谈徽派建筑的保护、利用与发展     

于春普 《中国勘察设计》2008,(3):16-21

徽派建筑的保护已经取得了很大成绩,但仍然存在一些问题。笔者认为,古建筑的保护和地区的经济、社会、文化与生活的发展必须要统筹考虑,可以将徽派建筑设计的理念、技术与现在提倡的绿色建筑设计方法进行对比研究,来考虑如何发展徽派建筑。  相似文献   

徽派建筑和新徽派的探索     

单德启  李小妹 《中国勘察设计》2008,(3):30-33

传统徽派建筑非常精彩,震撼人心,有着深厚的文化内涵。现在,徽派建筑作为一种独特的建筑风格和建筑形式已走出徽州,这是一个值得思考的问题。  相似文献   

The Sequence Architecture of Volcanic Basin Fillings- An Example From Xujiaweizi Faulted Depression In Songliao Basin     

Cheng Rihui  LIU Wanzhu  SHAN Xuanlong  WANG Pujun  CHEN Shumin  QU Yongbao 《世界地质(英文版)》2001,4(2)

The basin filling geometric pattern of volcanic eruptive rocks depends on both of the eruptive locations in a basin and structural styles of fault terraces. It is divided into three types by eruptive locations and occurrences of eruptive rocks, including the pattern of eruption along fault and occurrence (PEAFO), the pattern of eruption on footwall of a fault and occurrence (PEOFO) and the pattern of eruption on hangingwall of fault and occurrence (PEOHO) in Xujiaweizi fault depression of Songliao basin, Northeast of China. Those basin filling patterns of volcanic eruptive rocks are of specific geometric characteristics controlling or affecting sedimentation, geometry of sedimentary body and sequence architecture during a sequence evolution. The study shows that the volcanic rocks developed at different stages of lowstand, transgressive and highstand can give different controls or affects on the sequence architecture.  相似文献   

基于SOA的海洋执法信息共享平台建设     

张建辉  张洁 《地理空间信息》2013,11(1):7-11

SuperMap iServer Java 6R是SuperMap GIS 6R产品体系的一部分,是基于Java EE平台和SuperMap Objects Java 6R构建的面向服务式架构(SOA)的企业级GIS产品,它为信息服务共享平台建设提供了良好的基础软件。国家海洋执法部门在长期执法实践中积累了丰富的数据资源,而且这些海量的业务数据大部分与地理空间息息相关。但是由于这些数据存在数据量大、格式多样、结构不一和存储分散等诸多问题,无法满足相关业务部门信息传输和资源共享的要求,更无法为海洋综合执法提供有效的决策分析和信息服务。针对海洋执法管理部门这一现状,提出了面向SOA架构基于SuperMap iServer开展二三维GIS一体化海洋执法信息共享平台建设的目标与原则,设计了平台结构体系,阐述了平台数据库、服务总线、业务系统及支撑体系等4个方面的建设内容,分析了平台建设所需的关键技术,归纳了平台建设的意义和作用。  相似文献   

A laser scanning-based method for fast estimation of seismic-induced building deformations     

《ISPRS Journal of Photogrammetry and Remote Sensing》2013

Monitoring damaged buildings in an area where an earthquake has occurred requires the use of techniques which provide rapid and safe measurements even in emergency conditions. In particular, remote sensing techniques like terrestrial laser scanning (TLS) can satisfy these requirements, since they produce very dense point clouds in little time and also allow an accurate geometric modeling of observed buildings. Nevertheless, strong constraints on TLS data acquisition geometry, such as acquisition distance and incidence angles, typically characterize an area in seismic emergency conditions. In order to correctly interpret the data, it is necessary to estimate errors affecting TLS measurements in these critical conditions. A reliable estimation can be achieved by means of experiments and numerical simulations aimed at quantifying a realistic noise level, with emphasis on reduction of artifacts due to data acquisition, registration and modeling. This paper proposes a data analysis strategy in which TLS-based morphological maps computed as point-to-primitive differences are created. The method can be easily used for accurate surveying in emergency conditions. In order to demonstrate the proposed method in very diverse situations, it was applied to rapidly detect deformation traces in the San Giacomo Roncole Campanile (Modena), the Asinelli tower (Bologna) and the Cantalovo Church (Verona), three buildings damaged by the Mw 5.9 Emilia Romagna 2012 earthquake (Italy).  相似文献   

A comparative analysis of some two-dimensional orderings     

DAVID J. ABEL  DAVID M. MARK 《International journal of geographical information science》2013,27(1):21-31

Abstract

Many spatial analysis algorithms for cellular representations and data structures are based on an ordering of cells or objects to transform a two-dimensional problem to a one-dimensional one. Several orderings are available and their differing properties influence the performance of the data structures and algorithms. The relative merits of five orderings (row, row prime, Hilbert, Morton and Gray code) are assessed empirically for four paradigmatic geographical data-processing tasks in spatial analysis and data management. It is concluded that the Hilbert ordering deserves further investigation.  相似文献   

Street‐based topological representations and analyses for predicting traffic flow in GIS     

B. Jiang  C. Liu 《International journal of geographical information science》2013,27(9):1119-1137

It is well received in the space syntax community that traffic flow is significantly correlated to a morphological property of streets, which are represented by axial lines, forming a so called axial map. The correlation co‐efficient (R ²) approaches 0.8 and even a higher value according to the space syntax literature. In this paper, we study the same issue using the Hong Kong street network and the Hong Kong Annual Average Daily Traffic datasets, and find surprisingly that street‐based topological representations (or street–street topologies) tend to be better representations than the axial map. In other words, vehicle flow is correlated to a morphological property of streets better than that of axial lines. Based on the finding, we suggest the street‐based topological representations as an alternative GIS representation, and the topological analyses as a new analytical means for geographic knowledge discovery.  相似文献   

Robust algorithms for polyhedral modelling of fractured rock mass structure     

《Computers and Geotechnics》2013

This paper presents robust algorithms for application in polyhedral modelling of rock mass structure based on discrete fracture networks. The algorithms improve the robustness of current polyhedral modellers to challenging or degenerate geometries and geometrical errors. These issues are inevitably encountered when the fracture network realisations incorporate large numbers of fractures, or regions of densely packed fractures are modelled, or when the number of fracture network realisations interrogated is large. Several stages in the polyhedral modelling process which are sensitive to geometrical errors are reviewed and algorithms which are robust and capable of handling topological errors in the input fracture network geometry are presented.  相似文献   

高性能集群计算系统的构建     

李圣强  李闽峰  刘桂平  王斌  吴婷  王浩 《地震》2012,32(1):144-149

高性能集群计算系统因其具有强大的运算能力、 较高的I/O性能、 高性能管理和较强的系统扩展能力而广受关注。 本文简要介绍了高性能计算的发展现状和高性能集群计算系统构成, 比较详细地描述了系统环境、 系统性能及集群管理与应用情况, 对高性能计算的新技术进行展望。 并以一个实例阐述了集群系统构建等内容。 该系统由192个计算节点、 4个I/O节点、 1个登录节点、 1个管理节点、 1个Windows集群服务节点、 1组盘阵、 1组计算与I/O网络和1组管理网络组成。 系统计算能力在2009年和2010年中国高性能计算机性能TOP100排行榜分别为第36位和第63位, 具有相当的竞争力, 能够在近几年内为地震科研提供有力支持。  相似文献   

GIS混合软件体系结构研究--以广东省水资源综合规划信息系统为例     

刘涛  张新长  杨剑 《地理信息世界》2006,4(2):17-20,24

在比较Client/Server和Browser/Server两种软件体系结构各自特点的基础上,本文探讨了将Client/Server体系结构和Browser/Server体系结构相结合而形成的GIS三层混合软件体系结构。广东省水资源综合规划信息系统(WIPIS)便是这种三层混合软件体系结构的一个典型应用。该系统基于MapObjects组件通过ArcSDE软件访问空间数据库,应用ArcIMS软件进行空间数据的发布,对于地理信息系统软件的开发和构建将是非常有益的借鉴。  相似文献