[Kst] Image data type

[Rick Chern]

George Staikos wrote:

>>Images would be like curves, except they have 3 vectors instead of 2.
>>So they would be used in similar ways to curves, mostly for plotting 3D
>>data on a 2D plot.  Zooming and scrolling on images would be analogous
>>to zooming and scrolling on curves.  It seems to make sense to have
>>images as data objects, just as curves are data objects.
>>    
>>
>
>   This makes me think that they belong in their own view objects.
>
>  
>
Hm, I'm not sure what you mean by belonging in their own view objects - 
should they be plotted in something other than Kst2DPlot?

>>>  If it's part of Kst2DPlot, shouldn't it really be part of the plot
>>>dialog then?  Effectively it has the same standing as a label or legend
>>>at that point.
>>>      
>>>
>>Images should be able to be not plotted, or plotted on more than one
>>plot, so I think making them analogous to curves would make sense.
>>    
>>
>
>   Is it going to be common that people will want 2d curves drawn over images, 
>or is it just a "bonus feature"?  If it's just a "bonus feature" I'm more 
>tempted to do the transparency approach.
>
>  
>
It probably will be common, but maybe less common than just having an 
image alone in a plot.