CN119469090A - A rapid mapping method and system for interior design - Google Patents
A rapid mapping method and system for interior design Download PDFInfo
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Abstract
本发明适用于室内设计技术领域，尤其涉及一种用于室内设计的快速测绘方法及系统，所述方法包括：配置检测设备，构建检测设备局域网；向信号发射端发射检测指令，信号发射端向各个方向发射定向信号，记录发射信息；构建二维坐标系，对信号发射端的位置进行标记，计算信号接收端的位置，得到检测点，重复此过程，得到检测点阵；对检测点阵中的检测点进行分析，识别检测点所构成的墙体，根据墙体所在的位置，生成测绘平面图。本发明根据多组信号发射端测定的检测点的方位综合确定检测点的具体位置，从而在坐标系中进行标记，据此确定室内墙壁上测定点的位置，以得到测绘平面图，通过无线测距的方式，提升了测绘效率，保证了测量的准确性。
The present invention is applicable to the field of interior design technology, and in particular, relates to a rapid mapping method and system for interior design, the method comprising: configuring detection equipment, building a local area network of detection equipment; transmitting detection instructions to a signal transmitting end, the signal transmitting end transmitting directional signals in all directions, and recording transmission information; constructing a two-dimensional coordinate system, marking the position of the signal transmitting end, calculating the position of the signal receiving end, obtaining detection points, repeating this process, and obtaining a detection dot matrix; analyzing the detection points in the detection dot matrix, identifying the wall formed by the detection points, and generating a mapping plan according to the position of the wall. The present invention comprehensively determines the specific position of the detection point based on the orientation of the detection point measured by multiple groups of signal transmitting ends, thereby marking in the coordinate system, and determining the position of the measurement point on the indoor wall accordingly to obtain a mapping plan, and improves the mapping efficiency and ensures the accuracy of the measurement through wireless ranging.
Description
Technical Field
The invention belongs to the technical field of indoor designs, and particularly relates to a rapid drawing method and system for indoor designs.
Background
The indoor design mapping is a key link in the indoor design flow, and relates to accurate measurement and recording of the existing space, including specific dimensions of building elements such as walls, door and window positions, structural columns, beams and the like, and positions of facilities such as electric facilities, water heating facilities and the like. Through detailed on-site investigation and data collection, a designer can create accurate spatial plan, elevation and section views, providing a solid foundation for subsequent design work. Accurate mapping helps ensure feasibility of the design, avoids errors in the construction process, and optimizes the spatial layout to meet functional and aesthetic requirements, thereby achieving perfect integration of design intent with real space.
In the current indoor design process, manual measurement is generally adopted, modeling is carried out according to a drawing obtained through measurement, so that a corresponding plan is obtained, the manual measurement operation process is complex, errors are easy to occur, and the mapping efficiency and accuracy are affected.
Disclosure of Invention
The invention aims to provide a rapid plotting method for indoor design, which aims to solve the problems that the measuring operation process is complicated by manual work, errors are easy to occur, and plotting efficiency and accuracy are affected.
The invention is realized in such a way that a rapid drawing method for indoor design comprises the following steps:
configuring detection equipment, and constructing a detection equipment local area network, wherein the detection equipment local area network comprises a plurality of detection equipment, the detection equipment comprises a signal transmitting end and a signal receiving end, and the number of the signal transmitting ends is at least two;
Transmitting detection instructions to the signal transmitting end through the signal receiving end, transmitting directional signals to all directions by the signal transmitting end until the signal receiving end detects signals of all the signal transmitting ends at the same time, and recording transmitting information;
Constructing a two-dimensional coordinate system, marking the position of a signal transmitting end, calculating the position of a signal receiving end according to transmitting information to obtain a detection point, and repeating the process to obtain a detection lattice;
analyzing the detection points in the detection dot matrix, identifying the wall body formed by the detection points, and generating a drawing plan according to the position of the wall body.
Preferably, the step of transmitting a detection instruction to the signal transmitting terminal through the signal receiving terminal, transmitting a directional signal to each direction by the signal transmitting terminal until the signal receiving terminal detects signals of all the signal transmitting terminals simultaneously, and recording transmission information specifically includes:
transmitting a detection instruction to the periphery through a signal receiving end, and receiving a signal through a signal transmitting end to obtain the detection instruction;
Transmitting a detection signal to a preset direction through a signal transmitting end, and if feedback information of a signal receiving end is not received, deflecting according to the preset direction, and transmitting the detection signal again;
When the signal transmitting end receives feedback information of the signal receiving end, the current signal transmitting direction is recorded, and transmitting information is obtained.
Preferably, the constructing a two-dimensional coordinate system marks the position of the signal transmitting end, calculates the position of the signal receiving end according to the transmitting information to obtain a detection point, and repeats the process to obtain a detection lattice, which specifically includes:
constructing a two-dimensional coordinate system, randomly selecting an initial position as the position of a signal transmitting end, and fixing the distance between two groups of signal transmitting ends to obtain the coordinates of the signal transmitting end;
extracting the signal transmitting direction in the transmitting information, constructing a detecting ray, and generating a detecting point in a two-dimensional coordinate system;
and moving the position of the signal receiving end, transmitting the detection instruction again, repeating the process until mapping is finished, obtaining a plurality of detection points in a two-dimensional coordinate system, and forming a detection lattice together by all the detection points.
Preferably, the step of analyzing the detection points in the detection lattice, identifying the wall body formed by the detection points, and generating the drawing plan according to the position of the wall body specifically includes:
recording the generation sequence of each detection point in the detection dot matrix, and connecting the detection points according to the sequence to obtain a detection pattern;
Identifying a rectangular area in the detection pattern, dividing the rectangular area into inner walls, and dividing the line segments at the edge into outer walls;
Marking different walls by different characteristics to generate a drawing plan.
Preferably, when the mapping area is larger than a preset value, and the distance between the signal receiving end and the signal transmitting end reaches the preset value, the position of the signal transmitting end is moved, the measured detection point is measured, the latest position of the signal transmitting end is obtained through back-pushing, and then the measurement is continued.
Another object of the present invention is to provide a rapid drawing system for indoor design, the system comprising:
The equipment configuration module is used for configuring detection equipment and constructing a detection equipment local area network, wherein the detection equipment local area network comprises a plurality of detection equipment, the detection equipment comprises a signal transmitting end and a signal receiving end, and the number of the signal transmitting ends is at least two;
the signal receiving and transmitting module is used for transmitting detection instructions to the signal transmitting end through the signal receiving end, the signal transmitting end transmits directional signals to all directions until the signal receiving end detects signals of all the signal transmitting ends at the same time, and transmitting information is recorded;
the detection lattice construction module is used for constructing a two-dimensional coordinate system, marking the position of the signal transmitting end, calculating the position of the signal receiving end according to the transmitting information to obtain a detection point, and repeating the process to obtain a detection lattice;
the survey drawing generating module is used for analyzing the detection points in the detection dot matrix, identifying the wall body formed by the detection points and generating a survey drawing plane graph according to the position of the wall body.
Preferably, the signal transceiver module includes:
the detection instruction sending unit is used for sending detection instructions to the periphery through the signal receiving end, and receiving signals through the signal transmitting end to obtain the detection instructions;
The detection control unit is used for transmitting detection signals to a preset direction through the signal transmitting end, and if feedback information of the signal receiving end is not received, the detection signals are deflected according to the preset direction and are transmitted again;
and the transmitting information recording unit is used for recording the current signal transmitting direction when the signal transmitting end receives the feedback information of the signal receiving end, so as to obtain transmitting information.
Preferably, the detection lattice construction module includes:
the transmitting end positioning unit is used for constructing a two-dimensional coordinate system, randomly selecting an initial position as the position of the signal transmitting end, and fixing the distance between two groups of signal transmitting ends to obtain the coordinates of the signal transmitting end;
the detection point generating unit is used for extracting the signal transmitting direction in the transmitting information, constructing detection rays and generating detection points in a two-dimensional coordinate system;
And the repeated measurement unit is used for moving the position of the signal receiving end, transmitting the detection instruction again, repeating the process until the mapping is finished, obtaining a plurality of detection points in a two-dimensional coordinate system, and forming a detection lattice together by all the detection points.
Preferably, the map generation module includes:
The detection pattern generation unit is used for recording the generation sequence of each detection point in the detection lattice, and connecting the detection points according to the sequence to obtain a detection pattern;
The wall body identification unit is used for identifying a rectangular area in the detection pattern, dividing the rectangular area into inner walls and dividing the line segments at the edge into outer walls;
and the wall marking unit is used for marking different walls by different characteristics to generate a drawing plan.
Preferably, when the mapping area is larger than a preset value, and the distance between the signal receiving end and the signal transmitting end reaches the preset value, the position of the signal transmitting end is moved, the measured detection point is measured, the latest position of the signal transmitting end is obtained through back-pushing, and then the measurement is continued.
The rapid drawing method for indoor design provided by the invention has the advantages that the positions of the detection points are determined by setting the signals transmitted by the signal transmitting ends, the specific positions of the detection points are comprehensively determined according to the positions of the detection points measured by the plurality of groups of signal transmitting ends, so that the marking is carried out in a coordinate system, the positions of the detection points on the indoor wall are determined according to the specific positions, a drawing plane diagram is obtained, the drawing efficiency is improved in a wireless ranging mode, and the measuring accuracy is ensured.
Drawings
Fig. 1 is a flowchart of a rapid drawing method for indoor design according to an embodiment of the present invention;
Fig. 2 is a flowchart of steps for transmitting a detection instruction to a signal transmitting end through a signal receiving end, transmitting a directional signal to each direction by the signal transmitting end until the signal receiving end detects signals of all signal transmitting ends at the same time, and recording transmitting information;
FIG. 3 is a flowchart showing steps for constructing a two-dimensional coordinate system, marking a position of a signal transmitting end, calculating a position of a signal receiving end according to transmitting information to obtain a detection point, and repeating the process to obtain a detection lattice;
FIG. 4 is a flowchart illustrating steps for analyzing detection points in a detection lattice, identifying a wall body formed by the detection points, and generating a drawing plan according to the position of the wall body;
FIG. 5 is a block diagram of a rapid drawing system for indoor design according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of a signal transceiver module according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a detection lattice construction module according to an embodiment of the present invention;
FIG. 8 is a block diagram of a map generation module according to an embodiment of the present invention;
Fig. 9 is a schematic diagram of a rapid drawing method for indoor design according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a flowchart of a rapid drawing method for indoor design according to an embodiment of the present invention is provided, where the method includes:
S100, configuring detection equipment to construct a detection equipment local area network, wherein the detection equipment local area network comprises a plurality of detection equipment, the detection equipment comprises a signal transmitting end and a signal receiving end, and the number of the signal transmitting ends is at least two.
In this step, the detection device is configured, the detection device may be a signal transmitting end and a signal receiving end, the signal transmitting end is used for transmitting a detection signal, specifically, may be a UWB transmitting end, may also be an ultrasonic transmitting end or other radio wave transmitting ends, the signal transmitting end may transmit a single beam of detection signal along any direction in a horizontal plane, a coverage angle of the detection signal may be 1 degree or less, the signal receiving end is used for receiving the detection signal, the signal transmitting end and the signal receiving end are further connected through wireless communication or wired communication, data transmission may be performed between the signal transmitting end and the signal receiving end, after connection is completed, a detection device local area network is obtained, the signal transmitting end may be fixed on the same support, so that a distance between the two groups of signal transmitting ends is fixed, and a starting position of the signal transmitting end is set at an edge of the detection area.
S200, transmitting detection instructions to the signal transmitting end through the signal receiving end, transmitting directional signals to all directions by the signal transmitting end until the signal receiving end detects signals of all the signal transmitting ends at the same time, and recording transmitting information.
In this step, a detection instruction is transmitted to the signal transmitting end through the signal receiving end, when the detection is performed, the signal transmitting end and the signal receiving end are kept in the same horizontal plane, the detected positions are all positions where the wall body side line is located, then the detected positions are all angular points in the measured drawing plane graph, such as the external angle or the internal angle of the wall body, the detection time is recorded in the detection instruction, when the signal transmitting end receives the detection instruction, the detection signal is transmitted in a directional mode, the signal transmitting ends work synchronously, but the working frequency of the signal transmitting ends is different, the signal receiving end can determine the source of the signal according to the frequency of the received signal, the signal transmitting end starts to transmit the detection signal from one preset position, after the transmission is completed, the signal transmitting end rotates by a preset angle in a preset direction, such as 1 degree in a anticlockwise direction, the detection signal is transmitted again, the process is repeated until the signal receiving end detects the signal of the current signal transmitting end, the signal transmitting angle and the signal transmitting time of the current signal transmitting end are recorded, and the signal transmitting time are recorded until all the signal transmitting ends are detected by the signal receiving end, and the information is obtained.
S300, constructing a two-dimensional coordinate system, marking the position of the signal transmitting end, calculating the position of the signal receiving end according to the transmitting information to obtain a detection point, and repeating the process to obtain a detection lattice.
In the step, a two-dimensional coordinate system is constructed, a corresponding number of positions are randomly selected from the two-dimensional coordinate system according to the distance between the signal transmitting ends to serve as the positions of the signal transmitting ends, the coordinates of the positions are recorded, corresponding detection rays are constructed in the two-dimensional coordinate system according to the signal transmitting directions recorded in transmitting information, the starting points of the detection rays are the positions of the signal transmitting ends, then the intersection points of a plurality of groups of detection rays are the positions of detection points, all the side lines in the detected area are detected, and therefore a plurality of detection points are obtained to construct and obtain a detection lattice.
S400, analyzing detection points in the detection dot matrix, identifying a wall body formed by the detection points, and generating a drawing plan according to the position of the wall body.
In this step, the detection points in the detection lattice are analyzed, specifically, the detection points can be connected according to the generation sequence of the detection points, so that all the detection points are connected, the position of the wall body is determined according to the shape obtained by enclosing the detection points, a drawing plan is generated according to the position of the wall body, and the drawing plan is distinguished by adopting different characteristics according to the thickness of the wall body.
As shown in fig. 2, as a preferred embodiment of the present invention, the step of transmitting a detection command to a signal transmitting terminal through a signal receiving terminal, and transmitting a directional signal to each direction by the signal transmitting terminal until the signal receiving terminal detects signals of all signal transmitting terminals simultaneously, and recording transmission information specifically includes:
S201, transmitting detection instructions to the periphery through a signal receiving end, and receiving signals through a signal transmitting end to obtain the detection instructions.
In the step, the detection instruction is transmitted to the signal transmitting end through the signal receiving end to the periphery, the detection instruction is transmitted to the signal transmitting end through wireless communication or wired communication, and when the signal transmitting end receives the detection instruction, the position of the signal receiving end is fixed, so that the detection can be started.
S202, transmitting a detection signal to a preset direction through a signal transmitting end, and if feedback information of a signal receiving end is not received, deflecting according to the preset direction, and transmitting the detection signal again.
In this step, the signal transmitting end transmits the detection signal to the preset direction, the preset direction may be the north-positive direction, and when the signal transmitting end is set, the starting direction of the signal transmitting end is set to be the north-positive direction, so that all the signal transmitting ends start transmitting the detection signal from the north-positive direction, the coverage range of the detection signal is limited in a very narrow range, such as an angle range of 1 degree or less, so that the signal receiving end can only receive the corresponding detection signal when the signal transmitting end and the signal receiving end are aligned, if feedback information sent by the signal receiving end is not received within a preset time period, the signal receiving end can not receive the detection signal, at this time, the signal receiving end can deflect clockwise or anticlockwise, specifically, the deflection angle is set as a preset value according to the requirement, and then the detection signal is transmitted again, so as to repeat the process.
S203, when the signal transmitting end receives feedback information of the signal receiving end, recording the current signal transmitting direction to obtain transmitting information.
In this step, when the signal transmitting end receives the feedback information of the signal receiving end, the direction of the current signal transmitting and the signal transmitting time are recorded, once the signal transmitting end receives the feedback information, the signal transmitting end indicates that the detection signal of the current signal transmitting end is pointing to the signal receiving end, and at this time, the transmitting direction of the current detection signal (i.e. the directional signal) is recorded, if two signal transmitting ends exist, two groups of transmitting information will exist.
As shown in fig. 3, as a preferred embodiment of the present invention, the steps of constructing a two-dimensional coordinate system, marking the position of the signal transmitting end, calculating the position of the signal receiving end according to the transmitting information to obtain a detection point, and repeating the process to obtain a detection lattice specifically include:
S301, constructing a two-dimensional coordinate system, randomly selecting an initial position as the position of a signal transmitting end, and fixing the distance between two groups of signal transmitting ends to obtain the coordinates of the signal transmitting end.
In this step, a two-dimensional coordinate system is constructed, as shown in fig. 9, where one position is selected at random as the position of one signal transmitting end, for example, the distance between two signal transmitting ends is 50cm, the signal transmitting start direction of the signal transmitting end is set to be the north-positive direction, and the two groups of signal transmitting ends are also set along the north-south direction, so that the position of the other signal transmitting end is determined and the coordinates thereof are recorded.
S302, extracting the signal transmitting direction in the transmitting information, constructing a detecting ray, and generating a detecting point in a two-dimensional coordinate system.
In the step, the direction of signal emission in the emission information is extracted, each group of signal emission ends corresponds to a group of detection rays, the emission starting point of the detection rays is the position of the signal emission end, the emission angle of the detection camera is the direction of signal emission, and the intersection point of the detection rays is the position of the detection point.
S303, moving the position of the signal receiving end, transmitting the detection instruction again, repeating the process until the mapping is finished, obtaining a plurality of detection points in a two-dimensional coordinate system, and forming a detection lattice together by all the detection points.
In the step, the position of the signal receiving end is moved, the signal receiving end is always positioned in the horizontal plane where the signal transmitting end is positioned, the detection point where the signal receiving end is positioned on the side line of the wall body, once the signal receiving end moves to a new detection position, the detection is carried out, a detection point is obtained in a two-dimensional coordinate system until the detection is finished, and all the detection points jointly form a detection lattice.
As shown in fig. 4, as a preferred embodiment of the present invention, the steps of analyzing the detection points in the detection lattice, identifying the wall body formed by the detection points, and generating the drawing plan according to the position of the wall body specifically include:
S401, recording the generation sequence of each detection point in the detection lattice, and connecting the detection points according to the sequence to obtain a detection pattern.
S402, recognizing a rectangular area in the detection pattern, dividing the rectangular area into inner walls, and dividing the line segments at the edge into outer walls.
In this step, the generating sequence of each detection point in the detection lattice is recorded, the detection points are connected according to the generating sequence, so that all the detection points are connected, the first detection point is connected with the last detection point to obtain a detection pattern, the detection pattern is identified, whether the wall body is contained in the detection pattern is determined, for example, whether the wall body is determined according to the width and the length of the pattern, the outermost line of the detection pattern is an external wall body, namely, the boundary of the detection area, and the internal wall body is an area surrounded by a plurality of detection points.
S403, marking different walls with different characteristics to generate a drawing plan.
In this step, different walls are marked with different features, for example, the walls are distinguished by pattern filling or color filling, so as to obtain a drawing plan, and a user can locally modify the drawing plan according to an actual plan.
In this embodiment, when the mapping area is greater than the preset value, the position of the signal transmitting end is moved when the distance between the signal receiving end and the signal transmitting end reaches the preset value, and the measured detection points are repeatedly measured, as shown in fig. 9, if the point a, the point E and the point B are the measured detection points, after the signal transmitting end is moved, the point a is measured again, then the new positions of the point a and the signal transmitting end (if the signal transmitting end is defined as the point C and the point D) form a triangle, the distances between the points AC and the distance between the points AD can be calculated, similarly, the distances BC, BD, EC and ED can be calculated, three circles can be constructed in the plane coordinate system according to the three sets of distance values AC, EC and BC, the circle centers are A, E and B, the radii are AC, EC and BC respectively, the intersection point of the three circles is the position of the point C, and the position of the point D can be determined in the same way, so as to realize the position update of the signal transmitting end.
As shown in fig. 5, a rapid drawing system for indoor design according to an embodiment of the present invention includes:
The device configuration module 100 is configured to configure detection devices, and construct a detection device local area network, where the detection device local area network includes a plurality of detection devices, the detection devices are a signal transmitting end and a signal receiving end, and the number of the signal transmitting ends is at least two.
In the system, the device configuration module 100 configures a detection device, where the detection device may be a signal transmitting end and a signal receiving end, the signal transmitting end is configured to transmit a detection signal, specifically, may be a UWB transmitting end, or may also be an ultrasonic transmitting end or other radio wave transmitting end, the signal transmitting end may transmit a single beam of detection signal along any direction in a horizontal plane, a coverage angle of the detection signal may be 1 degree or less, the signal receiving end is configured to receive the detection signal, and the signal transmitting end and the signal receiving end are further connected by wireless communication or wired communication, and may perform data transmission therebetween, so that after connection is completed, a detection device local area network is obtained, and the signal transmitting end may be fixed on the same support, so that a distance between the two sets of signal transmitting ends is fixed, and a starting position of the signal transmitting end is set at an edge of the detection area.
The signal transceiver module 200 is configured to transmit a detection instruction to the signal transmitting terminal through the signal receiving terminal, and the signal transmitting terminal transmits a directional signal to each direction until the signal receiving terminal detects signals of all the signal transmitting terminals at the same time, and record transmission information.
In the system, the signal transceiver module 200 transmits a detection instruction to the signal transmitting end through the signal receiving end, when the detection is performed, the signal transmitting end and the signal receiving end are kept in the same horizontal plane, the detected positions are all positions where the wall body side line is located, then the detected positions are all angular points in the drawing plane diagram, such as external angles or internal angles of the wall body, detection time is recorded in the detection instruction, when the signal transmitting end receives the detection instruction, the detection signal starts to be transmitted, the detection signal is transmitted in a directional mode, the signal transmitting ends are synchronously operated, but the working frequencies of the signal transmitting ends are different, the signal receiving end can determine the source of the signal according to the frequency of the received signal, the signal transmitting end starts to transmit the detection signal from one preset position, after the transmission is completed, the signal transmitting end rotates by a preset angle in a preset direction, such as rotating by 1 degree in a counterclockwise direction, the detection signal is transmitted again until the signal receiving end detects the signal of the current signal transmitting end, the signal transmitting angle and the signal transmitting time of the current signal transmitting end are recorded until all the signal receiving ends detect the signal transmitting ends, and the signal transmitting information of the signal transmitting end is obtained.
The detection lattice construction module 300 is configured to construct a two-dimensional coordinate system, mark the position of the signal transmitting end, calculate the position of the signal receiving end according to the transmitting information, obtain a detection point, and repeat the process to obtain a detection lattice.
In the system, the detection lattice construction module 300 constructs a two-dimensional coordinate system, randomly selects a corresponding number of positions from the two-dimensional coordinate system according to the distance between the signal transmitting ends as the positions of the signal transmitting ends, records the coordinates thereof, constructs corresponding detection rays in the two-dimensional coordinate system according to the signal transmitting directions recorded in the transmitting information, and the starting points of the detection rays are the positions of the signal transmitting ends, so that the intersection points of a plurality of groups of detection rays are the positions of detection points, and detects all edges in the detected area to obtain a plurality of detection points to construct and obtain a detection lattice.
The map generating module 400 is configured to analyze the detection points in the detection lattice, identify the wall body formed by the detection points, and generate a map according to the position of the wall body.
In the system, the map generating module 400 analyzes the detection points in the detection lattice, specifically, can connect the detection points according to the generation sequence of the detection points, so as to connect all the detection points, determine the position of the wall body according to the shape obtained by enclosing the detection points, generate a map according to the position of the wall body, and distinguish the map according to the thickness of the wall body by adopting different characteristics.
As shown in fig. 6, as a preferred embodiment of the present invention, the signal transceiver module 200 includes:
The detection instruction sending unit 201 is configured to send a detection instruction to the periphery through the signal receiving end, and receive a signal through the signal sending end, so as to obtain the detection instruction.
In this module, the detection instruction sending unit 201 sends a detection instruction to the periphery through the signal receiving end, the detection instruction is transmitted to the signal sending end through wireless communication or wired communication, and when the signal sending end receives the detection instruction, it is indicated that the position of the signal receiving end is already fixed, and detection can be started.
The detection control unit 202 is configured to transmit a detection signal to a preset direction through the signal transmitting end, and deflect according to the preset direction if feedback information of the signal receiving end is not received, and transmit the detection signal again.
In this module, the detection control unit 202 transmits the detection signal to the preset direction through the signal transmitting end, the preset direction may be the north direction, when the signal transmitting end is set, the starting direction of the signal transmitting end is set to be the north direction, so that all the signal transmitting ends start transmitting the detection signal from the north direction, the coverage range of the detection signal is limited in a very narrow range, such as an angle range of 1 degree or less, so that the signal receiving end can only receive the corresponding detection signal when the signal transmitting end and the signal receiving end are opposite, if feedback information sent from the signal receiving end is not received within the preset time, the signal receiving end can not receive the detection signal, at this time, the signal receiving end can deflect clockwise or anticlockwise, specifically, the deflection angle is preset according to the requirement, and then the detection signal is transmitted again, so as to repeat the process.
And the transmitting information recording unit 203 is configured to record the current transmitting direction of the signal when the signal transmitting end receives the feedback information from the signal receiving end, so as to obtain transmitting information.
In this module, when the signal transmitting end receives feedback information from the signal receiving end, the transmitting information recording unit 203 records the current signal transmitting direction and signal transmitting time, and once the signal transmitting end receives the feedback information, it indicates that the detection signal of the current signal transmitting end is pointing to the signal receiving end, and at this time, records the transmitting direction of the current detection signal (i.e. the directional signal), if two signal transmitting ends exist, two sets of transmitting information will exist.
As shown in fig. 7, as a preferred embodiment of the present invention, the detection lattice construction module 300 includes:
The transmitting end positioning unit 301 is configured to construct a two-dimensional coordinate system, randomly select an initial position as a position of the signal transmitting end, fix a distance between two groups of signal transmitting ends, and obtain coordinates of the signal transmitting end.
In this module, the transmitting end positioning unit 301 constructs a two-dimensional coordinate system, as shown in fig. 9, and first randomly selects a position as a position of one signal transmitting end, for example, a distance between two signal transmitting ends is 50cm, a signal transmitting start direction of the signal transmitting end is set to be a north direction, two groups of signal transmitting ends are also set along a north-south direction, and accordingly, a position of the other signal transmitting end is determined and a coordinate thereof is recorded.
The detection point generating unit 302 is configured to extract a direction of signal transmission in the transmission information, construct a detection ray, and generate a detection point in a two-dimensional coordinate system.
In this module, the detection point generating unit 302 extracts the direction of signal emission in the emission information, each group of signal emission ends corresponds to a group of detection rays, the emission start point of the detection rays is the position where the signal emission ends are located, the emission angle of the detection camera is the direction of signal emission, and the intersection point of the detection rays is the position where the detection points are located.
And the repeated measurement unit 303 is configured to move the position of the signal receiving end, re-transmit the detection command, repeat the process until the mapping is completed, obtain a plurality of detection points in the two-dimensional coordinate system, and form a detection lattice together by all the detection points.
In this module, the repeated measurement unit 303 moves the position of the signal receiving end, the signal receiving end is always located in the horizontal plane where the signal transmitting end is located, and the detection point where the signal receiving end is located on the edge of the wall, once the signal receiving end moves to a new detection position, a detection point is obtained in the two-dimensional coordinate system, until the detection is finished, and all the detection points together form a detection lattice.
As shown in fig. 8, as a preferred embodiment of the present invention, the map generation module 400 includes:
the detection pattern generation unit 401 is configured to record a generation sequence of each detection point in the detection lattice, and connect the detection points according to the sequence, so as to obtain a detection pattern.
The wall identification unit 402 is configured to identify a rectangular area in the detection pattern, divide the rectangular area into inner walls, and divide an edge-most line segment into outer walls.
In the module, the generation sequence of each detection point in the detection lattice is recorded, the detection points are connected according to the generation sequence, so that all the detection points are connected, the first detection point is connected with the last detection point to obtain a detection pattern, the detection pattern is identified, whether the wall body is contained in the detection pattern is judged according to the width and the length of the pattern, the outermost line of the detection pattern is an external wall body, namely the boundary of a detection area, and the internal wall body is an area surrounded by a plurality of detection points.
The wall marking unit 403 is configured to mark different walls with different features, and generate a drawing plan.
In this module, the wall marking unit 403 marks different walls with different features, for example, the walls are differentiated by pattern filling or color filling, so as to obtain a measured drawing plan, and a user can locally modify the measured drawing plan according to an actual plan.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
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