From 224c760480ccbbcaa5450299241301d03e683472 Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Sat, 4 Sep 2021 13:05:00 +0300
Subject: [PATCH] Patch osm-carto styles to be brighter and less RED

---
 Dockerfile |   3 +
 roads.diff | 111 +++++++++++++++++++++++++++++++++
 style.diff | 179 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 293 insertions(+)
 create mode 100644 roads.diff
 create mode 100644 style.diff

diff --git a/Dockerfile b/Dockerfile
index 6fb7642..2e3ed58 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -152,6 +152,9 @@ RUN mkdir -p /home/renderer/src \
 COPY ./external-data.yml.diff /home/renderer/src/openstreetmap-carto
 RUN cd /home/renderer/src/openstreetmap-carto && patch -p1 < external-data.yml.diff
 
+COPY ./style.diff /home/renderer/src/openstreetmap-carto
+RUN cd /home/renderer/src/openstreetmap-carto && patch -p1 < style.diff
+
 # Start running
 COPY run.sh /
 ENTRYPOINT ["/run.sh"]
diff --git a/roads.diff b/roads.diff
new file mode 100644
index 0000000..66203b1
--- /dev/null
+++ b/roads.diff
@@ -0,0 +1,111 @@
+diff --git a/road-colors.yaml b/road-colors.yaml
+index 78d3188..855b9bb 100644
+--- a/road-colors.yaml
++++ b/road-colors.yaml
+@@ -10,7 +10,7 @@ roads:
+ 
+ # The starting and ending hue. The range goes from 0 to 360, with 0 and 360
+ # representing red.
+-hue: [10, 106]
++hue: [37, 53]
+ 
+ # The lightness and chroma (also known as saturation) for each type of colour.
+ # Lightness ranges from 0 to 100; dark to bright.
+@@ -19,20 +19,20 @@ classes:
+   # Colours for output into the MSS file
+   mss:
+     fill:
+-      lightness: [70, 97]
+-      chroma: [35, 29]
++      lightness: [1, 1]
++      chroma: [0.55, 0.35]
+     casing:
+-      lightness: [50, 50]
+-      chroma: [70, 55]
++      lightness: [0.8, 0.6]
++      chroma: [0.85, 1]
+     low-zoom:
+-      lightness: [62, 92]
+-      chroma: [50, 40]
++      lightness: [1, 1]
++      chroma: [0.55, 0.35]
+     low-zoom-casing:
+-      lightness: [50, 70]
+-      chroma: [50, 65]
++      lightness: [0.8, 0.6]
++      chroma: [0.85, 1]
+     shield:
+-      lightness: [20, 25]
+-      chroma: [40, 42]
++      lightness: [0.35, 0.25]
++      chroma: [1, 1]
+   # Colours used by the road shields script
+   shield:
+     fill:
+diff --git a/scripts/generate_road_colours.py b/scripts/generate_road_colours.py
+index e8672ff..76e84ea 100755
+--- a/scripts/generate_road_colours.py
++++ b/scripts/generate_road_colours.py
+@@ -3,7 +3,7 @@
+ # Generates a set of highway colors to be stored in road-colors-generated.mss.
+ 
+ from colormath.color_conversions import convert_color
+-from colormath.color_objects import LabColor, LCHabColor, sRGBColor
++from colormath.color_objects import LabColor, LCHabColor, sRGBColor, HSVColor
+ from colormath.color_diff import delta_e_cie2000
+ import argparse
+ import sys
+@@ -12,22 +12,22 @@ import yaml
+ from collections import OrderedDict, namedtuple
+ 
+ class Color:
+-    """A color in the CIE lch color space."""
++    """A color in the HSV color space."""
+ 
+-    def __init__(self, lch_tuple):
+-        self.m_lch = LCHabColor(*lch_tuple)
++    def __init__(self, hsv_tuple):
++        self.m_hsv = HSVColor(*hsv_tuple)
+ 
+-    def lch(self):
+-        return "Lch({:.0f},{:.0f},{:.0f})".format(*(self.m_lch.get_value_tuple()))
++    def hsv(self):
++        return "Hsv({:.0f},{:.0f},{:.0f})".format(*(self.m_hsv.get_value_tuple()))
+ 
+     def rgb(self):
+-        rgb = convert_color(self.m_lch, sRGBColor)
+-        if (rgb.rgb_r != rgb.clamped_rgb_r or rgb.rgb_g != rgb.clamped_rgb_g or rgb.rgb_b != rgb.clamped_rgb_b):
+-            raise Exception("Colour {} is outside sRGB".format(self.lch()))
++        rgb = convert_color(self.m_hsv, sRGBColor)
++        #if (rgb.rgb_r != rgb.clamped_rgb_r or rgb.rgb_g != rgb.clamped_rgb_g or rgb.rgb_b != rgb.clamped_rgb_b):
++        #    raise Exception("Colour {} is outside sRGB".format(self.hsv()))
+         return rgb.get_rgb_hex()
+ 
+     def rgb_error(self):
+-        return delta_e_cie2000(convert_color(self.m_lch, LabColor),
++        return delta_e_cie2000(convert_color(self.m_hsv, LabColor),
+                                convert_color(sRGBColor.new_from_rgb_hex(self.rgb()), LabColor))
+ 
+ def load_settings():
+@@ -85,7 +85,7 @@ def generate_colours(settings, section):
+ 
+         colours[line_name] = OrderedDict()
+         for name in road_classes:
+-            colours[line_name][name] = Color((l, c, hues[name]))
++            colours[line_name][name] = Color((hues[name], c, l))
+             c += delta_c
+             l += delta_l
+ 
+@@ -112,10 +112,10 @@ def main():
+     for line_name, line_colours in colours.items():
+         for name, colour in line_colours.items():
+             if args.verbose:
+-                line = "@{name}-{line_name}: {rgb}; // {lch}, error {delta:.1f}"
++                line = "@{name}-{line_name}: {rgb}; // {hsv}, error {delta:.1f}"
+             else:
+                 line = "@{name}-{line_name}: {rgb};"
+-            print((line.format(name = name, line_name=line_name, rgb = colour.rgb(), lch = colour.lch(), delta = colour.rgb_error())))
++            print((line.format(name = name, line_name=line_name, rgb = colour.rgb(), hsv = colour.hsv(), delta = colour.rgb_error())))
+ 
+ if __name__ == "__main__":
+     main()
diff --git a/style.diff b/style.diff
new file mode 100644
index 0000000..56d22a8
--- /dev/null
+++ b/style.diff
@@ -0,0 +1,179 @@
+diff --git a/style/buildings.mss b/style/buildings.mss
+index 6b1b0bb..67ad9c1 100644
+--- a/style/buildings.mss
++++ b/style/buildings.mss
+@@ -1,4 +1,4 @@
+-@building-fill: #d9d0c9;  // Lch(84, 5, 68)
++@building-fill: #f1ede8;  // Lch(84, 5, 68)
+ @building-line: darken(@building-fill, 15%);  // Lch(70, 9, 66)
+ @building-low-zoom: darken(@building-fill, 4%);
+ 
+diff --git a/style/landcover.mss b/style/landcover.mss
+index e85f9c0..1f554d9 100644
+--- a/style/landcover.mss
++++ b/style/landcover.mss
+@@ -2,29 +2,29 @@
+ 
+ @grass: #cdebb0;        // Lch(90,32,128) also grassland, meadow, village_green, garden, allotments
+ @scrub: #c8d7ab;        // Lch(84,24,122)
+-@forest: #add19e;       // Lch(80,30,135)
++@forest: #d5f1bc;
+ @forest-text: #46673b;  // Lch(40,30,135)
+-@park: #c8facc;         // Lch(94,30,145)
++@park: lighten(#d5f1bc, 5%);
+ @allotments: #c9e1bf;   // Lch(87,20,135)
+ @orchard: #aedfa3; // also vineyard, plant_nursery
+ @hedge: @forest;       // Lch(80,30,135)
+ 
+ // --- "Base" landuses ---
+ 
+-@built-up-lowzoom: #d0d0d0;
+-@built-up-z12: #dddddd;
+-@residential: #e0dfdf;      // Lch(89,0,0)
+-@residential-line: #b9b9b9; // Lch(75,0,0)
+-@retail: #ffd6d1;           // Lch(89,16,30)
+-@retail-line: #d99c95;      // Lch(70,25,30)
+-@commercial: #f2dad9;       // Lch(89,8.5,25)
+-@commercial-line: #d1b2b0;  // Lch(75,12,25)
+-@industrial: #ebdbe8;       // Lch(89,9,330) (Also used for railway, wastewater_plant)
+-@industrial-line: #c6b3c3;  // Lch(75,11,330) (Also used for railway-line, wastewater_plant-line)
+-@farmland: #eef0d5;         // Lch(94,14,112)
+-@farmland-line: #c7c9ae;    // Lch(80,14,112)
+-@farmyard: #f5dcba;         // Lch(89,20,80)
+-@farmyard-line: #d1b48c;    // Lch(75,25,80)
++@built-up-lowzoom: #faf7f0;
++@built-up-z12: #faf7f0;
++@residential: #fcfcf7;
++@residential-line: darken(@residential, 15%);
++@retail: #faf5eb;
++@retail-line: darken(@retail, 15%);
++@commercial: #faf5eb;
++@commercial-line: darken(@commercial, 15%);
++@industrial: #ededf3; // (Also used for railway, wastewater_plant)
++@industrial-line: darken(@industrial, 15%);
++@farmland: #eef0d5;
++@farmland-line: darken(@farmland, 15%);
++@farmyard: #f5dcba;
++@farmyard-line: darken(@farmyard, 15%);
+ 
+ // --- Transport ----
+ 
+@@ -41,8 +41,8 @@
+ 
+ @bare_ground: #eee5dc;
+ @campsite: #def6c0; // also caravan_site, picnic_site
+-@cemetery: #aacbaf; // also grave_yard
+-@construction: #c7c7b4; // also brownfield
++@cemetery: #e5f1dc; // also grave_yard
++@construction: #e6e6e4; // also brownfield
+ @heath: #d6d99f;
+ @mud: rgba(203,177,154,0.3); // produces #e6dcd1 over @land
+ @place_of_worship: #d0d0d0; // also landuse_religious
+diff --git a/style/placenames.mss b/style/placenames.mss
+index 38a7232..988c170 100644
+--- a/style/placenames.mss
++++ b/style/placenames.mss
+@@ -1,8 +1,8 @@
+ @placenames: #222;
+ @placenames-light: #777777;
+-@country-labels: darken(@admin-boundaries-narrow, 10%);
+-@state-labels: desaturate(@admin-boundaries-narrow, 5%);
+-@county-labels: darken(@admin-boundaries-wide, 5%);
++@country-labels: #606060;
++@state-labels: #686868;
++@county-labels: #707070;
+ 
+ #country-names {
+   [zoom >= 3][zoom < 5][way_pixels > 1000],
+diff --git a/style/road-colors-generated.mss b/style/road-colors-generated.mss
+index 488d707..27e8694 100644
+--- a/style/road-colors-generated.mss
++++ b/style/road-colors-generated.mss
+@@ -4,23 +4,23 @@
+ /*                                                                    */
+ /* scripts/generate_road_colours.py > style/road-colors-generated.mss */
+ /*                                                                    */
+-@motorway-casing: #dc2a67;
+-@trunk-casing: #c84e2f;
+-@primary-casing: #a06b00;
+-@secondary-casing: #707d05;
+-@motorway-fill: #e892a2;
+-@trunk-fill: #f9b29c;
+-@primary-fill: #fcd6a4;
+-@secondary-fill: #f7fabf;
+-@motorway-low-zoom: #e66e89;
+-@trunk-low-zoom: #f6967a;
+-@primary-low-zoom: #f4c37d;
+-@secondary-low-zoom: #e7ed9d;
+-@motorway-low-zoom-casing: #c24e6b;
+-@trunk-low-zoom-casing: #d1684a;
+-@primary-low-zoom-casing: #c78d2b;
+-@secondary-low-zoom-casing: #a4b329;
+-@motorway-shield: #620728;
+-@trunk-shield: #5f1c0c;
+-@primary-shield: #503000;
+-@secondary-shield: #364000;
++@motorway-casing: #cc671f;
++@trunk-casing: #bb6c13;
++@primary-casing: #aa7008;
++@secondary-casing: #997300;
++@motorway-fill: #ffad73;
++@trunk-fill: #ffc584;
++@primary-fill: #ffd995;
++@secondary-fill: #ffe9a6;
++@motorway-low-zoom: #ffad73;
++@trunk-low-zoom: #ffc584;
++@primary-low-zoom: #ffd995;
++@secondary-low-zoom: #ffe9a6;
++@motorway-low-zoom-casing: #cc671f;
++@trunk-low-zoom-casing: #bb6c13;
++@primary-low-zoom-casing: #aa7008;
++@secondary-low-zoom-casing: #997300;
++@motorway-shield: #592500;
++@trunk-shield: #512b00;
++@primary-shield: #482e00;
++@secondary-shield: #403000;
+diff --git a/style/roads.mss b/style/roads.mss
+index c750ba2..f07758f 100644
+--- a/style/roads.mss
++++ b/style/roads.mss
+@@ -2080,7 +2080,7 @@ tertiary is rendered from z10 and is not included in osm_planet_roads. */
+     [feature = 'railway_rail'][zoom >= 8],
+     [feature = 'railway_INT-spur-siding-yard'][zoom >= 13] {
+       [zoom < 13] {
+-        line-color: #787878;
++        line-color: #b0b0b0;
+         line-width: 0.5;
+         [zoom >= 8] { line-width: 0.8; }
+         [zoom >= 12] { line-width: 0.9; }
+@@ -2095,7 +2095,7 @@ tertiary is rendered from z10 and is not included in osm_planet_roads. */
+           light/line-color: white;
+           light/line-join: round;
+           [feature = 'railway_rail'] {
+-            dark/line-color: #707070;
++            dark/line-color: #b0b0b0;
+             dark/line-width: 2;
+             light/line-width: 0.75;
+             light/line-dasharray: 8,8;
+@@ -2123,7 +2123,7 @@ tertiary is rendered from z10 and is not included in osm_planet_roads. */
+           }
+         }
+         #tunnels {
+-          line-color: #787878;
++          line-color: #c0c0c0;
+           line-width: 2.8;
+           line-dasharray: 6,4;
+           line-clip: false;
+diff --git a/style/style.mss b/style/style.mss
+index 6bb5b6a..7c78823 100644
+--- a/style/style.mss
++++ b/style/style.mss
+@@ -2,7 +2,7 @@ Map {
+   background-color: @land-color;
+ }
+ 
+-@water-color: #aad3df;
++@water-color: #b8dff5;
+ @land-color: #f2efe9;
+ 
+ @standard-halo-radius: 1;