[WIP] Add Line Gradient Example #232
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| - (void)mapView:(MGLMapView *)mapView didFinishLoadingStyle:(MGLStyle *)style { | ||
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| NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"line-gradient" ofType:@"geojson"]]; | ||
| MGLShapeSource *source = [[MGLShapeSource alloc] initWithIdentifier:@"line-source" URL:url options:nil]; |
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Note that the clarification that will happen in mapbox/mapbox-gl-native#13000 should allow you to switch back to using an MGLPolyline like you did in 100c88d.
| @1: UIColor.redColor | ||
| }; | ||
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| NSExpression *gradientExpression = [NSExpression expressionWithFormat:@"mgl_interpolate:withCurveType:parameters:stops:($lineProgress, 'linear', nil, %@)", stops]; |
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Noting that we might be seeing this crash in its current state because of mapbox/mapbox-gl-native#12917.
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We can try using MGL_FUNCTION("line-progress") until mapbox/mapbox-gl-native#12917 is resolved.
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I'm getting the following error when trying to implement that workaround @captainbarbosa:
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Unable to parse function name 'MGL_Function:' into supported selector (MGL_Function:) '
Am I doing something wrong here:
NSExpression *gradientExpression = [NSExpression expressionWithFormat:@"mgl_interpolate:withCurveType:parameters:stops:(MGL_Function('line-progress'), 'linear', nil, %@)", stops];
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Now that mapbox/mapbox-gl-native#13192 has landed, I believe this example can be picked back up. |
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Closing in favor of #368 |
Closes #203