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2 SEARCHING THE RAPIDEYE ARCHIVE To begin a search of the RapidEye archive using EyeFind, the search criteria must first be set. This can be done under the ‘Query’ tab which is visible upon opening the application (Figure 2). There, the following parameters can be defined: Basic Parameters Defining an Area of Interest (AOI) Advanced parameters settings Advanced Search Options Each of these parameter groups is described in more detail in the following sections. 2.1. BASIC PARAMETERS The Basic parameters needed for a search are described in the follow table. NAME DESCRIPTION Start Date The start date of your time of interest End Date The end date of your time of interest Cloud Cover The maximum acceptable percentage of cloud cover for a given image Black Fill The maximum acceptable percentage of black fill (non-imaged pixels) for a given tile (3A product search only) Seasonal If this box is checked, EyeFind will initiate the search for the given time window for every year, starting from the start date year till the end date year For example: Start date: 2011-01-01, and End date: 2013-02-01, will search for items from: 2011-01-01 to 2011-02-01, 2012-01-01 to 2012-02-01, and 2013-01-01 to 2013-0201 Area of Interest The geographic extent of the search query. There are several ways to define an Area of Interest (see below for details) Product Type Option are Level 3A (tiled, ortho product) or Level 1B (full image take, basic product) Table 1: Basic Search Parameters 2.2. DEFINING AN AREA OF INTEREST (AOI) There are several different ways to define an Area of Interest (AOI) for a search query. Depending on the selection of the mode, the input parameters change. 2.2.1. Political Boundaries The option "Political Boundaries" allows the user to define the AOI by countries and their subordinate administrative regions, such as states or provinces. By using the pull down list, the user can select or type the name of the country desired to use for a search query. The administrative regions are reduced to the selected country once selected. The administrative region is an optional field. EyeFind User Guide v 1.2.3 7