z13 paths optional

openmaptiles/src/main/java/com/onthegomap/flatmap/openmaptiles/layers/Transportation.java

@@ -64,25 +64,32 @@ public class Transportation implements
     "paved", "asphalt", "cobblestone", "concrete", "concrete:lanes", "concrete:plates", "metal",
     "paving_stones", "sett", "unhewn_cobblestone", "wood"
   );
-  private static final Map<String, Integer> MINZOOMS = Map.of(
-    FieldValues.CLASS_TRACK, 14,
-    FieldValues.CLASS_PATH, 13,
-    FieldValues.CLASS_MINOR, 13,
-    FieldValues.CLASS_RACEWAY, 12,
-    FieldValues.CLASS_TERTIARY, 11,
-    FieldValues.CLASS_SECONDARY, 9,
-    FieldValues.CLASS_PRIMARY, 7,
-    FieldValues.CLASS_TRUNK, 5,
-    FieldValues.CLASS_MOTORWAY, 4
-  );
+  private final Map<String, Integer> MINZOOMS;
   private static final ZoomFunction.MeterThresholds MIN_LENGTH = ZoomFunction.meterThresholds()
     .put(7, 50)
     .put(6, 100)
     .put(5, 500)
     .put(4, 1_000);
   private static final double PIXEL = 256d / 4096d;
+  private final boolean z13Paths;
 
   public Transportation(Translations translations, Arguments args, Stats stats) {
+    this.z13Paths = args.get(
+      "transportation_z13_paths",
+      "transportation(_name) layer: show paths on z13",
+      false
+    );
+    MINZOOMS = Map.of(
+      FieldValues.CLASS_TRACK, 14,
+      FieldValues.CLASS_PATH, z13Paths ? 13 : 14,
+      FieldValues.CLASS_MINOR, 13,
+      FieldValues.CLASS_RACEWAY, 12,
+      FieldValues.CLASS_TERTIARY, 11,
+      FieldValues.CLASS_SECONDARY, 9,
+      FieldValues.CLASS_PRIMARY, 7,
+      FieldValues.CLASS_TRUNK, 5,
+      FieldValues.CLASS_MOTORWAY, 4
+    );
   }
 
   private static String surface(String value) {

openmaptiles/src/main/java/com/onthegomap/flatmap/openmaptiles/layers/TransportationName.java

@@ -54,14 +54,7 @@ public class TransportationName implements
 
   private static final Logger LOGGER = LoggerFactory.getLogger(TransportationName.class);
   private static final Pattern GREAT_BRITAIN_REF_NETWORK_PATTERN = Pattern.compile("^[AM][0-9AM()]+");
-  private static final Map<String, Integer> MINZOOMS = Map.of(
-    FieldValues.CLASS_TRACK, 14,
-    FieldValues.CLASS_PATH, 13,
-    FieldValues.CLASS_MINOR, 13,
-    FieldValues.CLASS_TRUNK, 8,
-    FieldValues.CLASS_MOTORWAY, 6
-    // default: 12
-  );
+  private final Map<String, Integer> MINZOOMS;
   private static final ZoomFunction.MeterThresholds MIN_LENGTH = ZoomFunction.meterThresholds()
     .put(6, 20_000)
     .put(7, 20_000)
@@ -73,6 +66,7 @@ public class TransportationName implements
   private final boolean brunnel;
   private final boolean sizeForShield;
   private final boolean limitMerge;
+  private final boolean z13Paths;
   private PreparedGeometry greatBritain = null;
   private AtomicBoolean loggedNoGb = new AtomicBoolean(false);
 
@@ -92,6 +86,19 @@ public class TransportationName implements
       "transportation_name layer: limit merge so we don't combine different relations to help merge long highways",
       false
     );
+    this.z13Paths = args.get(
+      "transportation_z13_paths",
+      "transportation(_name) layer: show paths on z13",
+      false
+    );
+    MINZOOMS = Map.of(
+      FieldValues.CLASS_TRACK, 14,
+      FieldValues.CLASS_PATH, z13Paths ? 13 : 14,
+      FieldValues.CLASS_MINOR, 13,
+      FieldValues.CLASS_TRUNK, 8,
+      FieldValues.CLASS_MOTORWAY, 6
+      // default: 12
+    );
   }
 
   @Override

openmaptiles/src/test/java/com/onthegomap/flatmap/openmaptiles/layers/TransportationTest.java

@@ -37,7 +37,7 @@ public class TransportationTest extends AbstractLayerTest {
       "name", "<null>",
       "_buffer", 4d,
       "_minpixelsize", 0d,
-      "_minzoom", 13,
+      "_minzoom", 14,
       "_maxzoom", 14
     ), Map.of(
       "_layer", "transportation_name",
@@ -48,7 +48,7 @@ public class TransportationTest extends AbstractLayerTest {
       "name_int", "Lagoon Path",
       "name:latin", "Lagoon Path",
       "_minpixelsize", 0d,
-      "_minzoom", 13,
+      "_minzoom", 14,
       "_maxzoom", 14
     )), result);
     assertFeatures(13, List.of(Map.of(
@@ -239,13 +239,13 @@ public class TransportationTest extends AbstractLayerTest {
       "mtb_scale", "4",
       "surface", "unpaved",
       "bicycle", "yes",
-      "_minzoom", 13
+      "_minzoom", 14
     ), Map.of(
       "_layer", "transportation_name",
       "class", "path",
       "subclass", "path",
       "name", "Path name",
-      "_minzoom", 13
+      "_minzoom", 14
     )), process(lineFeature(Map.of(
       "highway", "path",
       "mtb:scale", "4",