Introduce new detail level 6.

Author: partim

src/railway/measures.rs

@@ -347,3 +347,47 @@ pub const BASE_D4: Measures = Measures([
     5.4,    // badge font
 ]);
 
+/// The standard measures for detail level 4.
+pub const BASE_D5: Measures = Measures([
+    2.0,    // dt
+    1.2,    // main track
+    1.2,    // main double
+    1.4,    // main skip
+    0.8,    // light track
+    0.8,    // light double
+    1.2,    // light skip
+    0.3,    // guide width
+    0.4,    // border width
+    12.,    // seg              = 6dt
+    6.,     // sw
+    6.,     // sh
+    5.,     // xsmall font
+    6.,     // small font
+    7.,     // medium font
+    9.,     // large font
+    11.,    // xlarge font
+    5.4,    // badge font
+]);
+
+/// The standard measures for detail level 5.
+pub const BASE_D6: Measures = Measures([
+    2.0,    // dt
+    1.2,    // main track
+    1.1,    // main double
+    3.8,    // main skip
+    1.0,    // light track
+    0.6,    // light double
+    1.4,    // light skip
+    0.3,    // guide width
+    0.4,    // border width
+    12.,    // seg              = 6dt
+    6.,     // sw
+    6.,     // sh
+    5.,     // xsmall font
+    6.,     // small font
+    7.,     // medium font
+    9.,     // large font
+    11.,    // xlarge font
+    5.4,    // badge font
+]);
+

src/railway/style.rs

@@ -47,11 +47,11 @@ const ZOOM: &[Zoom] = &[
     Zoom::new(3.5, 3, 1.6, measures::BASE_D3),
     Zoom::new(4.0, 4, 1.3, measures::BASE_D4),
     Zoom::new(4.5, 4, 1.6, measures::BASE_D4),
-    Zoom::new(5.0, 5, 1.3, measures::BASE_D4), // 15
-    Zoom::new(5.5, 5, 1.6, measures::BASE_D4),
-    Zoom::new(5.5, 5, 1.9, measures::BASE_D4),
-    Zoom::new(5.5, 5, 2.2, measures::BASE_D4),
-    Zoom::new(5.5, 5, 2.5, measures::BASE_D4),
+    Zoom::new(5.0, 5, 1.3, measures::BASE_D5), // 15
+    Zoom::new(5.5, 5, 1.6, measures::BASE_D5),
+    Zoom::new(5.5, 5, 1.9, measures::BASE_D5),
+    Zoom::new(5.5, 5, 2.2, measures::BASE_D5),
+    Zoom::new(5.5, 5, 2.5, measures::BASE_D5),
 ];
 
 const PROOF_ZOOM: &[Zoom] = &[
@@ -69,11 +69,11 @@ const PROOF_ZOOM: &[Zoom] = &[
     Zoom::new(3.5, 3, 1.3, measures::BASE_D3),
     Zoom::new(4.0, 4, 1.0, measures::BASE_D4),
     Zoom::new(4.5, 4, 1.3, measures::BASE_D4),
-    Zoom::new(5.0, 5, 1.0, measures::BASE_D4),
-    Zoom::new(5.5, 5, 1.3, measures::BASE_D4), // 15
-    Zoom::new(5.5, 5, 1.6, measures::BASE_D4),
-    Zoom::new(5.5, 5, 1.9, measures::BASE_D4),
-    Zoom::new(5.5, 5, 2.1, measures::BASE_D4),
+    Zoom::new(5.0, 5, 1.0, measures::BASE_D5),
+    Zoom::new(5.5, 5, 1.3, measures::BASE_D6), // 15
+    Zoom::new(5.5, 5, 1.6, measures::BASE_D6),
+    Zoom::new(5.5, 5, 1.9, measures::BASE_D6),
+    Zoom::new(5.5, 5, 2.1, measures::BASE_D6),
 ];
 
 /// Size correction for feature bounds.