# Texture
## 1 Edit Texture
ModelFun includes built-in texture editing tools, accessible directly in the OBJ view. Draw an area and edit texture using editing tools. The modified textures are instantly displayed in the OBJ view.
**Selection Methods**
* **Rectangle** – Draw a rectangular selection area.
* **Lasso** – Draw a freeform selection.
* **Polygon** – Draw a polygonal selection area.
**Editing Tools**
* **Fix Patch** – Define an area to be patched and drag the selected texture to cover it.
* **Copy Patch** – Copy and move a selected texture to a new position. Adjust the feather radius value for the edit area.
* **Heal Spot** – Use content-aware fill to repair texture imperfections.
* **Adjust Color** – Draw an area and fine-tune texture colors with:
* **Brightness/Contrast** – Adjust overall tone and contrast.
* **Hue/Saturation** – Adjust specific color ranges or all colors.
* **HSI** - Adjust hue, saturation and intensity.
## 2 Link to Photoshop
**1) Select Area** – In the OBJ view, draw a selection box around the area that needs editing. The software captures the texture of the selected area based on the current view.
**2) Auto-Link to Photoshop** – The texture automatically opens in Photoshop for editing.
**3) Save & Apply** – After editing, simply save the file. The changes will instantly update in the OBJ view.
**First-Time Setup:**\
If Photoshop is not linked, configure its file path in the settings window to enable this feature.
## 3 Unwrap UV
For complex and detailed models with occlusion issues, you can unwrap the UV of the selected area and edit it in Photoshop.
**1) Select Area** – In the OBJ view, draw a selection box around the area that needs UV unwrapping. The software generates the unwrapped texture map based on the selected area.
**2) Auto-Link to Photoshop** – The unwrapped texture automatically opens in Photoshop for detailed editing.
**3) Save & Apply** – After editing, save the file, and the changes will instantly update in the OBJ view.
## 4 AT Mapping
To use the AT Mapping feature, you need set the AT file first. Open the **Project > Setting** option, click **AT Setting**, select the AT file path and photo path, then click **OK** after setup.
**1) Draw Mapping Area** – In the OBJ view, select **AT Mapping** and draw the texture projection area.
**2) Auto Image Selection** – The system will automatically select multiple matching images, displaying them in the **Image List**.
**3) UV Adjustment** – If UV unwrapping is needed for specific regions, click **Edit UV** and define the unwrapping area.
**4) Apply Match** – Choose the most suitable image and click **Texture Mapping** to preview the texture mapping effect. Click **OK** to finalize.
## 5 Adjust Color
**1) Generate Color Mask** – Open the model in **Get3D Viewer**, adjust color, and export the color balancing parameter file as **\*.blender**.
**2) Load in Get3D ModelFun** – Import the Get3D Viewer color file into **ModelFun**, set the output format and save path.
**3) Select Tiles** - Manually or automatically select the tiles to be exported.
* **Modified**: Selecting all edited tiles.
* **Select All**: Selecing all tiles.
* **Invert**: Invert the selection of selected tiles.
* **Remove:** Remove the selection
**4) Apply task** – Click **Apply** to export models. Click **Task** to see the stautus of processing. If tasks failed, click **Retry** to export again.
[Adjust Color in Get3D Viewer](https://docs.get3d.ai/get3d-viewer/software-overview/display-menu#adjust-color)
