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[ios, macos] Fixed syntax error in DDS guide

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Minh Nguyễn
2017-05-05 11:13:33 -07:00
parent baaae99a03
commit dc7e30dd43
3 changed files with 9 additions and 10 deletions
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15
platform/darwin/docs/guides/Using Style Functions at Runtime.md.ejs
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@@ -54,9 +54,9 @@ The effect a key has on the style value is determined by the interpolation mode.
The stops dictionary below, for example, shows colors that continuously shift from yellow to orange to red to blue to white based on the attribute value.
``` swift
let url = URL(string: "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson")
let symbolSource = MGLSource(identifier: "source")
```swift
let url = URL(string: "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson")!
let symbolSource = MGLSource(identifier: "source")!
let symbolLayer = MGLSymbolStyleLayer(identifier: "place-city-sm", source: symbolSource)
let source = MGLShapeSource(identifier: "earthquakes", url: url, options: nil)
@@ -91,7 +91,7 @@ Here’s a visualization from Mapbox Studio (see [Working with Mapbox Studio](wo
The example below increases a layer’s `circleRadius` exponentially based on a map’s zoom level. The `MGLStyleFunctionOptionInterpolationBase` is `1.5`.
```swift
let stops = [12: MGLStyleValue(rawValue: 0.5),
let stops = [12: MGLStyleValue<NSNumber>(rawValue: 0.5),
14: MGLStyleValue(rawValue: 2),
18: MGLStyleValue(rawValue: 18)]
@@ -106,7 +106,7 @@ layer.circleRadius = MGLStyleValue(interpolationMode: .exponential,
When we use the stops dictionary given above with an interval interpolation mode, we create ranges where earthquakes with a magnitude of 0 to just less than 2.5 would be yellow, 2.5 to just less than 5 would be orange, and so on.
``` swift
```swift
let stops = [0: MGLStyleValue<<%- cocoaPrefix %>Color>(rawValue: .yellow),
2.5: MGLStyleValue(rawValue: .orange),
5: MGLStyleValue(rawValue: .red),
@@ -127,7 +127,7 @@ At each stop, `MGLInterpolationModeCategorical` produces an output value equal t
There are three main types of events in the dataset: earthquakes, explosions, and quarry blasts. In this case, the color of the circle layer will be determined by the type of event, with a default value of blue to catch any events that do not fall into any of those categories.
``` swift
```swift
let categoricalStops = ["earthquake": MGLStyleValue<<%- cocoaPrefix %>Color>(rawValue: .orange),
"explosion": MGLStyleValue(rawValue: .red),
"quarry blast": MGLStyleValue(rawValue: .yellow)]
@@ -145,12 +145,11 @@ layer.circleColor = MGLStyleValue(interpolationMode: .categorical,
`MGLInterpolationModeIdentity` uses the attribute’s value as the style value. For example, you can set the `circleRadius` to the earthquake’s magnitude. Since the attribute value itself will be used as the style value, `sourceStops` should be set to `nil`.
``` swift
```swift
layer.circleRadius = MGLStyleValue(interpolationMode: .identity,
sourceStops: nil,
attributeName: "mag",
options: [.defaultValue: MGLStyleValue<NSNumber>(rawValue: 0)])
```
![identity mode](img/data-driven-styling/identity.png)

2
platform/ios/docs/guides/Using Style Functions at Runtime.md
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@@ -49,7 +49,7 @@ The effect a key has on the style value is determined by the interpolation mode.
The stops dictionary below, for example, shows colors that continuously shift from yellow to orange to red to blue to white based on the attribute value.
``` swift
let url = URL(string: "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson")
let url = URL(string: "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson")!
let symbolSource = MGLSource(identifier: "source")
let symbolLayer = MGLSymbolStyleLayer(identifier: "place-city-sm", source: symbolSource)

2
platform/macos/docs/guides/Using Style Functions at Runtime.md
View File

@@ -49,7 +49,7 @@ The effect a key has on the style value is determined by the interpolation mode.
The stops dictionary below, for example, shows colors that continuously shift from yellow to orange to red to blue to white based on the attribute value.
``` swift
let url = URL(string: "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson")
let url = URL(string: "https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson")!
let symbolSource = MGLSource(identifier: "source")
let symbolLayer = MGLSymbolStyleLayer(identifier: "place-city-sm", source: symbolSource)