QGIS Configuration¶

General Settings¶

Aplicação

• Select the Style (QGIS restart required) and choose between ‘Oxygen’, ‘Windows’, ‘Motif’, ‘CDE’, ‘Plastique’ and ‘Cleanlooks’.
• Define the Icon theme . It can be ‘default’ or ‘Night Mapping’.
• Define the Icon size .
• Define the Font and its Size. The font can be Qt default or a user-defined one.
• Change the Timeout for timed messages or dialogs .
• Hide splash screen at startup
• Show tips at startup
• Check QGIS version at startup to keep you informed if a newer version is released
• QGIS-styled group boxes
• Use native color chooser dialogs (see Color Selector)
• Use live-updating color chooser dialogs (see Color Selector)
• Canvas rotation support (restart required)

Arquivos de projeto

• Open project on launch (choose between ‘New’, ‘Most recent’, ‘Welcome Page’, and ‘Specific’). When choosing ‘Specific’ use the to define the project to use by default. The ‘Welcome Page’ displays a list of recent projects with screenshot.

• Criar um novo projeto como projeto padrão. Tem a possibilidade de carregar em Usar projeto atual com padrão ou em Resetar padrão. Pode navegar através dos seus arquivos e definir um diretório onde encontra os modelos de projeto definidos pelo usuário. Isto será adicionado a Projeto ‣ Novo do modelo. Primeiro ative Criar novo projeto como projeto padrão e a seguir salve o projeto dentro da pasta de modelos de projeto.

• Prompt to save project and data source changes when required

• Solicitar confirmação quando uma camada for ser removida

• Warn when opening a project file saved with an older version of QGIS
• Enable macros . This option was created to handle macros that are written to perform an action on project events. You can choose between ‘Never’, ‘Ask’, ‘For this session only’ and ‘Always (not recommended)’.

System Settings¶

SVG paths

Add or Remove Path(s) to search for Scalable Vector Graphic (SVG) symbols. These SVG files are then available to symbolize features or decorate your map composition.

Diretórios dos complementos

Add or Remove Path(s) to search for additional C++ plugin libraries

QSettings

It helps you Reset user interface to default settings (restart required) if you made any customization.

Ambiente

Variáveis de ambiente do sistema podem ser vistas agora, e muitas configuradas, no grupo Environment (ver figure_environment_variables). Isto é útil para plataformas, tais como Mac, onde um aplicativo GUI não herda necessariamente o ambiente do utilizador da linha de comandos. Também é útil para configuração e visualização de variáveis de ambiente para os conjuntos de ferramentas externas controlados pela caixa de ferramentas de Processamento (p. ex., SAGA, GRASS), e para ativar a saída de depuração (“debugging”) para seções específicas do código-fonte.

• Use custom variables (restart required - include separators). You can [Add] and [Remove] variables. Already-defined environment variables are displayed in Current environment variables, and it’s possible to filter them by activating Show only QGIS-specific variables.

System environment variables in QGIS

Data Sources Settings¶

Atributos dos elementos e tabela

• Open attribute table in a dock window
• Copy features as ‘Plain text, no geometry’, ‘Plain text, WKT geometry’, or ‘GeoJSON’ when pasting features in other applications.
• Attribute table behavior : set filter on the attribute table at the opening. There are three possibilities: ‘Show all features’, ‘Show selected features’ and ‘Show features visible on map’.
• Default view: define the view mode of the attribute table at every opening. It can be ‘Remember last view’, ‘Table view’ or ‘Form view’.
• Attribute table row cache . This row cache makes it possible to save the last loaded N attribute rows so that working with the attribute table will be quicker. The cache will be deleted when closing the attribute table.

• Representação para valores NULL. Aqui, pode definir um valor para os campos de dados que contêm valores NULL.

Manipulação das fontes de dados

• Scan for valid items in the browser dock . You can choose between ‘Check extension’ and ‘Check file contents’.
• Scan for contents of compressed files (.zip) in browser dock . ‘No’, ‘Basic scan’ and ‘Full scan’ are possible.

• Solicitar subcamadas raster ao abrir. Alguns rasters suportam subcamadas — elas são chamadas de subdatasets no GDAL. Um exemplo são os arquivos netCDF — se há muitas variáveis ​​netCDF, GDAL verá cada variável como um subdataset. A opção permite que você controle como lidar com subcamadas quando um arquivo é aberto com subcamadas. Você tem as seguintes opções:

  • ‘Sempre’: Perguntar sempre (se existem subcamadas)

  • ‘Se necessário’: Perguntar se a camada não tem bandas, mas tem subcamadas

  • ‘Nunca’: Nunca pede, não irá carregar nada

  • ‘Carregar tudo’: Nunca pede, mas carrega todas as subcamadas

• Ignore shapefile encoding declaration. If a shapefile has encoding information, this will be ignored by QGIS.

• Adicionar camadas PostGIS com duplo clique e seleciona no modo estendido

• Adicione camadas Oracle com duplo clique e selecione em modo extendido

• Execute expressions on server-side if possible

Hidden Browser Path

This widget lists all the folder you chose to hide from the Browser panel. Removing a folder from the list will make it available in the Browser panel.

Rendering Settings¶

Rendering tab of Project Properties dialog

Rendering behavior

• By default new layers added to the map should be displayed

• Use tornar cache sempre que possível para acelerar redesenhos

• Representação de camadas em paralelo utilizando muitos núcleos CPU

• Máximo de núcleos para utilizar

• Intervalo de atualização do mapa (por padrão 250 ms)

• Enable feature simplification by default for newly added layers

• Simplificação de limiar

• Simplification algorithm: This option performs a local “on-the-fly” simplification on feature’s and speeds up geometry rendering. It doesn’t change the geometry fetched from the data providers. This is important when you have expressions that use the feature geometry (e.g. calculation of area) - it ensures that these calculations are done on the original geometry, not on the simplified one. For this purpose, QGIS provides three algorithms: ‘Distance’ (default), ‘SnapToGrid’ and ‘Visvalingam’.
• Simplify on provider side if possible: the geometries are simplified by the provider (PostGIS, Oracle...) and unlike the local-side simplification, geometry-based calculations may be affected

• Escala máxima a que a camada deve simplificar

• Magnification level (see the magnifier)

Qualidade de renderização

• Faz com que as linhas apareçam menos irregulares, em detrimento de algum desempenho do desenho

Curve segmentation

• Segmentation tolerance: this setting controls the way circular arcs are rendered. The smaller maximum angle (between the two consecutive vertices and the curve center, in degrees) or maximum difference (distance between the segment of the two vertices and the curve line, in map units), the more straight line segments will be used during rendering.

• Tolerance type: it can be ‘Maximum angle’ or ‘Maximum distance’

  Matriciais

• Com a Seleção de banda RGB pode definir o número para a banda Vermelha, Verde e Azul.

Melhora de contraste

• Single band gray . A single band gray can have ‘No stretch’, ‘Stretch to MinMax’, ‘Stretch and Clip to MinMax’ and also ‘Clip to MinMax’.
• Multi band color (byte/band) . Options are ‘No stretch’, ‘Stretch to MinMax’, ‘Stretch and Clip to MinMax’ and ‘Clip to MinMax’.
• Multi band color (>byte/band) . Options are ‘No stretch’, ‘Stretch to MinMax’, ‘Stretch and Clip to MinMax’ and ‘Clip to MinMax’.
• Limits (minimum/maximum) . Options are ‘Cumulative pixel count cut’, ‘Minimum/Maximum’, ‘Mean +/- standard deviation’.

• Limites de contagem cumulativa de pixeis de corte

• Multiplicador do desvio-padrão

Corrigindo Erros

• Map canvas refresh

Colors Settings¶

This menu allows you to add some custom color that you can find in each color dialog window of the renderers. You will see a set of predefined colors in the tab: you can delete or edit all of them. Moreover you can add the color you want and perform some copy and paste operations. Finally you can export the color set as a gpl file or import them.

Canvas and Legend Settings¶

Default map appearance (overridden by project properties)

• Define a Selection color and a Background color.

Layer legend

• Double click action in legend . You can either ‘Open layer properties’, ‘Open attribute table’ or ‘Open layer styling dock’ with the double click.
• The following Legend item styles are possible:
  • Capitalise layer names
  • Bold layer names
  • Bold group names
  • Display classification attribute names
  • Create raster icons (may be slow)
  • you can also set the WMS getLegendGraphic Resolution

Map tools Settings¶

This tab offers some options regarding the behavior of the Identify tool.

• Search radius for identifying and displaying map tips is a tolerance distance within which the identify tool will depict results as long as you click within this tolerance.
• Highlight color allows you to choose with which color should features being identified be highlighted.
• Buffer determines a buffer distance to be rendered from the outline of the identify highlight.
• Minimum width determines how thick should the outline of a highlighted object be.

Ferramenta de medida

• Define Cor do elástico para as ferramentas de medida

• Define Casas decimais

• Keep base unit to not automatically convert large numbers (e.g., meters to kilometers)
• Preferred distance units (‘Meters’, ‘Kilometers’, ‘Feet’, ‘Yards’, ‘Miles’, ‘Nautical Miles’, ‘Degrees’ or ‘Map Units’ )
• Preferred area units (‘Square meters’, ‘Square kilometers’, ‘Square feet’, ‘Square yards’, ‘Square miles’, ‘Hectares’, ‘Acres’, ‘Square nautical miles’, ‘Square degrees” or ‘Map Units’)
• Preferred angle units (‘Degrees’, ‘Radians’, ‘Gon/gradians’, ‘Minutes of arc’, ‘Seconds of arc’ or ‘Turns/revolutions’)

Movendo e ampliando

• Define a Zoom factor for zoom tools or wheel mouse

Escalas pré-definidas

Here, you find a list of predefined scales. With the and buttons you can add or remove your personal scales. You can also import or export scales from/to a .XML file. Note that you still have the possibility to remove your changes and reset to the predefined list.

Composer Settings¶

Composição padrão

You can define the Default font used within the print composer.

Aparência do Gride

• Define the Grid style (‘Solid’, ‘Dots’, ‘Crosses’)

• Define a Cor da grade

Configurações de guia e grade

• Define the Grid spacing
• Define the Grid offset for x and y
• Define the Snap tolerance

Composer Paths

• Define Path(s) to search for extra print templates: a list of folders with custom composer templates to use while creating new one.

Digitizing Settings¶

This tab helps you configure general settings when editing vector layer (attributes and geometry).

Criação de elementos

• Suppress attribute form pop-up after feature creation
• Reuse last entered attribute values
• Validate geometries. Editing complex lines and polygons with many nodes can result in very slow rendering. This is because the default validation procedures in QGIS can take a lot of time. To speed up rendering, it is possible to select GEOS geometry validation (starting from GEOS 3.3) or to switch it off. GEOS geometry validation is much faster, but the disadvantage is that only the first geometry problem will be reported.

Elástico

• Define Rubberband Line width, Line color and Fill color
• Don’t update rubberband during node editing

Ajuste

• Open snapping options in a dock window (QGIS restart required)
• Define Default snap mode (‘To vertex’, ‘To segment’, ‘To vertex and segment’, ‘Off’)

• Define Tolerância de atração pré-definida em unidades de mapa ou pixeis

• Define o Raio de pesquisa para editar vértices em unidades de mapa ou pixeis

Marcadores de Vértices

• Mostrar marcadores apenas para elementos selecionados

• Define vertex Marker style (‘Cross’ (default), ‘Semi transparent circle’ or ‘None’)

• Definir o vértice Tamanho do Marcador

Ferramenta de curva de afastamento

The next 3 options refer to the ^{Offset Curve} tool in Digitalização Avançada. Through the various settings, it is possible to influence the shape of the line offset. These options are possible starting from GEOS 3.3.

• Join style: ‘Round’, ‘Mitre’ or ‘Bevel’

• Quadrante do Segmento

• Limite quadrante

GDAL Settings¶

GDAL is a data exchange library for raster files. In this tab, you can Edit create options and Edit Pyramids Options of the raster formats. You can define which GDAL driver is to be used for a raster format, as in some cases more than one GDAL driver is available.

CRS Settings¶

Default CRS for new projects

• Don’t enable ‘on the fly’ reprojection
• Automatically enable ‘on the fly’ reprojection if layers have different CRS
• Enable ‘on the fly’ reprojection by default
• Select a CRS and Always start new projects with this CRS

SRC para novas camadas

Esta área permite que você defina a ação a ser tomada quando uma nova camada é criada, ou quando uma camada sem SRC é carregada.

• Prompt for CRS
• Use project CRS
• Use default CRS

Transformação de datum padrão

• Ask for datum transformation when no default is defined

• With the ‘on-the-fly’ CRS transformation enabled and the above option checked, adding layers of different CRS opens the Select datum transformations dialog. This offers you to select the most appropriate transformation settings. Validating this dialog with the ‘Remember selection’ option checked populates the table under CRS ‣ Default datum transformations with information about ‘Source CRS’ and ‘Destination CRS’ as well as ‘Source datum transform’ and ‘Destination datum transform’. From now, QGIS automatically uses the selected datum transformation for further transformation between these two CRSs until you remove it from the list.

  You can use the button to add a datum transformation if you know its parameters (source and destination ellipsoids and the numbers from the transformation table). You then need to manually enter each setting.

Locale Settings¶

• Override system locale and Locale to use instead
• Information about active system locale

Authentication Settings¶

In the Authentication tab you can set authentication configurations and manage PKI certificates. See Sistema de Autenticação for more details.

Network Tab¶

Geral

• Define Pesquisa de endereço WMS, padrão como http://geopole.org/wms/search?search=\%1\&type=rss

• Define Tempo esgotado para pedidos de rede (ms) - o padrão é 60000

• Define Default expiration period for WMS Capabilities (hours) - default is 24

• Define Período padrão de validade para a quadrícula WMSC/WMTS (horas) - o padrão é 24

• Define Max retry in case of tile or feature request errors

• Define Usuário-Agente

Proxy-settings in QGIS

Configurações de cache

Define the Directory and a Size for the cache.

• Use proxy for web access and define ‘Host’, ‘Port’, ‘User’, and ‘Password’.
• Set the Proxy type according to your needs.
  • Default Proxy: Proxy is determined based on the application proxy set using

  • Socks5Proxy: Proxy genérico para qualquer tipo de ligação. Suporta TCP, UDP, unindo a uma porta (ligações de entrada) e autenticação.

  • HttpProxy: Implementado usando o comando “LIGAR” , apenas suporta ligações TCP de saída; suporta autenticação.

  • HttpCachingProxy: Implementado usando comandos HTTP normais, é útil apenas em pedidos no contexto do HTTP.

  • FtpCachingProxy: Implementado usando um proxy FTP, é útil no contexto de pedidos FTP.

Alguns URLs excluídos podem ser adicionados na caixa de texto debaixo das configurações de proxy (veja Figure_Network_Tab).

If you need more detailed information about the different proxy settings, please refer to the manual of the underlying QT library documentation at http://doc.qt.io/qt-4.8/qnetworkproxy.html#ProxyType-enum

Variables Settings¶

The Variables tab lists all the variables available at the global-level.

It also allows the user to manage global-level variables. Click the button to add a new custom global-level variable. Likewise, select a custom global-level variable from the list and click the button to remove it.

More information about variables in the Variables section.

Advanced Settings¶

Depending on your OS, all the settings related to QGIS (UI, tools, data providers, default values, plugins options...) are saved:

• in a text file: $HOME/.config/QGIS/QGIS2.conf
• in the properties list file: $HOME/Library/Preferences/org.qgis.qgis.plist
• in the registry under: HKEY\CURRENT_USER\Software\QGIS\qgis

The Advanced tab offers you in a single place, regardless your OS, means to manage these settings through the Advanced Settings Editor. After you promise to be careful, the widget is populated with a tree of all QGIS settings, which you can directly edit.