topic Re: How to read FieldTypeBlob from graphic.attributes in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-read-fieldtypeblob-from-graphic-attributes/m-p/458047#M42284 <HTML><HEAD></HEAD><BODY><SPAN>If the blob is an image, it's probably a </SPAN><A href="http://en.wikipedia.org/wiki/Base64">base64</A><SPAN> endcoded image, which means you can display it in your html by adding </SPAN><SPAN style="font-style:italic;">data:image/png;base64</SPAN><SPAN> in front of the string in a popup or somewhere else. Change image type based on what it is.</SPAN><BR /><BR /><SPAN>So as an infotemplate, you might write it as</SPAN><BR /><PRE __default_attr="plain" __jive_macro_name="code" class="jive_macro_code jive_text_macro">&lt;img src="data:image/gif;base64,${IMAGE_FIELDNAME}" /&gt;</PRE></BODY></HTML> Wed, 19 Jun 2013 12:38:17 GMT ReneRubalcava 2013-06-19T12:38:17Z How to read FieldTypeBlob from graphic.attributes https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-read-fieldtypeblob-from-graphic-attributes/m-p/458046#M42283 <HTML><HEAD></HEAD><BODY><SPAN>I've bytea field type in postgis database and bytea i.e Blob datatype is not displayed in graphic.attributes.</SPAN><BR /><SPAN>Using the rest service url the field has value &lt;blob&gt;.But I need to know how to read the blob value and display as images.</SPAN><BR /><A href="http://hostname/arcgis/rest/services/service/FeatureServer/1/1/htmlpopup">http://hostname/arcgis/rest/services/service/FeatureServer/1/1/htmlpopup</A><BR /><BR /><SPAN>Is it possible to read the blob value in arcgis javascript API?</SPAN></BODY></HTML> Wed, 19 Jun 2013 05:20:48 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-read-fieldtypeblob-from-graphic-attributes/m-p/458046#M42283 JosephineREgina 2013-06-19T05:20:48Z Re: How to read FieldTypeBlob from graphic.attributes https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-read-fieldtypeblob-from-graphic-attributes/m-p/458047#M42284 <HTML><HEAD></HEAD><BODY><SPAN>If the blob is an image, it's probably a </SPAN><A href="http://en.wikipedia.org/wiki/Base64">base64</A><SPAN> endcoded image, which means you can display it in your html by adding </SPAN><SPAN style="font-style:italic;">data:image/png;base64</SPAN><SPAN> in front of the string in a popup or somewhere else. Change image type based on what it is.</SPAN><BR /><BR /><SPAN>So as an infotemplate, you might write it as</SPAN><BR /><PRE __default_attr="plain" __jive_macro_name="code" class="jive_macro_code jive_text_macro">&lt;img src="data:image/gif;base64,${IMAGE_FIELDNAME}" /&gt;</PRE></BODY></HTML> Wed, 19 Jun 2013 12:38:17 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-read-fieldtypeblob-from-graphic-attributes/m-p/458047#M42284 ReneRubalcava 2013-06-19T12:38:17Z Re: How to read FieldTypeBlob from graphic.attributes https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-read-fieldtypeblob-from-graphic-attributes/m-p/458048#M42285 <HTML><HEAD></HEAD><BODY><SPAN>You might also find use for the dojox/encoding/base64 module</SPAN><BR /><BR /><A href="http://dojotoolkit.org/reference-guide/1.9/dojox/encoding/base64.html">http://dojotoolkit.org/reference-guide/1.9/dojox/encoding/base64.html</A></BODY></HTML> Wed, 19 Jun 2013 19:42:02 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/how-to-read-fieldtypeblob-from-graphic-attributes/m-p/458048#M42285 JacksonGilman1 2013-06-19T19:42:02Z