A slight (fixed or adjustable via menu) decrease in the scale of the minimap. Added an independent horse minimap scale. Keystrokes support.

Works in TW3 1.31 (old versions works in 1.22-1.30)

Fixed scale mod version changes:
MINIMAP_EXTERIOR_ZOOM from 1 to 0.66
MINIMAP_INTERIOR_ZOOM from 2 to 1.33
MINIMAP_BOAT_ZOOM from 0.5 to 0.33

Adjustable version is able to change zoom in range 50% ... 400%
Added independent horse minimap scale.
Mod settings appear in the "Main game menu / OPTIONS / Mods / MINIMAP ZOOM".
To enable menu Mods in menu Options may help adding following lines in "<user profile>\Documents\The Witcher 3\user.settings":
[ContentManager/Mods]
MaxNameLength=64
Enabled=true

)

Installation:

1. Extract modMinimapZoom<version>.7z to your Witcher 3 mods folder e.g. "The Witcher 3 Wild Hunt\Mods"

2. Use Witcher Script Merger to detecting and resolving potential conflicts

3. Copy content of "The Witcher 3 Wild Hunt\Mods\modMinimapZoom\bin" to "The Witcher 3 Wild Hunt\bin" by hands or run "Mods\modMinimapZoom\copy_bin.cmd"

4.Add to begining of input_azerty.ini, input_qwerty.ini, input_qwertz.ini in "The Witcher 3 Wild Hunt\bin\config\r4game\legacy\base\" following strings:
[Exploration]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)

[Horse]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)

[Boat]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)

[BoatPassenger]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)

[Swimming]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)

[Diving]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)

[Exploration_Replacer_Ciri]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)

[Horse_Replacer_Ciri]
IK_NumPlus=(Action=MMZ_Increment)
IK_NumMinus=(Action=MMZ_Decrement)


5. Add to "The Witcher 3 Wild Hunt\bin\config\r4game\user_config_matrix\pc\input.xml" under <VisibleVars> following strings:
    <Var builder="Input" id="MMZ_Decrement" displayName="Minimap zoom out" displayType="INPUTPC" actions="MMZ_Decrement" />
    <Var builder="Input" id="MMZ_Increment" displayName="Minimap zoom in" displayType="INPUTPC" actions="MMZ_Increment" />

6. 'Reset to default'  keybindings in OPTIONS / KEY BINDINGS

7. Bind 'Minimap zoom in' and 'Minimap zoom out' to any keys you want