A method and system for map framing based on adaptive scale measurement

A scale, self-adaptive technology, applied in the directions of maps/plans/charts, educational appliances, instruments, etc., can solve problems such as unfavorable and low work efficiency, and achieve the effect of improving work efficiency, fast computing speed, and shortening data processing time.

Active Publication Date: 2020-06-16
江苏省基础地理信息中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The work efficiency is low, which is not conducive to the realization of automatic drawing

Method used

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  • A method and system for map framing based on adaptive scale measurement

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] This embodiment discloses a method for producing maps based on adaptive scale measurement and calculation, including the following steps:

[0058] Step 1: Read and symbolize one or more map data layers to be plotted;

[0059] Step 2: Create a framing range layer, and the framing range layer includes multiple drawing ranges;

[0060] Step 3: Set the size of the graph outline, and calculate a scale suitable for the size of the graph outline for each graph output range according to the multiple graph output ranges and the graph outline size;

[0061] Step 4: Based on the multiple drawing ranges and scales, perform framing and pre-drawing the picture to be confirmed by the user, and perform step 5 after the user confirms;

[0062] Step 5: Perform framing and outputting based on the plurality of outputting ranges, scales and symbolized map data.

[0063] In the step 2, the framing range layer is a line layer or a surface layer, and the drawing range is a polygon element or...

Embodiment 2

[0120] The purpose of this embodiment is to provide a framing and drawing system.

[0121] A map framing system based on adaptive scale measurement, including a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the program, the following steps are implemented, including :

[0122] Read one or more map data layers to be drawn, and receive the user's symbolic operation;

[0123] Create a framing range layer, which includes a plurality of drawing ranges in the framing range layer;

[0124] Receive the setting of the size of the graph outline, and calculate a scale suitable for the size of the graph outline for each graph output range according to the multiple graph output ranges and the graph outline size;

[0125] Framing and plotting are performed based on the plurality of plotting ranges, scales and symbolized map data.

Embodiment 3

[0127] The purpose of this embodiment is to provide a computer-readable storage medium.

[0128] A computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the following steps are performed:

[0129] Read one or more map data layers to be drawn, and receive the user's symbolic operation;

[0130] Create a framing range layer, which includes a plurality of drawing ranges in the framing range layer;

[0131] Receive the setting of the size of the graph outline, and calculate a scale suitable for the size of the graph outline for each graph output range according to the multiple graph output ranges and the graph outline size;

[0132] Framing and plotting are performed based on the plurality of plotting ranges, scales and symbolized map data.

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Abstract

The invention discloses a map dividing discharging method and system based on adaptive scale measuring and calculating. The method comprises the following steps: reading map data layers of one or moreto-be-discharged maps, and implementing symbolization; establishing a dividing range map layer, wherein the dividing range map layer comprises a plurality of map discharging ranges; setting a map border size, and calculating a scale corresponding to each map discharging range in accordance with the plurality of map discharging ranges and the map border size; and in accordance with the plurality of map discharging ranges, the scales and the map data obtained from symbolization, implementing map dividing discharging. According to the method and the system provided by the invention, rapid dividing discharging of a plurality of irregular charting areas can be achieved.

Description

technical field [0001] The invention belongs to the technical field of map drawing, and in particular relates to a method and system for map framing and drawing based on self-adaptive scale measurement and calculation. Background technique [0002] With the continuous advancement of technology, geographic information software such as ArcGIS has increasingly powerful functions in spatial data organization and spatial analysis, but there are still shortcomings in map making. The Data Driven Pages function in ArcGIS provides a convenient and quick tool for making map books. Based on ArcGIS, there are many application examples for framing map data of an area. For example, Luo Yanbin et al. used data-driven tools to compile standard framing maps for forest land protection and utilization planning; Wei Qiang et al. used data-driven tools combined with third-party plug-ins to complete automatic mapping of irregular map spots such as forest land. [0003] However, in the existing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B29/00
CPCG09B29/005
Inventor 杨柳谢燕吴及
Owner 江苏省基础地理信息中心
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