jgg     2015 35 (2):  214-218    ISSN: 0412-1961  CN: 21-1139/TG Real\|time Dynamic Monitoring and Modeling for Large  Building Based on GNSS 1 School of Surveying and Land Information Engineering of Henan Polytechnic University, 2001 Shiji Road, Jiaozuo 454001, China 2 College of Surveying and Geo\|Information ofTongji University, 1239 Siping Road, Shanghai 200092, China Received: 2014-03-04  Revised: null  Online: 2015-04-15 Supporting info