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XMM-Newton Science Analysis System


colimchain (colimchain-1.8) [xmmsas_20070708_1801-7.1.0]

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Parameters

This section documents the parameters recognized by this task (if any).

Parameter	Mand	Type	Default	Constraints
prodsdir	no	string	.
Directory where the input images are to be found.
clobberprods	no	boolean	no	yes|no
`Yes' forces overwrite of colimchain output.
astest	no	boolean	no	yes|no
If 'yes', the task makes no system calls. This mode can be used if it is desired just to test the perl script.
instrument	no	string	m1	m1|m2|pn
XMM instrument.
idtype	no	string	index	index|full
Specifies how the user wants to enter the observation and exposure information. If `index', the task looks for the parameters obsindex and expindex; if `full', the task looks for the parameters obsid and expid.
obsindex	no	integer		obsindex$>0$
Read by the task if idtype=`index'. If there is more than 1 observation in the indicated product directory, colimchain lists them internally in increasing order, and produces output only for that member of the list indicated by this parameter. Note that the numbers start at 0.
expindex	no	integer		expindex$>0$
Read by the task if idtype=`index'. If there is more than 1 exposure for the selected observation, colimchain lists them internally in increasing alphanumeric order, and produces output only for that member of the list indicated by this parameter. Note that the numbers start at 0.
obsid	no	string
Read by the task if idtype=`full'. This is the 10-digit observation ID number.
expid	no	string
Read by the task if idtype=`full'. This is the 4-character exposure ID string: either S or U, followed by a 3-digit number.
bandlist	no	integer list	2 3 4
List of energy band numbers. These should be in increasing order.
withthumbnails	no	boolean	no	yes|no
To be set if it is desired to write thumbnail colur images.
thumbnaildir	no	string	./thumbnails
The directory in which to write the thumbnail images.
smooth	no	boolean	yes	yes|no
'Yes' invokes asmooth to smooth the input images before they are supplied to colimplot.
maxwidth	no	real	20.0 pixels	0.0 $\le$ maxwidth$\le$ 20.0 pixels
asmooth parameter. The maximum allowed value of the width $\sigma$ of the smoothing gaussian is specified via this parameter.
desiredsnr	no	real	20.0	$>0$
asmooth parameter. The maximum desired signal-to-noise ratio of the output image can be specified via this parameter.
nconvolvers	no	integer	30	$2\le$ nconvolvers$\le126$
The maximum number of gaussian smoothing kernels is specified via this parameter.
rebinimage	no	boolean	no	yes/no
colimplot parameter. Rebin the image to the specifications dictated by the parameters dividexby and divideyby or newnxbins and newnybins.
newnxbins	no	integer	100	$10\le$ newnxbins$\le 1000$
colimplot parameter. The number of x pixels in the rebinned image.
newnybins	no	integer	100	$10\le$ newnybins$\le 1000$
colimplot parameter. The number of y pixels in the rebinned image.
weirdness	no	real	-0.7	$-1.0\le$ weirdness$\le 1.0$
colimplot parameter. This parameter exerts control over the colour values of the plot. Values of weirdness that approach -1 give output colours in the so-called `thermal' sequence, ie that are similar to those acquired by heated black bodies; values that approach 1 give highly non-thermal colours such as greens and violets.
heat	no	real	0.0	$-1.0\le$ heat$\le 1.0$
colimplot parameter. This parameter exerts control over the colour values of the plot. Smaller values of heat make all the pixels `cooler' in the thermal sequence of colours (ie redder); larger values in contrast `heat up' the colour values, ie make them bluer.
heatspread	no	real	0.0	$-1.0\le$ heatspread$\le 1.0$
This parameter exerts control over the colour values of the plot. Smaller values of heatspread pull all the pixels in towards white, larger values spread them out more along the thermal sequence of colours.
cutoff	no	real	0.05	$0.0\le$ cutoff$\le 1.0$
colimplot parameter. Pixels which have a total flux which is less than cutoff times the maximum total flux are not included in calculations of the reference multiplet. The purpose of this is to prevent such calculations being skewed by background values, which usually dominate an image in terms of numbers of pixels involved.
gainstyle	no	string	auto	auto|user
colimplot parameter. If `auto', the gain is calculated such that the median image flux is scaled to about a third of the output brightness range. If `user', the value given via the parameter gain is used.
gain	no	real	8.0	$0.0\le$ gain
colimplot parameter. The image brightness is multiplied by this constant. Note it is only user-settable when parameter gainstyle = `user'.
pgdev	no	string	/png
colimplot parameter. The pgplot device name.
expandtomask	no	boolean	yes	yes/no
colimplot parameter. If a mask set is employed, this parameter can be set so as to expand the output image until the unmasked part of it just fills the available area. The exposure map is frequently used as a mask.
plotfile	no	string	test.ps
colimplot parameter. If the pgplot device is one that requires an output file, this gives the name of the file.
withframe	no	boolean	no	yes/no
If pgdev=`/ppm' and withframe=`yes', the task constructs a frame plot around the image, containing various pieces of information such as the name of the observer and the target. This is written to a .gif file named frame.gif, which can be combined with the output image by colimchain.
Parameter	Mand	Type	Default	Constraints