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1. Preâmbulo

This is the user guide for the geographical information system (GIS) software QGIS. QGIS is subject to the GNU General Public License. More information is available on the QGIS homepage,

The contents of this document have been written and verified to the best of the knowledge of the authors and editors. Nevertheless, mistakes are possible.

Therefore, the authors, editors and publishers do not take any responsibility or liability for errors in this document and their possible consequences. We encourage you to report possible mistakes.

This document has been typeset with reStructuredText. It is available as reST source code on github, and online as HTML and PDF via Translated versions of this document can be browsed and downloaded via the documentation area of the QGIS project as well.

For more information about contributing to this document and about translation, please visit

Ligações neste Documento

This document contains internal and external links. Clicking on an internal link moves within the document, while clicking on an external link opens an internet address.

Documentation Authors and Editors

The list of the persons who have contributed with writing, reviewing and translating the following documentation is available at Contributors.

Copyright (c) 2004 - 2020 QGIS Development Team


Licença deste documento

É concedida a permissão para copiar, distribuir e / ou modificar este documento sob os termos da Licença de Documentação Livre GNU, Versão 1.3 ou qualquer versão posterior publicada pela Fundação de Software Livre; sem Secções Invariantes, sem textos de Capa e sem contra-capa. A cópia da licença é incluída no Apêndice Apêndice B: Licença de Documentação Livre GNU.

1.1. What is new in QGIS 3.34

This release of QGIS includes hundreds of bug fixes and many new features and enhancements, compared to QGIS 3.28. For a list of new features, visit the visual changelogs at

We recommend that you use this version over previous releases.