Images and sizes | Actual versus rendered

Hi Guys
I might be thinking about this too much as a print designer but in trying to create layouts I often find my created image does not render size wise as I would expect by say 20 or 30 pixels ?

For example if in say the BB plain page template I create a new full width row, then inside that add a full width column I believe I have basically a 1920px row with a centred 1200px container with 5px border so an active cell of 1189-1190px.?

If I create a colour block of 1189px by 500px and insert this as a photo centrally with the 20 px global margins I get an artwork of not 1189px but 1159px (ish)

If I reduce the margins from 20 to 0 the artwork then measures 1200px - I eventually figured out that the 1189 artwork unconstrained by 0 margins is expanding to fill the 1200px container ?

If I change the margins from 20 to 5 (what I assume is the difference between 1200 container and 1189 container divided by two) … bingo I get a rendered artwork of 1189px wide. 100% what I would expect

Changing the margins from 5 to 10 creates an artwork compressed to 1179 so it seems to make some sense.

Ha ha…Now If I create a new 1920 row and add a 1189px photo container within and then add say a 500px square box artwork with the global 20px margins untouched I get a rendered artwork not at 500 but of 549 ish ?? How’s that working ?

To get a rendered accurate 500px square I tried taking 1189-500 artwork = 689 minus the (2x20px margins and 2x5px container difference at a total of 50px) = 639. If I create margins at half this value of approx 320px I get a 500px square artwork !!

Am I loosing the plot or does any of this math(s) make any sense

I appreciate all of this goes out the window and rendered size is relative to screen size and resolution so it will change for smaller or different devices but for a common 1920 x 1200 screen am I correct in any of my thinking

Sorry aprint designer playing in a web world !

Regards Chris

Hey Chris,

Appreciate the detailed explanation. But it’s kinda hard to answer your question without actually seeing the site. Do you mind sharing the URL with those images in place so we can take a look?

Ben

Hi Carlo
Thanks for reply - yes i will set a page up on the test site we are playing with and send it across in a while
Appreciate you looking at this

Will the url on the post be in public domain ?.. because if it will be I might have to do a bit more work to remove some images and logos

Regards Chris

Hey Chris,

No worries! Not really sure about your question though. You can password protect the page/site if you don’t want it to be crawled for now. And just post the password together with the URL in a private reply. :slight_smile:

Ben

Hi Carlo Thanks.
I will send a url link in a little while as a private reply
Thank You
Chris

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Hey Chris,

On the first 2 images on the Contact Us page, you’re using a Fixed Width row. The default width for that is 1100px. With the default margin of 20px on each side, you get 1060px, which is what the resolution is of the computer man on my screen running 1920x1080px. Not really sure what your question is on the last image but background images behave differently than image contents. Backgrounds fill the content area while image contents determine the content area.

Hope this makes sense.

Ben

Hi Carlos

Thank you.
I need do a bit more investigating to understand.
Appreciate your input

Chris

Hey Chris,

No worries! Let us know if you need anything further!

Ben