[Pro] Picture file sizes

Is there any rule regarding original picture sizes that should be followed when inputting pictures into Exhibeo or can you just put them into Exhibeo and let it sort them out ?


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It will sort them out, but it does so using a compression algorithm (bi-linear interpolation) that is noticeably inferior to Photoshop’s bicubic interpolation. For the best results, have Exhibeo do as little as possible – get your images as close to the desired size as you can. When bilinear interpolation is used to make a massive jump (from print resolution to Web resolution) the results can be noticeably fuzzy. Hopefully in the near future, Exhibeo will gain the very useful Freeway feature of “pass-through” images, for those who know what size they want, and know how to make it “perfect” at that size.

Walter

On Oct 30, 2012, at 3:13 PM, Cos wrote:

Is there any rule regarding original picture sizes that should be followed when inputting pictures into Exhibeo or can you just put them into Exhibeo and let it sort them out ?


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Yes agreed - Im noticing this big time im using it for a client now and the images are really bad - so you are saying that the more optimised they are the less Exhibeo will process them so to speak?


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If you can work out what size Exhibeo will make them, and make yours just that size, you may be able to avoid much of the degradation. There’s nothing equivalent to pass-through in Exhibeo as of yet, but I know it’s been requested.

Walter

On Oct 30, 2012, at 4:31 PM, Justin Easthall wrote:

Yes agreed - Im noticing this big time im using it for a client now and the images are really bad - so you are saying that the more optimised they are the less Exhibeo will process them so to speak?


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Right the template Im using I can set the size… Good tip thanks


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So, what would you think is the best size to save the pre-Exhibeo images for websites that are 1024 x 768?


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best size to save the pre-Exhibeo images for websites that are 1024 x 768?

The point being made is that the input file size should be close to the output file size to avoid as much as possible of the inbuilt inerpolation.

So if you want your finished image to display at 800 x 600 then for best quality you should start with an 800 x 600 image.

But remember that most of these are responsive so that your viewers will see different sized images depending on their device/screen/window size.

David


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I am using lightroom 3 for my export files. No matter what size I specify in LR, even as small as 200 pixels, Exhibeo then displays them full screen. How do I get my finished image to display smaller than full screen?


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Chris,
This can be done with some CSS hackery. I’m assuming you’re using the Bloxx theme, let me know if I’m wrong. Add this to the "before " in Freeway:

<style>
.bloxx-image {
max-width: 500px
}
</style>

Change the 500px to whatever value you want to be the max-width.


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Caleb-

I am using focus, so I assume it would look thus?

.focus-image { max-width: 500px }

Thanks for your fast response!
Chris


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Chris,

Unfortunately the Focus gallery is much harder to tweak, so I’m sorry to say that with my existing knowledge of CSS I can’t really help you.

Hopefully someone with more expertise will be able to help. I, for one, would be quite interested to see how they work it.

Sorry that I can’t help you!
Caleb


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Thanks for trying. If Exhibeo powers to be are reading this, perhaps they will respond.


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On 29/01/2013 20:39, Chris Jones wrote:

Thanks for trying. If Exhibeo powers to be are reading this, perhaps they will respond.

Well, if you’re feeling brave you can try the following. Open the image-focus.js file from the export, and find the following line of code:

scale = Math.max((imageHeight+borderHeight) / availableHeight, (imageWidth+borderWidth) / availableWidth);

This is the line which calculates the scaling that needs to be applied to a particular image to make it fit the browser window. If you add code after this line to change the scale variable, you can change the size of the large images. For example,
adding the following line after the one I mention above will make the images 50% of the size they are by default:

scale *= 2;

Increasing the multiplier will decrease the size of the images, and decreasing it will increase the size of the images. Don’t forget that you will need to make this change any time you re-export from Exhibeo.

I haven’t had time to test this very much, but feel free to play around with it and see how you get on (probably best to make a backup copy of your export before doing this as well!)…

Hope this helps,

Stewart


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Has anyone had any luck with setting a max width on the ‘Focus’ theme like Caleb was asking? I tried Stewart’s suggestion and it did not seem to work for me. I’m not sure if there was a missing step in there which is assumed or what the problem is. I am working with some low resolution images and I don’t want Exhibio to keep blowing them up. It may even work better if I could have my Focus gallery not be responsive and just have a set size. is this doable? If there isn’t does anyone know any sort of plugin that I could use instead to get an Exhibeo ‘Focus’ type effect?

Thanks,

Brad


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Hi Brad,

Have you tried going to the Image menu and selecting Image Behavior in Browser > Max Original Size?

Note that this doesn’t apply to the thumbnail. If your images are smaller than the thumbs (200px wide, variable height) you’ll need to move the slider at the bottom of the window down.

Let us know if this doesn’t help,

Joe


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Thanks so much Joe! It looks like it worked!


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