3 CONTENTS Cornel Păunescu, Cristian Vasile, Cosmin Ciuculescu, Considerations for GNSS measurements ................................................................... 5 Constantin Bofu, Costel Boariu Spatial analysis on the 3d model of the terrain to determine the height of the recipitation layer ........................................................................................... 14 Constantin Bofu, Costel Boariu, Maximilian Diac Spatial analysis performed based on the numerical model of the elevation using autodesk map platform................................................................................... 21 Irinel Constantin Greşiţă, Ionuţ Maican, Dragoş Nica The role of specialist surveyor in inventory committee constituted for the application of Law 165/2013........................................................................ 27 Maria – Roberta Gridan, Carmen Grecea 3D Modeling methods – overview and comparison.................................................. 35 Anca Alina Lazăr, Costinela Pîrvan Experimental model evaluation on agricultural land ............................................... 45 Maricel Palamariu, Elena Ioana Peună, Alexandra Silvia Dreghici, The use of uav’s in topo-cadastral measurements.................................................... 55 Ana-Maria Loghin, Valeria Ersilia Oniga Digital Images and Total Station Measurements Fusion for 3D Buildings Models Creation........................................................................... 64 Mihaela Cârdei, Horaţiu-Iulian Hogaş, Constantin Bofu The land inventory in the context of implementing the 165/2013 law ....................... 72 Serghei Cucorean, Tatiana Cucorean A comparative analysis of software packages enabling the development of specific information systems for various economic sectors .................................. 80 Iulian Nichersu, Marian Mierla, Ion Grigoras, Aurel Nastase, Cristian Trifanov and Iuliana Nichersu High-resolution digital cartographic support for biodiversity and resources assessment in Danube Delta Biosphere Reserve ....................................................................... 89 Daniel Lepadatu, Loredana Judele, Gabriel Sandulache, Raluca Mitroi Statistical analysis of prices evolution for real estate urban cadastre of Iasi ........... 99 Radu Oprea, Daniel CUREA, Elena Chirila (Acatrinei) Database of agricultural land quality index in Mădârjac village, Iaşi county ........ 106