JP3461763B2 - Electronic chart and paper chart editing device and storage medium - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a map editing apparatus used for creating and managing a nautical chart, a map editing system, and a computer-readable storage medium storing processing steps for realizing the functions thereof. It is a thing.

[0002]

2. Description of the Related Art For example, a conventional paper nautical chart is manually created based on data obtained by a survey ship and aerial photographs.

On the other hand, a navigation system dedicated to a ship, which is similar to a so-called car navigation system, has been proposed.

[0004]

However, navigation systems exclusively for ships have not yet become widespread, and in fact, paper charts are often used.

For this reason, it is required that new paper charts can always be provided to users. However, as described above, the paper charts were created by hand, so land reclamation and new facilities such as lighthouses are required. To change the paper nautical chart with
It was a very laborious task. In addition, it is necessary to manage the various paper charts that have been created so far, but it was very difficult to manage because the management target is paper media.

Therefore, the present invention has been made in order to eliminate the above-mentioned drawbacks, and realizes a map editing device, a map editing system, and functions thereof that enable efficient creation and management of a nautical chart. It is an object of the present invention to provide a storage medium in which the processing steps for storing are stored in a computer-readable manner.

[0007]

[Means for Solving the Problems] Under such a purpose,
A first aspect of the present invention is a map editing apparatus that edits an electronic map based on surveying data, which comprises input means for inputting the surveying data, and a predetermined electronic device based on the surveying data input by the inputting means. And an electronic map generating means for generating electronic map data according to the map format.

A second invention is the same as the first invention,
The input means inputs at least information including the point information indicating the position of each point forming the map generation target area in the electronic map generation means and the attribute information thereof as the survey data, and the electronic map generation means, It is characterized in that the attribute information is converted into attribute information according to the electronic map format.

A third invention is the same as the first invention,
The input means outputs at least the point information indicating the position of each point constituting the map generation target area in the electronic map generation means and the attribute information converted into attribute information according to the electronic map format. It is characterized in that it is input as survey data.

A fourth invention is the same as the first invention,
The point information includes latitude and longitude information in which the target point exists, and the attribute information includes information of an object existing in the target point.

A fifth invention is based on the first invention,
It is characterized by comprising changing means for changing the electronic map data obtained by the electronic map generating means in accordance with an external instruction.

A sixth invention is the same as the first invention,
The electronic map generation means generates electronic map data for each divided area obtained by dividing the area corresponding to the survey data input by the input means, and the electronic map generation means for each divided area obtained by the first generation means. Means for synthesizing electronic map data based on an external instruction.

A seventh invention is based on the first invention,
It is characterized by comprising a screening means for screening the externally input electronic map data according to a predetermined screening standard.

An eighth invention is based on the first invention,
Recording means for recording the electronic map data obtained by the electronic map generating means on a predetermined recording medium is provided.

A ninth aspect of the present invention is a map editing device for editing a paper map based on electronic map data generated according to a predetermined electronic map format, the input means for inputting the electronic map data, and Paper map generation means for generating paper map data according to a predetermined drawing method based on the electronic map data input by the input means.

In a tenth aspect based on the ninth aspect, the input means includes at least point information indicating the position of each point constituting the map generation target area in the paper map generation means and its attribute information. Information is input as the electronic map data, and the paper map generation means converts the point information and its attribute information into attribute information according to the paper map format.

An eleventh invention is characterized in that, in the tenth invention, the point information includes latitude and longitude information in which the target point exists, and the attribute information includes information of an object existing in the target point. And

In a twelfth aspect based on the tenth aspect, the paper map generating means converts the latitude / longitude information in which the target point included in the point information exists into XY coordinate information according to the drawing method. It is characterized by

A thirteenth invention is characterized in that, in the tenth invention, a changing means is provided for changing the paper map data obtained by the paper map generating means in accordance with an external instruction.

A fourteenth invention is characterized in that, in the thirteenth invention, the paper map data is provided with a changing portion editing means for editing the partial data changed by the changing means.

A fifteenth aspect of the present invention is a map editing apparatus that edits surveying data that is a basis for generating at least one of a paper map and an electronic map, and generates the map data according to arbitrary area information and a predetermined drawing method. It is characterized by further comprising input means for inputting at least any one of the information of the generated paper map, and surveying data generating means for generating the surveying data based on the information input by the inputting means.

In a sixteenth aspect based on the fifteenth aspect, the survey data generation means includes point information indicating the position of each point constituting the area indicated by the information input by the input means and its attribute information. It is characterized in that information including is generated as the survey data.

In a seventeenth aspect based on the sixteenth aspect, the point information includes latitude and longitude information in which the target point exists, and the attribute information includes information about an object existing in the target point. And

An eighteenth invention is characterized in that, in the fifteenth invention, there is provided changing means for changing the survey data obtained by the survey data generating means in accordance with an external instruction.

A nineteenth aspect of the present invention provides a predetermined electronic map format based on surveying data generating means for generating surveying data based on arbitrary area information and the surveying data obtained by the surveying data generating means. Based on at least one of the following data: an electronic map generating means for generating a following electronic map, survey data obtained by the survey data generating means, and electronic map data obtained by the electronic map generating means. And a paper map generating means for generating a paper map according to the drawing method.

In a twentieth aspect based on the nineteenth aspect, the survey data generation means generates the paper map based on the paper map data obtained by the paper map generation means. .

In a twenty-first aspect based on the fifteenth or nineteenth aspect, the survey data generating means converts the attribute information of each point forming the arbitrary area into attribute information according to the electronic map format. It is characterized by doing.

A twenty-second aspect of the present invention is a map editing system in which a plurality of devices are communicably connected, and at least one of the plurality of devices is defined in any one of claims 1 to 21. It is characterized by having a function of a map editing device.

A twenty-third aspect of the present invention is a program code for realizing each means of the map editing device according to any one of claims 1 to 21 or the map editing system according to claim 22,
The recording medium is a computer-readable storage medium.

[0030]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) In the present invention, for example,
It is applied to a chart editing system 100 as shown in FIG. As shown in FIG. 1, the nautical chart editing system 100 creates surveying data, which is the basis of electronic nautical charts and paper nautical charts, from data obtained by a survey ship, aerial photograph data read by a scanner 131, and the like. Input device (surveying data editing device) 130, an electronic chart editing device 110 for creating an electronic chart from surveying data and the like obtained by the surveying data editing device 130, and an electronic chart obtained by the electronic chart editing device 110 A paper chart editing device 120 for creating a paper chart from the data etc., a printer 160 for printing out a paper chart, etc., and a control device 170 for controlling the operation of the entire system are mutually connected on a network 180. It is configured to be connected so that it can communicate.

Chart editing system 100 in the present embodiment
Is a system capable of creating and managing both a paper nautical chart and an electronic nautical chart. Therefore, as a main configuration of the electronic nautical chart editing apparatus 110, the paper nautical chart editing apparatus 120, and the survey data editing apparatus 130, For example, it has a configuration as shown in FIG. Hereinafter, the respective configurations of the electronic chart editing apparatus 110, the paper chart editing apparatus 120, and the survey data editing apparatus 130 will be specifically described.

[Surveying Data Editing Device 130] The surveying data editing device 130 comprises a personal computer including a CPU, etc., and is obtained by a surveying ship by executing a predetermined processing program (source file editing tool) by the CPU. The data, the aerial photograph read by the scanner 131, or the raster data of an existing paper chart are semi-automatically vectorized and converted into latitude and longitude values.

Specifically, first, the survey data editing device 1
Reference numeral 30 denotes an image reading unit (hereinafter, referred to as “image reading unit 131”) 13 using the scanner 131 shown in FIG.
1, an input unit 132 including a keyboard and a mouse, and C
A display unit 133 including an RT and the like is connected.

Further, the survey data editing device 130 uses the electronic chart editing device 110 and the paper chart editing device 12 based on the read data of the image reading part 131 and the input data of the input part 132.
A survey data creation unit 134 that creates usable survey data at 0, and a conversion unit 135 that performs data conversion processing (transformation processing from XY coordinates to latitude / longitude) for creating survey data in the survey data creation unit 134. And a conversion table 136 used for data conversion in the conversion unit 135, and a storage unit 137 for storing the survey data created by the survey data creation unit 134.

The constituent parts of the survey data editing device 130, such as the survey data creating section 134 and the converting section 135, are
It is realized by executing the source file editing tool by the CPU described above.

In the survey data editing device 130 as described above, for example, when the survey data is created from the aerial photograph, first, the image reading unit 131 reads the aerial photograph.

The survey data creation unit 134 is the image reading unit 1.
The read data (raster data) obtained at 31 is captured, and a screen based on the captured data is displayed on the display unit 133. As a result, the screen shown in FIG. 3 is displayed on the display unit 133. From this screen, user input is possible.

Therefore, the user sequentially designates arbitrary points on the screen by using the keyboard or mouse of the input unit 132 and inputs the attribute information for each designated point. The attribute information here includes water depth information of the designated point, and information of objects existing at the designated point, for example, information indicating whether the designated point is a rock line or a contour line, a lighthouse, etc. at the designated point. It includes various information such as information indicating that the facility is installed and information indicating that the designated point is a fishing reef point.
Such input data (attribute information) from the user is taken into the survey data creation unit 134 together with information on the corresponding designated point (XY coordinate information at which the designated point exists).

The survey data creation unit 134 supplies the designated points (XY coordinates) of the input data to the conversion unit 135. The conversion unit 135 converts the designated points (XY coordinates) from the survey data creation unit 134 into latitude / longitude values.
That is, in the conversion table 136, latitude / longitude values associated with XY coordinates are set in advance, and the conversion unit 135
Converts the designated point (XY coordinate) from the survey data creation unit 134 into a corresponding latitude / longitude value using this conversion table 136, and returns it to the survey data creation unit 134.

The survey data creating section 134 is provided with a converting section 135.
The storage unit 137 stores the information (point information) of the designated point converted into the latitude / longitude value and the corresponding attribute information as surveying data.

At this time, the survey data creation unit 134 converts the above attribute information into attribute information according to the electronic chart prescription format described later.

Specifically, first, the storage unit 137 stores in advance object data according to the electronic chart prescribed format. The object data (route mark data) here includes data of symbols representing "fishing reefs", "lighthouses", etc. existing in a certain area, data of color coding for each contour line, and the like.

Therefore, when the survey data creating unit 134 stores the attribute information of the designated point in the storage unit 137 as survey data, the attribute information is stored in the storage unit 137 in accordance with the electronic chart prescribed format stored in the storage unit 137. Converted to object data. For example, if the attribute information of a point includes lighthouse object information indicating that the lighthouse is installed at that point, the information is a "lighthouse" symbol mark in accordance with the electronic chart stipulated format. Is converted to object data.

Therefore, the storage unit 137 stores the point information after being converted into the latitude / longitude value and the attribute information after being converted into the object data in accordance with the electronic chart prescribed format.

As described above, the survey data editing device 1
At 30, the aerial photograph data (raster data) is vectorized (semi-automatic vectorization) into latitude / longitude and attribute information based on an input from the user. This vectorized data is used as survey data as survey data editing device 130.
It is stored in the internal storage unit 137. Also, for each point
Attribute information representing “fishing reef”, “lighthouse”, etc. is converted into object data according to the electronic chart prescribed format and stored in the storage unit 137 in the survey data editing device 130. Surveying in such a storage unit 137 The data will be used to create an electronic nautical chart in the electronic nautical chart editing device 110 and to create a paper nautical chart in the paper nautical chart editing device 120.

The case where the data of the aerial photograph is input and the data is vectorized has been described here. However, when the data of the paper chart already created or the data from the survey ship is input. Also, by the same processing as in the case of the above-mentioned aerial photograph, the input data can be vectorized to obtain the data. Further, the coastline and the like may be semi-automatically or automatically vectorized by any generally used tracking tool.

[Electronic Chart Editing Device 110] The electronic chart editing device 110 comprises a personal computer including a CPU and the like, and the survey data editing device 130 is executed by executing a predetermined processing program (electronic chart editing tool) by the CPU. A predetermined format from the survey data obtained by (for example, the electronic chart format defined by S-57 of the International Hydrographic Organization (IHO),
Create an electronic nautical chart (digital nautical chart) in accordance with the “electronic chart stipulation format”, and E
An exchange set (CD-ROM) 200 called an NC (Electronic Navigational Chart) is used for writing. The exchange set 200 obtained here is used in a navigation system mounted on a ship.

Specifically, first, the electronic chart editing apparatus 11
An input unit 112 including a keyboard, a mouse and the like, and a display unit 113 including a CRT and the like are connected to 0.

Further, the electronic chart editing apparatus 110 uses a plurality of cells (data sets) corresponding to divided areas to be described later from the survey data obtained by the survey data editing apparatus 130.
And a cell synthesizing unit 115 for synthesizing by combining a predetermined cell among the cells created by the cell creating unit 114 to create one electronic nautical chart. , An output unit (CD-ROM Writer) 116 for writing the electronic nautical chart obtained by the cell synthesizing unit 115 into the exchange set 200, and a cell creating unit 1
A storage unit 117 for storing the cell created in 14 and the electronic nautical chart and the like obtained in the cell synthesizing unit 115.

The respective components such as the cell creating unit 114 and the cell synthesizing unit 115 included in the electronic chart editing apparatus 110 are realized by the execution of the electronic chart editing tool by the CPU described above.

Here, generally, one nautical chart is composed of cells in a plurality of divided areas. That is, as shown in FIG. 4, a chart of a certain area is divided into a plurality of areas (a-
A), (a-B), ..., (b-A), (b-B),
... and one of the divided areas is combined to form one chart R.

Therefore, in the electronic chart editing apparatus 110, first, the cell creating section 114 is operated by the survey data editing apparatus 1
The survey data obtained by 30 is taken in, and cells (data sets) of the respective divided areas are created based on the survey data.

The cell created by the cell creating unit 114 after the conversion of the electronic chart prescribed format is displayed on the display unit 113. FIG. 5 shows an example of a display screen on the display unit 113 at this time. As shown in FIG. 5, fishing reefs and lighthouses are represented as symbol marks M1 and M2 in accordance with the electronic chart stipulated format. It Further, although not shown here, the contour lines are also represented by color coding according to a prescribed format for electronic chart for each predetermined water depth range.

On the screen of the display unit 113, on which the data after the conversion of the specified format for electronic chart as shown in FIG. 5 is displayed, the user can input.
As a result, the user uses the keyboard, mouse, etc. of the input unit 112 to perform operations such as correction of the contour lines and addition or modification of symbol marks such as fishing reefs and lighthouses.

When there is an operation instruction such as a correction, an addition or a change from the user, the cell creating section 114 determines the cells in the divided area displayed on the display section 113 based on the instruction. Perform processing such as data correction and change.

The cells of each divided area created by the cell creating unit 114 as described above are stored in the storage unit 117.

The cell synthesizing unit 115 stores, in the storage unit 117, cells in divided areas corresponding to the area of the electronic nautical chart in order to create an electronic nautical chart of one area designated by the user by the input unit 112. It is selected and acquired from the cells of each divided area. For example, when the user designates an electronic map of a certain area R as shown in FIG. 4, the cell synthesizing unit 115 causes the cells (b-B) of the divided areas forming the designated area R,
(B-C), (c-B), (c-C) are acquired from the storage unit 117. Then, the cell synthesis unit 115 creates an electronic chart of one area R designated by the user by the input unit 112 by combining the obtained cells of the divided areas by combining them, and stores the created electronic chart. Part 11
Store in 7.

The output unit 116 uses the electronic chart of one area created by the cell synthesis unit 115 as the exchange set 20.
Write to 0.

The cells and electronic nautical charts of the respective divided areas stored in the storage unit 117 as described above are used for the paper nautical chart creation in the paper nautical chart editing apparatus 120, and the instruction from the input unit 112 from the user is given. In accordance with this, it is possible to read it arbitrarily and display it on the display unit 113, and to re-edit or change it on the display screen. The cells and electronic nautical charts of the new division area after the change etc. are
It will be stored again in the storage unit 117, but at this time, the difference data between the previous state (the state before the change etc.) and the current state (the state after the change etc.) are stored together. You may do it.

[Paper Chart Editing Device 120] The paper chart editing device 120 is composed of a personal computer including a CPU and the like, and the electronic chart editing device 11 is executed by executing a predetermined processing program (paper chart editing tool) by the CPU.
The cell data of each divided area (cell data of the electronic chart) obtained by 0 is combined, and a predetermined format (for example, the scheme 6011 and IN prescribed by the Japan Coast Guard)
A certain area is converted into data for a paper chart according to the drawing method according to T1), and the data is output to a special paper. The paper chart editing device 120 also converts the data obtained by the survey data editing device 130 into paper chart data according to a predetermined drawing method, and outputs it to dedicated paper.

Specifically, first, the paper chart editing apparatus 120
An input unit 121 including a keyboard and a mouse, and a display unit 122 including a CRT are connected to the
An output unit (hereinafter, referred to as “output unit 160”) including a printer 160 (see FIG. 1) for performing print output on map-dedicated paper is connected.

The paper nautical chart editing device 120 also includes a paper nautical chart creating unit 124 for creating a paper nautical chart from the data obtained by the electronic nautical chart editing device 110 and the survey data editing device 130.
A conversion unit 125 that performs data conversion processing (such as conversion processing from latitude / longitude to XY coordinates) for paper creation in the paper nautical chart creation unit 124; a conversion table 126 used for data conversion in the conversion unit 125; Storage unit 127 for storing the data of the paper chart created by the paper chart creating unit 124
It has and.

The constituent elements such as the paper chart creating unit 124 and the converting unit 115 included in the paper chart editing apparatus 120 are realized by the execution of the paper chart editing tool by the CPU described above.

In the paper nautical chart editing apparatus 120 as described above, first, from the input unit 121, the area of the paper nautical chart to be created by the user and the projection method (Mercator method, horizontal Mercator method, universal horizontal Mercator method) adopted for the paper nautical chart. Method, TM method, Lambert conformal cone (2 standard parallels) method,
Great circle projection, plan projection, etc.) is instructed.

The paper nautical chart creating unit 124 creates the paper nautical chart for the area designated by the input unit 121 by using the cell data corresponding to the area of the paper nautical chart created by the electronic nautical chart editing apparatus 110. Select and acquire from the data of cells in the divided area.

At this time, since the cell data acquired by the paper nautical chart creating unit 124 is data of latitude / longitude system, the paper nautical chart creating unit 124 transfers the latitude / longitude system cell data to the conversion unit 125. By supplying the data, the data is converted into XY coordinate system data. That is, the conversion table 126 is set beforehand with the XY coordinate values for each of the various projections corresponding to the latitude / longitude, and the conversion unit 125 uses the conversion table 12
According to 6, each point (latitude / longitude) on the cell data of the latitude / longitude system from the paper nautical chart creating unit 124 is converted into the XY coordinate of the projection method instructed by the user, and the converted to the paper nautical chart creating unit 124. Send it back.

The paper nautical chart creating unit 124 creates the paper nautical chart of one area designated by the input unit 121 by receiving and synthesizing the cell data of the XY coordinate system from the conversion unit 125.

At this time, the electronic chart editing apparatus 11 described above
Similar to 0, the storage unit 127 stores in advance drawing information (information such as the publisher for adjusting the format of the paper chart) according to the designated drawing method, data of various symbols such as fishing reefs and lighthouses, and color coding of contour lines. Information, compass information, and the like are stored in advance.

Accordingly, when the paper chart is created by synthesizing the cell data, the paper nautical chart creating unit 124 converts the attribute information in the cell data into attribute information according to the specified drawing method by the information in the storage unit 127. At the same time, information for outputting a drawing and a compass according to the specified drawing method (compass output position, azimuth information, etc.) is added.

The paper chart created by the paper chart creating unit 124 is temporarily displayed on the display unit 122. FIG. 6 shows an example of a display screen on the display unit 122 at this time. That is, FIG. 6 shows a paper chart obtained by synthesizing cell data of a certain divided area (cell data of electronic chart) as shown in FIG. 5, and as shown in FIG. The drawing M11 and the compass M12 are automatically output, and the fishing reef and the lighthouse are represented as the symbol marks M13 and M14 according to the designated drawing method. Further, although not shown here, the contour lines are also represented by color coding according to a designated drawing method for each predetermined water depth range.

Input from the user is possible on the screen of the display unit 122 on which the paper chart as shown in FIG. 6 is displayed. As a result, the user uses the keyboard, mouse, etc. of the input unit 112 to perform operations such as correction of the contour lines and addition or modification of symbol marks such as fishing reefs and lighthouses.

When there is an operation instruction such as correction, addition, or change from the user, the paper nautical chart creating unit 124 receives the data for the paper nautical chart displayed on the display unit 122 based on the instruction. Performs corrections and changes. Note that the paper nautical chart creating unit 124 uses the data of the area portion, which is the target of the change or the like, as the correction drawing data in the storage unit 12.
You may make it preserve | save in 7.

The output unit 160 prints out the paper nautical chart of one area created by the paper nautical chart editing device 120 onto a dedicated paper. Therefore, the paper chart as shown in FIG. 7 is output from the output unit 160. The output at this time is not limited to the print output on the dedicated paper, and may be, for example, the output of a Postscript file for an inkjet plotter or an optical plotter.

As described above, the paper chart editing apparatus 120
Creates a paper chart from the data of the electronic chart obtained by the electronic chart editing apparatus 110.

The paper nautical chart editing device 120 is also capable of creating a paper nautical chart from the survey data obtained by the survey data editing device 130. The processing at this time is the same as the case of creating a paper nautical chart from the data of the electronic nautical chart described above, and thus a detailed description thereof will be omitted.
In this case, since the survey data obtained by the survey data editing device 130 is in the XY coordinate system, it is not necessary to convert the latitude / longitude system data into the XY coordinate system data.

Further, the data of the paper chart obtained by the paper chart editing device 120 can be transferred to the survey data editing device 130. In this case, the survey data editing device 130 performs the above-described editing process on the data of the paper chart from the paper chart editing device 120 and gives it to the electronic chart editing device 110.

In this case, specifically, for example, when a paper nautical chart is created, it may be considered whether a temporary one is created once and whether it is left as a formal one after seeing it. As a result, when it is desired to leave the paper chart as an electronic chart in a formal form, the paper chart editing apparatus 120
The data of the paper nautical chart once obtained at is given to the survey data editing device 130, and the official survey data obtained by re-executing the above-described editing processing in the survey editing device 130 is converted into the electronic nautical chart editing data. It is supplied to the device 110. Accordingly, in the survey data editing device 130, it is not necessary for the image reading unit 131 to read the paper chart. In addition, the data in the paper chart editing device 120,
Since the data in the survey data editing device 130 are in the same XY coordinate system, data drop or deviation due to the difference in data scale does not occur.

As described above, in this embodiment, both the electronic chart and the paper chart can be created from the survey data obtained by the survey data editing apparatus 130.
Since it is possible to create a paper nautical chart from the data of the electronic nautical chart obtained in No. 0, and to create the surveying data which is the basis of the electronic nautical chart from the data of the paper nautical chart obtained in the paper nautical chart editing device 120. It is possible to efficiently create both paper charts and electronic charts. Further, since the created chart is stored in the storage unit as digital data, various charts can be efficiently managed. Furthermore, since the electronic chart or paper chart once created can be changed on the digital data, it is possible to easily change the coastal topography due to reclamation, etc. Therefore, a new nautical chart can always be provided to the user.

In the present embodiment, the paper chart editing apparatus 1
The electronic nautical chart editing device 110 is provided with the data of the paper nautical chart obtained in 20 through the surveying data editing device 130, but the present invention is not limited to this. The data may be directly given to the electronic chart editing apparatus 110.

Further, in the present embodiment, the survey data editing device 130 uses the attribute information representing a lighthouse, a fishing reef, etc.
Although the object data is converted according to the electronic chart stipulated format, the conversion is not limited to this, and the electronic chart editing apparatus 110 may perform the conversion.

(Second Embodiment) In the present embodiment,
In addition to the configuration of the chart editing system 100 shown in FIG. 1, the configuration shown in FIG. 8 is provided.

That is, as shown in FIG. 8, the nautical chart editing system 100, together with the survey data editing device 130, the electronic nautical chart editing device 110, and the paper nautical chart editing device 120, is a cell for creating an electronic nautical chart or paper nautical chart. The plan diagram editing device 190 for planning the combination of In addition, the electronic chart editing apparatus 110 includes an examination processing unit 119 that examines the validity of the electronic chart, and the paper chart editing apparatus 120
Is a correction diagram edit processing unit 1 for storing the corrected or changed portion on the paper nautical chart as correction diagram data.
Equipped with 28. Hereinafter, each of these configurations will be specifically described.

In FIG. 8 above, for the sake of simplicity of explanation,
The processing units similar to those in FIG. 1 are omitted and only the main processing units in the present embodiment are illustrated. Further, each processing unit shown here is realized by the CPU in the apparatus executing a predetermined processing program, similarly to each processing unit shown in FIG.

[Examination Processing Unit 1 of Electronic Chart Editing Device 110
19] The examination processing unit 119, for example, examines the validity of the electronic nautical chart created in advance by another device, and if there is an examination error, presents the error.

Therefore, first, as the examinations performed by the examination processing section 119, three examinations of topology examination, catalog examination, and data matching examination are performed. The data (error pattern) serving as a reference for these examinations, restoration data, error messages, and the like, which will be described later, are set in the storage unit 117 in advance as examination data, and the examination processing unit 119.
Performs the respective examinations described below using the information in the storage unit 117.

(1) Topology examination In the topology examination, the vectorized data is "Chain".
-Node ", whether or not the line and face objects are self-intersecting,
To examine such things. This topological examination also includes examination of the prescribed format for electronic charts. The "Chain-node" (connection of nodes) means
For example, it means a data structure that represents the connection of nodes (point coordinates) that are the basis for forming edges and points. That is, it means the format of the data structure of vector data.

Specific Examination Content: Examination of the examination feature data and the vectorized data in the prescribed format for electronic charts, whether the reference relations are consistent, and whether long names and vector numbers are duplicated, etc. . The above-mentioned "feature data" means data about objects existing in the real world, such as names of objects whose positions are not fixed, such as lighthouses and fishing reefs. That is, it means data that describes the characteristics of an object that does not include position information.
A unique name (ID) for identifying such feature data is a "long name". On the other hand, vector data is data containing position information,
Unique number (1
Unique within the cell) is the "vector number".

Examination of data range Examine whether or not there are vector coordinates other than the area defined as the range of the cell.

Definition examination as "Chain-node""Isolated-node" and "Chain-no"
It is examined whether the coordinates of "de" are described in duplicate or the edges forming the same line segment are not described in duplicate. Even if a node is placed on the edge line segment, First, it examines whether the edge is divided, etc. The above-mentioned "Isolated-node" means a point that exists independently instead of the start and end points of the edge.
That is, it means a point object that does not have a line segment, such as water depth or a lighthouse.

Definition of line and face objects: Whether the edges referenced by line and face objects are continuous, whether the direction of continuous edges is constant, whether the edges do not intersect themselves To judge. Also, regarding the surface object, it is examined whether the surface is closed, whether holes are included in the surface, whether the holes interfere with each other, and whether the directions of the surfaces are not reversed. For example, it is examined whether the surface is closed as shown in FIG. 9A or whether the surface is not closed as shown in FIG. 9B. As shown in FIG. 9B, if the surface is not closed, an error will occur. In addition, as shown in FIG. 9 (c), it is examined whether the hole is included in the surface or whether the hole is not included in the surface as shown in FIG. 9 (d). As shown in FIG. 9D, an error occurs if the hole is not included in the surface.

(2) Catalog Examination In the catalog examination, it is examined whether the feature data matches the contents described in the object catalog, and whether the wrong attribute is added. The above-mentioned "object catalog" is a description of ISO rules (objects and attributes, attribute values, and related information rules), and the data of this description is stored in the database (shown in FIG. 1 above). Storage unit 13
7 or the storage unit 117 etc.) and is used for editing the nautical chart.

Concrete examination contents: Definition of object catalog according to the prescribed format for electronic charts Examination of whether the code of the object described according to the prescribed format for electronic charts is defined in the object catalog, code of attribute information Check if is defined in the object catalog.

Definition of Prohibited Object and Mandatory Attribute Whether the object defined as a prohibited object in the examination object catalog is described, the attribute defined as a mandatory attribute in the object catalog is described, or added Examine whether there is. The above-mentioned “prohibited object” means an object that is not specified in the object catalog. That is, it means an object that is arbitrarily defined (specification in Japan, etc.).

Examination of Character Code It is examined whether the attribute value of the national language attribute is described in the Japanese character code, and whether the attribute values other than the national language attribute are not described in the Japanese character code. The “national language attribute” means an attribute expressed by a unique character code of each country. For example, a place name represented by a Japanese character code, such as "Tokyo", corresponds to this.

(3) Data Consistency Examination In the data consistency examination, it is examined whether or not the data is described in accordance with the prescribed format for electronic charts and whether there is a data contradiction in the continuity of the water depth value.

Specific examination contents: Examination of whether the data complies with the prescribed format for electronic charts It is examined whether the entire cell data is covered with the objects of group 1. Also, it is examined whether the attribute described in the metadata is duplicated in the inner object. The "object of group 1" means a surface object which is the basis of the terrain data. Usually, objects are classified into group 1 and group 2, and in group 1, sea, land, etc.
Objects that always exist as faces are included, and other objects are included in group 2. That is, the object of group 1 means an object that must exist in the terrain data.

Examination of Position of Point Object In the objects described as lighthouse, buoy, and master-slave, it is examined whether the coordinates of the constituent point objects are different.

Examination of continuity of water depth area It is examined whether the water depth range of the water depth area is continuous with the adjacent surface objects. In addition, it examines whether the water depth area of the line object is described at the boundary where it is not continuous.

Examination of water depth point It is examined whether or not the water depth value of the water depth point object is within the water depth range of the included water depth area.

Consistency examination of land area and sea area When a land area object and a water depth area (sea area) object are adjacent to each other, it is examined whether a coastline object or an artificial shore object is described at the boundary.

As described above, (1) topology examination,
When an examination error occurs as a result of performing three examinations of (2) catalog examination and (3) data consistency examination, the examination processing unit 119 causes the display unit 113 to display a message indicating the examination error. As the examination error message here, the following message is preset in the storage unit 117.

(1) Error message in topology examination 1. There is no vector referenced by the feature. 2. No features refer to the vector. 3. The long name is duplicated. 4. The vector numbers are duplicated. 5. The vector is outside the cell range. 6. Point coordinates are not defined as a node. 7. The water depth value is not in the maximum or minimum range. 8. Water depths overlap. 9. The endpoint is not defined as a node. 10. The edges of the same line segment are not shared. 11. There is an end point on the edge line segment. 12. The lines are not continuous. 13. The direction of the line is not constant. 14. Self-intersecting within the same object. 15. The face is not closed. 16. The hole does not cover the face. 17. The holes are interfering with each other. 18. The directions of the faces are reversed (outside: clockwise,
Hole: counterclockwise). 19. There is a line segment of length "0". 20. The same endpoint is not shared. 21. There is an unnecessary vertex on the edge line segment. 22. Some of the holes are shared with some of the faces.

(2) Error message in catalog examination 1. The object is not in the catalog. 2. The attribute is not in the catalog. 3. The attribute value is not in the catalog. 4. The attribute value is outside the maximum and minimum range. 5. Attribute value type does not match catalog. 6. Missing required attributes. 7. Forbidden attribute is used. 8. There is no symbol image.

(3) Error message in data integrity examination 1. The entire surface is not covered by the objects of group 1. 2. The metadata hierarchy is not protected. 3. The coordinates of the lighthouse, buoy, and upright simple objects are different.

Therefore, when the result of the examination is an error, the examination processing section 119 stores the above-mentioned message indicating the examination error in the storage section 117.
The corresponding error message is acquired from the display unit 113 and displayed on the display unit 113. The examination processing unit 119 also automatically repairs the error portion or repairs it according to the instruction from the user through the input unit 191.

The examination processing unit 119 as described above is also effective when, for example, one electronic nautical chart is created using the cells of the electronic nautical chart created by another trader and is written in the exchange set 200. The electronic chart can be created, and the accurate electronic chart exchange set 200 can be provided to the user.

[Correction diagram edit processing unit 128 of the paper chart editing device 120] The correction diagram edit processing unit 128 allows the user to partially change the created paper chart by installing a new lighthouse or the like. If so, the data of the changed portion is stored in the storage unit 127.

For example, as shown in FIG. 10, a paper chart MP
When a change is made by the user on the display screen of the display unit 122 as described above in each of 1, MP2, MP3, the correction map editing processing unit 128 corrects each of the paper charts MP1, MP2, MP3. Data (correction diagram data) of the points (correction 1, correction 2, correction 3) are stored in the storage unit 12.
Save in 7.

Thereafter, for example, when the user gives an instruction to edit the correction diagram data, the correction diagram editing processing unit 12
In accordance with the user's instruction, the reference numeral 8 fetches the corresponding correction diagram data from the storage unit 127 and displays it on the display unit 127.

On the display screen of the display unit 127, input from the user is possible, which allows the user to use the mouse, keyboard, etc. of the input unit 121 to obtain the desired layout for each correction diagram. (See FIG. 10 above).

Then, the correction diagram editing processing unit 128 prints out the edited correction diagram as a modified nautical chart from the output unit 160 or outputs a Postscript file for printing on a film in accordance with an instruction from the user. .

By the correction map editing processing unit 128 as described above, for example, the changed portion of the changed nautical chart can be provided in a form that is easy for the user to understand, and the editing for this can be performed easily and efficiently. Can be done

Further, for the correction diagram edit processing unit 128,
If the automatic execution function for automatically executing the process for editing the correction diagram is provided, the correction diagram can be edited more efficiently. This automatic execution function provides, for example, a script language for setting a processing procedure, a processing execution start time, and the like in advance as a batch file.

[Plan chart editing apparatus 190] The plan chart editing apparatus 190, like the survey data editing apparatus 130, the electronic chart editing apparatus 110, and the paper chart editing apparatus 120, has a CPU.
The CPU consists of a personal computer including
Which cell should be combined or which survey data should be used to create an electronic nautical chart or paper nautical chart of a certain area by executing a predetermined processing program (planning chart editing tool) It is for planning such.

For example, the plan chart edit processing unit 193 acquires the cell data of each divided area obtained by the electronic chart editing apparatus 110 according to the instruction from the user through the input unit 191, and displays it on the display unit 192. Let

From the display screen of the display unit 192, an input from the user is possible, which allows the user to select any cell using the mouse or keyboard of the input unit 191 and to select another cell. Perform the operation of overlaying on the cell.
By repeating such an operation, the cell most suitable for the electronic chart or paper chart to be created is determined.

The plan chart editing processing unit 193 as described above can efficiently determine the cells or survey data used when creating the electronic chart or paper chart.

An object of the present invention is to supply a storage medium storing a program code of software for realizing the functions of the apparatus or system of each of the above-described embodiments to the system or apparatus, and to supply the computer of the system or apparatus. (Or CPU or MPU) reads and executes the program code stored in the storage medium,
It goes without saying that it will be achieved. In this case, the program code itself read from the storage medium realizes the function of each of the above-described embodiments, and the storage medium storing the program code constitutes the present invention.
As a storage medium for supplying the program code,
ROM, floppy disk, hard disk, optical disk, magneto-optical disk, CD-ROM, CD-R, magnetic tape, non-volatile memory card, etc. can be used. In addition to executing the functions of the above-described embodiments by executing the program code read by the computer, the OS or the like running on the computer is actually executed based on the instructions of the program code. It goes without saying that a case where a part or all of the processing is performed and the functions of the above-described respective embodiments are realized by the processing is also included. Further, after the program code read from the storage medium is written in the memory provided in the extended function board inserted into the computer or the extended function unit connected to the computer, the extended function is executed based on the instruction of the program code. It goes without saying that a case where a CPU or the like included in the board or the function expansion unit performs some or all of the actual processing and the processing realizes the functions of the above-described respective embodiments is also included.

[0120]

As described above, according to the present invention, both an electronic map (electronic map such as electronic nautical chart) and a paper medium map (paper map such as paper nautical chart) can be created from survey data,
Since the paper map can be created from the data of the electronic map, and the survey data that is the basis of the electronic map can be created from the data of the paper map, both the paper map and the electronic map can be efficiently created. Further, since the created paper map can be stored in a digitized state as the data of the electronic map which is the basis of it, various map management can be efficiently performed. In addition, since electronic maps and paper maps that have been created once can be changed on the data, changes due to changes in topography (changes in coastal topography due to reclamation, changes in nautical charts due to changes in seabed topography, etc.) It can be done easily. As a result, a new map can be constantly provided to the user.

[Brief description of drawings]

FIG. 1 is a block diagram showing an overall configuration of a nautical chart editing system to which the present invention has been applied in a first embodiment.

FIG. 2 is a survey data editing device of the above chart editing system,
It is a block diagram which shows the structure of an electronic chart editing apparatus and a paper chart editing apparatus.

FIG. 3 is a diagram for explaining survey data obtained by the survey data editing device.

FIG. 4 is a diagram for explaining a process of creating a chart of a certain area from the survey data.

FIG. 5 is a diagram for explaining an electronic chart created from the survey data by the electronic chart editing apparatus.

FIG. 6 is a diagram for explaining a paper chart created from the electronic chart data by the paper chart editing apparatus.

FIG. 7 is a diagram for explaining a printout of the paper chart data.

FIG. 8 is a block diagram showing a configuration of the chart editing system according to the second embodiment.

FIG. 9 is a diagram for explaining examination processing in the electronic chart editing apparatus of the chart editing system.

FIG. 10 is a diagram for explaining a correction diagram editing process in the paper chart editing device of the chart editing system.

[Explanation of symbols]

100 Chart editing system 110 Electronic chart editing device 112 Input section 113 display 114 cell creation section 115 Cell synthesis section 116 Output unit (CD-ROM Writer) 117 storage 120 Paper chart editing device 121 Input section 122 display 124 Paper Chart Creation Department 125 converter 126 conversion table 127 storage 130 Survey data editing device 131 Image reading unit 132 Input section 133 display 134 Survey data creation section 135 Converter 136 conversion table 137 storage 160 Output unit (printer) 200 exchange set (ENC)

─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kumiko Miyoshi 6-24-16 Shinjuku, Shinjuku-ku, Tokyo Within Japan Integrated System Co., Ltd. (56) References JP-A-5-1557577 (JP, A) JP-A 5-66712 (JP, A) JP-A-5-73659 (JP, A) JP-A-11-242430 (JP, A) JP-A-7-93519 (JP, A) JP-A-11-283004 (JP, A) (58) Fields surveyed (Int.Cl. ⁷ , DB name) G09B 29/00-29/14 G06T 17/40 G06T 17/50

Claims (4)

(57) [Claims] 1. A conversion unit having means for converting surveying data input or read into a computer from XY coordinate system data to latitude / longitude system data, and storing each of the XY coordinate system data and the longitude / latitude system data. A surveying data editing device that includes at least a storage unit that obtains the latitude and longitude system data output from the surveying data editing device, and converts the data into electronic chart data in accordance with a predetermined electronic chart prescribed format. Based on the electronic chart data, a means for creating an electronic chart of a predetermined area, at least an "electronic chart editing device", and obtains the latitude and longitude system data output from the electronic chart editing device, the latitude and longitude system data Means for creating paper chart data of an XY coordinate system according to a predetermined paper chart drawing method based on XY coordinate system data obtained by converting A means for creating paper chart data of an XY coordinate system according to a predetermined paper chart drawing method based on the latitude and longitude system data output from the quantity data editing device, and a paper chart of a predetermined area based on the paper chart data. "Paper chart editing apparatus" including at least means for creating, and further, after converting the XY coordinate system data held by the paper chart editing apparatus into latitude and longitude system data, the electronic chart editing apparatus Output to a means for creating an electronic nautical chart in the electronic nautical chart editing device based on the latitude and longitude system data, and / or converting the XY coordinate system data held by the paper nautical chart editing device into latitude and longitude system data. An electronic chart and a paper chart editing apparatus comprising: means for outputting to the survey data editing apparatus and outputting the latitude / longitude system data to the electronic chart editing apparatus to create an electronic chart. 2. The electronic chart editing apparatus is provided with an examination processing section, and the examination processing section uses reference data information preset in a storage section of the electronic chart editing apparatus,
2. The electronic chart and paper chart editing apparatus according to claim 1, further comprising program executing means for examining the format of the data structure of the electronic chart data. 3. The examination by the examination processing section includes an examination concerning whether or not the electronic chart data is described in data according to the prescribed format for the electronic chart. 2. An electronic chart and paper chart editing device according to 2. 4. A storage medium in which a program code for realizing each unit of each editing apparatus according to any one of claims 1 to 3 is stored so that it can be read by a computer.