搜索结果: 1-15 共查到“地图制图技术 Generalization”相关记录27条 . 查询时间(0.087 秒)
IMPROVING PATH QUERY PERFORMANCE IN PGROUTING USING A MAP GENERALIZATION APPROACH
pgRouting Road Networks Skeletal Model Skeleton Shortest Path Map Generalization Zones Path Computation
2018/11/8
pgRouting library provides functions to compute shortest path between any two points of a road network which is of great demand and also a topic of interest in the field of GIS, graph theory and trans...
Data Integration and Generalization for SDI in a Grid Computing Framework
GIS, Generalization Three-dimensional Model City Multiresolution
2015/12/18
So far, most spatial data infrastructures (SDIs) provide services for the generation of fixed-scale maps only. In a project funded by the German Ministry of Education and Science, the potential ...
Selection of Roads for Cartographic Generalization
Cartography Generalization Computer Vision Feature Generalization,
2015/12/16
Generalization is the task of producing multiple maps, of a different scale or purpose, from a single detailed data source. The field of generalization can be split into model generalization and carto...
The Generalization Method Research of River Network Based on Morph Structure and Catchments' Character Knowledge
Hydrology Mapping Generalization DEM/DTM GIS Pattern Parameters
2015/12/16
The generalization operation should first make decision of object importance at geographic level, which relates not only to the geometric properties of independent object but also the other context ob...
Road Data Updating Using Tools of Matching and Map Generalization
Map Generalization Updating Road Data Matching Selective Omission
2015/12/16
It is one of the important ways for GIS data updating based on map generalization. This paper analyzes the main steps for road data updating based on map generalization. As the core of this updating p...
Semantic Data Integration across Different Scales: Automatic Learning of Generalization Rules
Interoperability Integration Data Mining Generalization Matching Automation Cartography
2015/12/2
In this paper we present an approach realizing the integration of data sets of different origin and with different resolution levels. The underlying idea is to reveal semantic correspondences between ...
Animating Basic Operations for Digital map Generalization with Morphing Techniques
Cartography Generalization Visualization Morphing Animation
2015/12/2
This paper describes an animation for multi-scale representation of spatial data. More specifically, morphing technique is employed to animate the operations for the geometric transformations in digit...
Preserving Ground Plan and Facade Lines for 3D Building Generalization
3D GIS 3D City Models Visualization Buildings Generalization Adjustment
2015/12/2
As 3D city models are becoming available and attractive for consumer purposes in personal navigation systems or visualization applications, the hardware used to visualize these models changes from spe...
Progressive Representation and Generalization of Street Network Vector Data
Cartography Generalization Representation Model Data Structures Algorithms
2015/12/2
Street network vector data is represented as Regular Closed Network. The combinatorial structure of the Regular Closed Network is modelled through abstract cell complex. Two abstraction operators and ...
How the Quality of Cartographic Generalization Is Assured - the Approach with an Automatic Cartographic Generalization Chain
Cartographic Generalization Generalization Knowledge Process Control
2015/12/2
As one of the key techniques in multi-representation database, GIS, mapmaking and Digital Earth, automatic cartographic generalization has been intensively researched since decades. Current developmen...
An Automated Cartographic Generalization Process:A Pseudo-physical Model
Cartography Generalization Computer Vision Data Mining Dynamic Change GIS Digital Mapping Spatial Analysis
2015/12/2
Automating the map generalization process has traditionally been a major focus of research in cartography and GIS environment, even though a usable holistic generalization method is still lacking. The...
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...
Visualizing Schematic Maps through Generalization Based on Adaptive Regular Square Grid Model
Visualization Schematic Map Generalization Simplification Grid Model
2015/12/2
Schematization is a quick visualization way to convey graphics information. In cartography, graphic schematization is one aspect of map generalization. This paper analyzes and summarizes the multiple ...
The Evaluation of Spatial Distribution Density in Map Generalization
Cartography Generalization Computer Vision Spatial modeling Quality control
2015/12/2
Spatial distribution density is an important constraint in map generalization, which acts on a group of objects at meso level or a whole thematic class at macro level. However, the spatial distributio...
An Indirect Generalization of Contour Lines Based on DEM Generalization Using the 3D Douglas-Peucker Algorithm
Cartography GIS, Algorithm DEM/DTM Geomorphology Global Generalization
2015/11/23
In order to simplify the generalization of contour lines during the compilation of maps at smaller scales, an indirect method is put forward based on the generalization of the corresponding DEM first ...