CN110097630A - The generation method of general camera and device, storage medium in 3D cartoon making - Google Patents
The generation method of general camera and device, storage medium in 3D cartoon making Download PDFInfo
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- CN110097630A CN110097630A CN201910268562.7A CN201910268562A CN110097630A CN 110097630 A CN110097630 A CN 110097630A CN 201910268562 A CN201910268562 A CN 201910268562A CN 110097630 A CN110097630 A CN 110097630A
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- G—PHYSICS
- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
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- General Physics & Mathematics (AREA)
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Abstract
The present invention discloses the generation method and device, storage medium of general camera in a kind of 3D cartoon making.The method comprise the steps that the single-point camera that creation is synchronous with original camera key frame or key frame collection；In each key frame of the original camera, the attitude data and photographed data of the original camera are obtained respectively；Key application frame or key frame integrate the corresponding attitude data and the photographed data to the single-point camera as dereferenced camera；Store the dereferenced camera.The present invention can create corresponding single-point camera, for exporting or baking under any scene according to the posture of original camera and parameter；The problem of original camera includes other relation conditions after export is overcome, the probability that camera occurs mistake when being loaded into other animation softs is reduced.
Description
Technical field
The present invention relates to field of three-dimension modeling, the generation in particular to general camera in a kind of 3D cartoon making is filled
It sets.
Background technique
Textures baking is that the Light energy transfer information in 3D animation soft is rendered to textures；Again by the textures after baking
It is loaded into the technological means of model in scene.
In 3D cartoon making, in order to guarantee scene stabilization and efficiently；It needs to carry out the camera to be rendered in scene
The baking of key frame or key frame collection.By baked in document scene camera that key frame or key frame collection generate can again by into
One step is applied individually in other animation softs, is used for production process.
But when document scene is numerous and jumbled, camera is possible to by other nodes, expression formula, the constraint relationship, animation layer and change
Change the limitation of the relation conditions such as node；The camera generated after being baked by existing key frame or key frame collection, can be with above-mentioned relation item
The association of part causes camera when being imported into other animation softs, includes extra relation condition, causes other animations
The loading mistake of Software for producing.
Summary of the invention
The embodiment of the present invention at least discloses a kind of generation method of general camera in 3D cartoon making, is able to solve camera and exists
The problem of including other relation conditions after export, reduces the probability that camera occurs mistake when being loaded into other animation softs.
The described method includes:
Create the single-point camera synchronous with original camera key frame or key frame collection；
In each key frame of the original camera, the attitude data and photographed data of the original camera are obtained respectively；
Key application frame or the corresponding attitude data of key frame collection and the photographed data are to the single-point camera
Dereferenced camera；
Store the dereferenced camera.
In some embodiments disclosed by the invention, in each key frame of the original camera, the original is obtained respectively
The attitude data of beginning camera, is configured as:
Create locator；
The locator is constrained to original camera；
In each key frame of the original camera, the location data for obtaining the locator respectively is the posture number
According to.
In some embodiments disclosed by the invention, the location data includes coordinate position and the rotation of the locator
Angle.
In some embodiments disclosed by the invention, the photographed data includes the negative plate size and phase of the original camera
Machine focal length.
In some embodiments disclosed by the invention, the dereferenced camera is baked frame by frame in the key frame or the pass
The animation model of key frame collection.
In some embodiments disclosed by the invention, the dereferenced camera is baked in the key frame or the key frame
The animation model of collection, is configured as:
Generate whole model nodes of animation model in scene；
Dereferenced camera described in current key frame is obtained in the field range of the animation model；
Extract the model node of the covering of field range described in current key frame；
Compact model is generated according to the capped model node；
The dereferenced camera is baked in the compact model of current key frame.
In some embodiments disclosed by the invention, compact model is generated according to the model node of covering, is configured
Are as follows:
The model node is the surface point cloud of animation model；
Obtain the surface point cloud that the animation model is covered by the field range
Extended to outside the field range in advance for origin on the surface of the animation model according to any surface point cloud
Set coordinate；
It is the compact model according to the part that the surface point cloud of extension intercepts the animation model.
The embodiment of the present invention at least discloses a kind of storage medium, and the storage medium is stored at least one formula, described
When formula is performed device execution, realize such as the step of the above method.
The embodiment of the present invention at least discloses a kind of generating means of general camera in 3D cartoon making.
Described device includes:
Camera creation module is configured as obtaining original camera and create and the original camera key frame or key frame
Collect synchronous single-point camera；
Posture synchronization module is configured as obtaining the original camera in the attitude data of each key frame；
Parameter synchronization module is configured as obtaining the original camera in the photographed data of each key frame；
Camera applications module is configured to apply key frame or the corresponding attitude data of key frame collection and the shooting
Data to the single-point camera be dereferenced camera；
Camera bakes module, is configured as baking the dereferenced camera frame by frame in the key frame or the key frame collection
Animation model.
In some embodiments disclosed by the invention, described device includes camera memory module；
The camera memory module is configured as storing the dereferenced camera.
For above scheme, the present invention is by being referring to the drawings described in detail disclosed exemplary embodiment, also
The other feature and its advantage for making the embodiment of the present invention understand.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the framework map of embodiment generating means；
Fig. 2 is the flow chart of embodiment generation method.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of disclosed the embodiment of the present invention in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
The present embodiment provides a kind of generating means of general camera in 3D cartoon making.Device be put in such as maya and
In the three-dimensional animation making softwares such as 3Dmax, such as the plug-in unit xp_exportBakCam.mel that can operate in maya as one.xp_
The framework of exportBakCam.mel is as shown in Figure 1, include camera creation module, posture synchronization module, parameter synchronization module, phase
Machine application module and camera bake module.In original camera after configured with key frame or key frame collection, xp_
The execution that exportBakCam.mel can be selected when choosing original camera in maya.
Xp_exportBakCam.mel is performed, and executes or part executes above-mentioned module in order.
Camera creation module is performed, and creates the single-point synchronous with the key frame of original camera or key frame collection chosen
The quantity of camera, single-point camera is configured according to selection.
Posture synchronization module is performed, and is created simultaneously in single-point camera, the positioning of creation one and original camera constraint
Device, locator be able to record under each key frame the coordinate position of original camera and rotation angle in addition other in relation to posture
Information, the present embodiment does not limit.
Parameter synchronization module is performed, and records the negative plate size and camera focus of original camera under each key frame, very
To other parameters in relation to camera.
Camera applications module is performed for each key frame application in single-point camera after the execution of three above module
The attitude data and photographed data of corresponding original camera, make coordinate position, angle, the acquisition parameters etc. of unidirectional camera in the scene
It is consistent with original camera, while being not associated to the relation conditions such as other nodes as dereferenced camera.
Camera bakes module and is performed after the execution of camera applications module, is capable of the baking dereferenced camera of key frame one by one
In the animation model of current key frame.
After camera applications module is performed, deposited under the path being set by the camera memory module of animation soft
Energy storage reaches the general general camera in other animation softs.Meanwhile camera memory module is in the animation model of associated camera
After being baked, the animation model textures that dereferenced camera is baked in each key frame can be stored under the path being set.
Further, camera bakes module when baking animation model of the dereferenced camera in current key frame, can hold
Row following steps.
S100 generates all surfaces point cloud on animation model surface in scene.
S200 obtains dereferenced camera described in current key frame in the field range of the animation model.
S300 extracts the surface point cloud that animation model described in current key frame is covered by the field range.
S400 is origin on the surface of the animation model to the field range extension according to any surface point cloud
Stretch pre-set co-ordinate；
S500 is the compact model according to the part that the surface point cloud of extension intercepts the animation model.
Referring to FIG. 2, xp_exportBakCam.mel is performed in maya, the life of general camera in maya is realized
It is as follows at process.
S100 creates the single-point camera synchronous with original camera key frame or key frame collection by camera creation module；
S200 creates locator by posture synchronization module, and constrains the locator to original camera.
S300, in each key frame of the original camera, obtains the seat of the locator by posture synchronization module respectively
Cursor position and rotation angle are the posture of the original cameras such as the attitude data.
S400, in each key frame of the original camera, obtains the original camera by parameter synchronization module respectively
The parameter of the original cameras such as negative plate size and camera focus.
S500 passes through camera applications module application key frame or the corresponding attitude data of key frame collection and the shooting
Data to the single-point camera be dereferenced camera.
S600 bakes module by camera and bakes the dereferenced camera frame by frame in the key frame or the key frame collection
Animation model.
S700 stores the dereferenced camera and dereferenced camera in each key frame by the camera memory module of maya
The animation model textures of lower baking.
In order to which embodiments of the present invention is further illustrated.The present embodiment discloses a kind of storage medium.Wherein storage medium
It is stored with several formulas, formula can be performed device execution, the step of for realizing such as above-mentioned xp_exportBakCam.mel.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the generation method of general camera in a kind of 3D cartoon making, which is characterized in that
The described method includes:
Create the single-point camera synchronous with original camera key frame or key frame collection；
In each key frame of the original camera, the attitude data and photographed data of the original camera are obtained respectively；
Key application frame or the corresponding attitude data of key frame collection and the photographed data to the single-point camera be non-pass
Join camera；
Store the dereferenced camera.
2. the generation method of general camera in 3D cartoon making as described in claim 1, which is characterized in that
In each key frame of the original camera, the attitude data of the original camera is obtained respectively, is configured as:
Create locator；
The locator is constrained to original camera；
In each key frame of the original camera, the location data for obtaining the locator respectively is the attitude data.
3. the generation method of general camera in 3D cartoon making as claimed in claim 2, which is characterized in that
The location data includes the coordinate position and rotation angle of the locator.
4. the generation method of general camera in 3D cartoon making as described in claim 1, which is characterized in that
The photographed data includes the negative plate size and camera focus of the original camera.
5. the generation method of general camera in 3D cartoon making as described in claim 1, which is characterized in that
The dereferenced camera is baked frame by frame in the key frame or the animation model of the key frame collection.
6. the generation method of general camera in 3D cartoon making as claimed in claim 5, which is characterized in that
The dereferenced camera is baked in the key frame or the animation model of the key frame collection, is configured as:
Generate whole model nodes of animation model in scene；
Dereferenced camera described in current key frame is obtained in the field range of the animation model；
Extract the model node of the covering of field range described in current key frame；
Compact model is generated according to the capped model node；
The dereferenced camera is baked in the compact model of current key frame.
7. the generation method of general camera in 3D cartoon making as claimed in claim 6, which is characterized in that
Compact model is generated according to the model node of covering, is configured as:
The model node is the surface point cloud of animation model；
Obtain the surface point cloud that the animation model is covered by the field range
Extend preset seat to outside the field range on the surface of the animation model for origin according to any surface point cloud
Mark；
It is the compact model according to the part that the surface point cloud of extension intercepts the animation model.
8. a kind of storage medium, which is characterized in that the storage medium is stored at least one formula, and the formula is performed device
When execution, the step of realizing method as described in claim 1.
9. the generating means of general camera in a kind of 3D cartoon making, which is characterized in that
Described device includes:
Camera creation module is configured as obtaining original camera and create same with the original camera key frame or key frame collection
The single-point camera of step；
Posture synchronization module is configured as obtaining the original camera in the attitude data of each key frame；
Parameter synchronization module is configured as obtaining the original camera in the photographed data of each key frame；
Camera applications module is configured to apply key frame or the corresponding attitude data of key frame collection and the photographed data
It is dereferenced camera to the single-point camera；
Camera bakes module, is configured as baking the dereferenced camera frame by frame in the dynamic of the key frame or the key frame collection
Draw model.
10. the generating means of general camera in 3D cartoon making as claimed in claim 9, which is characterized in that
Described device includes camera memory module；
The camera memory module is configured as storing the dereferenced camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268562.7A CN110097630B (en) | 2019-04-04 | 2019-04-04 | Method and device for generating universal camera in 3D animation production and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268562.7A CN110097630B (en) | 2019-04-04 | 2019-04-04 | Method and device for generating universal camera in 3D animation production and storage medium |
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| Publication Number | Publication Date |
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| CN110097630A true CN110097630A (en) | 2019-08-06 |
| CN110097630B CN110097630B (en) | 2022-06-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600665A (en) * | 2016-12-01 | 2017-04-26 | 北京像素软件科技股份有限公司 | Camera animation path generating method and device |
| CN106780675A (en) * | 2016-12-01 | 2017-05-31 | 厦门幻世网络科技有限公司 | A kind of method and apparatus for showing animation |
| CN106934827A (en) * | 2015-12-31 | 2017-07-07 | 杭州华为数字技术有限公司 | The method for reconstructing and device of three-dimensional scenic |
| CN108564617A (en) * | 2018-03-22 | 2018-09-21 | 深圳岚锋创视网络科技有限公司 | Three-dimensional rebuilding method, device, VR cameras and the panorama camera of more mesh cameras |
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2019
- 2019-04-04 CN CN201910268562.7A patent/CN110097630B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106934827A (en) * | 2015-12-31 | 2017-07-07 | 杭州华为数字技术有限公司 | The method for reconstructing and device of three-dimensional scenic |
| CN106600665A (en) * | 2016-12-01 | 2017-04-26 | 北京像素软件科技股份有限公司 | Camera animation path generating method and device |
| CN106780675A (en) * | 2016-12-01 | 2017-05-31 | 厦门幻世网络科技有限公司 | A kind of method and apparatus for showing animation |
| CN108564617A (en) * | 2018-03-22 | 2018-09-21 | 深圳岚锋创视网络科技有限公司 | Three-dimensional rebuilding method, device, VR cameras and the panorama camera of more mesh cameras |
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| CN110097630B (en) | 2022-06-14 |
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