Hotspot Mapping

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Hotspot Mapping is a UV mapping method that compares the parameters of Islands and Trims and makes automatic mapping based on the given settings. The original idea belongs to VALVE.

Tip

Watch the video explaining how Hotspot Mapping works.

To activate Hotspot Mapping you need to use button from Trim Operators (Trimsheet Panel) or from Pie Menu Shift+U on the Sector 1 with holding Shift.

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Hotspot

You can test Hotspot Mapping feature here.

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Hotspot Mapping Settings Panel

Hotspot

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Preprocess

Mode

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  • All Trims. Map in All Trims.
  • Selected Trims. Map only in selected Trims (Blue Frames).

Orient

  • As is. No rotation at all.
  • Orient to World. Orient Islands to World.
  • Orient to axis. Orient Islands to nearest axis.

Priority

  • Aspect. Priority to Aspect Ratio (Height to Width) matching. Good option if you don’t care about different TD between Islands.

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  • Area. Priority to Area matching, good for saving approximate TD.

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Settings

Allow Rotation

Allow Islands rotation 90’ to achieve the best results.

Keep Proportions

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  • Yes. Keep Islands Proportions.

  • No. Don’t keep Islands Proportions.

  • Trim Settings. Use particular Trim properties from Trim Settings - Advanced Settings panel.

Fit Axis

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  • Automatic. Automatically detect axis.

  • Trim Settings. Use particular Trim properties from Trim Settings - Advanced Settings panel.

    Trim

    hotspot_fit_trim_example

Area Matching

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  • As is. Islands will be located in Trim with the closest area.
  • Max. Islands will be located in Trim with the largest area. The highest possible TD.
  • Min. Islands will be located in Trim with the lowest area. The lowest possible TD.
  • Manual. Custom Scale.

Matching Scale

Adjust Scale for Manual settings of Area Matching Conditions. Value 1 is equivalent to As is settings of Area Matching Conditions.

Allow Variability

Variability options to make mapping more unique and less repetetive.

  • Allow Rotation Variation. Allow Islands random rotation 180’ degrees to increase Variability.
  • Allow Location Variation. Allow Islands to be placed in other Trims with similar parameters.

  • Variation Offset. Perform Islands Offset in the Trim if it’s possible.

    hotspot_variation_offset

  • Detect Radial. Detect Radial Islands and map them in Trims with Tag ‘HOTSPOT Radial’. Non-Radial Islands won’t be mapped to Radial Trims.

    hotspot_radial

    Tag

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  • Select Radials. Select Radial Islands.

  • Seed. Islands Variability Seed.

    hotspot_seed

  • Aspect Influence. Aspect Influence for calculating the correspondence proportions between Trims and Islands.