vector data model造句
例句與造句
- Fuzzy geographical object modeling based on vector data model
基于矢量數(shù)據(jù)模型的模糊地理對象建模 - Key algorithm for creating topology relation of three dimension vector data model
建立三維矢量數(shù)據(jù)模型拓?fù)潢P(guān)系的關(guān)鍵算法 - The system adopts spatial data model based on the vector data model ; topology relation model uses spatial data model combined with spatial data index ; and makes use of relation database to save spatial entity data
本系統(tǒng)采用基于矢量數(shù)據(jù)模型的空間數(shù)據(jù)模型；拓?fù)潢P(guān)系模型采用空間數(shù)據(jù)模型與空間數(shù)據(jù)索引結(jié)合；采用關(guān)系數(shù)據(jù)庫存儲空間對象數(shù)據(jù)。 - This paper supplies systematic research on data organization method which is suitable for hngis , at the same time studies deeply on the optimization of transit route with many goals in highway network . ( 1 ) based on the systematic analysis on the spatial data model and the spatial data structure , through study on two kinds of commonly used gis data models : raster data model , vector data model and the characteristics of highway network , the paper plans the logistic data model of hngis , and proposed the spatial data storing structure based on vector method
本文系統(tǒng)的研究了適合于公路網(wǎng)gis的數(shù)據(jù)組織方法，同時，對公路網(wǎng)多目標(biāo)最優(yōu)出行路徑問題也給予了深入的研究： ( 1 )通過對兩種常用的gis數(shù)據(jù)模型(矢量數(shù)據(jù)模型、柵格數(shù)據(jù)模型)及對公路網(wǎng)絡(luò)特征的分析，設(shè)計了公路網(wǎng)gis的邏輯數(shù)據(jù)模型，給出了基于矢量方法的空間數(shù)據(jù)存儲結(jié)構(gòu)。 - Firstly this paper ananlyzed the way and problem of digital city in 3d visualization . then generalizing the development in 3d cis . especially in 3d spatial data model . based on the existing 3d data model , digital city is composed of piont , wire , surface > soild , we can use 3d vector data model in building 3d city model . on the other hand the paper emphasizes 3d reconstruction and 3d interactive of city building model
本文首先分析了數(shù)字城市三維可視化所面臨的問題和發(fā)展現(xiàn)狀，總結(jié)了當(dāng)前3dgis ，特別是3d空間數(shù)據(jù)模型的特點和功能，在此基礎(chǔ)上，把數(shù)字城市中幾何目標(biāo)分類為：點、線、面、體四種類別，采用了三維矢量數(shù)據(jù)模型建立三維城市模型，而且本文著重探討了城市建筑物的三維重建以及三維交互。 - It's difficult to find vector data model in a sentence. 用vector data model造句挺難的
- Spatial data is the key of gis functionality and data ' s collection , integration , analysis and representation of gis open the full process of spatial data . it compares some kinds of spatial data model of gis and points that more gis adopt vector data model as the main data model with people ' s improving requests to contents that data represent . multi - source spatial data enrich the representing ability of gis , the modules of multi - source data integration are analyzed and data integrati on in oil and gal field is studied
空間數(shù)據(jù)是gis功能的核心， gis的數(shù)據(jù)采集、集成、分析和表現(xiàn)展現(xiàn)了gis數(shù)據(jù)使用的全過程，比較gis的幾種空間數(shù)據(jù)模型，指出人們對數(shù)據(jù)所能表達(dá)的內(nèi)容的要求增高，更多的地理信息系統(tǒng)采用矢量數(shù)據(jù)模型作為其主要數(shù)據(jù)模型；多源數(shù)據(jù)豐富了gis的表現(xiàn)能力，分析多源空間數(shù)據(jù)集成的模式，研究油氣田中的數(shù)據(jù)集成。