtain a temporary measured value. The temporary measured value is less than 1n, 1μ, At 1m, 1, 1k, 1M, and 1G, the second, third, fourth, and fifth columns of the control personalized display area remain unchanged, and the digital display area in the first column is empty. 3 . The numerical display method of a high-precision measuring instrument according to claim 1 , wherein the area ratio of the unit display area and the digital display area is 1:2. 4 . 4 . The numerical display method of a high-precision measuring instrument according to claim 1 , wherein the hexadecimal characters include G, M, k, m, μ, n, p, f, a and z. 5 . 5 . The numerical display method of a high-precision measuring instrument according to claim 1 , wherein the measurement units include Hz, V, s, Deg and Pct. 6 . 6. the numerical value display method of a kind of high-precision measuring instrument according to claim 1, is characterized in that, when valid data is not enough to fill up five columns, can control the display on the left and on the right, and set the display mark bPosFlag on the left and on the right, bPosFlag When it is 0, it is displayed on the left, which is the default display mode. When bPosFlag is 1, it is displayed on the right; When displayed on the left, the control data is divided into groups of three from the front to the back, and the divided arrays are filled in the first column and the second column in turn until the data is filled. At this time, the unfilled columns are filled with "***"; When displayed on the right, the test data is divided into groups of three from the back to the front, and the divided array is filled from the fifth column forward until the data is filled.

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