http://imagej.273.s1.nabble.com/Image-Stack-Color-Analysis-tp5006839p5006856.html
> On 10 Mar 2014, at 13:49, Michael Schmid <
[hidden email]> wrote:
>
> Hi A.,
>
> probably the method of choice is creating a composite image from the stack:
> Image>Color>Make Composite.
>
> Then use the 'Channels' window to set the colors of the channels, etc.
> See
>
http://rsb.info.nih.gov/ij/docs/guide/146-28.html#sub:Channels...[Z]
>
> For the concentrations, one option is to select the area and use the Roi Managers 'Multi Measure' (in the 'More>>' menu). It will only give you the channel number, not the channel name.
>
> If you want to have more functionality, there are macros or plugins around, or you can write your own one. A simple starting point might be
>
http://rsb.info.nih.gov/ij/macros/MeasureStack.txt>
> Michael
> ________________________________________________________________
>> On Mar 10, 2014, at 04:10, ataulf wrote:
>>
>> Hello,
>>
>> I have a few images of the same rock (a stack) with each of them revealing
>> the presence of a certain element in a different color. So one of them will
>> show bright green when Silicon is present, another may show dark red where
>> Calcium is present, etc.
>>
>> Is there any way to overlay these and be able to tell what is the
>> concentration of all the minerals at a given point on the rock?
>>
>> Thank you for your time.
>>
>> Best regards,
>> A. Taulf
>
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