Combining images side by side with overlays in beamer

Question

I have left and right images. I want to place them side by side and overlay them by clicking next in the presentation. The left pictures should change with every click and the right pictures would be nice to overlay with every click, so the old data still is shown in a weaker colour density. I thought smth like this:

begin{figure}[!htb]
centering
begin{minipage}{.5textwidth}
    centering
    begin{overlayarea}{textwidth}{textheight}
        begin{figure}
            only<1>
    {%
      includegraphics[width=.45textwidth]{left1.png}%
    }%
             only<2>
    {%
      includegraphics[width=.45textwidth]{left2.png}%
    }%
            only<3>
    {%
      includegraphics[width=.45textwidth]{left3.png}%
    }%
end{figure}
end{overlayarea}    
end{minipage}%


begin{minipage}{0.5textwidth}
    centering
    begin{overlayarea}{textwidth}{textheight}
    begin{figure}
                 only<4>
        {%
                 includegraphics[width=.45textwidth]{right1.png}%
        }%
                 only<5>
        {%
                 includegraphics[width=.45textwidth]{right2.png}%
        }%
                 only<6>
        {%
                 includegraphics[width=.45textwidth]{right3.png}%
        }%
end{figure}
end{overlayarea}    
end{minipage}
end{figure}

But it doesnt work yet. Maybe somebody has some ideas.

beamer includegraphics overlays png

Zed · Accepted Answer

begin{frame}
frametitle{Tasks}



begin{overlayarea}{textwidth}{textheight}
begin{figure}  

    raggedright
    only<1>
    {%
      includegraphics[scale=0.9]{left1.png}%
    }% 
    only<2>
    {%
      includegraphics[scale=0.9]{left2.png}%
    }%
    only<3>
    {%
      includegraphics[scale=0.9]{left3.png}%
    }%
    
    
    vspace*{-5.75cm}
    
    begin{overlayarea}{textwidth}{textheight}

    raggedleft

    begin{tikzpicture}
    only<1> {% 
    node (0,0) {includegraphics[scale=0.9]{right1.png}};%
    }%
    only<2> {%
    node (0,0) {includegraphics[scale=0.9]{right1.png}};%
    node [opacity=0.8] (0,0) {includegraphics[scale=0.9]{right2.png}};%
    }%
    only<3> {%
    node (0,0) [opacity=0.5] {includegraphics[scale=0.9]{right1.png}};%
    }%
    only<3> {%
    node (0,0) [opacity=0.5] {includegraphics[scale=0.9]{right2.png}};%
    }%
    only<3> {%
    node [opacity=0.7] (0,0) {includegraphics[scale=0.9]{right3.png}};%
    }%
    end{tikzpicture}

    end{overlayarea}   

end{figure}
end{overlayarea}      
end{frame}

Positioning on the same horizontal level works so far just with vspace*

Opacity has to be selected so far manually which can be tough with many images. Maybe somebody has an idea how just the last image gets high opacity and all images before have low opacity and are still visible.

Combining images side by side with overlays in beamer

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