-> Eonfusion manual
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Matt Wilson Internal
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Version 2.0 represents a major increment in the capabilities of Eonfusion. The two headline features are the public Application Programming Interface (or API) and the exposure of raster vertex attributes. Each of these provides a much-expanded platform for both short and long term additions of new functionality. Complementing these headline features is a range of new additions that broaden the scope of Eonfusion’s application and increase the depth of its capability. Analysis capability has been expanded via the introduction of generic neighbour-linking operations. Visualization capability has been improved by the addition of transparency. The scope of data support has been widened by the addition of a 3D model data source. Communication has received a major boost from the addition of a free view licensing mode. Summaries of the new features are listed below: The API (Application Programming Interface) enables any Eonfusion user to write new data sources or operators using C# code. These new objects are freely and easily distributable to other Eonfusion users, so that those who don’t write code can still share in a broad range of new data formats, functions and analysis capabilities. Raster vertex attributes are now visible and editable in the same way as the vertex attributes of vector data. This enables the repositioning of raster data via existing methods: using the Expression Evaluator to modify vertex positions, for example. It also enables the application of metadata to raster vertex attributes, which in turn enables reprojection of rasters. Eonfusion now acts as a “free viewer” when unlicensed. This mode allows anybody to install Eonfusion and use it to view pre-prepared scene views. Sharing the Eonfusion experience is no longer limited to screenshots and captured video: you can now fully share the richness of an Eonfusion scene view with any number of people. Version 2.0 has two new neighbour linking operators. “Link Neighbouring Vertices” and “Link Neighbouring Raster Cells” both generate links that can subsequently be used to perform an almost limitless range of proximity-based analysis. Links between neighbouring vertices provide a means for executing a density or distribution analysis on vector data, while links between neighbouring raster cells provide a means for executing smoothing or correlation analysis. A 3D model data source adds a new dimension to the provision of contextual information in scene views. The data source supports the COLLADA/DAE format used by Google Earth and Google SketchUp, as well as the OBJ format. Models are loaded as 2D surface vector data and so they can be analysed, translated, transformed and visualized in all of the same ways as other 2D surface vectors. In situations where a dataset contains multiple independent subsets, fusion and intersection operations can now be performed within the aggregated subsets. This allows the efficiency of bundling multiple identical datasets, without the problem of fusing or intersecting independent records. The attribute selection table for fusion and intersection operators has been very greatly simplified. All visualizers now have an “Opacity” setting that allows a degree of transparency to be applied. Transparency potentially increases the richness and communicative power of many scene views. The ability to specify space definitions has been extended to the majority of operators in Eonfusion. Specifying a space definition, along with setting the relevant Usage metadata, enables the building of dataflows that are robust against changes to attribute names. A new “Transform Features” operator enables transformation of spatial features via specification of scale, rotation and offset values for any number of vertex attributes. A “Slice raster” operator is available for reducing the dimensionality of rasters. Rasters with three or more dimensions can easily be reduced to two or three dimensions by fixing the required number of indices. A depth bias setting allows a display order to be imposed on coplanar surfaces. This avoids the problem known as “z-fighting” where coplanar surfaces visually interfere with one another. Other new features in Eonfusion V2.0 include: - The position and size of windows and dialog boxes are remembered when they are re-opened. Settings are stored in a new layout cache. - Data set elements within a data structure view can be individually be expanded or collapsed. This results in clearer data structure views that use space more effectively. - The Scene contents pane can be properly hidden at the left of screen in the scene view. - A new operator can now be created by inserting it into position along an existing pipe. This is much more efficient than deleting the old pipe and then creating two new pipes once the operator is created. - New symbols on window tabs indicate whether a tab is a Scene view, Dataflow view, Graph view, Table view, Data structure view or Media view. - The ability to auto-scale the z-axis in a scene, to quickly and easily mitigate situations where the data and the vertical exaggeration are grossly mismatched. |
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