CN112927577A - Length measuring method, device and equipment in online education - Google Patents
Length measuring method, device and equipment in online education Download PDFInfo
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- 238000005259 measurement Methods 0.000 claims abstract description 72
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0483—Interaction with page-structured environments, e.g. book metaphor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
Abstract
The invention discloses a length measuring method, a device and equipment in online education, wherein the method comprises the following steps: adding a ruler tool in an online education platform in advance, and displaying the ruler tool on a graphical editing interface; detecting that a user enters a graphic editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool to a graphic position of a to-be-measured graphic; and measuring the length corresponding to the graph to be measured, and displaying the measurement result. The embodiment of the invention can realize the distance test operation in a tool mode, and in the teaching process, if scenes (such as 2D images and 3D images) needing distance measurement appear, the tool is only required to be dragged to the position where the distance measurement is required, and the system automatically executes the distance measurement operation, so that the length measurement in the online teaching process is realized.
Description
Technical Field
The invention relates to the technical field of online education, in particular to a length measuring method, device and equipment in online education.
Background
Mathematics is a study of patterns, or a modeling (abstraction) process. Mathematics generalizes and abstracts concrete problems into a pure mathematical problem, and the solution of the abstract problem has practical significance and is beneficial to solving the practical problem. Thus, mathematics has two attributes, namely, abstraction and realism (or applicability). The infant is in the period of logical thinking germination and initial development, and is also the period of initial formation of mathematical concepts. The mathematical knowledge has high logicality and abstraction, and the logicality and abstraction of thinking of the infant can be exercised by learning mathematics.
The presentation form of the length in the mathematical education process in the existing online education for children is limited. The scale or the number is mainly directly displayed, so that the understanding and the teaching effect of students are limited to a certain extent. In addition, the measurement target is limited to a large extent, and measurement can be performed only for a preset target.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to a method, an apparatus and a device for measuring length in online education, which are used to solve the technical problem that only preset targets can be measured in the mathematical education process in online education for infants in the prior art.
The technical scheme of the invention is as follows:
a length measuring method in online education, which is applied to an online education platform, comprises the following steps:
adding a ruler tool in an online education platform in advance, and displaying the ruler tool on a graphical editing interface;
detecting that a user enters a graphic editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool to a graphic position of a to-be-measured graphic;
and measuring the length corresponding to the graph to be measured, and displaying the measurement result.
Further, the graph to be measured is a plane graph or a three-dimensional stereo graph,
detecting that the user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging a ruler tool to the graphic position of the graphic to be measured, wherein the steps comprise:
detecting that a user enters a graphical editing interface of an online education platform, and acquiring a measurement instruction;
and dragging the ruler tool to the position of the measuring element of the graph to be measured according to the measuring instruction.
Further preferably, the measuring elements of the figure to be measured are line segments,
detecting that the user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging a ruler tool to the graphic position of the graphic to be measured, wherein the steps comprise:
detecting that a user enters a graphical editing interface of an online education platform, and acquiring a measurement instruction;
and dragging the ruler tool to the position of the line segment according to the measurement instruction.
Further preferably, the measuring the length corresponding to the graph to be measured and displaying the measurement result includes:
and when the ruler tool and the measuring element of the graph to be measured meet the preset position relation, measuring the measuring element and displaying the measuring result.
Preferably, when it is detected that the ruler tool and the measurement element of the graph to be measured satisfy a preset positional relationship, measuring the measurement element and displaying a measurement result includes:
when the ruler tool and the measuring element of the graph to be measured meet a preset position relation, acquiring a first coordinate corresponding to a starting point and a second coordinate corresponding to an end point of the measuring element;
and calculating the length of the measuring element according to the first coordinate and the second coordinate, and displaying the length as a measuring result.
Further, the measuring the length corresponding to the graph to be measured and displaying the measurement result includes:
and adding a ruler mark at a position which is a preset distance away from the measuring element of the graph to be measured, and marking the measuring result at the position of the ruler mark.
Further, the detecting that the user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging the ruler tool to the graphic position of the graphic to be measured includes:
detecting that a user enters a graphical editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool;
highlighting the measuring elements with measurable length on the graphical editing interface;
and dragging the ruler tool to the graphic position corresponding to the measuring element with the measurable length.
Another embodiment of the present invention provides a length measuring device in online education, applied to an online education platform, the device including:
the ruler tool adding module is used for adding ruler tools in the online education platform in advance and displaying the ruler tools on the graphical editing interface;
the ruler tool dragging module is used for detecting that a user enters a graphic editing interface of the online education platform, acquiring a measurement instruction and dragging a ruler tool to a graphic position of a to-be-measured graphic;
and the length measuring and displaying module is used for measuring the length corresponding to the graph to be measured and displaying the measuring result.
Another embodiment of the present invention provides a length measuring apparatus in online education, the apparatus including at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the length measurement method in online education described above.
Yet another embodiment of the present invention provides a non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the length measurement method in online education described above.
Has the advantages that: the embodiment of the invention can realize the distance test operation in a tool mode, and in the teaching process, if scenes (such as 2D images and 3D images) needing distance measurement appear, the tool is only required to be dragged to the position where the distance measurement is required, and the system automatically executes the distance measurement operation, so that the length measurement in the online teaching process is realized.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flow chart of a preferred embodiment of a length measuring method in online education according to the present invention;
FIG. 2 is a schematic diagram of a ruler tool according to a preferred embodiment of the length measuring method in online education;
FIG. 3 is a schematic view illustrating a measuring operation of a ruler tool according to a preferred embodiment of the length measuring method in online education according to the present invention;
FIG. 4 is a schematic view showing a distance measurement according to a preferred embodiment of the length measurement method in online education according to the present invention;
FIG. 5 is a schematic diagram illustrating a distance measurement according to a preferred embodiment of the length measurement method in online education according to the present invention;
FIG. 6 is a schematic diagram of operational element highlighting in a preferred embodiment of a length measurement method in online education in accordance with the present invention;
FIG. 7 is a functional block diagram of a length measuring device in online education according to a preferred embodiment of the present invention;
fig. 8 is a hardware configuration diagram of a preferred embodiment of the length measuring apparatus in the online education according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is described in further detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Embodiments of the present invention will be described below with reference to the accompanying drawings.
The embodiment of the invention provides a length measuring method in online education. Referring to fig. 1, fig. 1 is a flowchart illustrating a length measuring method in online education according to a preferred embodiment of the present invention. As shown in fig. 1, it includes the steps of:
step S100, adding a ruler tool in an online education platform in advance, and displaying the ruler tool on a graphical editing interface;
s200, detecting that a user enters a graphic editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool to the graphic position of a to-be-measured graphic;
and step S300, measuring the length corresponding to the graph to be measured, and displaying the measurement result.
In specific implementation, the embodiment of the invention is applied to an online education platform. The online education platform is provided with math courses.
By adding the ruler tools in the education platform in advance, the method can be realized through bottom-layer programming, and the ruler tools are displayed on a graphical editing interface. As shown in fig. 2, the side lengths of squares and rectangles in the teaching scene are measurable targets. The ruler in the lower toolbar of fig. 2 is the measuring tool.
When a measuring instruction is detected, a user can drag a ruler tool to a measuring target, as shown in fig. 3, the ruler tool is dragged to the measuring target, so that the measuring operation can be completed, the system can automatically calculate the length of the measuring target according to the scene where the measuring target is located, and the measuring result is displayed. The online education platform of the embodiment of the invention is oriented to children. The measurement results are therefore expressed in integers, irrespective of the decimal point.
Further, a graphic plane figure to be measured, including but not limited to triangle, rectangle, square, circle and line segment, or a three-dimensional perspective figure, including but not limited to cube, cuboid and cylinder.
Detecting that the user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging a ruler tool to the graphic position of the graphic to be measured, wherein the steps comprise:
detecting that a user enters a graphical editing interface of an online education platform, and acquiring a measurement instruction;
and dragging the ruler tool to the position of the measuring element of the graph to be measured according to the measuring instruction.
In specific implementations, the measurement elements include, but are not limited to, triangle, rectangle, square side length, circle diameter, line segment length, and cube length, width, and height. In the embodiment of the invention, when a user wants to measure the side length of the plane graph, the ruler tool can be dragged to the position of the side length of the plane graph.
Further, the figure to be measured is a line segment,
detecting that the user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging a ruler tool to the graphic position of the graphic to be measured, wherein the steps comprise:
detecting that a user enters a graphical editing interface of an online education platform, and acquiring a measurement instruction;
and dragging the ruler tool to the position of the line segment to be measured according to the measuring instruction.
When the online education platform is specifically implemented, a user enters a graphic editing interface of the online education platform, clicks a ruler tool, triggers a measurement instruction, and drags the ruler tool to a line segment when the to-be-measured graphic is the line segment.
Further, the measuring the length corresponding to the graph to be measured and displaying the measuring result includes:
and when the ruler tool and the measuring element of the graph to be measured meet the preset position relation, measuring the measuring element and displaying the measuring result.
When the ruler is specifically implemented, when the ruler tool is dragged to a measuring element corresponding to a measuring target, namely the ruler tool is overlapped or crossed with the measuring element of the graph to be measured, the measuring element is measured, and a measured result is displayed.
Further, when detecting that the ruler tool and the measuring element of the graph to be measured meet a preset position relationship, measuring the measuring element, and displaying a measuring result, the method comprises the following steps:
when the ruler tool and the measuring element of the graph to be measured meet a preset position relation, acquiring a first coordinate corresponding to a starting point and a second coordinate corresponding to an end point of the measuring element;
and calculating the length of the measuring element according to the first coordinate and the second coordinate, and displaying the length as a measuring result.
In specific implementation, the background can obtain the length of the measurement element through the corresponding coordinates on the screen. Specifically, a first coordinate corresponding to the starting point and a second coordinate corresponding to the ending point of the measurement element can be obtained, the difference value between the first coordinate and the second coordinate is used as the length of the measurement element, and the length of the measurement element is used as a measurement result and displayed.
Further, the measuring the length corresponding to the graph to be measured, and after the measuring result is displayed, the method includes:
and adding a ruler mark at a position which is a preset distance away from the measuring element of the graph to be measured, and marking the measuring result at the position of the ruler mark.
In practice, as shown in fig. 5, a ruler is placed near the measuring target for indicating the distance measurement form according to the distance calculated by the system, and the calculated distance is indicated by a number. By placing a ruler near the measuring position after obtaining the result to indicate the measuring operation and marking the measuring result in a digital form, the student can know that the currently performed operation is the measuring operation and the measuring result.
Further, detecting that a user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging a ruler tool to a graphic position of a graphic to be measured, the method comprises the following steps:
detecting that a user enters a graphical editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool;
highlighting the measuring elements with measurable length on the graphical editing interface;
and dragging the ruler tool to the graphic position corresponding to the measuring element with the measurable length.
In specific implementation, as shown in fig. 6, after the user is detected to enter the online education platform and drag the ruler tool by the user, the measuring element with the operable graph is highlighted, the ruler tool is dragged to the side of the measuring element, the number appears at the top of the ruler, and the numbers are integers.
It can be known from the above method embodiments that the embodiments of the present invention provide a length measurement method in online education, a distance measurement operation is implemented as a tool, in a teaching process, if a scene (such as a 2D image and a 3D image) requiring distance measurement appears, the tool is only required to be dragged to a position where distance measurement is desired, a system automatically performs distance measurement operation, after a result is obtained, a ruler is placed near the measurement position to indicate the measurement operation, and the measurement result is marked in a digital form.
It should be noted that, a certain order does not necessarily exist between the above steps, and those skilled in the art can understand, according to the description of the embodiments of the present invention, that in different embodiments, the above steps may have different execution orders, that is, may be executed in parallel, may also be executed interchangeably, and the like.
Another embodiment of the present invention provides a length measuring apparatus in online education, as shown in fig. 7, the apparatus 1 including:
the ruler tool adding module 11 is used for adding ruler tools in the online education platform in advance and displaying the ruler tools on a graphical editing interface;
the ruler tool dragging module 12 is used for detecting that a user enters a graphic editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool to a graphic position of a to-be-measured graphic;
and the length measuring and displaying module 13 is used for measuring the length corresponding to the graph to be measured and displaying the measuring result.
The specific implementation is shown in the method embodiment, and is not described herein again.
Further, if the graph to be measured is a plane graph or a three-dimensional stereo graph, the graph ruler tool dragging module 12 is used for detecting that the user enters a graph editing interface of the online education platform to obtain a measurement instruction;
and dragging the ruler tool to the position of the measuring element of the graph to be measured according to the measuring instruction.
The specific implementation is shown in the method embodiment, and is not described herein again.
Further, the ruler tool dragging module 12 is further configured to detect that the user enters a graphical editing interface of the online education platform, and acquire a measurement instruction;
and dragging the ruler tool to the position of the line segment to be measured according to the measuring instruction.
The specific implementation is shown in the method embodiment, and is not described herein again.
Further, the length measuring and displaying module 13 is further configured to measure the measuring elements and display the measuring result when detecting that the ruler tool and the measuring elements of the graph to be measured satisfy a preset positional relationship.
The specific implementation is shown in the method embodiment, and is not described herein again.
Further, the length measuring and displaying module 13 is further configured to obtain a first coordinate corresponding to a start point and a second coordinate corresponding to an end point of the measuring element when detecting that the ruler tool and the measuring element of the graph to be measured satisfy a preset positional relationship;
and calculating the length of the measuring element according to the first coordinate and the second coordinate, and displaying the length as a measuring result.
The specific implementation is shown in the method embodiment, and is not described herein again.
Furthermore, the device is also provided with a marking module, and the marking module is used for adding ruler marks at positions which are away from the measuring elements of the graph to be measured by preset distances and marking the measuring results at the positions of the ruler marks.
The specific implementation is shown in the method embodiment, and is not described herein again.
Further, the ruler tool dragging module 12 is configured to detect that a user enters a graphical editing interface of the online education platform, acquire a measurement instruction, and drag a ruler tool;
highlighting the measuring elements with measurable length on the graphical editing interface;
and dragging the ruler tool to the graphic position corresponding to the measuring element with the measurable length.
The specific implementation is shown in the method embodiment, and is not described herein again.
Another embodiment of the present invention provides a length measuring apparatus in online education, as shown in fig. 8, the apparatus 10 including:
one or more processors 110 and a memory 120, where one processor 110 is illustrated in fig. 8, the processor 110 and the memory 120 may be connected by a bus or other means, and fig. 8 illustrates a connection by a bus as an example.
The memory 120, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions corresponding to the length measurement method in online education in the embodiment of the present invention. The processor 110 executes various functional applications and data processing of the device 10, i.e., implements the length measuring method in online education in the above-described method embodiments, by executing nonvolatile software programs, instructions, and units stored in the memory 120.
The memory 120 may include a storage program area and a storage data area, wherein the storage program area may store an application program required for operating the device, at least one function; the storage data area may store data created according to the use of the device 10, and the like. Further, the memory 120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 120 optionally includes memory located remotely from processor 110, which may be connected to device 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more units are stored in the memory 120, and when executed by the one or more processors 110, perform the length measurement method in online education in any of the above-described method embodiments, e.g., performing the above-described method steps S100 to S300 in fig. 1.
Embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer-executable instructions for execution by one or more processors, for example, to perform method steps S100-S300 of fig. 1 described above.
By way of example, non-volatile storage media can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), electrically erasable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in many forms such as Synchronous RAM (SRAM), dynamic RAM, (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchl ink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The disclosed memory components or memory of the operating environment described herein are intended to comprise one or more of these and/or any other suitable types of memory.
Another embodiment of the present invention provides a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions which, when executed by a processor, cause the processor to perform the length measurement method in online education of the above-described method embodiment. For example, the method steps S100 to S300 in fig. 1 described above are performed.
The above-described embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the embodiment.
Through the above description of the embodiments, those skilled in the art will clearly understand that the embodiments may be implemented by software plus a general hardware platform, and may also be implemented by hardware. Based on such understanding, the above technical solutions essentially or contributing to the related art can be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods of the various embodiments or some parts of the embodiments.
Conditional language such as "can," "might," or "may" is generally intended to convey that a particular embodiment can include (yet other embodiments do not include) particular features, elements, and/or operations, among others, unless specifically stated otherwise or otherwise understood within the context as used. Thus, such conditional language is also generally intended to imply that features, elements, and/or operations are in any way required for one or more embodiments or that one or more embodiments must include logic for deciding, with or without input or prompting, whether such features, elements, and/or operations are included or are to be performed in any particular embodiment.
What has been described herein in the specification and drawings includes examples that can provide a length measuring method and apparatus in online education. It will, of course, not be possible to describe every conceivable combination of components and/or methodologies for purposes of describing the various features of the disclosure, but it can be appreciated that many further combinations and permutations of the disclosed features are possible. It is therefore evident that various modifications can be made to the disclosure without departing from the scope or spirit thereof. In addition, or in the alternative, other embodiments of the disclosure may be apparent from consideration of the specification and drawings and from practice of the disclosure as presented herein. It is intended that the examples set forth in this specification and the drawings be considered in all respects as illustrative and not restrictive. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A length measuring method in online education is applied to an online education platform and comprises the following steps:
adding a ruler tool in an online education platform in advance, and displaying the ruler tool on a graphical editing interface;
detecting that a user enters a graphic editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool to a graphic position of a to-be-measured graphic;
and measuring the length corresponding to the graph to be measured, and displaying the measurement result.
2. The length measuring method in online education as claimed in claim 1, wherein the figure to be measured is a plane figure or a three-dimensional perspective view,
detecting that the user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging a ruler tool to the graphic position of the graphic to be measured, wherein the steps comprise:
detecting that a user enters a graphical editing interface of an online education platform, and acquiring a measurement instruction;
and dragging the ruler tool to the position of the measuring element of the graph to be measured according to the measuring instruction.
3. The length measuring method in online education as claimed in claim 2, wherein the measuring elements of the figure to be measured are line segments,
detecting that the user enters a graphic editing interface of the online education platform, acquiring a measurement instruction, and dragging a ruler tool to the graphic position of the graphic to be measured, wherein the steps comprise:
detecting that a user enters a graphical editing interface of an online education platform, and acquiring a measurement instruction;
and dragging the ruler tool to the position of the line segment according to the measurement instruction.
4. The method for measuring a length in online education according to claim 1, wherein the measuring a length corresponding to the figure to be measured and displaying the measurement result includes:
and when the ruler tool and the measuring element of the graph to be measured meet the preset position relation, measuring the measuring element and displaying the measuring result.
5. The length measuring method in online education as claimed in claim 4, wherein the measuring element is measured and the measurement result is displayed when it is detected that the ruler tool and the measurement element of the figure to be measured satisfy a preset positional relationship, comprising:
when the ruler tool and the measuring element of the graph to be measured meet a preset position relation, acquiring a first coordinate corresponding to a starting point and a second coordinate corresponding to an end point of the measuring element;
and calculating the length of the measuring element according to the first coordinate and the second coordinate, and displaying the length as a measuring result.
6. The method for measuring the length in online education according to claim 4, wherein the measuring the length corresponding to the figure to be measured and displaying the measurement result comprises:
and adding a ruler mark at a position which is a preset distance away from the measuring element of the graph to be measured, and marking the measuring result at the position of the ruler mark.
7. The method for measuring length in online education as claimed in claim 1, wherein the detecting that the user enters a graphic editing interface of the online education platform, obtaining the measuring instruction, and dragging the ruler tool to the graphic position of the graphic to be measured comprises:
detecting that a user enters a graphical editing interface of an online education platform, acquiring a measurement instruction, and dragging a ruler tool;
highlighting the measuring elements with measurable length on the graphical editing interface;
and dragging the ruler tool to the graphic position corresponding to the measuring element with the measurable length.
8. A length measuring device in online education, which is applied to an online education platform, the device comprising:
the ruler tool adding module is used for adding ruler tools in the online education platform in advance and displaying the ruler tools on the graphical editing interface;
the ruler tool dragging module is used for detecting that a user enters a graphic editing interface of the online education platform, acquiring a measurement instruction and dragging a ruler tool to a graphic position of a to-be-measured graphic;
and the length measuring and displaying module is used for measuring the length corresponding to the graph to be measured and displaying the measuring result.
9. A length measuring device in online education, characterized in that the device comprises at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of length measurement in online education of any one of claims 1-7.
10. A non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the method of length measurement in online education of any one of claims 1-7.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115774513B (en) * | 2022-11-22 | 2023-07-07 | 北京元跃科技有限公司 | System, method, electronic device and medium for determining drawing direction based on ruler |
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