CN102724535A - Displaying method of stereo-scanning 3D (three-dimensional) display - Google Patents

Abstract

The invention discloses a displaying method of a stereo-scanning 3D (three-dimensional) display. The displaying method comprises the following steps of: acquiring Cartesian coordinate data and color data of a 3D image by virtue of a data acquisition module; storing the acquired Cartesian coordinate data and color data into a data storage module in an (x, y, z, r, g, b) format; carrying out normalization processing on the Cartesian coordinate data through a data processing module; mapping the normalized Cartesian coordinate data to a cylindrical coordinate system through the data processing module, then mapping the normalized Cartesian coordinate data to a display screen coordinate system, and storing data of the cylindrical coordinate system and data of the display screen coordinate system into the data storage module; and transmitting the data of the display screen coordinate system to the display by virtue of the data processing module. Compared with the conventional technology, the stereo-scanning 3D display disclosed by the invention has various advantages of lifelike image, full visuality, multiple angle, simultaneous multi-user observation, real-time interaction and the like, and provides the method for acquiring the three picture source data, thereby expanding the application field of the stereo-scanning 3D display.

Description

A kind of display packing of swept-volume three dimensional display

Technical field

The invention belongs to computer vision and three-dimensional display field, relate in particular to a kind of display packing of swept-volume three dimensional display.

Background technology

Human obtain to the significant various information of body existence more than 80% from vision, along with the development of electronic computer technology, the display device of numerous and complicated arises at the historic moment.After A Fanda 3D film is born, declared that especially 3D shows the arriving in epoch, the three-dimensional RGB display of body is in recent years with the new product that emerges in large numbers, and it has image fidelity, full what comes into a driver's, multi-angle, many people observe simultaneously and numerous advantages such as real-time, interactive.The display that is different from line scanning mode on the market, it adopts dynamic swept-volume technology really to realize true three-dimensional display.

Yet this new product major part all is to be in test or scientific research stage; On the one hand be because higher (the higher led enormous amount that drives with display of the bandwidth ratio of transfer of data make the configuration of MCU with quantitatively require) of price and unsteadiness (the huge display screen of the rotation of high speed of mechanical structure on the hardware than higher; Its power is not second to wind stick; Overcome various dynamic balancing, safety measure and motor rotate the heat dissipation problem that brings for a long time under sealed environment); Bigger reason is the unicity (being confined to the model of single field or specific mathematical parameter) of film source selection or acquisition methods, has seriously limited his range of application.

Summary of the invention

The present invention has overcome the defective that limits for body Application of Three-dimensional Display scope in the prior art, has proposed a kind of display packing of swept-volume three dimensional display.Obtaining of 3D model data of the present invention will no longer receive environment, and the restriction of mathematic parameter can be applied to industry-by-industry to the swept-volume three dimensional display.

The present invention proposes a kind of display packing of swept-volume three dimensional display, comprising:

Step 1: adopt data acquisition module to obtain the cartesian coordinate data and the color data of 3-D view;

Step 2: the said cartesian coordinate data that will obtain and color data with (x, y, z, r, g, b) form deposits data memory module in;

Step 3: said cartesian coordinate data are carried out normalization through data processing module handle;

Step 4: said normalized cartesian coordinate data map is arrived cylindrical coordinate through said data processing module; Be mapped to again on the indicator screen coordinate system, and deposit said cylindrical coordinate data and indicator screen coordinate system data in said data memory module;

Step 5: said data processing module transfers to display with said indicator screen coordinate coefficient.

Wherein, in the said step 1, the method that said data acquisition module obtains data is following any one method:

Method A1: when said 3-D view is virtual objects, obtain the cartesian coordinate data and the color data of said virtual objects through the 3D modeling software;

Method A2: when said 3-D view is the set of cross section picture, set the cartesian coordinate data of said set, and according to the color data of the said set of luminance acquisition of said cross section picture; Or

Method A3: when said 3-D view is object in kind, utilize the image of at least five said objects in kind of camera acquisition, obtain said cartesian coordinate data and color data through three-dimensional reconstruction.

Wherein, the steps in sequence of normalization processing method comprises in the said step 3:

Step B1: the cartesian coordinate data according in the said data memory module are obtained x, y, the maximum of z coordinate direction and minimum value xmax, ymax, zmax, xmin, ymin, zmin;

Step B2: ask for the mean value of the maximum and the minimum value of said coordinate direction, obtain centre coordinate xcenter, ycenter, zcenter;

Step B3: said 3-D view is shifted, and said centre coordinate overlaps with the initial point of cartesian coordinate system.

Step B4: obtain said exploration on display resolution ratio Nh*Nv;

Step B5: ask for said x, y, the radius xradius of z coordinate direction, yradius, zradius;

Step B6: the zoom factor scale that asks for said 3-D view;

Step B7: according to said zoom factor scale said 3-D view is carried out proportional zoom, obtain said normalized cartesian coordinate data.

Wherein, among the said step B2, the computational methods of said centre coordinate, represent with following formula (I):

xcenter＝(xmax+xmin)/2；ycenter＝(ymax+ymin)/2；zcenter＝(zmax+zmin)/2； (I)

In the formula (I), xcenter, ycenter, zcenter are respectively the numerical value of said centre coordinate; Xmax, xmin are respectively the maximum and the minimum value of x coordinate direction in the said cartesian coordinate data; Ymax, ymin are respectively the maximum and the minimum value of y coordinate direction in the said cartesian coordinate data; Zmax, zmin are respectively the maximum and the minimum value of z coordinate direction in the said cartesian coordinate data.

Wherein, the computational methods of direction radius among the said step B5, represent with following formula (II):

xradius＝xmax-xmin；yradius＝ymax-ymin；zradius＝zmax-zmin； (II)

In the formula (II), xradius, xmax, xmin are respectively radius, maximum and the minimum value of said x coordinate direction; Yradius, ymax, ymin are respectively radius, maximum and the minimum value of said y coordinate direction; Zradius, zmax, zmin are respectively radius, maximum and the minimum value of said z coordinate direction.

Wherein, among the said step B5, said zoom factor scale representes with following formula (III):

$\mathrm{scale}=\left[\max (\frac{\sqrt{{\mathrm{<figure-callout\; id="2"\; label="xradius"\; filenames="HDA00001675693000031.png"\; state="\{\{state\}\}">xradius</figure-callout>}}^2+{\mathrm{<figure-callout\; id="2"\; label="yradius"\; filenames="HDA00001675693000031.png"\; state="\{\{state\}\}">yradius</figure-callout>}}^2}}{\mathrm{Nh}},\frac{\mathrm{zradius}}{\mathrm{Nv}})\right]+1---\left(\mathrm{III}\right)$

In the formula (III), scale is said zoom factor, xradius, and yradius, zradius are x, y, the radius of z coordinate direction, Nh and Nv are respectively said exploration on display resolution ratio Horizontal number of pixels and Vertical number of pixels.

Wherein, among the said step B7, said proportional zoom through with said coordinate data divided by said zoom factor, obtain said normalized coordinate data.

Wherein, in the said step 4, said coordinate data is mapped to cylindrical coordinate obtains said cylindrical coordinate data, represent with following formula (IV):

$\mathrm{\&rho;}=\sqrt{x^2+{\mathrm{<figure-callout\; id="2"\; label="y"\; filenames="HDA00001675693000031.png"\; state="\{\{state\}\}">y</figure-callout>}}^2};\mathrm{\&theta;}=\arctan (y/x);z=z;---\left(\mathrm{IV}\right)$

In the formula (IV), θ, ρ, z are respectively three coordinates of said cylindrical coordinate, and x, y, z are respectively said cartesian coordinate data.

Wherein, in the said step 4, said cylindrical coordinate is mapped to said indicator screen coordinate system obtains indicator screen coordinate system data, represent with following formula (V):

$h=\mathrm{Nv}/2-z;w=\left\{\begin{array}{cc}\mathrm{Nh}/2+\mathrm{\&rho;}& (\mathrm{\&theta;}>0)\\ \mathrm{Nh}/2-\mathrm{\&rho;}& (\mathrm{\&theta;}<0)\end{array}\right.;z=z;---\left(V\right)$

In the formula (V), h, w, θ are respectively three coordinates of said indicator screen coordinate system; θ, ρ, z are respectively three coordinates of said cylindrical coordinate; Nh and Nv are respectively said exploration on display resolution ratio Horizontal number of pixels and Vertical number of pixels.

Wherein, said cylindrical coordinate data according to (θ, ρ, z, r, g, form b) deposits said data memory module in; Said indicator screen coordinate system data according to (h, w, θ, r, g, form b) deposits said data memory module in.

Wherein, said data processing module passes through ICP/IP protocol with said indicator screen coordinate system transfer of data to said display.

Beneficial effect of the present invention comprises: the invention provides the acquisition methods of three kinds of picture source data, enlarged the application of swept-volume three dimensional display.Compare with conventional art, the present invention has image fidelity, full what comes into a driver's, multi-angle, many people observe simultaneously and numerous advantages such as real-time, interactive.

Description of drawings

Fig. 1 is the flow chart of swept-volume three dimensional display display packing of the present invention.

Fig. 2 is a data normalization schematic flow sheet of the present invention.

Fig. 3 is a data normalization schematic flow sheet in the present embodiment.

Fig. 4 is the sketch map of data search and assignment in the coordinate mapping of the present invention.

Embodiment

Below in conjunction with accompanying drawing and the further explain of embodiment specific embodiments of the invention, but should not limit protection scope of the present invention with this.

As shown in Figure 1, the display packing of a kind of swept-volume three dimensional display of the present invention comprises:

Step 1: adopt data acquisition module to obtain the coordinate data and the color data of 3-D view;

Step 2: with the data of obtaining with (x, y, z, r, g, b) form deposits data memory module in;

Step 3: coordinate data is carried out normalization through data processing module handle;

Step 4: through data processing module normalized coordinate data is mapped to cylindrical coordinate, is mapped to again on the indicator screen coordinate system, and deposit cylindrical coordinate data and indicator screen coordinate system data in data memory module;

Step 5: data processing module transfers to display with indicator screen coordinate coefficient.

In the step 1, the method that data acquisition module obtains picture source data comprises three kinds of data capture methods:

(1) for the part advertisement, some real non-existent objects such as animation or science fiction adopt ripe now 3D modeling software, for example 3DMAX.Building up the model generation a kind of is the file of suffix name with ASE, and it is a kind of illustrative script file, comprises network summit number, grid vertex coordinate, grid texture apex coordinate, the pinup picture that correspondence is played up, gridding method vectorial coordinate etc.The present invention only need therefrom read the grid vertex number, distributes a part of internal memory, and (x, y z) read respectively in the internal memory of opening up the grid vertex coordinate; (x y) goes to search according to this coordinate that RGB24 position RGB exists in the internal memory in the corresponding pinup picture to read grid texture apex coordinate again.Obtain the final coordinate form that needs (x, y, z, r, g, b).

(2) for the image data that obtains through the scanning cross section, for example the CT set of pictures of medical science aspect.For the X of each sheet CT picture, Y remains unchanged, and reads its corresponding brightness value and all gives its r, and g, b give each sheet corresponding z coordinate then, obtain the final coordinate form that needs (x, y, z, r, g, b).

(3) for the real object of reality, for example a teapot or a people.The present invention gathers three-dimensional body is promptly eliminated video camera with mathematical method lens distortion in real time with two video cameras; The angle and distance of adjustment video camera, the image that makes its output " go and aim at "; Image after two width of cloth calibrations mated draw disparity map; Method through triangulation is reduced to depth distance to chromaticity difference diagram, reaches the effect of three-dimensional reconstruction.Obtain the final coordinate form that needs (x, y, z, r, g, b).

As shown in Figure 2, in the step 3, coordinate data is followed successively by through the concrete steps that data processing module carries out the normalization processing:

Step B1: ask in data memory module with (x, y, z, r, g, the b) x of format, y, the maximum of z coordinate direction data and minimum value xmax, ymax, zmax, xmin, ymin, zmin.

Step B2: according to maximum and minimum value obtain whole object centre coordinate (zcenter), the computational methods of centre coordinate are suc as formula shown in (I) for xcenter, ycenter:

xcenter＝(xmax+xmin)/2；ycenter＝(ymax+ymin)/2；zcenter＝(zmax+zmin)/2 (I)

Step B3: the centre coordinate of whole object is moved on to the initial point of cartesian coordinate system, i.e. x=x-xcenter, y=y-ycenter, z=z-zcenter.

Step B4: obtain exploration on display resolution ratio Nh*Nv, Nh is the Horizontal number of pixels of monitor resolution, and Nv is the Vertical number of pixels of monitor resolution.

Step B5: maximum and minimum value according to three coordinate directions are asked for x, y, and the radius of z coordinate direction, shown in (II):

xradius＝(xmax-xmin)/2；yradius＝(ymax-ymin)/2；zradius＝(zmax-zmin)/2； (II)

Step B6: the zoom factor scale that asks for 3-D view according to monitor resolution:

According to judgment condition when the result be true time, after

round numbers as scale; When the result is a fictitious time, the zradius/Nv round numbers is scale.Scale adds 1 (scale=scale+1) on original numerical value, obtain zoom factor scale.

Step B7: according to zoom factor scale 3-D view is carried out proportional zoom, be stored in position data in the data memory module, obtain normalized cartesian coordinate data all divided by scale.

In the step 4, the concrete grammar of mapping is:

To cylindrical coordinate, mapping method is suc as formula shown in (IV) with the cartesian coordinate data map after the normalization:

$\mathrm{\&rho;}=\sqrt{x^2+{\mathrm{<figure-callout\; id="2"\; label="y"\; filenames="HDA00001675693000031.png"\; state="\{\{state\}\}">y</figure-callout>}}^2};\mathrm{\&theta;}=\arctan (y/x);z=z;---\left(\mathrm{IV}\right)$

The cylindrical coordinate data are traversed 179 according to angle from 0; Radius is from 1 half the to the screen width, highly from top to bottom, goes inquiry according to the cylindrical coordinate data that the coordinate of indicator screen coordinate system is stored in the data memory module; Following condition judgment: if h=k [i] .z; And | r*cos θ-k [i] .x|≤1, | r*sin θ-k [i] .y|≤1 o'clock, Δ=| r*cos θ-x|+|r*sin θ-y|; Stop when satisfying Δ＜0.5 search, give the color of corresponding indicator screen position this moment the correspondence position color value, i.e. k [i] .r, k [i] .g, k [i] .b gives (h, w, θ) color of position.If Δ >=0.5 item judges whether i=total is true, as for not, i+1 then, and continue aforementioned three condition judgment and operate; As be true, then give (0,0,0), and judge whether to travel through all θ the indicator screen color data of this position, r, if, finish inquiry, otherwise, changing θ, r continues aforementioned operation.Owing to be single sided board, when traversal finish the data of back 180 to 359 can be by 0 to 179 in acquisition promptly: (h, w, θ, r, g, b)=(h, 191-w, θ-180, r, g, b).(wherein k [i] .j represents in the double layer structure j element in i the minor structure body.)

The mapping relations of cylindrical coordinate and demonstration sub-screen coordinate system are suc as formula shown in (V):

$h=\mathrm{Nv}/2-z;w=\left\{\begin{array}{cc}\mathrm{Nh}/2+\mathrm{\&rho;}& (\mathrm{\&theta;}>0)\\ \mathrm{Nh}/2-\mathrm{\&rho;}& (\mathrm{\&theta;}<0)\end{array}\right.;z=z;---\left(V\right)$

Owing to be single sided board, when traversal finish the data of back 180 to 359 can be by 0 to 179 in acquisition promptly: (h, w, θ, r, g, b)=(h, 191-w, θ-180, r, g, b).

Compared with prior art, the inventive method need not consider that film source is the mathematic parameter of what field and object thereof, is applicable to the object of all spectra, has greatly improved the range of application of the three-dimensional RGB display of body, quickens 3D and shows development of times.

Embodiment:

In the present embodiment, for reproducing object, the resolution of the swept-volume true three-dimansioual display of employing is that Nh*Nv is 192*256 with a doll (for example, mascot " Hypon ").3 D stereo procedure for displaying to this doll is following:

At first, with data acquisition module obtain the 3D coordinate data of the cartesian form that will reproduce object and 24 corresponding RGB RGB data thereof (x, y, z, r, g, b).

Utilize 3DMAX to build the 3-D view of a Hypon, it is played up, derive the ASE file of engineering, only need therefrom read the grid vertex number with program sets up a double layer structure object k, and (x, y z) read respectively in the structure the grid vertex coordinate; (X Y) goes to search according to this coordinate that RGB24 position RGB exists in the structure in the corresponding pinup picture, is respectively: k [i] .x, k [i] .y, k [i] .z, k [i] .r, k [i] .g, k [i] .b to read grid texture apex coordinate again.With the coordinate data that reads and color data with (x, y, z, r, g, b) format is to data memory module.

Secondly, through data processing module coordinate data being carried out normalization handles:

As shown in Figure 3, in internal memory with (x, y, z, r, g, the b) data of format, X, Y, the data of three directions of Z ask for maximum and minimum value is xmax, ymax, zmax, xmin, ymin, zmin.Obtain whole object centre coordinate (xcenter, ycenter, zcenter).xcenter＝(xmax+xmin)/2；ycenter＝(ymax+ymin)/2；zcenter＝(zmax+zmin)/2

Object X, Y, the radius of Z direction is respectively xradius, yradius, zradius.

xradius＝(xmax-xmin)/2；yradius＝(ymax-ymin)/2；zradius＝(zmax-zmin)/2

With the centre coordinate of whole object one to the coordinate round dot, i.e. x=x-xcenter, y=y-zcenter, z=z-zcenter.The resolution (Nh*Nv) that combines indicator screen then; Ask for the proportionality coefficient scale of the convergent-divergent of object; Through condition judgment

when the result be true time;

round numbers is scale; The result is a fictitious time, and the zradius/256 round numbers is scale; Final scale=scale+1.Again with the cartesian coordinate data in the data memory module divided by scale, color data is constant, accomplishes the data normalization process.

Then, coordinate data is changed:

Cartesian coordinate data after the normalization from the cartesian coordinate form (x, y, z, r, g, b) transform to cylindrical coordinates form (θ, ρ, z, r, g, b) transform to again indicator screen (h, w, θ, r, g, b) concrete coordinate transformation process does,

By the cartesian coordinate form (x, y, z, r, g, b) be mapped to cylindrical coordinate form (θ, ρ, z, r, g, transformation for mula b) is:

$\mathrm{\&rho;}=\sqrt{x^2+{\mathrm{<figure-callout\; id="2"\; label="y"\; filenames="HDA00001675693000031.png"\; state="\{\{state\}\}">y</figure-callout>}}^2}$

θ＝arctgy/x

z＝z

By the form of cylindrical coordinates (θ, ρ, z, r, g, b) be mapped to again indicator screen (h, w, θ, r, g, transformation for mula b) is:

h＝Nv/2-z

$w=\left\{\begin{array}{cc}\mathrm{Nh}/2+\mathrm{\&rho;}& (\mathrm{\&theta;}>0)\\ \mathrm{Nh}/2-\mathrm{\&rho;}& (\mathrm{\&theta;}<0)\end{array}\right.$

z＝z

As shown in Figure 4, the cylindrical coordinate data are traversed 179 according to angle from 0, radius is from 1 half the to the screen width; Highly from top to bottom; Cylindrical coordinate data according to the coordinate of indicator screen coordinate system is stored in the data memory module are gone inquiry, following condition judgment: if h=k [i] .z, and | r*cos θ-k [i] .x|≤1; | r*sin θ-k [i] .y|≤1 o'clock, Δ=| r*cos θ-x|+|r*sin θ-y|; Stop when satisfying Δ＜0.5 search, give the color of corresponding indicator screen position this moment the correspondence position color value, i.e. k [i] .r, k [i] .g, k [i] .b gives (h, w, θ) color of position.If Δ >=0.5 item judges whether i=total is true, as for not, i+1 then, and continue aforementioned three condition judgment and operate; As be true, then give (0,0,0), and judge whether to travel through all θ the indicator screen color data of this position, r, if, finish inquiry, otherwise, changing θ, r continues aforementioned operation.Owing to be single sided board, when traversal finish the data of back 180 to 359 can be by 0 to 179 in acquisition promptly: (h, w, θ, r, g, b)=(h, 191-w, θ-180, r, g, b).

At last, pass to display through the ICP/IP protocol layer after arranging the circuit structure of the data installation actual hardware that generates once.

The result shows that the present invention has obtained implementation result preferably, and 3-D view is presented at the moment, has realized three-dimensional reconstruction and demonstration well.Compare with conventional art, the present invention has image fidelity, full what comes into a driver's, multi-angle, many people observe simultaneously and numerous advantages such as real-time, interactive.

More than being merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention.Have common knowledge the knowledgeable in the technical field under any, do not breaking away from the spirit and scope of the present invention, when doing various changes and retouching, protection range of the present invention should be as the criterion with the protection range that claims were defined.

Claims (11)

1. the display packing of a swept-volume three dimensional display is characterized in that, comprising:

Step 1: adopt data acquisition module to obtain the cartesian coordinate data and the color data of 3-D view;

Step 2: the said cartesian coordinate data that will obtain and color data with (x, y, z, r, g, b) form deposits data memory module in;

Step 3: said cartesian coordinate data are carried out normalization through data processing module handle;

Step 4: said normalized cartesian coordinate data map is arrived cylindrical coordinate through said data processing module; Be mapped to again on the indicator screen coordinate system, and deposit said cylindrical coordinate data and indicator screen coordinate system data in said data memory module;

Step 5: said data processing module transfers to display with said indicator screen coordinate coefficient.

2. the display packing of swept-volume three dimensional display as claimed in claim 1 is characterized in that, in the said step 1, the method that said data acquisition module obtains data is following any one method:

Method A1: when said 3-D view is virtual objects, obtain the cartesian coordinate data and the color data of said virtual objects through the 3D modeling software;

Method A2: when said 3-D view is the set of cross section picture, set the cartesian coordinate data of said set, and according to the color data of the said set of luminance acquisition of said cross section picture; Or

Method A3: when said 3-D view is object in kind, utilize the image of at least five said objects in kind of camera acquisition, obtain said cartesian coordinate data and color data through three-dimensional reconstruction.

3. the display packing of swept-volume three dimensional display as claimed in claim 1 is characterized in that, the steps in sequence of normalization processing method comprises in the said step 3:

Step B1: the cartesian coordinate data according in the said data memory module are obtained x, y, the maximum of z coordinate direction and minimum value xmax, ymax, zmax, xmin, ymin, zmin;

Step B2: ask for the mean value of the maximum and the minimum value of said coordinate direction, obtain centre coordinate xcenter, ycenter, zcenter;

Step B3: said 3-D view is shifted, and said centre coordinate overlaps with the initial point of cartesian coordinate system;

Step B4: obtain said exploration on display resolution ratio Nh*Nv;

Step B5: ask for said x, y, the radius xradius of z coordinate direction, yradius, zradius;

Step B6: the zoom factor scale that asks for said 3-D view;

Step B7: according to said zoom factor scale said 3-D view is carried out proportional zoom, obtain said normalized cartesian coordinate data.

4. the display packing of swept-volume three dimensional display as claimed in claim 3 is characterized in that, among the said step B2, and the computational methods of said centre coordinate, represent with following formula (I):

xcenter＝(xmax+xmin)/2；ycenter＝(ymax+ymin)/2；zcenter＝(zmax+zmin)/2； (I)

In the formula (I), xcenter, ycenter, zcenter are respectively the numerical value of said centre coordinate; Xmax, xmin are respectively the maximum and the minimum value of x coordinate direction in the said cartesian coordinate data; Ymax, ymin are respectively the maximum and the minimum value of y coordinate direction in the said cartesian coordinate data; Zmax, zmin are respectively the maximum and the minimum value of z coordinate direction in the said cartesian coordinate data.

5. the display packing of swept-volume three dimensional display as claimed in claim 3 is characterized in that, the computational methods of direction radius among the said step B5 are represented with following formula (II):

xradius＝xmax-xmin；yradius＝ymax-ymin；zradius＝zmax-zmin； (II)

In the formula (II), xradius, xmax, xmin are respectively radius, maximum and the minimum value of said x coordinate direction; Yradius, ymax, ymin are respectively radius, maximum and the minimum value of said y coordinate direction; Zradius, zmax, zmin are respectively radius, maximum and the minimum value of said z coordinate direction.

6. the display packing of swept-volume three dimensional display as claimed in claim 5 is characterized in that, among the said step B5, said zoom factor scale representes with following formula (III):

$\mathrm{scale}=\left[\max (\frac{\sqrt{{\mathrm{xradius}}^2+{\mathrm{yradius}}^2}}{\mathrm{Nh}},\frac{\mathrm{zradius}}{\mathrm{Nv}})\right]+1---\left(\mathrm{III}\right)$

In the formula (III), scale is said zoom factor, xradius, and yradius, zradius are x, y, the radius of z coordinate direction, Nh and Nv are respectively said exploration on display resolution ratio Horizontal number of pixels and Vertical number of pixels.

7. the display packing of swept-volume three dimensional display as claimed in claim 6 is characterized in that, among the said step B7, said proportional zoom through with said coordinate data divided by said zoom factor, obtain said normalized coordinate data.

8. the display packing of swept-volume three dimensional display as claimed in claim 1 is characterized in that, in the said step 4, said coordinate data is mapped to cylindrical coordinate obtain said cylindrical coordinate data, representes with following formula (IV):

$\mathrm{\&rho;}=\sqrt{x^2+y^2};\mathrm{\&theta;}=\arctan (y/x);z=z;---\left(\mathrm{IV}\right)$

In the formula (IV), θ, ρ, z are respectively three coordinates of said cylindrical coordinate, and x, y, z are respectively said cartesian coordinate data.

9. the display packing of swept-volume three dimensional display as claimed in claim 1 is characterized in that, in the said step 4, said cylindrical coordinate is mapped to said indicator screen coordinate system obtain indicator screen coordinate system data, representes with following formula (V):

$h=\mathrm{Nv}/2-z;w=\left\{\begin{array}{cc}\mathrm{Nh}/2+\mathrm{\&rho;}& (\mathrm{\&theta;}>0)\\ \mathrm{Nh}/2-\mathrm{\&rho;}& (\mathrm{\&theta;}<0)\end{array}\right.;z=z;---\left(V\right)$

In the formula (V), h, w, θ are respectively three coordinates of said indicator screen coordinate system; θ, ρ, z are respectively three coordinates of said cylindrical coordinate; Nh and Nv are respectively said exploration on display resolution ratio Horizontal number of pixels and Vertical number of pixels.

10. like the display packing of claim 8 or 9 described swept-volume three dimensional displays, it is characterized in that, said cylindrical coordinate data according to (θ, ρ, z, r, g, form b) deposits said data memory module in; Said indicator screen coordinate system data according to (h, w, θ, r, g, form b) deposits said data memory module in.

11. the display packing of swept-volume three dimensional display as claimed in claim 1 is characterized in that, said data processing module passes through ICP/IP protocol with said indicator screen coordinate system transfer of data to said display.

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