 <H3>Special Instructions</H3><p> <p>None</p> <h3>Description</h3>  <p>The purpose of the CPI_Render test is to insure that Image Displays claiming to support the CPI profile can adequately interpret GSPS objects and render Image objects in accordance with the Attributes stored in the GSPS. The CPI profile requires that Image Displays support all Attributes available in a GSPS, including: <ol> <li>a selection of display area (i.e., zoom),</li> <li>spatial transformations,</li> <li>adjustments to the various LUTs (e.g., Modality, VOI, Presentation),</li> <li>display shutter settings of various types,</li> <li>graphical objects and text annotations in both image and screen coordinates,</li> <li>distinct graphical layers (e.g. color),</li> <li>frame selection (if the ID supports multi-frame image objects),</li> <li>selection of mask and contrast frames for subtraction (if the objects that the ID supports include subtraction, e.g. for angiographic image objects),</li> <li>bitmap overlays,</li> <li>etc.</li> </ol>  </p>   <p>For this test, an Image Display will be asked to render at least <strong>5 images + GSPS object</strong> from the Central Archive (Objects stored on a different archive are also accepted).  The Project Manager, not the participant,  will select which 5 image + GSPS objects will be rendered for test evaluation.  If the Project Manager has concerns about an Image Display's capabilities to render image + GSPS object combinations, the Project Manager may ask the participant to render more than 5 images.  The Project Manager may select image + GSPS objects similar to those provided for the MESA tests, and/or may select images stored onto the Central Archive by other participants (see the CPI_Archive test)</p>  <p>In order to find out the different GSPS objects available for rendering, one shall use the <a href=system_con_object.php target=OBJECT>object information page</a></p>  <p>An Image Display runs this test only one time for evaluation purposes.  However, participants are encouraged to experiment with rendering a variety of GPSP and associated image objects that will be available in the Central Archive to insure that their implementation can truly handle GSPS objects from multiple of vendors.  The Project Managers will announce which 5 image + GPSP objects will be used for evaluation after the first day of test, in order to give GSPS creators time to store their example images in the Central Archive.  Evaluations of this test cannot start until after this announcement is made.</p>  <h3>Evaluation</h3> <p>The project manager will check that the image objects are rendered correctly as specified in the GSPS objects, taking into account the capabilities of the Image Display (e.g. a grayscale display cannot be expected to render graphics in color). Monitors shall ask to compare the rendering of the object with the snapshots store in the object information section of Kudu.</p> 