> For the complete documentation index, see [llms.txt](https://docs.geopard.tech/geopard-tutorials/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geopard.tech/geopard-tutorials/fr/astuces-rapides-sig/qgis-reprojeter-un-shapefile.md).

# QGIS : reprojeter un shapefile

Reprojetez un shapefile dans QGIS pour correspondre aux systèmes de coordonnées de GeoPard et SIG.

Dans certains cas, il devient nécessaire de modifier la projection d’un shapefile. Cela peut être réalisé efficacement avec QGIS en enregistrant à nouveau le shapefile avec les paramètres de projection souhaités. Le processus comporte une série d’étapes commençant par l’ouverture du shapefile dans QGIS. Une fois le fichier chargé, l’utilisateur doit lancer le processus d’exportation, durant lequel il est crucial de définir la bonne projection.

En suivant ces étapes, la projection du shapefile peut être modifiée pour répondre aux exigences spécifiques du projet ou de l’analyse.

1. Ouvrir un shapefile dans QGIS
2. Exécuter l’opération d’exportation<br>

   <figure><img src="https://690567185-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FYICBELdyAXXebKAzfLOR%2Fuploads%2FBg7gIuDv2ATRpZLTA67k%2Fimage.png?alt=media&amp;token=fb458cd5-a720-42b5-bbd1-64e0306b1264" alt=""><figcaption></figcaption></figure>
3. Définir la projection SRS requise<br>

   <figure><img src="https://690567185-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FYICBELdyAXXebKAzfLOR%2Fuploads%2FBdxDpvwwQX2OnTe4TMpf%2Fimage.png?alt=media&amp;token=710e5135-cc81-422c-9ac7-8aafe867cbb9" alt=""><figcaption></figcaption></figure>


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