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    <title>idea Improve ArcGIS Pro performance when loading large number of unique values for symbology in ArcGIS Pro Ideas</title>
    <link>https://community.esri.com/t5/arcgis-pro-ideas/improve-arcgis-pro-performance-when-loading-large/idi-p/1231109</link>
    <description>&lt;P&gt;I keep hitting a performance issue with ArcGIS Pro 3.0.2. I have a modern i7 computer with 32GB of Ram, so I'm pretty sure its not a hardware issue, or anything to do with graphic drivers.&lt;/P&gt;&lt;P&gt;I do a lot of work with mapping rivers and something that works flawlessly in ArcMap is to colour code the river network by a specific attribute, such as catchment ID. In large network layers there may be many thousands of catchment ID's which means you have many thousands of symbols.&lt;/P&gt;&lt;P&gt;ArcGIS Pro grinds to a halt when loading up &amp;gt;80,000 symbols to the point I just give up. Yet ArcMap loads that up no problem! How does a 32bit app out perform a modern, built from the ground up, 64bit app?&lt;/P&gt;&lt;P&gt;Now before you all start saying who would want to visualise 80,000 symbols in a map layout, well no-one, including me, BUT it's very useful to colour code the data as such when&amp;nbsp;&lt;EM&gt;analysing&lt;/EM&gt; the data and visually working out why something else is happening.&lt;/P&gt;&lt;P&gt;I've been throwing these sorts of symbology demands at ArcMap &lt;EM&gt;for years&lt;/EM&gt; and its never let me down!&lt;/P&gt;&lt;P&gt;ArcGIS Pro needs to be able to load up layers with tens of thousands of symbols in a couple of minutes, as right now I can't really do what I want to do.&lt;/P&gt;&lt;P&gt;As way of example ArcMap loads up 80,000 symbols in about 2 minutes, Pro has been chugging away for over 30 minutes and nothing...&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="DuncanHornby_0-1668382448879.png" style="width: 257px;"&gt;&lt;img src="https://community.esri.com/t5/image/serverpage/image-id/55862i27269D963D611A08/image-dimensions/257x104?v=v2" width="257" height="104" role="button" title="DuncanHornby_0-1668382448879.png" alt="DuncanHornby_0-1668382448879.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I'm going to bed...&amp;nbsp;&lt;span class="lia-unicode-emoji" title=":disappointed_face:"&gt;😞&lt;/span&gt;&lt;/P&gt;</description>
    <pubDate>Tue, 29 Nov 2022 15:35:15 GMT</pubDate>
    <dc:creator>DuncanHornby</dc:creator>
    <dc:date>2022-11-29T15:35:15Z</dc:date>
    <item>
      <title>Improve ArcGIS Pro performance when loading large number of unique values for symbology</title>
      <link>https://community.esri.com/t5/arcgis-pro-ideas/improve-arcgis-pro-performance-when-loading-large/idi-p/1231109</link>
      <description>&lt;P&gt;I keep hitting a performance issue with ArcGIS Pro 3.0.2. I have a modern i7 computer with 32GB of Ram, so I'm pretty sure its not a hardware issue, or anything to do with graphic drivers.&lt;/P&gt;&lt;P&gt;I do a lot of work with mapping rivers and something that works flawlessly in ArcMap is to colour code the river network by a specific attribute, such as catchment ID. In large network layers there may be many thousands of catchment ID's which means you have many thousands of symbols.&lt;/P&gt;&lt;P&gt;ArcGIS Pro grinds to a halt when loading up &amp;gt;80,000 symbols to the point I just give up. Yet ArcMap loads that up no problem! How does a 32bit app out perform a modern, built from the ground up, 64bit app?&lt;/P&gt;&lt;P&gt;Now before you all start saying who would want to visualise 80,000 symbols in a map layout, well no-one, including me, BUT it's very useful to colour code the data as such when&amp;nbsp;&lt;EM&gt;analysing&lt;/EM&gt; the data and visually working out why something else is happening.&lt;/P&gt;&lt;P&gt;I've been throwing these sorts of symbology demands at ArcMap &lt;EM&gt;for years&lt;/EM&gt; and its never let me down!&lt;/P&gt;&lt;P&gt;ArcGIS Pro needs to be able to load up layers with tens of thousands of symbols in a couple of minutes, as right now I can't really do what I want to do.&lt;/P&gt;&lt;P&gt;As way of example ArcMap loads up 80,000 symbols in about 2 minutes, Pro has been chugging away for over 30 minutes and nothing...&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="DuncanHornby_0-1668382448879.png" style="width: 257px;"&gt;&lt;img src="https://community.esri.com/t5/image/serverpage/image-id/55862i27269D963D611A08/image-dimensions/257x104?v=v2" width="257" height="104" role="button" title="DuncanHornby_0-1668382448879.png" alt="DuncanHornby_0-1668382448879.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I'm going to bed...&amp;nbsp;&lt;span class="lia-unicode-emoji" title=":disappointed_face:"&gt;😞&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Tue, 29 Nov 2022 15:35:15 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-pro-ideas/improve-arcgis-pro-performance-when-loading-large/idi-p/1231109</guid>
      <dc:creator>DuncanHornby</dc:creator>
      <dc:date>2022-11-29T15:35:15Z</dc:date>
    </item>
    <item>
      <title>Re: Improve ArcGIS Pro performance when loading large number of unique values for symbology - Status changed to: Implemented</title>
      <link>https://community.esri.com/t5/arcgis-pro-ideas/improve-arcgis-pro-performance-when-loading-large/idc-p/1283387#M24738</link>
      <description>&lt;P&gt;This Idea has been implemented in ArcGIS Pro 3.1.&amp;nbsp;Please see the &lt;A href="https://pro.arcgis.com/en/pro-app/latest/get-started/whats-new-in-arcgis-pro.htm" target="_blank" rel="noopener"&gt;What's New documentation&lt;/A&gt; for more new features in Pro 3.1.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 27 Apr 2023 15:29:21 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-pro-ideas/improve-arcgis-pro-performance-when-loading-large/idc-p/1283387#M24738</guid>
      <dc:creator>AmeliaBradshaw</dc:creator>
      <dc:date>2023-04-27T15:29:21Z</dc:date>
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