ZEMCH 2015 - International Conference Proceedings | Page 674

Figure 1: Sample snapshot of the EnViz application, showing the locations of data loggers Figure 2: Sample snapshot of the EnViz application, showing temperature of spaces The application was developed in Java SE 7, utilising the OpenGL programming interface, as implemented in the Lightweight Java Game Library (LWJGL). The model input format is COLLADA, an open-source text-based format for 3D graphics, while the data logger input can be either via XML or directly via Comma Separated Values (.csv) and Microsoft Excel (.xlsx) files. 672 ZEMCH 2015 | International Conference | Bari - Lecce, Italy