Many raster-based formats have roots in image formats: a common raster-based image format is bitmap (.bmp).
许多基于栅格的格式都有基本的图像格式：常见的基于栅格的图像格式是位图(. bmp)。
This is the traditional raster-based imaging method can not match. Ray tracing is the main idea to produce image in the future.
这是传统光栅化成像方式不能比拟的，光线追踪是未来成像方式的趋势。
Tagged image file format (.tiff) is another commonly used raster-based image format, which GIS specialists adapted to geographers' needs and renamed GeoTIFF.
带标记的图像文件格式 (.tiff)是另一种常用的基于栅格的图像格式，GIS专家为适应地理学者的需要将其重命名为 GeoTIFF。
This paper mainly introduced raster displacement detection system based on FPGA.
本论文主要研究基于FPGA的光栅位移检测系统。
Based on summarizing the existing algorithms of transferring vector data to raster data, an optimization algorithm is proposed.
在总结现有的矢量数据向栅格数据转换算法的基础上，提出一种面积误差最小约束下的优化算法。
Based on the image representation with polygons, a new approach to the SVG vectorization representation of raster images is proposed.
本文借助于多边形图像区域表示，提出了一种将光栅图像转换为SVG表示的矢量图形方法。
An index model of soil erosion estimation was put forward based on raster data after analyzing the main influence factors in Weifenhe watershed.
在分析土壤侵蚀形成的主要影响因子基础上，提出了基于栅格数据的流域土壤侵蚀量估算的指标模型。
Based on the ideas of base state with amendments, the temporal layer of raster is designs by four relational tables, and the structure of tables is also given.
基于基态修正思想，设计栅格时态层由四张关系表组成，并设计其表结构。
It is essential to the spatial raster data structure of GIS; in fact, all spatial analysis about raster data is based on the digital topology.
数字拓扑主要研究栅格空间中离散几何对象的拓扑性质，这些性质在GIS空间分析和栅格数据处理中非常重要。
The image plotter system, based on the laser and inkjet, can meet the requirements of higher precision using raster imaging technology.
以激光或喷墨方式为主的绘图设备主要通过光栅成像技术得以实现，并能实现对高精度的需求。
The paper proposes a method of measuring wave length of light wave by using minimum deviation angle based on raster.
本文通过光栅衍射给出了用最小偏向角测光波波长的方法。
Putting forward the change statistic method based on acreage, and counting the varieties of vector map data by using polygon intersection of vector data and changed pixel of raster data.
提出基于面积的变化统计方法，分别利用矢量数据的多边形交集和栅格数据的变化像素来统计地图矢量数据的变化。
The principles, methods and process of automated extraction of natural stream networks of watershed based on raster DEM are described.
论述了如何基于栅格dem自动提取流域自然水系的原理、方法和流程。
Based on common raster display, some key techniques for the software simulation method, such as afterglow model and meta-graph switch model, are discussed in detail.
以普通光栅显示器为基础，研究了余辉模型、图形元变换模型等软模拟的关键实现技术。
This paper is mainly about the raster database solution based on the RDBMS and OLE/COM technologies.
提出了基于关系模型和OLE/COM的栅格数据库解决方案。
In this article a method for converting raster image into vector drawing is introduced based on the application of simulated entity in distributed virtual battle field environment.
该文通过对分布式虚拟战场环境中仿真实体及其应用研究的开发应用，对光栅图像地图转化成矢量数据地图的方法进行研究。
The raster scan echo radar display platform based on interface of VGA is designed and implemented.
设计与实现了基于VGA接口的专用雷达目标显示平台。
In this paper, a method of statistical analysis for geological lineaments based on raster image is proposed by analyzing the lineaments image.
对线性体图像进行分析，提出了一种基于扫描图像的线性体统计分析方法。
In this paper, we analyzed the relations between pixel and pixel in the classified raster map. Based on the relations, all vector points and the connection information between them can be extracted.
本文通过分析遥感分类图栅格像元之间的关系，快速自动地提取矢量数据点及其连接信息，进而利用连接信息快速生成弧段，由弧段自动组建多边形并建立完整的拓扑关系。
In this paper, we analyzed the relations between pixel and pixel in the classified raster map. Based on the relations, all vector points and the connection information between them can be extracted.
本文通过分析遥感分类图栅格像元之间的关系，快速自动地提取矢量数据点及其连接信息，进而利用连接信息快速生成弧段，由弧段自动组建多边形并建立完整的拓扑关系。
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