CN105825551A - Three-dimensional tag realization method and apparatus - Google Patents
Three-dimensional tag realization method and apparatus Download PDFInfo
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- CN105825551A CN105825551A CN201610141844.7A CN201610141844A CN105825551A CN 105825551 A CN105825551 A CN 105825551A CN 201610141844 A CN201610141844 A CN 201610141844A CN 105825551 A CN105825551 A CN 105825551A
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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
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- 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
Abstract
The invention relates to a three-dimensional tag realization method and apparatus. The method comprises: a click coordinate on a three-dimensional model interface is obtained; according to the click coordinate, hit testing is carried out to obtain an information list of the hit testing; if the information list is not empty, a three-dimensional model closest to the click coordinate and an intersection point with the closest three-dimensional model are obtained based on the information list; according to the intersection point and the position of the intersection point in the closest three-dimensional model, a direction, a distance, and an angle of a to-be-generated tag are obtained; a three-dimensional geometric graph is generated based on the direction, the distance, and the angle of the to-be-generated tag; and a text editing control unit is added into the three-dimensional geometric graph to generate a three-dimensional tag. According to the invention, the three-dimensional tag can be added into the three-dimensional model without the need of editing by professional editing software, so that the operation becomes simple. The method and apparatus are suitable for non-professional people.
Description
Technical field
The present invention relates to multidimensional model technical field, particularly relate to a kind of three-dimensional label implementation method and device.
Background technology
Threedimensional model is the Polygons Representation of object, and logical conventional computer or other video equipment show.The object of display can be the entity of real world, it is also possible to be imaginary object.At present, threedimensional model has been used to various different field, such as, for making the accurate model of organ in medical industry, be used for exhibition building thing or landscape in building industry, in multimedia teaching industry for model showing compound etc..
Use threedimensional model time, user usually needs to be labeled on threedimensional model, with indicate certain position on threedimensional model be what etc..Being frequently used two-dimensional tag in prior art to be labeled threedimensional model, but the two-dimensional tag added cannot be followed the rotation of threedimensional model, scaling etc. and be operated, and cannot preserve the information of remarks, operating experience is poor.And if the software for editing of employing specialty adds three-dimensional label, then operate complexity, use condition the highest, affect the use of most of user.
Summary of the invention
Based on this, it is necessary to for the problems referred to above, it is provided that a kind of three-dimensional label implementation method simple to operate and device.
In order to achieve the above object, the technical scheme that the present invention takes is as follows:
A kind of three-dimensional label implementation method, including step:
Obtain the click coordinate on threedimensional model interface；
Carry out hit test according to described click coordinate, obtain the information list of hit test；
If described information list is not empty, obtain from the nearest threedimensional model of described click coordinate according to described information list, and the joining corresponding with nearest threedimensional model；
According to described joining, and the position that described joining is in nearest threedimensional model, it is thus achieved that the direction of label to be generated, distance and angle；
Direction, distance and angle according to label to be generated generate three-dimensional geometric shapes；
In described three-dimensional geometric shapes, add text editing control, generate three-dimensional label.
Three-dimensional label implementation method of the present invention, when user clicks on threedimensional model interface, hit test is carried out according to the two-dimensional coordinate clicked on, if the threedimensional model existed in point, obtain from the nearest threedimensional model of clicking point and the three-dimensional coordinate of joining according to information list, and then determine position and the angle of label, generate three-dimensional geometric figure, in this geometric figure, add text editing control, i.e. generate three-dimensional label.The present invention realizes adding three-dimensional label in the three-dimensional model, and the three-dimensional label of interpolation can follow the operations such as the rotation of threedimensional model, scaling, and operating experience is preferable；Software for editing without specialty edits, and user has only to add tagged position at needs and carries out common clicking operation, it is possible to directly add three-dimensional label to relevant position, convenient, flexible, simple to operate, it is adaptable to layman.
In one embodiment, carrying out hit test according to described click coordinate, the step of the information list obtaining hit test includes: described click coordinate is converted to the conical ray with described click coordinate as summit；Obtain the information list of hit test according to described conical ray, wherein said information list includes threedimensional model and the joining intersected with described conical ray.
In one embodiment, after generating three-dimensional label, further comprise the steps of: the storage rule that the form according to nearest threedimensional model is corresponding, the information of described three-dimensional label is stored in corresponding file.The information (three-dimensional information and the text message of editor) of label can be preserved by the present invention, just can directly display this three-dimensional label when next time opens, be user-friendly to.
In one embodiment, after the information of described three-dimensional label is stored in corresponding file, further comprise the steps of: by deleting the information of three-dimensional label described in described file, described three-dimensional label is deleted.If being no longer necessary to show three-dimensional label, user has only to delete corresponding information hereof, and three-dimensional label the most no longer shows, simple to operation.
In one embodiment, after obtaining the information list of hit test, if further comprising the steps of: described information list is sky, return the step of the click coordinate obtained on threedimensional model interface.If user is any threedimensional model in not putting, then without three-dimensional label, continue monitoring clicking operation.
In one embodiment, described click coordinate includes coordinate and the coordinate of touch point that the coordinate of click, keyboard click on.
A kind of three-dimensional label realizes device, including:
Click coordinate acquisition module, for obtaining the click coordinate on threedimensional model interface；
Information list acquisition module, for carrying out hit test according to described click coordinate, obtains the information list of hit test；
List information acquisition module, for when described information list be empty, according to the acquisition of described information list from the nearest threedimensional model of described click coordinate, and the joining corresponding with nearest threedimensional model；
Label information determines module, is used for according to described joining, and the position that described joining is in nearest threedimensional model, it is thus achieved that the direction of label to be generated, distance and angle；
Several picture generation module, generates three-dimensional geometric shapes for the direction according to label to be generated, distance and angle；
Three-dimensional label generation module, for adding text editing control in described three-dimensional geometric shapes, generates three-dimensional label.
Three-dimensional label of the present invention realizes device, when user clicks on threedimensional model interface, hit test is carried out according to the two-dimensional coordinate clicked on, if the threedimensional model existed in point, obtain from the nearest threedimensional model of clicking point and the three-dimensional coordinate of joining according to information list, and then determine position and the angle of label, generate three-dimensional geometric figure, in this geometric figure, add text editing control, i.e. generate three-dimensional label.The present invention realizes adding three-dimensional label in the three-dimensional model, and the three-dimensional label of interpolation can follow the operations such as the rotation of threedimensional model, scaling, and operating experience is preferable；Software for editing without specialty edits, and user has only to add tagged position at needs and carries out common clicking operation, it is possible to directly add three-dimensional label to relevant position, convenient, flexible, simple to operate, it is adaptable to layman.
In one embodiment, described information list acquisition module includes: coordinate transformation unit, for described click coordinate is converted to the conical ray with described click coordinate as summit；List acquiring unit, for obtaining the information list of hit test according to described conical ray, wherein said information list includes threedimensional model and the joining intersected with described conical ray.
In one embodiment, three-dimensional label of the present invention realizes the label information preservation module that device also includes being connected with described three-dimensional label generation module, described label information preserves module and is used for the storage rule corresponding according to the form of nearest threedimensional model, the information of described three-dimensional label is stored in corresponding file.The information (three-dimensional information and the text message of editor) of label can be preserved by the present invention, just can directly display this three-dimensional label when next time opens, be user-friendly to.
In one embodiment, three-dimensional label of the present invention realizes device and also includes preserving, with described label information, the label removing module that module is connected, and described three-dimensional label, by deleting the information of three-dimensional label described in described file, is deleted by described label removing module.If being no longer necessary to show three-dimensional label, user has only to delete corresponding information hereof, and three-dimensional label the most no longer shows, simple to operation.
In one embodiment, when described information list is empty, described click coordinate acquisition module reacquires the click coordinate on threedimensional model interface.If user is any threedimensional model in not putting, then without three-dimensional label, continue monitoring clicking operation.
In one embodiment, described click coordinate includes coordinate and the coordinate of touch point that the coordinate of click, keyboard click on.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of three-dimensional label implementation method embodiment of the present invention；
Fig. 2 is the structural representation that three-dimensional label of the present invention realizes device embodiment one；
Fig. 3 is the structural representation of information list acquisition module embodiment of the present invention；
Fig. 4 is the structural representation that three-dimensional label of the present invention realizes device embodiment two；
Fig. 5 is the structural representation that three-dimensional label of the present invention realizes device embodiment three.
Detailed description of the invention
By further illustrating the technological means and the effect of acquirement that the present invention taked, below in conjunction with the accompanying drawings and preferred embodiment, to technical scheme, clear and complete description is carried out.
As it is shown in figure 1, a kind of three-dimensional label implementation method, including step:
S110, the click coordinate obtained on threedimensional model interface；
S120, according to described click coordinate carry out hit test, obtain hit test information list；
If the described information list of S130 is not empty, obtain from the nearest threedimensional model of described click coordinate according to described information list, and the joining corresponding with nearest threedimensional model；
S140, according to described joining, and the position that described joining is in nearest threedimensional model, it is thus achieved that the direction of label to be generated, distance and angle；
S150, direction according to label to be generated, distance and angle generate three-dimensional geometric shapes；
S160, in described three-dimensional geometric shapes add text editing control, generate three-dimensional label.
The present invention realizes adding three-dimensional label in the three-dimensional model, and the three-dimensional label of interpolation can follow the operations such as the rotation of threedimensional model, scaling, and operating experience is preferable；Software for editing without specialty edits, and user has only to add tagged position at needs and carries out common clicking operation, it is possible to directly add three-dimensional label to relevant position, convenient, flexible, simple to operate, it is adaptable to layman.
In step s 110, conventional threedimensional model file, such as, * .obj are imported, the threedimensional model files such as * .dae, * .fbx, * .3ds, and being correctly rendered on interface by threedimensional model, i.e. obtain threedimensional model interface, the operations such as the rotation of threedimensional model, scaling are supported at threedimensional model interface.
When needs add three-dimensional label, user is needing the position adding three-dimensional label to carry out common clicking operation, is two-dimensional coordinate according to the click coordinate that clicking operation obtains.The mode obtaining click coordinate has a variety of, and such as, in one embodiment, described click coordinate can include coordinate and the coordinate etc. of touch point that the coordinate of click, keyboard click on.I.e. user can carry out clicking operation by mouse or keyboard, it is also possible to direct finger etc. directly touch.
In the step s 120, when user carries out clicking operation, do hit test with the coordinate of clicking point.In one embodiment, carrying out hit test according to described click coordinate, the step of the information list obtaining hit test may include that
Described click coordinate is converted to the conical ray with described click coordinate as summit；
Obtain the information list of hit test according to described conical ray, wherein said information list includes threedimensional model and the joining intersected with described conical ray.Described information list can also include the information such as the visual object and the grid that intersect with described conical ray.
In one embodiment, after obtaining the information list of hit test, if further comprising the steps of: described information list is sky, return the step of the click coordinate obtained on threedimensional model interface.Information list is any threedimensional model during sky is not i.e. put, and without remarks, terminates this time operation, reacquires click coordinate.
If the information list obtained is not empty, then there is the threedimensional model in point, perform subsequent operation.
In step s 130, when doing hit test, conical ray may intersect with multiple threedimensional models, i.e. there may be multiple threedimensional model and the information of corresponding joining in information list.According to the joining (point of impact) of the information of information list, the threedimensional model that computed range click coordinate is nearest, and conical ray Yu nearest threedimensional model, wherein joining is three-dimensional coordinate.
In step S140, with the root that joining is label to be generated obtained in step S130, determine the direction of label to be generated, distance and angle according to joining in the position of this threedimensional model.Such as, the X-coordinate of joining is less than the X point of the middle coordinate of threedimensional model, i.e. joining extends to the left at the left-half of this threedimensional model, label the most to be generated.
In step S150, after obtaining the direction of label to be generated, distance and angle, i.e. can dynamically generate a three-dimensional geometric shapes according to these information relevant position in this threedimensional model, the mode wherein generating three-dimensional geometry image can realize according to mode existing in prior art.
In step S160, after obtaining three-dimensional geometric shapes, adding text editing control, it is possible to generate three-dimensional label in described three-dimensional geometric shapes, user double-clicks i.e. can edit label substance.The mode adding text editing control in three-dimensional geometry image can realize according to mode existing in prior art.
Using, user needs to store label information the most next time.So, in one embodiment, after generating three-dimensional label, step can also be included: according to the storage rule that the form of nearest threedimensional model is corresponding, information by described three-dimensional label, the three-dimensional informations such as the remarks content edited including user and three-dimensional label self-position, store in corresponding file.After storage, upper once open this document time, three-dimensional label just automatically display.
When need not show three-dimensional label, it is necessary to the three-dimensional label added is deleted.In one embodiment, after the information of described three-dimensional label being stored in corresponding file, it is also possible to include step: by deleting the information of three-dimensional label described in described file, deleted by described three-dimensional label.User can also directly choose three-dimensional label to be deleted in interface, is directly deleted by three-dimensional label by shortcut.
In order to be better understood from the present invention, it is introduced below in conjunction with a concrete application scenarios.
When teacher explains the structure of compound by threedimensional model, in order to more convenient student understands the element of certain position, need threedimensional model is added three-dimensional label.Utilize the inventive method, teacher has only to carry out clicking operation in relevant position, the most just can directly three-dimensional label be added in threedimensional model, then teacher double-clicks the content that just can edit three-dimensional label, directly complete the adding procedure of three-dimensional label at explanation scene, and the three-dimensional label added can follow the operations such as rotation and the scaling of threedimensional model.By this specifically application common it can be seen that present invention interpolation that teacher i.e. can be facilitated to carry out three-dimensional label, it is also possible to student can be added and capture information fast and accurately.
Based on same inventive concept, the present invention also provides for a kind of three-dimensional label and realizes device, is described in detail the detailed description of the invention of apparatus of the present invention below in conjunction with the accompanying drawings.
As in figure 2 it is shown, a kind of three-dimensional label realizes device, including:
Click coordinate acquisition module 110, for obtaining the click coordinate on threedimensional model interface；
Information list acquisition module 120, for carrying out hit test according to described click coordinate, obtains the information list of hit test；
List information acquisition module 130, for when described information list be empty, according to the acquisition of described information list from the nearest threedimensional model of described click coordinate, and the joining corresponding with nearest threedimensional model；
Label information determines module 140, is used for according to described joining, and the position that described joining is in nearest threedimensional model, it is thus achieved that the direction of label to be generated, distance and angle；
Several picture generation module 150, generates three-dimensional geometric shapes for the direction according to label to be generated, distance and angle；
Three-dimensional label generation module 160, for adding text editing control in described three-dimensional geometric shapes, generates three-dimensional label.
The present invention realizes adding three-dimensional label in the three-dimensional model, and the three-dimensional label of interpolation can follow the operations such as the rotation of threedimensional model, scaling, and operating experience is preferable；Software for editing without specialty edits, and user has only to add tagged position at needs and carries out common clicking operation, it is possible to directly add three-dimensional label to relevant position, convenient, flexible, simple to operate, it is adaptable to layman.
The mode obtaining click coordinate has a variety of, and such as, in one embodiment, described click coordinate can include coordinate and the coordinate etc. of touch point that the coordinate of click, keyboard click on.I.e. user can carry out clicking operation by mouse or keyboard, it is also possible to direct finger etc. directly touch.
When user carries out clicking operation, information list acquisition module 120 does hit test with the coordinate of clicking point, obtains information list.In one embodiment, as it is shown on figure 3, described information list acquisition module 120 may include that
Coordinate transformation unit 1201, for being converted to the conical ray with described click coordinate as summit by described click coordinate；
List acquiring unit 1202, for obtaining the information list of hit test according to described conical ray, wherein said information list includes threedimensional model and the joining etc. intersected with described conical ray.
In one embodiment, when described information list is empty, described click coordinate acquisition module 110 reacquires the click coordinate on threedimensional model interface.Information list is any threedimensional model during sky is not i.e. put, and without remarks, terminates this time operation, reacquires click coordinate.
If the information list obtained is not empty, list information acquisition module 130 is according to the joining (point of impact) of the information of information list, the threedimensional model that computed range click coordinate is nearest, and conical ray Yu nearest threedimensional model.Label information determines that module 140, with the root that joining is label to be generated, determines the direction of label to be generated, distance and angle according to joining in the position of this threedimensional model.Several picture generation module 150 dynamically generates a three-dimensional geometric shapes according to these information relevant position in this threedimensional model.Three-dimensional label generation module 160 adds text editing control in described three-dimensional geometric shapes, it is possible to generate three-dimensional label.User double-clicks i.e. can edit label substance.
Using, user needs to store label information the most next time.So, in one embodiment, as shown in Figure 4, apparatus of the present invention can also include that the label information being connected with described three-dimensional label generation module 160 preserves module 170.Described label information preserves module 170 and is used for the storage rule corresponding according to the form of nearest threedimensional model, the information of described three-dimensional label is stored in corresponding file.
When need not show three-dimensional label, it is necessary to the three-dimensional label added is deleted.In one embodiment, as shown in Figure 5, apparatus of the present invention can also include preserving, with described label information, the label removing module 180 that module 170 is connected, and described three-dimensional label, by deleting the information of three-dimensional label described in described file, is deleted by described label removing module 180.User can also directly choose three-dimensional label to be deleted in interface, is directly deleted by three-dimensional label by shortcut.
Other technical characteristic of apparatus of the present invention is identical with the inventive method, does not repeats them here.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a three-dimensional label implementation method, it is characterised in that include step:
Obtain the click coordinate on threedimensional model interface；
Carry out hit test according to described click coordinate, obtain the information list of hit test；
If described information list is not empty, obtain from the nearest threedimensional model of described click coordinate according to described information list, and the joining corresponding with nearest threedimensional model；
According to described joining, and the position that described joining is in nearest threedimensional model, it is thus achieved that the direction of label to be generated, distance and angle；
Direction, distance and angle according to label to be generated generate three-dimensional geometric shapes；
In described three-dimensional geometric shapes, add text editing control, generate three-dimensional label.
Three-dimensional label implementation method the most according to claim 1, it is characterised in that carry out hit test according to described click coordinate, the step of the information list obtaining hit test includes:
Described click coordinate is converted to the conical ray with described click coordinate as summit；
Obtain the information list of hit test according to described conical ray, wherein said information list includes threedimensional model and the joining intersected with described conical ray.
Three-dimensional label implementation method the most according to claim 1, it is characterised in that
After generating three-dimensional label, further comprise the steps of:
The storage rule that form according to nearest threedimensional model is corresponding, stores the information of described three-dimensional label in corresponding file；
After the information of described three-dimensional label is stored in corresponding file, further comprise the steps of:
By deleting the information of three-dimensional label described in described file, described three-dimensional label is deleted.
Three-dimensional label implementation method the most according to claim 1, it is characterised in that after obtaining the information list of hit test, further comprise the steps of:
If described information list is empty, return the step of the click coordinate obtained on threedimensional model interface.
5. according to the three-dimensional label implementation method described in Claims 1-4 any one, it is characterised in that described click coordinate includes coordinate and the coordinate of touch point that the coordinate of click, keyboard click on.
6. a three-dimensional label realizes device, it is characterised in that including:
Click coordinate acquisition module, for obtaining the click coordinate on threedimensional model interface；
Information list acquisition module, for carrying out hit test according to described click coordinate, obtains the information list of hit test；
List information acquisition module, for when described information list be empty, according to the acquisition of described information list from the nearest threedimensional model of described click coordinate, and the joining corresponding with nearest threedimensional model；
Label information determines module, is used for according to described joining, and the position that described joining is in nearest threedimensional model, it is thus achieved that the direction of label to be generated, distance and angle；
Several picture generation module, generates three-dimensional geometric shapes for the direction according to label to be generated, distance and angle；
Three-dimensional label generation module, for adding text editing control in described three-dimensional geometric shapes, generates three-dimensional label.
Three-dimensional label the most according to claim 6 realizes device, it is characterised in that described information list acquisition module includes:
Coordinate transformation unit, for being converted to the conical ray with described click coordinate as summit by described click coordinate；
List acquiring unit, for obtaining the information list of hit test according to described conical ray, wherein said information list includes threedimensional model and the joining intersected with described conical ray.
Three-dimensional label the most according to claim 6 realizes device, it is characterised in that
Described three-dimensional label realizes the label information preservation module that device also includes being connected with described three-dimensional label generation module, described label information preserves module and is used for the storage rule corresponding according to the form of nearest threedimensional model, the information of described three-dimensional label is stored in corresponding file；
Described three-dimensional label realizes device and also includes preserving, with described label information, the label removing module that module is connected, and described three-dimensional label, by deleting the information of three-dimensional label described in described file, is deleted by described label removing module.
Three-dimensional label the most according to claim 6 realizes device, it is characterised in that when described information list is empty, described click coordinate acquisition module reacquires the click coordinate on threedimensional model interface.
10. realize device according to the three-dimensional label described in claim 6 to 9 any one, it is characterised in that described click coordinate includes coordinate and the coordinate of touch point that the coordinate of click, keyboard click on.
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| CN114758075A (en) * | 2022-04-22 | 2022-07-15 | 如你所视(北京)科技有限公司 | Method, apparatus and storage medium for generating three-dimensional label |
| CN114820979A (en) * | 2022-04-22 | 2022-07-29 | 如你所视(北京)科技有限公司 | Processing method and device of three-dimensional grid model and storage medium |
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| CN114842175B (en) * | 2022-04-22 | 2023-03-24 | 如你所视(北京)科技有限公司 | Interactive presentation method, device, equipment and medium for three-dimensional label |
| WO2023202349A1 (en) * | 2022-04-22 | 2023-10-26 | 如你所视(北京)科技有限公司 | Interactive presentation method and apparatus for three-dimensional label, and device, medium and program product |
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