casa5
Public
Source
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<input>15
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<param type="string" name="imagename" mustexist="true" >16
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<description>Name of the input image</description>17
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<value></value>18
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<example>imagename='ngc5921_task.image'</example>19
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</param>20
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<param type="any" name="region">22
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<description>Region selection. Default is to use the full image.</description>22
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<description>Region selection. Empty string (default) means use rules for box/chans/stokes specification.</description>23
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<any type='variant' limittype='string stringArray'/>24
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<value type='string'/>25
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</param>26
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<param type="string" name="box">28
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<description>Rectangular region(s) to select in direction plane. Default is to use the entire direction plane.</description>28
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<description>Rectangular region(s) to select in direction plane. Empty string (default) means use the reference pixel.</description>29
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<value/>30
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</param>31
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<param type="string" name="chans" >33
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<description>Channels to use. Default is to use all channels.</description>34
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<value/>35
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</param>36
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<param type="string" name="stokes">38
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<description>Stokes planes to use. Planes specified must be contiguous. Default is to use all Stokes planes.</description>99
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2. A region specified by a set of rectangular100
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pixel coordinates, the channel ranges and/or the Stokes.101
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For directed output, run as 103
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myoutput = imval()104
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Keyword arguments:107
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imagename -- Name of input image108
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Default: none; Example: imagename='ngc5921_task.im'109
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region -- Region selection. Default is to use the full image.109
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region -- Region selection. Empty string (default) means use rules for box/chans/stokes specification.110
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Example: region='myimage.im.rgn'111
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region='region1'112
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box -- Rectangular region to select in direction plane. Default is to use the entire direction plane.112
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box -- Rectangular region to select in direction plane. Empty string (default) means use the reference pixel.113
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Default: '' (referencepixel values for the Directional coord); 114
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Example: box='10,10,50,50'115
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box = '10,10,30,30,35,35,50,50' (two boxes)116
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chans -- Channels to use. Default is to use all channels.117
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stokes -- Stokes planes to use. Planes specified must be contiguous. Default is to use all Stokes planes.118
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Example: stokes='IQUV'; 119
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stokes='I,Q'120
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General procedure:122
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