ISIS Application Documentation
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Compute size or scale of map
Overview | Parameters | Example 1 | Example 2 |
Parameter GroupsFiles
Map Definition
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This file must contain a valid mapping group. It can come from the labels of a cube, a hand-generated mapping group, or from the program "mapinit".
Type | filename |
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File Mode | input |
Filter | *.map *.cub |
This file will contain the size and scale of the map in a standard label format.
Type | filename |
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File Mode | output |
Internal Default | None |
Filter | *.txt |
This parameter is used to indicate if the user will define the map size with either the map scale or the size of the paper in inches.
Type | string | |||||||||
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Default | SCALE | |||||||||
Option List: |
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Map scales are a unitless representation of how many times the body was was reduced to fit on the piece of paper (map). Thus a 1:10000 implies that reduction was by 10000. It also implies that 1 inch on the map = 10000 inches on the body. Because the scale is unitless, 1 foot on the map would be 10000 feet on the body. When entering the value for scale only enter the portion after the colon as one is always assumed (i.e., SCALE=10000 implies 1:10000).
Type | double |
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This defines the maximum width of your map in inches. Note that the results of the computation will likely reduce one of width or height in order to preserve the aspect ratio of the map.
Type | double |
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This defines the maximum height of your map in inches. Note that the results of the computation will likely reduce one of width or height in order to preserve the aspect ratio of the map.
Type | double |
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Exclusions |
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Inclusions |
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Example 1Define scale, compute paper size Description
In this example, the user selects the SCALE option, defining a 1:1000
map scale, and the application computes the corresponding paper size.
Command Line
mapsize from=I00824006RDR.lev2.cub option=scale scale=1000
Specify the scale option for emphasis even though it is the default
Data Files
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Example 2Define paper size, compute scale Description
In this example, the user selects the PAPER option, defining a 38x100
paper size, and the application computes the corresponding scale.
Notice that the resulting PVL is identical to that of the previous
example with the exception of the Scale, Height, and Width keywords.
Command Line
mapsize from=I00824006RDR.lev2.cub option=paper width=38 height=100
Specify the paper option and provide the width and height
Data Files
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