[Gimp-user] Image Resolution and Color Depth

[Csanyi Pal]

"David Gowers" <00ai99 at gmail.com> writes:

Hi David,

> On Tue, Aug 12, 2008 at 7:23 PM, Csanyi Pal <csanyipal at gmail.com>
> wrote: 
>> "David Gowers" <00ai99 at gmail.com> writes:
>>> On Tue, Aug 12, 2008 at 6:02 PM, Csanyi Pal <csanyipal at gmail.com>
>>> wrote: 
>>
>>>> I have a photo that I must to change so so the maximum Image File
>>>> Size 
>>>> will be 62,500 bytes, the 'Image Resolution' must be 320 pixels
>>>> high by 240 pixels wide, and the Image Color Depth must be 24-bit
>>>> color. 
>>>>
>>>> The Image is in JPG format now, and has 2128 pixels width, 2832
>>>> pixels hight, X-Resolution 72,000 pixels/inch and Y-Resolution
>>>> 72,000 pixels/inch in the Gimp.
>>
>>>> How can I know whether the Image has Color Depth 24-bit color?
>>> If the item selected in the Image->Mode menu is 'RGB'
>>
>> This Image has only one layer, the background layer.
>> In the Image->Mode menu 'RGB' is gray but the 'Grayscale' and
>> 'Index..' aren't gray, so I can select them.
>>
>> But, in the Channels I can see there Red, Green, Blue and Alfa 
>> channel, and in the Title line of the Image window there I can see: 
>> ImageName.jpg-5.0 (RGB, 1 layer) 2128x2832.
>>
>> I think that, that this Image is RGB, right?
> Yes, the title is also a good guide.
> Actually, I believe the 'proper', logical way to do this is through
> Image->Properties.
> The 'Colorspace' property specifies whether the image is rgb, gray,
> or indexed. 

I haven't that option: Image->Properties

maybe because I'm using Gimp version 2.2.

Why I haven't this option?

-- 
Regards, Paul Csanyi
http://www.freewebs.com/csanyi-pal/index.htm