CN112363684A - Three-dimensional image display method of LED three-dimensional stereoscopic display - Google Patents

Three-dimensional image display method of LED three-dimensional stereoscopic display Download PDF

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CN112363684A
CN112363684A CN202011380091.8A CN202011380091A CN112363684A CN 112363684 A CN112363684 A CN 112363684A CN 202011380091 A CN202011380091 A CN 202011380091A CN 112363684 A CN112363684 A CN 112363684A
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plane
dimensional
displaying along
box
diagonal line
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Inventor
陈志佳
刘香军
董宇飞
李槟
曹丽娜
林野
陈崇乙
戴甲夫
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Heilongjiang College of Construction
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Heilongjiang College of Construction
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
    • G06T2219/20—Indexing scheme for editing of 3D models
    • G06T2219/2012—Colour editing, changing, or manipulating; Use of colour codes

Abstract

The invention discloses a three-dimensional image display method of an LED three-dimensional stereoscopic display, and belongs to the technical field of three-dimensional LED stereoscopic display. The three-dimensional image display method includes the steps of: step one, constructing a cubic BOX in an LED cube to serve as a specified construction area of a three-dimensional image; step two, constructing a specified three-dimensional image in the cubic BOX; and step three, determining the direction attribute of the three-dimensional image. The invention innovatively realizes the definition of the space direction in the three-dimensional stereoscopic display, particularly the definition of the three-dimensional stereoscopic direction, and simultaneously defines the common operation and operation related to the direction so as to facilitate the designation of the positioning and moving direction of the graphic object displayed in the three-dimensional stereoscopic display. Regular graphic effect changes can be presented in the three-dimensional display space, and a good visual effect is presented.

Description

Three-dimensional image display method of LED three-dimensional stereoscopic display
Technical Field
The invention relates to a three-dimensional image display method of an LED three-dimensional stereoscopic display, belonging to the technical field of three-dimensional LED stereoscopic display.
Background
The existing graphic display and control methods all stay in two-dimensional space, and the existing three-dimensional graphic display and control methods are all three-dimensional graphics displayed on a two-dimensional plane display, but are not true three-dimensional graphics, which are called false three-dimensional and true two-dimensional. When defining a three-dimensional image, the operation instruction is often very complicated, and especially when defining the diagonal line and the diagonal movement direction of a three-dimensional geometric figure, very complex function support is needed. This makes editing of three-dimensional images on LED three-dimensional stereoscopic displays awkward.
Disclosure of Invention
The invention aims to provide a three-dimensional image display method of an LED three-dimensional stereoscopic display, which aims to solve the problems in the prior art.
A three-dimensional image display method of an LED three-dimensional stereoscopic display comprises the following steps:
step one, constructing a BOX in an LED cube to serve as a specified construction area of a three-dimensional image;
step two, constructing a specified three-dimensional image in the cubic BOX;
and step three, determining the direction attribute of the three-dimensional image.
Further, in the first step, the method for constructing the cubic BOX specifically includes:
respectively constructing a bottom Plane and a top Plane of the cubic BOX, so as to form the outline of the cubic BOX;
judging whether the edge of the cubic BOX is lightened or not;
and step three, judging whether the edges of the cubic BOX are filled or not, and selecting which filling mode.
Further, in step one, the bottom Plane and the top Plane are constructed in the following manner: the method comprises the steps of firstly determining vertex coordinates of four corners of a rectangular Plane, then determining whether an area enclosed by the four vertices is lightened, wherein the rectangular Plane is used for designating the area in an LED cube, namely, the purpose that a designated graph is displayed in the designated area is achieved, and a bottom Plane and a top Plane are parallel and corresponding to each other.
Further, in the first step three, the filling mode includes the following steps:
firstly, filling the cubic BOX is not performed;
secondly, completely filling the cubic BOX;
filling the side surfaces of the cubic BOX, wherein the top surface and the bottom surface are not filled;
in the fourth embodiment, each surface of the cube is filled, but the inside is not filled.
Further, in the second step, the three-dimensional image includes a three-dimensional bitmap, a sphere, a cylinder, and a cone.
Furthermore, the three-dimensional bitmap comprises a digital bitmap, a letter bitmap, a Chinese character bitmap and a user-defined bitmap, each three-dimensional bitmap is provided with a corresponding character matrix library, and the character matrix libraries are called and then displayed on the LED three-dimensional stereoscopic display.
Further, the method for constructing the sphere comprises the following steps: firstly, coordinates of a sphere center are specified in a specified cube BOX, then a sphere radius is specified, and finally whether the surface of the sphere is lightened or not and whether filling is carried out or not are judged.
Further, the construction method of the cylinder is as follows: firstly, determining the height of a cylinder to be constructed in a specified cubic BOX, then determining the circle center coordinates of the top surface and the bottom surface of the cylinder, determining the radius of the top surface and the bottom surface, finally judging whether the outline of the cylinder is lightened, and judging whether filling is carried out.
Further, the construction method of the cone comprises the following steps: firstly, determining the height of a cone to be constructed in a specified cube BOX, then determining the vertex coordinate and the center coordinate of the bottom surface of the cone, determining the radius of the bottom surface, finally judging whether the outline of the cone is lightened, and judging whether filling is carried out.
Further, in step three, specifically, the directional attribute includes:
an X axis: displaying along the negative direction of the X axis and displaying along the positive direction of the X axis;
y-axis: displaying along the negative direction of the Y axis and displaying along the positive direction of the Y axis;
z-axis: displaying along the negative direction of the Z axis and displaying along the positive direction of the Z axis;
XY plane: displaying along the negative direction of the diagonal line of the XY plane and displaying along the positive direction of the diagonal line of the XY plane;
YZ plane: displaying along the negative direction of the diagonal line of the YZ plane, and displaying along the positive direction of the diagonal line of the YZ plane;
the XZ plane: displaying along the negative direction of the diagonal line of the XZ plane and displaying along the positive direction of the diagonal line of the XZ plane;
the YX plane: displaying along the negative direction of the diagonal line of the YX plane and displaying along the positive direction of the diagonal line of the YX plane;
ZX plane: displaying along the negative direction of the diagonal line of the ZX plane and displaying along the positive direction of the diagonal line of the ZX plane;
ZY plane: displaying along the negative direction of the diagonal line of the ZY plane and displaying along the positive direction of the diagonal line of the ZY plane;
spatial diagonal: and displaying along the negative direction of the space diagonal and displaying along the positive direction of the space diagonal.
The main advantages of the invention are: the invention innovatively realizes the definition of the space direction in the three-dimensional stereoscopic display, particularly the definition of the three-dimensional stereoscopic direction, and simultaneously defines the common operation and operation related to the direction so as to facilitate the designation of the positioning and moving direction of the graphic object displayed in the three-dimensional stereoscopic display. Regular graphic effect changes can be presented in the three-dimensional display space, and a good visual effect is presented.
Drawings
FIG. 1 is a schematic diagram of a structure of an LED cube;
fig. 2 is a schematic diagram of a diagonal display.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A three-dimensional image display method of an LED three-dimensional stereoscopic display is based on an LED cube, wherein the scale of the LED cube is X _ DIM Y _ DIM Z _ DIM, and X _ DIM is the number of pixel points, namely columns, in the X-axis direction of the LED cube; y _ DIM is the number of pixel points in the Y-axis direction of the LED cube, namely the number of rows; z _ DIM is the number of pixels in the Z-axis direction of the 3D cube, namely the number of layers; each pixel point in the LED cube is represented by three-dimensional coordinates (X, Y, Z), wherein X < X _ DIM, Y < Y _ DIM, Z < Z _ DIM, and the leftmost lower LED is taken as the origin of coordinates, and the following method is represented by a plurality of special planes: x is n face: all the x is the plane formed by the n pixel points; y is n face: all the y is equal to the n and the pixel points form a plane; and z is n face: the three-dimensional image display method comprises the following steps of:
step one, constructing a cubic BOX in an LED cube to serve as a specified construction area of a three-dimensional image;
step two, constructing a specified three-dimensional image in the cubic BOX;
and step three, determining the direction attribute of the three-dimensional image.
Specifically, although the present invention protects a display method of a three-dimensional image, the direction attribute is applicable to all graphics (including one-dimensional and two-dimensional graphics), and the direction attribute includes a display direction attribute (i.e., an LED lighting direction), and particularly specifies a panning direction in the present invention.
Further, in the first step, the method for constructing the cubic BOX specifically includes:
respectively constructing a bottom Plane and a top Plane of the cubic BOX, so as to form the outline of the cubic BOX;
judging whether the edge of the cubic BOX is lightened or not;
and step three, judging whether the edges of the cubic BOX are filled or not, and selecting which filling mode.
Specifically, the specific display control procedure of the cubic BOX is as follows:
Figure BDA0002809132850000041
further, in step one, the bottom Plane and the top Plane are constructed in the following manner: the method comprises the steps of firstly determining vertex coordinates of four corners of a rectangular Plane, then determining whether an area enclosed by the four vertices is lightened, wherein the rectangular Plane is used for designating the area in an LED cube, namely, the purpose that a designated graph is displayed in the designated area is achieved, and a bottom Plane and a top Plane are parallel and corresponding to each other.
Specifically, the specific display control program of the planar is as follows:
Figure BDA0002809132850000051
further, in the first step three, the filling mode includes the following steps:
firstly, filling the cubic BOX is not performed;
secondly, completely filling the cubic BOX;
filling the side surfaces of the cubic BOX, wherein the top surface and the bottom surface are not filled;
in the fourth embodiment, each surface of the cube is filled, but the inside is not filled.
Further, in the second step, the three-dimensional image includes a three-dimensional bitmap, a sphere, a cylinder, and a cone.
Furthermore, the three-dimensional bitmap comprises a digital bitmap, a letter bitmap, a Chinese character bitmap and a user-defined bitmap, each three-dimensional bitmap is provided with a corresponding character matrix library, and the character matrix libraries are called and then displayed on the LED three-dimensional stereoscopic display.
Further, the method for constructing the sphere comprises the following steps: firstly, coordinates of a sphere center are specified in a specified cube BOX, then a sphere radius is specified, and finally whether the surface of the sphere is lightened or not and whether filling is carried out or not are judged.
Specifically, the specific display control program of the sphere is as follows:
Figure BDA0002809132850000052
Figure BDA0002809132850000061
further, the construction method of the cylinder is as follows: firstly, determining the height of a cylinder to be constructed in a specified cubic BOX, then determining the circle center coordinates of the top surface and the bottom surface of the cylinder, determining the radius of the top surface and the bottom surface, finally judging whether the outline of the cylinder is lightened, and judging whether filling is carried out.
Specifically, the specific display control program of the cylinder is as follows:
Figure BDA0002809132850000062
further, the construction method of the cone comprises the following steps: firstly, determining the height of a cone to be constructed in a specified cube BOX, then determining the vertex coordinate and the center coordinate of the bottom surface of the cone, determining the radius of the bottom surface, finally judging whether the outline of the cone is lightened, and judging whether filling is carried out.
Specifically, the concrete display control program of the cone is as follows:
Figure BDA0002809132850000063
in summary, it can be seen that:
the actual procedures of the cylinder and the cone are defined, and after the BOX is specified, two construction procedures of the cylinder and the cone are called directly.
Further, in step three, specifically, the directional attribute includes:
an X axis: displaying along the negative direction of the X axis and displaying along the positive direction of the X axis;
y-axis: displaying along the negative direction of the Y axis and displaying along the positive direction of the Y axis;
z-axis: displaying along the negative direction of the Z axis and displaying along the positive direction of the Z axis;
XY plane: displaying along the negative direction of the diagonal line of the XY plane and displaying along the positive direction of the diagonal line of the XY plane;
YZ plane: displaying along the negative direction of the diagonal line of the YZ plane, and displaying along the positive direction of the diagonal line of the YZ plane;
the XZ plane: displaying along the negative direction of the diagonal line of the XZ plane and displaying along the positive direction of the diagonal line of the XZ plane;
the YX plane: displaying along the negative direction of the diagonal line of the YX plane and displaying along the positive direction of the diagonal line of the YX plane;
ZX plane: displaying along the negative direction of the diagonal line of the ZX plane and displaying along the positive direction of the diagonal line of the ZX plane;
ZY plane: displaying along the negative direction of the diagonal line of the ZY plane and displaying along the positive direction of the diagonal line of the ZY plane;
spatial diagonal: and displaying along the negative direction of the space diagonal and displaying along the positive direction of the space diagonal.
Specifically, the following are defined values of the respective directional attributes:
Figure BDA0002809132850000071
Figure BDA0002809132850000081
Figure BDA0002809132850000091

Claims (10)

1. a three-dimensional image display method of an LED three-dimensional stereoscopic display is characterized by comprising the following steps:
step one, constructing a BOX in an LED cube to serve as a specified construction area of a three-dimensional image;
step two, constructing a specified three-dimensional image in the cubic BOX;
and step three, determining the direction attribute of the three-dimensional image.
2. The method as claimed in claim 1, wherein in the step one, the method for constructing the cubic BOX is as follows:
respectively constructing a bottom Plane and a top Plane of the BOX, thereby forming the outline of the BOX;
judging whether the edge of the BOX is lightened or not;
and step three, judging whether the edge of the BOX is filled or not, and selecting which filling mode.
3. The method as claimed in claim 2, wherein the bottom Plane and the top Plane are constructed in a manner that: the method comprises the steps of firstly determining vertex coordinates of four corners of a rectangular Plane, then determining whether an area enclosed by the four vertices is lightened, wherein the rectangular Plane is used for designating the area in an LED cube, namely, the purpose that a designated graph is displayed in the designated area is achieved, and a bottom Plane and a top Plane are parallel and corresponding to each other.
4. The method as claimed in claim 2, wherein in the step one or three, the filling manner includes the following steps:
the method I is not to fill the BOX;
filling the BOX completely in a second mode;
filling the lateral surface of the BOX, wherein the top surface and the bottom surface are not filled;
in the fourth embodiment, each surface of the cube is filled, but the inside is not filled.
5. The method as claimed in claim 1, wherein in step two, the three-dimensional image includes a three-dimensional bitmap, a sphere, a cylinder and a cone.
6. The method as claimed in claim 5, wherein the three-dimensional bitmap includes a digital bitmap, a letter bitmap, a Chinese character bitmap, and a user-defined bitmap, and a user can create a corresponding font library for the three-dimensional bitmap and call the font library to display the three-dimensional bitmap on the LED three-dimensional stereoscopic display.
7. The method as claimed in claim 5, wherein the sphere is constructed by: firstly, coordinates of a sphere center are appointed in an appointed BOX, then the radius of the sphere is appointed, and finally whether the surface of the sphere is lightened or not and whether filling is carried out or not are judged.
8. The method as claimed in claim 5, wherein the cylindrical body is constructed by: firstly, determining the height of a cylinder to be constructed in a specified BOX, then determining the circle center coordinates of the top surface and the bottom surface of the cylinder, determining the radius of the top surface and the bottom surface, finally judging whether the outline of the cylinder is lightened, and judging whether filling is carried out.
9. The method as claimed in claim 5, wherein the cone is constructed by: firstly, determining the height of a cone to be constructed in a specified BOX, then determining the vertex coordinate and the bottom circle center coordinate of the cone, determining the radius of the bottom, finally judging whether the cone outline is lightened, and judging whether filling is carried out.
10. The method as claimed in claim 1, wherein in step three, the directional attributes include:
an X axis: displaying along the negative direction of the X axis and displaying along the positive direction of the X axis;
y-axis: displaying along the negative direction of the Y axis and displaying along the positive direction of the Y axis;
z-axis: displaying along the negative direction of the Z axis and displaying along the positive direction of the Z axis;
XY plane: displaying along the negative direction of the diagonal line of the XY plane and displaying along the positive direction of the diagonal line of the XY plane;
YZ plane: displaying along the negative direction of the diagonal line of the YZ plane, and displaying along the positive direction of the diagonal line of the YZ plane;
the XZ plane: displaying along the negative direction of the diagonal line of the XZ plane and displaying along the positive direction of the diagonal line of the XZ plane;
the YX plane: displaying along the negative direction of the diagonal line of the YX plane and displaying along the positive direction of the diagonal line of the YX plane;
ZX plane: displaying along the negative direction of the diagonal line of the ZX plane and displaying along the positive direction of the diagonal line of the ZX plane;
ZY plane: displaying along the negative direction of the diagonal line of the ZY plane and displaying along the positive direction of the diagonal line of the ZY plane;
spatial diagonal: the display is carried out along the negative direction of the body diagonal and the display is carried out along the positive direction of the body diagonal.
CN202011380091.8A 2020-12-01 2020-12-01 Three-dimensional image display method of LED three-dimensional stereoscopic display Pending CN112363684A (en)

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CN104575313A (en) * 2015-01-28 2015-04-29 广东海洋大学 Eight-level LED (light emitting diode) light cube display screen
CN211043834U (en) * 2019-12-24 2020-07-17 无锡视美乐科技股份有限公司 3D display screen, display device and AR display device

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