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    <title>topic ERROR when changing renderer for dynamic map layer. PLEASE HELP in ArcGIS JavaScript Maps SDK Questions</title>
    <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-changing-renderer-for-dynamic-map-layer/m-p/369419#M34275</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hello,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I met this error when changing the rendere for dynamic layer. I think I did everything right..&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;STRONG&gt;Resource interpreted as Image but transferred with MIME type text/plain.."http://...../arcgis/rest/services/.../.../MapSer???581%2C80.57984028028211&amp;amp;bboxSR=32611&amp;amp;imageSR=32611&amp;amp;size=1532%2C250&amp;amp;f=image".&lt;/STRONG&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;PRE class="plain" name="code"&gt;app.map = new Map("map"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var basemap = new esri.layers.ArcGISDynamicMapServiceLayer("http://xxx/arcgis/rest/servicesxxxx/MapServer"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; app.map.addLayer(basemap);&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; $("#submit").click(function(){ &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var classDef = new ClassBreaksDefinition(); &amp;nbsp;&amp;nbsp; classDef.classificationField = "attr1"; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.classificationMethod = "natural-breaks"; // always natural breaks &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.breakCount = 10; // always five classes &amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var colorRamp = new AlgorithmicColorRamp(); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; colorRamp.fromColor = new Color.fromHex("#ffffcc"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; colorRamp.toColor = new Color.fromHex("#006837"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; colorRamp.algorithm = "hsv"; // options are:&amp;nbsp; "cie-lab", "hsv", "lab-lch" &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.baseSymbol = new SimpleFillSymbol("solid", null, null); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.colorRamp = colorRamp; &amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var params = new GenerateRendererParameters(); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; params.classificationDefinition = classDef; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var generateRenderer = new GenerateRendererTask("http://xxxx/arcgis/rest/services/xxx/xxx/MapServer/0"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; generateRenderer.execute(params, applyRenderer, errorHandler); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; });&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; function applyRenderer(renderer) {&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var optionsArray = []; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var drawingOptions = new LayerDrawingOptions(); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; drawingOptions.renderer = renderer;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; optionsArray[1] = drawingOptions; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; basemap.setLayerDrawingOptions(optionsArray); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; basemap.refresh(); &amp;nbsp; }&lt;/PRE&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Sat, 16 Nov 2013 22:03:19 GMT</pubDate>
    <dc:creator>FangmingDu</dc:creator>
    <dc:date>2013-11-16T22:03:19Z</dc:date>
    <item>
      <title>ERROR when changing renderer for dynamic map layer. PLEASE HELP</title>
      <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-changing-renderer-for-dynamic-map-layer/m-p/369419#M34275</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hello,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I met this error when changing the rendere for dynamic layer. I think I did everything right..&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;STRONG&gt;Resource interpreted as Image but transferred with MIME type text/plain.."http://...../arcgis/rest/services/.../.../MapSer???581%2C80.57984028028211&amp;amp;bboxSR=32611&amp;amp;imageSR=32611&amp;amp;size=1532%2C250&amp;amp;f=image".&lt;/STRONG&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;PRE class="plain" name="code"&gt;app.map = new Map("map"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var basemap = new esri.layers.ArcGISDynamicMapServiceLayer("http://xxx/arcgis/rest/servicesxxxx/MapServer"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; app.map.addLayer(basemap);&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; $("#submit").click(function(){ &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var classDef = new ClassBreaksDefinition(); &amp;nbsp;&amp;nbsp; classDef.classificationField = "attr1"; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.classificationMethod = "natural-breaks"; // always natural breaks &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.breakCount = 10; // always five classes &amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var colorRamp = new AlgorithmicColorRamp(); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; colorRamp.fromColor = new Color.fromHex("#ffffcc"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; colorRamp.toColor = new Color.fromHex("#006837"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; colorRamp.algorithm = "hsv"; // options are:&amp;nbsp; "cie-lab", "hsv", "lab-lch" &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.baseSymbol = new SimpleFillSymbol("solid", null, null); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; classDef.colorRamp = colorRamp; &amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var params = new GenerateRendererParameters(); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; params.classificationDefinition = classDef; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var generateRenderer = new GenerateRendererTask("http://xxxx/arcgis/rest/services/xxx/xxx/MapServer/0"); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; generateRenderer.execute(params, applyRenderer, errorHandler); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; });&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; function applyRenderer(renderer) {&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var optionsArray = []; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; var drawingOptions = new LayerDrawingOptions(); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; drawingOptions.renderer = renderer;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; optionsArray[1] = drawingOptions; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; basemap.setLayerDrawingOptions(optionsArray); &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; basemap.refresh(); &amp;nbsp; }&lt;/PRE&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Sat, 16 Nov 2013 22:03:19 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-changing-renderer-for-dynamic-map-layer/m-p/369419#M34275</guid>
      <dc:creator>FangmingDu</dc:creator>
      <dc:date>2013-11-16T22:03:19Z</dc:date>
    </item>
    <item>
      <title>Re: ERROR when changing renderer for dynamic map layer. PLEASE HELP</title>
      <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-changing-renderer-for-dynamic-map-layer/m-p/369420#M34276</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Anyone got any ideas about this???&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Is this an error for ArcGIS server???&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;HELP Please!!!&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 19 Nov 2013 00:19:29 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-changing-renderer-for-dynamic-map-layer/m-p/369420#M34276</guid>
      <dc:creator>FangmingDu</dc:creator>
      <dc:date>2013-11-19T00:19:29Z</dc:date>
    </item>
    <item>
      <title>Re: ERROR when changing renderer for dynamic map layer. PLEASE HELP</title>
      <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-changing-renderer-for-dynamic-map-layer/m-p/369421#M34277</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Problem solved.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Need to change the setting of mapservice on the server side.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;A class="jive-link-external-small" href="http://resources.arcgis.com/en/help/main/10.1/index.html#//015400000570000000" rel="nofollow" target="_blank"&gt;Enabling dynamic layers on a map service in Manager&lt;/A&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 19 Nov 2013 01:11:02 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/error-when-changing-renderer-for-dynamic-map-layer/m-p/369421#M34277</guid>
      <dc:creator>FangmingDu</dc:creator>
      <dc:date>2013-11-19T01:11:02Z</dc:date>
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