topic FeatureLayer rendering delay issue in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/featurelayer-rendering-delay-issue/m-p/270830#M24913 <HTML><HEAD></HEAD><BODY><P>I was going to use FeatureLayer with client-side graphics ("source" property) but faced with a significant rendering delay during layer initialization. Here is an example:&nbsp;<A class="link-titled" href="https://codepen.io/parshin/pen/gObVZvZ?editors=1000" title="https://codepen.io/parshin/pen/gObVZvZ?editors=1000">https://codepen.io/parshin/pen/gObVZvZ?editors=1000</A>&nbsp;</P><P>This example is based on&nbsp;<A href="https://developers.arcgis.com/javascript/latest/sample-code/custom-gl-visuals/index.html">Custom WebGL layer view</A>&nbsp;code sample with two additions:</P><OL><LI>FeatureLayer with labels is added in addition to the Custom WebGL Layer</LI><LI>Layers are added to the map by clicking on "Add Layers" button at the top right corner</LI></OL><P></P><P>The Custom WebGL layer is rendered almost immediately after pressing the button. The FeatureLayer (white labels) appears on the map only after several seconds.</P><P></P><P>Why does that delay happen? Is there any way to eliminate/reduce it?</P></BODY></HTML> Mon, 03 Feb 2020 16:30:43 GMT AlexanderParshin 2020-02-03T16:30:43Z FeatureLayer rendering delay issue https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/featurelayer-rendering-delay-issue/m-p/270830#M24913 <HTML><HEAD></HEAD><BODY><P>I was going to use FeatureLayer with client-side graphics ("source" property) but faced with a significant rendering delay during layer initialization. Here is an example:&nbsp;<A class="link-titled" href="https://codepen.io/parshin/pen/gObVZvZ?editors=1000" title="https://codepen.io/parshin/pen/gObVZvZ?editors=1000">https://codepen.io/parshin/pen/gObVZvZ?editors=1000</A>&nbsp;</P><P>This example is based on&nbsp;<A href="https://developers.arcgis.com/javascript/latest/sample-code/custom-gl-visuals/index.html">Custom WebGL layer view</A>&nbsp;code sample with two additions:</P><OL><LI>FeatureLayer with labels is added in addition to the Custom WebGL Layer</LI><LI>Layers are added to the map by clicking on "Add Layers" button at the top right corner</LI></OL><P></P><P>The Custom WebGL layer is rendered almost immediately after pressing the button. The FeatureLayer (white labels) appears on the map only after several seconds.</P><P></P><P>Why does that delay happen? Is there any way to eliminate/reduce it?</P></BODY></HTML> Mon, 03 Feb 2020 16:30:43 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/featurelayer-rendering-delay-issue/m-p/270830#M24913 AlexanderParshin 2020-02-03T16:30:43Z