From b9d67e449fe0eb84568f131f8e54a889c1711127 Mon Sep 17 00:00:00 2001
From: rishabhknowss <rishabhrai1515@gmail.com>
Date: Thu, 6 Feb 2025 12:07:44 +0530
Subject: [PATCH 1/4] reduced max zoom

---
 src/js/netjsongraph.config.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/netjsongraph.config.js b/src/js/netjsongraph.config.js
index dbde0ce6..48e47bf2 100644
--- a/src/js/netjsongraph.config.js
+++ b/src/js/netjsongraph.config.js
@@ -238,7 +238,7 @@ const NetJSONGraphDefaultConfig = {
         "http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
       options: {
         minZoom: 3,
-        maxZoom: 32,
+        maxZoom: 18,
         attribution: `&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors,
          tiles offered by <a href="https://www.mapbox.com">Mapbox</a>`,
       },

From 3bf4061cb46806b0bbc8eeb7a2df55c45362b257 Mon Sep 17 00:00:00 2001
From: rishabhknowss <rishabhrai1515@gmail.com>
Date: Sun, 9 Feb 2025 14:45:47 +0530
Subject: [PATCH 2/4] maxZoom config

---
 examples/load_data_geo_extent/index.html |  4 +++-
 src/js/netjsongraph.config.js            |  5 +++++
 src/js/netjsongraph.render.js            | 16 +++++++++++++++-
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/examples/load_data_geo_extent/index.html b/examples/load_data_geo_extent/index.html
index c90915e8..00c5642c 100644
--- a/examples/load_data_geo_extent/index.html
+++ b/examples/load_data_geo_extent/index.html
@@ -72,11 +72,13 @@
     <script type="text/javascript">
       const map = new NetJSONGraph("http://localhost:3000/api/data/?page=1", {
         render: "map",
-        maxPointsFetched: 35,
         // set map initial state.
+        
         mapOptions: {
           center: [46.86764405052012, 19.675998687744144],
           zoom: 5,
+          maxZoom: 18,
+          zoomControl: true,
           nodeConfig: {
             label: {
               offset: [0, -10],
diff --git a/src/js/netjsongraph.config.js b/src/js/netjsongraph.config.js
index 48e47bf2..172aa305 100644
--- a/src/js/netjsongraph.config.js
+++ b/src/js/netjsongraph.config.js
@@ -1,3 +1,5 @@
+import { max } from "zrender/lib/core/vector";
+
 /**
  * Default options
  *
@@ -33,6 +35,8 @@ const NetJSONGraphDefaultConfig = {
   svgRender: false,
   switchMode: false,
   maxPointsFetched: 10000,
+  maxZoom : 18,
+  minZoom : 3,
   loadMoreAtZoomLevel: 9,
   clustering: false,
   clusteringThreshold: 100,
@@ -161,6 +165,7 @@ const NetJSONGraphDefaultConfig = {
   mapOptions: {
     roam: true,
     zoomAnimation: false,
+    maxZoom: 18,
     nodeConfig: {
       type: "scatter",
       label: {
diff --git a/src/js/netjsongraph.render.js b/src/js/netjsongraph.render.js
index 676350f1..1746079d 100644
--- a/src/js/netjsongraph.render.js
+++ b/src/js/netjsongraph.render.js
@@ -14,6 +14,7 @@ import "leaflet.markercluster/dist/MarkerCluster.Default.css";
 import "zrender/lib/svg/svg";
 
 import "../../lib/js/echarts-gl.min";
+import { max } from "zrender/lib/core/vector";
 
 class NetJSONGraphRender {
   /**
@@ -270,7 +271,7 @@ class NetJSONGraphRender {
     return {
       leaflet: {
         tiles: configs.mapTileConfig,
-        mapOptions: configs.mapOptions,
+        mapOptions: {...configs.mapOptions , maxZoom : configs.maxZoom },
       },
       series,
       ...configs.mapOptions.baseOptions,
@@ -597,6 +598,19 @@ class NetJSONGraphRender {
         }
       });
 
+
+      self.leaflet = self.echarts._api.getCoordinateSystems()[0].getLeaflet();
+      self.leaflet._zoomAnimated = false;
+  
+      self.leaflet.options.maxZoom = self.config.maxZoomLevel; 
+  
+      self.leaflet.on("zoomend", () => {
+        if (self.leaflet.getZoom() > self.config.maxZoomLevel) {
+          self.leaflet.setZoom(self.config.maxZoomLevel);
+        }
+      });
+  
+
       self.leaflet.on("zoomend", () => {
         if (self.leaflet.getZoom() < self.config.disableClusteringAtLevel) {
           const nodeData = self.utils.makeCluster(self);

From 507bf05542020c5c2527be42cffad8a0d015f33f Mon Sep 17 00:00:00 2001
From: rishabhknowss <rishabhrai1515@gmail.com>
Date: Sun, 9 Feb 2025 14:51:45 +0530
Subject: [PATCH 3/4] removed unnecessary imports

---
 src/js/netjsongraph.config.js | 2 --
 src/js/netjsongraph.render.js | 1 -
 2 files changed, 3 deletions(-)

diff --git a/src/js/netjsongraph.config.js b/src/js/netjsongraph.config.js
index 172aa305..a5ba5421 100644
--- a/src/js/netjsongraph.config.js
+++ b/src/js/netjsongraph.config.js
@@ -1,5 +1,3 @@
-import { max } from "zrender/lib/core/vector";
-
 /**
  * Default options
  *
diff --git a/src/js/netjsongraph.render.js b/src/js/netjsongraph.render.js
index 1746079d..0a744a4b 100644
--- a/src/js/netjsongraph.render.js
+++ b/src/js/netjsongraph.render.js
@@ -14,7 +14,6 @@ import "leaflet.markercluster/dist/MarkerCluster.Default.css";
 import "zrender/lib/svg/svg";
 
 import "../../lib/js/echarts-gl.min";
-import { max } from "zrender/lib/core/vector";
 
 class NetJSONGraphRender {
   /**

From c753dd23e9fef6de25615becc1dd345afa92fc8b Mon Sep 17 00:00:00 2001
From: rishabhknowss <rishabhrai1515@gmail.com>
Date: Sun, 9 Feb 2025 14:53:29 +0530
Subject: [PATCH 4/4] fixing example

---
 examples/load_data_geo_extent/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/load_data_geo_extent/index.html b/examples/load_data_geo_extent/index.html
index 00c5642c..7e1ee2a4 100644
--- a/examples/load_data_geo_extent/index.html
+++ b/examples/load_data_geo_extent/index.html
@@ -73,7 +73,7 @@
       const map = new NetJSONGraph("http://localhost:3000/api/data/?page=1", {
         render: "map",
         // set map initial state.
-        
+        maxPointsFetched: 35,
         mapOptions: {
           center: [46.86764405052012, 19.675998687744144],
           zoom: 5,