KR101934014B1 - Manufacture method of three dimensions solid model based on two dimensions map - Google Patents
Manufacture method of three dimensions solid model based on two dimensions map Download PDFInfo
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- KR101934014B1 KR101934014B1 KR1020160031303A KR20160031303A KR101934014B1 KR 101934014 B1 KR101934014 B1 KR 101934014B1 KR 1020160031303 A KR1020160031303 A KR 1020160031303A KR 20160031303 A KR20160031303 A KR 20160031303A KR 101934014 B1 KR101934014 B1 KR 101934014B1
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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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/06—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes for surveying; for geography, e.g. relief models
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
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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
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
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Abstract
The present invention relates to a method of generating a three-dimensional model by a three-dimensional printer based on the contour line data generated by identifying each contour line displayed on a map showing the shape of a three-dimensional stereoscopic image in two dimensions by a camera.
A two-dimensional map-based three-dimensional model manufacturing method according to the present invention is a method for manufacturing a two-dimensional map based on a reference point designating one point of a lowest contour line having a minimum height among a plurality of contour lines, An identification step of sequentially identifying each of a plurality of contour lines included in a minimum contour line, which is a closed curve, with a camera and generating contour data; a modeling step of inputting contour data to a known three-dimensional printer device to form a three- And a control unit.
Description
The present invention relates to a method for producing a three-dimensional solid model based on a two-dimensional map, and more particularly, to a method for producing a three-dimensional solid model based on a two-dimensional map, And a method of manufacturing a three-dimensional model with a three-dimensional printer based thereon.
Generally, a three-dimensional printer is a device that implements a solid three-dimensional shape based on a three-dimensional drawing made by a computer design program.
Recently, a technique related to a three-dimensional printer has reached the level of instantly implementing the same type of radiator as a target object by generating three-dimensional data by scanning a target object to be manufactured from various angles.
However, the above technique is a technique of implementing a three-dimensional shape as a three-dimensional stereoscopic model, and a technology for realizing a two-dimensional object such as a photograph or a picture as a three-dimensional stereoscopic model is still insufficient.
Especially, it is necessary to develop and develop a technology that utilizes a three-dimensional printer in the field of manufacturing a three-dimensional model related to a feature using a map, which is one of fields where a two-dimensional object such as a photograph or a picture is implemented as a three- to be.
As an invention relating to a method of implementing a two-dimensional map in a three-dimensional solid model for solving such a problem, Japanese Patent Application Laid-Open No. 2006-048064, entitled " Method for Producing Highly Accurate 3D Map ", Korean Patent Registration No. 10-0609786, A method of modeling 3D buildings using a figure of meridian map "and a method of" converting and molding a 3D model using 2D images "of Korean Patent Laid-Open Publication No. 10-2015-0144075 have been proposed and disclosed.
Japanese Patent Laid-Open Publication No. 2006-048064 discloses a method for producing a high-precision three-dimensional map, which includes a step of forming a plurality of film-like members on the basis of three-dimensional data generated by converting two-dimensional data composed of a plurality of contour lines representing three- Dimensional building model by using a three-dimensional drawing information is disclosed in Korean Patent Registration No. 10-0609786, entitled " Method for Modeling 3D Buildings Using a Drawing Map, " An invention relating to a method of extracting only building information from information and modeling it in three dimensions has been proposed.
In addition, in Korean Patent Application Publication No. 10-2015-0144075 entitled " Method of transforming and molding a 3D sculpture using a 2D image ", 3D image data of the object is obtained from a 2D image displayed on a plane medium such as a photograph, A method of three-dimensionally printing by a 3D printer has been proposed.
However, among the above-described conventional techniques, a 3D map including a digital map including geospatial information or a two-dimensional image of a three-dimensional shape in perspective is used as an object for realizing a three-dimensional solid model. There are drawbacks that are difficult to apply to general maps.
In addition, among the above-mentioned inventions, the invention of recognizing all of the marked lines and collectively recognizing them can be applied to a case in which only a contour line is represented on a map, but it is difficult to apply to a map in which various elements other than contour lines are expressed .
In addition, the manufactured three-dimensional stereoscopic model is used for a limited use such as a display and the like, and thus has a problem in that the usability is inferior to the time and cost required for manufacturing.
Therefore, it is possible to manufacture a three-dimensional model in which the actual shape of the mountain is specifically expressed by only the contour lines shown on the map, and it is not necessary to use a stereoscopic model of the manufactured mountain only for limited use such as exhibition use, .
A three-dimensional three-dimensional model manufacturing method based on two-dimensional maps according to the present invention is proposed to solve the problems of the related art as described above,
Most of the processes for realizing the shape of the mountain represented by contour lines on the two dimensional map as a three dimensional model are performed by hand, so that a lot of time and efforts are required for the worker;
Since the shape of the mountain realized by the three-dimensional solid model is mainly used for a limited purpose such as exhibition use, it is necessary to search for various utilization methods, and therefore, it is intended to provide a solution to this.
In order to realize the above-mentioned object, according to the present invention, a two-dimensional map-based three-
A reference point designation step of designating one point of a lowest contour line having a lowest height among a plurality of contour lines represented on a map and expressing an object to which a three-dimensional solid model is to be manufactured; An identifying step of sequentially identifying each of a plurality of contour lines included in the lowest contour line, which is a closed curve, with a camera to generate contour line data; A modeling step of inputting the contour data to a known three-dimensional printer device to form a three-dimensional solid model; Dimensional solid model based on a two-dimensional map.
According to the present invention, there is provided a two-dimensional map-based three-
By implementing an automatic method of identifying the respective contour lines displayed on the map showing the shape of the three-dimensional stereoscopic image of the mountain in two dimensions, the operation time for generating data used in the three-dimensional printer is shortened;
By attaching an identification code that can provide climbing information such as a tracking view to a mobile device equipped with an application in a stereoscopic model of the manufactured mountain, it is possible to provide an unspecified number of users with climbing information such as difficulty of a climbing course and current weather condition Effect.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flowchart of a two-dimensional map-based three-dimensional solid model manufacturing method according to the present invention.
2 is a flowchart of an application system of a three-dimensional model according to the present invention.
FIG. 3 is a three-dimensional solid model produced by a two-dimensional map-based three-dimensional solid model manufacturing method according to the present invention and an example in which an identification code is attached to the three-dimensional model.
The present invention relates to a method for manufacturing a three-dimensional solid model based on a two-dimensional map,
A reference point designation step of designating one point of a lowest contour line having a lowest height among a plurality of contour lines represented on a map and expressing an object to which a three-dimensional solid model is to be manufactured; An identifying step of sequentially identifying each of a plurality of contour lines included in the lowest contour line, which is a closed curve, with a camera to generate contour line data; A modeling step of inputting the contour data to a known three-dimensional printer device to form a three-dimensional solid model; And a control unit.
In addition, the present invention provides a data processing system comprising: a main server managed by a service provider and storing climbing data; An application provided by the service provider and installed in a user's mobile device; An identification code recognizable by the mobile device; And a control unit.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a two-dimensional map-based three-dimensional solid model manufacturing method according to the present invention will be described in detail with reference to the accompanying drawings.
First, as shown in FIG. 1, a two-dimensional map-based three-dimensional modeling method according to the present invention is a three-dimensional modeling method using a three-dimensional map based on a two-dimensional map of a shape of a three- And a reference point setting step of specifying one point of a lowest contour line having a lowest height among a plurality of contour lines representing a target to be produced of a three-dimensional solid model, which is indicated on the map, .
The operator who intends to implement the two-dimensional map-based three-dimensional solid model manufacturing method according to the present invention prior to the setting of the reference point is provided with a map in which a plurality of contour lines representing a mountain to be a target of the three- And a camera capable of moving along contour lines representing the mountains among the components and photographing.
The camera may be composed of various kinds of cameras such as a special device camera including a program programmed to be movable along a contour line, or a camera connected to a control unit for moving along a contour line and shooting.
The program or the control unit is a component for allowing the camera to recognize only contour lines expressing mountains and generate contour line data among various components displayed on a map. The program or the control unit controls the color, line thickness, And generates the contour data for the whole mountain to generate the three-dimensional solid model.
The reference point setting step is performed by an operator who intends to implement a two-dimensional map-based three-dimensional solid model manufacturing method according to the present invention. The operator fixes the map to one point and sets the position of the camera Adjust.
At this time, the map may be fixed at various angles such as a state of being laid on a floor surface or a state of hanging on a wall, but the photographing direction of the camera must be perpendicular to the map.
This is to prevent the camera from distorting the contour lines and contour lines of each of the plurality of contour lines displayed on the map so that distorted contour line data is not generated.
Thereafter, when it is confirmed that the map is clearly displayed on the monitor on which the scene is being photographed by the camera, the operator designates one of the lowest contour lines.
In this case, a method in which an operator designates one of the minimum contour lines may be a method of designating one point in a monitor screen on which a scene during which the camera is being photographed is designated as a touch fan to be interlocked with the program or the control unit, Or a method of directly specifying a point on the map using a touch fan.
When the worker designates one point in the monitor screen as the touch pan, if the interval between the plurality of contour lines displayed on the map is narrow and is not clearly distinguished on the screen of the camera, It is possible to enlarge a portion of the minimum contour line to clearly specify any one of the minimum contour lines.
According to another aspect of the present invention, there is provided a method for producing a two-dimensional map based on a three-dimensional solid model, comprising the steps of sequentially identifying each of a plurality of contour lines included in the lowest contour line, which is a closed curve, And the identifying step is performed after the reference point setting step.
Here, the contour data refers to a shape of each contour line formed inside the lowest contour line with reference to the lowest contour line of a closed curve shape, height information of each contour line, and the like, The scale or the like for the map must be input to the program or the control unit.
Specifically, when the camera recognizes the reference point designated at the reference point setting step, the camera moves the viewpoint along the contour line including the specified reference point and generates contour line data related to the shape of the lowest contour line in the program or the control unit do.
In order to move the viewpoint along the contour, the camera must distinguish the designated contour line from other parts of the map and correctly recognize the contour line. As an embodiment to solve this problem, The thickness of the line, and whether the closed curve is formed or not.
That is, when the operator designates any one of the minimum contour lines, the camera recognizes the color of the designated one point, moves the point along the line having the same color, and continuing with the one point and having the same thickness .
Since the contour line is a closed curve, it is clear that the viewpoint of the camera moving from one point designated by the operator reaches the one point again, and then the camera moves the viewpoint to another contour line.
Since the lowest contour line is a shape of a closed curve, contour lines excluding the lowest contour among a plurality of contour lines representing an object to which a three-dimensional solid model is to be manufactured are all included in the lowest contour line.
Therefore, it is preferable that the viewpoint moving direction of the camera is directed toward the inside of the lowest contour line after contour line data for the lowest contour line is generated.
Then, when the camera moves to the inside of the lowest contour line, the camera recognizes a change in color as a new contour line, moves the viewpoint along the same color and generates contour line data, The program or the control unit deletes the contour data being generated, and the camera moves the viewpoint to the inside of the lowest contour line.
When the camera recognizes the contour line and generates any contour line data out of the range of the minimum contour line or when the arbitrary line does not form the closed curve, And deletes contour line data that is being generated.
In addition, when the color or any color inputted to the program or the control unit is recognized, the camera can determine it as an element other than the contour line and move the viewpoint to another point.
In other words, among various elements displayed on a map, elements such as rivers and lakes are generally colored in a blue color system. The colors of the blue color system are inputted to the program or the control unit or arbitrarily designated by the operator, In the process of generating contour line data by the camera, it is determined that the contour line is an element other than the contour line and can be immediately excluded.
As another embodiment of the present invention, the camera recognizes only a contour expressing a mountain by distinguishing it from other parts of the map. The camera distinguishes among the various elements displayed on the map the predetermined color, line thickness, Can be used.
The predetermined color refers to a gray or black color of the system, which generally represents a contour line. The camera moves to the inside of the lowest contour line. When the color of the gray or black color system is detected, the camera recognizes the contour line as a contour line, As shown in FIG.
At this time, when the line recognized by the camera is changed in line width or the arbitrary line generating the contour data is out of the range of the minimum contour line, or when the arbitrary line does not form the closed curve, the program or the control unit The contour data being generated is deleted, and the camera is moved at the same point as above.
The camera moves the viewpoint gradually toward the inside of the lowest contour line and generates contour line data. When no more contour line is detected inside any contour line in which the contour line data is finally generated , The program or the control section stops the identifying step.
An acid composed of a relatively simple shape can be created by contouring data for all contour lines through the above process, but an acid composed of a complex shape such as one or more peaks located within the lowest contour line can be obtained by a single process, It may be impossible to generate the contour data for the object.
Accordingly, the program or the control unit may perform a verification step of verifying whether contour line data for all contour lines within the lowest contour line have been generated.
The verification step may be a method in which the camera moves along the lowest contour line and detects a contour line closest to the lowest contour line for every predetermined length.
That is, the program or the control unit divides the interval by dividing the length of the lowest contour line by n, and the camera moves to the inside of the lowest contour line at each intersection point of each interval and detects a contour contiguous to each intersection point. It may be a method of checking whether or not there is a detected contour line.
In addition, the verification step may be performed not only on the lowest contour line but also on all the contour lines detected previously.
The two-dimensional map based three-dimensional model manufacturing method according to the present invention is characterized by including a modeling step of inputting the contour line data into a known three-dimensional printer device to form a three-dimensional three-dimensional model.
The type of the three-dimensional printer device used in the modeling step and the three-dimensional three-dimensional model manufacturing method used in the modeling step may be classified into a three-dimensional printer device and a three-dimensional three-dimensional model manufacturing method, which are currently known, Any of the schemes may be used.
In addition, the method of manufacturing a two-dimensional map-based three-dimensional solid model according to the present invention may further include a step of finely processing the three-dimensional solid model after the modeling step.
The contour lines displayed on the map represent the shape and height of the mountain on a plane in accordance with a certain standard commonly used, and the three-dimensional solid model manufactured through the method can express the rough shape of the mountain as a whole, It is a reality that the limit that can not be expressed all follows.
In other words, the actual shape of the mountain is composed of a set of curves formed in various directions, but the three-dimensional model of the mountain produced by using only the contour has the limitation that the shape of the mountain is constituted by the stepped shape.
Accordingly, the prerequisite step is a step necessary to allow the shape of the acid produced by the three-dimensional solid model to specifically express the shape of the actual acid, and the three-dimensional solid model of the acid type is a type of the three- Since the quality can be formed differently according to the three-dimensional model manufacturing method, the time and effort of the operator at the step of manufacturing can be changed.
The two-dimensional map-based three-dimensional solid model manufacturing method according to the present invention may further comprise a painting step of painting the three-dimensional solid model after the modeling step or after the manufacturing step.
The coloring step may include coloring green, gray, black, yellow, and white, which are colors that generally constitute a mountain, in the three-dimensional solid model having the same color as the color of the filament used in the three- It is a step to add realism.
Any known material may be used as the coloring material used in the painting step.
The result as shown in FIG. 3 can be obtained through the above steps.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a stereoscopic model utilizing system according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIG. 2, the utilization system of a three-dimensional model according to the present invention is a system for providing climbing information to an unspecified number of persons by utilizing a three-dimensional solid model. The system is managed by a service provider, A main server to be stored, and an application provided by the service provider and installed in the user's mobile device.
The application is a component installed in a mobile device of a user who intends to use the stereoscopic model application system according to the present invention. The service provider can provide the application free of charge and distribute it on-line, May be provided for a fee or may be earned in such a manner that an advertisement is inserted into a part of the screen while the application is running.
The application transmits an information request signal to the main server about the mountain from which the user wants to obtain information, stores the climbing data provided to the mobile device from the main server, and displays the climbing data on the user's mobile device .
At this time, the user must be connected to the main server to receive the climbing data to the mobile device in which the application is installed, and as a means for connecting the mobile device installed with the application to the main server, And the system includes an identification code recognizable by the mobile device of the user.
The identification code may be composed of a special character code composed of a QR code or one or more graphics, and the user may operate the application to recognize the identification code or the special character code, The identification code or the special character code can be recognized by using the program.
The QR code is a code that can record a maximum of 7,089 characters and a maximum of 4,296 characters. The QR code can contain a long character Internet address, photo and video information, and is not affected by background and background pictures. And the like.
Accordingly, when the user recognizes the QR code in the mobile device in which the application is installed, the mobile device and the main server are connected through the internet address input in the QR code, so that the climbing data is transmitted to the mobile device to be.
Also, when the mobile device recognizes the QR code, the character, picture, and moving picture information recorded in the QR code may be transmitted directly to the mobile device.
Further, the user may recognize the QR code in the mobile device in which the application is installed, and receive the climbing data directly from the QR code.
The special character code is a code composed of graphic figures such as ◈, ▣, ◐, etc., and all the graphics constituting the special character code used in the present invention are inputted into the application.
Accordingly, when the user recognizes the special character code in the mobile device to which the application is installed, the mobile device and the main server are connected and the climbing data about the mountain matching the shape of each figure is transmitted to the mobile device to be.
An embodiment of recognizing the identification code in a mobile device in which the application is installed and receiving the climbing data by accessing the main server is as follows.
First, as shown in FIG. 2, the utilization system may be configured to include a recognition step (100) of recognizing the identification code with the mobile device.
Thereafter, a connection step (110) is performed in which the mobile device is connected to the main server.
Therefore, it is obvious that the mobile device must be able to access the Internet before or during the recognition step.
Thereafter, a transmission and
Thereafter, a display step of displaying the climbing data on the mobile device in which the application is driven proceeds.
Another embodiment for recognizing the identification code with a mobile device in which the application is installed and receiving the climbing data by accessing the main server is as follows.
First, the utilization system may include a recognition step (100) of recognizing the identification code with the mobile device.
Then, the mobile device can receive the climbing data directly from the identification code.
Thereafter, a display step of displaying the climbing data on the mobile device in which the application is driven proceeds.
Hereinafter, the climbing data of the two-dimensional map-based three-dimensional solid model making method according to the present invention will be described in detail.
The climbing data may include data such as the current weather condition for the mountain, the current state of each climbing course, and tracking view data capable of experiencing a trail for each course.
The tracking view data is a component that allows the user to freely move the viewpoint of the mountain through the mobile device, and to confirm the actual shape of the mountain and the mountain course in advance.
Specifically, when the user drives the application installed in the mobile device and executes the tracking view data, the mobile device displays the actual three-dimensional shape of the mountain to which the user intends to obtain information.
At this time, the user can reduce the three-dimensional shape and grasp rough information such as the overall shape of a mountain, a course of a mountain trail, and a major point.
Further, the user can enlarge the three-dimensional shape to obtain detailed information of the trail course, major points, and the like.
In addition, the user can experience any one of the mountaineering course, and experience a virtual mountaineering which moves all the sections of the mountaineering course at high speed or low speed.
The embodiments described above are provided by way of example for the purpose of enabling a person skilled in the art to sufficiently transfer the technical idea of the present invention to a person skilled in the art, But may be embodied in other forms without limitation.
100: recognition step
110: Connection step
120: Transmission and reception phase
Claims (6)
An identifying step of sequentially identifying each of a plurality of contour lines included in the lowest contour line, which is a closed curve, with a camera to generate contour line data;
A modeling step of inputting the contour data to a known three-dimensional printer device to form a three-dimensional solid model; And a control unit,
The camera comprises:
A contour line data generated by recognizing a closed curve formed along a line having the same color and thickness as one point of the lowest contour line designated by the touch fan as a lowest contour line,
Moving toward the inside of the lowest contour line, recognizing an arbitrary line as a contour line by sensing the change in color and generating contour line data,
In the case where a given arbitrary color is recognized, when an arbitrary line deviates from the lowest contour line, and when a certain line can not form a closed curve, the contour data being generated is deleted and the viewpoint is moved to the inside of the lowest contour line Dimensional map based on a two dimensional map.
In the stereoscopic model manufacturing method,
A finishing step of further finishing the three-dimensional solid model after the modeling step;
A painting step of painting the three-dimensional solid model; Dimensional model based on the two-dimensional map.
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| JP2007253551A (en) * | 2006-03-24 | 2007-10-04 | Kimoto & Co Ltd | Topographic model molding system and topographic model |
| KR100961811B1 (en) * | 2007-11-29 | 2010-06-08 | 주식회사 케이티 | Method and system for route guide service using mobile rfid |
| KR101439410B1 (en) * | 2013-02-14 | 2014-10-30 | 나비스오토모티브시스템즈 주식회사 | navigation system and method for displaying three-dimensional crossroad thereof |
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| JP4572387B2 (en) | 2005-08-11 | 2010-11-04 | 独立行政法人産業技術総合研究所 | High-precision 3D map production method |
| KR100609786B1 (en) | 2005-12-28 | 2006-08-09 | 공간정보기술 주식회사 | Method of modelling 3-dimensional building using original drawing map |
| KR20100010992U (en) * | 2009-04-30 | 2010-11-09 | 윤여원 | Real scale mountain model |
| KR20150144075A (en) | 2014-06-16 | 2015-12-24 | 전영권 | 3D Objects Transforming Method by Using 2D Image and Hardening Method of 3D Objects |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007253551A (en) * | 2006-03-24 | 2007-10-04 | Kimoto & Co Ltd | Topographic model molding system and topographic model |
| KR100961811B1 (en) * | 2007-11-29 | 2010-06-08 | 주식회사 케이티 | Method and system for route guide service using mobile rfid |
| KR101439410B1 (en) * | 2013-02-14 | 2014-10-30 | 나비스오토모티브시스템즈 주식회사 | navigation system and method for displaying three-dimensional crossroad thereof |
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