Source: http://qgis.orgDownload: http://qgis.org/en/download/current-software.html
Whats new in Version 1.4.0 'Enceladus'?
Please note that this is a release in our 'cutting edge' release series. As such it contains new features and extends the programmatic interface over QGIS 1.0.x and QGIS 1.3.0. If an unchanging user interface, programmatic API and long term support is more important to you then cool new and untested features, we recommend that you use a copy of QGIS from our Long Term Support (LTS)1.0.x release series. In all other cases we recommend that you use this version.
This release includes around 200 bug fixes, nearly 30 new features and has had a lot of love and attention poured in to it to take our favourite desktop GIS application another step on the road to GIS nirvana! So much has happened in the 3 months since our last release that it is impossible to document everything here. Instead we will just highlight a couple of important new features for you.
Probably the biggest new feature is the addition of the new vector symbology infrastructure. This is provided alongside the old implementation - you can switch using a button in the vector layer properties dialog. It does't replace the old symbology implementation completely yet because there are various isues that need to be resolved and a large amount of testinhen it is considered ready.
QGIS now has a field calculator, accessible via a button in the attribute section of the vector properties, and from the attribute table user interface. You can use feature length, feature area, string concatenation and type conversions in the field calculator, as well as field values.
The map composer has had a lot of attention. A grid can now be added to composer maps. Composer maps can now be rotated in the layout. The limitation of a single map layout per project has been removed. A new composer manager dialog has been added to manage the existing composer instances. The composer widget property sheets have been completely overhauled to use less screen space
Various parts of the user interface have been overhauled with the goal of improving consistency and to improve support for netbooks and other smaller screen devices. Loading and saving of shortcuts. Position can now be displayed as Degrees, Minutes, Seconds in the status bar. The add, move and delete vertex buttons are now removed and the node tool is moved from the advanced editing toolbar to the standard editing toolbar. The identification tool has also undergone numerous improvements.
A render caching capability has been added to QGIS. This speeds up common operations such as layer re-ordering, changing symbology, WMS / WFS client, hiding / showing layers and opens the door for future enhancements such as threaded rendering and pre-compositing layer cache manipulation. Note that it is disabled by default, and can be enabled in the options dialog.
User defined SVG search paths are now added to the options dialog.
When creating a new shapefile, you can now specify its CRS. Also the avoid intersections option for polygons is now also possible with background layers.
For power users, you can now create customizable attribute forms using Qt Designer dialog UIs.
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