raster data 中文意思是什麼
raster data
解釋
光柵數據-
Several data formats fit the raster model well
有些數據格式可以很好地適用於柵格模型。 -
Qgis handles all three - raster, vector, and database - a state of affairs that took considerable effort for programmers writing gis data programming libraries
Qgis處理所有三種數據柵格數據、矢量數據和數據庫，這也是編寫gis數據編程庫的程序員的重要努力方向。 -
In large dimension measurement techniques, on the two - dimensional optical microscopy work platform displacement signals collection, the introduction of raster feet to achieve large dimension measurements designed raster signal acquisition circuits, a collection of analytical studies of the key circuits, the corresponding solutions, and discussed work platform displacement signals, image data and the actual dimension ; meanwhile driving mechanism designed electrical circuit, laying the foundation for the measurement of two - dimensional work platform automatically
在超屏幕尺寸測量技術中，關於二維光學顯微工作臺位移信號採集，採用了光柵尺來實現超屏幕尺寸測量，設計了光柵信號採集電路，分析研究了採集電路中的關鍵性問題，提出相應的解決方案，並討論了工作臺位移信號、圖像數據與實際尺寸的關系;同時設計了電機驅動介面電路，為二維工作臺自動測量奠定基礎。 -
In the beginning, the working principle, testing and data processing system of pdl micro - control material test machine is introduced ; then more attention is paid to the hardware system which is composed of high precision raster linear displacement sensor, high precision force sensor, the digital displaying sets, the interface equipments and the controlling circuits etc to perform the data collection and ensure the testing precision of the whole system
論文首先介紹了pdl材料拉伸試驗機的工作原理、測試及數據處理系統；接著詳細介紹了由高精度光柵線位移傳感器和壓力傳感器、數顯裝置、介面裝置及控制電路等組成的新的硬體系統，來完成數據採集，並保證整個系統的測試精度要求。 -
Raster - based data formats tend to behave much more like images
基於柵格的數據格式更類似於圖像。 -
This summary report describes how the planning department, with the help of the consultant, star vision ltd., has capitalized on the recent advancements in computer technologies ( including aerial photography, digital mapping, raster data modelling, three - dimensional data modelling and flythrough animation ) to deliver a 3d digital model of hk, which enables the management of planning data and assessment of visual impacts in a more effective manner
規劃署在顧問星眺有限公司協助下，運用空中攝影、數碼測圖（ digitalmapping ） 、格柵數據模型（ rasterdatamodeling ） 、三維數據模型、模擬飛行（ flythroughanimation ）等先進電腦科技來開發一套香港立體模型的電腦系統，令處理規劃資料和評估景觀影響的工作達到更高的質素。本摘要簡介製作這個系統的過程。 -
Combines the color data for the source and destination bitmaps using the specified mask and raster operation
使用指定的掩碼和柵格操作混合源位圖和目標位圖的顏色數據。 -
However, storage might not be quite as important for raster data, whose spatial component likely contains fairly simple numerical data
然而，存儲可能不像柵格數據那樣重要，其空間構成可能包含相當簡單的數字數據。 -
( 3 ) the function of spatial analysis of gis is made full use of. the fundamental methods and work process with the analysis function of spatial overlap of raster data to have a hazard assessment of landslide are found out
（ 3 ）在研究中充分利用了地理信息系統的空間分析功能，摸索出了利用柵格數據的空間疊加分析功能，進行滑坡危險性評價的基本方法和工作流程。 -
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
本文系統的研究了適合於公路網gis的數據組織方法，同時，對公路網多目標最優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數據模型（矢量數據模型、柵格數據模型）及對公路網路特徵的分析，設計了公路網gis的邏輯數據模型，給出了基於矢量方法的空間數據存儲結構。 -
Then the distributed computing strategies of spatial information is discussed as a whole, the strategy together with the spatial object, spatial relationship, raster data is designed, realizes the distributed computing strategies and algorithm
在此基礎上，對空間信息在網路環境下的分散式計算策略進行了統一研究，並分別對空間對象，空間關系，柵格數據設計，實現了相應的分散式計算方案與運算演算法。 -
Employing raster data model for data processing and integration, and
在資料處理和集成中採用柵格資料模型； -
In the raster data model, the map s accuracy also depends on the map s scale
在柵格數據模型中，地圖的準確性還依賴于地圖的比例。 -
Take advantage of raster - to - vector conversion, raster editing, and raster data preparation capabilities
展示集成了地圖、衛星數據和其他形式的圖像的提案用於交流。 -
The library gives programmers a common data model covering all raster data formats and - through ogr - vector data formats
該庫為編程人員提供了通用的數據模型，包括所有柵格數據格式和矢量數據格式（通過ogr ） 。 -
Programmers must take only a few higher - level constructs into account, although most programmers regard raster data as cumbersome and memory - intensive
編程人員只須知道一些較高級別的結構，但是多數編程人員認為柵格數據較為復雜並且佔用大量的存儲。 -
Vector data require far less storage than raster data because arc node lists simplify and reduce the data required to make sense of the features contained in the map
矢量數據要求的存儲要比柵格數據少得多，因為弧節點列表簡化並減少了表示地圖中包含的特徵所需的數據。 -
The paper proposes an algorithm with high performance for raster data dynamic scheduling. experiment shows that the algorithm is very efficient in applications of three - dimension terrain visualization
摘要提出了一個通過數據緩沖區和多線程調度的演算法，實現了大范圍柵格數據的實時動態調度，提高了地形數據三維可視化表達的效率，在實踐應用中取得了很好的效果。 -
The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed
（ 4 ）將gis的空間信息分析功能應用於配網空間負荷預測（ saptialloadforecasting ， slf ）的研究：綜合利用灰色理論及遺傳規劃的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷轉移耦合法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用遺傳規劃來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。 -
In order to realize the feed business enterprises market - area building, according to the basic theory of voronoi polygon, this paper put forward a method of weighted - voronoi based on the raster format data analyzing the characteristics of weighted - voronoi polygon, expatiate the technique of weighted - voronoi polygon realization based on the raster data
為了實現飼料企業市場域的構建，基於voronoi多邊形的基本思想，本文進一步提出了基於柵格數據格式的一種weighted - voronoi多邊形的方法。通過深入分析的weighted - voronoi多邊形的特性，闡述了基於柵格數據格式的weighted - voronoi多邊形的實現方法，本文最終建立了基於gis的飼料企業市場域的構建模型和方法。
分享友人