CN106441221A - Method for treating surveying and mapping cross section based on secondary development of AutoCAD - Google Patents
Method for treating surveying and mapping cross section based on secondary development of AutoCAD Download PDFInfo
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- CN106441221A CN106441221A CN201610775430.XA CN201610775430A CN106441221A CN 106441221 A CN106441221 A CN 106441221A CN 201610775430 A CN201610775430 A CN 201610775430A CN 106441221 A CN106441221 A CN 106441221A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
Abstract
The invention discloses a method for treating a surveying and mapping cross section based on secondary development of AutoCAD. By plotting of cass data, screening of center stakes and connecting of cross section points, a data set of a cross section guide is generated, the cross section data are outputted according to the needs of a user, and the technical support is provided for treating the cross section and calculating the earth volume in the surveying and mapping. The secondary development function VBA (Visual Basic for Applications) of the common software autoCAD is utilized to rapidly treat the cross section, treating is quick and convenient, no investment is needed, the processing efficiency of cross section data in the surveying and mapping work is greatly improved, and the method has extensive popularization and application values.
Description
Technical field
The invention belongs to technical field of mapping is and in particular to one kind realizes transverse section data based on AutoCAD secondary development
The method processing.
Background technology
In recent years, the popularization in section survey with GPS RTK technology, field operation operation tends to convenient, and work efficiency is not
Disconnected lifting, this also result in being significantly increased of interior industry data volume, and interior industry processing method is based on manual operations at present, and treatment effeciency is low
Down it is impossible to meet the process demand of high-volume data.Therefore how to lift data processing efficiency, it has also become lifting section is surveyed
The key of amount whole work efficiency.
Engineering survey application surface extensively, in field process, be on the increase by the method for the instrumentation and testing of use.In tradition
Engineering survey in, due to the productivity, the tool of production, data processing technique backwardness so that interior industry and field operation produce seriously takes off
Section.Data structure disunity, artificial link is many, and process time is long, and total quality is difficult to supervise, with wanting that Mapping Informatization produces
Seek gap.Instantly engineering survey field process efficiency is greatly improved than before, and interior industry efficiency relatively lags behind, so
Need to manage to improve the work efficiency of interior industry.
At present, when using GPS RTK gathered data, its cross-section data processing aspect adopts two methods substantially：（1）Outward
Require every cross-section input regulation to call the roll during industry collection, to identify different cross-section.The method is perfectly facing data and is operated, no
Method realizes visualization it is impossible to find the problem of cross-section data acquisition from machine plotting data.Additionally, the method will in field data acquisition
Ask input regulation to call the roll, easily malfunction and field operation working performance can be reduced.（2）By field data machine plotting, by hand to every section
Line, using DWSMSK software, frame selects each cross-section, stake mileage calculation exporting in input respectively afterwards.The advantage of the method
It is operation visualization, but data processing is comparatively laborious, efficiency is low, and the method increase the probability producing personal error.
The present invention is based on and carries out secondary development to CAD (Computer Aided Design, computer-aided design)
In process, industry data is a kind of effective method.On the basis of AutoCAD, using embedded CAD secondary development tool VBA
（Visual Basic for ApplicationsVBA, is a kind of macrolanguage of Visual Basic）Carry out secondary development.Real
Show the immediate processing method of transverse section data processing in mapping.Can be exported according to the data form that user needs, made former
This loaded down with trivial details processing procedure becomes directly perceived, simply thus improving industry efficiency in mapping.
Content of the invention
In order to improve industry work efficiency in engineering survey, improve Mapping Informatization level, the present invention provides a kind of utilization
The method that transverse section process is realized in AutoCAD secondary development, methods described is carried out using embedded CAD secondary development tool VBA
Secondary development it is achieved that mapping in transverse section data immediate processing method.
By cass data machine plotting, middle stake screening, adopt automatic connecting, horizontal stroke in traverse point line, traverse point line
The three kinds of methods of manual line and the manual line of traverse point that break are realized, and ultimately produce cross-section boost line data set, need by user
Export cross-section data.The cross-section data generating is for realizing the process of transverse section, calculating the offer such as earth volume in the working service of downstream
Technical support.Originally loaded down with trivial details processing procedure is made to become directly perceived, simple and improve industry efficiency in mapping.
For realizing above-mentioned target, the present invention employs the following technical solutions in terms of traverse point line：
(1). the slope of stake point angular bisector in judgement
Referring to accompanying drawing 1, the tandem according to middle stake calculates the slope of stake point angular bisector in each, and angular bisector is approximately oblique
Shown in the specific formula for calculation of rate such as formula (1-1)：
（1-1）
Wherein k1For the slope of stake line in stake in this and upper, k2Slope for stake line in stake in this and next.
Using approximated slope k and middle stake pointLinear equation can be done, bring intoFormer and later two in stake
Point is judged, if 2 points are located at the same side, angle separated time slope mistake, correct angle separated time slope should be.
If 2 points in homonymy, angular bisector slope now is required slope, above method may be defined as function and carries out
Judge.
Calculate bivector multiplication cross
Shown in bivector multiplication cross formula such as formula (1-2)：
（1-2）
In formulaFor middle stake point coordinates,For previous middle stake point coordinates（Press vertical disconnected advance side in front and back
To differentiation）,For elevation point coordinates in choice set GCDXZJ_HD.Pass through after multiplication crossPositive and negative determination in middle stake
The left and right of line.
Calculate distance between beeline and dot
(3.1) the manual wiring algorithm of transversal
Seek in choice set the distance a little to the straight line of left and right end points composition using distance between beeline and dot formula, put straight line away from
From formula such as formula (1-3) Suo Shi：
(1-3)
In formulaWithIt is with any two points on the straight line of left and right end points composition（Generally left and right two ends
Point coordinates）,For the arbitrfary point in choice set.
(3.2) automatic connecting algorithm
According to "（1）The slope of stake point angular bisector in judgement " built the linear equation such as formula of the angular bisector of middle stake point（1-
4）Shown：
（1-4）
Calculate a bit on straight line using this formula（Corresponding Y in linear equation can be obtained by adding 1 in middle stake point X-axis coordinate
Value）With 2 points on middle stake point composition straight line [in corresponding 1-3With], carried out using formula (1-3)
In calculating choice set, other points are [in corresponding 1-3] to this straight line distance.
, invention main points
A kind of based on AutoCAD secondary development realize mapping transverse section process method it is characterised in that：Methods described is passed through
Cass data machine plotting, middle stake screening, through traverse point line, generate cross-section boost line data set, need to export by user cross-section
Data, for realizing the process of transverse section, calculating the offer technical support such as earth volume in mapping.
Described middle stake screening refers to the measurement work to a direction topographic profile according to circuit, finds out middle stake data exhibition
Point, the entitled mileage of middle stake point and before measurement data band "+" number, such as " 0+100 ", clicked through by raw data file centering stake
Row identification, after opening data, carries out pretreatment to data, leave strip "+" data be defaulted as middle stake, and stake data set in being formed
data_zz.
Described traverse point line is divided into the manual line of automatic connecting, transversal and three kinds of modes of the manual line of traverse point.Its
The manual line of middle traverse point is using traditional point-to-point manual type connection mode.
In described traverse point line, automatic connecting comprises the following steps：
1）Setting relief area numerical value, arranges threshold value, chooses traverse point choice set with mouse drag rectangle frame, choose data traverse point
Choice set data, chooses without mouse and is then defaulted as the full lectotype of data traverse point.
2）Defined function, according to the tandem of middle stake, stake point data and position in each in ergodic data collection data_zz
Put, and according to middle stake Data Position before and after stake point in this, calculate middle stake point with its before and after in stake slope judge that in this, stake point is near
Slope like angular bisector；Slope according to stake point angular bisector approximate with it in each builds traverse point boost line near linear
Function.
3）Traversal choice set data, calculate each traverse point arrive its correspondence traverse point boost line near linear function away from
From choice set again being screened according to user's given threshold, if being less than user's setting value, being selected into the choice set GCDXZJ_ of new establishment
HD；
4）Traversal choice set GCDXZJ_HD, corresponding middle stake point carries out bivector multiplication cross formula and can determine whether out that this is cross-section
The point whole elevational point of boost line is in the left and right of direction of advance；By to ask 2 points of range formulas can find cross-section the most left with middle stake point
End points；
5）All traverse points in traversal choice set GCDXZJ_HD, corresponding cross-section the most left traverse point enters row distance and calculates, and utilizes
Caving area, according to from left to right, order from the close-by examples to those far off is to measuring height of section point line, and creates the selection of stake point in this
Collection.
6）To stake point execution above-mentioned 2 in each of data set data_zz）To 5）Step, forms the difference of stake point in difference
Choice set.
In described traverse point line, the manual line of transversal comprises the following steps：
1）Setting relief area numerical value, arranges threshold value.Choose end points about transversal, set up as rectangle frame using left and right end points and select
Collection；When the transversal chosen is horizontal or vertical straight line, set up choice set with two times of width of user setup threshold value for rectangle frame.
2）Traversal choice set, is asked in choice set a little to the straight line of left and right end points composition using distance between beeline and dot formula
Distance；
3）The threshold value screening being set according to user, when distance between beeline and dot is less than the point of threshold value, is assigned to new choice set
GCDXZJ_HD.
4）All traverse points in traversal choice set GCDXZJ_HD, corresponding cross-section the most left traverse point enters row distance and calculates,
Using caving area, according to from left to right, order from the close-by examples to those far off is to measuring height of section point line, and creates the choosing of stake point in this
Select collection.
The method is the method realizing transverse section process using AutoCAD, VBA secondary development.And carry out in the present context
Middle stake is screened, is set up choice set, connect multi-line section, measure distance, pluck altitude data, data output.
The cross-section boost line data set of described generation is by Software Create, generates data subset according to middle pile No., exports " *
.CSV " Outcome Document, available third party software carries out transverse section one-tenth figure, can be intuitive to see the feelings of every transverse section after one-tenth figure
Condition, can be for realizing the process of transverse section, calculating the reliable technical support of offer such as earth volume in the working service of downstream.
Advantages of the present invention and having the beneficial effect that：Realized cross-section using secondary development function VBA of common software AutoCAD
The quick process in face, both efficient and convenient, and without input, in mapping operations cross-section data processing effect can be substantially improved
Rate, has extensive application value.
Brief description
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is traverse point automatic connecting result figure of the present invention.
Fig. 2 is traverse point automatic connecting run macro dialog boxes screenshot capture of the present invention.
Fig. 3 is error in data prompting figure during traverse point automatic connecting of the present invention.
Fig. 4 is the cross-section one-tenth illustrated example that cross-section data output result of the present invention generates.
Fig. 5 is the flow chart of transverse section of the present invention processing method.
Specific embodiment
Embodiment
Referring to accompanying drawing 1-5, according to above-mentioned steps and method, we carry out transverse section using the data of certain map service of designing institute
Process.
A kind of method realizing the process of mapping transverse section based on AutoCAD secondary development, methods described passes through cass data
Machine plotting, middle stake screening, through traverse point line, generate cross-section boost line data set, need to export cross-section data by user, for surveying
Painting the middle process realizing transverse section, calculating earth volume etc. provides technical support.
A kind of method realizing the process of mapping transverse section based on AutoCAD secondary development, the method comprising the steps of：
1）The initial data of GPS RTK collection
It is as shown in table 1 that the initial data of GPS RTK collection forms cass data machine plotting.
Table 1.CASS machine plotting format sample
In table 1. from left to right the 1st arrange to the 5th row be followed successively by the adopted data of GPS RTK：Roll-call, attribute, Y-coordinate, X-coordinate, elevation
（Normally high）, each one detail point data of behavior.
2）Middle stake screening
Middle stake screening refers to the measurement work to a direction topographic profile according to circuit, finds out middle stake data machine plotting, middle stake point
Entitled mileage and before measurement data band "+" number, such as " 0+100 ", be identified by raw data file centering stake point, beat
After opening data, data is carried out with pretreatment, leave strip "+" data be defaulted as middle stake.
3）Traverse point line
Traverse point line is divided into three kinds of connection modes, the manual line of automatic connecting, transversal and the manual line of traverse point.General and
In speech engineering, carry out automatic connecting first（High working efficiency）, when some local easily appearance mistakes of automatic connecting, such as at certain
Middle stake period nearer and middle stake point position is sharp turn flex point a bit, part measurement point can adopt the manual line of transversal or traverse point handss
Dynamic line, implements to repair to mistake.
3.1）Automatic connecting
Referring to accompanying drawing 1 and accompanying drawing 5, automatic connecting process is：
Load VBA program in the input Appload order of CAD order line first（Also can achieve Auto Loader）, then input
Vbarun order starts grand（The program that VBA writes if desired is run in order line, needs to be write with reference to VLISP）, such as scheme
Shown in 2, select " cross-section setting-out Auto " option.Now eject select file dialog box, need user to select the former of field data acquisition
Beginning data file, data form is table 1.CASS machine plotting form.Automatic connecting can be completed after choosing file.
3.2）The manual line of transversal
If easily mistake occurs using some transversals during automatic connecting function, can be by the manual line function of transversal to wrong
Section line carry out line again.
3.3）The manual line of traverse point
When mistake occurring using automatic connecting function or the manual line function of transversal some traverse points, can be manual by traverse point
Line function carries out line again to vicious traverse point.
4）Cross-section data calculates and miscue
Input vbarun order starts grand, the selection cross-section data options of calculating, and software will be prompted to user and chooses raw data file,
Form is with table 1.After-frame select whole multi-section-lines to be calculated, calculate and finish two-dimentional multi-section-line and will be changed into blue, if multi-section-line has
Node do not capture the elevational point center of circle or nodal point separation this cross-section then program can be drawn a circle automatically and pop-up dialogue box is carried too far
Show.Effect is as shown in Figure 3.
5）Form exports
Can export by different user demands after cross-section data genaration, one-tenth figure, the area of computer mapping software after output, can be utilized
The functions such as calculating, volume calculating carry out transverse section one-tenth figure, cross-sectional area calculating, Earthwork Calculation etc..
5.1）Output * .CSV becomes the cross-section data of bitmap-format
* .CSV becomes the cross-section achievement of bitmap-format is to generate the surveying and mapping result that cross-sectional view needs, concrete data form such as table 2.
Table 2.*.CSV format sample
Note：* item is middle stake pile No., is placed in first trip
In table 2, first is classified as cross-section each point with a distance from middle stake, and "-" represents the stake in a direction of advance left side, " 0 " representative of this point, just
It is right in direction of advance that number represents this point.Second is classified as this corresponding height value of point.In addition to first trip every a line be 0+041 cross-section on
The performance data of one point.
Data prediction, only retain band of calling the roll "+" data, be defaulted as vertical disconnected data.Set up choice set, choose all horizontal strokes
Broken string.By vertical broken string（Traveled through by the coordinate order of Polyline two dimension multi-section-line）Plane coordinatesSearch
Plane coordinates identical point is had or not, if having, this point must be this transversal middle stake in cross-section.
Export the order such as table 2 during * .CSV form, first for pile No., in this, pile No. of stake is Excel initial data
In roll-call.The middle pilespacing of behavior traverse point afterwards and elevation.Specifically the method for this two item data of acquisition is：From cross-section two dimension
* the .Coordinates () attribute of multi-section-line is in order（From left to right）Extract coordinate, with middle stakeFor
A bit, use distance between two points formula, the distance that order point is specified in middle stake to transversal can be obtained, use * simultaneously
.Coordinates () attribute extraction corresponding height value of every bit.
5.2) export the cross-section data of * .txt form
* .txt form is another kind of form that certain map service of designing institute provides surveying and mapping result, and this form is for sections such as design, planning
Carry out into figure, calculate the use such as earth volume.* the difference of .CSV formatted file and * .txt formatted file is the latter to horizontal stroke
In disconnected, the number of stake left-right dots is counted, and left and right is no longer made a distinction with "-".Concrete data form is as shown in table 3.
Table 3 * .txt format sample
Table 3 form is：
A X Y
a1 b1 a2 b2 a3 b3...
Wherein A is middle stake pile No., and X is the number in direction of advance left side point（Including in stake point）, Y is point on the right of direction of advance
Number, a is the distance of all elevational points relatively middle stake from left to right, and b is the height value of this elevational point.
By the file of * .CSV form, pile No., distance and elevation information in can obtaining.The number of elevational point about middle stake
Do statement can be used, counted from adding row by variable.And distance and elevation information can also be carried out with string variable certainly
Plus, exported after adding up all characters.The each cross-section data that can get * .txt form according to established form output.
6）Transverse section becomes figure
* .CSV Outcome Document can carry out transverse section one-tenth figure with third party software, can intuitively see every transverse section after one-tenth figure
Situation, referring to accompanying drawing 4.In figure, pile No. is located at figure top, and inverted triangle represents this cross-section middle stake position.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the field, can also do on the basis of the above description
Go out change or the variation of other multi-forms.There is no need to be exhaustive to all of embodiment.And thus drawn
The obvious change stretched out or change among still in protection scope of the present invention.
Claims (7)
1. a kind of based on AutoCAD secondary development realize mapping transverse section process method it is characterised in that：Methods described is passed through
Cass data machine plotting, middle stake screening, through traverse point line, generate cross-section boost line data set, need to export by user cross-section
Data, for realizing the process of transverse section, calculating the offer technical support such as earth volume in mapping.
2. as claimed in claim 1 a kind of based on AutoCAD secondary development realize mapping transverse section process method, its feature
It is：Described middle stake screening refers to the measurement work to a direction topographic profile according to circuit, finds out middle stake data machine plotting, in
Stake put entitled mileage and before measurement data band "+" number, such as " 0+100 ", known by raw data file centering stake point
, after opening data, data is not carried out with pretreatment, leave strip "+" data be defaulted as middle stake, and stake data set in being formed
data_zz.
3. as claimed in claim 1 a kind of based on AutoCAD secondary development realize mapping transverse section process method, its feature
It is：Described traverse point line is divided into the manual line of automatic connecting, transversal and three kinds of modes of the manual line of traverse point.Wherein horizontal
The manual line of breakpoint is using traditional point-to-point manual type connection mode.
4. a kind of method that the process of mapping transverse section is realized based on AutoCAD secondary development as described in claim 1 or 3, its
It is characterised by, in described traverse point line, automatic connecting comprises the following steps：
1）Setting relief area numerical value, arranges threshold value, chooses traverse point choice set with mouse drag rectangle frame, choose data traverse point
Choice set data, chooses without mouse and is then defaulted as the full lectotype of data traverse point.
2）Defined function, according to the tandem of middle stake, stake point data and position in each in ergodic data collection data_zz, and
According to middle stake Data Position before and after stake point in this, calculate middle stake point and judge that in this, approximate angle of stake point is put down with stake slope middle before and after it
The slope of separated time；Slope according to stake point angular bisector approximate with it in each builds traverse point boost line near linear function.
3）Traversal choice set data, calculates each traverse point to the distance of its corresponding traverse point boost line near linear function,
Choice set again being screened according to user's given threshold, if being less than user's setting value, being selected into the choice set GCDXZJ_HD of new establishment；
4）Traversal choice set GCDXZJ_HD, corresponding middle stake point carries out bivector multiplication cross formula and can determine whether out that this is cross-section
The point whole elevational point of boost line is in the left and right of direction of advance；By to ask 2 points of range formulas can find cross-section the most left with middle stake point
End points；
5）All traverse points in traversal choice set GCDXZJ_HD, corresponding cross-section the most left traverse point enters row distance and calculates, and utilizes
Caving area, according to from left to right, order from the close-by examples to those far off is to measuring height of section point line, and creates the selection of stake point in this
Collection.
6）To stake point execution above-mentioned 2 in each of data set data_zz）To 5）Step, forms the different choice of stake point in difference
Collection.
5. a kind of method that the process of mapping transverse section is realized based on AutoCAD secondary development as described in claim 1 or 3, its
It is characterised by, in described traverse point line, the manual line of transversal comprises the following steps：
1）Setting relief area numerical value, arranges threshold value.Choose end points about transversal, set up as rectangle frame using left and right end points and select
Collection；When the transversal chosen is horizontal or vertical straight line, set up choice set with two times of width of user setup threshold value for rectangle frame.
2）Traversal choice set, using distance between beeline and dot formula ask in choice set the straight line forming to left and right end points a little away from
From；
3）The threshold value screening being set according to user, when distance between beeline and dot is less than the point of threshold value, is assigned to new choice set
GCDXZJ_HD.
4）All traverse points in traversal choice set GCDXZJ_HD, corresponding cross-section the most left traverse point enters row distance and calculates, and utilizes
Caving area, according to from left to right, order from the close-by examples to those far off is to measuring height of section point line, and creates the selection of stake point in this
Collection.
6. as claimed in claim 1 a kind of based on AutoCAD secondary development realize mapping transverse section process method, its feature
It is：The method is the method realizing transverse section process using AutoCAD, VBA secondary development.And carry out middle stake in the present context
Screen, set up choice set, connect multi-line section, measure distance, pluck altitude data, data output.
7. as claimed in claim 1 a kind of based on AutoCAD secondary development realize mapping transverse section process method, its feature
It is：The cross-section boost line data set of described generation is by Software Create, generates data subset according to middle pile No., exports " *
.CSV " Outcome Document, available third party software carries out transverse section one-tenth figure, can be intuitive to see the feelings of every transverse section after one-tenth figure
Condition, can be for realizing the process of transverse section, calculating the reliable technical support of offer such as earth volume in the working service of downstream.
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| CN111611539A (en) * | 2020-04-02 | 2020-09-01 | 广东邦鑫数据科技股份有限公司 | Section extraction method, system and device for water depth measurement data and storage medium |
| CN113408033A (en) * | 2021-07-06 | 2021-09-17 | 河南省水利勘测设计研究有限公司 | Cross section mapping method in hydraulic engineering measurement |
| CN113450076A (en) * | 2021-07-06 | 2021-09-28 | 河南省水利勘测设计研究有限公司 | Hydraulic engineering measurement integrated intelligent processing service platform |
| CN113450076B (en) * | 2021-07-06 | 2024-02-09 | 河南省水利勘测设计研究有限公司 | Hydraulic engineering measures integrated intelligent processing service platform |
| CN113408033B (en) * | 2021-07-06 | 2024-02-09 | 河南省水利勘测设计研究有限公司 | Cross section mapping method in hydraulic engineering measurement |
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