3 files changed, 23 insertions, 0 deletions
diff --git a/src/mbgl/style/conversion/constant.cpp b/src/mbgl/style/conversion/constant.cpp
index 0fcaab433b..0ed5fad425 100644
--- a/src/mbgl/style/conversion/constant.cpp
+++ b/src/mbgl/style/conversion/constant.cpp
@@ -168,6 +168,24 @@ optional<std::vector<std::string>> Converter<std::vector<std::string>>::operator
     return result;
 }
 
+optional<RadialOffsetType> Converter<RadialOffsetType>::operator()(const Convertible& value, Error& error) const {
+    Converter<std::vector<float>> arrayConverter;
+    if (auto val = arrayConverter(value, error)) {
+        RadialOffsetType result = std::move(*val);
+        return result;
+    }
+
+    Converter<float> numberConverter;
+    if (auto val = numberConverter(value, error)) {
+        RadialOffsetType result(2, *val);
+        return result;
+    }
+
+    error.message = "value must be an array of numbers or a number";
+
+    return nullopt;
+}
+
 } // namespace conversion
 } // namespace style
 } // namespace mbgl
diff --git a/src/mbgl/style/conversion/function.cpp b/src/mbgl/style/conversion/function.cpp
index 086bc4e277..ade5a5dc5e 100644
--- a/src/mbgl/style/conversion/function.cpp
+++ b/src/mbgl/style/conversion/function.cpp
@@ -153,6 +153,10 @@ template optional<PropertyExpression<TranslateAnchorType>>
 template optional<PropertyExpression<Formatted>>
     convertFunctionToExpression<Formatted>(const Convertible&, Error&, bool);
 
+template optional<PropertyExpression<RadialOffsetType>>
+    convertFunctionToExpression<RadialOffsetType>(const Convertible&, Error&, bool);
+
+
 // Ad-hoc Converters for double and int64_t. We should replace float with double wholesale,
 // and promote the int64_t Converter to general use (and it should check that the input is
 // an integer).
diff --git a/src/mbgl/style/conversion/property_value.cpp b/src/mbgl/style/conversion/property_value.cpp
index 6e1d747324..91e61ec5cb 100644
--- a/src/mbgl/style/conversion/property_value.cpp
+++ b/src/mbgl/style/conversion/property_value.cpp
@@ -80,6 +80,7 @@ template optional<PropertyValue<TextJustifyType>> Converter<PropertyValue<TextJu
 template optional<PropertyValue<TextTransformType>> Converter<PropertyValue<TextTransformType>>::operator()(conversion::Convertible const&, conversion::Error&, bool, bool) const;
 template optional<PropertyValue<TranslateAnchorType>> Converter<PropertyValue<TranslateAnchorType>>::operator()(conversion::Convertible const&, conversion::Error&, bool, bool) const;
 template optional<PropertyValue<mbgl::style::expression::Formatted>> Converter<PropertyValue<mbgl::style::expression::Formatted>>::operator()(conversion::Convertible const&, conversion::Error&, bool, bool) const;
+template optional<PropertyValue<RadialOffsetType>> Converter<PropertyValue<RadialOffsetType>>::operator()(conversion::Convertible const&, conversion::Error&, bool, bool) const;
 
 } // namespace conversion
 } // namespace style