CN102169594A - Method and device for realizing tweening animation in any region - Google Patents
Method and device for realizing tweening animation in any region Download PDFInfo
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- CN102169594A CN102169594A CN2010101164890A CN201010116489A CN102169594A CN 102169594 A CN102169594 A CN 102169594A CN 2010101164890 A CN2010101164890 A CN 2010101164890A CN 201010116489 A CN201010116489 A CN 201010116489A CN 102169594 A CN102169594 A CN 102169594A
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Abstract
The invention provides a method for realizing tweening animation in any region, and the method comprises the following steps: presetting a group of control points, and sequentially connecting the control points to obtain a predetermined region; obtaining a control point coordinate; performing the linear interpolation processing on one or multiple control points; and realizing the tweening animation effect on the position and shape of the predetermined region. By using the method for realizing tweening animation in any region, the tweening animation effect in any region is realized by performing the interpolation processing on the control points; and compared with the prior art in which the interpolation processing is required to be performed on each picture, the method provided by the invention is simple in process program.
Description
Technical field
The present invention relates to the animation design technique field, particularly relate to a kind of realization arbitrary region gradual change cartoon method and device.
Background technology
In weather forecast system, usually need to draw various gradation zones, for example sexual intercourse district, haze district etc.With the sexual intercourse district is example, in order to embody different (the raining heavily moderate rain under the fringe region as the central area) of central area and the sexual intercourse amount of fringe region, need do regional fade effect.In addition, because the sexual intercourse district is along with the conversion of time, its position, shape all may change, so, also need to do the gradual change animation of arbitrary region.
In order to realize the animation of regional change, generally the regional picture with a series of variations of occurrence positions in regular turn and change of shape carries out interpolation processing, just can realize the animation effect of regional location, shape in the prior art.In the prior art in order to realize the fade effect of central area and fringe region, also be that the situation of change of a series of these central areas and fringe region is made many pieces of picture, afterwards these pictures are carried out interpolation processing, just can realize the fade effect of central area and fringe region.
Adopt the interior center of variation and zone of existing techniques in realizing arbitrary region shape, position and the fade effect of fringe region to carry out interpolation processing to a series of picture, obtain this a series of pictures and need the time, carry out interpolation processing again and need the time again, consumed time is long like this, and the program of processing is also more loaded down with trivial details.
Summary of the invention
Technical matters to be solved by this invention provides a kind of realization arbitrary region gradual change cartoon method, can produce arbitrary region gradual change animation simply, efficiently.
In order to address the above problem, the invention discloses a kind of realization arbitrary region gradual change cartoon method, comprising:
Default one group of reference mark connects the reference mark in regular turn and to obtain a predeterminable area;
Obtain described reference mark coordinate;
One or more reference mark coordinate is done linear interpolation processing;
Realize the gradual change animation effect of predeterminable area position and shape.
Further, obtaining the reference mark coordinate comprises:
Making is with the identical dull and stereotyped grid model that has texture coordinate of predeterminable area size;
The predeterminable area that obtains is pasted on the dull and stereotyped grid model;
Correspondence finds the position of described reference mark on dull and stereotyped grid model;
Obtain the coordinate at reference mark.
Further, the reference mark is connected in regular turn obtain a predeterminable area after, also comprise and realize described regional center part gradual change animation:
Core color and transparency in the default described zone;
Described core color and transparency are done linear interpolation;
Realize the gradual change animation effect of core.
Further, default core color refers to the rgb value of default core.
Further, the core color being done linear interpolation comprises:
Three components to the rgb value of core are done linear interpolation respectively.
Further, the reference mark is connected in regular turn obtain a predeterminable area after, also comprise and realize described edges of regions part gradual change animation:
Default described regional inward flange part color and transparency;
Described marginal portion color and transparency are done linear interpolation;
Realize the gradual change animation effect of marginal portion.
Further, preset the rgb value that the marginal portion color refers to default marginal portion.
Further, the marginal portion color being done linear interpolation comprises: three components to the rgb value of marginal portion are done linear interpolation respectively.
The embodiment of the invention also provides a kind of device of realizing arbitrary region gradual change animation, comprising:
Point face unit is used for default one group of reference mark, the reference mark is connected in regular turn obtain a predeterminable area;
Acquiring unit is used to obtain described reference mark coordinate;
First processing unit is used for one or more reference mark coordinate is done linear interpolation processing; Realize the gradual change animation effect of predeterminable area position and shape.
Further, this device also comprises:
The unit is set, is used for core color and transparency in the default described zone;
Second processing unit is done linear interpolation to described core color and transparency; Realize the animation effect of core.
Compared with prior art, the present invention has the following advantages:
The realization arbitrary region gradual change cartoon method that provides among the inventive method embodiment, by interpolation processing is done at the reference mark, realized the gradual change animation effect of arbitrary region, in prior art, need do the method for interpolation processing for many pieces of picture, method handling procedure provided by the invention is simple.
Description of drawings
Fig. 1 is a kind of process flow diagram of realizing arbitrary region gradual change cartoon method embodiment one of the present invention;
Fig. 2 is a kind of process flow diagram of realizing obtaining among the arbitrary region gradual change cartoon method embodiment one the reference mark coordinate of the present invention;
Fig. 3 is a kind of process flow diagram of realizing arbitrary region gradual change cartoon method embodiment two of the present invention;
Fig. 4 is a kind of process flow diagram of realizing arbitrary region gradual change cartoon method embodiment three of the present invention;
Fig. 5 is the structural representation of apparatus of the present invention embodiment four;
Fig. 6 adopts the inventive method to realize arbitrary region gradual change animation effect figure.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Embodiment one
With reference to Fig. 1, show a kind of process flow diagram of realizing arbitrary region gradual change cartoon method embodiment one of the present invention, comprising:
After getting access to weather data, can get access to the positional information in relevant meteorology zone, for example can know which piece zone in a period of time, sleety weather has the variation of progressively strengthening, the variation in the regional sky that can rainyly clear up of which piece.According to the above-mentioned information of obtaining, in the band of position that gradual change weather occurs, choose a time period, in the zero-time position of this time period and the position of concluding time, two key frames are set.In the band of position scope of gradual change weather occurring, choose one group of reference mark, these reference mark are connected in regular turn obtain a gradation zone, the zone that just default needs are realized weather gradual change animation.
When implementing this step, specifically can obtain the reference mark coordinate as follows, referring to Fig. 2, comprising:
Method of interpolation claims " interpolation method " again.Utilize the functional value of function some points in certain interval, make suitable specific function, get given value on these aspects, with the value of this specific function approximate value as function, this method is called method of interpolation on other aspects in interval.If this specific function is a polynomial expression, just claim that it is an interpolation polynomial.Utilizing method of interpolation to choose coordinate points has multiple way of realization, and it belongs to the known technology field, and the present invention does not do qualification at this.
The invention described above embodiment by interpolation processing is done at the reference mark, has realized the gradual change animation effect of arbitrary region, in prior art, need do the method for interpolation processing for many pieces of picture, and method handling procedure provided by the invention is simple.
Adopt the method for the foregoing description one can realize the position of arbitrary region and the animation effect of shape, but in weather forecast, sometimes need to embody the different of center and marginal position sexual intercourse amount in certain zone, in weather forecast, need to realize the animation effect of center and marginal position sexual intercourse quantitative changeization in a period of time sometimes.The following examples have just provided how to realize center and marginal position gradual change cartoon method.
Embodiment two
With reference to Fig. 3, show a kind of process flow diagram of realizing arbitrary region gradual change cartoon method embodiment two of the present invention, comprising:
PathGradientBrush paintbrush function by using the GDI+ application software to provide can easily be provided with central point color and transparency.The color setting of core is to set by the parameter value of three amounts of RGB to realize, RGB is the parameter of expression color commonly used in the prior art, and the RGB span is 0-255 generally speaking, when RGB value 0, represent, be that R, G, three parameter values of B are that 0,0,0 o'clock color is the whitest; When RGB value 255, R, G, three parameter values of B are 255,255,255 o'clock, and the expression color is the most black.
Step 302 is done linear interpolation to selection area core color and transparency;
When implementing this step the core color is done linear interpolation, can do linear interpolation respectively to three components of R, G, B of the rgb value of core.
Top embodiment two has introduced gradual change animation how to realize core, also needs to realize the gradual change animation of predeterminable area marginal portion in weather forecast sometimes, so just can better demonstrate the weather condition of this regional center part with the marginal portion.Following embodiment three has provided, and how to realize marginal portion gradual change cartoon method.
Embodiment three
Referring to Fig. 4, realize that gradual change cartoon method in marginal portion can comprise:
Step 402 is done linear interpolation to described marginal portion color and transparency;
Step 403 realizes the gradual change animation effect of marginal portion.
The mode of each step specific implementation can repeat no more referring to the mode among the embodiment two.
Embodiment four
Referring to Fig. 5, the present invention also provides a kind of device of realizing arbitrary region gradual change animation, comprising:
Acquiring unit 502 is used to obtain described reference mark coordinate;
This device can also comprise:
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
More than to a kind of realization arbitrary region gradual change cartoon method provided by the present invention and device, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. realize arbitrary region gradual change cartoon method for one kind, it is characterized in that, comprising:
Default one group of reference mark connects the reference mark in regular turn and to obtain a predeterminable area;
Obtain described reference mark coordinate;
One or more reference mark coordinate is done linear interpolation processing;
Realize the gradual change animation effect of predeterminable area position and shape.
2. method according to claim 1 is characterized in that, the described reference mark coordinate that obtains comprises:
Making is with the identical dull and stereotyped grid model that has texture coordinate of predeterminable area size;
The predeterminable area that obtains is pasted on the dull and stereotyped grid model;
Correspondence finds the position of described reference mark on dull and stereotyped grid model;
Obtain the coordinate at reference mark.
3. method according to claim 1 is characterized in that, the reference mark is connected in regular turn obtain a predeterminable area after, also comprise and realize described regional center part gradual change animation:
Core color and transparency in the default described zone;
Described core color and transparency are done linear interpolation;
Realize the gradual change animation effect of core.
4. method according to claim 3 is characterized in that, described default core color refers to the rgb value of default core.
5. method according to claim 4 is characterized in that, describedly the core color is done linear interpolation comprises:
Three components to the rgb value of core are done linear interpolation respectively.
6. method according to claim 1 is characterized in that, the reference mark is connected in regular turn obtain a predeterminable area after, also comprise and realize described edges of regions part gradual change animation:
Default described regional inward flange part color and transparency;
Described marginal portion color and transparency are done linear interpolation;
Realize the gradual change animation effect of marginal portion.
7. method according to claim 3 is characterized in that, described default marginal portion color refers to the rgb value of default marginal portion.
8. method according to claim 7 is characterized in that, describedly the marginal portion color is done linear interpolation comprises:
Three components to the rgb value of marginal portion are done linear interpolation respectively.
9. a device of realizing arbitrary region gradual change animation is characterized in that, comprising:
Point face unit is used for default one group of reference mark, the reference mark is connected in regular turn obtain a predeterminable area;
Acquiring unit is used to obtain described reference mark coordinate;
First processing unit is used for one or more reference mark coordinate is done linear interpolation processing; Realize the gradual change animation effect of predeterminable area position and shape.
10. device according to claim 9 is characterized in that, also comprises:
The unit is set, is used for core color and transparency in the default described zone;
Second processing unit is done linear interpolation to described core color and transparency; Realize the animation effect of core.
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| CN2010101164890A CN102169594A (en) | 2010-02-26 | 2010-02-26 | Method and device for realizing tweening animation in any region |
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| CN2010101164890A CN102169594A (en) | 2010-02-26 | 2010-02-26 | Method and device for realizing tweening animation in any region |
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| CN104167009A (en) * | 2014-08-12 | 2014-11-26 | 厦门美图移动科技有限公司 | Animation effect implementation method |
| KR20150012291A (en) * | 2012-09-04 | 2015-02-03 | 시아오미 아이엔씨. | Animation playing method, device and apparatus |
| CN104700444A (en) * | 2015-03-10 | 2015-06-10 | 上海鸿利数码科技有限公司 | Achievement method of picture animation |
| CN106157349A (en) * | 2015-04-24 | 2016-11-23 | 苏宁云商集团股份有限公司 | The automatic generation method of a kind of motion tweening and automatic creation system |
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| KR20150012291A (en) * | 2012-09-04 | 2015-02-03 | 시아오미 아이엔씨. | Animation playing method, device and apparatus |
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| CN104700444A (en) * | 2015-03-10 | 2015-06-10 | 上海鸿利数码科技有限公司 | Achievement method of picture animation |
| CN106157349A (en) * | 2015-04-24 | 2016-11-23 | 苏宁云商集团股份有限公司 | The automatic generation method of a kind of motion tweening and automatic creation system |
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Application publication date: 20110831 |