CN105488261A - Line segment real-time simulation method and apparatus - Google Patents
Line segment real-time simulation method and apparatus Download PDFInfo
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- CN105488261A CN105488261A CN201510830449.5A CN201510830449A CN105488261A CN 105488261 A CN105488261 A CN 105488261A CN 201510830449 A CN201510830449 A CN 201510830449A CN 105488261 A CN105488261 A CN 105488261A
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- G06F30/20—Design optimisation, verification or simulation
Abstract
The invention discloses a line segment real-time simulation method and apparatus, and belongs to the field of communications. The method comprises: determining two points on a screen in a Ventuz system; generating a two-dimensional rectangular model, and setting attributes of the model to match the length between the two points and angle coordinates of a polar coordinate system, so that a line segment taking the two points as end points can be simulated by the model; detecting whether the two points are moved or not in real time; and when it is detected that one or both of the two points are moved, adjusting the attributes of the model to match the length between the two points and the angle coordinates of the polar coordinate system after one or both of the two points are moved, so that the line segment after one or both of the end points are moved can be simulated by the model. The apparatus comprises a determination module, an initial simulation module, a detection module and a real-time simulation module. According to the line segment real-time simulation method and apparatus, the simulation of the line segment in the Ventuz system is realized and the problem of no line in the Ventuz system is solved.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method and apparatus of real time modelling line segment.
Background technology
Ventuz (Wei Tusi) is real-time picture material creation, an editor and broadcasts control software design.It is absorbed in the making of high-end audio-visual content, comprises professional displaying, video wall is installed, live scene shows and interaction, multiple point touching application and the field such as studio and broadcast.Ventuz designability is strong, easy to use, can be applicable to video wall, projection mapping, radio and television at wire wrapping, and can realize interactivity with nearly all interactive device and use.
In Ventuz system, do not have the concept of line, a lot of function is all completed by model and control etc.Therefore, how to utilize existing tool mould to draw up line segment to be a problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of method and apparatus of real time modelling line segment, to realize the simulation of Ventuz system neutral section.Described technical scheme is as follows:
On the one hand, the invention provides a kind of method of real time modelling line segment, described method comprises:
On screen, two points are determined in Ventuz system;
Generate a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points;
Whether described two points of real-time detection are moved;
When detect be moved a little in described two somes time, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment.
Wherein, the length described in the described attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points, comprising:
Obtain the coordinate of described two points, calculate the angle coordinate of length between described two points and described two some polar coordinate systems according to the coordinate of described two points;
The wide of described model is set to line width, the length of described model is set to the described length calculated, the polar coordinate system angle coordinate on two summits on long for described model limit is set to the described angle coordinate calculated, the line segment that to make described pattern die draw up with described two points be end points.
Wherein, calculate the length between described two points according to the coordinate of described two points, comprising:
The coordinate of Pythagorean theorem and described two points is utilized to calculate length between described two points.
Wherein, the described coordinate according to described two points calculates the angle coordinate of described two some polar coordinate systems, comprising:
The radian of described two points is calculated according to the coordinate of described two points;
The angle coordinate of described two some polar coordinate systems is calculated according to described radian.
Wherein, described method also comprises:
Described two points are placed the model of a specified size respectively, and mobile with the movement of described two points.
On the other hand, present invention also offers a kind of device of real time modelling line segment, described device comprises:
Determination module, for determining two points in Ventuz system on screen;
Primary simulation module, for generating a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points;
Whether detection module, be moved for detecting described two points in real time;
Real time modelling module, when being moved a little in described two points for detecting when described detection module, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment.
Wherein, described primary simulation module comprises:
Generation unit, for generating a two-dimensional rectangle model;
Computing unit, for obtaining the coordinate of described two points, calculates the angle coordinate of length between described two points and described two some polar coordinate systems according to the coordinate of described two points;
Setting unit, for the wide of described model is set to line width, the length of described model is set to the described length calculated, the polar coordinate system angle coordinate on two summits on long for described model limit is set to the described angle coordinate calculated, the line segment that to make described pattern die draw up with described two points be end points.
Wherein, described computing unit is used for:
The coordinate of Pythagorean theorem and described two points is utilized to calculate length between described two points.
Wherein, described computing unit is used for:
The radian of described two points is calculated according to the coordinate of described two points;
The angle coordinate of described two some polar coordinate systems is calculated according to described radian.
Wherein, described device also comprises:
Module is set, for placing the model of a specified size on described two points respectively, and mobile with the movement of described two points.
The beneficial effect that technical scheme provided by the invention is brought is: by determining two points in Ventuz system on screen; Generate a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points; Whether described two points of real-time detection are moved; When detect be moved a little in described two somes time, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment, achieve the simulation of Ventuz system neutral section, solve the problem not having line in Ventuz system.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram of the real time modelling line segment that one embodiment of the invention provides;
Fig. 2 is the method flow diagram of the real time modelling line segment that another embodiment of the present invention provides;
Fig. 3 is the effect schematic diagram of the real time modelling line segment that another embodiment of the present invention provides;
Fig. 4 is the effect schematic diagram of the real time modelling line segment that another embodiment of the present invention provides;
Fig. 5 is the structure drawing of device of the real time modelling line segment that another embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
See Fig. 1, one embodiment of the invention provides a kind of method of real time modelling line segment, comprising:
101: in Ventuz system, on screen, determine two points;
Wherein, described two points are any two points, only otherwise overlap, do not limit herein.
102: generate a two-dimensional rectangle model, the length between these two points of attributes match that this model is set and the angle coordinate of polar coordinate system, the line segment that to make this pattern die draw up with this two points be end points;
Wherein, two-dimensional rectangle model has the length of acquiescence and wide when initial, and concrete numerical value does not limit.In the present embodiment, the length of model is used for simulating line segment, the wide thickness being used for simulating line segment, i.e. width.
The length of attributes match two points and the angle coordinate of polar coordinate system of described model refer to that the length of model equals the length of two points, between two summits at model diagonal angle, the angle coordinate of polar coordinate system equals the angle coordinate of described two some polar coordinate systems, thus can ensure that this pattern die draws up the line segment between described two points.
103: detect these two points in real time and whether be moved;
Wherein, the movement of the judging point that whether can change by the coordinate detecting two points, comprising: the change of X-axis coordinate and/or the change of Y-axis coordinate.
104: when detect be moved a little in these two somes time, the length after the attributes match adjusting this model moves between these two points and the angle coordinate of polar coordinate system, make this model real time modelling go out end points be moved after this line segment.
Wherein, no matter be that a point is moved, or two points are moved simultaneously, all attributes of adjustment model in described two points.The attributes match of adjustment model moves the length of latter two point and the angle coordinate of polar coordinate system, thus the line segment simulated between these two points is stretched and/or rotates, and reaches the effect of real time modelling line segment.
In the present embodiment, optionally, this arranges the angle coordinate of length between these two points of attributes match of this model and polar coordinate system, and the line segment that to make this pattern die draw up with this two points be end points, comprising:
Obtain the coordinate of these two points, calculate the angle coordinate of length between these two points and these two some polar coordinate systems according to the coordinate of these two points;
The wide of this model is set to line width, the length of this model is set to this length calculated, the polar coordinate system angle coordinate on two summits on long for this model limit is set to this angle coordinate calculated, the line segment that to make this pattern die draw up with this two points be end points.
In the present embodiment, optionally, calculate the length between these two points according to the coordinate of these two points, comprising:
The coordinate of Pythagorean theorem and these two points is utilized to calculate length between these two points.
In the present embodiment, optionally, this calculates the angle coordinate of these two some polar coordinate systems according to the coordinate of these two points, comprising:
The radian of these two points is calculated according to the coordinate of these two points;
The angle coordinate of these two some polar coordinate systems is calculated according to this radian.
In the present embodiment, optionally, the method also comprises:
These two points are placed the model of a specified size respectively, and mobile with the movement of these two points.
The said method that the present embodiment provides, by determining two points in Ventuz system on screen; Generate a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points; Whether described two points of real-time detection are moved; When detect be moved a little in described two somes time, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment, achieve the simulation of Ventuz system neutral section, solve the problem not having line in Ventuz system.
See Fig. 2, another embodiment of the present invention provides a kind of method of real time modelling line segment, comprising:
201: in Ventuz system, on screen, determine two points;
202: generate a two-dimensional rectangle model;
203: the coordinate obtaining these two points, the angle coordinate of length between these two points and these two some polar coordinate systems is calculated according to the coordinate of these two points;
Wherein, calculate the length between these two points according to the coordinate of these two points, can comprise:
The coordinate of Pythagorean theorem and these two points is utilized to calculate length between these two points.
Such as, two point coordinate that screen is determined are respectively A (x1, y1), B (x2, y2), then calculate the length between these two points
Wherein, calculate the angle coordinate of these two some polar coordinate systems according to the coordinate of these two points, can comprise:
The radian of these two points is calculated according to the coordinate of these two points; The angle coordinate of these two some polar coordinate systems is calculated according to this radian.
Such as, two point coordinate that screen is determined are respectively A (x1, y1), B (x2, y2), Math.Acos method then can be utilized to obtain radian radian=Math.Acos [(x2-x1)/d], and wherein, d is the length between the above-mentioned AB calculated 2.Again this radian is converted into angle θ=180 ° * radian/ π, thus obtains the angular coordinate theta of two some AB polar coordinate systems.
204: the wide of this model is set to line width, the length of this model is set to this length calculated, the polar coordinate system angle coordinate on two summits on long for this model limit is set to this angle coordinate calculated, the line segment that to make this pattern die draw up with this two points be end points;
Wherein, line width can be arranged as required, and concrete numerical value does not limit.
205: detect these two points in real time and whether be moved;
206: when detect be moved a little in these two somes time, the length after the attributes match adjusting this model moves between these two points and the angle coordinate of polar coordinate system, make this model real time modelling go out end points be moved after this line segment.
Wherein, after the attribute of adjustment model, the length of this model equal mobile after the length of these two points, between two summits at model diagonal angle the angle coordinate of polar coordinate system equal mobile after the angle coordinate of these two some polar coordinate systems, thus can ensure that this model real time modelling goes out the line segment between described two points.If two points move rear length and become large, illustrate that line segment has been elongated, if length diminishes, then illustrate that line segment be have compressed.If the angle coordinate of two some polar coordinate systems does not become, then illustrate that line segment does not rotate, if the angle coordinate of two some polar coordinate systems changes, then illustrate that line segment there occurs rotation.
In the present embodiment, optionally, the method also comprises:
These two points are placed the model of a specified size respectively, and mobile with the movement of these two points.
Wherein, described specified size can be arranged as required, as being set to the fixing square of the length of side, or the fixing circle of radius etc., two mould shapes that described two points are placed can be identical, also can be different, do not limit herein.
See Fig. 3, it is the effect schematic diagram of the real time modelling line segment that another embodiment of the present invention provides.Wherein, the two-dimensional rectangle model generated when the figure of top is initial.The length of middle figure to be the length arranging this model be two points that screen is determined, and the width arranging model is the model obtained after line width.The figure of below is on the basis of the figure of centre, then by the model that two of this model obtain after being set to calculate the angle coordinate of the polar coordinate system of two points on screen to the angle coordinate of the polar coordinate system of angular vertex, namely simulates the line segment between these two points.
See Fig. 4, it is the effect schematic diagram of the real time modelling line segment that another embodiment of the present invention provides.Wherein, point 1 and 2 is two points determined on screen in Ventuz system, and calculates the length of point-to-point transmission and the angle coordinate of polar coordinate system according to the coordinate of point 1 and point 2.Generate a two-dimensional rectangular model, by long for this model length being set to the point-to-point transmission calculated, two of this model are set to the angle coordinate of the point-to-point transmission polar coordinate system calculated to the angle coordinate of the polar coordinate system of angular vertex, thus simulate the line segment a little between 1 and 2.And the wide line width for acquiescence of this line segment is set, usually thinner, as shown in the figure.Further, can also arrange a foursquare model respectively at the two ends of this line segment, respectively to put centered by 1 and point 2, and the length of side is equal, thus more attractive in appearance.Whether real-time check point 1 and 2 is moved, and detects and a little 1 moves to a little 3, and point 2 moves to a little 4, then calculate the angle coordinate of length a little between 3 and 4 and polar coordinate system according to the coordinate of point 3 and 4.The length of this rectangle model is being set to the length a little between 3 and 4, by the angle coordinate to the polar coordinate system between angular vertex of this rectangle model, be set to the angle coordinate of the polar coordinate system a little between 3 and 4, thus make this pattern die draw up line segment a little between 3 and 4.In addition, the square model on point 1 and 2 is also added into a little 3 and point 4 on, simulate the square also effect of movement along with the movement of point.Carry out all in real time owing to detecting and calculating, therefore, the line segment simulated also is movement thereupon two end points and dynamic change, reaches the effect of simulation point-to-point transmission line segment real-time dynamically.
The said method that the present embodiment provides, by determining two points in Ventuz system on screen; Generate a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points; Whether described two points of real-time detection are moved; When detect be moved a little in described two somes time, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment, achieve the simulation of Ventuz system neutral section, solve the problem not having line in Ventuz system.
See Fig. 5, another embodiment of the present invention provides a kind of device of real time modelling line segment, comprising:
Determination module 501, for determining two points in Ventuz system on screen;
Primary simulation module 502, for generating a two-dimensional rectangle model, the length between these two points of attributes match that this model is set and the angle coordinate of polar coordinate system, the line segment that to make this pattern die draw up with this two points be end points;
Whether detection module 503, be moved for detecting these two points in real time;
Real time modelling module 504, when being moved a little in these two points for detecting when this detection module, length after the attributes match adjusting this model moves between these two points and the angle coordinate of polar coordinate system, make this model real time modelling go out end points be moved after this line segment.
In the present embodiment, optionally, this primary simulation module comprises:
Generation unit, for generating a two-dimensional rectangle model;
Computing unit, for obtaining the coordinate of these two points, calculates the angle coordinate of length between these two points and these two some polar coordinate systems according to the coordinate of these two points;
Setting unit, for the wide of this model is set to line width, the length of this model is set to this length calculated, the polar coordinate system angle coordinate on two summits on long for this model limit is set to this angle coordinate calculated, the line segment that to make this pattern die draw up with this two points be end points.
In the present embodiment, optionally, this computing unit is used for:
The coordinate of Pythagorean theorem and these two points is utilized to calculate length between these two points.
In the present embodiment, optionally, this computing unit is used for:
The radian of these two points is calculated according to the coordinate of these two points;
The angle coordinate of these two some polar coordinate systems is calculated according to this radian.
In the present embodiment, optionally, this device also comprises:
Module is set, for placing the model of a specified size on these two points respectively, and mobile with the movement of these two points.
The said apparatus that the present embodiment provides can perform the method provided in above-mentioned either method embodiment, and detailed process is shown in the description in embodiment of the method, does not repeat herein.
The said apparatus that the present embodiment provides, by determining two points in Ventuz system on screen; Generate a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points; Whether described two points of real-time detection are moved; When detect be moved a little in described two somes time, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment, achieve the simulation of Ventuz system neutral section, solve the problem not having line in Ventuz system.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method for real time modelling line segment, is characterized in that, described method comprises:
On screen, two points are determined in Ventuz system;
Generate a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points;
Whether described two points of real-time detection are moved;
When detect be moved a little in described two somes time, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment.
2. method according to claim 1, is characterized in that, the length described in the described attributes match arranging described model between two points and the angle coordinate of polar coordinate system, and the line segment that to make described pattern die draw up with described two points be end points, comprising:
Obtain the coordinate of described two points, calculate the angle coordinate of length between described two points and described two some polar coordinate systems according to the coordinate of described two points;
The wide of described model is set to line width, the length of described model is set to the described length calculated, the polar coordinate system angle coordinate on two summits on long for described model limit is set to the described angle coordinate calculated, the line segment that to make described pattern die draw up with described two points be end points.
3. method according to claim 2, is characterized in that, calculates the length between described two points, comprising according to the coordinate of described two points:
The coordinate of Pythagorean theorem and described two points is utilized to calculate length between described two points.
4. method according to claim 2, is characterized in that, the described coordinate according to described two points calculates the angle coordinate of described two some polar coordinate systems, comprising:
The radian of described two points is calculated according to the coordinate of described two points;
The angle coordinate of described two some polar coordinate systems is calculated according to described radian.
5. method according to claim 1, is characterized in that, described method also comprises:
Described two points are placed the model of a specified size respectively, and mobile with the movement of described two points.
6. a device for real time modelling line segment, is characterized in that, described device comprises:
Determination module, for determining two points in Ventuz system on screen;
Primary simulation module, for generating a two-dimensional rectangle model, the length described in the attributes match that described model is set between two points and the angle coordinate of polar coordinate system, the line segment that to make described pattern die draw up with described two points be end points;
Whether detection module, be moved for detecting described two points in real time;
Real time modelling module, when being moved a little in described two points for detecting when described detection module, the attributes match adjusting described model moves the angle coordinate of length between rear described two points and polar coordinate system, make described model real time modelling go out end points be moved after described line segment.
7. device according to claim 6, is characterized in that, described primary simulation module comprises:
Generation unit, for generating a two-dimensional rectangle model;
Computing unit, for obtaining the coordinate of described two points, calculates the angle coordinate of length between described two points and described two some polar coordinate systems according to the coordinate of described two points;
Setting unit, for the wide of described model is set to line width, the length of described model is set to the described length calculated, the polar coordinate system angle coordinate on two summits on long for described model limit is set to the described angle coordinate calculated, the line segment that to make described pattern die draw up with described two points be end points.
8. device according to claim 7, is characterized in that, described computing unit is used for:
The coordinate of Pythagorean theorem and described two points is utilized to calculate length between described two points.
9. device according to claim 7, is characterized in that, described computing unit is used for:
The radian of described two points is calculated according to the coordinate of described two points;
The angle coordinate of described two some polar coordinate systems is calculated according to described radian.
10. device according to claim 6, is characterized in that, described device also comprises:
Module is set, for placing the model of a specified size on described two points respectively, and mobile with the movement of described two points.
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| CN201510830449.5A CN105488261B (en) | 2015-11-25 | 2015-11-25 | Method and device for simulating line segments in real time |
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| CN201510830449.5A CN105488261B (en) | 2015-11-25 | 2015-11-25 | Method and device for simulating line segments in real time |
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Citations (4)
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| US20060132495A1 (en) * | 2004-12-21 | 2006-06-22 | Anderson Michael H | 2D/3D line rendering using 3D rasterization algorithms |
| CN101051390A (en) * | 2007-05-15 | 2007-10-10 | 北京金山软件有限公司 | Method and system for simulating river |
| CN103854008A (en) * | 2012-12-04 | 2014-06-11 | 株式会社理光 | Road surface detection method and device |
| CN103940375A (en) * | 2014-04-14 | 2014-07-23 | 珠海金山网络游戏科技有限公司 | Angle measuring method and device and electronic equipment |
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2015
- 2015-11-25 CN CN201510830449.5A patent/CN105488261B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060132495A1 (en) * | 2004-12-21 | 2006-06-22 | Anderson Michael H | 2D/3D line rendering using 3D rasterization algorithms |
| CN101051390A (en) * | 2007-05-15 | 2007-10-10 | 北京金山软件有限公司 | Method and system for simulating river |
| CN103854008A (en) * | 2012-12-04 | 2014-06-11 | 株式会社理光 | Road surface detection method and device |
| CN103940375A (en) * | 2014-04-14 | 2014-07-23 | 珠海金山网络游戏科技有限公司 | Angle measuring method and device and electronic equipment |
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