Update README.md

added screenshot

README.md

@@ -9,7 +9,7 @@ To prepare to run the previewer, open the Dist folder in the terminal and run ``
 To run the previewer, run ```node .``` in a terminal from the dist folder. This will start the web server on localhost:8080
 
 When you open localhost:8080 in your web browser, the previewer will have the Iris dataset loaded in.
-It will display a fully interactable graph as well as the orthographic views for each side of the cube.
+It will display a fully interactable 3D scatterplot as well as the orthographic views for each side of the cube (scroll to see them).
 
 To add a dataset to the viewer, add the dataset's file into the folder Dist/datasets. Datasets are expected to formatted as comma separated values (csv).
 
@@ -25,3 +25,7 @@ To load the dataset into the viewer, fill out the form at the top of the page. T
   - The offset from the beginning of each entry which to load the x, y, and z values. None of the offsets should be the same, nor should they be greater than or equal to the dataset's dimension, or unexpected results will occur. These values are 0-indexed.
 
  Click the Load button to load the dataset. There is no indicator while the dataset is loading, but there will be an error message if it fails.
+
+The default view should look like this:
+
+![ScreenShot](3d-scatterplot-view.PNG)