In this section:
| Table of Contents |
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Introduction
The Create and Modify Charts command can create new charts or modify existing charts in folders with schema type Charts. The default name of such a folder is 2. Charts.
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- Frame: A polygon containing the chart definitions.
- Soundings: A point dataset containing extracted points within the chart frame.
- Seafloor: A DTM (digital terrain model) created from the Soundings dataset.
- Boundary: A help polygon used when creating the DTM. The polygon can be created automatically from the Soundings dataset or digitised by hand.
The Create and Modify Chart menu
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The parameters for the Create Single Chart tab
Chart name:
Enter the name of the new charts. Duplicate names are not allowed.
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The Scale to Survey Data button:
When clicking this button the chart frame size can be set around specific data files. The Select Survey Data menu appears and you can browse to the input files. When clicking OK the menu will read the specified files and set the chart frame with rounded values around the data.
The Scale to active window button:
When clicking this button the chart frame size can be set around the active data area.
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The Draw Chart Frame button:
When clicking this button the Chart Frame will be plotted in the 3D window.
When clicking the Execute button, the command will create a folder of type Chart with the specified chart name in the 2. Charts folder.
A Frame data object will then be created in the folder.
The coordinates and the size of the chart will be saved in the chart's properties panel.
Note: If the chart already exists, the function will not do any actions.
The parameters for the Create Matrix of Charts tab
This method is for creating new charts within an existing chart definition.
This method is useful if a chart should be split into smaller sections.
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The parameters for the Create Charts along Line tab
This method is for creating new charts along a specified trace line.
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The parameters for the Modify Chart tab
This method is for changing the definition of existing charts.
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The Scale to Survey Data button:
When clicking this button the chart frame size can be set around specific data files. The Select Survey Data menu appears and you can browse to the input files. When clicking OK the menu will read the specified files and set the chart frame with rounded values around the data.
The Scale to active window button:
When clicking this button the chart frame size can be set around the active data area.
The Draw Chart Frame button:
When clicking this button the Chart Frame will be plotted in the 3D window.
When clicking the Execute button, the command will modify the chart in the folder with the specified name.
If the name is modified, the folder will be renamed.
The Frame data object will be updated.
The coordinates and the size of the chart will be saved in the chart's properties panel.
The parameters for the Miscellaneous tab
In this tab there are some additional tools for the charts.
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In input field in the Import chart definitions from file part, the ascii file containing chart definitions is specified. By clicking the button the file can be browsed from the file system on the computer. The record on the file can contain the following information:
| Code Block |
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Name RefEast RefNorth Width Height Rotation
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Blank characters in the chart name is not allowd.
The Name can be omitted, then the name of the chart willl be Chart- followed by the sequence number for the chart definition in the ascii file.
If Name is omitted, then also Rotation can be omitted.
Blank records in the file, or records contaning wrong type of information will be skipped.
The records can be mixed with 6, 5 or 4 values according to the specifications above.
| Code Block |
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Format: (Name) RefE RefN Width Height Rotation
Chart 600590.00 6446150.00 6000.00 5910.00 0.00
600590.00 6446150.00 3000.00 2955.00 0.00
603590.00 6446150.00 3000.00 2955.00 0.00
600590.00 6449105.00 3000.00 2955.00
603590.00 6449105.00 3000.00 2955.00
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The content of the output file will typically be:
| Code Block |
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Format: (Name) RefE RefN Width Height Rotation
Chart 600590.00 6446150.00 6000.00 5910.00 0.00
SubChart-1 600590.00 6446150.00 3000.00 2955.00 0.00
SubChart-2 603590.00 6446150.00 3000.00 2955.00 0.00
SubChart-3 600590.00 6449105.00 3000.00 2955.00 0.00
SubChart-4 603590.00 6449105.00 3000.00 2955.00 0.00
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