When using compare to evaluate model differences (macOS Sonoma 14.5, Gigapixel v7.3.1)
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zoom slider and +/- buttons are very sensitive. I have to be very careful to get the zoom level I’m looking for. I wish we could use the mouse wheel to zoom as in other applications.
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when comparing models, I would like to be able compare back to the original to help me see the differences. Is this possible? Or maybe the closest I could get would be to use the “standard” model as a baseline?
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when I enable settings by clicking on the sideways bowtie icon (?), it prescribes some sharpen, denoise, compression fixes. When these are applied, it’s hard for me to see the difference. Is there a way to toggle between the original & fixes to better see what changed?
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it took me a while to understand what the UI on the right side applied to as it’s not obvious initally. The settings on the right seem to apply to the selected window, but the cancel/apply model buttons are for the entire dialog - not just applying the settings.
Maybe some UI could be adjusted here to make the UI distinctions more clear - such as “Apply Selected Model”. And given that changes in settings can result in re-processing that can take a while, it might be nice to be able to make all your changes then apply the new collection of settings at one time.
Thank you for bringing this to our attention.
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We do have built-in functionality to allow a scroll wheel on a mouse to control the zoom amount. Are you unable to use this after importing an image to Gigapixel? I personally have the same MacOS and I am able to make use of my scroll wheel with version 7.3.1.
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The easiest way to accomplish this is to select your preview window option just above the file list.
The standard preview will allow you to select your enhancements and you can switch between the original and enhanced images by holder your left mouse click to toggle between the original and enhanced image.
The sliding preview option will allow you to slide the vertical bar from left to right, with the original image on the left and enhanced image on the right.
And finally the split view will have the original image on the left and enhanced image on the right for preview.
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Again, please use the preview options listed above to view the original and enhanced versions of your image relative to the enhancement settings used.
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Hovering your mouse icon over each available settings menu on the right panel will allow you to get a brief description of the available options.
Thanks a lot Justin, those were helpful insights.
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I have a Logitech MX Master 3 for Mac mouse. After reading your reply, I still haven’t been able to make my mouse wheel act as a zoom control with gigapixel (maybe it’s app state dependent?). I drag/drop an image into the standalone Gigapixel app, then click on the preview in top right. Mouse wheel doesn’t do anything. From the main window on left side, mouse wheel scrolls the image up/down vertically. I didn’t see any preference settings for mouse wheel, not sure why yours works but mine does not.
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Awesome that the mouse left button toggles between original and enhanced. I had not discovered that 
In the preferences section, I see a shortcuts subsection specifically for keyboard shortcuts. Maybe mouse actions could be listed there too?
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Ah, I didn’t realize what the toolbar buttons did under the bottom right of the main image. I moused over them looking for a tooltip, but there wasn’t one. But there are tooltips for the next row in the “image” toolbar for Denoise, Sharpen, etc…
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Hovering mouse over settings on right panel - I do see helpful descriptions for each - but the descriptions lack details on which model window they would apply to. Also there isn’t a tooltip for the diagonal bowtie icon. Experimenting, it looks like when the diagonal bowtie becomes green, it means that the settings are determined automatically.
Gigapixel is super awesome and amazing. Thanks to all at Topaz Labs for making this.
For the scroll issue, you may want to review your Zoom settings in your Accessibility menu to ensure the correct settings are selected.
- On your Mac, choose Apple menu
> System Settings, click Accessibility 
in the sidebar, then click Zoom on the right. (You may need to scroll down.)
I’ve provided my personal settings which allow me to Zoom on scroll with the Gigapixel main preview screen.
My Accessibility > Zoom settings look just like the screen shot you shared - all toggles are to the left (off). Good idea to check though. I can zoom very nicely with a couple other input devices below. I’ll keep fishing around to see if I can get the mouse wheel to zoom for me since it works for you 
- the touch pad (using the “expand” gesture, opposite of pinch) on my MacBook Pro.
- holding the CMD/ALT button on keyboard and pressing +/- keys on keyboard
Strange indeed but I’m glad you found a workaround for the time being.
Please keep me updated on your findings and I’ll be sure to continue investigating any causes on our end of things.
