Aspect Ratio Properties

Aspect Ratio Properties is the smallest node in the IG1 Tools pack, and it does exactly one thing: takes an IG1_ASPECTRATIO value and unpacks it into its three plain forms - numerator, denominator, and the float value of the division. It's a leaf node, the final step in the resolution/ratio unpacking chain, and it exists so your workflow can actually decide things based on shape.

Where it fits: in this pack, aspect ratios travel as a single custom-type value. Resolution Properties hands you an ASPECT_RATIO output, but you can't compare a custom type to anything. Feed that output here and you get numbers you can wire into math nodes, conditional branches, or anything else that needs a plain value.

The three outputs

One input - aspect_ratio (an IG1_ASPECTRATIO) - and three outputs:

• NUMERATOR - INT, the top of the ratio
• DENOMINATOR - INT, the bottom of the ratio
• VALUE - FLOAT, the ratio as a decimal (numerator / denominator)

The ratio arrives already simplified to its lowest terms - a 1920×1080 resolution's aspect ratio comes through as 16:9, not 1920:1080 - and VALUE is just 16 ÷ 9 ≈ 1.7778. That's the output you'll actually use in practice, because it's what you compare against thresholds or feed into a switch. The numerator/denominator pair is mostly useful when you want to reconstruct a ratio cleanly without rounding.

When you actually need it

Honestly? Only in automation. If you're hand-driving a workflow, you can read the ratio off the node previews and set things yourself. Where this node earns its keep is the scenario the whole pack targets: a fully conditional pipeline where the graph has to decide on its own - "if the ratio is wider than 16:9, generate landscape and pad; otherwise, crop" - and needs a comparable number to make that call. It's also handy for logging or debugging: VALUE is the one output you can drop into a text/math chain without fighting a custom type.

There's no real setup here and nothing to tune. If your workflow never branches on shape, this node is skippable - that's fine. It's a utility leaf, not a feature.

Install

Part of the IG1 Tools pack, listed as "Flux Resolution" in ComfyUI Manager. Install via "Install via Git URL" with https://github.com/iguanesolutions/comfyui-ig1-tools.git, or clone into ComfyUI/custom_nodes and restart. It has no model downloads and no dependencies beyond what ComfyUI already ships, so install is a two-minute job with a mandatory restart at the end. Nodes appear under the IG1 Tools category.