IT ' S SMART

Technical regulation of background database updates

The geography is 1:2000, 11:5000, and 1:10000.

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Base of Protocol 21 /2013/NĐ-CP March 4, 2013 of the Government regulates the function, mandate, jurisdiction and organizational structure of the Ministry of Natural Resources and Environment;

Base of Protocol 12 /2002/NĐ-CP January 22, 2002 of the Government of the Measurement and Map Activity;

Base of Protocol 102 /2008/NĐ-CP March 4, 2008 of the Government on the collection, management, exploitation and use of data on resources and the environment;

At the suggestion of the Office of the Bureau of Measurements and the Vietnam Map, the Chief of the Legal Affairs and the Chief of Science and Technology;

Minister of the Ministry of Natural Resources and Environment of the Ministry of Public Promulgable Information of Technical Regulations on the basis of a 1: 2 0 0 0, 1:5000 and 1:10000.

Chapter I

GENERAL REGULATION

What? 1. The adjustment range

This is the specification of updating the database database 1: 2 0 0 0, 1:5000 and 1:10000 (later known as a geographical database).

What? 2. Subject applies

It applies to state management agencies; organizes, individuals participate in the updating operation of a 1: 2 0 0, 1:5000 and 1:10000 in Vietnamese territory.

What? 3. Explain words

In this message the words below are understood as follows:

1. The geologic background data is information about the underlying geographical objects encoded in the computer.

2. The geologic base database is a set of structured geologic data that is stored on a computer and secondary information storage devices that can satisfy requests for the extraction of multiple users or many other programs. application for different purposes.

3. The original geologic base database is the basis of the operational geologic database prior to the time of the update, which belongs to the national geographic database system operated by the Vietnam Department of Measurements and maps.

4. An update of the geocentric database is the editing, addition, restandardization of the geographic background data content to ensure that the geographical database has content that is consistent with the actual and true status of the specification of the technical regulatory documents on the database. It ' s the current geography.

5. The geography of the geologic background database is the replication of the geographical area database update from the original geologic database to serve the purpose of updating the 1: 2 0 0, 1:5000 and 1:10000.

6. Standardized Geologic Databases as the editing, content editing, database structure in accordance with the requirements of the technical regulations on the basis of the existing geologic background data.

7. The basis of an updated geologic database with the base of geologic background databases is the consistency of geographical objects between an up-to-date geographical database database and the underlying database of space, properties, and relationships.

8. Integrate on the basis of the original geologic database is the connection, the operation of an up-to-date geographical database to the base of the original geologic database in the national geographic database system.

9. Photo data include ground and surface data obtained from devices placed on aircraft (aircraft photo, lidar scanning data) and on satellite or spacecraft (satellite images).

What? 4. The frequency and level of geographic background database

The level of the level of change and the requirements for the management of the database content database, the update is specified as follows:

1. A periodic update from 3 to 5 years, which applies to all content of the geographical database.

2. Updated to the level of change of geographic object applied to each of the data topics when there is a change from 20% or more.

3. An annual update, applicable to geographic object groups belonging to the topic of transport, residential, infrastructure.

4. Updated to date, implementation of a change in the national border, administrative boundaries, geographical region fluctuated irregularly due to natural disasters and other cases at the request of the authority of the state authority.

5. The case of geographical object changes by more than 40% or the update does not guarantee the economic requirement-the technique does the new establishment of a new geographical database.

What? 5. Content Platform update work content

Depending on the frequency and level of updates, the work on the basis of the geographical database consists of the following content:

1. The preparation, including:

a) Preparing for documentation and equipment, technology;

b) Research of the volatility situation of the geodec database update site;

c) Survey of the degree of content changes of the original geologic background database;

d) The field survey;

The design of engineering.

e) Quote the geographical database database update.

2. Update the geography database, including:

a) To obtain data;

b) Standardized Data.

3. Composition and integration of the geologic background database.

4. Check out the collection and pack the product.

Chapter II

PREPARE WORK

What? 6. Preparing for documentation and equipment, technology

The document preparation work serves the update of the geographic background database including:

1. Preparing the data-changing content survey of the original geologic background database.

2. Preparing for documents, measurements data and maps and other specialized materials.

3. Collation of the latest legal code of law is related to the database of geologic background databases.

4. Preparing for technology, equipment and deployment personnel.

What? 7. Research of the volatility situation of the geographic background database update site

1. The study of the volatility situation of the updated area is done in the interior according to the prepared documents, analysis and evaluation of natural, economic-socioeconomic conditions affecting the up-to-date technology database update.

2. Progress field survey when the documents are not enough to evaluate the volatility levels of the geodegrade database update area.

3. The results of the study must make the following conclusions:

a) The distribution feature and geographical features of objects that affect the content of the geographical background data;

b) The properties and levels of change of geographic objects affect the level and method of updating the geographical background data;

c) In particular, the economic-economic-economic conditions affect the competition of database updates to the geography.

What? 8. Survey of the degree of content change of the original geographic background database

1. Rusing the changing content of the technical regulation between the original technical texts issued with regard to the database database 1: 2 0 0 0, 1:5000 and 1:10,000, the regulations applied to build the database of geography.

2. Evaluation of the full extent, reliability and level of change in the geographic object of the original geologic background database are conducted by the projection, comparing the geographical data content to new non-image data taken, documents, measurements data, and data. You know, maps and other specialized materials.

3. conduct field survey by regulation at paragraph 2 Articles 7 and Article 9 of this Information.

4. The assessment results must be concluded to select the method and the level of geographical database updates.

What? 9. Food Survey

Field surveys are conducted by line and point. Prior to the survey, the survey must be mapped, which requires the location of the points, the lines to survey and create the deployment plan. The goal of the field survey is:

1. Added to the internal research section on the volatility situation of the updated area.

2. Supplements to the internal assessment of the original geologic background database.

3. Collate local material; surveys the status of coordinates, the national altitude used to measure image control (if any).

What? 10. Technical Design-Accounting

1. The Content Design Content-the bill is set up on the basis of the survey results and by the regulation of the competent authority.

2. Technical design-accounting used for testing, testing, product recording and work payments after being granted authority approval.

What? 11. The geography database.

1. The extraction of the geographical database was made only after the decision to approve the updated work of the competent authorities.

2. Vietnam ' s Department of Measurements and Maps are responsible for citing the correct geographical database.

Chapter III

UPDATE THE GEOGRAPHIC BACKGROUND DATABASE

What? 12. General Request

The requirement for the level of the geographical content of the underlying background data, spatial accuracy, accuracy of the time accuracy of the geographic objects that receive the updating of the database update database 1: 2 0 0 0, 1:5000 and 1:10000, standardization of updated database The implementation of the Digital Database Technical Regulation corresponds to the Ministry of Natural Resources and Environment.

What? 13. Geo-data data acquisition methods serve on the update of the geography database.

1. The geodec data acquisition methods that serve to update the geographic background database include:

a) To obtain the geographical data using the image measurement;

b) Record geographical data by documents, measurements data and maps, documents and specialized data;

c) Record of geographical data by means of measurement and direct investigation in the field.

2. Depending on the level of volatility, the available source of materials on the updated area and requires the content content, to apply one of the methods or to combine regulatory methods at 1 Article.

What? 14. Collation of geologic data by means of measurement

1. The data used to measure the image must be sure to be flown, recorded at the nearest time, before the time of the recording period for no more than a year and ensuring technical requirements according to the existing technical regulatory documents on the non-image data.

2. The recognition of geologic data by means of measuring the technical requirements of each step by step in accordance with the corresponding regulations in the current specification of digital drawing measurements, including full or part of the public steps. following:

a) The measurement of the net of an external basis;

b)

c) The stereomeasurement on the digital object station number of geographic objects for the case of unaffected data is a stereoeffect effect;

d) The formation of the terrain number pattern;

The establishment of a digital image;

e) Véc-chrification of geographic objects on the digital image vessel;

) Investigate the geography and measurement of an external supplement.

What? 15. Record of geographical data from the documents, measurements data and maps, documents and specialized data from the site.

1. The documents, maps, metrics used to update must ensure legal, contemporary, and technical requirements according to the existing technical regulatory documents on the basis of the geographical database.

2. An updated content base on spatial information and property information of geocentric objects, conducted collection of data measurements and maps, documents, and specialty data.

3. The work that recognizes geographical data from the documents, measurements data and maps, documents, and specialized data includes the following main steps:

a) Analysis, document review, update data request;

b) Build a directive that receives geographic data;

c) Record the geographic data by the indicated directive.

What? 16. Record of geographic data by means of measurement and direct investigation in the field.

1. The measurement device used in the construction is the great machines, electronic computers, global positioning machines (GPS), the standard machine must be fully tested by regulation.

2. When the recognition of geographical data by means of measurement and direct investigation in the field must ensure the technical requirements of each step in accordance with the corresponding regulations in the existing technical regulation texts on direct measurement and thorough regulation of the procedure. The current basis for the database of geography, including the following main steps:

a) to establish a measure of drawing measure;

b) The measurement of the detail of geologic objects;

c) The investigation and addition of geographical object information in the field.

What? 17. Prepare an up-to-date geodec database

1. Standardization of space for geographical objects of the geographic background data database, including: the addition of the new object to appear, recompiled the changed object, deleting the object no longer exists in the field, standardization of space relations. between the geographic objects.

2. Standardized on the property of a geographical object under the current technical regulations.

3. Prepare the synchronized service data format and integrate a copy of the update geologic database database into the base database of 1: 2 0 0 0, 1:5000, 1:10000.

4. Metadata standardized (metadata) according to updated content.

Chapter IV

SYNCHRONY AND INTEGRATION OF GEOLOGIC BACKGROUND DATABASES

What? 18. Co-replica of the updated geographical database database with the original geologic background database.

Synchrony replication of the database background data update with the original geographical background database includes the following main steps:

1. Marketing the data and synchrony geospatial objects of space.

2. The geographical audience of the property.

3. Update the geographical objects in the same type of proportions.

4. Update the geographical objects between the types of proportions.

What? 19. Integrate a copy of the post-synchrony background database update on the basis of the original geologic background database

1. Before the integration of a copy of the post-synchrony update geosynchrony database updates to the original geologic background database must make a stellar database backup in the pre-update version.

2. Implementers the underlying geologic database according to the technical regulations of the national geographic database management system.

Chapter V.

CHECK THE COLLECTION AND PACKAGING PRODUCTS

What? 20. General Request

The test-testing of product quality updates the database of geo-based geography 02 /2007/TT-BTNMT February 12, 2007 of the Ministry of Natural Resources and Environment for Testing, Appraisal and Procurement, Measurement Products and maps.

What? 21. The contents of the recording process, packaging the geographical database update product

1. The content check-in-control content, which closes the database update product that is done according to each of the work categories and when complete the whole update of the geologic background database, includes the following main steps:

a) Check out the record, close the copy of the update gegeologic database;

b) A co-examination of the synchrony collection of the geosynchrony database update database with the underlying geologic background database according to the geographical basis specification of the geography at the corresponding rate;

c) The examination of the collection of integration into the underlying geologic database according to the technical regulation of the national geographic database management system.

2. The packaging of the geographical database update product must ensure the scope of the data correctly according to the boundary that has been extracted; the data format in the form of the quotation.

Chapter VI

EXECUTION CLAUSE

What? 22. Effective enforcement and organizational performance

1. This message has been in effect since July 15, 2013.

2. The Ministry of Natural Resources and Environment is responsible for organizing the implementation of the 1: 2 0 0, 1:5000 and 1:10000.

3. The ministries, the relevant sector and the local areas are responsible for providing the documents, relevant data, and participation, coordinating the implementation of the geographical database update.

4. In the course of execution, if there is an entanging, the agency, the organization, the individual reflects in time to the Ministry of Natural Resources and the Environment for consideration, decision ./.