## 15. Filtres Web

### 15.1. Introduction aux filtres

Web filters are mostly used on images intended for web sites. The filter Image Map is used to add clickable « hot spots » on the image. The filter Semi-Flatten is used to simulate semi-transparency in image formats without alpha channel.

This category describes the following filters:

- Section 15.2, « Image Map »

- Section 15.3, « Aplatir à moitié »

14.29. Spyrogimp |  | 15.2. Image Map

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