The orthographic and perspective view windows allow you to view and edit your model in a 3D environment. The orthographic view uses orthographic parallel projection, and is used in the design and building phase. The perspective window uses perspective projection, giving the model a more 3D world feel. This is used once you've built the model and want to show it off.  Moving Around in the View To move around in the view, click-and-hold on the floor of the model, and drag the mouse around in the view. This will translate the camera. To rotate the view, right click-and-hold on the floor of the model and drag the mouse in different directions. To zoom in and out, hold down both the right and left mouse buttons and move the mouse up and down. You can also zoom in and out by scrolling the mouse wheel.  If you are working in a perspective view, you can also do a mouse guided fly through using the F7 key. Make sure the mouse is in the center of the window. Then press the F7 key. Move the mouse up and down to fly forward and backward. Move the mouse left and right to turn left and right. Once you are finished, click on the F7 button again to exit fly-through mode. It is sometimes easier to navigate if the view is configured as first person (from the [view settings window](Flexsim_Users_Manual.html)). Moving Objects To move an object in the X/Y plane, click-and-hold on the object and drag it to the desired location. To move the object in the z direction, click on it and scroll the mouse wheel. You can also hold both the left and right mouse buttons down on the object and drag it up and down.  To rotate the object, click on one of the three axis arrows with the right mouse button and drag the mouse up and down. To change the object's size, click on one of the three axis arrows with the left mouse button and drag the mouse up and down. If the three axis arrows are not showing, go to the Edit menu and select Resize and Rotate Objects.  Connecting Objects To connect two objects in the model, hold the 'A' key down, click-and-hold on one object, drag the mouse to the other object, and release the mouse button on that object. The 'A' connect method usually connects output ports to input ports, but you can also use other key connections. For instance, the 'Q' key is used for disconnecting. These and other keyboard options are described in detail in the [keyboard interaction section](Flexsim_Users_Manual.html). Another way to connect objects is to use the Connect Objects mode on the main toolbar. Having this mode selected allows you to create connections without holding the 'A' key. You can also create multiple connections in series. To do this, you hold 'A' or use Connect Objects mode , click an object, then click another object, then click another object, and so on. 聽 聽 聽 聽 Creating and Editing Selection Sets You can create selection sets to have operations apply to a whole set of objects. To add objects to the set, hold the Shift or Ctrl key down and drag a box around the objects that you want selected. Holding Shift down resets the selection set, while holding Ctrl down adds or removes the objects to the selection set. You can also hold Shift or Ctrl down and click on objects, instead of dragging a box around them. Another way to create selection sets is to use the New Selection mode on the main toolbar. This mode works the same as holding the Shift key down. The Toggle Selection mode works the same as holding the Ctrl key down.  Objects in the selection set are drawn with a red wire frame around them.  Once you have created a selection set, moving, rotating, and scaling one of the objects will cause the other objects in the selection set to be moved, rotated, or scaled as well. You can also perform several operations on the selection set from the [Edit Selected Objects menu](Flexsim_Users_Manual.html). Editing an Object's Properties To edit the [properties](Flexsim_Users_Manual.html) of an object, double click on the object or right click on it and select "Properties" from the pop-up menu.