%PDF-1.4 % 1 0 obj << /Type /Pages /Count 1 /Kids [ 2 0 R ] >> endobj 2 0 obj << /Type /Page /Parent 1 0 R /Resources << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Font << /QuickPDFF1de6c9a9 70 0 R /QuickPDFF558f3f8e 120 0 R >> >> /Contents [ 5 0 R ] /MediaBox [ 0 0 595.2756 841.8898 ] /CropBox [ 0 0 595.2756 841.8898 ] >> endobj 3 0 obj << /Type /Catalog /Pages 1 0 R /Metadata 121 0 R >> endobj 4 0 obj << /Producer (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /Creator (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /CreationDate (D:20160523123727+02'00') /ModDate (D:20160523123727+02'00') >> endobj 5 0 obj << /Length 3075 /LC /iSQP >> stream 0 Tr /QuickPDFF558f3f8e 14 Tf 0 0 0 rg 100 Tz 0 Tw 0 Tc 0 Ts BT 1 0 0 1 69.9488 770.8329 Tm (Construction Geometric Model and Topology for 3d Cadastrecase Study in)Tj 1 0 0 1 246.6778 752.1709 Tm (Taizhou, Jiangsu)Tj ET /QuickPDFF558f3f8e 11 Tf 0 0 0 rg BT 1 0 0 1 107.8383 717.2179 Tm (Yuan Ding, Changbin Wu, Nan Jiang, Binqing Ma and Xinxin Zhou \(China, PR\))Tj ET /QuickPDFF558f3f8e 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 675.495 Tm 15.996 TL (Key words: )' ET /QuickPDFF1de6c9a9 12 Tf 0 0 0 rg BT 1 0 0 1 141.7323 675.495 Tm 15.768 TL (Cadastre; Digital cadastre)' ET /QuickPDFF558f3f8e 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 647.1486 Tm 15.996 TL (SUMMARY)' ET /QuickPDFF1de6c9a9 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 618.8021 Tm 15.768 TL (As the development of economy in China, the requirements of land resources growth rapidly. For)' (this reason, the land development is extending to 3D space. To manage the 3D space of land use,)' (3D cadastral management is needed urgently in China. Modeling of the 3D cadastral object has)' (always been the core in the research of 3D cadastre. )' ()' (To take full consideration of the history of cadastral registration and make full use of current 2D)' (cadastral data, constructing 3D cadastral data from 2D cadastral data is a widespread used solution)' (for 3D cadastre. For most of the 3D cadastral object are regular, simple and practical approaches)' (based on extrusion are widely used in 3D modeling. In this paper, we aim to propose a new)' (modeling approach for the 3D cadastral object based on extrusion. Unlike extrusion of most)' (approaches, our approach do not allow overlaps with between footprints. And a footprint can be)' (used to construct one or more 3D objects. Based on this approach, we extract 2D topological)' (features from 2D footprints. Then we use 2D topological features and height values to present 3D)' (topological features. )' ()' (By studying the 3D cadastral situation of Pozi street in Taizhou, we knew the requirements for 3D)' (modeling. We applied our approach to model 3D property space in Pozi street. Then we constructed)' (the 3D topology of these property spaces. This approach has no advantage in modeling complex 3D)' (object. )' ()' (However, it can construct more 3D objects than extrusion based approaches before. It provides an)' (easy and practical solution for constructing 3D model and topology in 3D cadastre. Using the 2D)' (feature to present the 3D feature can save storage space. Considering the current situation of)' (cadastral management in China, it may provide a new idea for constructing 3D cadastral objects. )' ET /QuickPDFF1de6c9a9 10 Tf 0 0 0 rg BT 1 0 0 1 56.6929 150.7097 Tm 13.14 TL (__________________________________________________________________________________________)' ()' (Construction Geometric Model and Topology for 3d Cadastrecase Study in Taizhou, Jiangsu \(7961\))' (Yuan Ding, Changbin Wu, Nan Jiang, Binqing Ma and Xinxin Zhou \(China, PR\))' ()' (FIG Working Week 2016)' (Recovery from Disaster)' (Christchurch, New Zealand, May 26, 2016)' ET endstream endobj 6 0 obj << /Length 316 /Filter /FlateDecode >> stream xMRKnCAۿSpk`y^Uu[jIɒT%C/:b}Rx\%=
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