CN104636906A - Continuous forest inventory method based on Windows Mobile - Google Patents
Continuous forest inventory method based on Windows Mobile Download PDFInfo
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- CN104636906A CN104636906A CN201310552392.8A CN201310552392A CN104636906A CN 104636906 A CN104636906 A CN 104636906A CN 201310552392 A CN201310552392 A CN 201310552392A CN 104636906 A CN104636906 A CN 104636906A
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Abstract
The invention discloses a continuous forest inventory method based on Windows Mobile, which is characterized by comprising the following steps: according to demands of continuous forest inventory software, the software comprises three main function modules: a GPS navigation module, a data acquisition module, and a data management module; according to the GPS navigation module, mainly according to coordinates of a sample ground center point set by an investigator, a field acquisition device performs navigation, and the investigating sample ground can be accurately and quickly found out by the investigator; the data acquisition module is mainly used for acquisition of various investigation factors including the sample ground and a sample tree, the investigator can directly write on the field acquisition device, selection by a user is generally carried out, chances of manual mistakes can be reduced, and the working efficiency is improved; and the data management module is mainly used for checking of the logic relationship of the data, automatic calculation of certain investigation factors, and summary statistics of the data.
Description
Technical field
The present invention relates to a kind of continuous forest inventory method based on Windows Mobile.
Background technology
Continuous forest inventory be by grasp macroscopical Current Status of Forest Resource and dynamically for the purpose of, to economize (district, city) for unit, based on sampling theory, utilize permanent sample plot for the main forest inventory investigation carrying out periodic review.Along with China's Forest Resources checks becoming better and approaching perfection day by day of system continuously, investigation content is enriched constantly, requirements at the higher level are proposed to the efficiency of field data collection and accuracy, how to make field data collection more time saving and energy saving, improve field data collection quality and technical merit, the labour intensity alleviating field study personnel and computer operator has become the study hotspot of Forestry Information technical field.Traditional investigation work pattern amount is large, and a lot of investigation factor all needs hand computation, and investigation efficiency is low.Indivedual irresponsible investigator, at all less than on the spot, makes up data, causes the quality of investigation achievement low.When deadlock situation occurs, the phenomenon causing the data do not backed up all to lose, causes doing over again, and wastes a large amount of manpower and materials.The restriction of mobile collection device hardware itself, internal memory is little, and CPU processing power is weak, causes travelling speed slow.Locate in the wild, find sample ground difficulty.
Summary of the invention
The present invention is directed to the proposition of above problem, and develop a kind of continuous forest inventory method based on Windows Mobile.The technical solution used in the present invention is as follows:
Based on the continuous forest inventory method of Windows Mobile, it is characterized in that comprising the steps:
The desktop operating system of Microsoft occupies main flow in worldwide, the Mobile operating system Windows CE.Net of its development also occupies a tiny space in embedded OS field, it is the stable solution of a comparative maturity, Windows Mobile6.0 have employed the kernel of Windows CE.Net
In view of the reason of Windows Mobile device hardware configuration, Microsoft SQL Server for Mobile Edition and DataGrid that this software does not select committed memory higher carries out the storage of data and the displaying of data, to improve the function of the efficiency system of operation;
According to the demand of continuous forest inventory software, this software package is containing 3 large main functional modules: GPS navigation module, data acquisition module, data management module;
GPS navigation module is mainly according to the coordinate of the sample ground central point of investigator's setting, navigated by acquisition management, be convenient to investigator find fast and accurately the sample of investigation ground data acquisition module with mainly comprising sample with the collection of the various investigation factor of sample trees, fill in by the direct collecting device in the wild of investigator, and generally selected by user, reduce and occur hand probability by mistake, and data management module of increasing work efficiency mainly comprises the logical relation inspection of data, the automatic calculating of some investigation factor, and data summarization statistics.
With no paper field data collection becomes a kind of development trend, by the forest resource data acquisition system widespread use at home and abroad of PDA and the Integration ofTechnology such as Geographic Information System, GPS.Solve traditional investigation work pattern amount large, a lot of investigation factor all needs hand computation, investigates inefficient problem; In this software, except some investigation factors that must fill out need manual typing, software can the automatic calculating investigation factor that do not need investigator to calculate, and carries out logical relation inspection, alleviates workload and ensures the quality of achievement.Solve indivedual irresponsible investigator at all less than on the spot, make up data, cause the low-quality problem of investigation achievement; This software needs the coordinate gathering sample ground central point on the spot.When solution deadlock situation occurs, cause the phenomenon that the data do not backed up all are lost, ensure the security of data; This software adopts data double copies mechanism, ensures that the data of field acquisition can not be lost.Solve the restriction due to mobile collection device hardware itself, internal memory is little, and CPU processing power is weak, causes the problem that travelling speed is slow; This software adopts XML file to carry out the storage of data, utilizes serializing and unserializing technology to carry out storage and the transmission of data.Solve a difficult problem permanent plot in the wild, utilize GPS real time positioning technology to complete location and the navigation work on sample ground, facilitate field investigation personnel permanent plot fast and accurately.
Embodiment
Under Windows Mobile platform, utilize C# to develop a set of continuous forest inventory software, solve the accuracy of data acquisition existed in conventional survey pattern and the problem that efficiency is low, investigation quality of achievement is low; Take measures to improve the efficiency of mobile collection software and ensure to solve the security of data the low problem brought of mobile device hardware configuration, achieve the integrative solution collecting interior industry data summarization from field data.This software is in Daxingan Mountains Forest Region successful Application, and data acquisition in the wild, interior industry such as to gather at the aspect, alleviate workload, improve work efficiency and quality of achievement, achieve good effect.
System development environment and platform selecting, the desktop operating system of Microsoft occupies main flow in worldwide, the Mobile operating system Windows CE.Net of its development also occupies a tiny space in embedded OS field, it is the stable solution of a comparative maturity, Windows Mobile6.0 have employed the kernel of Windows CE.Net, in view of the reason of Windows Mobile device hardware configuration, Microsoft SQL Server for Mobile Edition and DataGrid that this software does not select committed memory higher carries out the storage of data and the displaying of data, to improve the efficiency run.The function of system is according to the demand of continuous forest inventory software, and this software package is containing 3 large main functional modules: GPS navigation module, data acquisition module, data management module.
GPS navigation module mainly according to the coordinate of the sample ground central point of investigator's setting, is navigated by acquisition management, is convenient to the sample ground that investigator finds investigation fast and accurately.Data acquisition module with mainly comprising sample with the collection of the various investigation factor of sample trees, directly in the wild collecting device is filled in by investigator, and generally is selected by user, reduce the probability occurring hand mistake, and increase work efficiency.Data management module mainly comprises the logical relation inspection of data, the automatic calculating of some investigation factor (as mean DBH increment etc.), and data summarization statistics etc.
1. gordian technique
(1) GPS locates real-time coordinates switch technology
GPS technology is applied to all trades and professions maturely, as the field such as field data collection, navigation.Built-in GPS module in this software transfer mobile terminal, obtain the WGS84 coordinate of point, utilize the known of this region or resolve coordinate conversion three parameter or seven parameters of trying to achieve, converted to the three-dimensional coordinate under the coordinate system of investigation needs by exploitation coordinate transferring in real time.
(2) serializing and unserializing technology
Due to the hardware configuration issues of Windows Mobile mobile terminal, in order to improve the operational efficiency of software, the Microsoft SQL Server for Mobile Edition that this software does not adopt committed memory higher, but adopt extend markup language (XML) to carry out data storage.
XML refers to and makes it have structural markup language for electroactive marker son file, can be used for flag data, definition data type, is the source language that the markup language of a kind of user of permission to oneself defines.It simply makes it be easy to read and write data in any application program.
Serializing is process Obj State being converted to the form that can keep or transmit.Relative with serializing is unserializing, and circulation is changed to object by it.These two processes combine, and can store like a cork and transmit data.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (1)
1., based on a continuous forest inventory method of Windows Mobile, it is characterized in that comprising the steps:
The desktop operating system of Microsoft occupies main flow in worldwide, the Mobile operating system Windows CE.Net of its development also occupies a tiny space in embedded OS field, it is the stable solution of a comparative maturity, Windows Mobile6.0 have employed the kernel of Windows CE.Net
In view of the reason of Windows Mobile device hardware configuration, Microsoft SQL Server for Mobile Edition and DataGrid that this software does not select committed memory higher carries out the storage of data and the displaying of data, to improve the function of the efficiency system of operation;
According to the demand of continuous forest inventory software, this software package is containing 3 large main functional modules: GPS navigation module, data acquisition module, data management module;
GPS navigation module is mainly according to the coordinate of the sample ground central point of investigator's setting, navigated by acquisition management, be convenient to investigator find fast and accurately the sample of investigation ground data acquisition module with mainly comprising sample with the collection of the various investigation factor of sample trees, fill in by the direct collecting device in the wild of investigator, and generally selected by user, reduce and occur hand probability by mistake, and data management module of increasing work efficiency mainly comprises the logical relation inspection of data, the automatic calculating of some investigation factor, and data summarization statistics.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310552392.8A CN104636906A (en) | 2013-11-07 | 2013-11-07 | Continuous forest inventory method based on Windows Mobile |
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| CN201310552392.8A CN104636906A (en) | 2013-11-07 | 2013-11-07 | Continuous forest inventory method based on Windows Mobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114841625A (en) * | 2022-06-30 | 2022-08-02 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | National forest resource continuous checking cloud platform and sample plot monitoring method |
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2013
- 2013-11-07 CN CN201310552392.8A patent/CN104636906A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114841625A (en) * | 2022-06-30 | 2022-08-02 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | National forest resource continuous checking cloud platform and sample plot monitoring method |
| CN114841625B (en) * | 2022-06-30 | 2022-11-08 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | National forest resource continuous checking cloud platform and sample plot monitoring method |
| US11961150B2 (en) | 2022-06-30 | 2024-04-16 | Sichuan Forestry and grassland investigation and Planning Institute | National forest resources continuous inventory cloud platform and sample plot monitoring method |
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Application publication date: 20150520 |