Addison2015
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<p><span style='font-family:"Arial",sans-serif;color:#000020'>BY USING THIS WEBSITE OR THE CONTENT THEREIN, YOU AGREE TO THE <u><a href='https://www.oakgov.com/open-data-terms'>TERMS OF USE</a></u><span style='font-family: "Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 17px;'>. </span><span style='font-family: "Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 17px;'><br /></span></span></p><p><span style='font-family:"Arial",sans-serif;color:#000020'>This MrSID file was derived from the 2015 raster dataset, which consists of 8-bit, 4-band (R, G, B, NIR) color orthoimagery. A digital orthoimage is a raster image processed from vertical aerial images in which displacement in the image due to sensor orientation and terrain relief have been removed. Orthoimagery combines the image characteristics of an image with the geometric qualities of a map. Unlike planimetric maps which depict natural and manmade features by means of lines, point symbols, texts and polygons, orthoimagery illustrates the actual images of features and are thus more easily interpreted than regular maps. The normal orientation of data in an orthoimage is by lines (rows) and samples (columns). Each line contains a series of pixels ordered from west to east with the order of the lines from north to south. Each image tile is stored in industry standard TIFF (tagged interchange file format) with an associated TIFF world file. Aerial imagery was acquired between April 12 and 15 2015 from flying heights of approximately 1400-1640 feet above ground level (AGL). Each orthoimage tile is 2500feet X 2500feet in dimension, edge-tied with the adjacent tiles (no gap and no overlap). This dataset is published in NAD_1983_HARN_StatePlane_Michigan_South_FIPS_2111_Feet_Intl_feet.</span><span style='font-family:"Arial",sans-serif'></span></p> <i><span style='font-size:9.5pt; font-family:"Verdana",sans-serif;color:#000020;mso-ansi-language:EN'> </span></i>
访问本网站或其包含的内容，即表示您同意<a href="https://www.oakgov.com/open-data-terms">使用条款</a>。 本MrSID（Multiresolution Seamless Image Database）格式文件源自2015年栅格数据集（raster dataset），该数据集包含8位、4波段（红（R）、绿（G）、蓝（B）、近红外（NIR））彩色正射影像（orthoimagery）。数字正射影像是由垂直航空影像处理得到的栅格影像，已消除因传感器姿态与地形起伏导致的影像位移。正射影像兼具影像的图像特征与地图的几何精度特性。与通过线、点符号、注记及多边形表示自然与人工地物的平面地图不同，正射影像直接呈现地物的真实影像，因此比常规地图更易于解译。 正射影像数据的常规排布采用行（lines，rows）与列（samples，columns）的形式，每一行包含一系列从西向东排列的像素，行的排布顺序为从北向南。每个影像瓦片（image tile）均采用行业标准标签图像文件格式（Tagged Interchange File Format，TIFF）存储，并附带对应的TIFF世界文件。本次航空影像采集于2015年4月12日至15日，飞行高度约为离地1400至1640英尺（AGL）。每张正射影像瓦片的尺寸为2500英尺×2500英尺，与相邻瓦片无缝拼接（无间隙、无重叠）。本数据集采用NAD_1983_HARN 密歇根州南州平面坐标系（FIPS 2111，国际英尺单位）发布。
