WO2017152703A1 - Procédé et dispositif de mise en œuvre d'étiquette tridimensionnelle - Google Patents

Procédé et dispositif de mise en œuvre d'étiquette tridimensionnelle Download PDF

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Publication number
WO2017152703A1
WO2017152703A1 PCT/CN2016/113204 CN2016113204W WO2017152703A1 WO 2017152703 A1 WO2017152703 A1 WO 2017152703A1 CN 2016113204 W CN2016113204 W CN 2016113204W WO 2017152703 A1 WO2017152703 A1 WO 2017152703A1
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WIPO (PCT)
Prior art keywords
dimensional
information
label
click
coordinates
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PCT/CN2016/113204
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English (en)
Chinese (zh)
Inventor
陈天龙
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广州视睿电子科技有限公司
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Publication of WO2017152703A1 publication Critical patent/WO2017152703A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
    • G06T2219/004—Annotating, labelling

Definitions

  • the present invention relates to the field of multi-dimensional model technologies, and in particular, to a method and an apparatus for implementing a three-dimensional label.
  • a three-dimensional model is a polygonal representation of an object, usually displayed by a computer or other video device.
  • the displayed object can be a real world entity or a fictional object.
  • 3D models have been used in a variety of different fields, such as accurate models for making organs in the medical industry, buildings or landscapes used in the construction industry, models for displaying compounds in the multimedia teaching industry, etc. .
  • the information list is not empty, obtain a three-dimensional model closest to the click coordinate according to the information list, and an intersection point corresponding to the latest three-dimensional model;
  • the three-dimensional label implementation method of the present invention when the user clicks on the three-dimensional model interface, performs a hit test according to the two-dimensional coordinates of the click. If there is a three-dimensional model in the point, the three-dimensional model closest to the click point and the three-dimensional coordinates of the intersection point are acquired according to the information list. To determine the position and angle of the label, generate a three-dimensional geometry, and add a text editing control to the geometry to generate a three-dimensional label.
  • the invention realizes adding a three-dimensional label in the three-dimensional model, and the added three-dimensional label can follow the rotation, zooming and the like of the three-dimensional model, and the operation experience is good; without professional editing software for editing, the user only needs to perform the usual position at the position where the label needs to be added. With the click operation, you can directly add the 3D label to the corresponding location, which is convenient and flexible, easy to operate, and suitable for non-professionals.
  • the hit test is performed according to the click coordinates
  • the step of obtaining the information list of the hit test includes: converting the click coordinates into a cone ray having the click coordinates as a vertex; and obtaining a hit according to the cone ray A list of information tested, wherein the list of information includes a three-dimensional model intersecting the cone ray and an intersection point.
  • the method further includes the step of: storing the information of the three-dimensional label into a corresponding file according to a storage rule corresponding to the format of the latest three-dimensional model.
  • the invention can save the information of the label (three-dimensional information and edited text information), and can directly display the three-dimensional label when the next time is opened, which is convenient for the user to use.
  • the method further includes the step of deleting the three-dimensional tag by deleting the information of the three-dimensional tag in the file. If the 3D label is no longer needed to be displayed, the user only needs to delete the corresponding information in the file, and the 3D label is no longer displayed, and the operation is simple and convenient.
  • the method further includes the step of: returning the click coordinates on the three-dimensional model interface if the information list is empty. If the user does not have any 3D models in the point, then do not add 3D tags and continue to monitor the click operation.
  • the click coordinates include coordinates of a mouse click, coordinates of a keyboard click, and coordinates of a touch point.
  • An information list obtaining module configured to perform a hit test according to the click coordinates, and obtain a list of information of the hit test
  • a list information obtaining module configured to acquire, according to the information list, a three-dimensional model closest to the click coordinate and an intersection point corresponding to the closest three-dimensional model, when the information list is not empty;
  • a label information determining module configured to obtain a direction, a distance, and an angle of the label to be generated according to the intersection point and the position of the intersection point in the closest three-dimensional model
  • a geometric image generating module configured to generate a three-dimensional geometric figure according to a direction, a distance, and an angle of the label to be generated
  • a three-dimensional label generation module is configured to add a text editing control to the three-dimensional geometric figure to generate a three-dimensional label.
  • the three-dimensional label implementing device of the present invention performs a hit test according to the two-dimensional coordinates of the click when the user clicks on the three-dimensional model interface, and if there is a three-dimensional model in the point, obtains the three-dimensional model closest to the clicked point and the three-dimensional coordinates of the intersecting point according to the information list.
  • To determine the position and angle of the label generate a three-dimensional geometry, and add a text editing control to the geometry to generate a three-dimensional label.
  • the invention realizes adding a three-dimensional label in the three-dimensional model, and the added three-dimensional label can follow the rotation, zooming and the like of the three-dimensional model, and the operation experience is good; without professional editing software for editing, the user only needs to perform the usual position at the position where the label needs to be added. With the click operation, you can directly add the 3D label to the corresponding location, which is convenient and flexible, easy to operate, and suitable for non-professionals.
  • the information list obtaining module includes: a coordinate conversion unit configured to convert the click coordinates into a cone ray having the click coordinates as a vertex; a list obtaining unit configured to acquire according to the cone ray A list of information for a hit test, wherein the list of information includes a three-dimensional model intersecting the cone ray and an intersection point.
  • the three-dimensional tag implementation apparatus of the present invention further includes a tag information saving module connected to the three-dimensional tag generating module, and the tag information saving module is configured to store the rule according to a format corresponding to a format of the latest three-dimensional model.
  • the information of the three-dimensional label is stored in the corresponding file.
  • the invention can save the information of the label (three-dimensional information and edited text information), and can directly display the three-dimensional label when the next time is opened, which is convenient for the user to use.
  • the three-dimensional label implementation apparatus of the present invention further includes a label deletion module connected to the label information storage module, the label deletion module deleting the three-dimensional label by deleting information of the three-dimensional label in the file. delete. If the 3D label is no longer needed to be displayed, the user only needs to delete the corresponding information in the file, and the 3D label is no longer displayed, and the operation is simple and convenient.
  • the click coordinate acquisition module reacquires the click coordinates on the three-dimensional model interface. If the user does not have any 3D models in the point, then do not add 3D tags and continue to monitor the click operation.
  • the click coordinates include coordinates of a mouse click, coordinates of a keyboard click, and coordinates of a touch point.
  • FIG. 1 is a schematic flow chart of an embodiment of a method for implementing a three-dimensional label according to the present invention
  • Embodiment 1 of a three-dimensional label implementation device according to the present invention
  • FIG. 3 is a schematic structural diagram of an embodiment of an information list obtaining module according to the present invention.
  • Embodiment 4 is a schematic structural diagram of Embodiment 2 of a three-dimensional label implementation device according to the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 3 of a three-dimensional tag implementation apparatus according to the present invention.
  • a method for implementing a three-dimensional label includes the following steps:
  • the invention realizes adding a three-dimensional label in the three-dimensional model, and the added three-dimensional label can follow the rotation, zooming and the like of the three-dimensional model, and the operation experience is good; without professional editing software for editing, the user only needs to perform the usual position at the position where the label needs to be added. With the click operation, you can directly add the 3D label to the corresponding location, which is convenient and flexible, easy to operate, and suitable for non-professionals.
  • a common three-dimensional model file is imported, for example, a three-dimensional model file such as *.obj, *.dae, *.fbx, *.3ds, and the three-dimensional model is correctly rendered onto the interface, that is, a three-dimensional model interface is obtained.
  • the 3D model interface supports operations such as rotation and scaling of the 3D model.
  • the click coordinates may include coordinates of a mouse click, coordinates of a keyboard click, coordinates of a touch point, and the like. That is, the user can click through the mouse or the keyboard, or directly touch with a finger or the like.
  • step S120 when the user performs a click operation, the hit test is performed with the coordinates of the click point.
  • the step of performing a hit test according to the click coordinates to obtain a list of information of the hit test may include:
  • a list of information of the hit test is obtained from the cone ray, wherein the list of information includes a three-dimensional model intersecting the cone ray and an intersection point.
  • the list of information may also include information such as visual objects and grids that intersect the cone ray.
  • the method further includes the step of: returning the click coordinates on the three-dimensional model interface if the information list is empty. If the information list is empty, that is, any 3D model is not clicked. If no comment is added, the operation is ended and the click coordinates are reacquired.
  • the obtained information list is not empty, there is a three-dimensional model in the point to perform subsequent operations.
  • the cone ray when making a hit test, may intersect with a plurality of three-dimensional models, that is, information of a plurality of three-dimensional models and corresponding intersection points may exist in the information list. According to the information of the information list, the three-dimensional model closest to the click coordinate and the intersection point (hit point) of the cone ray with the nearest three-dimensional model are calculated, wherein the intersection point is a three-dimensional coordinate.
  • step S140 the intersection point obtained in step S130 is the root of the label to be generated, and the direction, distance and angle of the label to be generated are determined according to the position of the intersection point in the three-dimensional model.
  • the X coordinate of the intersection point is smaller than the X point of the intermediate coordinate of the three-dimensional model, that is, the intersection point is in the left half of the three-dimensional model, and the label to be generated extends to the left.
  • a three-dimensional geometric figure can be dynamically generated according to the information in the corresponding position in the three-dimensional model, wherein the manner of generating the three-dimensional geometric image can be according to the prior art.
  • step S160 after the three-dimensional geometric figure is obtained, a text editing control is added to the three-dimensional geometric figure to generate a three-dimensional label, and the user can double-click to edit the label content.
  • a text editing control is added to the three-dimensional geometric figure to generate a three-dimensional label, and the user can double-click to edit the label content.
  • the method may further include: step, according to the storage rule corresponding to the format of the latest three-dimensional model, the information of the three-dimensional label, including the content of the user-edited note, and the position of the three-dimensional label itself. Three-dimensional information is stored in the corresponding file. After storage, the 3D label will be automatically displayed the next time the file is opened.
  • the method may further include the step of deleting the three-dimensional tag by deleting the information of the three-dimensional tag in the file.
  • the user can also directly select the 3D label to be deleted in the interface, and delete the 3D label directly by using the shortcut key.
  • the teacher When the teacher explains the structure of the compound through the 3D model, in order to make it easier for the student to understand the elements of a certain position, it is necessary to add a three-dimensional label to the three-dimensional model.
  • the teacher only needs to click on the corresponding position, then the 3D label can be directly added to the 3D model, and then the teacher can double-click to edit the content of the 3D label, and directly complete the process of adding the 3D label at the explanation site.
  • the added 3D tags can follow the operations of rotation and scaling of the 3D model. It can be seen from the specific application that the invention can facilitate the teacher to add the three-dimensional label, and also enables the student to quickly and accurately capture the information.
  • the present invention further provides a three-dimensional label implementing device, and a specific embodiment of the device of the present invention will be described in detail below with reference to the accompanying drawings.
  • a three-dimensional label implementation device includes:
  • the information list obtaining module 120 is configured to perform a hit test according to the click coordinates to obtain a list of information of the hit test;
  • the list information obtaining module 130 is configured to: when the information list is not empty, acquire a three-dimensional model that is closest to the click coordinate according to the information list, and an intersection point corresponding to the latest three-dimensional model;
  • a label information determining module 140 configured to obtain a direction, a distance, and an angle of the label to be generated according to the intersection point and the position of the intersection point in the closest three-dimensional model;
  • a geometric image generating module 150 configured to generate a three-dimensional geometric figure according to a direction, a distance, and an angle of the label to be generated;
  • the three-dimensional label generating module 160 is configured to add a text editing control to the three-dimensional geometric figure to generate a three-dimensional label.
  • the invention realizes adding a three-dimensional label in the three-dimensional model, and the added three-dimensional label can follow the rotation, zooming and the like of the three-dimensional model, and the operation experience is good; without professional editing software for editing, the user only needs to perform the usual position at the position where the label needs to be added. With the click operation, you can directly add the 3D label to the corresponding location, which is convenient and flexible, easy to operate, and suitable for non-professionals.
  • the click coordinates may include coordinates of a mouse click, coordinates of a keyboard click, coordinates of a touch point, and the like. That is, the user can click through the mouse or the keyboard, or directly touch with a finger or the like.
  • the information list obtaining module 120 When the user performs a click operation, the information list obtaining module 120 performs a hit test with the coordinates of the click point to obtain a list of information.
  • the information list obtaining module 120 may include:
  • a coordinate conversion unit 1201 configured to convert the click coordinate into a cone ray with the click coordinate as a vertex
  • the list obtaining unit 1202 is configured to obtain a list of information of the hit test according to the cone ray, wherein the list of information includes a three-dimensional model intersecting the cone ray and an intersection point and the like.
  • the click coordinate acquisition module 110 reacquires the click coordinates on the three-dimensional model interface. If the information list is empty, that is, any 3D model is not clicked. If no comment is added, the operation is ended and the click coordinates are reacquired.
  • the list information acquisition module 130 calculates a three-dimensional model closest to the click coordinate and the intersection point (hit point) of the cone ray with the nearest three-dimensional model based on the information of the information list.
  • the tag information determining module 140 determines, as the root of the tag to be generated, the intersection point, and determines the direction, distance, and angle of the tag to be generated according to the position of the intersection point in the three-dimensional model.
  • the geometric image generation module 150 dynamically generates a three-dimensional geometric figure based on the information at corresponding positions in the three-dimensional model.
  • the three-dimensional label generation module 160 adds a text editing control to the three-dimensional geometric figure to generate a three-dimensional label. The user can double-click to edit the label content.
  • the apparatus of the present invention may further include a tag information saving module 170 connected to the three-dimensional tag generating module 160.
  • the tag information saving module 170 is configured to store the information of the three-dimensional tag into a corresponding file according to a storage rule corresponding to a format of a recent three-dimensional model.
  • the apparatus of the present invention may further include a label deletion module 180 connected to the label information saving module 170, and the label deletion module 180 deletes the three-dimensional label in the file. Information to delete the three-dimensional label. The user can also directly select the 3D label to be deleted in the interface, and delete the 3D label directly by using the shortcut key.

Abstract

L'invention concerne un procédé et un dispositif de mise en œuvre d'étiquette tridimensionnelle. Le procédé consiste : à obtenir des coordonnées de clic sur une interface de modèle tridimensionnel (S110) ; à réaliser un test d'impact selon les coordonnées de clic pour obtenir une liste d'informations du test d'impact (S120) ; si la liste d'informations n'est pas vide, à obtenir, selon la liste d'informations, un modèle tridimensionnel le plus proche des coordonnées de clic et un point d'intersection correspondant au modèle tridimensionnel le plus proche (S130) ; à obtenir la direction, la distance et l'angle d'une étiquette à générer selon le point d'intersection et la position du point d'intersection dans le modèle tridimensionnel le plus proche (S140) ; à générer une figure géométrique tridimensionnelle selon la direction, la distance et l'angle de l'étiquette à générer (S150) ; et à ajouter une commande d'édition de texte à la figure géométrique tridimensionnelle pour générer une étiquette tridimensionnelle (S160). Le procédé peut ajouter une étiquette tridimensionnelle à un modèle tridimensionnel sans édition par utilisation d'un logiciel d'édition professionnel, et, par conséquent, est simple à utiliser et est approprié à des personnes non professionnelles.
PCT/CN2016/113204 2016-03-11 2016-12-29 Procédé et dispositif de mise en œuvre d'étiquette tridimensionnelle WO2017152703A1 (fr)

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CN111340955A (zh) * 2020-02-25 2020-06-26 十一维度（厦门）网络科技有限公司 一种环物标签添加方法
CN112068752B (zh) * 2020-08-28 2022-01-11 北京五八信息技术有限公司 一种空间展示方法、装置、电子设备及存储介质
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CN114820979B (zh) * 2022-04-22 2023-03-24 如你所视(北京)科技有限公司 三维网格模型的处理方法、装置和存储介质
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