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Thank you, Salem! That worked. Turned out, my "image viewer" is called 'Eye of Gnome', and its manual says to call it 'eog' in the terminal. So this works:
string runit = "eog infinitiesRed.tga";...

Guys, I still can't figure out a way for my C++ file to open Ubuntu's "Image Viewer" and display the newly-generated .tga fractal image in it. Can someone help me do that, please?

(nothing from...

Thanks, brewbuck, but I'm a bit reluctant to use a new format. My teacher gave permission to copy/use that file-writing method, it works fine, but I don't fully understand how it works, so I wouldn't...

Ok, I got the program working great. It generates the fractal (with color now!), and saves it as a Targa file named "sanMarco.tga". Now, how can I make it automatically open after it is generated? My...

Thank you, Salem! Just double-clicking on those .tga files worked! Now I just need to figure out how to tweak it into displaying color... Is there a graphics program to add color to .tga files? Is...

Hmm. Thank you, that fixed all the compiling errors on the last two, "cactus" and "sanMarco", but when using g++ sanMarco.cpp gives no errors, but saying "./a.out" does nothing, just gives me another...

Hi- I'm trying to run some C++ code I found here that's so old, it uses <conio.h> and <graphics.h>, which aren't available. I'm trying to upgrade its code by removing the obsolete sections so that it...