3B taşınmaz değerlemeye yönelik veri standardı eklentisi geliştirilmesi

Yıl 2024, Cilt: 13 Sayı: 3

Doğuş Güler

https://doi.org/10.28948/ngumuh.1469376

Öz

Sürdürülebilir kalkınma hedeflerine ulaşılmasında etkili arazi yönetimi oldukça önemlidir. Bu anlamda arazi idaresinin etkin bir şekilde uygulanabilmesine ihtiyaç duyulmaktadır. Bütüncül arazi idaresi yaklaşımındaki temel bileşenlerden birisi taşınmaz değerlemesidir. Değeri belirlerken çok sayıda faktörün dikkate alınması gerektiği göz önüne alındığında, günümüzde yapılı çevrenin karmaşıklaşmasıyla birlikte taşınmazların değerlemesi için iki boyutlu (2B) mekânsal verilerin yanı sıra üç boyutlu (3B) dijital modellerden faydalanılmasına yönelik bir eğilim görülmektedir. 3B mekânsal verilerin üretilmesinde Açık Mekânsal Veri Konsorsiyumu (Open Geospatial Consortium-OGC) standartları sıklıkla kullanılmaktadır. Arazi idaresi için ise Arazi İdaresi Alan Modeli (Land Administration Domain Model-LADM) temel kavramsal modeli sağlamaktadır. Bu çalışmada 3B şehir modellerinin oluşturulmasında yararlanılan CityJSON standardının taşınmaz değerleme uygulamalarında kullanılabilirliğini sağlamak amacıyla temel veri şeması LADM standardındaki değerleme bölümüne bağlı olarak genişletilmiştir. Yaklaşımın kullanılabilirliğinin gösterilmesi amacıyla üretilen eklentiye dayalı olarak veri seti üretilmiş, doğrulaması gerçekleştirilmiş ve 3B görselleştirmeler sunulmuştur. Sonuçların 3B taşınmaz değerleme bağlamında birlikte çalışabilir mekânsal veri setleri üretilmesine katkı vermesi beklenmektedir.

Anahtar Kelimeler

CityJSON, 3B şehir modeli, LADM

Development of data standard extension for 3D property valuation

Öz

Effective land management is very important in achieving sustainable development goals. In this sense, there is a need for efficient implementation of land administration. One of the main components of the holistic land administration approach is immovable property valuation. Given that many factors should be considered when determining the value, there is an increasing tendency to utilize three-dimensional (3D) digital models in addition to two-dimensional (2D) spatial data for the valuation of real estates with the complexity of the built environment today. Standards published by the Open Geospatial Consortium (OGC) are frequently used in the production of 3D spatial data. For land administration, the Land Administration Domain Model (LADM) provides the basic conceptual model. In this study, the basic data schema is extended depending on the valuation section in the LADM standard so as to ensure the usability of the CityJSON standard that is used in the creation of 3D city models in real estate valuation applications. In order to demonstrate the usability of the approach, a dataset is generated based on the extension. Then, it is validated and 3D visualizations are also presented. The results are expected to contribute to the production of interoperable spatial datasets in the context of 3D real estate valuation.

Anahtar Kelimeler

CityJSON, 3D city model, LADM

Kaynakça

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