diff --git a/README.md b/README.md
index 7369d7ed..16258554 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Refer to the [project wiki](https://github.com/Azgaar/Fantasy-Map-Generator/wiki
 
 Join our [Discord server](https://discordapp.com/invite/X7E84HU) and [Reddit community](https://www.reddit.com/r/FantasyMapGenerator) to share your creations, discuss the Generator, suggest ideas and get the most recent updates.
 
-Contact me via [email](mailto:azgaar.fmg@yandex.by) if you have non-public suggestions. For bug reports please use [GitHub issues](https://github.com/Azgaar/Fantasy-Map-Generator/issues) or _#bugs_ channel on Discord. If you are facing performance issues, please read [the tips](https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Tips#performance-tips).
+Contact me via [email](mailto:azgaar.fmg@yandex.com) if you have non-public suggestions. For bug reports please use [GitHub issues](https://github.com/Azgaar/Fantasy-Map-Generator/issues) or _#bugs_ channel on Discord. If you are facing performance issues, please read [the tips](https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Tips#performance-tips).
 
 Electron desktop application is available in [releases](https://github.com/Azgaar/Fantasy-Map-Generator/releases). Download archive for your architecture, unzip and run.
 
diff --git a/index.html b/index.html
index 5df0b2b5..f8ed0bfa 100644
--- a/index.html
+++ b/index.html
@@ -15,7 +15,7 @@
     <link rel="icon" type="image/png" href="./images/icons/favicon-16x16.png" sizes="16x16" />
     <link rel="apple-touch-icon" href="./images/icons/maskable_icon_x192.png" />
     <link rel="canonical" href="https://azgaar.github.io/Fantasy-Map-Generator/" />
-    <!-- <link rel="manifest" href="./manifest.webmanifest" /> -->
+    <link rel="manifest" href="./manifest.webmanifest" />
 
     <!-- inline css for loading screen -->
     <style type="text/css">
@@ -1248,6 +1248,7 @@
                     <option value="bright" selected>Bright</option>
                     <option value="light">Light</option>
                     <option value="green">Green</option>
+                    <option value="rainbow">Rainbow</option>
                     <option value="monochrome">Monochrome</option>
                   </select>
                 </td>
@@ -2167,7 +2168,7 @@
             <a href="https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Changelog" target="_blank">changelog</a>.
             Please report bugs
             <a href="https://github.com/Azgaar/Fantasy-Map-Generator/issues" target="_blank">here</a>. You can also
-            contact me directly via <a href="mailto:azgaar.fmg@yandex.by" target="_blank">email</a>.
+            contact me directly via <a href="mailto:azgaar.fmg@yandex.com" target="_blank">email</a>.
           </p>
 
           <div
diff --git a/src/dialogs/dialogs/burg-editor.js b/src/dialogs/dialogs/burg-editor.js
index d5165b10..319500e3 100644
--- a/src/dialogs/dialogs/burg-editor.js
+++ b/src/dialogs/dialogs/burg-editor.js
@@ -1,8 +1,9 @@
 import * as d3 from "d3";
 
-import {closeDialogs} from "dialogs/utils";
 import {openDialog} from "dialogs";
-import {layerIsOn} from "layers";
+import {closeDialogs} from "dialogs/utils";
+import {layerIsOn, toggleLayer} from "layers";
+import {getBurgSeed, getMFCGlink, unselect} from "modules/ui/editors";
 import {prompt} from "scripts/prompt";
 import {clearMainTip, tip} from "scripts/tooltips";
 import {findCell} from "utils/graphUtils";
@@ -10,15 +11,14 @@ import {rn} from "utils/numberUtils";
 import {rand} from "utils/probabilityUtils";
 import {parseTransform} from "utils/stringUtils";
 import {convertTemperature, getHeight} from "utils/unitUtils";
-import {getMFCGlink, getBurgSeed, unselect} from "modules/ui/editors";
 
 let isLoaded = false;
 
 export function open({id} = {}) {
   if (customization) return;
   closeDialogs(".stable");
-  if (!layerIsOn("toggleIcons")) toggleIcons();
-  if (!layerIsOn("toggleLabels")) toggleLabels();
+  if (!layerIsOn("toggleIcons")) toggleLayer("toggleIcons");
+  if (!layerIsOn("toggleLabels")) toggleLayer("toggleLabels");
 
   const burg = id || d3.event.target.dataset.id;
   elSelected = burgLabels.select("[data-id='" + burg + "']");
diff --git a/src/dialogs/dialogs/burgs-overview.js b/src/dialogs/dialogs/burgs-overview.js
index 0d9d2ccc..da55a5b7 100644
--- a/src/dialogs/dialogs/burgs-overview.js
+++ b/src/dialogs/dialogs/burgs-overview.js
@@ -9,7 +9,7 @@ import {si, siToInteger} from "utils/unitUtils";
 import {getHeight} from "utils/unitUtils";
 import {closeDialogs} from "dialogs/utils";
 import {openDialog} from "dialogs";
-import {layerIsOn} from "layers";
+import {layerIsOn, toggleLayer} from "layers";
 import {applySorting} from "modules/ui/editors";
 
 let isLoaded = false;
@@ -17,8 +17,8 @@ let isLoaded = false;
 export function open() {
   if (customization) return;
   closeDialogs("#burgsOverview, .stable");
-  if (!layerIsOn("toggleIcons")) toggleIcons();
-  if (!layerIsOn("toggleLabels")) toggleLabels();
+  if (!layerIsOn("toggleIcons")) toggleLayer("toggleIcons");
+  if (!layerIsOn("toggleLabels")) toggleLayer("toggleLabels");
 
   const body = document.getElementById("burgsBody");
   updateFilter();
diff --git a/src/dialogs/dialogs/cultures-editor.js b/src/dialogs/dialogs/cultures-editor.js
index 53ef2182..5d998e05 100644
--- a/src/dialogs/dialogs/cultures-editor.js
+++ b/src/dialogs/dialogs/cultures-editor.js
@@ -11,6 +11,7 @@ import {rn} from "utils/numberUtils";
 import {byId} from "utils/shorthands";
 import {capitalize} from "utils/stringUtils";
 import {getArea, getAreaUnit, si} from "utils/unitUtils";
+import {applySortingByHeader} from "modules/ui/editors";
 
 const $body = insertEditorHtml();
 addListeners();
diff --git a/src/dialogs/dialogs/heightmap-editor.js b/src/dialogs/dialogs/heightmap-editor.js
index 3843523a..73e7aa99 100644
--- a/src/dialogs/dialogs/heightmap-editor.js
+++ b/src/dialogs/dialogs/heightmap-editor.js
@@ -2,6 +2,23 @@ import * as d3 from "d3";
 import RgbQuant from "rgbquant";
 
 import {heightmapTemplates} from "config/heightmap-templates";
+import {ERROR, INFO, TIME} from "config/logging";
+import {closeDialogs} from "dialogs/utils";
+import {layerIsOn, turnLayerButtonOff, turnLayerButtonOn, updatePresetInput, renderLayer} from "layers";
+import {drawCoastline} from "modules/coastline";
+import {markFeatures, markupGridOcean} from "modules/markup";
+import {generatePrecipitation} from "modules/precipitation";
+import {calculateTemperatures} from "modules/temperature";
+import {moveCircle, removeCircle} from "modules/ui/editors";
+import {changeViewMode} from "modules/ui/options";
+import {addZones} from "modules/zones";
+import {aleaPRNG} from "scripts/aleaPRNG";
+import {restoreDefaultEvents} from "scripts/events";
+import {undraw} from "scripts/generation";
+import {prompt} from "scripts/prompt";
+import {rankCells} from "scripts/rankCells";
+import {reGraph} from "scripts/reGraph";
+import {clearMainTip, showMainTip, tip} from "scripts/tooltips";
 import {createTypedArray, last} from "utils/arrayUtils";
 import {getColorScheme, getHeightColor} from "utils/colorUtils";
 import {throttle} from "utils/functionUtils";
@@ -10,17 +27,11 @@ import {link} from "utils/linkUtils";
 import {lim, minmax, rn} from "utils/numberUtils";
 import {byId} from "utils/shorthands";
 import {getHeight} from "utils/unitUtils";
-import {turnLayerButtonOff, turnLayerButtonOn, updatePresetInput} from "layers";
-import {restoreDefaultEvents} from "scripts/events";
-import {prompt} from "scripts/prompt";
-import {clearMainTip, showMainTip, tip} from "scripts/tooltips";
-import {aleaPRNG} from "scripts/aleaPRNG";
-import {undraw} from "scripts/generation";
-import {closeDialogs} from "dialogs/utils";
 
 let isLoaded = false;
+let layers;
 
-export function editHeightmap(options) {
+export function open(options) {
   const {mode, tool} = options || {};
   restartHistory();
   viewbox.insert("g", "#terrs").attr("id", "heights");
@@ -70,8 +81,8 @@ export function editHeightmap(options) {
   }
 
   function enterHeightmapEditMode(mode) {
-    editHeightmap.layers = Array.from(mapLayers.querySelectorAll("li:not(.buttonoff)")).map(node => node.id); // store layers preset
-    editHeightmap.layers.forEach(l => byId(l).click()); // turn off all layers
+    layers = Array.from(mapLayers.querySelectorAll("li:not(.buttonoff)")).map(node => node.id); // store layers preset
+    layers.forEach(l => byId(l).click()); // turn off all layers
 
     customization = 1;
     closeDialogs();
@@ -155,12 +166,11 @@ export function editHeightmap(options) {
 
   // Exit customization mode
   function finalizeHeightmap() {
-    if (viewbox.select("#heights").selectAll("*").size() < 200)
-      return tip(
-        "Insufficient land area! There should be at least 200 land cells to finalize the heightmap",
-        null,
-        "error"
-      );
+    if (viewbox.select("#heights").selectAll("*").size() < 200) {
+      const error = "Insufficient land area! There should be at least 200 land cells to finalize the heightmap";
+      return tip(error, null, "error");
+    }
+
     if (byId("imageConverter").offsetParent) return tip("Please exit the Image Conversion mode first", null, "error");
 
     delete window.edits; // remove global variable
@@ -175,7 +185,7 @@ export function editHeightmap(options) {
     restoreDefaultEvents();
     clearMainTip();
     closeDialogs();
-    resetZoom();
+    Zoom.reset();
 
     if (byId("preview")) byId("preview").remove();
     if (byId("canvas3d")) enterStandardView();
@@ -186,16 +196,15 @@ export function editHeightmap(options) {
     else if (mode === "risk") restoreRiskedData();
 
     // restore initial layers
-    //viewbox.select("#heights").remove();
+    // viewbox.select("#heights").remove();
     byId("heights").remove();
     turnLayerButtonOff("toggleHeight");
     document
       .getElementById("mapLayers")
       .querySelectorAll("li")
       .forEach(function (e) {
-        if (editHeightmap.layers.includes(e.id) && !layerIsOn(e.id)) e.click();
-        // turn on
-        else if (!editHeightmap.layers.includes(e.id) && layerIsOn(e.id)) e.click(); // turn off
+        if (layers.includes(e.id) && !layerIsOn(e.id)) e.click(); // turn on
+        else if (!layers.includes(e.id) && layerIsOn(e.id)) e.click(); // turn off
       });
     updatePresetInput();
   }
@@ -227,7 +236,7 @@ export function editHeightmap(options) {
       }
     }
 
-    drawRivers();
+    renderLayer("rivers");
     Lakes.defineGroup();
     Biomes.define();
     rankCells();
@@ -239,8 +248,8 @@ export function editHeightmap(options) {
     BurgsAndStates.generateProvinces();
     BurgsAndStates.defineBurgFeatures();
 
-    drawStates();
-    drawBorders();
+    renderLayer("states");
+    renderLayer("borders");
     BurgsAndStates.drawStateLabels();
 
     Rivers.specify();
@@ -429,8 +438,8 @@ export function editHeightmap(options) {
     }
 
     BurgsAndStates.drawStateLabels();
-    drawStates();
-    drawBorders();
+    renderLayer("states");
+    renderLayer("borders");
 
     if (erosionAllowed) {
       Rivers.specify();
@@ -1148,7 +1157,7 @@ export function editHeightmap(options) {
         const ctx = byId("canvas").getContext("2d");
         ctx.drawImage(img, 0, 0, graphWidth, graphHeight);
         heightsFromImage(+convertColors.value);
-        resetZoom();
+        Zoom.reset();
       };
 
       reader.onloadend = () => (img.src = reader.result);
diff --git a/src/dialogs/dialogs/heightmap-selection.js b/src/dialogs/dialogs/heightmap-selection.js
index 0f8c72c6..03d2462f 100644
--- a/src/dialogs/dialogs/heightmap-selection.js
+++ b/src/dialogs/dialogs/heightmap-selection.js
@@ -347,6 +347,6 @@ function confirmHeightmapEdit() {
     title: this.dataset.tip,
     message: "Opening the tool will erase the current map. Are you sure you want to proceed?",
     confirm: "Continue",
-    onConfirm: () => editHeightmap({mode: "erase", tool})
+    onConfirm: () => openDialog("heightmapEditor", null, {mode: "erase", tool})
   });
 }
diff --git a/src/dialogs/dialogs/religions-editor.js b/src/dialogs/dialogs/religions-editor.js
index 4c554dc8..d6a7f75c 100644
--- a/src/dialogs/dialogs/religions-editor.js
+++ b/src/dialogs/dialogs/religions-editor.js
@@ -10,6 +10,7 @@ import {abbreviate} from "utils/languageUtils";
 import {rn} from "utils/numberUtils";
 import {byId} from "utils/shorthands";
 import {getArea, getAreaUnit, si} from "utils/unitUtils";
+import {applySortingByHeader} from "modules/ui/editors";
 
 const $body = insertEditorHtml();
 addListeners();
diff --git a/src/dialogs/dialogs/states-editor.js b/src/dialogs/dialogs/states-editor.js
index 44317ae4..b6e48c24 100644
--- a/src/dialogs/dialogs/states-editor.js
+++ b/src/dialogs/dialogs/states-editor.js
@@ -1,7 +1,8 @@
 import * as d3 from "d3";
 
-import {closeDialogs} from "dialogs/utils";
 import {openDialog} from "dialogs";
+import {closeDialogs} from "dialogs/utils";
+import {applySortingByHeader, unfog} from "modules/ui/editors";
 import {restoreDefaultEvents} from "scripts/events";
 import {clearMainTip, showMainTip, tip} from "scripts/tooltips";
 import {getMixedColor, getRandomColor} from "utils/colorUtils";
diff --git a/src/layers/renderers/drawHeightmap.js b/src/layers/renderers/drawHeightmap.js
index 3185c1ae..fc3b7786 100644
--- a/src/layers/renderers/drawHeightmap.js
+++ b/src/layers/renderers/drawHeightmap.js
@@ -1,6 +1,7 @@
 import * as d3 from "d3";
 
 import {getColorScheme, getHeightColor} from "utils/colorUtils";
+import {round} from "utils/stringUtils";
 
 export function drawHeightmap() {
   terrs.selectAll("*").remove();
diff --git a/src/modules/burgs-and-states.js b/src/modules/burgs-and-states.js
index 6f129d98..d6aefcaf 100644
--- a/src/modules/burgs-and-states.js
+++ b/src/modules/burgs-and-states.js
@@ -3,7 +3,7 @@ import FlatQueue from "flatqueue";
 import Delaunator from "delaunator";
 
 import {TIME} from "config/logging";
-import {layerIsOn} from "layers";
+import {layerIsOn, toggleLayer} from "layers";
 import {Voronoi} from "/src/modules/voronoi";
 import {getColors, getMixedColor, getRandomColor} from "utils/colorUtils";
 import {findCell} from "utils/graphUtils";
@@ -613,7 +613,7 @@ window.BurgsAndStates = (function () {
       const g = labels.select("#states");
       const t = defs.select("#textPaths");
       const displayed = layerIsOn("toggleLabels");
-      if (!displayed) toggleLabels();
+      if (!displayed) toggleLayer("toggleLabels");
 
       if (!list) {
         // remove all labels and textpaths
@@ -697,7 +697,7 @@ window.BurgsAndStates = (function () {
       });
 
       example.remove();
-      if (!displayed) toggleLabels();
+      if (!displayed) toggleLayer("toggleLabels");
     })();
 
     function getLines(mode, name, fullName, pathLength) {
diff --git a/src/modules/dynamic/auto-update.js b/src/modules/dynamic/auto-update.js
index 920c9dcd..3ebed24e 100644
--- a/src/modules/dynamic/auto-update.js
+++ b/src/modules/dynamic/auto-update.js
@@ -1,10 +1,11 @@
 import * as d3 from "d3";
 
+import {turnLayerButtonOff, turnLayerButtonOn} from "layers";
+import {unfog} from "modules/ui/editors";
 import {findCell} from "utils/graphUtils";
 import {rn} from "utils/numberUtils";
-import {rand, P, rw} from "utils/probabilityUtils";
+import {P, rand, rw} from "utils/probabilityUtils";
 import {parseTransform} from "utils/stringUtils";
-import {turnLayerButtonOn, turnLayerButtonOff} from "layers";
 
 // update old .map version to the current one
 export function resolveVersionConflicts(version) {
diff --git a/src/modules/io/load.js b/src/modules/io/load.js
index 78db8434..7e220051 100644
--- a/src/modules/io/load.js
+++ b/src/modules/io/load.js
@@ -1,5 +1,6 @@
 import * as d3 from "d3";
 
+import {INFO} from "config/logging";
 import {updatePresetInput} from "layers";
 import {restoreDefaultEvents} from "scripts/events";
 import {ldb} from "scripts/indexedDB";
diff --git a/src/modules/submap.js b/src/modules/submap.js
index 08364b97..88ef0384 100644
--- a/src/modules/submap.js
+++ b/src/modules/submap.js
@@ -1,9 +1,11 @@
 import * as d3 from "d3";
 
+import {INFO} from "config/logging";
 import {findCell} from "utils/graphUtils";
 import {getMiddlePoint} from "utils/lineUtils";
 import {rn} from "utils/numberUtils";
 import {aleaPRNG} from "scripts/aleaPRNG";
+import {renderLayer} from "layers";
 
 window.Submap = (function () {
   const isWater = (pack, id) => pack.cells.h[id] < 20;
@@ -210,7 +212,7 @@ window.Submap = (function () {
 
     stage("Regenerating river network.");
     Rivers.generate();
-    drawRivers();
+    renderLayer("rivers");
     Lakes.defineGroup();
 
     // biome calculation based on (resampled) grid.cells.temp and prec
diff --git a/src/modules/ui/editors.js b/src/modules/ui/editors.js
index 221ce5d9..0e4e28b5 100644
--- a/src/modules/ui/editors.js
+++ b/src/modules/ui/editors.js
@@ -1,12 +1,12 @@
 import * as d3 from "d3";
 
 import {restoreDefaultEvents} from "scripts/events";
-import {findCell} from "utils/graphUtils";
-import {byId} from "utils/shorthands";
 import {tip} from "scripts/tooltips";
-import {rn, minmax, normalize} from "utils/numberUtils";
-import {parseTransform} from "utils/stringUtils";
+import {findCell} from "utils/graphUtils";
+import {minmax, normalize, rn} from "utils/numberUtils";
 import {each} from "utils/probabilityUtils";
+import {byId} from "utils/shorthands";
+import {parseTransform} from "utils/stringUtils";
 
 // clear elSelected variable
 export function unselect() {
@@ -650,7 +650,7 @@ function fog(id, path) {
 }
 
 // remove fogging
-function unfog(id) {
+export function unfog(id) {
   let el = defs.select("#fog #" + id);
   if (!id || !el.size()) el = defs.select("#fog").selectAll("path");
 
diff --git a/src/modules/ui/hotkeys.js b/src/modules/ui/hotkeys.js
index 26a0fe29..60527563 100644
--- a/src/modules/ui/hotkeys.js
+++ b/src/modules/ui/hotkeys.js
@@ -40,7 +40,7 @@ function handleKeyup(event) {
   else if (ctrl && code === "KeyC") saveToDropbox();
   else if (ctrl && code === "KeyZ" && undo?.offsetParent) undo.click();
   else if (ctrl && code === "KeyY" && redo?.offsetParent) redo.click();
-  else if (shift && code === "KeyH") editHeightmap();
+  else if (shift && code === "KeyH") openDialog("heightmapEditor");
   else if (shift && code === "KeyB") editBiomes();
   else if (shift && code === "KeyS") openDialog("statesEditor");
   else if (shift && code === "KeyP") editProvinces();
@@ -100,7 +100,7 @@ function handleKeyup(event) {
   else if (code === "ArrowUp") zoom.translateBy(svg, 0, 10);
   else if (code === "ArrowDown") zoom.translateBy(svg, 0, -10);
   else if (key === "+" || key === "-") pressNumpadSign(key);
-  else if (key === "0") resetZoom(1000);
+  else if (key === "0") Zoom.reset(1000);
   else if (key === "1") zoom.scaleTo(svg, 1);
   else if (key === "2") zoom.scaleTo(svg, 2);
   else if (key === "3") zoom.scaleTo(svg, 3);
diff --git a/src/modules/ui/options.js b/src/modules/ui/options.js
index 50f7b22f..407b2014 100644
--- a/src/modules/ui/options.js
+++ b/src/modules/ui/options.js
@@ -613,7 +613,7 @@ function randomizeCultureSet() {
 }
 
 function setRendering(value) {
-  fmg.viewbox?.attr("shape-rendering", value);
+  viewbox?.attr("shape-rendering", value);
 }
 
 // generate current year and era name
@@ -901,7 +901,7 @@ function updateTilesOptions() {
 
 // View mode
 viewMode.addEventListener("click", changeViewMode);
-function changeViewMode(event) {
+export function changeViewMode(event) {
   const button = event.target;
   if (button.tagName !== "BUTTON") return;
   const pressed = button.classList.contains("pressed");
diff --git a/src/modules/ui/provinces-editor.js b/src/modules/ui/provinces-editor.js
index d9f86d1b..4302fdac 100644
--- a/src/modules/ui/provinces-editor.js
+++ b/src/modules/ui/provinces-editor.js
@@ -1,8 +1,9 @@
 import * as d3 from "d3";
 
-import {closeDialogs} from "dialogs/utils";
 import {openDialog} from "dialogs";
+import {closeDialogs} from "dialogs/utils";
 import {turnLayerButtonOff} from "layers";
+import {unfog} from "modules/ui/editors";
 import {restoreDefaultEvents} from "scripts/events";
 import {clearMainTip, showMainTip, tip} from "scripts/tooltips";
 import {unique} from "utils/arrayUtils";
diff --git a/src/modules/ui/style.js b/src/modules/ui/style.js
index c21d52e3..70011459 100644
--- a/src/modules/ui/style.js
+++ b/src/modules/ui/style.js
@@ -1,5 +1,6 @@
 import * as d3 from "d3";
 
+import {INFO} from "config/logging";
 import {tip} from "scripts/tooltips";
 import {rn} from "utils/numberUtils";
 import {parseTransform} from "utils/stringUtils";
diff --git a/src/modules/ui/submap.js b/src/modules/ui/submap.js
index 79f0d0a4..4a32a928 100644
--- a/src/modules/ui/submap.js
+++ b/src/modules/ui/submap.js
@@ -57,7 +57,7 @@ window.UISubmap = (function () {
   });
 
   async function openResampleMenu() {
-    resetZoom(0);
+    Zoom.reset(0);
 
     byId("submapAngleInput").value = 0;
     byId("submapAngleOutput").value = "0";
@@ -283,7 +283,7 @@ window.UISubmap = (function () {
 
   async function startResample(options) {
     // Do model changes with Submap.resample then do view changes if needed
-    resetZoom(0);
+    Zoom.reset(0);
     let oldstate = {
       grid: structuredClone(grid),
       pack: structuredClone(pack),
diff --git a/src/modules/ui/tools.js b/src/modules/ui/tools.js
index cc4f1664..c64c5a1a 100644
--- a/src/modules/ui/tools.js
+++ b/src/modules/ui/tools.js
@@ -2,7 +2,8 @@ import * as d3 from "d3";
 
 import {openDialog} from "dialogs";
 import {closeDialogs} from "dialogs/utils";
-import {turnLayerButtonOn} from "layers";
+import {renderLayer, toggleLayer, turnLayerButtonOn} from "layers";
+import {unfog} from "modules/ui/editors";
 import {aleaPRNG} from "scripts/aleaPRNG";
 import {restoreDefaultEvents} from "scripts/events";
 import {prompt} from "scripts/prompt";
@@ -20,7 +21,7 @@ toolsContent.addEventListener("click", function (event) {
   const button = event.target.id;
 
   // click on open Editor buttons
-  if (button === "editHeightmapButton") editHeightmap();
+  if (button === "editHeightmapButton") openDialog("heightmapEditor");
   else if (button === "editBiomesButton") editBiomes();
   else if (button === "editStatesButton") openDialog("statesEditor");
   else if (button === "editProvincesButton") editProvinces();
@@ -133,8 +134,8 @@ function regenerateRivers() {
   Rivers.generate();
   Lakes.defineGroup();
   Rivers.specify();
-  if (!layerIsOn("toggleRivers")) toggleRivers();
-  else drawRivers();
+  if (!layerIsOn("toggleRivers")) toggleLayer("toggleRivers");
+  else renderLayer("rivers");
 }
 
 function recalculatePopulation() {
diff --git a/src/modules/ui/world-configurator.js b/src/modules/ui/world-configurator.js
index 69b95cd9..50146498 100644
--- a/src/modules/ui/world-configurator.js
+++ b/src/modules/ui/world-configurator.js
@@ -3,6 +3,7 @@ import * as d3 from "d3";
 import {tip} from "scripts/tooltips";
 import {rn} from "utils/numberUtils";
 import {round, parseTransform} from "utils/stringUtils";
+import {renderLayer} from "layers";
 
 let isLoaded = false;
 
@@ -68,11 +69,11 @@ export function editWorld() {
     pack.cells.h = new Float32Array(heights);
     Biomes.define();
 
-    if (layerIsOn("toggleTemp")) drawTemp();
-    if (layerIsOn("togglePrec")) drawPrec();
-    if (layerIsOn("toggleBiomes")) drawBiomes();
+    if (layerIsOn("toggleTemp")) renderLayer("temperature");
+    if (layerIsOn("togglePrec")) renderLayer("precipitation");
+    if (layerIsOn("toggleBiomes")) renderLayer("biomes");
     if (layerIsOn("toggleCoordinates")) drawCoordinates();
-    if (layerIsOn("toggleRivers")) drawRivers();
+    if (layerIsOn("toggleRivers")) renderLayer("rivers");
     if (document.getElementById("canvas3d")) setTimeout(ThreeD.update(), 500);
   }
 
diff --git a/src/modules/ui/zones-editor.js b/src/modules/ui/zones-editor.js
index 62f9f229..ce5abe19 100644
--- a/src/modules/ui/zones-editor.js
+++ b/src/modules/ui/zones-editor.js
@@ -1,6 +1,7 @@
 import * as d3 from "d3";
 
 import {closeDialogs} from "dialogs/utils";
+import {unfog} from "modules/ui/editors";
 import {restoreDefaultEvents} from "scripts/events";
 import {clearMainTip, showMainTip, tip} from "scripts/tooltips";
 import {unique} from "utils/arrayUtils";
diff --git a/src/scripts/generation.js b/src/scripts/generation.js
index 47f9fc8d..fcd8727d 100644
--- a/src/scripts/generation.js
+++ b/src/scripts/generation.js
@@ -1,6 +1,7 @@
 import * as d3 from "d3";
 
 import {ERROR, INFO, WARN} from "config/logging";
+import {closeDialogs} from "dialogs/utils";
 import {initLayers, renderLayer, restoreLayers} from "layers";
 import {drawCoastline} from "modules/coastline";
 import {calculateMapCoordinates, defineMapSize} from "modules/coordinates";
@@ -8,6 +9,7 @@ import {markFeatures, markupGridOcean} from "modules/markup";
 import {drawScaleBar, Rulers} from "modules/measurers";
 import {generatePrecipitation} from "modules/precipitation";
 import {calculateTemperatures} from "modules/temperature";
+import {unfog} from "modules/ui/editors";
 import {applyMapSize, randomizeOptions} from "modules/ui/options";
 import {applyStyleOnLoad} from "modules/ui/stylePresets";
 import {addZones} from "modules/zones";
@@ -20,10 +22,9 @@ import {generateGrid, shouldRegenerateGrid} from "utils/graphUtils";
 import {rn} from "utils/numberUtils";
 import {generateSeed} from "utils/probabilityUtils";
 import {byId} from "utils/shorthands";
-import {showStatistics} from "./statistics";
-import {reGraph} from "./reGraph";
 import {rankCells} from "./rankCells";
-import {closeDialogs} from "dialogs/utils";
+import {reGraph} from "./reGraph";
+import {showStatistics} from "./statistics";
 
 export async function generate(options) {
   try {
diff --git a/src/scripts/options/about.js b/src/scripts/options/about.js
index 7ce248a5..4db49c01 100644
--- a/src/scripts/options/about.js
+++ b/src/scripts/options/about.js
@@ -32,7 +32,7 @@ export function showAboutDialog() {
       <li>${link("https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Changelog", "Changelog")}</li>
       <li>${link("https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Hotkeys", "Hotkeys")}</li>
       <li>${link("https://trello.com/b/7x832DG4/fantasy-map-generator", "Devboard")}</li>
-      <li><a href="mailto:azgaar.fmg@yandex.by" target="_blank">Contact Azgaar</a></li>
+      <li><a href="mailto:azgaar.fmg@yandex.com" target="_blank">Contact Azgaar</a></li>
     </ul>`;
 
   $("#alert").dialog({
diff --git a/src/utils/colorUtils.ts b/src/utils/colorUtils.ts
index d3610862..e4437cdc 100644
--- a/src/utils/colorUtils.ts
+++ b/src/utils/colorUtils.ts
@@ -17,25 +17,24 @@ const c12: Hex[] = [
 
 type ColorScheme = d3.ScaleSequential<string>;
 const colorSchemeMap: Dict<ColorScheme> = {
-  default: d3.scaleSequential(d3.interpolateRainbow),
   bright: d3.scaleSequential(d3.interpolateSpectral),
   light: d3.scaleSequential(d3.interpolateRdYlGn),
   green: d3.scaleSequential(d3.interpolateGreens),
+  rainbow: d3.scaleSequential(d3.interpolateRainbow),
   monochrome: d3.scaleSequential(d3.interpolateGreys)
 };
 
 export function getColors(number: number) {
-  const scheme = colorSchemeMap.default;
-  const colors = d3.shuffle(
-    d3
-      .range(number)
-      .map((index: number) => (index < 12 ? c12[index] : d3.color(scheme((index - 12) / (number - 12))!)!.formatHex()))
-  );
-  return colors;
+  const scheme = colorSchemeMap.bright;
+  const colors = d3
+    .range(number)
+    .map(index => (index < 12 ? c12[index] : d3.color(scheme((index - 12) / (number - 12))!)!.formatHex()));
+  return d3.shuffle(colors);
 }
 
 export function getRandomColor(): Hex {
-  const rgb = colorSchemeMap.default(Math.random())!;
+  const scheme = colorSchemeMap.bright;
+  const rgb = scheme(Math.random())!;
   return d3.color(rgb)?.formatHex() as Hex;
 }
 
@@ -50,7 +49,7 @@ export function getMixedColor(hexColor: string, mixation = 0.2, bright = 0.3) {
 }
 
 export function getColorScheme(schemeName: string) {
-  return colorSchemeMap[schemeName] || colorSchemeMap.default;
+  return colorSchemeMap[schemeName] || colorSchemeMap.bright;
 }
 
 export function getHeightColor(height: number, scheme = getColorScheme("default")) {