[Paraview] Gray scale image & calculating area with ParaView

[Gita Das]

Hi Utkarsh,
Thank you so much for your reply.
Yes, now I found the grayscale option (from Choose Preset) which is what
I am after.
Regards,
Gita

> On Tue, Jun 10, 2008 at 8:38 PM, Gita Das <Gita.Das at med.monash.edu.au>
> wrote:
> 
> > 1. When I download a 3D .mhd gray scale image with ParaView 
> 3.2.1, it
> > appears in colour. The option "Map Scalars" under Display option 
> can be
> > turned off with a .png image to have a grayscale one but this option
> > does not work (i.e. remains inactive) with the .mhd image. How 
> can I
> > view my image in gray scale?
> >
> "Map Scalars" option is enabled only when the array used to color 
> is made up
> of upto 4 component unsigned chars. You can look at the data 
> type/number of
> components for the arrays using the "Information" tab. To map 
> scalars using
> a grayscale lookup table, go to the "Display" tab, click on "Edit 
> ColorMap", then click on "Choose Preset" and select grayscale.
> 
> Utkarsh
>