Registro de cambios para QGIS 2.0

Herramientas de análisis

Característica: Comandante de Procesamiento

For quick access to geoprocessing functionality, just launch the processing commander (Ctrl + Alt + M) and start typing the name of the tool you are looking for. Commander will show you the available options and launch them for you. No more searching through menus to find tools. They are now right at your fingertips.

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Característica: Mejoras en complemento Mapas de Calor

The heatmap plugin has seen numerous improvements and optimisations, resulting in much faster creation of heatmaps. Additionally, you now have the choice of which kernel function is used to create the heatmap.

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Característica: Soporte de procesamiento

The SEXTANTE project has been ported to and incorporated into QGIS as core functionality. SEXTANTE has been renamed to “Processing” and introduces a new menu in QGIS from where you can access a rich toolbox of spatial analysis tools. The processing toolbox has incredibly rich functionality - with a python programming API allowing you to easily add new tools, and hooks to provide access to analysis capabilities of many popular open source tools such as GRASS, OTB, SAGA etc.

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Característica: Modelador de Procesamiento

One of the great features of the new processing framework is the ability to combine the tools graphically. Using the Processing Modeller, you can build up complex analysis from a series of small single purpose modules. You can save these models and then use them as building blocks in even more complex models. Awesome power integrated right into QGIS and very easy to use!

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Aplicación y opciones del proyecto

Feature: Define default startup project and project templates

With QGIS 2.0 you can specify what QGIS should do when it starts: New Project (legacy behaviour, starts with a blank project), Most recent (when you start QGIS it will load the last project you worked on), Specific (always load a specific project when QGIS starts). You can use the project template directory to specify where your template projects should be stored. Any project that you store in that directory will be available for use as a template when invoking the Project --> New from template menu.

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Característica: Variables de ambiente del sistema

Current system environment variables can now be viewed and many configured within the application Options dialog. Useful for platforms, such as Mac, where a GUI application does not necessarily inherit the user’s shell environment. Also useful for setting/viewing environment variables for the external tool sets controlled by the processing toolbox, e.g. SAGA, GRASS; and, for turning on debugging output for specific sections of the source code.

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Característica: Escalas de acercamiento definidas por el usuario

A listing of zoom scales can now be configured for the application and optionally overridden per project. The list will show up in the Scale popup combo box in the main window status bar, allowing for quick access to known scales for efficiently viewing and working with the current data sources. Defined scales can be exported to an XML file that can be imported into other projects or another QGIS application.

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Explorador

Característica: Mejoras al panel de navegador en-aplicación

  • Directorios pueden ser filtrados con expresiones * ! (wildcard) o expresiones regulares
  • Nueva domicilio de Proyecto (directorio padre del proyecto actual)
  • Ver Propiedades del directorio seleccionado en un diálogo
  • Escoger a cuál directorios hacer Examinado Rápido
  • Elija Adicionar a directorio directamente en Favoritos mediante el diálogo navegador del sistema de archivo
  • Nuevo /Volumes en Mac (directorio oculto para acceder a unidades externas)
  • Nuevo grupo OWS (colación de conexiones disponibiles de servidor de mapa)
  • Abra un segundo navegador (Ver -> Paneles -> Navegador (2)) para interacciones arrastre-y-pegue entre paneles del navegador
  • Íconos ahora ordenados por tipo grupo de elemento (sistema de archivo, bases de datos, servidores de mapa)
  • Capa Propiedades ahora tiene un mejor diseño visual

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Proveedores de Datos

Característica: mejora del Proveedor de Datos Ráster

The raster data provider system has been completely overhauled. One of the best new features stemming from this work is the ability to “Layer -> Save As…” to save any raster layer as a new layer. In the process you can clip, resample, and reproject the layer to a new Coordinate Reference System. You can also save a raster layer as a rendered image so if you for example have single band raster that you have applied a colour palette to, you can save the rendered layer out to a georeferenced RGB layer.

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Característica: Soporte para Oracle Spatial

QGIS 2.0 ahora incluye soporte para Oracle Spatial.

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Característica: Adicionado proveedor Web Coverage Service

QGIS ahora provee soporte nativo para capas Web Coverage Service - el proceso para adicionar wCS es similar a adicionar una capa WMS o WFS.

Característica: Corte acumulativo 2% ráster predeterminado

Many raster imagery products have a large number of outliers which result in images having a washed out appearance. QGIS 2.0 intoduces much more fine grained control over the rendering behaviour of rasters, including using a 2% - 98% percent cumulative cut by default when determining the colour space for the image. The image here shows QGIS 1.8 (left) versus QGIS 2.0 (right) when rendering the same image with default settings.

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Característica: Formato de identificar WMS

Ahora es posible seleccionar el formato de los resultados de la herramienta de identificación para capas WMS si múltiples formatos conocidos son admitidos por el servidor. Los formatos admitidos son HTML, elemento (GML) y texto. Si se selecciona el formato de elemento (GML), el resultado está en la misma forma que para capas vectoriales, la geometría puede estar destacada y el elemento incluyendo atributos y geometría puede copiarse al porta-papeles y pegado a otra capa.

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Característica: Soporte WMTS

The WMS client in QGIS now supports WMTS (Web Mapping Tile Service) including selection of sub-datasets such as time slices. When adding a WMS layer from a compliant server, you will be prompted to select the time slice to display.

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General

Característica: Quantum GIS ahora se conoce solo como “QGIS”

The “Quantum” in “Quantum GIS” never had any particular significance and the duality of referring to our project as both Quantum GIS and QGIS caused some confusion. We are streamlining our project and as part of that process we are officially dropping the use of the word Quantum - henceforth we will be known only as QGIS (spelled with all letters in upper case). We will be updating all our code and publicity material to reflect this.

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Etiquetado

Característica: Nuevo sistema de etiquetado

The labelling system has been totally overhauled - it now includes many new features such as drop shadows, “highway shields”, many more data bound options, and various performance enhancements. We are slowly doing away with the “old labels” system, although you will still find that functionality available for this release, you should expect that it will disappear in a follow up release.

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Característica: Propiedades de etiquetas basadas en expresión

The full power of normal label and rule expressions can now be used for label properties. Nearly every property can be defined with an expression or field value giving you more control over the label result. Expressions can refer to a field (e.g. set the font size to the value of the field “font”) or can include more complex logic.

Ejemplos de propiedades enlazables incluyen:

  • Tipo de letra
  • Tamaño
  • Estilo
  • Tamaño de la zona de influencia

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Característica: Antiguo motor de etiquetado dado de baja

Use of the older labelling engine available in QGIS <= 1.8 is now discouraged (i.e. deprecated), but has not been removed. This is to allow users to migrate existing projects from the old to new labelling engine.

Se aplican las siguientes líneas guías para trabajar con el motor más antiguo en QGIS 2.0:

  • Deprecated labelling tab is removed from vector layer properties dialog for new projects or older opened projects that don’t use that labelling engine.
  • Deprecated tab remains active for older opened projects, if any layer uses them, and does not go away even if saving the project with no layers having the older labelling engine enabled.

Deprecated labelling tab can be enabled/disabled for the current project, via Python console commands, e.g.:

>>> QgsProject.instance().writeEntry('DeprecatedLabels', '/Enabled', True | False)
# or
>>> QgsProject.instance().removeEntry('DeprecatedLabels', '/')

NOTE: There is a very high likelihood the deprecated labelling engine will be completely removed prior to the next stable release of QGIS. Please migrate older projects.

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Leyenda de Capa

Característica: retroalimentación visual y opciones de leyenda

  • Conteo total para elementos en una capa, así como por símbolo
  • Capas vector en modo edición ahora tiene un lápiz rojo para indicar ediciones no despachadas (no guardadas)
  • La capa activa ahora está subrayada, para indicarla en selecciones multi-capas or cuando no existe selección
  • Clicking in non-list-item whitespace now clears the selection
  • Clicks-derecho se tratan ahora como Clicks-izquierdo antes de mostrar el menú contextual, permitiendo un click en vez de dos
  • Grupos y capas pueden estar opcionalmente en el estilo letra negrita.
  • Raster layer generated preview icons can now be turned off, for projects where such rendering may be slow

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Característica: Duplicar la capa de mapa existente

Duplicate selected vector and raster layers in the map layer legend. Similar to importing the same data source again, as a separate layer, then copy/pasting style and symbology attributes.

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Feature: Multi-layer toggle editing commands

User can now select multiple layers in legend and, if any of those are vector layers in edit mode, choose to save, rollback, or cancel current uncommitted edits. User can also choose to apply those actions across all layers, regardless of selection.

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Diseñador de Mapa

Característica: Elementos Mapa HTML

Ahora puede colocar elementos html sobre su mapa.

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Característica: Soporte multipágina

Una ventana única de diseñador ahora puede contener más de una página.

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Característica: Expresiones en etiquetas del diseñador

The composer label item in 1.8 was quite limited and only allowed a single token $CURRENT_DATE to be used. In 2.0 full expression support has been added too greater power and control of the final labels.

Una etiqueta con una expresión como:

This was printed on: [% format_date( $now, 'dd.MM.yyyy')%]

será evaluado al momento de impresión (y momento de despliegue) para generar:

This was printed on: 06.09.2013

When atlas generation is enabled the currently active features” attribute values will also be accessible in the expressions allowing such things as:

Asset ID [% "ID" %] and the Tree Type is [% "TreeType" %]

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Característica: Auto ajustar líneas

Having nicely align map items is critical to making nice printed maps. Auto snapping lines have been added to allow for easy composer object alignment by simply dragging an object close to another.

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Característica: Ajuste Manual de Líneas

Sometimes you need to align objects a curtain distance on the composer. With the new manual snapping lines you are able to add manual snap lines which allow for better align objects using a common alignment. Simply drag from the top or side ruler to add new guide line.

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Característica: Generación de series de mapa

Ever needed to generate a map series? Of course you have. The composer now includes built in map series generation using the atlas feature. Coverage layers can be points, lines, polygons, and the current feature attribute data is available in labels for on the fly value replacement.

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Feature: Automatic overview support in map frame

Need to show the current area of the main map frame in a smaller overview window. Now you can. The map frame now contains the ability to show the extents of other and will update when moved. Using this with the atlas generation feature now core in the composer allows for some slick map generation. Overview frame style uses the same styling as a normal map polygon object so your creativity is never restricted.

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Característica: Mezcla de capa

Layer blending makes it possible to combine layers in new and exciting ways. While in older versions, all you could do was to make the layer transparent, you can now choose between much more advanced options such as «multiply», «darken only», and many more.

Blending can be used in the normal map view as well as in print composer. For a short tutorial on how to use blending in print composer to make the most out of background images, see «Vintage map design using QGIS».

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Característica: Soporte etiqueta HTML

HTML support has been added map composer label item to give you even more control over your final maps. HTML labels support full css styles sheets, html, and even javascript if you are that way inclined.

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Característica: Leyenda multicolumna del diseñador

The composer legend now supports multiple columns. Splitting of a single layer with many classes into multiple columns is optional. Single symbol layers are now added by default as single line item. Three different styles may be assigned to layer/group title: Group, Subgroup or Hidden. Title styles allow arbitrary visual grouping of items. For example, a single symbol layer may be displayed as single line item or with layer title (like in 1.8), symbols from multiple following layers may be grouped into a single group (hiding titles) etc. Feature counts may be added to labels.

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Característica: Actualizaciones al administrador del diseñador de mapa

Se hicieron las siguientes mejoras a la administración del diseñador de mapa:

  • Composer name can now be defined upon creation, optionally choosing to start from other composer names
  • Ahora los diseñadores pueden ser duplicados
  • New from Template and from Specific (in Composer Manager) creates a composer from a template located anywhere on the filesystem
  • El proyecto padre puede ser guardado ahora directamente desde el espacio de trabajo del diseñador
  • Todas las acciones de gestión del diseñador ahora están accesibles directamente desde el espacio de trabajo del diseñador

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Complementos

Característica: Administrador de complementos renovado

In QGIS 1.x managing plugins was somewhat confusing with two interfaces - one for managing already installed plugins and one for fetching python plugins from an only plugin repository. In QGIS 2.0 we introduce a new, unified, plugin manager which provides a one stop shop for downloading, enabling/disabling and generally managing you plugins. Oh, and the user interface is gorgeous too with side tabs and easy to recognise icons!

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Programabilidad

Característica: Nueva consola Python

The new Python console gives you even more power. Now the with auto complete support, syntax highlighting, adjustable font settings. The side code editor allows for easier entry of larger blocks of code with the ability to open and run any Python file in the QGIS session.

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Característica: Aún más funciones de expresión

With the expression engine being used more and more though out QGIS to allow for things like expression based labels and symbol, many more functions have been added to the expression builder and are all accessible though the expression builder. All functions include comprehensive help and usage guides for ease of use.

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Característica: Funciones de expresión personalizadas

If the expression engine doesn’t have the function that you need. Not to worry. New functions can be added via a plugin using a simple Python API.

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Característica: Nueva API Python más limpia

The Python API has been revamped to allow for a more cleaner, more pythonic, programming experience. The QGIS 2.0 API uses SIP V2 which removes the messy toString(), toInt() logic that was needed when working with values. Types are now converted into native Python types making for a much nicer API. Attributes access is now done on the feature itself using a simple key lookup, no more index lookup and attribute maps.

>>> feature['mycolumn'] = 10
>>> feature['mycolumn']
10

The way features are read from a layer has also been improved allowing for multithreading in the future versions.

for feature in layer.getFeatures():
       print feature['mycolumn']

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Característica: Compatibilidad de código con lanzamientos versión 1.x

As this is a major release, it is not completely API compatible with previous 1.x releases. In most cases porting your code should be fairly straightforward - you can use this guide to get started. Please use the developer mailing list if you need further help.

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Característica: Macros de proyecto Python

A Python module, saved into a project.qgs file, can be loaded and have specific functions run on the following project events:

  • openProject()
  • saveProject()
  • closeProject()

Se puede configurar si los macros se ejecutarán en las opciones de aplicación.

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Simbología

Característica: Propiedades definidas por datos

With the new data defined properties, it is possible to control symbol type, size, color, rotation, and many other properties through feature attributes.

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Característica: Administración mejorada de capa símbolo

The new symbol layer overview uses a clear, tree-structured layout which allows for easy and fast access to all symbol layers.

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Característica: Soporte de transparencia para definiciones de color

In most places where you select colours, QGIS now allows you to specify the alpha channel (which determins how transparent the colour should be). This allows you to create great looking maps and to hide data easily that you don’t want users to see.

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Característica: Control de color para capas ráster

QGIS 2.0 allows you to precisely control exactly how you’d like raster layers to appear. You now have complete control over the brightness, contrast and saturation of raster layers. There’s even options to allow display of rasters in grayscale or by colorising with a specified color.

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Característica: Copiar simbología entre capas

Its now super easy to copy symbology from one layer to another layer. If you are working with several similar layer, you can simply right-click on one layer, choose Copy Style from the context menu and then right-click on another layer and choose Paste-Style.

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Característica: Guardar estilos en su base de datos

If you are using a database vector data store, you can now store the layer style definitions directly in the database. This makes it easy to share styled layers in an enterprise or multi-user environment.

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Feature: Colour ramp support

Colour ramps are now available in many places in QGIS symbology settings and QGIS ships with a rich, extensible set of colour ramps. You can also design your own and many cpt-city themes are included in QGIS now “out of the box”. Color ramps even have full support for transparency!

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Característica: Defininir estilos predeterminados personalizados para todas los tipos de capas

Now QGIS lets you control how new layers will be drawn when they do not have an existing .qml style defined. You can also set the default transparency level for new layers and whether symbols should have random colours assigned to them.

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Interfaz de usuario

Característica: Nuevo tema de ícono

We have updated out icon theme to use the “GIS” theme which introduces an improved level of consistency and professionalism to the QGIS user interface.

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Característica: Pestañas en lados, grupos que colapsan

We have standardised the layout of tabs and introduced collapsible group boxes into many of our dialogs to make navigating the various options more easy, and to make better use of screen real estate.

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Característica: Notificaciones moderadas

In many cases we want to tell you something, but we don’t want to stop your work or get in your way. With the new notification system QGIS can let you know about important information via a yellow message bar that appears at the top of the map canvas but doesn’t force you to deal with it if you are busy doing something else. Programmers can create these notification (e.g. from a plugin) too using our python API.

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Característica: Fuente de letras personalizada y stylesheet Qt de la aplicación

The system font used for the application’s user interface can now be set. Any C++ or Python plugin that is a child of the QGIS GUI application or has copied/applied the application’s GUI stylesheet can inherit its styling, which is useful for GUI fixes across platforms and when using custom QGIS Qt widgets, like QgsCollapsibleGroupBox.

The generated QGIS GUI application stylesheet for the current platform can be accessed after launching with (in PyQGIS):

qgis.utils.iface.mainWindow().styleSheet()

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Característica: Diálogos y botones del seleccionador vivo de color

Every color chooser button throughout the interface has been updated to give visual feedback on whether the current color has a transparent, or “alpha,” component. The color chooser opened by the new color buttons will now always be the default for the operating system. If the user has Use live-updating color chooser dialogs checked under Options -> General -> Application, any change in the color chooser will immediately be shown in the color button and for any item currently being edited, where applicable.

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Característica: Anotaciones SVG

With QGIS 2.0 you can now add SVG annotations to your map - either pinned to a specific place or in a relative position over the map canvas.

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Característica: Constructor de formas con arrastrar y soltar

QGIS 2.0 supports a great new system for creating data entry forms. With the drag and drop form designer you can create smart looking forms with tabs to group common fields together. Now it is much easier to control the data entry experience for your users.

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Característica: Herramienta de acción predeterminada

If you are a user of vector layer actions (small tasks that can run when you click on a feature), you will love the new action tool on the toolbar. With it you can select an active action and then click on your features to invoke that action.

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