How to change thumbnail size in Digitool

In Resource Discovery Brief/Full View

The display size of thumbnails in Resource Discovery is set  in dtl_start

At the terminal type:

>dtle (aliased to cd $dtle_root)

>vi dtl_start

Edit this section with the desired values:

#      general thumbnail settings

       setenv www_thumbnail_height         109

       setenv www_thumbnail_width          109

#

This sets the Maximum width/height of the pixels on the web page. (109x109 pixels by default).

To enable changes run Reload Repository Configuration. (Please be sure to make a backup copy of the file before editing)

To change the size of the actual thumbnail jpg files

This is set in repository_stream_handler.xml

At the terminal type:

>j_conf (aliased to cd $jdtlh_conf)

>vi repository_stream_handler.xml

In section: <stream_handler_utils>

For JPG

<stream_handler_util name="jpg_thumbnail" type="external_program" worker="run_jpg_thumbnail" script="true" params_pattern="-resize 150x150 '$1' '$2'">

                        <event_details event_type="Thumbnail Creation" event_details="Making a thumbnail from an image file" software_used="JMagick" />

For TIFF

<stream_handler_util name="tiff_thumbnail" type="external_program" worker="run_jpg_thumbnail" script="true" params_pattern="-resize 150x150 '$1[0]' '$2'">

                        <event_details event_type="Thumbnail Creation" event_details="Making a thumbnail from an tiff file" software_used="JMagick" />

                </stream_handler_util>

For JP2

<stream_handler_util name="jp2_thumbnail" type="external_program" worker="run_j2kdriver_thmb" script="true" params_pattern="'$1' -resize 150x150 '$2'">

                        <event_details event_type="Thumbnail Creation" event_details="Making a thumbnail from jp2 file" software_used="J2k-thumbnailserver" />

                </stream_handler_util>

For PDF

 <stream_handler_util name="pdf_thumbnail" type="external_program" worker="run_pdf_thumbnail" script="true" params_pattern="-resize 150x150 '$1[0]' '$2'">

                        <event_details event_type="Thumbnail Creation" event_details="Making a thumbnail from a pdf file" software_used="convert" />

                </stream_handler_util>

Change the -resize parameter to the desired value (default 150x150 pixels).

Run "Reload Repository Configuration" to make the changes come into effect.