Part 2 | Image Resolution & Your Branding

This is part two of Image Resolution & Your Branding series. We will be going over saving your photos with Photoshop and answer some of your questions regarding your floor plan.

How do you actually do all this in Photoshop?

The ‘Image Size…’ dialogue in Photoshop – or similar apps – looks simple, but it’s a minefield if you don’t know what you’re doing. If you remember nothing else, remember that all the fields are essentially connected (because the pixel dimensions, resolution and physical printed size are). Changing one value will change others too, depending on what kind of resizing you’re trying to do. Here’s a guided tour.

  1. This maintains the aspect ratio – the relationship between the width and the height – and for almost every job you do, this should be active. Click to toggle.
  2. You can see the image size displayed in pixels, centimetres or other measurements. Note that of course everything’s still interrelated, so if you switch to centimetres and change the values, the pixel count might change as well.
  3. This is the DPI (or, more correctly, the PPI; clarification coming…) of the image.
  4. This is the tricky one. With this Resample option unchecked, the pixel dimensions – the number of pixels across and down – of your image won’t change as you tweak the values. You’re essentially just making each individual pixel bigger and smaller for output (Example A) when you adjust the resolution or physical size. With this box checked, you’re changing the pixel dimensions, either up or down. If you ultimately add more pixels (keep an eye on the Dimensions readout at the top), they’ll be added using interpolation (Example C).
  5. You have some options for how the image is resampled here; if you’re unsure, leave it on Automatic. ‘Nearest Neighbor’ is the only option not to use interpolation, and you should usually not use it; a common exception is if you’re dealing with pixel-perfect graphics such as low-res screenshots or eBoy-style pixel art, and you want the detail not to get smeary when you boost or reduce the resolution. In this case, work in increments of 100%.

That should hopefully have given you a basic understanding of the role of DPI and resolution, but I bet you still have questions. Let me guess what they are and try to answer them!

Frequently Asked Questions

What file format should my branding be?

Typically we request that you send us all logos and branding in an A.I., EPS, SVG, PDF format. Both A.I., EPS, and SVG can easily be opened and edited with our software and are high-resolution vectors.  On the other hand, PDF can be a bit hit or miss because many times the image which is embedded in the PDF is not a vector file.

What DPI should my photos be?

Typically we request that you give us a high-resolution photo at 300dpi.

Originally Written by Christopher Phin

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