CN103529994A - Virtual touch input method and location collecting device - Google Patents
Virtual touch input method and location collecting device Download PDFInfo
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- CN103529994A CN103529994A CN201310538266.7A CN201310538266A CN103529994A CN 103529994 A CN103529994 A CN 103529994A CN 201310538266 A CN201310538266 A CN 201310538266A CN 103529994 A CN103529994 A CN 103529994A
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Abstract
The invention provides a virtual touch input method and a location collecting device. The method comprises the steps that the three-dimensional space coordinates of the location collecting device are acquired, and the pressing state corresponding to the three-dimensional space coordinates on the location collecting device is obtained; according to the three-dimensional space coordinates of the location collecting device and a preset effective space plane, the two-dimensional plane coordinates perpendicularly projected on the effective space plane of the three-dimensional space coordinates of the location collecting device are obtained, and identifiable virtual touch input information is obtained and sent to a location application device to support the location application device to carry out corresponding virtual touch operations. The virtual touch input method and the locating collecting device enable the location application device without a touch screen to support the virtual touch operations, and do not consume extra cost.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of virtual touch input method and positioning acquisition equipment.
Background technology
At present, by touch-screen is carried out to touch operation, user can realize various functions with finger by touch operation easily.
Now, support that touch function has become the basic function that numerous equipment possesses, for example, existing smart mobile phone and ATM have all possessed the ability of supporting to touch input.Meanwhile, these equipment stock sizes that possess touch-screen are less, are not easy to watch or precisely operate, yet for some large scale equipment, because touch-screen cost is very high, so large scale equipment does not generally possess touch-screen, cause it cannot support touch input operation.
The problem that cannot support touch input operation for the above-mentioned equipment that does not possess touch-screen, does not also have corresponding technical solution scheme in prior art.
Summary of the invention
The invention provides a kind of virtual touch input method and positioning acquisition equipment, for the solution of supporting touch-input function on a kind of equipment not possessing touch-screen is provided.
On the one hand, the invention provides a kind of virtual touch input method, comprising:
Obtain the pressed state corresponding with described three dimensional space coordinate on the three dimensional space coordinate of positioning acquisition equipment and described positioning acquisition equipment;
Obtain and each end points in the territory, effective display area of position application equipment a plurality of three dimensional space coordinates of corresponding described positioning acquisition equipment respectively, described a plurality of three dimensional space coordinates are absolute coordinate space or with respect to the space coordinate of described initial point;
According to the three dimensional space coordinate of the described positioning acquisition equipment corresponding with each end points difference in territory, described effective display area, determine the useful space curved surface corresponding with territory, described effective display area, and according to the three dimensional space coordinate of described each end points of useful space curved surface, obtain the three dimensional space coordinate of each end points of useful space plane;
According to the three dimensional space coordinate of described each end points of useful space plane, obtain the two dimensional surface coordinate of described each end points of useful space plane in described useful space plane;
According to the three dimensional space coordinate of described positioning acquisition equipment and described useful space plane, the two dimensional surface coordinate of the three dimensional space coordinate vertical projection of obtaining described positioning acquisition equipment in described useful space plane;
Two dimensional surface coordinate according to described each end points of useful space plane in described useful space plane, two dimensional surface coordinate and described pressed state by described positioning acquisition equipment vertical projection in described useful space plane convert discernible virtual touch input message to, described virtual touch input message comprises the position of virtual touch point on pressed state and territory, described effective display area, described virtual touch point in the three dimensional space coordinate vertical projection of Yu Shang position, described effective display area and described positioning acquisition equipment the position of the two dimensional surface coordinate in described useful space plane in described useful space plane corresponding,
To described position application equipment, send described discernible virtual touch input message, to support described position application equipment to carry out corresponding virtual touch operation;
Wherein, the three dimensional space coordinate of described positioning acquisition equipment is absolute coordinate space or with respect to the space coordinate of initial point, and described initial point is for by the default reference point of described positioning acquisition equipment.
On the other hand, the invention provides a kind of positioning acquisition equipment, comprising:
Acquisition module, for obtaining the pressed state corresponding with described three dimensional space coordinate on the three dimensional space coordinate of positioning acquisition equipment and described positioning acquisition equipment;
Described acquisition module, also for obtaining and each end points in the territory, effective display area of position application equipment a plurality of three dimensional space coordinates of corresponding described positioning acquisition equipment respectively, described a plurality of three dimensional space coordinates are absolute coordinate space or with respect to the space coordinate of described initial point;
Processing module, for determining the useful space curved surface corresponding with territory, described effective display area according to the three dimensional space coordinate of the described positioning acquisition equipment corresponding with each end points difference in territory, described effective display area, and according to the three dimensional space coordinate of described each end points of useful space curved surface, obtain the three dimensional space coordinate of each end points of useful space plane;
Described processing module, also for obtaining the two dimensional surface coordinate of described each end points of useful space plane in described useful space plane according to the three dimensional space coordinate of described each end points of useful space plane;
Described processing module, also for according to the three dimensional space coordinate of described positioning acquisition equipment and described useful space plane, the two dimensional surface coordinate of the three dimensional space coordinate vertical projection of obtaining described positioning acquisition equipment in described useful space plane;
Described processing module, also for the two dimensional surface coordinate in described useful space plane according to described each end points of useful space plane, two dimensional surface coordinate and described pressed state by described positioning acquisition equipment vertical projection in described useful space plane convert discernible virtual touch input message to, described virtual touch input message comprises the position of virtual touch point on pressed state and territory, described effective display area, described virtual touch point in the three dimensional space coordinate vertical projection of Yu Shang position, described effective display area and described positioning acquisition equipment the position of the two dimensional surface coordinate in described useful space plane in described useful space plane corresponding,
Sending module, for sending described discernible virtual touch input message to described position application equipment, to support described position application equipment to carry out corresponding virtual touch operation;
Wherein, the three dimensional space coordinate of described positioning acquisition equipment is absolute coordinate space or with respect to the space coordinate of initial point, and described initial point is for by the default reference point of described positioning acquisition equipment.
The present invention is by by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in useful space plane and described pressed state convert discernible virtual touch input message to and send to position application equipment, so that the technical scheme that described position application equipment carries out virtual touch operation, make the position application equipment that does not possess touch-screen can support that by possessing the device of positioning function and pressing function virtual touch operates, do not need to expend extra cost.
Accompanying drawing explanation
The schematic flow sheet of the virtual touch input method that Fig. 1 provides for the embodiment of the present invention one;
The structural representation of the positioning acquisition equipment that Fig. 2 provides for the embodiment of the present invention two.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
The schematic flow sheet of the virtual touch input method that Fig. 1 provides for the embodiment of the present invention one, as shown in Figure 1, described method comprises:
101, obtain the pressed state corresponding with described three dimensional space coordinate on the three dimensional space coordinate of positioning acquisition equipment and described positioning acquisition equipment.
Concrete, the three dimensional space coordinate of described positioning acquisition equipment is absolute coordinate space or with respect to the space coordinate of initial point, and described initial point is for by the default reference point of described positioning acquisition equipment.
Wherein, the executive agent of above-mentioned steps can be for being provided with the described positioning acquisition equipment of processor, locating module, default interface and communication module, concrete, described in obtain positioning acquisition equipment three dimensional space coordinate can realize by the locating module on described positioning acquisition equipment, describedly obtain pressed state corresponding with described three dimensional space coordinate on positioning acquisition equipment and can realize by the default interface on described positioning acquisition equipment, specifically, pressed state on the default interface that described pressed state can provide for described positioning acquisition equipment, comprise down state and lifting status, for example, described in above-mentioned, default interface is the button being arranged on described positioning acquisition equipment, when described button is pressed, corresponding pressed state is down state, when described button is not pressed, corresponding pressed state is lifting status, present embodiment is not limited.Concrete, the pressed state corresponding with described three dimensional space coordinate is described positioning acquisition equipment while being positioned at locus corresponding to described three dimensional space coordinate, the pressed state at described default interface.
Optionally, in 101, by timer, periodically obtain the pressed state corresponding with described three dimensional space coordinate on the three dimensional space coordinate of positioning acquisition equipment and described positioning acquisition equipment, for example, it is 500 milliseconds that the described timer cycle is set, and the present embodiment is not limited at this.Optionally, described three dimensional space coordinate and described pressed state can represent by two tuples, and for example, the concrete form of described two tuples can be (three dimensional space coordinate, pressed state), and the present embodiment is not limited at this.Concrete, for example, the three dimensional space coordinate of the described positioning acquisition equipment getting at time point T is expressed as to P3(X(T), Y(T), Z(T)), the pressed state corresponding with described three dimensional space coordinate is expressed as 1 or 0, wherein 1 represents down state, 0 represents lifting status, for instance, if described two tuples are (P3((X(T), Y(T), Z(T)), 1), this two tuple is concrete represents that the three dimensional space coordinate of described positioning acquisition equipment is P3(X(T), Y(T), Z(T)), and corresponding pressed state is down state.
Optionally, by the joining day in above-mentioned two tuples, the described three dimensional space coordinate obtaining at each time point and pressed state and described time point can also be represented by tlv triple, for example, the concrete form of described tlv triple can be (three dimensional space coordinate, time, pressed state), the present embodiment is not limited at this.Concrete, for example, the three dimensional space coordinate of the described positioning acquisition equipment getting at time point T is expressed as to P3(X(T), Y(T), Z(T)), now corresponding pressed state is expressed as 1 or 0, wherein 1 represents down state, 0 represents lifting status, for instance, if described tlv triple is (P3(X(T), Y(T), Z(T)), T, 1), be designated as P3(T), P3(T) being specifically illustrated in the three dimensional space coordinate of positioning acquisition equipment described in time point T is P3(X(T), Y(T), Z(T)), and corresponding pressed state is down state.
By described two tuples or described tlv triple, can exactly the three dimensional space coordinate of described positioning acquisition equipment be carried out associated with the pressed state corresponding with it.
102, obtain and each end points in the territory, effective display area of position application equipment a plurality of three dimensional space coordinates of corresponding described positioning acquisition equipment respectively, described a plurality of three dimensional space coordinates are absolute coordinate space or with respect to the space coordinate of described initial point.
103 determine the useful space curved surface corresponding with territory, described effective display area according to the three dimensional space coordinate of the described positioning acquisition equipment corresponding with each end points difference in territory, described effective display area, and according to the three dimensional space coordinate of described each end points of useful space curved surface, obtain the three dimensional space coordinate of each end points of useful space plane.
Concrete, owing to might not guaranteeing that the described a plurality of three dimensional space coordinates that obtain are all in same plane in the practical operation of the process of a plurality of three dimensional space coordinates of corresponding described positioning acquisition equipment respectively obtaining with each end points in territory, described effective display area, be actual that obtain and territory, described effective display area each end points respectively the definite face of a plurality of three dimensional space coordinates of corresponding described positioning acquisition equipment be generally a limited curved surface, the i.e. useful space curved surface corresponding with territory, described effective display area, the curvature of described useful space curved surface conventionally can't be very large, according to described useful space curved surface, can obtain the useful space plane corresponding with territory, described effective display area, according to the three dimensional space coordinate of described each end points of useful space curved surface, obtain the three dimensional space coordinate of described each end points of useful space plane, thereby determine described useful space plane.
Concrete, for example, if territory, described effective display area is quadrilateral area, its upper left corner end points, upper right corner end points, lower left corner end points and lower right corner end points are designated as respectively LU, RU, LB and RB.
Obtain a plurality of three dimensional space coordinates of the described positioning acquisition equipment corresponding with above-mentioned each end points LU, RU, LB and RB difference, be the three dimensional space coordinate of each end points of useful space curved surface; According to the three dimensional space coordinate of described each end points of useful space curved surface, obtain the three dimensional space coordinate of each end points of useful space plane, thereby determine described useful space plane.Concrete, LU and RB determine line segment L1, LB and RU determine line segment L2; If the straight line at the straight line at L1 place and L2 place intersects, above-mentioned four end points are in same plane, described useful space plane is the definite finite plane of above-mentioned a plurality of three dimensional space coordinate, more specifically, LU is connected with LB and obtains line segment L3, LB and is connected with RB and obtains line segment L4, RB and be connected acquisition line segment L5, RU with RU and be connected acquisition line segment L6 with LU, and the finite plane of the sealing of L3, L4, L5 and L6 and encirclement thereof forms described useful space plane; If the straight line at the straight line at L1 place and L2 place is non-intersect, acquisition and the straight line at L1 and L2 place intersect at respectively A and B and with L1 and L2 mid point (being designated as M) of vertical line segment AB all, by L1 along AB translation, make the L1 process M after translation, by L2 along AB translation, make the L2 process M after translation, the L1 after translation and L2 intersect at M, and each end points of the L1 obtaining after translation and L2 is respectively LU ', RU ', LB ', RB ', according to the above-mentioned three dimensional space coordinate in conplane each end points, determine described useful space plane.It should be noted that, 201 and 202 can carry out before 101 or with 101 simultaneously, also can be after 101, carry out before 102, what in Fig. 2, provide is a kind of concrete embodiment in above-mentioned numerous embodiments, the present embodiment is not limited at this.
For instance, if described a plurality of three dimensional space coordinate is absolute coordinate space, and territory, described effective display area is quadrilateral area, and said process specifically comprises:
Obtain the three dimensional space coordinate of described positioning acquisition equipment corresponding to the upper left corner in territory, described effective display area, and be designated as P(LU) '=(X(LU), Y(LU), Z(LU));
Obtain the three dimensional space coordinate of described positioning acquisition equipment corresponding to the upper right corner in territory, described effective display area, and be designated as P(RU) '=(X(RU), Y(RU), Z(RU));
Obtain the three dimensional space coordinate of described positioning acquisition equipment corresponding to the lower left corner in territory, described effective display area, and be designated as P(LB) '=(X(LB), Y(LB), Z(LB));
Obtain the three dimensional space coordinate of described positioning acquisition equipment corresponding to the lower right corner in territory, described effective display area, and be designated as P(RB) '=(X(RB), Y(RB), Z(RB));
According to each end points in territory, above-mentioned and described effective display area respectively the three dimensional space coordinate of corresponding described positioning acquisition equipment determine described useful space curved surface, and the three dimensional space coordinate P(LU in same plane obtaining according to the three dimensional space coordinate of described each end points of useful space curved surface), P(RU), P(LB), P(RB) determine described useful space plane, and described useful space plane is designated as to F(0)=(P(LU), P(RU), P(LB), P(RB)).
For instance, if described a plurality of three dimensional space coordinate is space coordinate, and territory, described effective display area is quadrilateral area, and said process specifically comprises:
The upper left corner in territory, described effective display area is set as to initial point, accordingly, the three dimensional space coordinate of described positioning acquisition equipment corresponding to the upper left corner with territory, described effective display area is made as to the coordinate of described initial point, and be designated as P(LU) '=(X(LU), Y(LU), Z(LU)), optionally, X(LU)=Y(LU)=Z(LU)=0;
Mobile described positioning acquisition device is to the upper right corner of described viewing area, by calculating, obtain the three dimensional space coordinate of described positioning acquisition equipment corresponding to the upper right corner in territory, described effective display area, and be designated as P(RU) '=(X(RU), Y(RU), Z(RU));
Mobile described positioning acquisition device is to the lower left corner of described viewing area, by calculating, obtain the three dimensional space coordinate of described positioning acquisition equipment corresponding to the lower left corner in territory, described effective display area, and be designated as P(LB) '=(X(LB), Y(LB), Z(LB));
Mobile described positioning acquisition device is to the lower right corner of described viewing area, by calculating, obtain the three dimensional space coordinate of described positioning acquisition equipment corresponding to the lower right corner in territory, described effective display area, and be designated as P(RB) '=(X(RB), Y(RB), Z(RB));
According to each end points in territory, above-mentioned and described effective display area respectively the three dimensional space coordinate of corresponding described positioning acquisition equipment determine described useful space curved surface, and the three dimensional space coordinate P(LU in same plane obtaining according to the three dimensional space coordinate of described each end points of useful space curved surface), P(RU), P(LB), P(RB) determine described useful space plane, and described useful space plane is designated as to F(0)=(P(LU), P(RU), P(LB), P(RB)).
Wherein, the concrete grammar that calculates the three dimensional space coordinate with respect to described initial point of the positioning acquisition equipment that above-mentioned each end points is corresponding all to the present embodiment obtains described positioning acquisition equipment with respect to the space of described initial point, to sit calibration method similar by being arranged on three dimension acceleration sensor on described positioning acquisition equipment, does not repeat them here.
104,, according to the three dimensional space coordinate of described each end points of useful space plane, obtain the two dimensional surface coordinate of described each end points of useful space plane in described useful space plane.
Concrete, 104 can comprise: any that set in described useful space plane is plane initial point, be set in and all through described plane initial point and orthogonal two straight lines, be respectively abscissa axis and the axis of ordinates of the two-dimensional coordinate axle of described useful space plane in described useful space plane, and by described positioning acquisition equipment, obtain the three dimensional space coordinate of described plane initial point; The three dimensional space coordinate of described each end points of useful space plane, to described two-dimensional coordinate axle vertical projection, is obtained to the two dimensional surface coordinate of described each end points of useful space plane in described useful space plane.
More specifically, for example, if territory, described effective display area is quadrilateral area, its upper left corner end points, upper right corner end points, lower left corner end points and lower right corner end points are designated as respectively LU ', RU ', LB ' and RB '.Obtain described each end points LU ', RU ', after the three dimensional space coordinate of LB ' and RB ', preferably, default LU ' is plane initial point, the two dimensional surface coordinate of described plane initial point is preferably made as (0, 0), the definite straight line of LU ' and RU ' is made as X ' axle, the definite straight line of LU ' and LB ' is made as Y ' axle, if described two straight lines are not mutually vertically processed and are made described two straight lines mutually vertical it, X ' axle and Y ' axle form the two dimensional surface coordinate axis of described useful space plane, it should be noted, due in absolute three dimensional space coordinate axle, X, Y and Z-direction are absolute, therefore the described X ' of described useful space plane may be different with Y ' axle and described X-axis and the Y-axis of described three dimensional space coordinate axle, by the three dimensional space coordinate of described each end points of useful space plane respectively to described X ' and Y ' axle vertical projection, the arbitrary end points that obtains described useful space plane is projected in two three dimensional space coordinates on X ' axle and Y ' axle, according to the distance between described two three dimensional space coordinates and the three dimensional space coordinate of plane initial point LU ', be respectively abscissa value and the ordinate value of the two dimensional surface coordinate of this end points in described useful space plane, thereby obtain the two dimensional surface coordinate of this end points in described useful space plane.
105, according to the three dimensional space coordinate of described positioning acquisition equipment and described useful space plane, the two dimensional surface coordinate of the three dimensional space coordinate vertical projection of obtaining described positioning acquisition equipment in described useful space plane.
Concrete, when the three dimensional space coordinate in 101 is absolute coordinate space, described useful space plane is correspondingly also absolute useful space plane; Three dimensional space coordinate in 101 is space coordinate time, and described useful space plane is correspondingly also relative efficiency space plane.
Optionally, the described two dimensional surface coordinate obtaining in described useful space plane according to the described three dimensional space coordinate vertical projection of obtaining in 101 and described pressed state and the described time point corresponding with described three dimensional space coordinate also can represent by tlv triple, for example, at time point T, according to described three dimensional space coordinate P3(X(T), Y(T), Z(T)) vertical projection in described useful space plane, obtain two dimensional surface coordinate be P2(X ' (T), Y ' (T)), corresponding pressed state is 1, by described two dimensional surface coordinate, pressed state and time point are designated as tlv triple P2(T), and described P2(T) be specially (P2(X ' (T), Y ' (T)), T, 1).
Concrete, 105 can comprise: obtain through point corresponding to the three dimensional space coordinate of described positioning acquisition equipment and perpendicular to the three dimensional space coordinate of the straight line of described useful space plane and the intersection point of described useful space plane, the i.e. three dimensional space coordinate of the subpoint of the three dimensional space coordinate vertical projection of described positioning acquisition equipment in described useful space plane, according to plane initial point default in described useful space plane and two-dimensional coordinate axle, described subpoint is obtained to described subpoint to the abscissa axis of described two-dimensional coordinate axle and axis of ordinates vertical projection to be respectively projected in the three dimensional space coordinate on described abscissa axis and to be projected in the three dimensional space coordinate on described axis of ordinates, according to the distance between above-mentioned two three dimensional space coordinates and the three dimensional space coordinate of described plane initial point, be abscissa value and the ordinate value of the two dimensional surface coordinate of described subpoint in described useful space plane, thereby the two dimensional surface coordinate of the three dimensional space coordinate vertical projection that obtains described positioning acquisition equipment in described useful space plane.The particular content of wherein said plane initial point and two-dimensional coordinate axle is identical with the related content described in embodiment bis-, and the present embodiment does not repeat them here.In described projection process, for different described useful space planes, for example, described have efficiency flat with respect to the horizontal plane vertical, parallel or tilt to intersect etc., the X-axis coordinate figure X(T of described three dimensional space coordinate), Y-axis coordinate figure Y(T) with the X-axis coordinate figure X ' of described two dimensional surface coordinate (T), Y-axis coordinate figure Y ' (T) can be identical, can be not identical yet.
106, the two dimensional surface coordinate in described useful space plane according to described each end points of useful space plane, two dimensional surface coordinate and described pressed state by described positioning acquisition equipment vertical projection in described useful space plane convert discernible virtual touch input message to.
Concrete, described virtual touch input message can comprise the position of virtual touch point on pressed state and territory, described effective display area, described virtual touch point in the three dimensional space coordinate vertical projection of Yu Shang position, described effective display area and described positioning acquisition equipment the position of the two dimensional surface coordinate in described useful space plane in described useful space plane corresponding.
Optionally, as the enforceable a kind of mode of the present embodiment, in 106, described by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in described useful space plane and described pressed state convert discernible virtual touch input message to, specifically can comprise:
According to described useful space plane and predefined effective vertical range, obtain useful space region;
Detect described positioning acquisition equipment whether in described useful space region, if so, to described position application equipment, send described locating information.
Optionally, the described positioning acquisition equipment of described detection whether in described useful space region after, can also comprise: if not, to described position application equipment, do not send described locating information.
Wherein, the described useful space region that obtains is specially, along described useful space plane vertical direction, set an effective vertical range S(0), along described useful space curved surface vertical direction S(0) scope in be useful space region, for example, S(0) get 0.5 meter, the present embodiment is not limited at this.Therefore, the shape in described useful space region is corresponding with the shape of described useful space plane, if described useful space plane changes, the described useful space region obtaining according to described useful space plane also changes accordingly.
Optionally, if detect described positioning acquisition equipment not in described useful space region, all right: to described position application equipment, to send the information that shifts out, the described packets of information that shifts out is containing the default coordinate that shifts out, to inform described in described position application equipment that positioning acquisition equipment is not in described useful space region.For example, shift out coordinate for (1 ,-1) described in can presetting, optional, described coordinate information also can be preset as other coordinates of setting arbitrarily, and the present embodiment is not limited.Further, the information of shifting out can also comprise time and pressed state, represents alternatively with tlv triple, and the present embodiment does not repeat them here.
Concrete, whether the described positioning acquisition equipment of described detection in described useful space region, specifically comprises:
Whether the two dimensional surface coordinate of the three dimensional space coordinate vertical projection that detects described positioning acquisition equipment in described useful space plane be in described useful space plane;
Whether the vertical range detecting between described positioning acquisition equipment and described useful space plane is not more than described effective vertical range;
If the two dimensional surface coordinate of the three dimensional space coordinate vertical projection of described positioning acquisition equipment in described useful space plane is in described useful space plane, and described vertical range is not more than described effective vertical range, judge that described positioning acquisition equipment is in described useful space region; Otherwise, judge that described positioning acquisition equipment is not in described useful space region.
Whether present embodiment carries out corresponding operation by detecting described positioning acquisition equipment in described useful space region, has reduced unnecessary operation, realizes the raising of virtual touch input efficiency provided by the invention.
107, to described position application equipment, send described discernible virtual touch input message, to support described position application equipment to carry out corresponding virtual touch operation.
Concrete, described in 107, to described position application equipment, sending described discernible virtual touch input message can realize by the communication module on described positioning acquisition equipment.Wherein, the described protocol modes such as bluetooth or WLAN (wireless local area network) (Wireless Fidelity is called for short WIFI) that can pass through to described position application equipment transmission locating information are realized, and the present embodiment is not limited at this.
Optionally, as the optional a kind of embodiment of the present embodiment, in above-mentioned arbitrary embodiment, described three dimensional space coordinate is absolute coordinate space, described useful space plane is absolute useful space plane, and described useful space region is absolute useful space region; In 101, described in obtain positioning acquisition equipment three dimensional space coordinate specifically comprise: the absolute coordinate space that obtains described positioning acquisition equipment by being arranged on global position system GPS on described positioning acquisition equipment.
Wherein, described in obtain positioning acquisition equipment three dimensional space coordinate specifically also can realize by other locating modules that can obtain described positioning acquisition equipment absolute coordinate space on described positioning acquisition equipment, present embodiment is not limited at this.
Under present embodiment, the locating module on described positioning acquisition equipment is specially described GPS, and preferred, the spatial position precision of described GPS is accurate to millimeter, to support the effect of more excellent virtual touch operation.
Accordingly, under present embodiment, the method of obtaining described absolute useful space plane is: by described GPS, obtain and each end points in the territory, effective display area of described position application equipment a plurality of absolute three dimensional space coordinate of corresponding described positioning acquisition equipment respectively; According to the above-mentioned a plurality of absolute three dimensional space coordinate collecting, determine absolute useful space curved surface, and a plurality of absolute three dimensional space coordinate obtaining according to the absolute three dimensional space coordinate of described absolute each end points of useful space curved surface is determined the absolute useful space plane corresponding with territory, described effective display area.Under present embodiment, the method of obtaining absolute useful space region is: according to above-mentioned definite described absolute useful space plane, vertical direction along described absolute useful space plane is set an effective vertical range, as the vertical range in absolute useful space region, along being absolute useful space region in the scope of described effective vertical range of described absolute useful space plane vertical direction.
Present embodiment realizes the virtual touch input method described in above-mentioned arbitrary embodiment by obtaining the GPS device of the absolute coordinate space of described positioning acquisition equipment, make the position application equipment that does not possess touch-screen can support that with the device that possesses pressing function virtual touch operates by described GPS, do not need to expend extra cost.
Optionally, as the optional another kind of embodiment of the present embodiment, in above-mentioned arbitrary embodiment, described three dimensional space coordinate is the space coordinate with respect to described initial point, described useful space plane is the relative efficiency space plane with respect to described initial point, and described useful space region is the relative efficiency area of space with respect to described initial point; In 101, described in obtain positioning acquisition equipment three dimensional space coordinate specifically comprise: by the three dimension acceleration sensor being arranged on described positioning acquisition equipment, obtain described positioning acquisition equipment with respect to the space coordinate of described initial point; Wherein, described initial point is for passing through the default reference point of described positioning acquisition equipment.
Wherein, the described positioning acquisition equipment that obtains specifically also can be realized by other locating modules that can obtain the described space coordinate of described positioning acquisition equipment on described positioning acquisition equipment with respect to the space coordinate of described initial point, and present embodiment is not limited at this.Under present embodiment, locating module on described positioning acquisition equipment is specially described three dimension acceleration sensor, preferably, described three dimension acceleration sensor is by MEMS (micro electro mechanical system) (Micro-Electro-Mechanical Systems, be called for short MEMS) accelerometer (abbreviation, accelerometer) and being used in combination of two kinds of sensors of MEMS gyroscope, realize complete tracking and seizure to three-dimensional space motion.Wherein, described gyroscope can be measured the angular velocity moving along an axle or several axle; Described accelerometer is one of fundamental measurement element of inertial navigation and inertial guidance system, is an oscillatory system in essence, is installed on the inside of motion carrier, can be used for measuring the acceleration of motion of carrier.
Concrete, linearity (rectilinear motion) be described exactly and rotatablely move (having the motion of turning and changing), need respectively to realize by described gyroscope and described accelerometer.The described gyrostatic scheme of simple use can be used for needing high resolving power and rapid-action rotation to detect; The simple scheme of described accelerometer of using can be used for having fixing gravity reference coordinate system, having linearity or banking motion, but rotatablely move, is limited application within the specific limits.If but will process rectilinear motion and while rotatablely moving, the scheme that just need to use acceleration and gyroscope meter to be used in combination simultaneously.
Therefore, in the present embodiment, according to the initial velocity of the described positioning acquisition equipment of measuring by described three dimension acceleration sensor and acceleration, obtain described positioning acquisition equipment with respect to the space coordinate of described initial point.
Concrete, owing to can not obtain the absolute position of described positioning acquisition device under three dimensions by described three dimension acceleration sensor, so, described three dimension acceleration sensor obtains the space coordinate time of described positioning acquisition equipment, should first preset described initial point, for example, the upper left corner of default described useful space plane is initial point, optionally, also can be by described positioning acquisition equipment using other arbitrary positions as default reference point, present embodiment is not limited at this.
Therefore, under present embodiment 101 in, by being arranged on three dimension acceleration sensor on described positioning acquisition equipment, obtaining described positioning acquisition equipment and comprise with respect to the concrete grammar of the space coordinate of described initial point:
Suppose and time point T
ncorresponding, described positioning acquisition equipment is (X with respect to the space coordinate of described initial point
n, Y
n, Z
n), the average velocity on described three axles is respectively V
xn, V
yn, V
zn, wherein n is not less than zero integer.
Record reference point, i.e. described initial point, and the coordinate of default described initial point is (X
0, Y
0, Z
0), time point is T
0, in three-dimensional three directions, the average velocity on three axle X-axis, Y-axis and Z axis under three-dimensional coordinate is divided into V
x0, V
y0, V
z0, preferred, set X
0=Y
0=Z
0=0, T
0=0 second (s), V
x0=V
y0=V
z0=0 meter per second (m/s).Optionally, above-mentioned each setting value also can be set as other values, and present embodiment is not limited;
By the described three dimension acceleration sensor on described positioning acquisition equipment, gather, with time point T
n+1the acceleration of corresponding described positioning acquisition equipment moving is (A
xn+1, A
yn+1, A
zn+1), A wherein
xn+1, A
yn+1, A
zn+1be respectively the accekeration of described positioning acquisition equipment in X, Y, Z axis;
Obtain Δ T, wherein Δ T=T
n+1-T
n;
Obtain the displacement (S that described positioning acquisition equipment moves on described three axles
xn+1, S
yn+1, S
zn+1), wherein, S
xn+1=V
xn* Δ T+A
xn+1* Δ T* Δ T/2, S
yn+1=V
yn* Δ T+A
yn+1* Δ T* Δ T/2, S
zn+1=V
zn* Δ T+A
zn+1* Δ T* Δ T/2;
Obtain and described time point T
n+1the described space coordinate (X of corresponding described positioning acquisition equipment
n+1, Y
n+1, Z
n+1), X wherein
n+1=X
n+ S
xn+1, Y
n+1=Y
n+ S
yn+1, Z
n+1=Z
n+ S
zn+1.
Accordingly, under present embodiment, the method of obtaining described relative efficiency space plane is: according to above-mentioned, obtain described positioning acquisition equipment space and sit calibration method, by described three dimension acceleration sensor, obtain and each end points in the territory, effective display area of described position application equipment a plurality of relative three dimensional space coordinate of corresponding described positioning acquisition equipment respectively; According to the above-mentioned described a plurality of relative three dimensional space coordinates that obtain, determine the described relative efficiency space curved surface with respect to described initial point, and a plurality of relative three dimensional space coordinates with respect to described initial point that obtain according to the relative three dimensional space coordinate of described each end points of relative efficiency space curved surface are determined the relative efficiency space plane with respect to described initial point corresponding with territory, described effective display area.Under present embodiment, the method of obtaining described relative efficiency area of space is: according to above-mentioned definite described relative efficiency space plane, vertical direction along described relative efficiency space plane is set a vertical range, as effective vertical range of described relative efficiency area of space, along being described relative efficiency area of space in the scope of described effective vertical range of described relative efficiency space plane vertical direction.
Optionally, under present embodiment 107 in, the three dimensional space coordinate that the described trigger condition that sends described discernible virtual touch input message to described position application equipment can be set as described positioning acquisition equipment changes or pressed state changes.
Present embodiment realizes the virtual touch input method described in above-mentioned arbitrary embodiment by obtaining described positioning acquisition equipment with respect to the three dimension acceleration sensor of the space coordinate of default initial point, make the position application equipment that does not possess touch-screen can support that by described three dimension acceleration sensor and the device that possesses pressing function virtual touch operates, do not need to expend extra cost.
In practical application, before carrying out above-mentioned arbitrary virtual touch input method, needing first to start can the corresponding relevant device connecting, starting can corresponding described positioning acquisition equipment and the described position application equipment connecting, wherein said startup relevant device can manually boot by user, for example, by user, manually booting can corresponding described positioning acquisition equipment and the described position application equipment connecting, also can automatically start by equipment, concrete, the described parameter that need to first configure described positioning acquisition equipment and described position application equipment by the automatic startup of equipment, so that described positioning acquisition equipment can corresponding be connected with described position application equipment, concrete example, if described positioning acquisition equipment and described position application equipment are all supported identical Bluetooth protocol, can be by the certain Bluetooth protocol of configuration, make described positioning acquisition equipment and described position application equipment correspondence be connected and start, described connection can be by realizations such as WIFI or Bluetooth protocols, by above-mentioned configuration, when the either party in described positioning acquisition equipment and described position application equipment starts, by above-mentioned configuration, just can send to the opposing party that can connection corresponding to it and start request, thereby described the opposing party is started according to described startup request, and then realize the automatic startup of equipment.
The virtual touch input method that the present embodiment provides, by by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in useful space plane and described pressed state convert discernible virtual touch input message to and send to position application equipment, so that the technical scheme that described position application equipment carries out virtual touch operation, make the position application equipment that does not possess touch-screen can support that by possessing the device of positioning function and pressing function virtual touch operates, do not need to expend extra cost.
The structural representation of the positioning acquisition equipment that Fig. 2 provides for the embodiment of the present invention two, as shown in Figure 2, described positioning acquisition equipment comprises:
Sending module 23, for sending described discernible virtual touch input message to described position application equipment, to support described position application equipment to carry out corresponding virtual touch operation;
Wherein, the three dimensional space coordinate of described positioning acquisition equipment is absolute coordinate space or with respect to the space coordinate of initial point, and described initial point is for by the default reference point of described positioning acquisition equipment.
Concrete, acquisition module 21 can be the locating module on described positioning acquisition equipment; Processing module 22 can be the processor on described positioning acquisition equipment; Sending module 23 can be the communication module on described positioning acquisition equipment.
Optionally, as the enforceable a kind of mode of the present embodiment, processing module 22 specifically can comprise:
Acquiring unit, for according to described useful space plane and predefined effective vertical range, obtains useful space region;
Processing unit, for detection of described positioning acquisition equipment whether in described useful space region, if so, by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in described useful space plane and described pressed state convert discernible virtual touch input message to.
Concrete, described processing unit specifically comprises:
The first detection sub-unit, whether the two dimensional surface coordinate for detection of the three dimensional space coordinate vertical projection of described positioning acquisition equipment in described useful space plane is in described useful space plane;
Whether the second detection sub-unit, be not more than described effective vertical range for detection of the vertical range between described positioning acquisition equipment and described useful space plane;
Judge subelement, if the two dimensional surface coordinate for the three dimensional space coordinate vertical projection of described positioning acquisition equipment in described useful space plane is in described useful space plane, and described vertical range is not more than described effective vertical range, judge that described positioning acquisition equipment is in described useful space region; Otherwise, judge that described positioning acquisition equipment is not in described useful space region.
Optionally, as the optional a kind of embodiment of the present embodiment, in above-mentioned arbitrary embodiment, described three dimensional space coordinate is absolute coordinate space, described useful space plane is absolute useful space plane, and described useful space region is absolute useful space region; Acquisition module 21 is specifically for obtaining the absolute coordinate space of described positioning acquisition equipment by being arranged on global position system GPS on described positioning acquisition equipment.
Optionally, as the optional another kind of embodiment of the present embodiment, in above-mentioned arbitrary embodiment, described three dimensional space coordinate is the space coordinate with respect to described initial point, described useful space plane is the relative efficiency space plane with respect to described initial point, and described useful space region is the relative efficiency area of space with respect to described initial point; Acquisition module 21 obtains described positioning acquisition equipment with respect to the space coordinate of described initial point specifically for the three dimension acceleration sensor by being arranged on described positioning acquisition equipment.
The positioning acquisition equipment that the present embodiment provides, by by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in useful space plane and described pressed state convert discernible virtual touch input message to and send to position application equipment, so that the technical scheme that described position application equipment carries out virtual touch operation, make the position application equipment that does not possess touch-screen can support that by possessing the device of positioning function and pressing function virtual touch operates, do not need to expend extra cost.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the equipment of foregoing description, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of programmed instruction.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a virtual touch input method, is characterized in that, comprising:
Obtain the pressed state corresponding with described three dimensional space coordinate on the three dimensional space coordinate of positioning acquisition equipment and described positioning acquisition equipment;
Obtain and each end points in the territory, effective display area of position application equipment a plurality of three dimensional space coordinates of corresponding described positioning acquisition equipment respectively, described a plurality of three dimensional space coordinates are absolute coordinate space or with respect to the space coordinate of described initial point;
According to the three dimensional space coordinate of the described positioning acquisition equipment corresponding with each end points difference in territory, described effective display area, determine the useful space curved surface corresponding with territory, described effective display area, and according to the three dimensional space coordinate of described each end points of useful space curved surface, obtain the three dimensional space coordinate of each end points of useful space plane;
According to the three dimensional space coordinate of described each end points of useful space plane, obtain the two dimensional surface coordinate of described each end points of useful space plane in described useful space plane;
According to the three dimensional space coordinate of described positioning acquisition equipment and described useful space plane, the two dimensional surface coordinate of the three dimensional space coordinate vertical projection of obtaining described positioning acquisition equipment in described useful space plane;
Two dimensional surface coordinate according to described each end points of useful space plane in described useful space plane, two dimensional surface coordinate and described pressed state by described positioning acquisition equipment vertical projection in described useful space plane convert discernible virtual touch input message to, described virtual touch input message comprises the position of virtual touch point on pressed state and territory, described effective display area, described virtual touch point in the three dimensional space coordinate vertical projection of Yu Shang position, described effective display area and described positioning acquisition equipment the position of the two dimensional surface coordinate in described useful space plane in described useful space plane corresponding,
To described position application equipment, send described discernible virtual touch input message, to support described position application equipment to carry out corresponding virtual touch operation;
Wherein, the three dimensional space coordinate of described positioning acquisition equipment is absolute coordinate space or with respect to the space coordinate of initial point, and described initial point is for by the default reference point of described positioning acquisition equipment.
2. method according to claim 1, is characterized in that, described by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in described useful space plane and described pressed state convert discernible virtual touch input message to, specifically comprise:
According to described useful space plane and predefined effective vertical range, obtain useful space region;
Detect described positioning acquisition equipment whether in described useful space region, if so, by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in described useful space plane and described pressed state convert discernible virtual touch input message to.
3. method according to claim 2, is characterized in that, whether the described positioning acquisition equipment of described detection in described useful space region, comprising:
Whether the two dimensional surface coordinate of the three dimensional space coordinate vertical projection that detects described positioning acquisition equipment in described useful space plane be in described useful space plane;
Whether the vertical range detecting between described positioning acquisition equipment and described useful space plane is not more than described effective vertical range;
If the two dimensional surface coordinate of the three dimensional space coordinate vertical projection of described positioning acquisition equipment in described useful space plane is in described useful space plane, and described vertical range is not more than described effective vertical range, judge that described positioning acquisition equipment is in described useful space region; Otherwise, judge that described positioning acquisition equipment is not in described useful space region.
4. according to the method described in any one in claim 1-3, it is characterized in that, described three dimensional space coordinate is absolute coordinate space, and described useful space plane is absolute useful space plane, and described useful space region is absolute useful space region; The described three dimensional space coordinate that obtains positioning acquisition equipment specifically comprises:
By being arranged on global position system GPS on described positioning acquisition equipment, obtain the absolute coordinate space of described positioning acquisition equipment.
5. according to the method described in any one in claim 1-3, it is characterized in that, described three dimensional space coordinate is the space coordinate with respect to described initial point, described useful space plane is the relative efficiency space plane with respect to described initial point, and described useful space region is the relative efficiency area of space with respect to described initial point; The described three dimensional space coordinate that obtains positioning acquisition equipment specifically comprises:
By the three dimension acceleration sensor being arranged on described positioning acquisition equipment, obtain described positioning acquisition equipment with respect to the space coordinate of described initial point.
6. a positioning acquisition equipment, is characterized in that, comprising:
Acquisition module, for obtaining the pressed state corresponding with described three dimensional space coordinate on the three dimensional space coordinate of positioning acquisition equipment and described positioning acquisition equipment;
Described acquisition module, also for obtaining and each end points in the territory, effective display area of position application equipment a plurality of three dimensional space coordinates of corresponding described positioning acquisition equipment respectively, described a plurality of three dimensional space coordinates are absolute coordinate space or with respect to the space coordinate of described initial point;
Processing module, for determining the useful space curved surface corresponding with territory, described effective display area according to the three dimensional space coordinate of the described positioning acquisition equipment corresponding with each end points difference in territory, described effective display area, and according to the three dimensional space coordinate of described each end points of useful space curved surface, obtain the three dimensional space coordinate of each end points of useful space plane;
Described processing module, also for obtaining the two dimensional surface coordinate of described each end points of useful space plane in described useful space plane according to the three dimensional space coordinate of described each end points of useful space plane;
Described processing module, also for according to the three dimensional space coordinate of described positioning acquisition equipment and described useful space plane, the two dimensional surface coordinate of the three dimensional space coordinate vertical projection of obtaining described positioning acquisition equipment in described useful space plane;
Described processing module, also for the two dimensional surface coordinate in described useful space plane according to described each end points of useful space plane, two dimensional surface coordinate and described pressed state by described positioning acquisition equipment vertical projection in described useful space plane convert discernible virtual touch input message to, described virtual touch input message comprises the position of virtual touch point on pressed state and territory, described effective display area, described virtual touch point in the three dimensional space coordinate vertical projection of Yu Shang position, described effective display area and described positioning acquisition equipment the position of the two dimensional surface coordinate in described useful space plane in described useful space plane corresponding,
Sending module, for sending described discernible virtual touch input message to described position application equipment, to support described position application equipment to carry out corresponding virtual touch operation;
Wherein, the three dimensional space coordinate of described positioning acquisition equipment is absolute coordinate space or with respect to the space coordinate of initial point, and described initial point is for by the default reference point of described positioning acquisition equipment.
7. positioning acquisition equipment according to claim 6, is characterized in that, described processing module specifically comprises:
Acquiring unit, for according to described useful space plane and predefined effective vertical range, obtains useful space region;
Processing unit, for detection of described positioning acquisition equipment whether in described useful space region, if so, by described positioning acquisition equipment vertical projection, the two dimensional surface coordinate in described useful space plane and described pressed state convert discernible virtual touch input message to.
8. positioning acquisition equipment according to claim 7, is characterized in that, described the first processing unit specifically comprises:
The first detection sub-unit, whether the two dimensional surface coordinate for detection of the three dimensional space coordinate vertical projection of described positioning acquisition equipment in described useful space plane is in described useful space plane;
Whether the second detection sub-unit, be not more than described effective vertical range for detection of the vertical range between described positioning acquisition equipment and described useful space plane;
Judge subelement, if the two dimensional surface coordinate for the three dimensional space coordinate vertical projection of described positioning acquisition equipment in described useful space plane is in described useful space plane, and described vertical range is not more than described effective vertical range, judge that described positioning acquisition equipment is in described useful space region; Otherwise, judge that described positioning acquisition equipment is not in described useful space region.
9. according to the positioning acquisition equipment described in any one in claim 6-8, it is characterized in that, described three dimensional space coordinate is absolute coordinate space, and described useful space plane is absolute useful space plane, and described useful space region is absolute useful space region; Described acquisition module is specifically for obtaining the absolute coordinate space of described positioning acquisition equipment by being arranged on global position system GPS on described positioning acquisition equipment.
10. according to the positioning acquisition equipment described in any one in claim 6-8, it is characterized in that, described three dimensional space coordinate is the space coordinate with respect to described initial point, described useful space plane is the relative efficiency space plane with respect to described initial point, and described useful space region is the relative efficiency area of space with respect to described initial point; Described acquisition module obtains described positioning acquisition equipment with respect to the space coordinate of described initial point specifically for the three dimension acceleration sensor by being arranged on described positioning acquisition equipment.
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