CN109141221A - A method of block area is measured by mobile terminal - Google Patents
A method of block area is measured by mobile terminal Download PDFInfo
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- CN109141221A CN109141221A CN201810823658.0A CN201810823658A CN109141221A CN 109141221 A CN109141221 A CN 109141221A CN 201810823658 A CN201810823658 A CN 201810823658A CN 109141221 A CN109141221 A CN 109141221A
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- point coordinate
- mobile terminal
- area
- satellite image
- block area
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/32—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring areas
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- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a kind of methods for measuring block area by mobile terminal, are related to Land area measure method field, the method for the present invention includes following steps: step 1, entering the satellite image page from mobile terminal；Step 2, it carries out satellite image to pull movement, zoom in or out, find the plot region for needing to measure；Step 3, starting point coordinate is determined on satellite image；Step 4, intermediate point coordinate is determined；Intermediate point coordinate is at least one or more；Step 5, terminal point coordinate is determined；One starting point coordinate, intermediate point coordinate and terminal point coordinate besieged city closed area；Step 6, the starting point coordinate data, intermediate point coordinate data and terminal point coordinate data for reading closed area, calculate the area of closed area；Step 7, closed area area is shown.The present invention solves the problems, such as that existing block area measurement method inefficiency, heavy workload, at high cost, the cost time is long.
Description
Technical field
The present invention relates to Land area measure method field more particularly to a kind of block area is measured by mobile terminal
Method.
Background technique
Land area measure is a kind of very useful measuring technique, with the development of science and technology, in many fields will
It is commonly used.Currently, most of measurement land area is using the measuring instrument measurement of profession and both modes of manual measurement.
Measuring instrument needs special purchase, and expense is high, is broadly divided into manually and automatically both of which: using manual mode
When measurement, entire measurement process all has to confirm each measurement point by hand, until terminal, the disadvantage is that the amount of labour is huge, time-consuming
Length, result are inaccurate, need professional technician proper use of；The side of more original manual measurement measurement land area
Method is mainly measured by zhang ruler, then calculates area manually.The disadvantage is that it is time-consuming and laborious, accuracy is low.
When being measured using automatic mode, that is, mu instrument is surveyed by hand-held, land area is measured, hand-held is surveyed
High-precision GPS sensor built in mu instrument, measuring instrument sampled measurements point at regular intervals, by farmland coordinate acquisition on the spot
Point forms the farmland profile of closure, surveys mu instrument embedded software and calculates the corresponding land area of the profile by algorithm, and will
Profile, which is stored in, surveys mu instrument local, and for the subsequent use of land survey personnel, when using mu instrument is surveyed, survey crew needs
One week mobile, the larger workload around farmland is taken long time, efficiency for large area farmland using mu instrument is surveyed
Lowly, result in that at high cost, acquisition data volume is big, calculates time-consuming length.Also, the measuring instrument that mu instrument is profession is surveyed, behaviour is used
Make more complex, unbred personnel's use can have a set threshold.Meanwhile surveying mu instrument price costly, and frequency of use
Not high, common peasant's purchase is relatively low using sexual valence.
Summary of the invention
It is an object of the invention to: to solve existing block area measurement method inefficiency, heavy workload, cost
Problem that is high, spending time length, the present invention provide a kind of method for measuring block area by mobile terminal.
To solve the above problems, technical scheme is as follows:
A method of block area is measured by mobile terminal, is included the following steps:
Step 1: entering the satellite image page from mobile terminal；
Step 2: carrying out satellite image to pull movement, zoom in or out, find the plot region for needing to measure；
Step 3: starting point coordinate is determined on satellite image；
Step 4: determining intermediate point coordinate；Intermediate point coordinate is at least one or more；
Step 5: determining terminal point coordinate；One starting point coordinate, intermediate point coordinate and terminal point coordinate besieged city closed area；
Step 6: reading the starting point coordinate data, intermediate point coordinate data and terminal point coordinate data of closed area, calculate envelope
The area of closed region；
Step 7: closed area area is shown.
Preferably, in the step 1, when entering the satellite image page, the initial display of the page is mobile terminal
It is automatically positioned position region.
Preferably, in the step 1, when entering the satellite image page, the initial display of the page is searched for user
Position region after Suo Dingwei.
Specifically, the highest resolution of the satellite image is at least 3 meters.
Further, in the step 3- step 5, the process of starting point coordinate, intermediate point coordinate and terminal point coordinate is determined
In, satellite image can be amplified, reduced and pulled.
Specifically, in the step 3- step 5, determine that the mode of starting point coordinate, intermediate point coordinate and terminal point coordinate is
Directly on satellite image click it needs to be determined that coordinate points.
Specifically, in the step 3- step 5, determine that the mode of starting point coordinate, intermediate point coordinate and terminal point coordinate is
It is determined and searching for target location in GPS positioning system, after searching for target location, the satellite image page can be jumped to and be searched
The target location region of rope is simultaneously determined coordinates of targets.
Specifically, in the step 3- step 5, determine that the mode of starting point coordinate, intermediate point coordinate and terminal point coordinate is
First pass through in GPS positioning system search for target location, then on satellite image click it needs to be determined that location point and determine.
Further, the mobile terminal can save the block area data measured each time, be transmitted.
Preferably, the method is to be realized by way of offline APP or online webpage in mobile terminal.
After adopting the above scheme, beneficial effects of the present invention are as follows:
(1) present invention solve existing block area measurement method inefficiency, heavy workload, it is at high cost, spend when
Between long problem, realize simple, efficiently land survey, survey crew no longer needs to in-site measurement, even if to measure farther out
Plot, can measure whenever and wherever possible.
(2) present invention realizes uses on the mobile apparatus, reduces technical threshold, for using user, almost
It is zero cost.
(3) present invention improves the accuracy of measurement using the fast satellite mapping of renewal frequency as base map.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will be more clear.In whole
Identical appended drawing reference indicates identical part in attached drawing.Attached drawing, emphasis deliberately are not drawn by actual size equal proportion scaling
It is to show the gist of the present invention.
Fig. 1 is flow diagram of the invention；
Fig. 2 is the page example figure one in the embodiment of the present invention；
Fig. 3 is the page example figure two in the embodiment of the present invention；
Fig. 4 is the page example figure three in the embodiment of the present invention；
Fig. 5 is the page example figure four in the embodiment of the present invention；
Fig. 6 is the page example figure five in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
For solve existing block area measurement method inefficiency, heavy workload, it is at high cost, spend the time long to ask
Topic, the present invention provide a kind of method for measuring block area by mobile terminal.Present invention cell phone software or mobile phone are online
The form of detection provides a kind of simple and efficient measurement method for the vast personnel for having land survey demand.Only need in hand
Software is installed on machine or is entered the Web page from mobile phone, farmland can be measured in any place, without in person along farmland
Profile is mobile.Currently preferred mode is measured by APP mode.
A kind of method that block area is measured by mobile terminal of the invention, as shown in Figure 1, including the following steps:
Step 1: enter the satellite image page from mobile terminal,.When entering the satellite image page, the initial display of the page
Region is mobile terminal automatic positioning position region or is that user searches for the position region after positioning.
Step 2: carrying out satellite image to pull movement, zoom in or out, find the plot region for needing to measure.Satellite mapping
The highest resolution of picture is at least 3 meters, and only preferably 3 meters of the present invention, resolution ratio is actually that the higher the better, in reality
The problem of in view of cost, resolution ratio are 3 meters and have used enough in fact.If the block area of measurement is all biggish plot
Area can also select the lower satellite image of resolution ratio according to actual needs.It should be appreciated that satellite image of the invention is by special
Industry satellite image supplier provides, and will be updated at regular intervals, to guarantee the real-time accuracy of positioning.
Step 3: starting point coordinate is determined on satellite image.
Step 4: determining intermediate point coordinate；Intermediate point coordinate is at least one or more.
Step 5: determining terminal point coordinate；One starting point coordinate, intermediate point coordinate and terminal point coordinate besieged city closed area.
It, can be with during determining starting point coordinate, intermediate point coordinate and terminal point coordinate in the step 3- step 5
Satellite image is amplified, reduce and is pulled.Determine that the mode of starting point coordinate, intermediate point coordinate and terminal point coordinate can be directly
Connect on satellite image click it needs to be determined that coordinate points；It can also be true and searching for target location in GPS positioning system
It is fixed, after searching for target location, the satellite image page can jump to the target location region of search and to coordinates of targets into
Row determines；Can also be first pass through in GPS positioning system search for target location, then on satellite image click it needs to be determined that
Location point and determine.
Step 6: reading the starting point coordinate data, intermediate point coordinate data and terminal point coordinate data of closed area, calculate envelope
The area of closed region.After a measurement, mobile terminal saves the block area data measured each time, is transmitted, Yong Huke
Voluntarily to delete as needed.
Step 7: closed area area is shown.
In the following, clearer, complete explanation will be carried out to the present invention in conjunction with specific drawings and examples.
Embodiment 1
In the present embodiment, block area is measured by way of application on site.
When needing to measure block area, a network address first is being opened to log in the application based on web.After logging in application, it is
As soon as system can show satellite image map and centralized positioning mark, the mobile terminal that this centralized positioning mark is is current certainly
The position of dynamic positioning, at this point, its interface is as shown in Figure 2.
It will automatically move, amplify for satellite image map, and the position for needing to measure plot be found, by pulling and scaling satellite
Witness marker is placed in any on ground block edge by figure, and after selected location, fixed point (is one in figure really among the click page
Circle), starting point coordinate determines, as shown in Figure 3.
Then further according to same method, by pull and scale satellite mapping by witness marker be placed in ground block edge its
He puts, and is successively determined to each point, intermediate point coordinate and terminal point coordinate so that it is determined that.As shown in Figure 4.Due to being measurement
Area, coordinate, which at least needs 3 points just, in total can surround the region of a closure.If only needing to measure specifically, directly determine
Two o'clock, specifically can also be shown in the page between two o'clock.
After all marginal points determine, " √ " in the lower right corner on the page is clicked, system is by automatically measuring area, the present embodiment
In, it is calculated using the api that Leaflet map office carries, algorithm mature and reliable reduces development amount.Measurement result
As shown in Figure 5.
Embodiment 2
In the present embodiment, block area is still measured by way of application on site.
When needing to measure block area, a network address first is being opened to log in the application based on web.After logging in application, it is
As soon as system can show satellite image map and centralized positioning mark, the mobile terminal that this centralized positioning mark is is current certainly
The position of dynamic positioning, at this point, then its interface is as shown in Fig. 2, click the upper left navigation button of the page, positioning is wanted in input
Position, for example, search Chongqing City liberates upright stone tablet, satellite image map can automatically switch to positioning location, as a result as shown in Figure 6.
Next measurement method is same as Example 1.It will automatically move, amplify for satellite image map, and find and need to survey
Measure plot position, by pull and scale satellite mapping by witness marker be placed in ground block edge on a bit, after selected location,
It clicks and pinpoints (being a circle in figure) among the page really, starting point coordinate determines.Then further according to same method, by dragging
It drags and scales satellite mapping to be placed in witness marker on other aspects of ground block edge, successively each point is determined, intermediate point
Coordinate and terminal point coordinate so that it is determined that.After all marginal points determine, " √ " in the lower right corner on the page is clicked, system will be surveyed automatically
Measure area.In the present embodiment, calculated using the api that Leaflet map office carries, algorithm mature and reliable reduces exploitation
Workload.
The embodiment of the present invention and embodiment 2 are all based on web exploitation, using the predominantly mobile end equipment of platform, mainly
It is smart phone, certainly, technology of the invention includes but is not limited to mobile end equipment, also can be applied to non-mobile device, example
Such as desktop computer.User does not need to go to farmland in person when measuring soil, but can be in any place to farmland
It measures.Meanwhile because smart phone is very universal, user avoids meaningless without in addition buying special equipment
Consumption.In addition, due to can easily upload to very much service to move end equipment as platform, farmland coordinate and area data
Device, convenient for the further utilization of block number evidence over the ground, such as big data analysis.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Belong to those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all answers
It is included within the scope of the present invention.
Claims (10)
1. a kind of method for measuring block area by mobile terminal, which comprises the steps of:
Step 1: entering the satellite image page from mobile terminal；
Step 2: carrying out satellite image to pull movement, zoom in or out, find the plot region for needing to measure；
Step 3: starting point coordinate is determined on satellite image；
Step 4: determining intermediate point coordinate；Intermediate point coordinate is at least one or more；
Step 5: determining terminal point coordinate；One starting point coordinate, intermediate point coordinate and terminal point coordinate besieged city closed area；
Step 6: reading the starting point coordinate data, intermediate point coordinate data and terminal point coordinate data of closed area, calculate enclosed area
The area in domain；
Step 7: closed area area is shown.
2. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that the step
In rapid 1, when entering the satellite image page, the initial display of the page is that mobile terminal is automatically positioned position region.
3. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that the step
In rapid 1, when entering the satellite image page, the initial display of the page is that user searches for the position location after positioning
Domain.
4. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that described to defend
The highest resolution of star chart picture is at least 3 meters.
5. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that described
In step 3- step 5, during determining starting point coordinate, intermediate point coordinate and terminal point coordinate, satellite image can be carried out
Amplification is reduced and is pulled.
6. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that described
In step 3- step 5, determine that the mode of starting point coordinate, intermediate point coordinate and terminal point coordinate is to click to need directly on satellite image
The coordinate points to be determined.
7. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that described
In step 3- step 5, determine that the mode of starting point coordinate, intermediate point coordinate and terminal point coordinate is by searching in GPS positioning system
Rope target location and determine, after searching for target location, the satellite image page can jump to the target location region of search
And coordinates of targets is determined.
8. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that described
In step 3- step 5, determine that the mode of starting point coordinate, intermediate point coordinate and terminal point coordinate is first passed through in GPS positioning system
Search target location, then on satellite image click it needs to be determined that location point and determine.
9. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that the shifting
Dynamic terminal can save the block area data measured each time, be transmitted.
10. a kind of method for measuring block area by mobile terminal according to claim 1, which is characterized in that described
Method is to be realized by way of offline APP or online webpage in mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810823658.0A CN109141221A (en) | 2018-07-25 | 2018-07-25 | A method of block area is measured by mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810823658.0A CN109141221A (en) | 2018-07-25 | 2018-07-25 | A method of block area is measured by mobile terminal |
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| CN109141221A true CN109141221A (en) | 2019-01-04 |
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| CN201810823658.0A Pending CN109141221A (en) | 2018-07-25 | 2018-07-25 | A method of block area is measured by mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110083667A (en) * | 2019-03-13 | 2019-08-02 | 中国平安财产保险股份有限公司 | Parcel survey method, apparatus, computer equipment and storage medium |
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| CN104833347A (en) * | 2015-05-22 | 2015-08-12 | 清华大学 | Irrigated area canal system surveying method and system based on GPS (Global Position System) positioning |
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