Indeed!!! Thank you so much!

Yakir Gagnon
The Queensland Brain Institute (Building #79)
The University of Queensland
Brisbane QLD 4072
Australia

cell +61 (0)424 393 332
work +61 (0)733 654 089


On Thu, Mar 27, 2014 at 10:21 PM, Tim Holy <tim.h...@gmail.com> wrote:

> This is fixed if you do Pkg.update().
>
> --Tim
>
> On Wednesday, March 26, 2014 06:51:42 PM Yakir Gagnon wrote:
> > Stuck... Can someone give me an example of imwriting the output from
> > ImageCmap? So this for instance does not work (taken from "Using Image.jl
> > for false-color
> > maps"<
> https://groups.google.com/d/msg/julia-users/3LPIMCkxeFc/Gi37L86T3cgJ>
> > ):
> >
> > using Images, Color
> >
> > # build a sample image
> > datafloat = reshape(linspace(0.5, 1.5, 60000), 200, 300)
> > # convert the raw 0.5:1.5 data to a integer type, so we can index
> > dataint = iround(Uint8, 254*(datafloat - 0.5) + 1)  # ranges from 1 to
> 255
> > # build our colormap
> > b = RGB(0,0,1)
> > w = RGB(1,1,1)
> > r = RGB(1,0,0)
> > cmaprgb = Array(RGB, 255)
> > f = linspace(0,1,128)
> > cmaprgb[1:128] = [(1-x)*b + x*w for x in f]
> > cmaprgb[129:end] = [(1-x)*w + x*r for x in f[2:end]]
> >
> >
> > img = ImageCmap(dataint, cmaprgb)
> >
> >
> > imwrite(img,"image.jpg")
> >
> >
> > and results in:
> >
> > ERROR: no method scale(ScaleNone{Uint8},RGB)
> >
> > I tried all sorts of tricks and changes to no avail...
> >
> > Thanks in advance!
>

Reply via email to