![]() ![]() A parcel viewer app may zoom to a large scale showing the prop-erty at that address almost entirely, whereas a store locator may zoom to a smaller scale that includes multiple stores close to that address. The exact zoom level depends on the purpose of the app. Points that don’t need to be symbolized based on an attribute value are preferred but might still work if classification is Boolean, such as on/off, available/not available, or found/not found.Īfter a marker is placed, the map zooms to and centers on it adding a tiny bounce animation is nice, too. Indicating physical locations works better with points. Necessity to reveal more detailed information may indicate the need for markers. Data with few overlapping points lends itself better to using markers. The decision whether to use markers or regular point symbols should be based on the following: On mobile devices, the marker may be placed in a fixed center position of the map, allowing users to drag the map underneath instead of dragging the marker itself. Hover opens a MapTip displaying short and informative information about the marker.Click or tap should open an info pop-up with additional information about the location, such as title, description, photos, reviews, or action buttons.Markers must be interactive and support click or tap and optionally hover or drag interactions in the following ways: Alternative marker symbols can take any form or shape, such as pushpins, circles, or rectangles, and may include numbers or letters to reference content displayed in a list. This user input could be clicking a feature, performing a search, using the location finder, or selecting a way point of a route. As a convention, the upside-down, teardrop-shaped marker indicates an exact location selected by the user. Markers differ in color, shape, and size but are typically graphics. Locator apps such as hotel booking sites, store locators, or site finders may choose to display points using markers instead of simple point symbols. The location list uses markers to establish a unique relationship between the item in the list and the point on the map. Route positioning uses markers to indicate the start and end points of the route. In this sense, markers are different from point symbols because they indicate points that were selected by the user or stand out through their importance to the subject, as shown in a store locator, for instance. Markers are used to highlight a special location on the map, usually after input by the user such as clicking a search result, using the location finder, or selecting a point feature. They typically trigger MapTips, info pop-ups, or info panels. Markers are strong focus points with a high capability of being interacted with. WHYĪdding markers is one of the most important and powerful functions of a map because it helps pinpoint the location and establish a connection to reveal additional content. This location can be a place, point of interest, or any other object. A marker, sometimes also called a map pin, identifies a location in the map. ![]()
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