Re: color from txt images

Posted by Batishko, Charles R on
URL: http://imagej.273.s1.nabble.com/color-from-txt-images-tp3703300p3703301.html

In a direct offline reply to me, Wayne questioned how I import since an
imported text file should open as a 32-bit (float) image. I was properly
importing, however, embarassingly, when this first happened, and
neglecting that it was 32-bit, I incorrectly jumped to the conclusion
that it was RGB - somehow in spite of it being 32-bit and not 24 or
36-bit. Needing 8-bit gray scale, I just got into the habit of
immediately chnaging the mode to 8-bit grayscale every time I imported a
text file and forgot about the problem until I saw the post I replied
to.

Therefore...thanks to Wayne for calling attention to my ovesight and
error, and my apologies to any who caught that and spent any time
pondering it.

Optiker
[hidden email]
 

> -----Original Message-----
> From: ImageJ Interest Group [mailto:[hidden email]] On
> Behalf Of Batishko, Charles R
> Sent: Monday, March 27, 2006 8:17 AM
> To: [hidden email]
> Subject: Re: color from txt images
>
> Interesting...I have just the opposite problem. I generate an
> array in Excel that I save as a text file and import into
> ImageJ as a text file and it always opens as a 24-bit RGB
> image. Since I always want grayscale in this application, I
> have to manually change it to grayscale before saving as a TIFF.
>
> I assume your question has to do with the image mode. If, in
> fact, it has to do with the absence of color, that was
> addressed by Landini.
>
> Optiker
> [hidden email]
>  
>
> > -----Original Message-----
> > From: ImageJ Interest Group [mailto:[hidden email]] On
> Behalf Of
> > Naomi Barth
> > Sent: Wednesday, March 22, 2006 8:45 AM
> > To: [hidden email]
> > Subject: color from txt images
> >
> > Hi can someone tell me what I need to do to have a txt
> image that when
> > I open it in image J I will get colors.  The file currently numbers
> > from 0-255, but that can be changed to some rgb format.  So
> far when I
> > have tried saving differnt image types at txt images (8-bit color,
> > rgb, etc), and then opening  them up again in image J, they
> were all
> > greyscale.
> >
> > Thank you very much
> > Naomi Barth
> >
>