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diff --git a/macos/0.9.0/docsets/Mapbox.docset/Contents/Resources/Documents/for-style-authors.html b/macos/0.9.0/docsets/Mapbox.docset/Contents/Resources/Documents/for-style-authors.html new file mode 100644 index 0000000000..f4b8f15ad8 --- /dev/null +++ b/macos/0.9.0/docsets/Mapbox.docset/Contents/Resources/Documents/for-style-authors.html @@ -0,0 +1,1770 @@ +<!DOCTYPE html> +<html lang="en"> + <head> + <title>For Style Authors Reference</title> + <link rel="stylesheet" type="text/css" href="css/jazzy.css" /> + <link rel="stylesheet" type="text/css" href="css/highlight.css" /> + <meta charset="utf-8"> + <script src="js/jquery.min.js" defer></script> + <script src="js/jazzy.js" defer></script> + <link rel='shortcut icon' href='https://www.mapbox.com/img/favicon.ico' type='image/x-icon' /> + + <style type="text/css"> + .nav-group-name[data-name="For Style Authors"] > .small-heading, + .nav-group-task[data-name="For Style Authors"] { + background-color: #f5f8fc; + font-family: "Open Sans 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href="Enums/MGLHillshadeIlluminationAnchor.html">MGLHillshadeIlluminationAnchor</a> + </li> + <li class="nav-group-task" data-name="MGLIconAnchor" data-url="Enums/MGLIconAnchor.html"> + <a title="MGLIconAnchor" class="nav-group-task-link" href="Enums/MGLIconAnchor.html">MGLIconAnchor</a> + </li> + <li class="nav-group-task" data-name="MGLIconPitchAlignment" data-url="Enums/MGLIconPitchAlignment.html"> + <a title="MGLIconPitchAlignment" class="nav-group-task-link" href="Enums/MGLIconPitchAlignment.html">MGLIconPitchAlignment</a> + </li> + <li class="nav-group-task" data-name="MGLIconRotationAlignment" data-url="Enums/MGLIconRotationAlignment.html"> + <a title="MGLIconRotationAlignment" class="nav-group-task-link" href="Enums/MGLIconRotationAlignment.html">MGLIconRotationAlignment</a> + </li> + <li class="nav-group-task" data-name="MGLIconTextFit" data-url="Enums/MGLIconTextFit.html"> + <a title="MGLIconTextFit" class="nav-group-task-link" href="Enums/MGLIconTextFit.html">MGLIconTextFit</a> + </li> + <li class="nav-group-task" data-name="MGLIconTranslationAnchor" data-url="Enums/MGLIconTranslationAnchor.html"> + <a title="MGLIconTranslationAnchor" class="nav-group-task-link" href="Enums/MGLIconTranslationAnchor.html">MGLIconTranslationAnchor</a> + </li> + <li class="nav-group-task" data-name="MGLLightAnchor" data-url="Enums/MGLLightAnchor.html"> + <a title="MGLLightAnchor" class="nav-group-task-link" href="Enums/MGLLightAnchor.html">MGLLightAnchor</a> + </li> + <li class="nav-group-task" data-name="MGLLineCap" data-url="Enums/MGLLineCap.html"> + <a title="MGLLineCap" class="nav-group-task-link" href="Enums/MGLLineCap.html">MGLLineCap</a> + </li> + <li class="nav-group-task" data-name="MGLLineJoin" data-url="Enums/MGLLineJoin.html"> + <a title="MGLLineJoin" class="nav-group-task-link" href="Enums/MGLLineJoin.html">MGLLineJoin</a> + </li> + <li class="nav-group-task" data-name="MGLLineTranslationAnchor" data-url="Enums/MGLLineTranslationAnchor.html"> + <a title="MGLLineTranslationAnchor" class="nav-group-task-link" href="Enums/MGLLineTranslationAnchor.html">MGLLineTranslationAnchor</a> + </li> + <li class="nav-group-task" data-name="MGLMapDebugMaskOptions" data-url="Enums/MGLMapDebugMaskOptions.html"> + <a title="MGLMapDebugMaskOptions" class="nav-group-task-link" href="Enums/MGLMapDebugMaskOptions.html">MGLMapDebugMaskOptions</a> + </li> + <li class="nav-group-task" data-name="MGLRasterResamplingMode" data-url="Enums/MGLRasterResamplingMode.html"> + <a title="MGLRasterResamplingMode" class="nav-group-task-link" href="Enums/MGLRasterResamplingMode.html">MGLRasterResamplingMode</a> + </li> + <li class="nav-group-task" data-name="MGLResourceKind" data-url="Enums/MGLResourceKind.html"> + <a title="MGLResourceKind" class="nav-group-task-link" href="Enums/MGLResourceKind.html">MGLResourceKind</a> + </li> + <li class="nav-group-task" data-name="MGLSymbolPlacement" data-url="Enums/MGLSymbolPlacement.html"> + <a title="MGLSymbolPlacement" class="nav-group-task-link" href="Enums/MGLSymbolPlacement.html">MGLSymbolPlacement</a> + </li> + <li class="nav-group-task" data-name="MGLTextAnchor" data-url="Enums/MGLTextAnchor.html"> + <a title="MGLTextAnchor" class="nav-group-task-link" href="Enums/MGLTextAnchor.html">MGLTextAnchor</a> + </li> + <li class="nav-group-task" data-name="MGLTextJustification" data-url="Enums/MGLTextJustification.html"> + <a title="MGLTextJustification" class="nav-group-task-link" href="Enums/MGLTextJustification.html">MGLTextJustification</a> + </li> + <li class="nav-group-task" data-name="MGLTextPitchAlignment" data-url="Enums/MGLTextPitchAlignment.html"> + <a title="MGLTextPitchAlignment" class="nav-group-task-link" href="Enums/MGLTextPitchAlignment.html">MGLTextPitchAlignment</a> + </li> + <li class="nav-group-task" data-name="MGLTextRotationAlignment" data-url="Enums/MGLTextRotationAlignment.html"> + <a title="MGLTextRotationAlignment" class="nav-group-task-link" href="Enums/MGLTextRotationAlignment.html">MGLTextRotationAlignment</a> + </li> + <li class="nav-group-task" data-name="MGLTextTransform" data-url="Enums/MGLTextTransform.html"> + <a title="MGLTextTransform" class="nav-group-task-link" href="Enums/MGLTextTransform.html">MGLTextTransform</a> + </li> + <li class="nav-group-task" data-name="MGLTextTranslationAnchor" data-url="Enums/MGLTextTranslationAnchor.html"> + <a title="MGLTextTranslationAnchor" class="nav-group-task-link" href="Enums/MGLTextTranslationAnchor.html">MGLTextTranslationAnchor</a> + </li> + <li class="nav-group-task" data-name="MGLTileCoordinateSystem" data-url="Enums/MGLTileCoordinateSystem.html"> + <a title="MGLTileCoordinateSystem" class="nav-group-task-link" href="Enums/MGLTileCoordinateSystem.html">MGLTileCoordinateSystem</a> + </li> + </ul> + </li> + <li class="nav-group-name" data-name="Other Protocols"> + <a class="small-heading" href="Other Protocols.html">Other Protocols<span class="anchor-icon" /></a> + <ul class="nav-group-tasks"> + <li class="nav-group-task" data-name="MGLComputedShapeSourceDataSource" data-url="Protocols/MGLComputedShapeSourceDataSource.html"> + <a title="MGLComputedShapeSourceDataSource" class="nav-group-task-link" href="Protocols/MGLComputedShapeSourceDataSource.html">MGLComputedShapeSourceDataSource</a> + </li> + <li class="nav-group-task" data-name="MGLOfflineStorageDelegate" data-url="Protocols/MGLOfflineStorageDelegate.html"> + <a title="MGLOfflineStorageDelegate" class="nav-group-task-link" href="Protocols/MGLOfflineStorageDelegate.html">MGLOfflineStorageDelegate</a> + </li> + </ul> + </li> + <li class="nav-group-name" data-name="Other Type Definitions"> + <a class="small-heading" href="Other Type Definitions.html">Other Type Definitions<span class="anchor-icon" /></a> + <ul class="nav-group-tasks"> + <li class="nav-group-task" data-name="MGLMapSnapshotCompletionHandler" data-url="Other Type Definitions.html#/c:MGLMapSnapshotter.h@T@MGLMapSnapshotCompletionHandler"> + <a title="MGLMapSnapshotCompletionHandler" class="nav-group-task-link" href="Other Type Definitions.html#/c:MGLMapSnapshotter.h@T@MGLMapSnapshotCompletionHandler">MGLMapSnapshotCompletionHandler</a> + </li> + <li class="nav-group-task" data-name="MGLOfflinePackAdditionCompletionHandler" data-url="Other Type Definitions.html#/c:MGLOfflineStorage.h@T@MGLOfflinePackAdditionCompletionHandler"> + <a title="MGLOfflinePackAdditionCompletionHandler" class="nav-group-task-link" href="Other Type Definitions.html#/c:MGLOfflineStorage.h@T@MGLOfflinePackAdditionCompletionHandler">MGLOfflinePackAdditionCompletionHandler</a> + </li> + <li class="nav-group-task" data-name="MGLOfflinePackRemovalCompletionHandler" data-url="Other Type Definitions.html#/c:MGLOfflineStorage.h@T@MGLOfflinePackRemovalCompletionHandler"> + <a title="MGLOfflinePackRemovalCompletionHandler" class="nav-group-task-link" href="Other Type Definitions.html#/c:MGLOfflineStorage.h@T@MGLOfflinePackRemovalCompletionHandler">MGLOfflinePackRemovalCompletionHandler</a> + </li> + <li class="nav-group-task" data-name="MGLOfflinePackUserInfoKey" data-url="Other Type Definitions.html#/c:MGLOfflineStorage.h@T@MGLOfflinePackUserInfoKey"> + <a title="MGLOfflinePackUserInfoKey" class="nav-group-task-link" href="Other Type Definitions.html#/c:MGLOfflineStorage.h@T@MGLOfflinePackUserInfoKey">MGLOfflinePackUserInfoKey</a> + </li> + <li class="nav-group-task" data-name="MGLShapeSourceOption" data-url="Other Type Definitions.html#/c:MGLShapeSource.h@T@MGLShapeSourceOption"> + <a title="MGLShapeSourceOption" class="nav-group-task-link" href="Other Type Definitions.html#/c:MGLShapeSource.h@T@MGLShapeSourceOption">MGLShapeSourceOption</a> + </li> + <li class="nav-group-task" data-name="MGLTileSourceOption" data-url="Other Type Definitions.html#/c:MGLTileSource.h@T@MGLTileSourceOption"> + <a title="MGLTileSourceOption" class="nav-group-task-link" href="Other Type Definitions.html#/c:MGLTileSource.h@T@MGLTileSourceOption">MGLTileSourceOption</a> + </li> + </ul> + </li> + <li class="nav-group-name" data-name="Other Functions"> + <a class="small-heading" href="Other Functions.html">Other Functions<span class="anchor-icon" /></a> + <ul class="nav-group-tasks"> + <li class="nav-group-task" data-name="MGLCoordinateQuadFromCoordinateBounds" data-url="Other Functions.html#/c:MGLGeometry.h@F@MGLCoordinateQuadFromCoordinateBounds"> + <a title="MGLCoordinateQuadFromCoordinateBounds" class="nav-group-task-link" href="Other Functions.html#/c:MGLGeometry.h@F@MGLCoordinateQuadFromCoordinateBounds">MGLCoordinateQuadFromCoordinateBounds</a> + </li> + <li class="nav-group-task" data-name="MGLCoordinateQuadMake" data-url="Other Functions.html#/c:MGLGeometry.h@F@MGLCoordinateQuadMake"> + <a title="MGLCoordinateQuadMake" class="nav-group-task-link" href="Other Functions.html#/c:MGLGeometry.h@F@MGLCoordinateQuadMake">MGLCoordinateQuadMake</a> + </li> + <li class="nav-group-task" data-name="MGLMapPointForCoordinate" data-url="Other Functions.html#/c:@F@MGLMapPointForCoordinate"> + <a title="MGLMapPointForCoordinate" class="nav-group-task-link" href="Other Functions.html#/c:@F@MGLMapPointForCoordinate">MGLMapPointForCoordinate</a> + </li> + <li class="nav-group-task" data-name="MGLMapPointMake" data-url="Other Functions.html#/c:MGLGeometry.h@F@MGLMapPointMake"> + <a title="MGLMapPointMake" class="nav-group-task-link" href="Other Functions.html#/c:MGLGeometry.h@F@MGLMapPointMake">MGLMapPointMake</a> + </li> + <li class="nav-group-task" data-name="MGLSphericalPositionMake" data-url="Other Functions.html#/c:MGLLight.h@F@MGLSphericalPositionMake"> + <a title="MGLSphericalPositionMake" class="nav-group-task-link" href="Other Functions.html#/c:MGLLight.h@F@MGLSphericalPositionMake">MGLSphericalPositionMake</a> + </li> + <li class="nav-group-task" data-name="MGLStringFromCoordinateQuad" data-url="Other Functions.html#/c:MGLGeometry.h@F@MGLStringFromCoordinateQuad"> + <a title="MGLStringFromCoordinateQuad" class="nav-group-task-link" href="Other Functions.html#/c:MGLGeometry.h@F@MGLStringFromCoordinateQuad">MGLStringFromCoordinateQuad</a> + </li> + <li class="nav-group-task" data-name="MGLTransitionMake" data-url="Other Functions.html#/c:MGLTypes.h@F@MGLTransitionMake"> + <a title="MGLTransitionMake" class="nav-group-task-link" href="Other Functions.html#/c:MGLTypes.h@F@MGLTransitionMake">MGLTransitionMake</a> + </li> + </ul> + </li> + <li class="nav-group-name" data-name="Other Structures"> + <a class="small-heading" href="Other Structures.html">Other Structures<span class="anchor-icon" /></a> + <ul class="nav-group-tasks"> + <li class="nav-group-task" data-name="MGLCoordinateQuad" data-url="Structs/MGLCoordinateQuad.html"> + <a title="MGLCoordinateQuad" class="nav-group-task-link" href="Structs/MGLCoordinateQuad.html">MGLCoordinateQuad</a> + </li> + <li class="nav-group-task" data-name="MGLSphericalPosition" data-url="Structs/MGLSphericalPosition.html"> + <a title="MGLSphericalPosition" class="nav-group-task-link" href="Structs/MGLSphericalPosition.html">MGLSphericalPosition</a> + </li> + <li class="nav-group-task" data-name="MGLTransition" data-url="Structs/MGLTransition.html"> + <a title="MGLTransition" class="nav-group-task-link" href="Structs/MGLTransition.html">MGLTransition</a> + </li> + </ul> + </li> + </ul> + </nav> + <article class="main-content"> + + <section class="section"> + <div class="section-content"> + + <!-- + This file is generated. + Edit platform/darwin/scripts/generate-style-code.js, then run `make darwin-style-code`. +--> +<h1 id='information-for-style-authors' class='heading'>Information for Style Authors</h1> + +<p>A <em>style</em> defines a map view’s content and appearance. If you’ve authored a +style using +<a href="https://www.mapbox.com/studio/styles/">Mapbox Studio’s Styles editor</a> or as +JSON in a text editor, you can use that style in this SDK and manipulate it +afterwards in code. This document provides information you can use to ensure a +seamless transition from Mapbox Studio to your application.</p> +<h2 id='designing-for-macos' class='heading'>Designing for macOS</h2> + +<p>When designing your style, consider the context in which your application shows +the style. There are a number of considerations specific to macOS that may +not be obvious when designing your style in Mapbox Studio on the Web. A map view +is essentially a graphical user interface element, so many of same issues in +user interface design also apply when designing a map style.</p> +<h3 id='color' class='heading'>Color</h3> + +<p>Ensure sufficient contrast in your application’s user interface when your map +style is present. Standard user interface elements such as toolbars, sidebars, +and sheets often overlap the map view with a translucent, blurred background, so +make sure the contents of these elements remain legible with the map view +underneath. +If you intend your style to be used in the dark, consider the impact that Night +Shift may have on your style’s colors.</p> +<h3 id='typography-and-graphics' class='heading'>Typography and graphics</h3> + +<p>Design sprite images and choose font weights that look crisp on both +standard-resolution displays and Retina displays. This SDK supports the same +resolutions as macOS. +Standard-resolution displays are often found on external monitors. Even with +built-in screens, some of your users may use the Larger Text option in Display +Preferences, which is essentially standard resolution, to make text easier to +read.</p> + +<p>Icon and text labels should be legible regardless of the map’s orientation. +By default, this SDK makes it easy for your users to rotate or tilt the map +using multitouch trackpad gestures or keyboard shortcuts. +If you do not intend your design to accommodate rotation and tilting, disable +these gestures using the <code><a href="Classes/MGLMapView.html#/c:objc(cs)MGLMapView(py)rotateEnabled">MGLMapView.rotateEnabled</a></code> and +<code><a href="Classes/MGLMapView.html#/c:objc(cs)MGLMapView(py)pitchEnabled">MGLMapView.pitchEnabled</a></code> properties, respectively, or the corresponding +inspectables in Interface Builder.</p> +<h3 id='interactivity' class='heading'>Interactivity</h3> + +<p>Pay attention to whether elements of your style appear to be interactive. +An icon with a shadow or shading effect may appear to be clickable. +You can make an icon or text label interactive by installing a gesture +recognizer and performing feature querying (e.g., +<code><a href="Classes/MGLMapView.html#/c:objc(cs)MGLMapView(im)visibleFeaturesAtPoint:">-[MGLMapView visibleFeaturesAtPoint:]</a></code>) to get details about the selected +feature. +You can install cursor or tooltip tracking rectangles to indicate interactive +features as an alternative to prominent hover effects.</p> + +<p>Make sure your users can easily distinguish any interactive elements from the +surrounding map, such as pins or a route line. If your application supports +printing, consider using the +<a href="#manipulating-the-style-at-runtime">runtime styling API</a> to optimize your style +for ink economy before printing the map view.</p> + +<p>For more information about user interface design, consult Apple’s +<a href="https://developer.apple.com/library/content/documentation/UserExperience/Conceptual/OSXHIGuidelines/"><em>macOS Human Interface Guidelines</em></a>.</p> +<h2 id='applying-your-style' class='heading'>Applying your style</h2> + +<p>You set an <code><a href="Classes/MGLMapView.html">MGLMapView</a></code> object’s style either in code, by setting the +<code><a href="Classes/MGLMapView.html#/c:objc(cs)MGLMapView(py)styleURL">MGLMapView.styleURL</a></code> property, or in Interface Builder, by setting the “Style +URL” inspectable. The URL must point to a local or remote style JSON file. The +style JSON file format is defined by the +<a href="https://www.mapbox.com/mapbox-gl-style-spec/">Mapbox Style Specification</a>. This +SDK supports the functionality defined by version 8 of the specification unless +otherwise noted in the +<a href="https://www.mapbox.com/mapbox-gl-style-spec/">style specification documentation</a>.</p> +<h2 id='manipulating-the-style-at-runtime' class='heading'>Manipulating the style at runtime</h2> + +<p>The <em>runtime styling API</em> enables you to modify every aspect of a style +dynamically as a user interacts with your application. The style itself is +represented at runtime by an <code><a href="Classes/MGLStyle.html">MGLStyle</a></code> object, which provides access to various +<code><a href="Classes/MGLSource.html">MGLSource</a></code> and <code><a href="Classes/MGLStyleLayer.html">MGLStyleLayer</a></code> objects that represent content sources and style +layers, respectively.</p> + +<p>The names of runtime styling classes and properties on macOS are generally +consistent with the style specification and Mapbox Studio’s Styles editor. Any +exceptions are listed in this document.</p> + +<p>To avoid conflicts with Objective-C keywords or Cocoa terminology, this SDK uses +the following terms for concepts defined in the style specification:</p> + +<table><thead> +<tr> +<th>In the style specification</th> +<th>In the SDK</th> +</tr> +</thead><tbody> +<tr> +<td>bounds</td> +<td>coordinate bounds</td> +</tr> +<tr> +<td>filter</td> +<td>predicate</td> +</tr> +<tr> +<td>function type</td> +<td>interpolation mode</td> +</tr> +<tr> +<td>id</td> +<td>identifier</td> +</tr> +<tr> +<td>image</td> +<td>style image</td> +</tr> +<tr> +<td>layer</td> +<td>style layer</td> +</tr> +<tr> +<td>property</td> +<td>attribute</td> +</tr> +<tr> +<td>SDF icon</td> +<td>template image</td> +</tr> +<tr> +<td>source</td> +<td>content source</td> +</tr> +</tbody></table> +<h2 id='specifying-the-map-s-content' class='heading'>Specifying the map’s content</h2> + +<p>Each source defined by a style JSON file is represented at runtime by a content +source object that you can use to initialize new style layers. The content +source object is a member of one of the following subclasses of <code><a href="Classes/MGLSource.html">MGLSource</a></code>:</p> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In the SDK</th> +</tr> +</thead><tbody> +<tr> +<td><code>vector</code></td> +<td><code><a href="Classes/MGLVectorTileSource.html">MGLVectorTileSource</a></code></td> +</tr> +<tr> +<td><code>raster</code></td> +<td><code><a href="Classes/MGLRasterTileSource.html">MGLRasterTileSource</a></code></td> +</tr> +<tr> +<td><code>raster-dem</code></td> +<td><code><a href="Content Sources.html#/c:objc(cs)MGLRasterDEMSource">MGLRasterDEMSource</a></code></td> +</tr> +<tr> +<td><code>geojson</code></td> +<td><code><a href="Classes/MGLShapeSource.html">MGLShapeSource</a></code></td> +</tr> +<tr> +<td><code>image</code></td> +<td><code><a href="Classes/MGLImageSource.html">MGLImageSource</a></code></td> +</tr> +</tbody></table> + +<p><code>canvas</code> and <code>video</code> sources are not supported.</p> +<h3 id='tile-sources' class='heading'>Tile sources</h3> + +<p>Raster and vector tile sources may be defined in TileJSON configuration files. +This SDK supports the properties defined in the style specification, which are a +subset of the keys defined in version 2.1.0 of the +<a href="https://github.com/mapbox/tilejson-spec/tree/master/2.1.0">TileJSON</a> +specification. As an alternative to authoring a custom TileJSON file, you may +supply various tile source options when creating a raster or vector tile source. +These options are detailed in the <code><a href="Other Type Definitions.html#/c:MGLTileSource.h@T@MGLTileSourceOption">MGLTileSourceOption</a></code> documentation:</p> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In TileJSON</th> +<th>In the SDK</th> +</tr> +</thead><tbody> +<tr> +<td><code>url</code></td> +<td>—</td> +<td><code>configurationURL</code> parameter in <code>-[MGLTileSource initWithIdentifier:configurationURL:]</code></td> +</tr> +<tr> +<td><code>tiles</code></td> +<td><code>tiles</code></td> +<td><code>tileURLTemplates</code> parameter in <code>-[MGLTileSource initWithIdentifier:tileURLTemplates:options:]</code></td> +</tr> +<tr> +<td><code>minzoom</code></td> +<td><code>minzoom</code></td> +<td><code><a href="Other Constants.html#/c:@MGLTileSourceOptionMinimumZoomLevel">MGLTileSourceOptionMinimumZoomLevel</a></code></td> +</tr> +<tr> +<td><code>maxzoom</code></td> +<td><code>maxzoom</code></td> +<td><code><a href="Other Constants.html#/c:@MGLTileSourceOptionMaximumZoomLevel">MGLTileSourceOptionMaximumZoomLevel</a></code></td> +</tr> +<tr> +<td><code>bounds</code></td> +<td><code>bounds</code></td> +<td><code><a href="Other Constants.html#/c:@MGLTileSourceOptionCoordinateBounds">MGLTileSourceOptionCoordinateBounds</a></code></td> +</tr> +<tr> +<td><code>tileSize</code></td> +<td>—</td> +<td><code><a href="Other Constants.html#/c:@MGLTileSourceOptionTileSize">MGLTileSourceOptionTileSize</a></code></td> +</tr> +<tr> +<td><code>attribution</code></td> +<td><code>attribution</code></td> +<td><code><a href="Other Constants.html#/c:@MGLTileSourceOptionAttributionHTMLString">MGLTileSourceOptionAttributionHTMLString</a></code> (but consider specifying <code><a href="Other Constants.html#/c:@MGLTileSourceOptionAttributionInfos">MGLTileSourceOptionAttributionInfos</a></code> instead for improved security)</td> +</tr> +<tr> +<td><code>scheme</code></td> +<td><code>scheme</code></td> +<td><code><a href="Other Constants.html#/c:@MGLTileSourceOptionTileCoordinateSystem">MGLTileSourceOptionTileCoordinateSystem</a></code></td> +</tr> +<tr> +<td><code>encoding</code></td> +<td>–</td> +<td><code><a href="Other Constants.html#/c:@MGLTileSourceOptionDEMEncoding">MGLTileSourceOptionDEMEncoding</a></code></td> +</tr> +</tbody></table> +<h3 id='shape-sources' class='heading'>Shape sources</h3> + +<p>Shape sources also accept various options. These options are detailed in the +<code><a href="Other Type Definitions.html#/c:MGLShapeSource.h@T@MGLShapeSourceOption">MGLShapeSourceOption</a></code> documentation:</p> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In the SDK</th> +</tr> +</thead><tbody> +<tr> +<td><code>data</code></td> +<td><code>url</code> parameter in <code><a href="Classes/MGLShapeSource.html#/c:objc(cs)MGLShapeSource(im)initWithIdentifier:URL:options:">-[MGLShapeSource initWithIdentifier:URL:options:]</a></code></td> +</tr> +<tr> +<td><code>maxzoom</code></td> +<td><code><a href="Other Constants.html#/c:@MGLShapeSourceOptionMaximumZoomLevel">MGLShapeSourceOptionMaximumZoomLevel</a></code></td> +</tr> +<tr> +<td><code>buffer</code></td> +<td><code><a href="Other Constants.html#/c:@MGLShapeSourceOptionBuffer">MGLShapeSourceOptionBuffer</a></code></td> +</tr> +<tr> +<td><code>tolerance</code></td> +<td><code><a href="Other Constants.html#/c:@MGLShapeSourceOptionSimplificationTolerance">MGLShapeSourceOptionSimplificationTolerance</a></code></td> +</tr> +<tr> +<td><code>cluster</code></td> +<td><code><a href="Other Constants.html#/c:@MGLShapeSourceOptionClustered">MGLShapeSourceOptionClustered</a></code></td> +</tr> +<tr> +<td><code>clusterRadius</code></td> +<td><code><a href="Other Constants.html#/c:@MGLShapeSourceOptionClusterRadius">MGLShapeSourceOptionClusterRadius</a></code></td> +</tr> +<tr> +<td><code>clusterMaxZoom</code></td> +<td><code><a href="Other Constants.html#/c:@MGLShapeSourceOptionMaximumZoomLevelForClustering">MGLShapeSourceOptionMaximumZoomLevelForClustering</a></code></td> +</tr> +</tbody></table> + +<p>To create a shape source from local GeoJSON data, first +<a href="working-with-geojson-data.html#converting-geojson-data-into-shape-objects">convert the GeoJSON data into a shape</a>, +then use the <code><a href="Classes/MGLShapeSource.html#/c:objc(cs)MGLShapeSource(im)initWithIdentifier:shape:options:">-[MGLShapeSource initWithIdentifier:shape:options:]</a></code> method.</p> +<h3 id='image-sources' class='heading'>Image sources</h3> + +<p>Image sources accept a non-axis aligned quadrilateral as their geographic coordinates. +These coordinates, in <code><a href="Structs/MGLCoordinateQuad.html">MGLCoordinateQuad</a></code>, are described in counterclockwise order, +in contrast to the clockwise order defined in the style specification. </p> +<h2 id='configuring-the-map-content-s-appearance' class='heading'>Configuring the map content’s appearance</h2> + +<p>Each layer defined by the style JSON file is represented at runtime by a style +layer object, which you can use to refine the map’s appearance. The style layer +object is a member of one of the following subclasses of <code><a href="Classes/MGLStyleLayer.html">MGLStyleLayer</a></code>:</p> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In the SDK</th> +</tr> +</thead><tbody> +<tr> +<td><code>background</code></td> +<td><code><a href="Classes/MGLBackgroundStyleLayer.html">MGLBackgroundStyleLayer</a></code></td> +</tr> +<tr> +<td><code>circle</code></td> +<td><code><a href="Classes/MGLCircleStyleLayer.html">MGLCircleStyleLayer</a></code></td> +</tr> +<tr> +<td><code>fill</code></td> +<td><code><a href="Classes/MGLFillStyleLayer.html">MGLFillStyleLayer</a></code></td> +</tr> +<tr> +<td><code>fill-extrusion</code></td> +<td><code><a href="Classes/MGLFillExtrusionStyleLayer.html">MGLFillExtrusionStyleLayer</a></code></td> +</tr> +<tr> +<td><code>heatmap</code></td> +<td><code><a href="Classes/MGLHeatmapStyleLayer.html">MGLHeatmapStyleLayer</a></code></td> +</tr> +<tr> +<td><code>hillshade</code></td> +<td><code><a href="Classes/MGLHillshadeStyleLayer.html">MGLHillshadeStyleLayer</a></code></td> +</tr> +<tr> +<td><code>line</code></td> +<td><code><a href="Classes/MGLLineStyleLayer.html">MGLLineStyleLayer</a></code></td> +</tr> +<tr> +<td><code>raster</code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html">MGLRasterStyleLayer</a></code></td> +</tr> +<tr> +<td><code>symbol</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html">MGLSymbolStyleLayer</a></code></td> +</tr> +</tbody></table> + +<p>You configure layout and paint attributes by setting properties on these style +layer objects. The property names generally correspond to the style JSON +properties, except for the use of camelCase instead of kebab-case. Properties +whose names differ from the style specification are listed below:</p> +<h3 id='circle-style-layers' class='heading'>Circle style layers</h3> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In Objective-C</th> +<th>In Swift</th> +</tr> +</thead><tbody> +<tr> +<td><code>circle-pitch-scale</code></td> +<td><code><a href="Classes/MGLCircleStyleLayer.html#/c:objc(cs)MGLCircleStyleLayer(py)circleScaleAlignment">MGLCircleStyleLayer.circleScaleAlignment</a></code></td> +<td><code><a href="Classes/MGLCircleStyleLayer.html#/c:objc(cs)MGLCircleStyleLayer(py)circleScaleAlignment">MGLCircleStyleLayer.circleScaleAlignment</a></code></td> +</tr> +<tr> +<td><code>circle-translate</code></td> +<td><code><a href="Classes/MGLCircleStyleLayer.html#/c:objc(cs)MGLCircleStyleLayer(py)circleTranslation">MGLCircleStyleLayer.circleTranslation</a></code></td> +<td><code><a href="Classes/MGLCircleStyleLayer.html#/c:objc(cs)MGLCircleStyleLayer(py)circleTranslation">MGLCircleStyleLayer.circleTranslation</a></code></td> +</tr> +<tr> +<td><code>circle-translate-anchor</code></td> +<td><code><a href="Classes/MGLCircleStyleLayer.html#/c:objc(cs)MGLCircleStyleLayer(py)circleTranslationAnchor">MGLCircleStyleLayer.circleTranslationAnchor</a></code></td> +<td><code><a href="Classes/MGLCircleStyleLayer.html#/c:objc(cs)MGLCircleStyleLayer(py)circleTranslationAnchor">MGLCircleStyleLayer.circleTranslationAnchor</a></code></td> +</tr> +</tbody></table> +<h3 id='fill-style-layers' class='heading'>Fill style layers</h3> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In Objective-C</th> +<th>In Swift</th> +</tr> +</thead><tbody> +<tr> +<td><code>fill-antialias</code></td> +<td><code><a href="Classes/MGLFillStyleLayer.html#/c:objc(cs)MGLFillStyleLayer(py)fillAntialiased">MGLFillStyleLayer.fillAntialiased</a></code></td> +<td><code>MGLFillStyleLayer.isFillAntialiased</code></td> +</tr> +<tr> +<td><code>fill-translate</code></td> +<td><code><a href="Classes/MGLFillStyleLayer.html#/c:objc(cs)MGLFillStyleLayer(py)fillTranslation">MGLFillStyleLayer.fillTranslation</a></code></td> +<td><code><a href="Classes/MGLFillStyleLayer.html#/c:objc(cs)MGLFillStyleLayer(py)fillTranslation">MGLFillStyleLayer.fillTranslation</a></code></td> +</tr> +<tr> +<td><code>fill-translate-anchor</code></td> +<td><code><a href="Classes/MGLFillStyleLayer.html#/c:objc(cs)MGLFillStyleLayer(py)fillTranslationAnchor">MGLFillStyleLayer.fillTranslationAnchor</a></code></td> +<td><code><a href="Classes/MGLFillStyleLayer.html#/c:objc(cs)MGLFillStyleLayer(py)fillTranslationAnchor">MGLFillStyleLayer.fillTranslationAnchor</a></code></td> +</tr> +</tbody></table> +<h3 id='fill-extrusion-style-layers' class='heading'>Fill extrusion style layers</h3> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In Objective-C</th> +<th>In Swift</th> +</tr> +</thead><tbody> +<tr> +<td><code>fill-extrusion-translate</code></td> +<td><code><a href="Classes/MGLFillExtrusionStyleLayer.html#/c:objc(cs)MGLFillExtrusionStyleLayer(py)fillExtrusionTranslation">MGLFillExtrusionStyleLayer.fillExtrusionTranslation</a></code></td> +<td><code><a href="Classes/MGLFillExtrusionStyleLayer.html#/c:objc(cs)MGLFillExtrusionStyleLayer(py)fillExtrusionTranslation">MGLFillExtrusionStyleLayer.fillExtrusionTranslation</a></code></td> +</tr> +<tr> +<td><code>fill-extrusion-translate-anchor</code></td> +<td><code><a href="Classes/MGLFillExtrusionStyleLayer.html#/c:objc(cs)MGLFillExtrusionStyleLayer(py)fillExtrusionTranslationAnchor">MGLFillExtrusionStyleLayer.fillExtrusionTranslationAnchor</a></code></td> +<td><code><a href="Classes/MGLFillExtrusionStyleLayer.html#/c:objc(cs)MGLFillExtrusionStyleLayer(py)fillExtrusionTranslationAnchor">MGLFillExtrusionStyleLayer.fillExtrusionTranslationAnchor</a></code></td> +</tr> +</tbody></table> +<h3 id='line-style-layers' class='heading'>Line style layers</h3> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In Objective-C</th> +<th>In Swift</th> +</tr> +</thead><tbody> +<tr> +<td><code>line-dasharray</code></td> +<td><code><a href="Classes/MGLLineStyleLayer.html#/c:objc(cs)MGLLineStyleLayer(py)lineDashPattern">MGLLineStyleLayer.lineDashPattern</a></code></td> +<td><code><a href="Classes/MGLLineStyleLayer.html#/c:objc(cs)MGLLineStyleLayer(py)lineDashPattern">MGLLineStyleLayer.lineDashPattern</a></code></td> +</tr> +<tr> +<td><code>line-translate</code></td> +<td><code><a href="Classes/MGLLineStyleLayer.html#/c:objc(cs)MGLLineStyleLayer(py)lineTranslation">MGLLineStyleLayer.lineTranslation</a></code></td> +<td><code><a href="Classes/MGLLineStyleLayer.html#/c:objc(cs)MGLLineStyleLayer(py)lineTranslation">MGLLineStyleLayer.lineTranslation</a></code></td> +</tr> +<tr> +<td><code>line-translate-anchor</code></td> +<td><code><a href="Classes/MGLLineStyleLayer.html#/c:objc(cs)MGLLineStyleLayer(py)lineTranslationAnchor">MGLLineStyleLayer.lineTranslationAnchor</a></code></td> +<td><code><a href="Classes/MGLLineStyleLayer.html#/c:objc(cs)MGLLineStyleLayer(py)lineTranslationAnchor">MGLLineStyleLayer.lineTranslationAnchor</a></code></td> +</tr> +</tbody></table> +<h3 id='raster-style-layers' class='heading'>Raster style layers</h3> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In Objective-C</th> +<th>In Swift</th> +</tr> +</thead><tbody> +<tr> +<td><code>raster-brightness-max</code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)maximumRasterBrightness">MGLRasterStyleLayer.maximumRasterBrightness</a></code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)maximumRasterBrightness">MGLRasterStyleLayer.maximumRasterBrightness</a></code></td> +</tr> +<tr> +<td><code>raster-brightness-min</code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)minimumRasterBrightness">MGLRasterStyleLayer.minimumRasterBrightness</a></code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)minimumRasterBrightness">MGLRasterStyleLayer.minimumRasterBrightness</a></code></td> +</tr> +<tr> +<td><code>raster-hue-rotate</code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)rasterHueRotation">MGLRasterStyleLayer.rasterHueRotation</a></code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)rasterHueRotation">MGLRasterStyleLayer.rasterHueRotation</a></code></td> +</tr> +<tr> +<td><code>raster-resampling</code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)rasterResamplingMode">MGLRasterStyleLayer.rasterResamplingMode</a></code></td> +<td><code><a href="Classes/MGLRasterStyleLayer.html#/c:objc(cs)MGLRasterStyleLayer(py)rasterResamplingMode">MGLRasterStyleLayer.rasterResamplingMode</a></code></td> +</tr> +</tbody></table> +<h3 id='symbol-style-layers' class='heading'>Symbol style layers</h3> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In Objective-C</th> +<th>In Swift</th> +</tr> +</thead><tbody> +<tr> +<td><code>icon-allow-overlap</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconAllowsOverlap">MGLSymbolStyleLayer.iconAllowsOverlap</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconAllowsOverlap">MGLSymbolStyleLayer.iconAllowsOverlap</a></code></td> +</tr> +<tr> +<td><code>icon-ignore-placement</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconIgnoresPlacement">MGLSymbolStyleLayer.iconIgnoresPlacement</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconIgnoresPlacement">MGLSymbolStyleLayer.iconIgnoresPlacement</a></code></td> +</tr> +<tr> +<td><code>icon-image</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconImageName">MGLSymbolStyleLayer.iconImageName</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconImageName">MGLSymbolStyleLayer.iconImageName</a></code></td> +</tr> +<tr> +<td><code>icon-optional</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconOptional">MGLSymbolStyleLayer.iconOptional</a></code></td> +<td><code>MGLSymbolStyleLayer.isIconOptional</code></td> +</tr> +<tr> +<td><code>icon-rotate</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconRotation">MGLSymbolStyleLayer.iconRotation</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconRotation">MGLSymbolStyleLayer.iconRotation</a></code></td> +</tr> +<tr> +<td><code>icon-size</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconScale">MGLSymbolStyleLayer.iconScale</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconScale">MGLSymbolStyleLayer.iconScale</a></code></td> +</tr> +<tr> +<td><code>icon-keep-upright</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)keepsIconUpright">MGLSymbolStyleLayer.keepsIconUpright</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)keepsIconUpright">MGLSymbolStyleLayer.keepsIconUpright</a></code></td> +</tr> +<tr> +<td><code>text-keep-upright</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)keepsTextUpright">MGLSymbolStyleLayer.keepsTextUpright</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)keepsTextUpright">MGLSymbolStyleLayer.keepsTextUpright</a></code></td> +</tr> +<tr> +<td><code>text-max-angle</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)maximumTextAngle">MGLSymbolStyleLayer.maximumTextAngle</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)maximumTextAngle">MGLSymbolStyleLayer.maximumTextAngle</a></code></td> +</tr> +<tr> +<td><code>text-max-width</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)maximumTextWidth">MGLSymbolStyleLayer.maximumTextWidth</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)maximumTextWidth">MGLSymbolStyleLayer.maximumTextWidth</a></code></td> +</tr> +<tr> +<td><code>symbol-avoid-edges</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)symbolAvoidsEdges">MGLSymbolStyleLayer.symbolAvoidsEdges</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)symbolAvoidsEdges">MGLSymbolStyleLayer.symbolAvoidsEdges</a></code></td> +</tr> +<tr> +<td><code>text-field</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)text">MGLSymbolStyleLayer.text</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)text">MGLSymbolStyleLayer.text</a></code></td> +</tr> +<tr> +<td><code>text-allow-overlap</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textAllowsOverlap">MGLSymbolStyleLayer.textAllowsOverlap</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textAllowsOverlap">MGLSymbolStyleLayer.textAllowsOverlap</a></code></td> +</tr> +<tr> +<td><code>text-font</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textFontNames">MGLSymbolStyleLayer.textFontNames</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textFontNames">MGLSymbolStyleLayer.textFontNames</a></code></td> +</tr> +<tr> +<td><code>text-size</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textFontSize">MGLSymbolStyleLayer.textFontSize</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textFontSize">MGLSymbolStyleLayer.textFontSize</a></code></td> +</tr> +<tr> +<td><code>text-ignore-placement</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textIgnoresPlacement">MGLSymbolStyleLayer.textIgnoresPlacement</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textIgnoresPlacement">MGLSymbolStyleLayer.textIgnoresPlacement</a></code></td> +</tr> +<tr> +<td><code>text-justify</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textJustification">MGLSymbolStyleLayer.textJustification</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textJustification">MGLSymbolStyleLayer.textJustification</a></code></td> +</tr> +<tr> +<td><code>text-optional</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textOptional">MGLSymbolStyleLayer.textOptional</a></code></td> +<td><code>MGLSymbolStyleLayer.isTextOptional</code></td> +</tr> +<tr> +<td><code>text-rotate</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textRotation">MGLSymbolStyleLayer.textRotation</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textRotation">MGLSymbolStyleLayer.textRotation</a></code></td> +</tr> +<tr> +<td><code>icon-translate</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconTranslation">MGLSymbolStyleLayer.iconTranslation</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconTranslation">MGLSymbolStyleLayer.iconTranslation</a></code></td> +</tr> +<tr> +<td><code>icon-translate-anchor</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconTranslationAnchor">MGLSymbolStyleLayer.iconTranslationAnchor</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)iconTranslationAnchor">MGLSymbolStyleLayer.iconTranslationAnchor</a></code></td> +</tr> +<tr> +<td><code>text-translate</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textTranslation">MGLSymbolStyleLayer.textTranslation</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textTranslation">MGLSymbolStyleLayer.textTranslation</a></code></td> +</tr> +<tr> +<td><code>text-translate-anchor</code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textTranslationAnchor">MGLSymbolStyleLayer.textTranslationAnchor</a></code></td> +<td><code><a href="Classes/MGLSymbolStyleLayer.html#/c:objc(cs)MGLSymbolStyleLayer(py)textTranslationAnchor">MGLSymbolStyleLayer.textTranslationAnchor</a></code></td> +</tr> +</tbody></table> +<h2 id='setting-attribute-values' class='heading'>Setting attribute values</h2> + +<p>Each property representing a layout or paint attribute is set to an +<code>NSExpression</code> object. <code>NSExpression</code> objects play the same role as +<a href="https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions">expressions in the Mapbox Style Specification</a>, +but you create the former using a very different syntax. <code>NSExpression</code>’s format +string syntax is reminiscent of a spreadsheet formula or an expression in a +database query. See the +“<a href="predicates-and-expressions.html">Predicates and Expressions</a>” guide for an +overview of the expression support in this SDK. This SDK no longer supports +style functions; use expressions instead.</p> +<h3 id='constant-values-in-expressions' class='heading'>Constant values in expressions</h3> + +<p>In contrast to the JSON type that the style specification defines for each +layout or paint property, the style value object often contains a more specific +Foundation or Cocoa type. General rules for attribute types are listed below. +Pay close attention to the SDK documentation for the attribute you want to get +or set.</p> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In Objective-C</th> +<th>In Swift</th> +</tr> +</thead><tbody> +<tr> +<td>Color</td> +<td><code>NSColor</code></td> +<td><code>NSColor</code></td> +</tr> +<tr> +<td>Enum</td> +<td><code>NSString</code></td> +<td><code>String</code></td> +</tr> +<tr> +<td>String</td> +<td><code>NSString</code></td> +<td><code>String</code></td> +</tr> +<tr> +<td>Boolean</td> +<td><code>NSNumber.boolValue</code></td> +<td><code>NSNumber.boolValue</code></td> +</tr> +<tr> +<td>Number</td> +<td><code>NSNumber.floatValue</code></td> +<td><code>NSNumber.floatValue</code></td> +</tr> +<tr> +<td>Array (<code>-dasharray</code>)</td> +<td><code>NSArray<NSNumber></code></td> +<td><code>[Float]</code></td> +</tr> +<tr> +<td>Array (<code>-font</code>)</td> +<td><code>NSArray<NSString></code></td> +<td><code>[String]</code></td> +</tr> +<tr> +<td>Array (<code>-offset</code>, <code>-translate</code>)</td> +<td><code>NSValue</code> containing <code>CGVector</code></td> +<td><code>NSValue</code> containing <code>CGVector</code></td> +</tr> +<tr> +<td>Array (<code>-padding</code>)</td> +<td><code>NSValue.edgeInsetsValue</code></td> +<td><code>NSValue.edgeInsetsValue</code></td> +</tr> +</tbody></table> + +<p>For padding attributes, note that the arguments to +<code>NSEdgeInsetsMake()</code> in Objective-C and <code>EdgeInsets(top:left:bottom:right:)</code> in +Swift +are specified in counterclockwise order, in contrast to the clockwise order +defined by the style specification.</p> + +<p>Additionally, on macOS, a screen coordinate of (0, 0) is located at the +lower-left corner of the screen. Therefore, a positive <code>CGVector.dy</code> means an +offset or translation upward, while a negative <code>CGVector.dy</code> means an offset or +translation downward. This is the reverse of how <code>CGVector</code> is interpreted on +iOS.</p> +<h3 id='expression-operators' class='heading'>Expression operators</h3> + +<p>Many expression operators defined in the style specification have corresponding +symbols to be used with the <code>+[NSExpression expressionWithFormat:]</code>, +<code>+[NSExpression expressionForFunction:arguments:]</code>, or +<code>+[NSExpression expressionForFunction:selectorName:arguments:]</code> method:</p> + +<table><thead> +<tr> +<th>In style specification</th> +<th>Method, function, or predicate type</th> +<th>Format string syntax</th> +</tr> +</thead><tbody> +<tr> +<td><code>array</code></td> +<td></td> +<td></td> +</tr> +<tr> +<td><code>boolean</code></td> +<td></td> +<td></td> +</tr> +<tr> +<td><code>collator</code></td> +<td><code>NSComparisonPredicateOptions</code></td> +<td><code>'Québec' =[cd] 'QUEBEC'</code></td> +</tr> +<tr> +<td><code>literal</code></td> +<td><code>+[NSExpression expressionForConstantValue:]</code></td> +<td><code>%@</code> representing <code>NSArray</code> or <code>NSDictionary</code></td> +</tr> +<tr> +<td><code>number</code></td> +<td></td> +<td></td> +</tr> +<tr> +<td><code>string</code></td> +<td></td> +<td></td> +</tr> +<tr> +<td><code>to-boolean</code></td> +<td><code>boolValue</code></td> +<td></td> +</tr> +<tr> +<td><code>to-color</code></td> +<td></td> +<td><code>CAST(var, 'NSColor')</code></td> +</tr> +<tr> +<td><code>to-number</code></td> +<td><code>mgl_numberWithFallbackValues:</code></td> +<td><code>CAST(zipCode, 'NSNumber')</code></td> +</tr> +<tr> +<td><code>to-string</code></td> +<td><code>stringValue</code></td> +<td><code>CAST(ele, 'NSString')</code></td> +</tr> +<tr> +<td><code>typeof</code></td> +<td></td> +<td></td> +</tr> +<tr> +<td><code>geometry-type</code></td> +<td><code>NSExpression.geometryTypeVariableExpression</code></td> +<td><code>$geometryType</code></td> +</tr> +<tr> +<td><code>id</code></td> +<td><code>NSExpression.featureIdentifierVariableExpression</code></td> +<td><code>$featureIdentifier</code></td> +</tr> +<tr> +<td><code>properties</code></td> +<td><code>NSExpression.featureAttributesVariableExpression</code></td> +<td><code>$featureAttributes</code></td> +</tr> +<tr> +<td><code>at</code></td> +<td><code>objectFrom:withIndex:</code></td> +<td><code>array[n]</code></td> +</tr> +<tr> +<td><code>get</code></td> +<td><code>+[NSExpression expressionForKeyPath:]</code></td> +<td>Key path</td> +</tr> +<tr> +<td><code>has</code></td> +<td><code>mgl_does:have:</code></td> +<td><code>mgl_does:have:(self, 'key')</code></td> +</tr> +<tr> +<td><code>length</code></td> +<td><code>count:</code></td> +<td><code>count({1, 2, 2, 3, 4, 7, 9})</code></td> +</tr> +<tr> +<td><code>!</code></td> +<td><code>NSNotPredicateType</code></td> +<td><code>NOT (p0 OR … OR pn)</code></td> +</tr> +<tr> +<td><code>!=</code></td> +<td><code>NSNotEqualToPredicateOperatorType</code></td> +<td><code>key != value</code></td> +</tr> +<tr> +<td><code><</code></td> +<td><code>NSLessThanPredicateOperatorType</code></td> +<td><code>key < value</code></td> +</tr> +<tr> +<td><code><=</code></td> +<td><code>NSLessThanOrEqualToPredicateOperatorType</code></td> +<td><code>key <= value</code></td> +</tr> +<tr> +<td><code>==</code></td> +<td><code>NSEqualToPredicateOperatorType</code></td> +<td><code>key == value</code></td> +</tr> +<tr> +<td><code>></code></td> +<td><code>NSGreaterThanPredicateOperatorType</code></td> +<td><code>key > value</code></td> +</tr> +<tr> +<td><code>>=</code></td> +<td><code>NSGreaterThanOrEqualToPredicateOperatorType</code></td> +<td><code>key >= value</code></td> +</tr> +<tr> +<td><code>all</code></td> +<td><code>NSAndPredicateType</code></td> +<td><code>p0 AND … AND pn</code></td> +</tr> +<tr> +<td><code>any</code></td> +<td><code>NSOrPredicateType</code></td> +<td><code>p0 OR … OR pn</code></td> +</tr> +<tr> +<td><code>case</code></td> +<td><code>+[NSExpression expressionForConditional:trueExpression:falseExpression:]</code> or <code>MGL_IF</code> or <code>+[NSExpression mgl_expressionForConditional:trueExpression:falseExpresssion:]</code></td> +<td><code>TERNARY(1 = 2, YES, NO)</code> or <code>MGL_IF(1 = 2, YES, 2 = 2, YES, NO)</code></td> +</tr> +<tr> +<td><code>coalesce</code></td> +<td><code>mgl_coalesce:</code></td> +<td><code>mgl_coalesce({x, y, z})</code></td> +</tr> +<tr> +<td><code>match</code></td> +<td><code>MGL_MATCH</code> or <code>+[NSExpression mgl_expressionForMatchingExpression:inDictionary:defaultExpression:]</code></td> +<td><code>MGL_MATCH(x, 0, 'zero match', 1, 'one match', 'two match', 'default')</code></td> +</tr> +<tr> +<td><code>interpolate</code></td> +<td><code>mgl_interpolate:withCurveType:parameters:stops:</code> or <code>+[NSExpression mgl_expressionForInterpolatingExpression:withCurveType:parameters:stops:]</code></td> +<td></td> +</tr> +<tr> +<td><code>step</code></td> +<td><code>mgl_step:withMinimum:stops:</code> or <code>+[NSExpression mgl_expressionForSteppingExpression:fromExpression:stops:]</code></td> +<td></td> +</tr> +<tr> +<td><code>let</code></td> +<td><code>mgl_expressionWithContext:</code></td> +<td><code>MGL_LET('ios', 11, 'macos', 10.13, $ios + $macos)</code></td> +</tr> +<tr> +<td><code>var</code></td> +<td><code>+[NSExpression expressionForVariable:]</code></td> +<td><code>$variable</code></td> +</tr> +<tr> +<td><code>concat</code></td> +<td><code>mgl_join:</code> or <code>-[NSExpression mgl_expressionByAppendingExpression:]</code></td> +<td><code>mgl_join({'Old', ' ', 'MacDonald'})</code></td> +</tr> +<tr> +<td><code>downcase</code></td> +<td><code>lowercase:</code></td> +<td><code>lowercase('DOWNTOWN')</code></td> +</tr> +<tr> +<td><code>upcase</code></td> +<td><code>uppercase:</code></td> +<td><code>uppercase('Elysian Fields')</code></td> +</tr> +<tr> +<td><code>rgb</code></td> +<td><code>+[NSColor colorWithCalibratedRed:green:blue:alpha:]</code></td> +<td></td> +</tr> +<tr> +<td><code>rgba</code></td> +<td><code>+[NSColor colorWithCalibratedRed:green:blue:alpha:]</code></td> +<td></td> +</tr> +<tr> +<td><code>to-rgba</code></td> +<td></td> +<td><code>CAST(noindex(var), 'NSArray')</code></td> +</tr> +<tr> +<td><code>-</code></td> +<td><code>from:subtract:</code></td> +<td><code>2 - 1</code></td> +</tr> +<tr> +<td><code>*</code></td> +<td><code>multiply:by:</code></td> +<td><code>1 * 2</code></td> +</tr> +<tr> +<td><code>/</code></td> +<td><code>divide:by:</code></td> +<td><code>1 / 2</code></td> +</tr> +<tr> +<td><code>%</code></td> +<td><code>modulus:by:</code></td> +<td></td> +</tr> +<tr> +<td><code>^</code></td> +<td><code>raise:toPower:</code></td> +<td><code>2 ** 2</code></td> +</tr> +<tr> +<td><code>+</code></td> +<td><code>add:to:</code></td> +<td><code>1 + 2</code></td> +</tr> +<tr> +<td><code>abs</code></td> +<td><code>abs:</code></td> +<td><code>abs(-1)</code></td> +</tr> +<tr> +<td><code>acos</code></td> +<td><code>mgl_acos:</code></td> +<td><code>mgl_acos(1)</code></td> +</tr> +<tr> +<td><code>asin</code></td> +<td><code>mgl_asin:</code></td> +<td><code>mgl_asin(0)</code></td> +</tr> +<tr> +<td><code>atan</code></td> +<td><code>mgl_atan:</code></td> +<td><code>mgl_atan(20)</code></td> +</tr> +<tr> +<td><code>ceil</code></td> +<td><code>ceiling:</code></td> +<td><code>ceiling(0.99999)</code></td> +</tr> +<tr> +<td><code>cos</code></td> +<td><code>mgl_cos:</code></td> +<td><code>mgl_cos(0)</code></td> +</tr> +<tr> +<td><code>e</code></td> +<td></td> +<td><code>%@</code> representing <code>NSNumber</code> containing <code>M_E</code></td> +</tr> +<tr> +<td><code>floor</code></td> +<td><code>floor:</code></td> +<td><code>floor(-0.99999)</code></td> +</tr> +<tr> +<td><code>ln</code></td> +<td><code>ln:</code></td> +<td><code>ln(2)</code></td> +</tr> +<tr> +<td><code>ln2</code></td> +<td></td> +<td><code>%@</code> representing <code>NSNumber</code> containing <code>M_LN2</code></td> +</tr> +<tr> +<td><code>log10</code></td> +<td><code>log:</code></td> +<td><code>log(1)</code></td> +</tr> +<tr> +<td><code>log2</code></td> +<td><code>mgl_log2:</code></td> +<td><code>mgl_log2(1024)</code></td> +</tr> +<tr> +<td><code>max</code></td> +<td><code>max:</code></td> +<td><code>max({1, 2, 2, 3, 4, 7, 9})</code></td> +</tr> +<tr> +<td><code>min</code></td> +<td><code>min:</code></td> +<td><code>min({1, 2, 2, 3, 4, 7, 9})</code></td> +</tr> +<tr> +<td><code>pi</code></td> +<td></td> +<td><code>%@</code> representing <code>NSNumber</code> containing <code>M_PI</code></td> +</tr> +<tr> +<td><code>round</code></td> +<td><code>mgl_round:</code></td> +<td><code>mgl_round(1.5)</code></td> +</tr> +<tr> +<td><code>sin</code></td> +<td><code>mgl_sin:</code></td> +<td><code>mgl_sin(0)</code></td> +</tr> +<tr> +<td><code>sqrt</code></td> +<td><code>sqrt:</code></td> +<td><code>sqrt(2)</code></td> +</tr> +<tr> +<td><code>tan</code></td> +<td><code>mgl_tan:</code></td> +<td><code>mgl_tan(0)</code></td> +</tr> +<tr> +<td><code>zoom</code></td> +<td><code>NSExpression.zoomLevelVariableExpression</code></td> +<td><code>$zoom</code></td> +</tr> +<tr> +<td><code>heatmap-density</code></td> +<td><code>NSExpression.heatmapDensityVariableExpression</code></td> +<td><code>$heatmapDensity</code></td> +</tr> +</tbody></table> + +<p>For operators that have no corresponding <code>NSExpression</code> symbol, use the +<code>MGL_FUNCTION()</code> format string syntax.</p> +<h2 id='filtering-sources' class='heading'>Filtering sources</h2> + +<p>You can filter a shape or vector tile source by setting the +<code><a href="Classes/MGLVectorStyleLayer.html#/c:objc(cs)MGLVectorStyleLayer(py)predicate">MGLVectorStyleLayer.predicate</a></code> property to an <code>NSPredicate</code> object. Below is a +table of style JSON operators and the corresponding operators used in the +predicate format string:</p> + +<table><thead> +<tr> +<th>In style JSON</th> +<th>In the format string</th> +</tr> +</thead><tbody> +<tr> +<td><code>["has", key]</code></td> +<td><code>key != nil</code></td> +</tr> +<tr> +<td><code>["!has", key]</code></td> +<td><code>key == nil</code></td> +</tr> +<tr> +<td><code>["==", key, value]</code></td> +<td><code>key == value</code></td> +</tr> +<tr> +<td><code>["!=", key, value]</code></td> +<td><code>key != value</code></td> +</tr> +<tr> +<td><code>[">", key, value]</code></td> +<td><code>key > value</code></td> +</tr> +<tr> +<td><code>[">=", key, value]</code></td> +<td><code>key >= value</code></td> +</tr> +<tr> +<td><code>["<", key, value]</code></td> +<td><code>key < value</code></td> +</tr> +<tr> +<td><code>["<=", key, value]</code></td> +<td><code>key <= value</code></td> +</tr> +<tr> +<td><code>["in", key, v0, …, vn]</code></td> +<td><code>key IN {v0, …, vn}</code></td> +</tr> +<tr> +<td><code>["!in", key, v0, …, vn]</code></td> +<td><code>NOT key IN {v0, …, vn}</code></td> +</tr> +<tr> +<td><code>["all", f0, …, fn]</code></td> +<td><code>p0 AND … AND pn</code></td> +</tr> +<tr> +<td><code>["any", f0, …, fn]</code></td> +<td><code>p0 OR … OR pn</code></td> +</tr> +<tr> +<td><code>["none", f0, …, fn]</code></td> +<td><code>NOT (p0 OR … OR pn)</code></td> +</tr> +</tbody></table> + +<p>See the “<a href="predicates-and-expressions.html">Predicates and Expressions</a>” guide for +a full description of the supported operators and operand types.</p> + + </div> + </section> + + + </article> + </div> + <section class="footer limiter"> + <p>© 2014–2018 <a class="link" href="https://www.mapbox.com/" target="_blank" rel="external">Mapbox</a>. See <a class="link" href="https://github.com/mapbox/mapbox-gl-native/blob/master/LICENSE.md" target="_blank" rel="external">license</a> for more details.</p> Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.9.3</a>, a <a class="link" href="http://realm.io" target="_blank" rel="external">Realm</a> project. + </section> + </body> +</div> +</html> |