Visualization of 3D Property Data and Assessment of the Impact of Rendering Attributes

Abstract

Visualizations of 3D cadastral information incorporating both intrinsically spatial and non-spatial information are examined here. The design of a visualization prototype is linked to real-case 3D property information. In an interview with domain experts, the functional and visual features of the prototype are assessed. The choice of rendering attributes was identified as an important aspect for further analysis. A computational approach to systematic assessment of the consequences of different graphical design choices is proposed. This approach incorporates a colour similarity metric, visual saliency maps, and k-nearest-neighbour (kNN) classification to estimate risks of confusing or overlooking relevant elements in a visualization. The results indicate that transparency is not an independent visual variable, as it affects the apparent colour of 3D objects and makes them inherently more difficult to distinguish. Transparency also influences visual saliency of objects in a scene. The proposed analytic approach was useful for visualization design and revealed that the conscious use of graphical attributes, like combinations of colour, transparency, and line styles, can improve saliency of objects in a 3D scene.

Coherence of Cadastral Data in Land Management—A Case Study of Rural Areas in Poland

“…One should not forget the rapid technological progress [15][16][17][18][19][20], related to measurement capabilities, which makes data on the plot area and individual methods of land use more accurate. New technologies enable adding another (third) cadastral data dimension [21][22][23][24][25]. Data quality is very important both now, as it affects land management processes, and at the public finance level [46][47][48][49] in regard to future development trends.…”

“…or a high value of the land itself. Decisions taken in such circumstances should be based on reliable and accurate documentation, preferably expanded by the third dimension [21][22][23][24][25]54]. We live in a spatial and multidimensional world and reflecting the real situation in the cadastral system gives the stakeholders a larger information resource, which results in making executive decisions without detriment to the society or the land, objects and buildings situated in a close and more distant neighborhood.…”

“…Data necessary to update cadastral data are increasingly often acquired using cuttingedge technologies [13,[15][16][17][18][19][20], including unmanned aerial vehicles (UAV). The issue of data transformation from 2D to 3D has been widely dealt with [21][22][23][24][25]. The third dimension provided in cadastral registers is of particular importance to developers, authorities issuing building permits and entities that perform spatial management.…”

The State of the Art in Visual Analytics for 3D Urban Data

“…Application studies include Koziatek and Dragićević's iCity3D, a forecasting method for vertical urban development [KD17]. Surveyed visualization papers also include two evaluations on how users perceive transparency [WPH17] and rendering attributes [SAL*20] in visualizations of 3D cadastre; a design study discussing the requirements for 3D cadastre systems [SKB*13]; a visualization prototype for 3D cadastre [SORB18]; a distortion technique for 3D building properties [YCL*19]; and an immersive system that included property management [LLZ*16].…”

Utilizing Building Information Modelling in the Tax Assessment Process of Apartment Buildings

“…3D visualization has been widely known to have the ability to show better accuracy in understanding and interpreting data, as well as displaying a more solid form, improving the delivery of information from existing physical buildings (Seipel et al, 2020;Hassan et al, 2008). Previous studies have supported this statement; Atazadeh et al (2016) demonstrate how 3D digital data associated with various complex ownership spaces can be visualized and managed by developing a prototype Building Information Modelling (BIM) model for a multi-story building.…”