You can interact with Grasshopper parameters or edit the document layer table using the Fologram menu in mixed reality
Opening and closing the Fologram menu
On mobile devices you can tap the Fologram icon to open the menu. To display of the Fologram menu in mixed reality, look at your palm and slowly press the floating Fologram button. To close the menu, look at your palm and press the button again. If you’re having trouble pressing the menu button, ensure that you have calibrated the Hololens for your eyes. If you’re finding that looking at your palm does not reliably display the menu button, work in a well lit environment and remove any gloves you may be wearing.
Layers and Parameters panel
When you first connect a session, all visible layers will be synchronized with connected devices and appear in a list in the mixed reality menu. Hidden layers in your Rhino model are not synchronized by default. To synchronize all layers, toggle their visibility in Rhino while your device is connected to the session. Tapping on a layer in the menu will toggle the layer visibility in both Rhino and Fologram.
To view and edit grasshopper parameters, first synchronize any sliders, buttons, toggles or value lists you wish to edit by toggling the Fologram icon next to the parameter in Grasshopper. These parameters will then appear in the same panel above any synchronized layers.
Interacting with parameters
On mobile you can interact with parameters as you would other 2D touch UI. On Hololens, you interact with sliders, buttons and drop down lists in the menu using near touch or hand ray interactions. You can press buttons as if they were physical by slowly moving your finger through the button geometry. Fologram will highlight the button as your finger approaches, and then move the button to indicate when it has been pressed. To change a slider handle, move your finger to within the slider hitbox (within about an inch of the rail) then move your finger left and right to change the slider value. To stop changing the slider value, slowly withdraw your finger from the hitbox. To make precise changes to a slider value, use the stepper arrows to the right of the slider.
Sliders will increment in values that match those set in Grasshopper. To change the increment, right click the slider in Grasshopper and choose a new value.
Interacting with geometry
It is possible to detect touch and hand ray taps on geometry using the Button and Toggle components in Grasshopper. To tap on an object, hold your hand up in front of you until you see a white line (called a hand ray) extend out from your palm. Move your hand until the end of the hand ray hovers over the object you want to tap on and then pinch your thumb and fore finger together in a ‘tap’ gesture.
If you need to detect near-touch interactions with geometry in Grasshopper, use the Get Hand component and compare the distance between hand points and your target object.
Shared experiences
Interactions with Rhino and Grasshopper parameters are synchronized between all connected devices in real time.