CN106504323B - A method of for generating the flowing water of round tube to reinforcing bar - Google Patents
A method of for generating the flowing water of round tube to reinforcing bar Download PDFInfo
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- CN106504323B CN106504323B CN201610994517.6A CN201610994517A CN106504323B CN 106504323 B CN106504323 B CN 106504323B CN 201610994517 A CN201610994517 A CN 201610994517A CN 106504323 B CN106504323 B CN 106504323B
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- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
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Abstract
It the present invention relates to reinforcement drawing design field, provides a kind of for generating the flowing water of round tube to the method for reinforcing bar, solves the problems, such as that round tube flowing water is difficult to drawing three-dimensional reinforcement drawing to reinforcing bar.Step of the invention includes: to determine geometry topological structure from circumferential auxiliary line to reinforcing bar and cloth muscle guide line according to round tube section flowing water；Cloth muscle reference line is generated according to circumferential auxiliary line；Cloth muscle point of the round tube flowing water to reinforcing bar is generated according to cloth muscle reference line；Three-dimensional reinforcing bar is generated according to cloth muscle point.The present invention is suitable for round tube flowing water to reinforcing bar.
Description
Technical field
It is the present invention relates to 3 D rendering field, in particular to a kind of for generating the flowing water of round tube to the method for reinforcing bar.
Background technique
Round tube flowing water is the important three-dimensional Distribution form s of one kind of concrete structure to reinforcing bar, mixed commonly used in isometrical round tube face
Xtah Crude Clay structure improves the quick design efficiency of reinforcing bar, makes cloth muscle more evenly, improves the stress performance of concrete structure.
The method for drafting of reinforcement drawing at present is drawn using two dimension.Round tube flowing water, usually will be with to reinforcement drawing
Form of fracture performance, for circular tube structure, reinforcement drawing is drawn and material classification statistics is still by being accomplished manually, and flowing water is to reinforcing bar form
With arrangement can not express in detail, if, school, careful workload is very big, difficulty is high and is easier to malfunction.It is more regular for structure
Structure can not be applicable in various complexity although there is partial software that can directly draw two-dimentional reinforcement drawing, but still restricted application
The round tube steel bar arrangement and Three-dimensional Display of structure, inspection, guiding construction practice.With advances in technology, more and more designs
Model is all threedimensional model, and there is an urgent need in round tube reinforced concrete structure, have tool of the three-dimensional flowing water to cloth muscle by engineer
And method.
By the drawing that manual drawing or existing software obtain all be at present it is two-dimensional, need by professional training, have through
The engineer tested interprets, and the threedimensional model of reinforcing bar is rebuild in brains, for round tube flowing water to the thin portions knot such as reinforcing bar
Structure can not in detail, really reflect the spatial relation of itself and structure, other reinforcing bars.Meanwhile different engineers are in solution read procedure
In there may be ambiguity, this brings very big obstacle to the exchange of technology of reinforcement drawing and guiding construction.With the hair of computer
Exhibition, by the auxiliary of computer, engineering staff can according to need reconstruction rebar model, including round tube flowing water is to rebar model,
Generate three-dimensional rebar model true to nature so that the exchange of technology based on three-dimensional rebar model is more convenient, more intuitive, Material Takeoff more
Accurately.
From the point of view of disclosed document and data, not yet discovery directly arranges flowing water to the soft of reinforcing bar in three-dimensional circular tube structure
Part or method.It is very big to reinforcing bar three-dimensional modeling workload since reinforcing bar three-dimensional modeling does not have ready-made professional software, and be real
Body Model, as number of steel bars, type are continuously increased, either to calculating memory limitation, display speed or modeling work
It is all huge challenge for amount, difficulty.Especially circular tube structure concrete is changeful, can not rapid batch, quickly fixed
Position, and threedimensional model is quickly generated, to facilitate the check, examination and material classification in later period to count, it is unable to satisfy engineering design
It fast, accurately requires, thus develops the new round tube flowing water for capableing of efficient process labyrinth to the arrangement of reinforcing bar and in real time
The method of display is particularly important.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of for generating the flowing water of round tube to the method for reinforcing bar, solution
The problem of round tube flowing water is difficult to drawing three-dimensional reinforcement drawing to reinforcing bar.
To solve the above problems, the technical solution adopted by the present invention is that: it is a kind of for generating the flowing water of round tube to reinforcing bar
Method includes the following steps:
A. circumferential auxiliary line is determined to the geometry topological structure and cloth muscle guide line of reinforcing bar according to round tube section flowing water；
B. cloth muscle reference line is generated according to circumferential auxiliary line；
C. cloth muscle point of the round tube flowing water to reinforcing bar is generated according to cloth muscle reference line；
D. three-dimensional reinforcing bar is generated according to cloth muscle point.
Further, step a is specifically included:
A1. cloth muscle guide line is respectively obtained into N-1 Along ent according to length N equal part, N is the integer more than or equal to 3；
Each normal plane is intersected to obtain by the normal plane for a2. obtaining each Along ent respectively with the circular tube structure face of input
The corresponding circumferential intersection of each Along ent, if the corresponding circumferential intersection of an Along ent is one, directly by the resulting center of circle
Circumferential auxiliary line of the intersection as this Along ent；If the corresponding circumferential intersection of an Along ent is two, two are judged
The center of circle of circumferential intersection is assisted apart from smaller circumferential intersection as the circumferential direction of this Along ent at a distance from the Along ent
Line.
Further, step b is specifically included:
B1 assists line feature point using the midpoint of circumferential auxiliary line and endpoint as circumferential direction；
B2. according to protective layer thickness parameter, circumferential direction auxiliary line feature point is planar deviated, cloth muscle reference line is obtained
Characteristic point；
B3. the characteristic point according to obtained in step b2 is calculated in cloth muscle reference line out.
Further, step c is specifically included:
C1. according to the input parameter of reinforcing bar, every cloth muscle reference line is bisected into the corresponding number of segment of input parameter of reinforcing bar,
And by every reference line waypoint number consecutively；Wherein, the input parameter of reinforcing bar includes at least spacing；
C2. using the waypoint of identical number on different cloth muscle reference lines as a round tube flowing water to the cloth muscle point of reinforcing bar.
Further, the input parameter of reinforcing bar further includes that radical, section are long.
Further, step d is specifically included:
D1. obtained identical number cloth muscle point is connected, and generates the axis of three-dimensional reinforcing bar by Smooth Fitting；
D2. in end reinforced setting crotch or extended thin portion structural parameters, generate the axis of thin portion structure, and with step
Axis in rapid d1 is merged into an entirety, as round tube flowing water to the axis of reinforcing bar；
D3. call round tube flowing water to steel bar template, based on axis from round tube flowing water to reinforcing bar and template generation three-dimensional reinforcing bar
Model, and to three-dimensional rebar model assignment reinforcing bar attribute；
D4. light-weight technologg is carried out to rebar model to round tube flowing water, retains final topological surface model.
Further, the reinforcing bar attribute includes reinforcing bar number, between reinforcing bar grade, reinforcing bar pattern, bar diameter, reinforcing bar
Away from, reinforcing bar length, reinforcing bar color, remark information, cloth muscle guide line, cloth muscle face, end reinforced direction reference planes
The beneficial effects of the present invention are: due to using cloth muscle guide line, circumferential auxiliary line and the cloth muscle thus generated
Point both can intuitively show three-dimensional cloth muscle according to these referring to various situations of the round tube flowing water to reinforcing bar are accurately shown in this way
As a result, simultaneously can also round tube flowing water is intuitive to reinforcing bar information reflection, accurately give engineer, improve the effect of engineer's work
Rate, accurate information also improve construction speed, while also avoiding the defect that construction is caused due to ambiguity.The present invention can be with
It is realized using the surface model of topology, compared with using the rebar model of physical format, committed memory and hard drive space subtract significantly
It is few.The present invention is unrelated with software platform, either the Three-dimensional Design Software based on business, is also possible to the three-dimensional of independent development
Graphic platform has important application value in engineer application field, and has high confidence level, applicability, admissibility.
Detailed description of the invention
Fig. 1 is circumferential auxiliary line schematic diagram of the round tube flowing water of the invention implemented to reinforcing bar.
Fig. 2 is cloth muscle reference line schematic diagram of the round tube flowing water of the invention implemented to reinforcing bar.
Fig. 3 is generation cloth muscle point schematic diagram of the round tube flowing water of the invention implemented to reinforcing bar.
Fig. 4 is the round tube flowing water implemented of the present invention to three-dimensional model diagram.
In the figure, it is marked as 1 is the Along ent on guide line, 2 be normal plane, and 3 be circumferential intersection, and 4 be auxiliary line characteristic point
Offset direction, 5 be cloth muscle reference line, and a, b, c, d, e, f, g, h are respectively different cloth muscle point numbers.
Specific embodiment
Round tube flowing water to the input parameter of reinforcing bar mainly include circular tube structure face, cloth muscle guide line, bar spacing and diameter,
End reinforced parameter etc..According to the geometric topology information and guide line in cloth muscle face, circumferential auxiliary line is calculated.Joined according to reinforcing bar
Number, then determine cloth muscle point of the round tube flowing water to reinforcing bar.According to end reinforced parameter, end structure is determined.Wherein determine Pipe Flow
Water to the cloth muscle face of reinforcing bar, circumferential auxiliary line, cloth muscle point, end reinforced parameter be key link of the invention.Below with reference to attached
Invention is further described in detail for figure.
Step 1: circumferential direction auxiliary line is determined
The step of determining circumferential direction auxiliary line is as follows:
(1) cloth muscle guide line is respectively obtained into two Along ents 1 according to length trisection；
(2) normal plane 2 for obtaining two Along ents 1 respectively intersects each normal plane 2 with the circular tube structure face of input
To the corresponding circumferential intersection 3 of each Along ent 2, if a corresponding circumferential intersection 3 of Along ent 1 is one, directly by gained
Circumferential auxiliary line of the center of circle intersection as this Along ent 1；If round tube flowing water is curved to reinforcing bar, it is understood that there may be one etc.
The corresponding circumferential intersection 3 of branch 1 is two, then judges that the center of circle of two circumferential intersections 3, will at a distance from the Along ent 1 at this time
Circumferential auxiliary line apart from smaller circumferential intersection 3 as this Along ent.As shown in Figure 1, due to Along ent 1 each in this example
All only one circumferential intersections 3, there is no need to judge distance.
Step 2: cloth muscle reference line is generated
The step of generating reinforcing bar cloth muscle face is as follows:
(1) according to the circumferential auxiliary line of input, midpoint and the endpoint of circumferential auxiliary line are obtained, by the midpoint of circumferential auxiliary line
With endpoint as circumferential auxiliary line feature point；
(2) according to protective layer thickness parameter, circumferential direction auxiliary line feature point is planar deviated, obtains new cloth muscle reference
Line feature point；
(3) characteristic point according to obtained in step (2) is calculated in cloth muscle reference line 5 out, as shown in Fig. 2；
Step 3: cloth muscle point is generated
The specific implementation steps are as follows:
(1) according to the input parameter of reinforcing bar, every cloth muscle reference line is bisected into the corresponding number of segment of input parameter of reinforcing bar,
And by every reference line waypoint number consecutively；When dividing cloth muscle reference line equally, main foundation is the spacing ginseng of reinforcing bar
Number, secondary foundation are the parameters such as the radical of reinforcing bar, section be long, general only to consider reinforcing bar in engineering when quick calculate
Spacing parameter.
(2) using the waypoint of identical number on different cloth muscle reference lines as a round tube flowing water to the cloth muscle point of reinforcing bar,
See attached drawing 3.
Step 4: three-dimensional reinforcing bar is generated
The specific implementation steps are as follows:
(1) obtained identical number cloth muscle point is connected, and generates the axis of three-dimensional reinforcing bar by Smooth Fitting；
(2) axis of thin portion structure is generated in end reinforced setting crotch or extended thin portion structural parameters according to attached drawing 4
Axis in line, with step (1) is merged into an entirety, as round tube flowing water to the axis of reinforcing bar.
(3) call round tube flowing water to steel bar template, based on axis from round tube flowing water to reinforcing bar and template generation three-dimensional reinforcing bar
Model, and to three-dimensional rebar model assignment reinforcing bar attribute.Wherein, reinforcing bar attribute generally comprises reinforcing bar number, reinforcing bar grade, reinforcing bar
It is pattern, bar diameter, bar spacing, reinforcing bar length, reinforcing bar color, remark information, cloth muscle guide line, cloth muscle face, end reinforced
Direction reference planes etc..
(4) light-weight technologg is carried out to rebar model to round tube flowing water, retains final topological surface model, realized quickly pre-
It lookes at, real-time display and quick storage.
The foregoing describe basic principle of the invention and main feature, the description of specification only illustrates original of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (6)
1. a kind of for generating the flowing water of round tube to the method for reinforcing bar, which comprises the steps of:
A. circumferential auxiliary line is determined to the geometry topological structure and cloth muscle guide line of reinforcing bar according to round tube section flowing water, specifically included:
A1. cloth muscle guide line is respectively obtained into N-1 Along ent according to length N equal part, N is the integer more than or equal to 3；
Each normal plane with the circular tube structure face of input is intersected to obtain each by the normal plane for a2. obtaining each Along ent respectively
The corresponding circumferential intersection of Along ent, if the corresponding circumferential intersection of an Along ent is one, directly by resulting center of circle intersection
Circumferential auxiliary line as this Along ent；If the corresponding circumferential intersection of an Along ent is two, two circles are judged
The center of circle of intersection at a distance from the Along ent, using apart from smaller circumferential intersection as the circumferential auxiliary line of this Along ent；
B. cloth muscle reference line is generated according to circumferential auxiliary line；
C. cloth muscle point of the round tube flowing water to reinforcing bar is generated according to cloth muscle reference line；
D. three-dimensional reinforcing bar is generated according to cloth muscle point.
2. as described in claim 1 a kind of for generating the flowing water of round tube to the method for reinforcing bar, which is characterized in that step b tool
Body includes:
B1 assists line feature point using the midpoint of circumferential auxiliary line and endpoint as circumferential direction；
B2. according to protective layer thickness parameter, circumferential direction auxiliary line feature point is planar deviated, the feature of cloth muscle reference line is obtained
Point；
B3. the characteristic point according to obtained in step b2 is calculated in cloth muscle reference line out.
3. as described in claim 1 a kind of for generating the flowing water of round tube to the method for reinforcing bar, which is characterized in that step c tool
Body includes:
C1. according to the input parameter of reinforcing bar, every cloth muscle reference line is bisected into the corresponding number of segment of input parameter of reinforcing bar, and will
Every reference line waypoint number consecutively；Wherein, the input parameter of reinforcing bar includes at least spacing；
C2. using the waypoint of identical number on different cloth muscle reference lines as a round tube flowing water to the cloth muscle point of reinforcing bar.
4. as claimed in claim 3 a kind of for generating the flowing water of round tube to the method for reinforcing bar, which is characterized in that reinforcing bar it is defeated
Entering parameter further includes that radical, section are long.
5. as described in claim 1 a kind of for generating the flowing water of round tube to the method for reinforcing bar, which is characterized in that step d tool
Body includes:
D1. obtained identical number cloth muscle point is connected, and generates the axis of three-dimensional reinforcing bar by Smooth Fitting；
D2. in end reinforced setting crotch or extended thin portion structural parameters, generate the axis of thin portion structure, and in step d1
Axis be merged into an entirety, as round tube flowing water to the axis of reinforcing bar；
D3. call round tube flowing water to steel bar template, based on axis from round tube flowing water to reinforcing bar and template generation three-dimensional rebar model,
And to three-dimensional rebar model assignment reinforcing bar attribute；
D4. light-weight technologg is carried out to rebar model to round tube flowing water, retains final topological surface model.
6. as claimed in claim 5 a kind of for generating the flowing water of round tube to the method for reinforcing bar, which is characterized in that the reinforcing bar
Attribute includes reinforcing bar number, reinforcing bar grade, reinforcing bar pattern, bar diameter, bar spacing, reinforcing bar length, reinforcing bar color, remarks letter
Breath, cloth muscle guide line, cloth muscle face, end reinforced direction reference planes.
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