I used clip to get a smaller raster file for a smaller area.
我用夹失掉较小的光栅文件为较小的地域。
Which workflow to get polygons from a geographic area and a raster file?
工作流从一个地理区域获得多边形栅格文件？
Several popular raster file formats including bitmap (BMP), GIF, and JPEG.
逐个像素存储图像信息的方法成为光栅图形格式。
But the value and count attributes remained the same with the big raster file.
但价值和计数属性保持不变的大光栅文件。
TIFF (Tag image File format) is a raster image format that was originally produced by Adobe.
TIFF(标记图像文件格式(TagImage FileFormat))是一种最初由adobe提出的光栅图像格式。
The SOCET GXP v3.2 software release also adds automated tools for viewing and editing live video feeds, and efficient tools for converting terrain analysis results from raster to vector file format.
该SOCETGXPV3.2软件还增加了用于查看和编辑实况视频的自动化工具和用于转换地形分析结果(从栅格转为矢量文件格式)的高效工具。
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。
The merging of raster and vector image can be carried out by creating WORLD file relevant to the raster image.
通过创建与栅格图像相对应的WORLD文件，可以实现栅格图像与矢量图的融合。
Raster images can be of very huge file size, especially when the area is large.
影像档案可以很大，尤其是当影像档案详细 地覆盖广阔的面积时。
Raster images can be of very huge file size, especially when the area is large.
影像档案可以很大，尤其是当影像档案详细 地覆盖广阔的面积时。
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