CN102520816A - Scaling and rotating combined touch method, device and system - Google Patents
Scaling and rotating combined touch method, device and system Download PDFInfo
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Abstract
The invention discloses a scaling and rotating combined touch method, device and system. The scaling and rotating combined touch method comprises the steps of: detecting operating information of a touch point, obtaining a scaling matrix and a rotating matrix; calculating the scaling matrix and the rotating matrix through a matrix multiplication to obtain a combination matrix, and realizing the operation of scaling and/or rotating by applying the combination matrix. By adopting the scaling and rotating combined touch method, device and system, compared with operations of the traditional mouse and key, the multi-point touch technology can realize the functions of scaling and rotating more visually in a more humanized manner; and the scaling and rotating combined touch system does not need to distinguish whether the user operation is a scaling gesture or rotating gesture, and scaling and rotating can be synchronously carried out, thus the speed of touch operation is increased and the user operation experience is enhanced.
Description
Technical field
The present invention relates to the multiple point touching technology, relate in particular to combination touch method, the Apparatus and system of convergent-divergent and rotation.
Background technology
Multi-point touch panel uses two or more different situation medium touch screen surfaces, can be perfect to realize various multiple point touchings application such as image zooming, rotation.And possess all functions and the advantage of contact tradition single-point infrared touch panel simultaneously.Be different from traditional single-point touches screen, the maximum characteristics of multi-point touch panel are can two hands, a plurality of fingers, even a plurality of people content of function screen simultaneously, convenient and hommization.The multiple point touching technology also is the multi-point touch technology.Multi-point touch (claim the induction of multiplex touch control, multiple spot, multiplex induction again, English is translated into Multi-touch) is one and sees through several fingers by the computer user and reach to the input technology of image applications control.Be to adopt human-computer interaction technology and the common technology that realizes of hardware device, can under the situation that does not have traditional input equipment (like mouse, keyboard etc.), carry out the man-machine interactive operation of computing machine.The appearance of multi-point touch is the brand-new again upgrading of mouse appearance back user control interface, and this brand-new user interface is passed through the software support of innovation and the multi-point touch screen of super large, can easily control all through finger.
The multiple point touching operation mainly contains convergent-divergent gesture and rotate gesture.Wherein, the convergent-divergent gesture operation is as shown in Figure 1: when two points act on the touch-screen simultaneously, the distance of two points is in the operation that constantly changes.Rotate gesture behaviour is as shown in Figure 2: when two points act on the touch-screen simultaneously, the motion track of two points has produced the operation that has radian to change.In the prior art, according to the definition of the gesture of convergent-divergent and rotation, if carried out once effectively gesture operation at the point-to-point transmission of touch-screen, gesture identification result or be convergent-divergent, or be rotation.If hope to switch convergent-divergent and spinfunction, need finish so to do new operation again after this operation.And if hope is rotated in the process of convergent-divergent or in the process of rotation, carry out convergent-divergent, can't realize so.
But; Various 3D images or image processing software interface are arranged at present; Too complicated in the design of controlling process; Must use the collocation of convergent-divergent and rotate gesture to operate, even many modes of operation also rely on the quick switching of convergent-divergent and rotation, could obtain best control mode.Switch speed for fear of induction speed on the hardware and the identification of background process software possibly not catch up with user's operating speed, thereby the switching of convergent-divergent and rotation can't be accomplished smoothly, influences user experience.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides combination touch method, the Apparatus and system of convergent-divergent and rotation, the synchronous realization of convergent-divergent and rotate gesture be can make, thereby the hommization and the ease for use of touch operation increased.
The invention provides the combination touch method of convergent-divergent and rotation, comprising:
Operation information according to the touch point is created scaling matrix and rotation matrix;
Said scaling matrix and said rotation matrix are calculated combinatorial matrix through matrix multiplication, use this combinatorial matrix to accomplish the operation of scaling and/or rotation.
Correspondingly, the present invention also provides the combination touching device of convergent-divergent and rotation, comprising:
The scaling matrix is created the unit, is used for creating the scaling matrix according to the operation information of touch point;
Rotation matrix is created the unit, is used for creating rotation matrix according to the operation information of touch point;
Create the combinatorial matrix establishment unit that the unit links to each other respectively with said scaling matrix establishment unit, said rotation matrix, be used for said scaling matrix and said rotation matrix are calculated combinatorial matrix through matrix multiplication;
Create the Object Operations unit that the unit links to each other with said combinatorial matrix, be used to use the scaling of said combinatorial matrix completion object and/or the operation of rotation.
Correspondingly, the present invention also provides the combination touch system of convergent-divergent and rotation, comprising:
Touch point detection device is used for the motion track of real-time detected touch point;
The combination touching device of aforesaid convergent-divergent and rotation, the combination touching device of this convergent-divergent and rotation also is used for making according to the real-time change of touch point motion track the conversion of corresponding scaling and/or rotation.
Embodiment of the present invention has following beneficial effect:
Than the operation of conventional mouse, keyboard, multiple point touching technology of the present invention can more directly perceived, realize the function of scaling and rotation with having more hommization.And what user's operation need not distinguished by system is scaling gesture or rotate gesture, uses scaling and rotation to carry out synchronously, thus the operating experience of having accelerated the speed of touch operation and having strengthened the user.
Description of drawings
Fig. 1 is a gesture synoptic diagram of realizing scaling in the middle of the prior art;
Fig. 2 is a gesture synoptic diagram of realizing rotation in the middle of the prior art;
Fig. 3 is the process flow diagram of the combination touch method of convergent-divergent of the present invention and rotation;
Fig. 4 is the embodiment synoptic diagram of the combination touch method of convergent-divergent of the present invention and rotation;
Fig. 5 is the embodiment process flow diagram of the combination touch method of convergent-divergent of the present invention and rotation;
Fig. 6 is the synoptic diagram of the combination touching device of convergent-divergent of the present invention and rotation;
Fig. 7 is the synoptic diagram of the combination touch system of convergent-divergent of the present invention and rotation.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is done to describe in detail further below.
Fig. 3 is the process flow diagram of the combination touch method of convergent-divergent of the present invention and rotation, comprising:
S101: the operation information according to the touch point is created scaling matrix and rotation matrix;
S102: said scaling matrix and said rotation matrix are calculated combinatorial matrix through matrix multiplication, use this combinatorial matrix to accomplish the operation of scaling and/or rotation.
Through the sliding trace of detected touch point on screen, obtain the touch information of touching medium on touch-screen.Wherein touch information comprises unique identification value, touch point position and the touch condition (touch presses, touches mobile and touch is upspring) of touch point.Create scaling matrix and rotation matrix according to the operation information of touch point, the place that this step is different from prior art is: no longer distinguish the convergent-divergent and the gesture-type of rotation in the touch operation, but setting convergent-divergent and rotary manipulation all are effective.So the present invention has faster speed compared with existing touch operation.On the one hand, control program is said from the backstage, and the present invention has saved the operation steps of distinguishing scaling or rotation, has accelerated the processing speed of software program; On the other hand, say, can carry out the combination operation of scaling and rotation, saved prior art central constantly switching scaling and rotation touch track from hardware.For prior art, if user's operation is too fast, the reaction velocity of hardware does not catch up with, and the user just possibly omitted by system in scaling and the switching in the rotation so.And the present invention can handle this problem better, the reaction velocity of elevator system on the processing power of existing hardware.
Step S102 combines scaled matrix and rotation matrix, forms new combinatorial matrix.Wherein, scaled matrix is M, and rotation matrix is N, and combinatorial matrix C equals the matrix multiple of M and N so.With the conversion of the coordinate of each point on the object, can realize two kinds of operations of convergent-divergent and rotation through combinatorial matrix.
When said scaling matrix column number equals the line number of said rotation matrix, said scaling matrix multiply by said rotation matrix confirm combinatorial matrix.
When the columns of said rotation matrix equals the line number of said scaling matrix, said rotation matrix multiply by said scaling matrix confirm combinatorial matrix.
In the middle of the prior art, scaling matrix and rotation matrix can be confirmed in several ways.For example, for the scaling matrix, because the difference at scaling center can be created out different scaling matrixes.Again for example, as shown in Figure 2, also there is multiple definite mode for rotation matrix in the middle of the prior art.The present invention can adopt existing scaling matrix and rotation matrix; But in view of the computing that need apply to matrix multiplication in the middle of the step S202, and the line number of the condition precedent of two matrix multiples to be matrix column numbers equal another matrix equates; So; The present invention adopts the different combinations matrix to confirm method, i.e. C=M * N or C=N * M according to the ranks difference of scaling matrix and rotation matrix.When scaling matrix and rotation matrix are n rank square formation, can adopt M * N or N * M, maybe be different though calculate the combinatorial matrix that obtains, final operating result can be identical.
Fig. 4 is the embodiment synoptic diagram of the combination touch method of convergent-divergent of the present invention and rotation; Fig. 4 enumerates out a simple instance; Embody principle of the present invention; Fig. 4 only as example can not represent of the present invention all, any improvement, be equal to replacement and all belong within protection scope of the present invention based on the principle of the invention.
Fig. 5 is the embodiment process flow diagram of the combination touch method of convergent-divergent of the present invention and rotation, compares with Fig. 3, and Fig. 5 is concrete enforcement refinement step process flow diagram.Further specify below in conjunction with Fig. 4, Fig. 5.
S201: calculate convergent-divergent central point, convergent-divergent multiple in real time.
S202: create definite scaling matrix according to said convergent-divergent central point and said convergent-divergent multiple.
S203: calculate rotary middle point, rotation radian in real time.
S204: confirm rotation matrix according to said rotary middle point and said rotation radian.
S205: said scaling matrix and said rotation matrix are calculated combinatorial matrix through matrix multiplication, use this combinatorial matrix to accomplish the operation of scaling and/or rotation.
Need to prove, create scaled matrix, create rotation matrix according to rotary middle point and rotation radian according to convergent-divergent central point and convergent-divergent multiple.Different with prior art is that in the middle of the single job track, existing scaling center or rotation center can not change.Only in the middle of next operation, resampling is just understood by system, confirms scaling matrix or rotation matrix again.And the present invention can calculate rotation center and scaling center in real time, and according to user's operation trace, said rotation center is not necessarily identical with said scaling center, can switch according to user's wish easily.Simple example is supposed as shown in Figure 2ly, and the rotation mode on the left side is referred to as 2 rotations, and the rotation mode on the right is referred to as the single-point rotation.So, the present invention can be in the middle of the single job track, realize amplifying and the operation of single-point rotation to dwindling and the effect of the operation of 2 rotations is switched.In like manner, also can realize the effect switching of similar functions.These all are that prior art is difficult to match in excellence or beauty.
Preferably, be how to carry out conversion below in conjunction with Fig. 4 description object P through the combinations thereof matrix.Vector point P can use coordinate figure (x, y, z, 1) expression, x wherein, and y, z represent the coordinate figure of X axle, Y axle, Z axle respectively, and wherein the Z axle is represented three-dimensional Z coordinate, and this example is an X-Y scheme, so Z gives certain steady state value 1.Be not difficult to find out that the present invention can expand to three-dimensional even high latitude more.
Given 1 P1 supposes starting point vector P1=(2,3,1,1) arbitrarily.Can know that from Fig. 4 this operation belongs to the single-point rotation, its mid point A (4,0) is a rotation center, and some B (4,2) is an initial point, and some C (0,0) is a terminal point.Because AC=2AB, so, can confirm originally to be operating as the operation of amplification and single-point rotation, wherein, enlargement factor is 2, the anglec of rotation is for being rotated counterclockwise 90 °.
In sum, scaled matrix M is among Fig. 4:
Rotation matrix N is:
, wherein=pi/2;
Some P2=P1 after making up so * (M * N); Calculate some P2=(4cos-3sin, 4sin+3 cons, 1,1), back.Object uses the some P2 after the combination to express can realize convergent-divergent and spinfunction.Preferably, the present invention confirms combinatorial matrix through scaling matrix and rotation matrix that the quadravalence square formation constitutes.
Fig. 6 is the synoptic diagram of the combination touching device of convergent-divergent of the present invention and rotation, comprising:
The scaling matrix is created the unit, is used for creating the scaling matrix according to the operation information of touch point;
Rotation matrix is created the unit, is used for creating rotation matrix according to the operation information of touch point;
Create the combinatorial matrix establishment unit that the unit links to each other respectively with said scaling matrix establishment unit, said rotation matrix, be used for said scaling matrix and said rotation matrix are calculated combinatorial matrix through matrix multiplication;
Create the Object Operations unit that the unit links to each other with said combinatorial matrix, be used to use the scaling of said combinatorial matrix completion object and/or the operation of rotation.
Create the unit like the said combinatorial matrix of Fig. 6, comprising:
The multiplying unit is used for when said scaling matrix column number equals the line number of said rotation matrix, said scaling matrix being multiply by said rotation matrix confirming combinatorial matrix; When the columns of said rotation matrix equals the line number of said scaling matrix, said rotation matrix multiply by said scaling matrix confirm combinatorial matrix.
Create the unit like the said scaling matrix of Fig. 6, comprising:
Scaling parameter unit is used to calculate convergent-divergent central point, convergent-divergent multiple;
Confirm the unit with the scaling that said scaling parameter unit links to each other, be used for confirming the scaling matrix according to said convergent-divergent central point and said convergent-divergent multiple.
Create the unit like the said rotation matrix of Fig. 6, comprising:
The rotation parameter unit is used to calculate rotary middle point, rotation radian;
Confirm the unit with the rotation that said rotation parameter unit links to each other, be used for confirming rotation matrix according to said rotary middle point and said rotation radian.
Fig. 7 is the synoptic diagram of the combination touch system of convergent-divergent of the present invention and rotation, comprising:
Touch point detection device is used for the motion track of real-time detected touch point;
The combination touching device of foregoing convergent-divergent and rotation, the combination touching device of this convergent-divergent and rotation also is used for making according to the real-time change of touch point motion track the conversion of corresponding scaling and/or rotation.
In the middle of prior art, convergent-divergent central point and rotary middle point all are changeless, and in the present invention, convergent-divergent central point and rotary middle point all can change at any time.So; Scaled matrix and rotation matrix are not simple combinations, but need be according to up-to-date touch information, calculate convergent-divergent central point and rotary middle point after the variation in real time; Scaled matrix and rotation matrix after will changing combine again, and form new combinatorial matrix.So the combination touch system of convergent-divergent of the present invention and rotation can be realized switching synchronously in real time of scaling and rotation easily, lets the user in controlling process, obtain more enjoyment.Therefore, multi-point touch technology of the present invention is expected to replace present employed keyboard, mouse, with the future trend that further embodies the hommization operating and controlling interface.
Through the description of above embodiment, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement through hardware.Based on such understanding; All or part of can the coming out that technical scheme of the present invention contributes to background technology with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (10)
1. the combination touch method of convergent-divergent and rotation is characterized in that, comprising:
Operation information according to the touch point is created scaling matrix and rotation matrix;
Said scaling matrix and said rotation matrix are calculated combinatorial matrix through matrix multiplication, use this combinatorial matrix to accomplish the operation of scaling and/or rotation.
2. the combination touch method of convergent-divergent according to claim 1 and rotation is characterized in that, said said scaling matrix and said rotation matrix is calculated the step of combinatorial matrix through matrix multiplication, comprising:
When said scaling matrix column number equals the line number of said rotation matrix, said scaling matrix multiply by said rotation matrix confirm combinatorial matrix.
3. the combination touch method of convergent-divergent according to claim 1 and rotation is characterized in that, said said scaling matrix and said rotation matrix is calculated the step of combinatorial matrix through matrix multiplication, comprising:
When the columns of said rotation matrix equals the line number of said scaling matrix, said rotation matrix multiply by said scaling matrix confirm combinatorial matrix.
4. according to the combination touch method of claim 2 or 3 described convergent-divergents and rotation, it is characterized in that the said step of obtaining the scaling matrix of object comprises:
Calculate convergent-divergent central point, convergent-divergent multiple;
Create definite scaling matrix according to said convergent-divergent central point and said convergent-divergent multiple.
5. according to the combination touch method of claim 2 or 3 described convergent-divergents and rotation, it is characterized in that the said step of obtaining the rotation matrix of object comprises:
Calculate rotary middle point, rotation radian;
Confirm rotation matrix according to said rotary middle point and said rotation radian.
6. the combination touching device of convergent-divergent and rotation is characterized in that, comprising:
The scaling matrix is created the unit, is used for creating the scaling matrix according to the operation information of touch point;
Rotation matrix is created the unit, is used for creating rotation matrix according to the operation information of touch point;
Create the combinatorial matrix establishment unit that the unit links to each other respectively with said scaling matrix establishment unit, said rotation matrix, be used for said scaling matrix and said rotation matrix are calculated combinatorial matrix through matrix multiplication;
Create the Object Operations unit that the unit links to each other with said combinatorial matrix, be used to use the scaling of said combinatorial matrix completion object and/or the operation of rotation.
7. the combination touching device of convergent-divergent according to claim 6 and rotation is characterized in that, said combinatorial matrix is created the unit, comprising:
The multiplying unit is used for when said scaling matrix column number equals the line number of said rotation matrix, said scaling matrix being multiply by said rotation matrix confirming combinatorial matrix; When the columns of said rotation matrix equals the line number of said scaling matrix, said rotation matrix multiply by said scaling matrix confirm combinatorial matrix.
8. the combination touching device of convergent-divergent according to claim 7 and rotation is characterized in that, said scaling matrix is created the unit, comprising:
Scaling parameter unit is used to calculate convergent-divergent central point, convergent-divergent multiple;
Confirm the unit with the scaling that said scaling parameter unit links to each other, be used for confirming the scaling matrix according to said convergent-divergent central point and said convergent-divergent multiple.
9. the combination touching device of convergent-divergent according to claim 7 and rotation is characterized in that, said rotation matrix is created the unit, comprising:
The rotation parameter unit is used to calculate rotary middle point, rotation radian;
Confirm the unit with the rotation that said rotation parameter unit links to each other, be used for confirming rotation matrix according to said rotary middle point and said rotation radian.
10. the combination touch system of convergent-divergent and rotation is characterized in that, comprising:
Touch point detection device is used for the motion track of real-time detected touch point;
Like the combination touching device of each described convergent-divergent of claim 6 to 9 and rotation, the combination touching device of this convergent-divergent and rotation also is used for making according to the real-time change of touch point motion track the conversion of corresponding scaling and/or rotation.
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| CN102520816B (en) | 2014-12-03 |
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