Abstract
Abstract. Recent advancements in 3D city modelling and emerging trends in implementing and realising Digital Twins motivate the Department of Survey and Mapping Malaysia (JUPEM) to develop and implement SmartKADASTER (SKiP) Phase 2. SmartKADASTER Phase I was a precursor to this system, and it primarily focused on applying two-dimensional (2D) spatial data for 3D spatial analysis. CityGML was used as the data model for various Levels of Detail (LoD) in this new initiative to represent city models across the Greater Kuala Lumpur region. SmartKADASTER however, lacks strata information. Therefore, to integrate strata information into the SKiP citymodel environment, an Application Domain Extension (ADE) for CityGML has been developed to convert existing Strata XML to StrataGML, a CityGML-compliant data output format. This paper describes the purpose of the SmartKADASTER initiative in Section 1. Section 2 explains additional context for the initiative as well as some backgrounds. Section 3 discusses the conversion workflow and ADE definitions, followed by a brief discussion of visualisation in Section 4 and a project summary in Section 5.
Highlights
1.1 The TrendThe trending implementations and use cases of 3D cities around the world have shown the importance of integrating various aspects of spatial and non-spatial data towards realizing smart city (Biljecki et al, 2015) (Cousins, 2017) (Buyuksalih et al, 2019) (Balzani et al, 2020)
The current strata information is represented in XML described by custom schema definition (XSD) schema
By creating an Application Domain Extension (ADE) that store this information, the conversion process could map the vital information to the CityGML dataset which will exists as additional information complied to CityGML standard
Summary
The trending implementations and use cases of 3D cities around the world have shown the importance of integrating various aspects of spatial and non-spatial data towards realizing smart city (Biljecki et al, 2015) (Cousins, 2017) (Buyuksalih et al, 2019) (Balzani et al, 2020). Digital infrastructures, such as 3D cities platforms, essentially provide a platform that allows developments of digital ecosystems, which generates new opportunities, product and services as well as businesses, in addition to the benefit of better city management Establishing such infrastructure commonly requires high commitments, initiatives and cooperation among various stakeholders and parties, as well as technical skillsets requirements
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