CN105046727B - A kind of generation method of Product Rendering - Google Patents
A kind of generation method of Product Rendering Download PDFInfo
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- CN105046727B CN105046727B CN201510347104.4A CN201510347104A CN105046727B CN 105046727 B CN105046727 B CN 105046727B CN 201510347104 A CN201510347104 A CN 201510347104A CN 105046727 B CN105046727 B CN 105046727B
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Abstract
The present invention discloses a kind of generation method of Product Rendering, moulding modeling is carried out to product using 3 d modeling software first, the bitmap and polar plot at the multiple visual angles of product are got by 3 d modeling software, and it imported into two-dimensional graphicses software, bitmap and polar plot are matched in two-dimensional graphicses software, polar plot is merged according to matching result and delete processing, meet that two-dimensional effects filling requires until polar plot merges and deleted the closed area formed after processing；Then processing is filled to the polar plot after merging and deleting processing according to the demand of Product Rendering, and it is matched according to the shadow relation pair of bitmap and delete that the obtained corresponding polar plot part of processing is optimized and details adjustment is handled by merging, generate final Product Rendering.The inventive method this method is not high for the configuration requirement of computer, and can be quick, accurate and true to nature realize product industrial design effect map generalization, have modification adjustment it is simple the advantages of.
Description
Technical field
The present invention relates to a kind of technical field of image processing of product industrial design design sketch, more particularly to a kind of product effect
Fruit map generalization method.
Background technology
Product Rendering (design performance figure) be designer to other people illustrate design object concrete form, construction, material,
The key elements such as color and luster, with other side carry out deeper into exchange and conmmunication important way；Meanwhile and designer record the structure of oneself
Ponder over one's mistakes journey, develop creative plan important means.Each designer is intended to that effective performance side most direct, most true to nature can be used
Method expresses the design philosophy of oneself, and each client is desirable in before commodity production out just it can be seen that commodity shape
Effect afterwards.Traditional method is designer carries out Freehandhand-drawing according to design using pen, but the design sketch difficulty of Freehandhand-drawing product compared with
It is big and very slow, and require that the fine arts grounding in basic skills of designer is high, therefore handpainted performance is less efficient, and design sketch
The degree of accuracy as the fine arts grounding in basic skills of designer and it is uneven.
CAD has adapted to the needs of the new period as the exchange new tool of design philosophy, new model, by
It is extensive to pay attention to and apply.CAD is in recent years due to the extensive use of computer, particularly in vision and skill
The application in art field and produce and grow up.It is the digitlization creation centered on computer, and its generation indicates
Vision in terms of design meanses and design form with the development of Art Design field, entering a brand-new stage, for design
Teacher, artist provide broader space during design is stated.
In the field of computer aided design of product industrial design, there are the method that two kinds of designs are expressed, Yi Zhongshi always
It is modeled and is rendered by three-dimensional software, a kind of is to carry out the drafting of product lines and the processing of effect by two-dimentional software.(1)
, it is necessary to which the details of product is made very careful when being designed performance using 3 d modeling software, while carry out design sketch and render
When it is very costly and time consuming to the configuration requirement of computer, and repaiied after design sketch renders completion, it is necessary to carry out local details
It is difficult to accomplish to change and adjust, and universal mode is that the design sketch after the completion of rendering is imported into some image procossings is soft at present
A small amount of local beautification is carried out in part.(2) when being designed performance using two-dimensional graphicses software, typically by the curve of software
Edit tool is first drawn to the profile and details of product, and this is also quite cumbersome and time-consuming work.And maximum
Problem is in the more complicated curved surface lines of two-dimensional graphicses Software on Drawing, it is difficult to ensure that each visual angle product feature lines
Accuracy, it is only capable of being drawn according to the experience of designer and the understanding to Product Perspective relation.Carrying out the effect of two dimension simultaneously
When fruit is filled, and it is extremely difficult to be formed unanimously with actual effect of shadow.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art and deficiency, there is provided a kind of generation side of Product Rendering
Method, this method is not high for the configuration requirement of computer, and can be quick, accurate and true to nature the life for realizing Product Rendering
Into, have modification adjustment it is simple the advantages of.
The purpose of the present invention is achieved through the following technical solutions：A kind of generation method of Product Rendering, step are as follows：
S1, using 3 d modeling software to product carry out moulding modeling；
S2, from 3 d modeling software, by product according to multiple visual angles export bitmap format picture；
S3, from 3 d modeling software, the picture by the contour line of product according to multiple visual angle tractor bitmap-formats；
S4, the picture difference by the vector bitmap-format obtained in the picture and step S3 of the step S2 bitmap formats obtained
It imported into two-dimensional graphicses software；
S5, in two-dimensional graphicses software, be configured for the size of bitmap and polar plot according to the actual size of product,
And the polar plot at multiple visual angles is respectively matched on the bitmap at corresponding multiple visual angles；
S6, in two-dimensional graphicses software, the matching result in step S5 merges and deleted place for polar plot
Reason, meet that two-dimensional effects filling requires until polar plot merges and deleted the closed area formed after processing；
S7, in two-dimensional graphicses software, the polar plot obtained in step S6 is filled out according to the demand of Product Rendering
Processing is filled, and corresponding polar plot part progress that is matched according to the shadow relation pair of bitmap and being obtained by step S6 is excellent
Change；
S8, requirement of the basis to Product Rendering carry out the adjustment of details to the polar plot after optimization, generate final production
Product design sketch.
Preferably, the step S2 middle positions bitmap-format is jpg forms；Vector bitmap-format is wmf forms in the step S3.
Preferably, in the step S2 Bitmap manufacturing process, when the unconspicuous situation of angle of arrival feature, by setting
Three-dimensional light is put to protrude the feature of model.
Preferably, the optimization that polar plot part is carried out is included in the step S7 strengthening shade, increase light efficiency and modification
Color.
Preferably, the adjustment of polar plot details includes being fastened according to the requirement to Product Rendering in the step S8
Screw and lines to polar plot are adjusted.
Preferably, processing is merged to polar plot in the step S6 to refer to：Coincidence in two-dimensional graphicses software
Two lines one end synthesis a bit so that two lines merge it is into a line, non-close wire frame in polar plot is merged, obtained
To the wire frame of closing；Delete processing is carried out in the step S6 to polar plot to refer to：By polar plot in two-dimensional graphicses software
In unnecessary lines deleted.
Preferably, the bitmap format for embodying product shadow relationship between light and dark is exported in the step S2 by 3 d modeling software
Picture.
Preferably, the vector map grid of product minutia can be embodied in the step S3 by 3 d modeling software export
The picture of formula.
Preferably, product is exported to the figure of bitmap format in the step S2 from 3 d modeling software according to 6 visual angles
Piece, including front view, rearview, top view, upward view, left view and right view bitmap format picture；The step S3
Picture in 3 d modeling software by the contour line of product according to 6 visual angle tractor bitmap-formats, including front view, backsight
Figure, top view, upward view, left view and right view vector bitmap-format picture.
The present invention is had the following advantages relative to prior art and effect：
The present invention gets the bitmap and polar plot at the multiple visual angles of product by 3 d modeling software, and imported into two dimension
In mapping software, bitmap and polar plot are matched in two-dimensional graphicses software, polar plot merged according to matching result
And delete processing, meet that two-dimensional effects filling requires until polar plot merges and deleted the closed area formed after processing；Then
Processing is filled to the polar plot after merging and deleting processing according to the demand of Product Rendering, and according to the light of bitmap
Shadow relation pair it is matched and by merge delete the obtained corresponding polar plot part of processing optimize and details adjustment at
Reason, to generate final Product Rendering.The inventive method this method is not high for the configuration requirement of computer, and can be fast
Fast, accurate and true to nature realizes product industrial design effect map generalization, has the advantages of modification adjustment is simple.Solve existing
The problem of being difficult to refinement and redjustment and modification using detail section in three-dimensional representation method in technology, and solve two-dimentional technique of expression
The problem of middle part curved surface is difficult to accurately show, it is very suitable for the production that surface is more and the performance for details is particularly important
The effect map generalization of product.
Brief description of the drawings
Fig. 1 is the generation method flow chart of present invention kind Product Rendering.
Fig. 2 a to 2f be respectively front view in hand-held set product bitmap, rearview, upward view, top view, right view and
Left view.
Fig. 3 a to 3f are front view, rearview, upward view, top view, right view in hand-held set product polar plot respectively
And left view.
Fig. 4 a to 4f are the bitmap that the polar plot at 6 visual angles of hand-held set product is respectively matched to corresponding 6 visual angles respectively
On obtained front view, rearview, upward view, top view, right view and left view.
Fig. 5 a to 5f be respectively the polar plot for strengthening the hand-held set product obtained after shadow and local optimum front view, after
View, upward view, top view, right view and left view.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment
Present embodiment discloses a kind of generation method of Product Rendering, as shown in figure 1, step is as follows：
S1, using 3 d modeling software to product carry out moulding modeling.3 d modeling software employed in the present embodiment
For Proe, naturally it is also possible to using other three modeling softwares such as Rhinoceros.
S2, from 3 d modeling software, by product according to multiple visual angles export bitmap format picture；Bitmap format is
Jpg forms, using white background, in bitmap manufacturing process, when the unconspicuous situation of angle of arrival feature, pass through set it is three-dimensional
Light is to protrude the feature of model.The bitmap of product shadow relationship between light and dark can be embodied by 3 d modeling software export.
In the present embodiment the number at visual angle be six, be respectively front view, rearview, top view, upward view, left view and
Right view.Certainly according to different products, the number at visual angle can also be other numbers, for some productions relatively simple for structure
Product, three visual angle figures can be used.As shown in Fig. 2 a to 2f, when to be respectively product be hand-held set, facing in hand-held set bitmap
Figure, rearview, upward view, top view, right view and left view.
S3, from 3 d modeling software, the picture by the contour line of product according to multiple visual angle tractor bitmap-formats, its
Middle vector bitmap-format is wmf forms.The polar plot of product minutia can be embodied by 3 d modeling software export.Wherein swear
The number at spirogram visual angle and the angle direction at visual angle are consistent with bitmap.It is in hand-held set polar plot as shown in Fig. 3 a to 3f
Front view, rearview, upward view, top view, right view and left view.
S4, the picture difference by the vector bitmap-format obtained in the picture and step S3 of the step S2 bitmap formats obtained
It imported into two-dimensional graphicses software.Two-dimensional graphicses software employed in the present embodiment is CorelDRAW, naturally it is also possible to is used
Other two-dimensional graphicses softwares such as Photoshop.
S5, in two-dimensional graphicses software, be configured for the size of bitmap and polar plot according to the actual size of product,
And the polar plot at multiple visual angles is respectively matched on the bitmap at corresponding multiple visual angles.The result of this step matching causes two dimension
In mapping software, each visual angle polar plot is corresponded on the bitmap at visual angle at it respectively, by part of the product in bitmap with swearing
Part in spirogram is mapped respectively so that bitmap and polar plot can match completely, by matching treatment step S6,
The accuracy of effect process is higher in S7 and S8.
As shown in Fig. 4 a to 4f, the polar plot at 6 visual angles of this step hand-held set is respectively matched to the position at corresponding 6 visual angles
Front view, rearview, upward view, top view, right view and the left view obtained on figure.
S6, in two-dimensional graphicses software, the matching result in step S5 merges and deleted place for polar plot
Reason, meet that two-dimensional effects filling requires until polar plot merges and deleted the closed area formed after processing.Obtained by this step
It is closing to lines and the polar plot of effect filling can be carried out.
Wherein processing is merged to polar plot to refer to：Close one end of two lines in two-dimensional graphicses software coincidence
Into a bit so that two lines merging is into a line, non-close wire frame in polar plot is merged, the wire frame closed；It is right
Polar plot carries out delete processing and referred to：Lines unnecessary in polar plot are deleted in two-dimensional graphicses software.This step
It is to ensure that lines in polar plot are unique and close to merge delete processing, to be filled processing in S7.
S7, in two-dimensional graphicses software, the polar plot obtained in step S6 is filled out according to the demand of Product Rendering
Processing is filled, and corresponding polar plot part progress that is matched according to the shadow relation pair of bitmap and being obtained by step S6 is excellent
Change, wherein including strengthening shade, increase light efficiency and modification color to the optimization that polar plot part is carried out.Such as some region of product
The effect of bitmap is very flat, and the present embodiment can highlight its light by carrying out Gradually varied fill to the vector wire frame for changing region
Shadow and hierarchical relationship, the visual effect being optimal.As shown in Fig. 5 a to 5f, obtained after this step enhancing shadow and local optimum
Hand-held set 6 visual angles polar plot front view, rearview, upward view, top view, right view and left view.
S8, requirement of the basis to Product Rendering carry out the adjustment of details to the polar plot after optimization, generate final production
Product design sketch.The adjustment of wherein polar plot details includes carrying out trip bolt and to polar plot according to the requirement to Product Rendering
Lines be adjusted, to cause the final design sketch of product to meet and meet the design idea of designer.
The generation method of the present embodiment the said goods design sketch is not high for the configuration requirement of computer, and can quickly,
Accurate and true to nature realizes product industrial design effect map generalization, has the advantages of modification adjustment is simple, is very suitable for outer
The effect map generalization for the product that portion's feature is more and the performance for details is particularly important.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. a kind of generation method of Product Rendering, it is characterised in that step is as follows：
Step S1, moulding modeling is carried out to product using 3 d modeling software；
Step S2, from 3 d modeling software, product is exported to the picture of bitmap format according to multiple visual angles；
Step S3, from 3 d modeling software, the picture by the contour line of product according to multiple visual angle tractor bitmap-formats；
Step S4, the picture of the vector bitmap-format obtained in the picture and step S3 of the step S2 bitmap formats obtained is distinguished
It imported into two-dimensional graphicses software；
Step S5, in two-dimensional graphicses software, it is configured for the size of bitmap and polar plot according to the actual size of product,
And the polar plot at multiple visual angles is respectively matched on the bitmap at corresponding multiple visual angles；
Step S6, in two-dimensional graphicses software, the matching result in step S5 merges and deleted place for polar plot
Reason, meet that two-dimensional effects filling requires until polar plot merges and deleted the closed area formed after processing；
Step S7, in two-dimensional graphicses software, the polar plot obtained in step S6 is filled out according to the demand of Product Rendering
Processing is filled, and corresponding polar plot part progress that is matched according to the shadow relation pair of bitmap and being obtained by step S6 is excellent
Change；
Step S8, the adjustment of details is carried out to the polar plot after optimization according to the requirement to Product Rendering, generates final production
Product design sketch.
2. the generation method of Product Rendering according to claim 1, it is characterised in that the step S2 middle position bitmap-formats
For jpg forms；Vector bitmap-format is wmf forms in the step S3.
3. the generation method of Product Rendering according to claim 1, it is characterised in that the step S2 Bitmaps make
During, when the unconspicuous situation of angle of arrival feature, by setting three-dimensional light to protrude the feature of model.
4. the generation method of Product Rendering according to claim 1, it is characterised in that to polar plot in the step S7
The optimization that part is carried out includes strengthening shade, increase light efficiency and modification color.
5. the generation method of Product Rendering according to claim 1, it is characterised in that after optimizing in the step S8
The adjustment of polar plot details includes carrying out trip bolt according to the requirement to Product Rendering and the lines to polar plot are adjusted
It is whole.
6. the generation method of Product Rendering according to claim 1, it is characterised in that to polar plot in the step S6
Processing is merged to refer to：One end of the two lines of coincidence is synthesized a bit in two-dimensional graphicses software so that two lines are closed
And it is into a line, non-close wire frame in polar plot is merged, the wire frame closed；Polar plot is entered in the step S6
Row delete processing refers to：Lines unnecessary in polar plot are deleted in two-dimensional graphicses software.
7. the generation method of Product Rendering according to claim 1, it is characterised in that pass through three-dimensional in the step S2
Modeling software export embodies the picture of the bitmap format of product shadow relationship between light and dark.
8. the generation method of Product Rendering according to claim 1, it is characterised in that pass through three-dimensional in the step S3
Modeling software export embodies the picture of the vector bitmap-format of product minutia.
9. the generation method of Product Rendering according to any one of claim 1 to 8, it is characterised in that the step
Product exports to the picture of bitmap format in S2 from 3 d modeling software according to 6 visual angles, including front view, rearview, bows
View, upward view, left view and right view bitmap format picture；By the wheel of product in the step S3 3 d modeling softwares
Profile according to 6 visual angle tractor bitmap-formats picture, including front view, rearview, top view, upward view, left view and
The picture of the vector bitmap-format of right view.
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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 |
| 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 |
| CN113392250B (en) * | 2021-06-30 | 2024-01-12 | 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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| CN104200506A (en) * | 2014-08-04 | 2014-12-10 | 广东威创视讯科技股份有限公司 | Method and device for rendering three-dimensional GIS mass vector data |
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| AutoCAD三维图形技术与工程图样的绘制;苏燕 等;《泰山医学院学报》;20061231;第27卷(第5期);第407-409页 * |
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