CN109634507B - Touch electronic map control method and device - Google Patents
Touch electronic map control method and device Download PDFInfo
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- 238000009432 framing Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 9
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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Abstract
The invention provides a touch electronic map control method and a touch electronic map control device, wherein the touch electronic map control method comprises the following steps: detecting touch operation of a user, wherein the touch operation is used for setting display of an electronic map on a display, identifying operation behaviors contained in the touch operation, acquiring at least one piece of coordinate information in the operation behaviors, processing and converting the coordinate information, acquiring a display area, calling a remote sensing image map in a database, outputting the remote sensing image map in a framing mode according to conversion codes, forming a survey base map, and displaying the survey base map according to the display area. The invention also provides a touch electronic map control device, which comprises an electronic map device and a display arranged on the electronic map device.
Description
Technical Field
The invention belongs to the technical field of electronic map control, and particularly relates to a touch electronic map control method and device.
Background
The remote sensing image is a 'photo' of the earth surface, and truly shows information such as the shape, size, color and the like of an object on the earth surface. This is more acceptable to the public than conventional maps, and video maps have become one of the important map categories. The remote sensing image has rich information, and the earth resource information can play an important role in the fields of agriculture, forestry, water conservancy, oceans, ecological environment and the like.
The existing remote sensing images are displayed on a display through special processing, such as a series of operations of radiation correction and geometric correction, image finishing, projection transformation, mosaic, feature extraction, classification, various thematic processing and the like on the remote sensing images. However, remote sensing images in the fields of agricultural disasters, geographical surveys and the like are transmitted in real time, and if the remote sensing images are subjected to the complex processing, real-time viewing cannot be realized.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for controlling a touch-enabled electronic map.
The specific technical scheme is as follows:
a touch electronic map control method comprises the following steps: detecting touch operation of a user, wherein the touch operation is used for setting display of an electronic map on a display, identifying operation behaviors contained in the touch operation, acquiring at least one piece of coordinate information in the operation behaviors, processing and converting the coordinate information, acquiring a display area, calling a remote sensing image map in a database, outputting the remote sensing image map in a framing mode according to conversion codes, forming a survey base map, and displaying the survey base map according to the display area.
Preferably, the operation behavior includes one piece of coordinate information, or includes two or more pieces of coordinate information.
Preferably, the processing of the coordinate information includes,
when the operation behavior comprises coordinate information, the acquired display is a point;
when the operation behavior includes two pieces of coordinate information, the acquired display is a line,
when the operation behavior includes more than two pieces of coordinate information, the longitude and latitude of each piece of coordinate information are compared, and when at least one of the longitude and latitude is not completely the same, the acquired display is a region, and when at least one of the longitude or latitude is completely the same, the acquired display is a line.
Preferably, the electronic map is obtained by:
a database is established in the electronic map device, a remote sensing image map and longitude and latitude information corresponding to the remote sensing image are obtained, and the longitude and latitude information is uploaded to the database.
Preferably, when the coordinate information is converted, the coordinate system is established according to the electronic map device, and the set conversion code corresponds to the longitude and latitude information corresponding to the remote sensing image.
Preferably, the electronic map device is provided with a display, a coordinate system and a conversion code are established according to a display area of the display, and longitude and latitude information corresponding to the remote sensing image map is converted according to the coordinate system and the set conversion code.
The invention also provides a touch electronic map control device, which comprises an electronic map device and a display arranged on the electronic map device.
Preferably, the electronic map device is internally provided with a database, a touch operation identification module, a processing module, a conversion module and a conversion code,
the database is used for storing the remote sensing image map and longitude and latitude information corresponding to the remote sensing image;
the touch operation identification module is used for identifying operation behaviors contained in touch operation and acquiring at least one piece of coordinate information in the operation behaviors;
the processing module is used for processing the coordinate information to obtain a display area;
and the conversion module outputs the remote sensing image map according to the conversion code in a framing manner to form a measurement investigation base map.
The processing of the coordinate information may include,
when the operation behavior comprises coordinate information, the acquired display is a point;
when the operation behavior includes two pieces of coordinate information, the acquired display is a line,
when the operation behavior includes more than two pieces of coordinate information, the longitude and latitude of each piece of coordinate information are compared, and when at least one of the longitude and latitude is not completely the same, the acquired display is a region, and when at least one of the longitude or latitude is completely the same, the acquired display is a line.
The invention has the beneficial effects that: the remote sensing image is guided into the electronic map device by collecting the remote sensing image, the display area is obtained by processing and converting, the remote sensing image in the database is called, the remote sensing image is output according to the conversion code in a framing mode, a measurement investigation base map is formed, and the measurement investigation base map is displayed according to the display area. Compared with the traditional technology, the technology can be used for viewing in real time without carrying out complex processing on the remote sensing image.
Drawings
The present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method of the present invention;
fig. 2 is a schematic diagram of the framework of the device of the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the present invention are provided to explain the present invention without limiting the invention thereto.
Referring to fig. 1 to 2, a method for controlling a touch-enabled electronic map includes the following steps: detecting touch operation of a user, wherein the touch operation is used for setting display of an electronic map on a display, identifying operation behaviors contained in the touch operation, acquiring at least one piece of coordinate information in the operation behaviors, processing and converting the coordinate information, acquiring a display area, calling a remote sensing image map in a database, outputting the remote sensing image map in a framing mode according to conversion codes, forming a survey base map, and displaying the survey base map according to the display area.
Preferably, the operation behavior includes one piece of coordinate information, or includes two or more pieces of coordinate information.
Preferably, the processing of the coordinate information includes,
when the operation behavior comprises coordinate information, the acquired display is a point;
when the operation behavior includes two pieces of coordinate information, the acquired display is a line,
when the operation behavior includes more than two pieces of coordinate information, the longitude and latitude of each piece of coordinate information are compared, and when at least one of the longitude and latitude is not completely the same, the acquired display is a region, and when at least one of the longitude or latitude is completely the same, the acquired display is a line.
Preferably, the electronic map is obtained by:
a database is established in the electronic map device, a remote sensing image map and longitude and latitude information corresponding to the remote sensing image are obtained, and the longitude and latitude information is uploaded to the database.
Preferably, when the coordinate information is converted, the coordinate system is established according to the electronic map device, and the set conversion code corresponds to the longitude and latitude information corresponding to the remote sensing image.
Preferably, the electronic map device is provided with a display, a coordinate system and a conversion code are established according to a display area of the display, and longitude and latitude information corresponding to the remote sensing image map is converted according to the coordinate system and the set conversion code.
The invention also provides a touch electronic map control device, which comprises an electronic map device and a display arranged on the electronic map device.
Preferably, the electronic map device is internally provided with a database, a touch operation identification module, a processing module, a conversion module and a conversion code,
the database is used for storing the remote sensing image map and longitude and latitude information corresponding to the remote sensing image;
the touch operation identification module is used for identifying operation behaviors contained in touch operation and acquiring at least one piece of coordinate information in the operation behaviors;
the processing module is used for processing the coordinate information to obtain a display area;
and the conversion module outputs the remote sensing image map according to the conversion code in a framing manner to form a measurement investigation base map.
The processing of the coordinate information may include,
when the operation behavior comprises coordinate information, the acquired display is a point;
when the operation behavior includes two pieces of coordinate information, the acquired display is a line,
when the operation behavior includes more than two pieces of coordinate information, the longitude and latitude of each piece of coordinate information are compared, and when at least one of the longitude and latitude is not completely the same, the acquired display is a region, and when at least one of the longitude or latitude is completely the same, the acquired display is a line.
In the invention, the processing module is used for processing the coordinate information and acquiring the coordinate information outside the display area, and also comprises data preprocessing, data importing, data loading and deleting,
the database functions include data dictionary, data editing, space checking, topology checking, attribute processing, attribute checking,
the method also comprises query statistics, report summarizing statistics and data query.
The electronic map device adopts a management mode of integrating spatial data and attribute data, establishes a database for storing remote sensing images according to measurement and survey requirements and database standards, then introduces original data subjected to coordinate conversion and format conversion into the database, and superimposes the remote sensing images on the processed data according to the latest remote sensing images in the database and outputs the superimposed remote sensing images in a standard and amplitude-division manner to manufacture an external measurement and survey base map.
The technical solutions disclosed in the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained in the present document by using specific embodiments, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (2)
1. A touch electronic map control method is characterized by comprising the following steps: detecting touch operation of a user, wherein the touch operation is used for setting display of an electronic map on a display, identifying operation behaviors contained in the touch operation, acquiring at least one piece of coordinate information in the operation behaviors, processing and converting the coordinate information, acquiring a display area, calling a remote sensing image map in a database, outputting the remote sensing image map in a framing manner according to conversion codes, forming a measurement investigation base map, and displaying the measurement investigation base map according to the display area;
the operation behavior comprises one piece of coordinate information or comprises two or more pieces of coordinate information;
the processing of the coordinate information may include,
when the operation behavior comprises coordinate information, the acquired display is a point;
when the operation behavior includes two pieces of coordinate information, the acquired display is a line,
when the operation behavior comprises more than three pieces of coordinate information, comparing the longitude and the latitude of each piece of coordinate information, when at least one of the longitude and the latitude is not completely the same, acquiring and displaying as an area, and when at least one of the longitude or the latitude is completely the same, acquiring and displaying as a line;
the electronic map is obtained by the following method:
establishing a database in an electronic map device, acquiring a remote sensing image and longitude and latitude information corresponding to the remote sensing image, and uploading the information to the database;
when the coordinate information is converted, corresponding to longitude and latitude information corresponding to the remote sensing image according to a coordinate system established by the electronic map device and a set conversion code;
the electronic map device is provided with a display, a coordinate system and a conversion code are established according to a display area of the display, and longitude and latitude information corresponding to the remote sensing image map is converted according to the coordinate system and the set conversion code.
2. A touch electronic map control device is characterized by comprising an electronic map device and a display arranged on the electronic map device;
the electronic map device is internally provided with a database, a touch operation identification module, a processing module, a conversion module and a conversion code,
the database is used for storing the remote sensing image map and longitude and latitude information corresponding to the remote sensing image;
the touch operation identification module is used for identifying operation behaviors contained in touch operation and acquiring at least one piece of coordinate information in the operation behaviors;
the processing module is used for processing the coordinate information to obtain a display area;
the conversion module outputs the remote sensing image map according to the conversion code in a framing manner to form a measurement investigation base map;
the processing of the coordinate information may include,
when the operation behavior comprises coordinate information, the acquired display is a point;
when the operation behavior includes two pieces of coordinate information, the acquired display is a line,
when the operation behavior comprises more than three pieces of coordinate information, comparing the longitude and the latitude of each piece of coordinate information, when at least one of the longitude and the latitude is not completely the same, acquiring and displaying as an area, and when at least one of the longitude or the latitude is completely the same, acquiring and displaying as a line;
establishing a database in an electronic map device, acquiring a remote sensing image and longitude and latitude information corresponding to the remote sensing image, and uploading the information to the database;
when the coordinate information is converted, corresponding to longitude and latitude information corresponding to the remote sensing image according to a coordinate system established by the electronic map device and a set conversion code;
the electronic map device is provided with a display, a coordinate system and a conversion code are established according to a display area of the display, and longitude and latitude information corresponding to the remote sensing image map is converted according to the coordinate system and the set conversion code.
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| CN101122466A (en) * | 2006-08-09 | 2008-02-13 | 高德软件有限公司 | Electronic map track and its video data memory and inquiring method |
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Denomination of invention: A touch controlled electronic map control method and device Effective date of registration: 20220318 Granted publication date: 20210413 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: GUOTU GEO SURVEY GEOGRAPHIC INFORMATION Co.,Ltd. Registration number: Y2022440000045 |
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