CN105046727A - Generation method of product effect picture - Google Patents
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- CN105046727A CN105046727A CN201510347104.4A CN201510347104A CN105046727A CN 105046727 A CN105046727 A CN 105046727A CN 201510347104 A CN201510347104 A CN 201510347104A CN 105046727 A CN105046727 A CN 105046727A
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Abstract
The invention discloses a generation method of a product effect picture. The method is characterized by firstly, using three-dimensional modeling software to carry out modeling on a product; through the three-dimensional modeling software, acquiring bitmaps and vector diagrams of multiple visual angles of the product and importing into two-dimensional mapping software; matching the bitmaps with the vector diagrams in the two-dimensional mapping software; according to a matching result, carrying out merging and delete processing on the vector diagrams till that a closed area formed after the merging and the delete processing of the vector diagrams satisfies a two-dimensional effect filling requirement; then, according to a demand of a product effect picture, carrying out filling processing on the vector diagrams after the merging and delete processing; according to a light and shadow relation of the bitmaps, carrying out optimization and detail adjusting processing on a matched and corresponding vector diagram portion obtained through the merging and delete processing so as to generate a final product effect picture. By using the method in the invention, a requirement to computer configuration is not high; and an industrial design effect picture of the product can be rapidly, accurately and vividly realized. An advantage that modification and adjustment are simple is possessed.
Description
Technical field
The present invention relates to a kind of technical field of image processing of product industrial design design sketch, particularly a kind of generation method of Product Rendering.
Background technology
Product Rendering (design show figure) is that designer sets forth the key elements such as design object concrete form, structure, material, color and luster, carries out the important way of more deep exchange and conmmunication with the other side to other people; Meanwhile, be also that designer records the ideation of oneself, the important means of development creative plan.Each designer all wish can with the most directly, effective technique of expression the most true to nature expresses oneself design philosophy, and each client all wish just can to see before commodity production out commodity be shaped after effect.Traditional method is that designer adopts pen to carry out Freehandhand-drawing according to design, but the design sketch difficulty of Freehandhand-drawing product more greatly and very slow, and require that the fine arts grounding in basic skills of designer is high, therefore the efficiency of handpainted performance is lower, and the accuracy of design sketch also can be uneven because of the fine arts grounding in basic skills of designer.
Computer-aided design (CAD) as exchanging the new tool of design philosophy, new model adapted to the needs of the new period, paid attention to widely and applied.Computer-aided design (CAD) is in recent years due to the widespread use of computing machine, particularly vision and world of art application and emergence and development gets up.It is the digitizing creation centered by computing machine, its generation indicates in vision and Art Design field develop, a brand-new stage is entered, for designer, artist provide more wide space in design statement process from design means and design form aspect.
In the field of computer aided design of product industrial design, have two kinds to design the method expressed, one is carried out modeling by three-dimensional software and plays up, and a kind of is the process being carried out the drafting of product lines and effect by two-dimentional software always.(1) when using 3 d modeling software to carry out design show, the details of product is needed to do very careful, carry out when design sketch is played up very high and consuming time to the configuration requirement of computing machine simultaneously, and after design sketch has been played up, the detail modifications and the adjustment that need to carry out local are difficult to accomplish, mode general is at present imported in some image processing softwares by the design sketch after having played up to carry out a small amount of local and beautify.(2), when using two-dimensional graphics software to carry out design show, normally first drawn the profile of product and details by the curve editing instrument of software, this is also work quite loaded down with trivial details and consuming time.And maximum problem is when the curved surface lines of two-dimensional graphics Software on Drawing more complicated, is difficult to the accuracy ensureing each visual angle product feature lines, only can draws according to the experience of designer and to the understanding of Product Perspective relation.Simultaneously when the effect of carrying out two dimension is filled, be also be difficult to reach formed consistent with actual effect of shadow.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency, a kind of generation method of Product Rendering is provided, the method is not high for the configuration requirement of computing machine, and the generation realizing Product Rendering that can be quick, accurate and true to nature, there is the simple advantage of amendment adjustment.
Object of the present invention is achieved through the following technical solutions: a kind of generation method of Product Rendering, and step is as follows:
S1, employing 3 d modeling software carry out moulding modeling to product;
S2, from 3 d modeling software, product is derived the picture of bitmap format according to multiple visual angle;
S3, from 3 d modeling software, by the picture of the outline line of product according to multiple visual angles tractor bitmap-format;
The picture of the polar plot form obtained in S4, the picture of bitmap format obtained by step S2 and step S3 imports in two-dimensional graphics software respectively;
S5, in two-dimensional graphics software, the size for bitmap and polar plot is arranged according to the physical size of product, and on the bitmap polar plot at multiple visual angle being matched respectively corresponding multiple visual angle;
S6, in two-dimensional graphics software, carry out merging and deleting process for polar plot according to the matching result in step S5, until polar plot merges and the closed region that formed after deleting process meets two-dimensional effects and fills requirement;
S7, in two-dimensional graphics software, according to the demand of Product Rendering, filling process is carried out to the polar plot obtained in step S6, and be optimized by the corresponding polar plot part that step S6 obtains with its coupling according to the shadow relation of bitmap;
S8, basis carry out the adjustment of details to the polar plot after optimization to the requirement of Product Rendering, generate final Product Rendering.
Preferably, described step S2 Bitmap form is jpg form; In described step S3, polar plot form is wmf form.
Preferably, in described step S2 Bitmap manufacturing process, when the unconspicuous situation of angle of arrival feature, by arranging three-dimensional light with the feature of outstanding model.
Preferably, the optimization carried out polar plot part in described step S7 comprises and adds strong shadow, increase light efficiency and amendment color.
Preferably, in described step S8, the adjustment of polar plot details comprises according to carrying out trip bolt to the requirement of Product Rendering and adjusting the lines of polar plot.
Preferably, carry out merging treatment to polar plot in described step S6 to refer to: in two-dimensional graphics software the synthesis of the one end of two lines overlapped a bit, two lines are merged into a line, non-close wire frame in polar plot is merged, obtains the wire frame closed; Carry out delete processing to polar plot in described step S6 to refer to: in two-dimensional graphics software, lines unnecessary in polar plot are deleted.
Preferably, the picture of the bitmap format embodying product shadow relationship between light and dark is derived in described step S2 by 3 d modeling software.
Preferably, the picture that can embody the polar plot form of product minutia is derived by 3 d modeling software in described step S3.
Preferably, product is derived the picture of bitmap format in described step S2 from 3 d modeling software according to 6 visual angles, comprise the picture of the bitmap format of front elevation, rear view, vertical view, upward view, left view and right view; By the picture of the outline line of product according to 6 visual angle tractor bitmap-format in described step S3 3 d modeling software, comprise the picture of the polar plot form of front elevation, rear view, vertical view, upward view, left view and right view.
The present invention has following advantage and effect relative to prior art:
The present invention gets bitmap and the polar plot at the multiple visual angle of product by 3 d modeling software, and import in two-dimensional graphics software, at two-dimensional graphics software, bitmap and polar plot are mated, according to matching result, polar plot is merged and delete processing, until polar plot merges and deletes that the rear closed region formed of process meets two-dimensional effects and fills requirement; Then be combined and delete that the polar plot after process carries out filling process according to the demand of Product Rendering, and delete that process the corresponding polar plot part that obtain be optimized and details adjust process, to generate final Product Rendering by merging according to the shadow relation of bitmap to its coupling.The inventive method the method is not high for the configuration requirement of computing machine, and can be quick, accurate and true to nature realize the map generalization of product industrial design effect, have amendment adjustment simple advantage.Solve in prior art and utilize detail section in three-dimensional representation method to be difficult to the problem of refinement and redjustment and modification, and solve the problem that part curved surface in two-dimentional technique of expression is difficult to accurately performance, it is many and for the effect map generalization of the particularly important product of the performance of details to be very suitable for surface.
Accompanying drawing explanation
Fig. 1 is the generation method flow diagram that the present invention plants Product Rendering.
Fig. 2 a to 2f is front elevation, rear view, upward view, vertical view, right view and left view in hand-held set product bitmap respectively.
Fig. 3 a to 3f is front elevation, rear view, upward view, vertical view, right view and left view in hand-held set product polar plot respectively.
Fig. 4 a to 4f is that the polar plot at 6 visual angles of hand-held set product matches the front elevation, rear view, upward view, vertical view, right view and the left view that obtain on the bitmap at corresponding 6 visual angles respectively respectively.
Fig. 5 a to 5f is the front elevation of the polar plot of the hand-held set product obtained after strengthening shadow and local optimum, rear view, upward view, vertical view, right view and left view respectively.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
Present embodiment discloses a kind of generation method of Product Rendering, as shown in Figure 1, step is as follows:
S1, employing 3 d modeling software carry out moulding modeling to product.The 3 d modeling software adopted in the present embodiment is Proe, can certainly adopt other three modeling softwares such as Rhinoceros.
S2, from 3 d modeling software, product is derived the picture of bitmap format according to multiple visual angle; Bitmap format is jpg form, adopts white background, in bitmap manufacturing process, when the unconspicuous situation of angle of arrival feature, by arranging three-dimensional light with the feature of outstanding model.The bitmap that can embody product shadow relationship between light and dark is derived by 3 d modeling software.
In the present embodiment, the number at visual angle is six, is front elevation, rear view, vertical view, upward view, left view and right view respectively.Certainly according to different products, the number at visual angle also can be other numbers, for the product that some are relatively simple for structure, can adopt three visual angle figure.As shown in Fig. 2 a to 2f, when be product being respectively hand-held set, the front elevation in hand-held set bitmap, rear view, upward view, vertical view, right view and left view.
S3, from 3 d modeling software, by the picture of the outline line of product according to multiple visual angles tractor bitmap-format, wherein polar plot form is wmf form.The polar plot that can embody product minutia is derived by 3 d modeling software.Wherein the number at polar plot visual angle and the angle direction at visual angle consistent with bitmap.As shown in Fig. 3 a to 3f, be the front elevation in hand-held set polar plot, rear view, upward view, vertical view, right view and left view.
The picture of the polar plot form obtained in S4, the picture of bitmap format obtained by step S2 and step S3 imports in two-dimensional graphics software respectively.The two-dimensional graphics software adopted in the present embodiment is CorelDRAW, can certainly adopt other two-dimensional graphics softwares such as Photoshop.
S5, in two-dimensional graphics software, the size for bitmap and polar plot is arranged according to the physical size of product, and on the bitmap polar plot at multiple visual angle being matched respectively corresponding multiple visual angle.The result of this step coupling makes in two-dimensional graphics software, each visual angle polar plot is respectively on the bitmap at its corresponding visual angle, the part of product in bitmap is mapped respectively with the part in polar plot, bitmap and polar plot can be mated completely, make the accuracy of effect process in step S6, S7 and S8 higher by matching treatment.
As shown in Fig. 4 a to 4f, the polar plot at 6 visual angles of this step hand-held set matches the front elevation, rear view, upward view, vertical view, right view and the left view that obtain on the bitmap at corresponding 6 visual angles respectively.
S6, in two-dimensional graphics software, carry out merging and deleting process for polar plot according to the matching result in step S5, until polar plot merges and the closed region that formed after deleting process meets two-dimensional effects and fills requirement.Obtaining lines by this step is closed and the polar plot that can carry out effect filling.
Wherein carry out merging treatment to polar plot to refer to:, two lines are merged into a line, non-close wire frame in polar plot is merged, obtains the wire frame closed in two-dimensional graphics software the synthesis of the one end of two lines overlapped a bit; Carry out delete processing to polar plot to refer to: in two-dimensional graphics software, lines unnecessary in polar plot are deleted.It is that the lines ensured in polar plot are unique and closed that this step merges delete processing, to carry out filling process in S7.
S7, in two-dimensional graphics software, demand according to Product Rendering carries out filling process to the polar plot obtained in step S6, and be optimized by the corresponding polar plot part that step S6 obtains with its coupling according to the shadow relation of bitmap, the optimization wherein carried out polar plot part comprises and adds strong shadow, increase light efficiency and amendment color.The such as effect of certain zone bitmap of product is very flat, and the present embodiment by carrying out Gradually varied fill to the vector wire frame changing region, can highlight its shadow and hierarchical relationship, reaches optimum visual effect.As shown in Fig. 5 a to 5f, the front elevation of the polar plot at 6 visual angles of the hand-held set that this step obtains after strengthening shadow and local optimum, rear view, upward view, vertical view, right view and left view.
S8, basis carry out the adjustment of details to the polar plot after optimization to the requirement of Product Rendering, generate final Product Rendering.Wherein the adjustment of polar plot details comprises according to carrying out trip bolt to the requirement of Product Rendering and adjusting the lines of polar plot, meets and meet the design idea of designer with the design sketch making product final.
The present embodiment the said goods effect map generalization method is not high for the configuration requirement of computing machine, and can be quick, accurate and true to nature realize the map generalization of product industrial design effect, have the simple advantage of amendment adjustment, it is many and for the effect map generalization of the particularly important product of the performance of details to be very suitable for surface.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. a generation method for Product Rendering, it is characterized in that, step is as follows:
S1, employing 3 d modeling software carry out moulding modeling to product;
S2, from 3 d modeling software, product is derived the picture of bitmap format according to multiple visual angle;
S3, from 3 d modeling software, by the picture of the outline line of product according to multiple visual angles tractor bitmap-format;
The picture of the polar plot form obtained in S4, the picture of bitmap format obtained by step S2 and step S3 imports in two-dimensional graphics software respectively;
S5, in two-dimensional graphics software, the size for bitmap and polar plot is arranged according to the physical size of product, and on the bitmap polar plot at multiple visual angle being matched respectively corresponding multiple visual angle;
S6, in two-dimensional graphics software, carry out merging and deleting process for polar plot according to the matching result in step S5, until polar plot merges and the closed region that formed after deleting process meets two-dimensional effects and fills requirement;
S7, in two-dimensional graphics software, according to the demand of Product Rendering, filling process is carried out to the polar plot obtained in step S6, and be optimized by the corresponding polar plot part that step S6 obtains with its coupling according to the shadow relation of bitmap;
S8, basis carry out the adjustment of details to the polar plot after optimization to the requirement of Product Rendering, generate final Product Rendering.
2. the generation method of Product Rendering according to claim 1, is characterized in that, described step S2 Bitmap form is jpg form; In described step S3, polar plot form is wmf form.
3. the generation method of Product Rendering according to claim 1, is characterized in that, in described step S2 Bitmap manufacturing process, when the unconspicuous situation of angle of arrival feature, by arranging three-dimensional light with the feature of outstanding model.
4. the generation method of Product Rendering according to claim 1, is characterized in that, the optimization carried out polar plot part in described step S7 comprises and adds strong shadow, increase light efficiency and amendment color.
5. the generation method of Product Rendering according to claim 1, is characterized in that, in described step S8, the adjustment of polar plot details comprises according to carrying out trip bolt to the requirement of Product Rendering and adjusting the lines of polar plot.
6. the generation method of Product Rendering according to claim 1, it is characterized in that, carry out merging treatment to polar plot in described step S6 to refer to: in two-dimensional graphics software the synthesis of the one end of two lines overlapped a bit, two lines are merged into a line, non-close wire frame in polar plot is merged, obtains the wire frame closed; Carry out delete processing to polar plot in described step S6 to refer to: in two-dimensional graphics software, lines unnecessary in polar plot are deleted.
7. the generation method of Product Rendering according to claim 1, is characterized in that, is derived the picture of the bitmap format embodying product shadow relationship between light and dark in described step S2 by 3 d modeling software.
8. the generation method of Product Rendering according to claim 1, is characterized in that, is derived the picture of the polar plot form embodying product minutia in described step S3 by 3 d modeling software.
9. the generation method of Product Rendering according to any one of claim 1 to 8, it is characterized in that, product is derived the picture of bitmap format in described step S2 from 3 d modeling software according to 6 visual angles, comprise the picture of the bitmap format of front elevation, rear view, vertical view, upward view, left view and right view; By the picture of the outline line of product according to 6 visual angle tractor bitmap-format in described step S3 3 d modeling software, comprise the picture of the polar plot form of front elevation, rear view, vertical view, upward view, left view and right view.
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| CN108170138A (en) * | 2017-12-18 | 2018-06-15 | 深圳市奇虎智能科技有限公司 | Sweeper control method and device |
| CN108335158A (en) * | 2017-01-20 | 2018-07-27 | 上海吉会得实业有限公司 | A kind of display systems and its application method based on virtual vector outdoor scene |
| CN113392250A (en) * | 2021-06-30 | 2021-09-14 | 合肥高维数据技术有限公司 | Vector diagram retrieval method and system based on deep learning |
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Cited By (4)
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| CN108335158A (en) * | 2017-01-20 | 2018-07-27 | 上海吉会得实业有限公司 | A kind of display systems and its application method based on virtual vector outdoor scene |
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