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<!DOCTYPE html>
<html>
<head>
<title>zoro</title>
<link rel="stylesheet" href="zoro.css">
</head>
<body >
<div class="con-comp">
<div class="con-one">
<div class="the-page">
<div class="frist">
<h1 class="head"><a href="https://bookdown.org/tep/gis/introduction-to-gis.html" target="_blank">Vector</a></h1>
</div>
<div class="image">
<img class="the-king" src="task1 photos/vector.png">
</div>
<div class="second">
<P class="nbza">
Vector data is data that is represented based on raster data and can be used to perform various analyses that cannot be performed on other data.
</P>
<hr>
<p class="nbza-a"> Divided into data (point, line, polygon)</p>
<hr>
<ul class="nbza-b">
<li>polygon: <span class="span-zoro">polygon features consists of a set of connected points where the
same starting point is the end pointwhere the feature has a length and a width</span></li>
<li>line:<span class="span-zoro">line feature consists of a set of connected points where the starting
point is not the endpoint and is only of length</span> </li>
<li> piont:<span class="span-zoro">piont feature is represented by a point representing only x and y</span> </li>
</ul>
<hr>
</div>
</div>
</div>
<div class="con-two">
<div class="the-page">
<div class="frist">
<h1 class="head"><a href="https://medium.com/@kiptoamos/gis-programming-introduction-to-raster-data-type-cac502329214" target="_blank">Raster</a></h1>
</div>
<div class="image">
<img class="the-king" src="task1 photos/raster.png">
</div>
<div class="second">
<P class="nbza"> Raster is an image that is captured by a camera installed in an airplane and is known as aerial images or
is captured by satellites and is then known as satellite images, as these images consist of a group of cells in which
the slight footprint of a phenomenon is recorded in the form of numbers, where each cell differs from the other,
and also each image or cell has a spatial resolution and varies from one satellite to another.
</P>
<hr>
<p class="nbza-a"> Accuracy varies depending on the purpose of the map and scale</p>
<hr>
<ul class="nbza-b">
</ul>
</div>
</div>
</div>
<div class="con-three">
<div class="the-page">
<div class="frist">
<h1 class="head"><a href="https://www.ardusimple.com/ellipsoidal-orthometric-and-geoid-height/" target="_blank">Geoid vs Ellipsiod</a></h1>
</div>
<div class="image">
<img class="black-leg" src="task1 photos/geoid vs ellipsoid.png">
</div>
<div class="second">
<P class="nbza"> The earth has an irregular shape that cannot be determined, where we approximate the earth to the nearest
geometric shape that can be dealt with, which is the Geoid, as it is an irregular geometric shape that represents MSL,
and to deal with the earth geometrically, we must deal with a regular geometric shape, and the closest is Ellipsiod
The coordinates can be known more easily as it becomes the global reference Datem
</P>
<hr>
<p class="nbza-a"> The maximum separation between Geoid and Ellipsiod is 100 meters</p>
<hr>
<ul class="nbza-b">
<li>Earth surface: <span class="span-zoro">Represented in black</span></li>
<li>Geoid:<span class="span-zoro">Represented in red</span> </li>
<li> Ellipsiod:<span class="span-zoro">Represented in blue</span> </li>
</ul>
<hr>
</div>
</div>
</div>
<div class="con-three">
<div class="the-page">
<div class="frist">
<h1 class="head"><a href="https://www.gis.club/vb/archive/index.php/t-396.html" target="_blank">Spatial data vs Metadata</a></h1>
</div>
<div class="image">
<img class="black-leg" src="task1 photos/metadata.jpg">
</div>
<div class="second">
<ul class="nbza-b">
<li>Metadata: <span class="span-zoro">Metadata is data that describes a particular phenomenon and is
represented as text, decimal or integer numbers, checkbox,
hyperlink, attachment, and does not change with the change of location.</span>
</li>
<li>Spatial data:<span class="span-zoro">Spatial data is divided into raster and vector and is represented
by x and y coordinates that change in value as the location changes
</span> </li>
</ul>
<hr>
</div>
</div>
</div>
</body>
</html>