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NSF,NGA release first unclassified digital elevation models of Alaska
NSF NGA first unclassified digital elevation models Alaska
2016/9/12
The National Science Foundation (NSF) and the National Geospatial-Intelligence Agency (NGA) have publicly released new three-dimensional topographic maps of Alaska in support of a White House Arctic i...
IMPROVEMENT OF RAINFALL-RUNOFF MODELS USING OPTICAL AND RADAR REMOTE SENSING DATA
ERS Data Soil Moisture Rainfall Land Cover Rainfall-run off Modeling GIS
2015/12/28
GIS are used for the rainfall-runoff model development and determining its parameters. GIS data comprise soil layer, topography including three dimensional data, and land cover data. Rainfall estimati...
MULTI-RESOLUTION REPRESENTATION OF DIGITAL TERRAIN MODELS WITH TOPOGRAPHICAL FEATURES PRESERVATION
Geometry Geomorphology Extraction Simplification Feature Multi-resolution
2015/12/23
Multi-resolution TIN model is a promising solution for achieving rapid visualization speed and interactive frame rates in the contexts of visualization, virtual reality (VR), and geographic informatio...
A Study of Geographic Models Integration in Distributed CollabOrative Design
Model Integration Distributed Interoperability Design GIS
2015/12/3
To better adapt to modern distributed and heterogeneous network environment, Geographic Information Systems (GIS) will be used by more and more geographers, who are from different regions and work for...
Generalization of Textured 3D Building Models for Map-Like Presentations
Generalization Algorithms Building Three-dimensional GIS Visualization
2015/12/2
Institute for Photogrammetry (ifp), Universität Stuttgart, Germany Geschwister-Scholl-Str. 24D, D-70174 Stuttgart martinlike presentation. In this paper, a generalization algorithm is presented t...
MODELLING DEM DATA UNCERTAINTIES FOR MONTE CARLO SIMULATIONS OF ICE SHEET MODELS
GIS DEM/DTM Error Correlation Impact Analysis Modelling Reference Data Glaciology
2015/9/28
For realistic modelling of digital elevation model (DEM) uncertainty, information on the amount and spatial configuration is needed.However, common DEM products are often distributed with global error...
SPATIO-SEMANTIC COHERENCE IN THE INTEGRATION OF 3D CITY MODELS
3D city models data integration 3D GIS spatio-semantic coherence semantic modelling GML CityGML
2015/9/28
An increasing number of applications rely on 3D geoinformation. In addition to 3D geometry, these applications particularly require complex semantic information. In the context of spatialdata infrastr...
DEVELOPMENT AND TESTING OF GEO-PROCESSING MODELS FOR THE AUTOMATIC GENERATION OF REMEDIATION PLAN AND NAVIGATION DATA TO USE IN INDUSTRIAL DISASTER REMEDIATION
Remediation Clean-up Industrial Disaster Automatic Planning Geo-processing Models GIS Guidance Navigation Python ArcPy
2015/9/21
This paper introduces research done on the automatic preparation of remediation plans and navigation data for the precise guidance of heavy machinery in clean-up work after an industrial disaster. The...
Unified Representation of Three Dimensional City Models
3DCM Abstracted representation LoDs
2015/8/17
Three-dimensional (3D) representation and visualization of city environments are employed in an increasing number of applications
from the areas of urban planning, city marketing, tourism, facility m...
Generation of Digital Surface Models for Architectural Applications With Archimedes3d
Surveying Digital Photogrammetry Architecture
2015/7/14
Orthoimages are well suited for architectural documentation. The most challenging part of their generation is the determination of
the Digital Surface Model (DSM). There are some different techniques...
Total Recall: A Plea for Realism In Models of The Past
Cultural heritage Archaeology Vision
2015/7/14
Computer technologies make possible virtual reconstructions of ancient structures. In this paper we give a concise overview of the
techniques we have used to build a detailed 3D model of the Antonine...
Using 3-d Virtual Reality Models for Image Orientation in Mobile Computing
Close Range Motion Imagery Orientation
2015/7/14
Advances in sensor technology and computing capabilities and modalities are revolutionizing close-range image collection and
analysis for geospatial applications. These advances create the need for n...
A Methodological Proposal for Improvement of Digital Surface Models generated By Automatic Stereo Matching of Convergent Image Networks
Cultural Heritage Architecture Statistics
2015/7/14
A Digital Surface Model (DSM) generated by automatic stereo matching of convergent image networks includes a great number of
3D-points that come from diverse combinations of stereo-pairs. This points...
The Importance of Understanding Error in Lidar Digital Elevation Models
Laser Scanning Error Urban Accuracy
2015/7/9
The paper presents the results of an accuracy analysis of a number of gridded Digital Surface Models (DSMs) which have been
created from first return laser scanning (LiDAR) data. DSMs are created usi...
Integration of High Resolution Digital Elevation Models in 3d-gis-applications of The Environmental Information System of Baden-Württemberg
High resolution DEM/DTM Threedimensional
2015/7/7
This paper describes the integration of high resolution digital elevation models, currently acquired by the administration of BadenWürttemberg,
a state in Germany, in two example 3D GIS applications ...