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Tim, I put the new GaiaCubeSpectrum.tcl in the /star/lib/gaia4.2/ directory (where the old pne was, I renamed the old one to a .old) but when I try to extract a spectrum from the cube I get an error, it is attached. Did I miss something else in the installation? cheers, colin  On Feb 18, 2008, at 8:34 PM, Tim Jenness wrote: > Colin, you can get the patch from > > http://starlink.jach.hawaii.edu/viewvc?view=rev&revision=26134 > > so you can apply it yourself (it doesn't require compilation since > it's in the tcl code). > > tim > > On Feb 18, 2008 8:05 AM, Peter W. Draper <[log in to unmask]> > wrote: > On Wed, 13 Feb 2008, Colin Aspin wrote: > > > Ah, maybe. It depends on whether you interpret "Low index" as > pixels or > > channels I guess. > > Hi Colin, > > thanks for the report. Yes, it is an issue to do with having the > sense of > the spectral coordinates different to the pixel coordinates. I've > fixed > GAIA so that this will work as you expect (and classed this as a > bug since > it is counter-intuitive, although things still work). > > Cheers, > > Peter. > > > On Feb 13, 2008, at 9:10 AM, Tim Jenness wrote: > > > >> Are you sure this isn't because the pixel coordinates are in the > opposite > >> direction to the world coordinates? > >> > >> Tim > >> > >> On Feb 13, 2008 8:02 AM, Colin Aspin <[log in to unmask]> wrote: > >> Hi All, > >> > >> I'm using gaia and some datacubes (HARP-B and UIST IFU) and I've > seen > >> strange behaviour for both when using the "Spectrum" tab. If I > click > >> on the image and extract a spectrum and then click the "Show > limits on > >> plot" button, I get the orange limit lines on the plot fine. > However, > >> if I drag the extremes to the location I want (towards the > center) I > >> can extract a new spectrum OK but the limits shown in pixels on the > >> window are the wrong way around, the lower limit has the higher > number > >> and the higher limit has the lower number. If I then use the > slidebars > >> to move the limits I have to move the lower- limit slidebar away > from > >> the center to get the limit lines to move towards the center and > >> visa-versa for the upper slidebar. I am using humu but this was > also > >> the case with puana and whatever came before (just never > bothered to > >> report it). See attached screen grab for evidence where the > >> lower-limit says 86 and the upper limit says 70. > > -- > Peter W. Draper, http://astro.dur.ac.uk/~pdraper >