- [Instructor] In this video we're going to be talking about
render size and file formats.
Now I just finished one more of my renders,
it took me about a minute to process this one.
And I've been saving out each individual file type
that's available inside of the render tool.
Go ahead and close that render window here
and you can see over here
I'm just going back up to the output tools,
coming down here to render.
And then I'm selecting the output mode
or the image format here.
and I've done all the other ones here besides
Adobe Photoshop so go ahead and choose that one there.
I'm going to go ahead and start that render.
Alright, that's going to go ahead and calculate
and then start rendering.
And like I said I've already done this
for all of the other file formats
so this is going to be the very last of those formats.
And then we're going to take a look,
and see that size difference
between the different images
look at some of the quality and so on.
So we can really illustrate what's going to be the best format
for whatever you're working on.
Now, I generally recommend the .png file format
because it's fairly small,
it's probly not as small as a .jpg, but you have the option
of adding in transparency, or an alpha channel,
which is really helpful, and it's really easy
to work with that on the web.
But it really depends what your final output is,
if you're doing something for print,
you might want to go with a .tif file format,
or something like that, that doesn't have compression,
or very little compression on the file.
But very soon here, we'll be able to see the actual size
of these individual images.
And I want to let you know that each of these images
has been exactly the same, I didn't change any settings,
I just chose different file formats, and then saved out
the exact same image multiple times.
Now, if we go ahead and look over here,
in this file folder here, you can see here are
the individual images that have been saved out.
And, if we change the view over here to "details",
we can see there's a pretty big variation
between the individual different file types.
So the first one up here is a .jpg image, and it's
coming in at 384 kilobytes.
The .png is quite a bit bigger, at 1.5 megabytes.
The bit map image is a really big one, at eight megs.
The .tif file is actually pretty small,
believe it or not.
A lot of the time .tif files are quite large files,
but in this case here, it's actually about the same size
as the .png.
Then you've got the Photoshop format,
and then you have this .hdr file format.
Let's go ahead and open up a couple of these,
so open up the .jpg, it looks pretty good.
Let's open up the .png, there's the .png.
Now notice something pretty different
about those two images.
Here is the .jpg image, and here is the .png image.
And what's interesting about that is we saved out
the alpha channel with the .png.
So in this case here, we have just the model,
as well as the shadow that's being cast
on basically a transparent background,
which happens to be black, in this case here.
So if you include that alpha channel,
you're going to get results that look like this,
you can then take that, and put it on any color background
you want, because the background is transparent
at this point in time.