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572 appendix cFigure C.2 Left: The expanded Data Prompter window obtained by selecting Grid or ScatteredFile. Right: The File Browser window used to examine a data file.scalar type = float dependency = positions positions = regular,regular, 0, 1, 0, 1 endNow close all the Data Prompter windows.7. Program visualization with a visual editor: Next design the program foryour visualization by drawing lines to connect building blocks (modules).This is an example of visual programming in which drawing a flowchartreplaces writing lines of code.a. Press the button New Visual Program from the Data Explorer main window.TheVisual Program Editor window appears (Figure C.3 left). There is a blankspace to the right known as the canvas, upon which you will draw, and aset of Tools on the left. (We list the names of all the available tools in §C.3,with their descriptions available from DX’s built-in user’s manual.)b. Click on the + to the left of Import and Export. The box changes to- and opens up a list of categories. Select Import so that it remainshighlighted and then click near the top of the canvas. This should placethe Import module on the canvas (Figure C.3 left).c. Close Import and Export and open the Transformation box. Select AutoColorso that it remains highlighted and then click below the Import module.The AutoColor image that appears on the canvas will be used to color thesurface based on the z values.−101COPYRIGHT 2008, PRINCET O N UNIVE R S I T Y P R E S SEVALUATION COPY ONLY. NOT FOR USE IN COURSES.ALLpup_06.04 — 2008/2/15 — Page 572