CN106844823A - A kind of modeling method of staircase civil engineering - Google Patents
A kind of modeling method of staircase civil engineering Download PDFInfo
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- CN106844823A CN106844823A CN201611046932.5A CN201611046932A CN106844823A CN 106844823 A CN106844823 A CN 106844823A CN 201611046932 A CN201611046932 A CN 201611046932A CN 106844823 A CN106844823 A CN 106844823A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The invention discloses a kind of modeling method of staircase civil engineering of the invention, including step：The three-dimensional coordinate of the default measurement point of measurement staircase civil engineering；Wherein, the default measurement point include first must measuring point and second must measuring point；In the case where judging the three-dimensional coordinate of the default measurement point for correct measurement, according to described first must measuring point and described second must measuring point build calibration model；Whole three-dimensional coordinates of the default measurement point are corrected by the calibration model；Whole three-dimensional coordinates after according to correction build the model of staircase civil engineering.Staircase civil engineering is modeled using the modeling method of staircase civil engineering of the invention, the precision of staircase civil engineering model can be effectively improved, meet staircase design requirement.
Description
Technical field
The invention belongs to staircase civil engineering field of measuring technique, and in particular to a kind of staircase civil engineering modeling method.
Background technology
Staircase because with conveying ridership is big in convenient, unit interval the features such as, be widely used in shop, airport,
The public places such as iron, station.Before being designed to staircase, it is necessary to which staircase civil engineering is measured, meanwhile, in order to directly perceived
Reflection staircase civil engineering structural model, designer would generally according to measurement parameter calculate staircase civil engineering structural parameters, then
Staircase civil engineering is modeled using special modeling software, is easy to staircase to design.
Because the measurement of existing staircase civil engineering is carried out using the relatively low instrument of tape measure, level meter, line pendant equally accurate mostly, and
And, at least need two people to carry out conjunction measuring, need to manually carry out data record in measurement process, it is staircase soil that this is resulted in
Model the measure data precision for providing low so that institute's established model precision is low, it is difficult to meet design requirement.
The content of the invention
Regarding to the issue above, the present invention provides a kind of modeling method of staircase civil engineering, using staircase civil engineering of the invention
Staircase civil engineering model accuracy is high constructed by modeling method, can meet staircase design requirement.
In order to solve the above technical problems, a kind of modeling method of staircase civil engineering of the invention, including step：
The three-dimensional coordinate of the default measurement point of measurement staircase civil engineering；Wherein, the default measurement point include first must measuring point and
Second must measuring point；
In the case where judging the three-dimensional coordinate of the default measurement point for correct measurement, according to described first must measuring point and
Described second must measuring point structure calibration model；
Whole three-dimensional coordinates of the default measurement point are corrected by the calibration model；
Whole three-dimensional coordinates after according to correction build the model of staircase civil engineering.
Compared with prior art, the modeling method of staircase civil engineering of the invention, in the default measurement point of measurement staircase civil engineering
Three-dimensional coordinate after, first determine whether that the three-dimensional coordinate of default measurement point is judged, and judging the three-dimensional of default measurement point
In the case that coordinate is correct measurement, just according to first must measuring point and second must measuring point build calibration model, it is to avoid because measurement is wrong
Constructed calibration model is caused to there is deviation by mistake；Secondly, by calibration model to whole three-dimensional coordinates for presetting measurement points
It is corrected, the precision of the three-dimensional coordinate of the default measurement point employed in raising postorder model construction process improves staircase soil
The precision of established model, to meet staircase design requirement.
As the improvement of such scheme, described first must measuring point be the first angle point positioned at lower support, second must measuring point
It is the second angle point positioned at upper support, first angle point and second angle point are located at the phase homonymy of the staircase civil engineering.
As the improvement of such scheme, described first must measuring point be lower support and bottom melt pit joint, second must survey
Point is upper support and top melt pit joint, the lower support and bottom melt pit joint and the upper support and top
Melt pit joint is located at the phase homonymy of the staircase civil engineering.
As the improvement of such scheme, according to described first must measuring point and described second must measuring point build the step of calibration model
Suddenly include：
According to described first must measuring point three-dimensional coordinate and described second must measuring point three-dimensional coordinate calculate correction angle；
Calibration model is built according to the correction angle.
As the improvement of such scheme, described first must the three-dimensional coordinate of measuring point be (x1, y1, z1), described second must survey
The three-dimensional coordinate of point is (x2, y2, z2)；According to described first must measuring point three-dimensional coordinate and described second must the three-dimensional of measuring point sit
Mark calculate correction angle formula be：θ=arcos [x2-x1/ [(x2-x1)2+(y1-y2)2]1/2]；Wherein, θ is correction angle.
Used as the improvement of such scheme, the calibration model is：
As the improvement of such scheme, it is described according to correction after whole three-dimensional coordinates build staircase civil engineering model step
Suddenly include：
Whole three-dimensional coordinates after according to correction calculate the structural parameters of the staircase civil engineering；
Staircase civil engineering structure figure is drawn according to the structural parameters.
As the improvement of such scheme, after the drafting staircase civil engineering structure figure according to the structural parameters, also include
Step：
According to client requirement information and structural parameters generation staircase design sheets, wherein, the demand information includes helping
Ladder type number, indoor environment, outdoor environment, material or apolegamy component information；
Issue structural parameters, the staircase civil engineering structure figure and the staircase design sheets of the staircase civil engineering.
As the improvement of such scheme, judge that the three-dimensional coordinate of the future position is correct measurement by following steps：
Obtain the feature coordinate values of the three-dimensional coordinate；Wherein, the feature coordinate values are used to characterize the default measurement
The different characteristic of point；
In the feature coordinate values in the case of the preset threshold range, then judge that the three-dimensional coordinate measurement is correct.
Include as the improvement of such scheme, the step of the three-dimensional coordinate of the measurement staircase civil engineering default measurement point：
According to measurement position setting measurement coordinate system；
Measure three-dimensional coordinate of the default measurement point in the measurement coordinate system.
Brief description of the drawings
Fig. 1 is the structural representation of staircase civil engineering of the invention.
Fig. 2 is a kind of schematic flow sheet of the modeling method of staircase civil engineering of the embodiment of the present invention 1.
Fig. 3 is a kind of schematic flow sheet of the modeling method of staircase civil engineering of the embodiment of the present invention 2.
Fig. 4 is a kind of schematic flow sheet of the modeling method of staircase civil engineering of the embodiment of the present invention 3.
Fig. 5 is a kind of schematic flow sheet of the modeling method of staircase civil engineering of the embodiment of the present invention 4.
In figure：
1st, the first angle point 2, lower support and bottom melt pit joint
3rd, bottom melt pit angle point 4, the first intermediate supports point
5th, the second intermediate supports point 6, top melt pit angle point
7th, the second angle point 8, upper support and top melt pit joint
9th, top obstacle object point 10, bottom obstacle object point
11st, top obstacle object point
Specific embodiment
Elaborate many details in order to fully understand the present invention in the following description.But the present invention can be with
Much it is different from the other modes of this description to implement, those skilled in the art can be in the case of without prejudice to intension of the present invention
Similar popularization is done, therefore the present invention is not limited by following public specific embodiment.
Fig. 1 is referred to, is the structural representation of staircase civil engineering of the present invention.
The default measurement point of the staircase civil engineering structure includes：First angle point 1, lower support and bottom melt pit joint 2, under
Portion melt pit angle point 3, the first intermediate supports point 4, the second intermediate supports point 5, top melt pit angle point 6, the second angle point 7, upper support
With top melt pit joint 8, top obstacle object point 9, bottom obstacle object point 10 or top obstacle object point 11.
Fig. 2 is referred to, is a kind of schematic flow sheet of the modeling method of staircase civil engineering of the embodiment of the present invention 1.
A kind of modeling method of staircase civil engineering of the embodiment of the present invention 1 includes step：
The three-dimensional coordinate of S1, the default measurement point of measurement staircase civil engineering；Wherein, the default measurement point must measuring point including first
Must measuring point with second；
Wherein, in step sl, measurement staircase civil engineering presets the three-dimensional coordinate of measurement point by the following method：
According to measurement position setting measurement coordinate system；
Measure three-dimensional coordinate of the default measurement point in the measurement coordinate system.
Specifically, as shown in figure 1, it is measurement position to set staircase civil engineering lower support face, then with staircase civil engineering bottom branch
Measurement coordinate system is set up in support face for XOY axial planes, then the three-dimensional coordinate for measuring the default measurement point of staircase civil engineering is default measurement
Coordinate of the point in the measurement coordinate system.
S2, in the case where judging the three-dimensional coordinate of the default measurement point for correct measurement, must be surveyed according to described first
Point and described second must measuring point structure calibration model；
S3, whole three-dimensional coordinates of the default measurement point are corrected by the calibration model；
S4, according to correction after whole three-dimensional coordinates build staircase civil engineering model.
Compared with prior art, the modeling method of staircase civil engineering of the invention, in the default measurement point of measurement staircase civil engineering
Three-dimensional coordinate after, first determine whether that the three-dimensional coordinate of default measurement point is judged, and judging the three-dimensional of default measurement point
In the case that coordinate is correct measurement, just according to first must measuring point and second must measuring point build calibration model, it is to avoid because measurement is wrong
Constructed calibration model is caused to there is deviation by mistake；Secondly, by calibration model to whole three-dimensional coordinates for presetting measurement points
It is corrected, the precision of the three-dimensional coordinate of the default measurement point employed in raising postorder model construction process improves staircase soil
The precision of established model, to meet staircase design requirement.
Preferably, as shown in figure 1, described first must measuring point be the first angle point 1 positioned at lower support, second must measuring point be
Positioned at the second angle point 7 of upper support, first angle point 1 and second angle point 7 are located at the phase homonymy of the staircase civil engineering.
Or, described first must measuring point be lower support and bottom melt pit joint 2, second must measuring point be upper support and top melt pit
Joint 7, the lower support and bottom melt pit joint 2 and the upper support are located at described with top melt pit joint 7
The phase homonymy of staircase civil engineering.In the measurement process for carrying out staircase civil engineering, the size of staircase civil engineering is larger, in setting measurement position
When, the measurement coordinate system according to constructed by measurement position is difficult to be completely superposed with the calibration coordinate system X1Y1Z1 in Fig. 1, and then leads
The three-dimensional coordinate measured by it is caused to there is larger deviation.To overcome above mentioned problem, the certainty of measurement of staircase civil engineering, this hair are improved
Bright staircase civil engineering measuring system uses following methods.
Fig. 3 is referred to, is a kind of schematic flow sheet of the modeling method of staircase civil engineering of inventive embodiments 2.
The embodiment of the present invention 2 is based on above-described embodiment 1, and its difference is to judge the three of the default measurement point
In the case that dimension coordinate is correct measurement, it is described according to described first must measuring point and described second must measuring point build calibration model
Step includes：
S21, according to described first must measuring point three-dimensional coordinate and described second must measuring point three-dimensional coordinate calculate holder for correcting
Angle；
Wherein, the three-dimensional coordinate of first angle point is (x1, y1, z1), the three-dimensional coordinate of second angle point for (x2,
Y2, z2)；The three-dimensional coordinate of three-dimensional coordinate and second angle point according to first angle point calculates the formula of correction angle
For：θ=arcos [x2-x1/ [(x2-x1)2+(y1-y2)2]1/2]；
Wherein, θ is correction angle.
S22, according to it is described correction angle build calibration model.
Wherein, the calibration model is：
The three-dimensional coordinate of the default measurement point of meter can be corrected according to below equation：
Wherein, (x, y, z) represents default three-dimensional coordinate of the measurement point in measurement coordinate system；(x ', y ', z ') is represented through school
Three-dimensional coordinate after positive model correction.In the present invention, due to first must measuring point be located at staircase civil engineering upper end, second must measuring point
Positioned at the lower end of staircase civil engineering, first must measuring point and second must the distance between measuring point level off to the length of the hypotenuse of staircase civil engineering,
By first must measuring point and second must measuring point calculated correction angle angle precision it is high, preset measurement point three-dimensional coordinate warp
After above method correction, the precision of the three-dimensional coordinate of default measurement point is improve, moreover it is possible to make postorder staircase civil engineering structure parameter
Calculate and more facilitate, computational efficiency can be lifted, so as to improve the modeling efficiency of staircase civil engineering.
Fig. 4 is referred to, is a kind of schematic flow sheet of the modeling method of staircase civil engineering of inventive embodiments 3.
The embodiment of the present invention 3 is based on above-described embodiment 1, and its difference is, described according to all three-dimensional after correction
The step of coordinate builds the model of staircase civil engineering includes：
S41, according to correction after whole three-dimensional coordinates calculate the structural parameters of the staircase civil engineering；
S42, according to the structural parameters draw staircase civil engineering structure figure.
Specifically, as shown in Figure 1 and Figure 4, after being corrected to the three-dimensional coordinate for presetting measurement point, by after correction
Whole three-dimensional coordinates calculate staircase civil engineering structural parameters, its calculate more facilitate.For example, by the bottom melt pit angle after correction
The Y-axis coordinate of point subtracts the Y-axis coordinate of the first angle point 1 after correction, just directly obtains the width of the staircase civil engineering；After correcting
The X-axis coordinate of the second angle point 7 subtract the X-axis coordinate of the first angle point 1, just obtain the projected length of the staircase civil engineering；And this
The Z axis coordinate of two angle points 7 is the hoisting depth of the staircase civil engineering.Again by correction after the first angle point 1, the second angle point 7 and under
The D coordinates value of portion melt pit angle point 3, and the width of the staircase civil engineering, projected length and hoisting depth equidimension information are imported
CAD mapping softwares, so that it may draw out the structure chart of the staircase civil engineering.Similar, under also including in the preset of staircase civil engineering
Portion supports and bottom melt pit joint 2, the first intermediate supports point 4, the second intermediate supports point 5, top melt pit angle point 6, top branch
When support and top melt pit joint 8, top obstacle object point 9, bottom obstacle object point 10 or top obstacle object point 11, can be by this hair
Bright measuring method obtains the three-dimensional coordinate point after they are corrected, and other structures parameter in staircase civil engineering.For example, can lead to
Cross the three-dimensional coordinate of lower support and bottom melt pit joint 2 and the three-dimensional coordinate of bottom melt pit angle point 3, so that it may obtain melt pit
Length, width and depth.Because staircase civil engineering other structures parameter is similar to the computational methods of melt pit parameter, do not arrange one by one herein
Lift.
Preferably, data processing equipment further can also join its structure after the structural parameters for calculating staircase civil engineering
Number is compared with normal structure parameter, and whether professional standard is met with the design for judging the staircase civil engineering.
Fig. 5 is referred to, is a kind of schematic flow sheet of the modeling method of staircase civil engineering of inventive embodiments 4.
The embodiment of the present invention 4 is based on above-described embodiment 1, and its difference is, described to be drawn according to the structural parameters
After staircase civil engineering structure figure, also including step：
S5, according to client requirement information and the structural parameters generation staircase design sheets, wherein, the demand information includes
Staircase model, indoor environment, outdoor environment, material or apolegamy component information；
S6, after input validation signal is received, issue structural parameters, the staircase civil engineering structure of the staircase civil engineering
Figure and the staircase design sheets.
In the embodiment of the present invention 4, information, the three-dimensional coordinate of staircase civil engineering and structural parameters can carry out staircase according to demand
Each parameter setting, generates corresponding staircase design sheets.For example, when input configuration illumination, then generating the staircase with lighting apparatus
Design sheets；When indoor environment is input into, then the staircase design sheets with spray painting is generated, instead of artificial staircase construction layout drawing design work,
Realize design work automatic business processing.Can confirm whether the size and staircase parameter, type of staircase civil engineering are correct in designer,
And confirming errorless rear input issue instruction, at this moment, staircase civil engineering size and staircase parameter, type are just published at information-based putting down
Platform, is easy to staff to check, corrects, assembling staircase, improves the efficiency of design work and supervision.
Preferably, in step s 2, judge that the three-dimensional coordinate of the future position is correct measurement by following steps：
S201, the feature coordinate values for obtaining the three-dimensional coordinate；Wherein, the feature coordinate values are used to characterize described presetting
The different characteristic of measurement point；
S202, in the feature coordinate values in the case of the preset threshold range, then judge the three-dimensional coordinate measurement
Correctly.
For example, when judging whether bottom melt pit angle point 3 meets comparison condition, because bottom melt pit angle point 3 is located at XOY axles
Under plane, then its Z axis coordinate value can be compared with 0, its Z axis coordinate value is the feature coordinate values of bottom melt pit angle point 3.
Position acquisition its Z axis coordinate value in measurement coordinate system first according to bottom melt pit angle point 3；The Z of bottom angle point is judged again
Whether axial coordinate value is less than 0；If so, judge that its measurement is correct, otherwise measuring error.
Similarly, as shown in figure 1, when judging whether the first angle point 1 meets comparison condition, due to the height of the first angle point 1
Degree is typically smaller than the height of the second angle point 7, also, vertical range between the first angle point 1 and the second angle point 7 should be located at default model
In enclosing.Therefore the Z axis value of the first angle point 1 can be compared with the Z axis value of the first angle point 1；If the Z axis value of the first angle point 1
More than the Z axis value of the second angle point 7, then its measuring error is judged；Otherwise, then calculate between the first angle point 1 and the second angle point 7 hang down
Straight distance, when vertical range exceedes preset range, judges its measuring error；When vertical range is between preset range, judge
Its measurement is correct.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not done to the present invention, therefore
All contents without departing from technical solution of the present invention, any simply repair according to technical spirit of the invention to made for any of the above embodiments
Change, equivalent variations and modification, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of modeling method of staircase civil engineering, it is characterised in that including step：
The three-dimensional coordinate of the default measurement point of measurement staircase civil engineering；Wherein, the default measurement point must measuring point and second including first
Must measuring point；
In the case where judging the three-dimensional coordinate of the default measurement point for correct measurement, must measuring point and described according to described first
Second must measuring point structure calibration model；
Whole three-dimensional coordinates of the default measurement point are corrected by the calibration model；
Whole three-dimensional coordinates after according to correction build the model of staircase civil engineering.
2. the modeling method of staircase civil engineering as claimed in claim 1, it is characterised in that described first must measuring point be positioned at bottom
First angle point of support, second must measuring point be the second angle point positioned at upper support, first angle point and second angle point
Positioned at the phase homonymy of the staircase civil engineering.
3. the modeling method of staircase civil engineering as claimed in claim 1, it is characterised in that described first must measuring point be lower support
With bottom melt pit joint, second must measuring point be upper support and top melt pit joint, the lower support and bottom melt pit
Joint and the upper support are located at the phase homonymy of the staircase civil engineering with top melt pit joint.
4. the modeling method of staircase civil engineering as claimed in claim 2 or claim 3, it is characterised in that according to described first must measuring point and
Described second must include the step of measuring point structure calibration model：
According to described first must measuring point three-dimensional coordinate and described second must measuring point three-dimensional coordinate calculate correction angle；
Calibration model is built according to the correction angle.
5. the modeling method of staircase civil engineering as claimed in claim 4, it is characterised in that described first must measuring point three-dimensional coordinate
Be (x1, y1, z1), described second must measuring point three-dimensional coordinate be (x2, y2, z2)；According to described first must the three-dimensional of measuring point sit
Mark and described second must measuring point three-dimensional coordinate calculate correction angle formula be：
θ=arcos [x2-x1/ [(x2-x1)2+(y1-y2)2]1/2]；
Wherein, θ is correction angle.
6. the modeling method of staircase civil engineering as claimed in claim 5, it is characterised in that the calibration model is：
7. the modeling method of staircase civil engineering as claimed in claim 1, it is characterised in that the three-dimensional coordinate according to after correction
The step of model for building staircase civil engineering, includes：
The structural parameters of the staircase civil engineering are calculated according to the three-dimensional coordinate after correction；
Staircase civil engineering structure figure is drawn according to the structural parameters.
8. the modeling method of staircase civil engineering as claimed in claim 1, it is characterised in that described to be drawn according to the structural parameters
After staircase civil engineering structure figure, also including step：
According to client requirement information and structural parameters generation staircase design sheets, wherein, the demand information includes escalator type
Number, indoor environment, outdoor environment, material or apolegamy component information；
Issue structural parameters, the staircase civil engineering structure figure and the staircase design sheets of the staircase civil engineering.
9. the modeling method of staircase civil engineering as claimed in claim 1, it is characterised in that judge the prediction by following steps
The three-dimensional coordinate of point is correct measurement：
Obtain the feature coordinate values of the three-dimensional coordinate；Wherein, the feature coordinate values are used to characterize the default measurement point
Different characteristic；
In the feature coordinate values in the case of the preset threshold range, then judge that the three-dimensional coordinate measurement is correct.
10. the modeling method of staircase civil engineering as claimed in claim 1, it is characterised in that the measurement staircase civil engineering is default to be surveyed
The step of three-dimensional coordinate for measuring point, includes：
According to measurement position setting measurement coordinate system；
Measure three-dimensional coordinate of the default measurement point in the measurement coordinate system.
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