CN107918933B - The method, apparatus and storage device of format data stream file measurement - Google Patents
The method, apparatus and storage device of format data stream file measurement Download PDFInfo
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- CN107918933B CN107918933B CN201711224827.0A CN201711224827A CN107918933B CN 107918933 B CN107918933 B CN 107918933B CN 201711224827 A CN201711224827 A CN 201711224827A CN 107918933 B CN107918933 B CN 107918933B
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06T7/0002—Inspection of images, e.g. flaw detection
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- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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Abstract
This application discloses a kind of method of format data stream file measurement, method includes: at least two o'clock on the label format data stream file；Calculate the drawing distance under current ratio between institute's mark point；The actual range between institute's mark point is calculated according to the scale bar of the drawing distance and the format data stream file, may be implemented to calculate the actual range between the point of necessary requirement by the above method, promote user experience.
Description
Technical field
This application involves a kind of fields of measurement is arrived, more particularly to a kind of method, apparatus of format data stream file measurement
And storage device.
Background technique
Currently, can only be carried out to format data stream file pre- after AutoCad file has been changed into format data stream file
It lookes at and marks, be unable to measure the distance between points to format data stream file, that is, can not calculate actual between a little
Distance, it is even more impossible to the areas of the figure specifically surrounded to multiple two to measure.
Summary of the invention
The application provides the method, apparatus and storage device of a kind of format data stream file measurement, may be implemented in version
Two o'clock is marked and is measured on formula data streaming file, obtains marked the distance between two o'clock, and marked to
The area of 3 points of figures surrounded on few no longer same straight line.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of format data stream text
The method of part measurement, which comprises mark at least two o'clock on the format data stream file；Calculate institute under current ratio
Drawing distance between mark point；It is calculated and is marked according to the scale bar of the drawing distance and the format data stream file
Actual range between point.
In order to solve the above technical problems, another technical solution that the application uses is, described device include processor with
And memory, the processor connect the memory；Wherein, the processor is for marking the format data stream file
At least two o'clock；Calculate the drawing distance under current ratio between institute's mark point；According to the drawing distance and the format number
The actual range between institute's mark point is calculated according to the scale bar of stream file.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of storage device, store
There is the program file that can be realized any of the above-described method item.
The beneficial effect of the application is: a kind of method of format data stream file measurement is provided, by marking format data
The two o'clock of stream file calculates the drawing distance of two o'clock, can be in conjunction with the scale bar of drawing distance and format data stream file
Calculate the actual range on format data stream file between two o'clock.
Detailed description of the invention
Fig. 1 is the flow diagram of the application format data stream file measurement first embodiment；
Fig. 2 is the flow diagram of mono- embodiment of step S11 in Fig. 1；
Fig. 3 is a specific embodiment schematic diagram in Fig. 1；
Fig. 4 is the flow diagram of the application format data stream file measurement second embodiment；
Fig. 5 is the flow diagram of the application format data stream file measurement third embodiment；
Fig. 6 is the flow diagram that the application format data stream file measures the 4th embodiment；
Fig. 7 is the schematic diagram of 3 points of area of a polygon surrounded in the application not on the same line；
Fig. 8 is the application not area schematic diagram of 3 points of another polygons surrounded on the same line；
Fig. 9 is the structural schematic diagram of one embodiment of device of the application format data stream file measurement；
Figure 10 is the structural schematic diagram of one embodiment of the application storage device.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
When being operated to format data stream file, format data stream file resolution ratio namely current screen in fact
Resolution ratio, screen resolution can there are many, but in this application, the computer resolution ratio 72dpi generally used, in format number
According in stream file drawing course, the scale bar of format data stream file and actual object is not limited, but in the present specification
In embodiment, the preset ratio ruler of format data stream file and actual object is 1:Y, is measured in specific format data stream file
Among, a variety of multiples can be carried out to format data stream file and zoomed in or out, do not further limited here, but at this
In the embodiment of application, amplification and the multiple reduced are P, and P herein can may be decimal, specific number for integer
The application does not further limit, and user can select according to the actual situation.
Referring to Fig. 1, Fig. 1 is the flow diagram of the application format data stream file measurement first embodiment.Wherein,
Format data stream file is that we commonly see figure tool, when CAD diagram paper is converted into format data stream file, sometimes
It needs measurement just to seem to be more troublesome, a kind of method that there is presently provided format data stream file measurement, and specific format number
According to stream file measurement method the following steps are included:
S10 marks at least two o'clock on format data streaming file；
In the particular embodiment, if necessary to the distance between arbitrary point and point on measurement format data stream file, then
It needs at least to mark two o'clock, the area if necessary to measure figure on format data stream file then at least needs 3 points of label, mark
Remember at least two o'clock on format data stream file.
S11 calculates the drawing distance under current ratio between institute's mark point.
In step S11, calculates the distance between arbitrary point on format data stream file and need to realize by its resolution ratio.
Referring to Fig. 2, Fig. 2 is the another embodiment of the application, but it is built upon on the basis of Fig. 1 step S11, step
S11 further comprises following sub-step:
S111 calculates the pixel distance under current ratio on format data stream file in institute's mark point between every two o'clock.
In the present embodiment, current ratio refers in the current format that pixel distance is marked and calculated to two o'clock
Under ratio at data streaming file, comprising: original scale, under magnification ratio and under diminution ratio, wherein original scale
Refer to ratio when current format data stream file and actual range scale bar are 1:Y, magnification ratio refers to relatively primitive ratio
The lower amplification of example, diminution ratio refers to be reduced under relatively primitive ratio.
In one application scenarios of the application, when user checks format data stream file, need to obtain it
The distance of middle two o'clock, to extrapolate the size of the actual range between two o'clock.Since format data stream file is can to carry out
Corresponding multiple zooms in or out, if simply going the distance between calculating two o'clock by drawing distance, it is easy to appear accidentally
Difference just needs to measure by a relatively-stationary value here, that is, resolution ratio (can be shown on fixed size screen
Pixel how much).
Further, the format data stream file under current ratio, user need to know two on format data stream file
The direct distance of point, first has to that two o'clock is marked, and just two o'clock is marked, then according to the position of two o'clock, meter
Calculate the pixel distance between two o'clock.
It is a specific embodiment schematic diagram in Fig. 1 refering to Fig. 3, Fig. 3, that is, distance between two points measure in the application
Schematic diagram.
In this example, it is assumed that calculate A on format data stream file, the pixel distance between B two o'clock is right first
A and B point is marked, and then calculates the pixel distance between A point and B point, in the present embodiment, between A and B two o'clock
Pixel distance be X, but in other cases, it may be possible to three points, the distance between four points or even multiple points.
S112 is calculated between every according to the resolution ratio of pixel distance and the format data stream file between every
Drawing distance.
According to the resolution ratio of the pixel distance of every two o'clock and current format data stream file between institute's mark point, calculate
Drawing distance between two o'clock.
Optionally, according in different resolution pixel distance and drawing distance have different formulas, in this reality
It applies in example, screen resolution uses 72dpi, at this point, the formula of pixel distance and drawing distance are as follows: 1 centimetre=28.346 pixels,
Namely drawing distance (cm)=pixel (pi)/28.346, but in other embodiments, such as when resolution ratio is preset as 300dpi
When, the formula of pixel distance and drawing distance at this time are as follows: 1 centimetre=118.11 pixels, that is to say, that drawing distance (cm)=as
Plain (pi)/118.11, certainly, screen resolution is not construed as limiting herein.
A is such as calculated, the drawing distance between B point, according to the available A of step S10, the pixel distance between B two o'clock is
X can calculate A, B two o'clock drawing distance are as follows: X/ according to the preset relation between the drawing distance and pixel distance of point-to-point transmission
28.346(cm)。
S12 calculates the actual range between institute's mark point according to the scale bar of drawing distance and format data stream file.
After obtaining the drawing distance between two o'clock, according to the preset ratio of format data stream file drawing and actual object
Ruler can calculate the actual range between two o'clock.
In the present embodiment, the preset ratio ruler of drawing distance and actual object when format data stream file is drawn is 1:
Y；So A according to obtained in step S11, B two o'clock drawing distance, then can calculate A, the actual range between B two o'clock,
In the present embodiment, A, the actual range between B two o'clock are as follows: Y*X/28.346 (cm).
In above embodiment, by calculating the pixel distance between the two o'clock marked in format data stream file, pass through
The relationship of pixel distance and drawing distance obtains drawing distance under different resolution, then according to drawing distance and actual range
Scale bar relationship, obtain actual range.
Referring to Fig. 4, Fig. 4 is the flow diagram of the application format data stream file measurement second embodiment.
In actual operation, when user needs to know the distance between lesser component in format data stream file,
But if with current format data stream file scale marker, in fact it could happen that error occurs in mark position, can not be accurately
The point measured required for being tagged to, then need further to be amplified format data stream file, and user can be accurately right
The point of required measurement is marked, and the present embodiment is exactly when amplifying place according to preset ratio in format data stream file
When reason, the algorithm of actual range between two o'clock.
S20 marks at least two o'clock under current magnification ratio on format data stream file.
In the case where the amplification of format data stream file, to currently at least two o'clock is marked.S21, calculate every two o'clock it
Between pixel distance, wherein pixel distance and format data stream file amplification factor having the same.
After wherein two o'clock is marked, the pixel distance between marked two o'clock is calculated, further, due to current
Format data stream file is amplification, meanwhile, pixel distance and format data stream file also amplification factor having the same, so
Record current amplification factor.
S22, according to the pixel distance of the resolution ratio of format data stream file and point-to-point transmission, calculate drawing between two o'clock away from
From.
Further, it is assumed that the pixel distance of the two o'clock marked under the current magnification ratio of format data stream file is
Max, recording current format data stream file amplification factor is P, in calculating, that is to say, that pixel distance is also exaggerated,
But resolution ratio is there is no variation, then drawing distance with the ratio of pixel distance again without change, being marked at this time
Drawing distance between two o'clock are as follows: Max/28.346 (cm).
S23 calculates the actual range between two o'clock according to the current scale bar of format data stream file.
But since format data stream file at this time is in amplification, and amplification factor is P, then pixel distance also can
Therefore P times of amplification, that is, drawing distance can also amplify P times, and with regard to current magnifying state format data stream file and
The scale bar of actual object will do it corresponding amplification, since the scale bar of initial format data stream file and actual object is
1:Y, and format data stream file amplification factor is P, then currently the scale bar of amplification format data streaming file and actual object becomes
Are as follows: P:Y, that is to say, that the actual range between two o'clock marked under current amplification factor is (Y*Max)/(P*28.346)
(cm)。
In above embodiment, by amplify format data streaming file, can more accurately to required calculating extremely
Few two o'clock is marked, and then passes through the ratio and drawing distance and reality of amplification factor and pixel distance and drawing distance
The scale bar relationship of border object calculates in at least two o'clock of amplified current format data stream file label between two o'clock
Distance.
It is the flow diagram of the application format data stream file measurement third embodiment refering to Fig. 5, Fig. 5.
In actual operation, when user needs to know the distance between biggish component in format data stream file,
, may be under current ratio but due to the restriction of drawing, the two o'clock that can not be measured required for complete mark, at this point,
With regard to needing to reduce current format data stream file.And the present embodiment be exactly when in format data stream file according to default ratio
When example carries out reducing processing, actual range between two o'clock on drawing is calculated.
S30 marks under current diminution ratio two o'clock on format data stream file.
In the case where format data stream file reduces, to currently at least two o'clock is marked.S31 is calculated between two o'clock
Pixel distance, wherein pixel distance and format data stream file minification having the same.
After wherein two o'clock is marked, the pixel distance between marked two o'clock is calculated, further, due to current
Format data stream file is diminution, meanwhile, pixel distance and format data stream file also minification having the same, so
Record current minification.
S32, according to the pixel distance of the resolution ratio of format data stream file and point-to-point transmission, calculate drawing between two o'clock away from
From.
Further, it is assumed that the pixel distance of the current two o'clock marked under diminution ratio of format data stream file is
Min, recording current format data stream file minification is P, in calculating, that is to say, that pixel distance is also reduced,
But resolution ratio is there is no variation, then drawing distance with the ratio of pixel distance again without change, being marked at this time
Drawing distance between two o'clock are as follows: Min/28.346 (cm).
S33 calculates the actual range between two o'clock according to the current scale bar of format data stream file.
But since format data stream file at this time is in diminution, and minification is P, then pixel distance also can
Therefore reduce P times, that is, drawing distance can also reduce P times, and with regard to current deflated state format data stream file and
The scale bar of actual object will do it corresponding diminution, since the scale bar of initial format data stream file and actual object is
1:Y, and format data stream file minification is P, then currently reduces format data streaming file and the scale bar of actual object becomes
Are as follows: 1:Y*P, that is to say, that the actual range between two o'clock marked under current minification is (P*Y*MIN)/28.346
(cm)。
It, can be more by carrying out diminution processing according to presupposition multiple to format data stream file in above embodiment
Comprehensively at least two o'clock of required calculating is marked, then passes through minification and pixel distance and drawing distance
The scale bar relationship of ratio and drawing distance and actual object calculates the current format data stream file label after reducing
At least two o'clock in the distance between two o'clock.
Refering to Fig. 6, Fig. 6 is the 4th embodiment of the application format data stream file measurement, and the present embodiment is built upon figure
On the basis of 1, specific step is as follows:
S40 marks at least 3 points not on the same line on format data streaming file
In the particular embodiment, if user needs to check a certain range of area, need at least 3 points of label,
And it is special, on the multiple points marked at least 3 points of no longer same straight lines.
S41 calculates the actual range under current ratio on the format data stream file in institute's mark point between every two o'clock.
Above-mentioned first into N embodiment, how to be acquired under different drawing amplification factors and resolution ratio
Actual range has had clear introduction, is not repeating here.
S42 goes out the area for the figure that institute's mark point surrounds according to the actual distance calculation between every two o'clock.
What can be will be apparent that in above-described embodiment obtains, the distance between every two o'clock between the point marked, these
The polygon that institute's mark point surrounds can resolve into multiple triangles, according to the formula of triangle area and side length, can find out
Triangle area, in the addition by each triangle area, it can be deduced that the area of polygon.
It is please showing for 3 points of area of a polygon surrounded in the application not on the same line referring particularly to Fig. 7, Fig. 7
It is intended to.
If finding out the area of △ A1B1C1, according to can be found out in the above embodiments two o'clock between 3 points away from
From, it is assumed that the actual range between A1B1 is a, and the actual range between B1C1 is b, and the actual range between C1A1 is c.
So area of △ A1B1C1 are as follows:Wherein, p=(a+b+c)/2.
It is please that the area of 3 points of another polygons surrounded does not show the application on the same line referring particularly to Fig. 8, Fig. 8
It is intended to.
If it is required that the area of the polygon surrounded, is by graphics decomposition first into multiple triangles, specific way
It is that the multiple points that will be marked surround a polygon, and find out this polygon each edge according to the method in above-described embodiment
Physical length, a point is then chosen between multiple points of this label, and calculate the point that this point is marked to other
Distance.
Referring particularly to Fig. 8, wherein assume to mark A2, B2, D2, this five points of E2, C2 form a pentagon, and
Point A2 therein is chosen, and A2 is connected with other all the points, just obtain three triangles, is △ A2B2D2, △ respectively
A2D2E2, △ A2E2C2, in other embodiments, the point of selection are not construed as limiting, and can be B2, D2 and others are marked
Point.
Further, measure polygon A2B2D2E2C2 area only need to measure △ A2B2D2, △ A2D2E2 and
The area of △ A2E2C2 and, according to the above embodiments, it is easy to the area that can be obtained by each triangle.
In other embodiments, 1 points can be not further here to be limited to be multiple, but it is no matter how many
It is a, polygon can be decomposed into multiple triangles, and the area by seeking each triangle, most as in the present embodiment
The area of each triangle is added to the area for obtaining entire polygon afterwards, the present embodiment has been merely given as an enlightenment, not
It is further to be limited.
Refering to the structural schematic diagram for one embodiment of device that Fig. 9, Fig. 9 are the measurement of the application format data stream file.
In the present embodiment, which includes processor 10 and memory 11, and processor 10 connects memory 11.
Wherein, the processor is used to mark at least two o'clock on the format data stream file；It calculates under current ratio
Drawing distance between institute's mark point；It is calculated and is marked according to the scale bar of the drawing distance and the format data stream file
Actual range between note point.
Wherein, processor 10 can also be known as CPU (Central Processing Unit, central processing unit).Processing
Device 10 may be a kind of IC chip, the processing capacity with signal.Processor 10 can also be general processor, number
Signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices
Part, discrete gate or transistor logic, discrete hardware components.General processor can be microprocessor or the processor
It is also possible to any conventional processor etc..
The modules terminal of above equipment can execute step corresponding in above method embodiment respectively, therefore not right herein
Each module is repeated, and please refers to the explanation of the above corresponding step in detail.
0, Figure 10 is the structural schematic diagram of one embodiment of the application storage device refering to fig. 1.
The storage device of the application, which is stored with, can be realized the above-mentioned methodical program file 31 of institute, which can
Be stored in above-mentioned storage device in the form of software products, while the data of various calculating are still recorded, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) or processor
(processor) all or part of the steps of each embodiment method of the application is executed.And storage device above-mentioned includes: U
Disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access
Memory), the various media that can store program code such as magnetic or disk or computer, server, mobile phone, flat
The terminal devices such as plate.
In conclusion it should be readily apparent to one skilled in the art that the application provides a kind of side of format data stream file measurement
Method, the pixel distance of at least two o'clock by calculating label, by the relationship between pixel distance and drawing distance, to calculate
The drawing distance of at least two o'clock marked out can be realized in the scale bar according to format data stream file and actual object
The actual range of at least two o'clock marked is obtained, further, in the case where 1 point of label, by the multiple of label
The surrounded polygon of point resolves into multiple triangles, and according to the relationship of triangle area and side length, obtains the face of triangle
Product achievees the purpose that the area for measuring the figure that institute's mark point surrounds to obtain the area of polygon, promotes user and used
User experience in journey.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (7)
1. a kind of method of format data stream file measurement, which is characterized in that the described method includes:
Mark at least two o'clock on the format data stream file；
The drawing distance under current ratio between institute's mark point is calculated according to the resolution ratio of the format data stream file；
Wherein, the pixel distance under current ratio on the format data stream file in institute's mark point between every two o'clock is calculated；
According to the resolution ratio of pixel distance and the format data stream file between every two o'clock, calculate every two o'clock it
Between drawing distance；
It is calculated in institute's mark point between every two o'clock according to the scale bar of the drawing distance and the format data stream file
Actual range.
2. the method according to claim 1, wherein the method further includes:
Mark at least 3 points not on the same line on the format data stream file；
Calculate the actual range under current ratio on the format data stream file in institute's mark point between every two o'clock；
Go out the area for the figure that institute's mark point surrounds according to the actual distance calculation between every two o'clock.
3. the method according to claim 1, wherein drawing distance and the pixel distance between the mark point
Between there are preset relations.
4. a kind of device of format data stream file measurement, which is characterized in that described device includes processor and memory, institute
It states processor and connects the memory；
Wherein, the processor is used to mark at least two o'clock on the format data stream file；According to the format data stream
The resolution ratio of file calculates the drawing distance under current ratio between institute's mark point；The processor is for calculating under current ratio
Pixel distance on the format data stream file in institute's mark point between every two o'clock: according to the pixel between every two o'clock away from
From the resolution ratio with the format data stream file, the drawing distance between every two o'clock is calculated；According to the drawing distance
And the scale bar of the format data stream file calculates the actual range in institute's mark point between every two o'clock.
5. device according to claim 4, which is characterized in that the processor is further used for marking the format data
At least 3 points not on the same line on stream file；Calculate under current ratio institute's mark point on the format data stream file
In actual range between every two o'clock；Go out the figure that institute's mark point surrounds according to the actual distance calculation between every two o'clock
The area of shape.
6. device according to claim 4, which is characterized in that drawing distance and the pixel distance between the mark point
Between there are preset relations.
7. a kind of storage device, which is characterized in that be stored with the journey that can be realized such as any one of claim 1-3 the method
Preface part.
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