3D holographic display and holographic object formation

1. A computer implemented method of creating a 3D (three-dimensional) holographic display in a device having a camera, holographic projectors and a display surface, the method comprising:

tracking by the camera an interactive device over the display;

determining by the camera a distance from the interactive device to the display;

responsive to an action by the interactive device, visually displaying by the holographic projectors a unit holographic object according to the action by the interactive device proximate to the interactive device and spaced from the display surface by the distance determined by the camera, wherein the unit holographic object is a 3D holographic image;

responsive to one or more additional actions by the interactive device, visually displaying by the holographic projectors additional unit holographic objects according to the one or more additional actions by the interactive device proximate to the unit holographic object so as to be visually displaying a plurality of unit holographic objects including the unit holographic object, wherein the additional unit holographic objects are each a 3D holographic image;

accumulating by the holographic projectors the plurality of unit holographic objects proximate to the display surface; and

determining an amount of accumulated unit holographic objects visually displayed by the holographic projectors until a resultant shape of the accumulated holographic objects is formed;

wherein the method is performed by a processor.

2. The method of claim 1 wherein visually displaying by the holographic projectors additional unit holographic objects appears visually to be the plurality of unit holographic objects falling from the interactive device toward the display surface.

3. The method of claim 1 further comprising configuring the unit holographic objects to include dimensions of the unit holographic objects and a material of the unit holographic objects.

4. The method of claim 3 wherein visually displaying by the holographic projectors a plurality of unit holographic objects includes using at least the dimension of the unit holographic objects in the visual displaying of the unit holographic objects.

5. The method of claim 1 further comprising determining by the camera according to a gesture of the interactive device over the display surface a rate of the unit holographic objects accumulating.

6. The method of claim 1 further identifying by the camera coordinates of the interactive device with respect to the display surface to identify where the holographic objects are accumulating on the display surface.

7. The method of claim 1 wherein the unit holographic objects are selected from the group of sand particles and magnetic particles.

8. A computer program product for creating a 3D (three-dimensional) holographic display in a device having a camera, holographic projectors and a display surface, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to perform a method comprising:

tracking by the camera an interactive device over the display;

determining by the camera a distance from the interactive device to the display;

responsive to an action by the interactive device, visually displaying by the holographic projectors a unit holographic object according to the action by the interactive device proximate to the interactive device and spaced from the display surface by the distance determined by the camera, wherein the unit holographic object is a 3D holographic image;

responsive to one or more additional actions by the interactive device, visually displaying by the holographic projectors additional unit holographic objects according to the one or more additional actions by the interactive device proximate to the unit holographic object so as to be visually displaying a plurality of unit holographic objects including the unit holographic object, wherein the additional unit holographic objects are each a 3D holographic image;

accumulating by the holographic projectors the plurality of unit holographic objects proximate to the display surface; and

determining an amount of accumulated unit holographic objects visually displayed by the holographic projectors until a resultant shape of the accumulated holographic objects is formed.

9. The computer program product of claim 8 wherein visually displaying by the holographic projectors additional unit holographic objects appears visually to be the plurality of unit holographic objects falling from the interactive device toward the display surface.

10. The computer program product of claim 8 wherein the method further comprising configuring the unit holographic objects to include dimensions of the unit holographic objects and a material of the unit holographic objects.

11. The computer program product of claim 10 wherein visually displaying by the holographic projectors a plurality of unit holographic objects includes using at least the dimension of the unit holographic objects in the visual displaying of the unit holographic objects.

12. The computer program product of claim 8 wherein the method further comprising determining by the camera according to a gesture of the interactive device over the display surface a rate of the unit holographic objects accumulating.

13. The computer program product of claim 8 further identifying by the camera coordinates of the interactive device with respect to the display surface to identify where the holographic objects are accumulating on the display surface.

14. A system for creating a 3D (three-dimensional) holographic display comprising:

a device having a camera, holographic projectors and a display surface;

a non-transitory storage medium that stores instructions; and

a processor that executes the instructions to perform:

tracking by the camera an interactive device over the display;

determining by the camera a distance from the interactive device to the display;

responsive to an action by the interactive device, visually displaying by the holographic projectors a unit holographic object according to the action by the interactive device proximate to the interactive device and spaced from the display surface by the distance determined by the camera, wherein the unit holographic object is a 3D holographic image;

responsive to one or more additional actions by the interactive device, visually displaying by the holographic projectors additional unit holographic objects according to the one or more additional actions by the interactive device proximate to the unit holographic object so as to be visually displaying a plurality of unit holographic objects including the unit holographic object, wherein the additional unit holographic objects are each a 3D holographic image;

accumulating by the holographic projectors the plurality of unit holographic objects proximate to the display surface; and

determining an amount of accumulated unit holographic objects visually displayed by the holographic projectors until a resultant shape of the accumulated holographic objects is formed.

15. The system of claim 14 wherein visually displaying by the holographic projectors additional unit holographic objects appears visually to be the plurality of unit holographic objects falling from the interactive device toward the display surface.

16. The system of claim 14 wherein the processor that executes the instructions to additionally perform configuring the unit holographic objects to include dimensions of the unit holographic objects and a material of the unit holographic objects.

17. The system of claim 16 wherein visually displaying by the holographic projectors a plurality of unit holographic objects includes using at least the dimension of the unit holographic objects in the visual displaying of the unit holographic objects.

18. The system of claim 14 wherein the processor that executes the instructions to additionally perform determining by the camera according to a gesture of the interactive device over the display surface a rate of the unit holographic objects accumulating.

19. The system of claim 14 further identifying by the camera coordinates of the interactive device with respect to the display surface to identify where the holographic objects are accumulating on the display surface.

20. The system of claim 14 wherein the unit holographic objects are selected from the group of sand particles and magnetic particles.