CN103426195A - Method for generating three-dimensional virtual animation scenes watched through naked eyes - Google Patents
Method for generating three-dimensional virtual animation scenes watched through naked eyes Download PDFInfo
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Abstract
The invention provides a method for generating three-dimensional virtual animation scenes watched through naked eyes, and relates to machining of three-dimensional images with an animation effect. The method comprises the steps of measuring a display space, collecting information of the light environment of the display space, setting up a three-dimensional digital model of the three-dimensional space size of the display space, making virtual objects and cartoons needing to appear, rendering the made virtual objects and cartoons, setting projection in the display space, carrying out final proof-reading, and limiting watch angles and watch distances. The method combines an actual space and a virtual space, so that audiences do not need to wear any auxiliary devices to watch the three-dimensional virtual animation scenes through the naked eyes.
Description
Technical field
Technical scheme of the present invention includes the processing of the 3-D view of animation effect, specifically generates the method that bore hole is watched the three-dimensional cartoon scene.
Background technology
The 3D film is by wearing polarization, red indigo plant or shutter glasses, two pictures are incident upon respectively in people's eye, simultaneously because mute is not considered the combination with the site environment various factors, be easy to allow spectators can distinguish video pictures and realistic space, thereby that rises constantly putting on one's glasses, spectators just expect that the picture that all glasses are seen is not real, although they look so three-dimensional, we are just seeing a film.From the 3D film watch mode fully different, three-dimensional cartoon scene (3Dwall) be by reality the structure a default visual space, allow the audience watch on the vision of reserving is in advance watched a little.By various optical illusions, make the onlooker see various unconventional visual experiences.Because be plays in actual environment, and combining together in the spaces such as the video pictures of playing and real wall, just allows the people feel that this is not the image of one section video, but the object of necessary being.
CN1798350 discloses three-dimensional virtual image display device and method for displaying image, it is the stroboscopic principle of utilizing light, add that the light lines rotate in space, produce and a kind ofly take image radius as big or small light cylinder, its shortcoming is that the stereoeffect produced by rotary light can only be shown fixing a few picture group sheets, and its actual effect has just met in light horizontal direction 360 degree scopes, can see the positive effect of plane picture, it does not produce image the effect of three-dimensional in essence in space, just enlarged the angle of watching image, the bright image of a just pair that final human eye is watched.Secondly because its equipment can only be shown coarse light lines image, color is single does not allow the people produce real details impression to virtual image.Simultaneously its equipment does not have large-scale application, and it is very large that the volume of itself is subject to that the impact of its rotation motor can not do, the application space of having limited its equipment.
Summary of the invention
Technical matters to be solved by this invention is: the method that bore hole is watched the three-dimensional cartoon scene that generates is provided, by spacial flex is measured, by the data importing that measures to the virtual reappearance that carries out space in three-dimensional software, realistic space and Virtual Space are merged, allow spectators not need to wear any utility appliance and just can bore hole watch the three-dimensional cartoon scene.
The present invention solves this technical problem adopted technical scheme: generate the method that bore hole is watched the three-dimensional cartoon scene, step is:
The first step, measured spacial flex
(1) measurement of the three-dimensional space of spacial flex: with laser range finder and tape measure instrument, measure length, depth and the height of object in metope, ground, end face, column and all spacial flexs in spacial flex, unit remembers with millimeter, and error is between ± 5mm;
(2) to the quilt projection metope of spacial flex and the measurement of ground flat degree: with the forward vertical orientations, use laser plummet projecting laser grid, whether smooth the square crossing of observing the laser net ruling is, obtain degree of plainness for wall surface information, body of wall favours concavo-convex difference and is and can uses body of wall in ± 1cm scope, to push up orientation downward vertically, use laser plummet projecting laser grid, whether smooth the square crossing of observing the laser net ruling is, obtain ground flat degree information, terrain slope is and can uses ground in ± 1cm scope in concavo-convex difference, while base area plane materiel matter situation, reusing white inferior light emulsion paint coating is sprayed,
Second step, to the information acquisition of spacial flex luminous environment
Utilize the completely reflecting mirror face ball in the real spacial flex of spacial flex, take ten groups of ISO spherical static images from low to high with digital camera, the computing machine planar graph software development that imports again the above version of PhotoshopCS3 goes out high dynamic range images, for retaining the illumination information of scene high dynamic range;
The 3rd step, set up the three-dimensional digital model of the three-dimensional space of spacial flex
The related data of the spacial flex that the first step is recorded is input in the graphics software of graphics workstation, carry out the three-dimensional modeling of projection virtual image, build a three-dimensional digital model with the three-dimensional space of the spacial flex of real spacial flex geometric ratio in the graphics software of graphics workstation, introduce virtual spectators simultaneously, simulation spectators' motion path and exquisiteness are watched a little, after determining and watching space of points coordinate, create virtual video camera, as the perspective reference coordinate in space;
The 4th step, make and need the dummy object and the animation that occur
The three-dimensional digital model of the three-dimensional space of the spacial flex that the information of the spacial flex luminous environment that second step is obtained and the 3rd step obtain is input in the graphics software of graphics workstation, make and need the dummy object and the animation that occur, the dummy object occurred in this software will be with reference to real space ratio and position, according to metope or the ground of accepting the projection reflection, make to protrude or cave in and enter the body of metope, the body volume can not be greater than spatial volume, avoid producing the situation of formal space and real space contradiction, reach the accurate combination spatially of virtual and real object,
The 5th step, played up good dummy object and the animation made
Use second step according to accurately watching a little set virtual video camera, dummy object and the space environment of making animation are played up, the light information of playing up can directly be used the high dynamic range images of producing at the graphics software of graphics workstation in second step, the illumination spheroid is set in spacial flex or uses fully and make light source by oneself virtual scene is irradiated, to open in the graphics software of graphics workstation the renderer property for the indirect light photograph while playing up, the namely bounce-back of photon and attenuating, setting rendering image is the Sequence images image, by the frame rate more than per second 30 frames, played up, finally in video clipping software, carry out montage work, the image of playing up is output as to streaming media video file commonly used,
The 6th step, show setting at spacial flex, and carry out last proof-reading
Measured the body of wall size of the spacial flex that needs projection according to the first step, with projector, projected picture is projected to body of wall, until projected picture covers corresponding metope fully, the projected picture edge is docked in actual body of wall, and merge between many projected pictures and eliminate the boundary line that the picture stack produces, the putting position of projector be take and do not hindered that to watch be some criterion, can lie against ground or unsettled setting up, play while starting, all projector are connected with graphics workstation, the reproduction time that guarantees the three-dimensional animated video of every projector is synchronous,
The 7th step, limit viewing angle and viewing distance
In scope with picture central point viewing angle 45 degree, be all that effectively to watch scope, viewing distance be 5～500 meters, the picture area becomes the equal proportion growth with effectively watching the scope area, and the picture area is larger, effectively watches the scope area larger.
Above-mentioned generation bore hole is watched the method for three-dimensional cartoon scene, and digital camera used is the 5DMARK2 of Canon digital camera.
Above-mentioned generation bore hole is watched the method for three-dimensional cartoon scene, and graphics software used is MAYA or 3D max.
Above-mentioned generation bore hole is watched the method for three-dimensional cartoon scene, described watch a little take X, Y in space, Z triaxial coordinate direction value go intermediate value as best, and to set spectators' viewpoint height of standing be 160cm, sitting viewpoint height is 120cm.
Above-mentioned generation bore hole is watched the method for three-dimensional cartoon scene, describedly by the frame rate more than per second 30 frames, is played up, and preferred frame rate is per second 48 frames or per second 60 frames
Above-mentioned generation bore hole is watched the method for three-dimensional cartoon scene, and described the image of playing up is output as to streaming media video file commonly used is MP4, AVI, MOV or WMV file.
Above-mentioned generation bore hole is watched the method for three-dimensional cartoon scene, and described graphics workstation is that the HPz600 of Hewlett-Packard computing machine or Hewlett-Packard's HPz600 computing machine add hard disc player.
Above-mentioned generation bore hole is watched the method for three-dimensional cartoon scene, and related equipment is all by commercially available, and the method for operating of these equipment is that those skilled in the art can grasp.
The invention has the beneficial effects as follows: compared with prior art, the outstanding characteristics of the inventive method are, have more focused on the fusion of three-dimensional cartoon scene and site environment, do not need to wear any utility appliance, and spectators just can direct viewing.Its substantial principle is:
(1) visible sensation distance factor: human eye is in watching closely 2 meters left and right during object, angle between two and object is larger, need two different vision pictures to enter respectively two of left and right, and outside surpassing two meters, eyes more are tending towards parallel with the angle that object produces, so, beyond this distance, the picture difference that eyes are seen respectively is just so not large.So at this time just do not need two pictures having projected respectively human eye.
(2) throw in the medium factor: because video pictures is directly shown in reality really on medium, surrounding enviroment also are engaged togather with picture, be not show on the electronic equipments such as indicator screen or need to wear extra equipment, so spectators are psychological when watching, for the position that dummy object occurs, do not have one to prejudge, thus when virtual screen is shown out brain not go in advance to point out out this be the object of a vacation.
(3) shadow factor: any object confidence level visually depends on its feedback to the surrounding enviroment light source, by simulating or manually arrange one and the peripheral luminous environment be complementary, again dummy object is calculated according to this luminous environment fully, just obtained a vision object genuine and believable in this environment.
(4) perspective effect: because when starting most making, just select and watch a little in advance, according to this, watch the perspective reference point of a little removing to make the projection object.And computer graphical software is extremely accurate for the reproduction of having an X-rayed, so when picture is shown in specific spacial flex, and after the beholder stands and watches accordingly a little, the perspective of the video pictures looked over from eyes is consistent with the perspective of real space, and then the perspective deformation of object is all made according to this point.Fusion between the two finally causes people imperceptible and unmatched place of spacial flex the picture perspective.
Comprehensive above 4 key elements, finally formed the realization of the technique effect of the inventive method.
Compared with prior art, the marked improvement of the inventive method is, the inventive method generates bore hole and watches the three-dimensional cartoon scene not to be subject to space constraint, and more greatly more there is technology performance condition in space; The inventive method can be used for all kinds of site activities such as convention, artistic display, exhibition center, new media modern drama, on-the-spot performance or real estate Virtual Building sand table, make to show that content and spacial flex reach perfect fusion, the virtual reality visual effect is risen to a more real level.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
The overall scenario schematic diagram that Fig. 1 is the inventive method.
Fig. 2 concerns schematic diagram between major equipment in the inventive method.
Fig. 3 is the instrumentation plan of the inventive method to the spacial flex size.
The flatness schematic diagram of the measurement spacial flex that Fig. 4 is the inventive method.
The schematic diagram of the information acquisition to the spacial flex photoenvironment that Fig. 5 is the inventive method.
Concern schematic diagram between the viewing angle that Fig. 6 is the inventive method and video pictures.
Concern schematic diagram between the effective visible sensation scope that Fig. 7 is the inventive method and viewing distance.
In figure: 1. projector, 2. projection virtual image, 3. graphics workstation, 4. watch central point, 5. the best is watched scope, and 6. time level is watched scope, 7. the minimum scope of effectively watching, 8. laser range finder, 9. laser plummet, 10. completely reflecting mirror face ball, 11. digital camera, the actual virtual image of seeing of 12. human eyes, 13. miniature video dummy objects, 14. large-scale video dummy object, 15. have an X-rayed with projected image watching a little of matching.
Embodiment
Embodiment illustrated in fig. 1 showing, in the overall scenario of watching the three-dimensional animation, screening zone at the three-dimensional animation is settled projector 1, the installation position of projector 1 is selected to watch and being as the criterion not block the beholder, large-scale spacial flex can be positioned on the ground of spacial flex, the depth distance of spacial flex surpasses 10 meters substantially all putting on the ground, be less than this distance, consider that spectators can go to the projection front, stop projected picture, just be placed into the spacial flex top of beholder's overhead, perhaps place projector 1 with the spacial flex top as required on the ground of spacial flex simultaneously, the quantity that projector 1 uses becomes geometric ratio to increase according to shown picture the ratio of width to height, just show and place respectively three projector 1 with the spacial flex top on the ground simultaneously in Fig. 1, in reality is thrown in, the number of units that projector 1 uses is to calculate according to the Aspect Ratio size of metope, the length breadth ratio of general projected picture is 4:3's or 16:9., if in actual implementation process, the length breadth ratio of metope approaches 4:3's or 16:9, we just throw in a projection, if there is for example, 12:3 so needs the projected picture splicing of three 4:3, can be by that analogy, the crevice projection angle of projection, the final effects of demand of take is exactly less than projecting on metope of distortion, to be criterion by picture, there is an effective coverage of watching between the three-dimensional animated video that projector 1 is shown and spectators' viewing location.Viewing area is divided into watches central point 4, the best to watch scope 5, secondary scope 6 and the minimum scope 7 of effectively watching of watching.Shown the projection virtual image 2 at the metope mirrors of spacial flex in Fig. 1, the graphics workstation 3 of placing on the ground.
Embodiment illustrated in fig. 2ly show in the inventive method between major equipment that relation is, the spacial flex data that actual measurement is gone out, be input to the three-dimensional modeling that carries out projection virtual image 2 in the graphics software of graphics workstation 3, and making dummy object and animation, through after playing up test, be connected on projector 1 and shown.
Embodiment illustrated in fig. 3 showing, in instrumentation plan in the inventive method to the spacial flex size, use laser range finder 8 and tape measure instrument, measure length, depth and the height of object in metope, ground, end face, column and all spacial flexs in spacial flex, unit remembers with millimeter, and error is between ± 5mm.
Embodiment illustrated in fig. 4 showing the measuring method by projection metope and ground flat degree of spacial flex is, with the forward vertical orientations, use laser plummet 9 projecting laser grids, whether smooth the square crossing of observing the laser net ruling is, obtain degree of plainness for wall surface information, body of wall favours concavo-convex difference in ± 1cm scope, is operable body of wall.
Embodiment illustrated in fig. 5ly show that the information collecting method to the spacial flex photoenvironment of the inventive method is, utilize completely reflecting mirror face ball 10 in real spacial flex, use digital camera 11 fixedly to take ten groups of ISO spherical static images from low to high in seat in the plane, the computing machine planar graph software development that imports again the above version of PhotoshopCS3 goes out high dynamic range images, for retaining the illumination information of scene high dynamic range
Embodiment illustrated in fig. 6ly show that the viewing angle of the inventive method and the relation between video pictures are, use projector 1 that the projection virtual image 2 of making is shown in corresponding real spacial flex, the beholder stands and watches accordingly in scope, eyes are positioned at projected image perspective matches watches a little 15, combining visual angle, play medium, after visual effect that shadow and the several factors of perspective produce, the beholder has formed the impression of the actual virtual image of seeing 12 of the real human eye of a kind of solid after projection virtual image 2 is seen in brain.
Embodiment illustrated in fig. 7ly showing that the effective visible sensation scope of the inventive method and the relation between viewing distance are, is all that effectively to watch scope, viewing distance γ be 5～500 meters in the scope with picture central point α 45 degree.As in this figure, miniature video dummy object 13 watch 1/2nd the viewing distance γ place of watching central point 4 of central point 4 at large-scale video dummy object 14, visible, relatively miniature video dummy object 13 watches scope just little many than large-scale video dummy object 14, so the picture area becomes equal proportion to increase with effectively watching the range beta area, be that the picture area is larger, effectively watch the scope area larger.
The first step, measured spacial flex
(1) measurement of the three-dimensional space of spacial flex: with laser range finder 8 and tape measure instrument, measure to such an extent that the metope height in spacial flex is that 450cm, width 900cm and spatial depth are 720cm, error between ± 5mm,
(2) to the quilt projection metope of spacial flex and the measurement of ground flat degree: with the forward vertical orientations, use laser plummet 9 projecting laser grids, whether smooth the square crossing of observing the laser net ruling is, obtain degree of plainness for wall surface information, body of wall favours concavo-convex difference and is and can uses body of wall in ± 1cm scope, to push up orientation downward vertically, use laser plummet 9 projecting laser grids, whether smooth the square crossing of observing the laser net ruling is, obtain ground flat degree information, terrain slope is and can uses ground in ± 1cm scope in concavo-convex difference, while base area plane materiel matter situation, reusing white inferior light emulsion paint coating is sprayed,
Second step, to the information acquisition of spacial flex luminous environment
Utilize completely reflecting mirror face ball 10 in the real spacial flex of spacial flex, use the 5DMARK2 of Canon digital camera 11 to take ten groups of ISO spherical static images from low to high, the computing machine planar graph software development that imports again the above version of PhotoshopCS3 goes out high dynamic range images, for retaining the illumination information of scene high dynamic range;
The 3rd step, set up the three-dimensional digital model of the three-dimensional space of spacial flex
The related data of the spacial flex that the first step is recorded is input in the graphics software MAYA that graphics workstation 3 is the HPz600 of Hewlett-Packard computing machine, carry out the three-dimensional modeling of projection virtual image 2, build one with real spacial flex geometric ratio in the graphics software MAYA of graphics workstation 3, X-direction is 90 unit-sized, 45 unit-sized of y direction of principal axis, the cube three-dimensional digital model of 72 unit-sized of z axle, introduce virtual spectators simultaneously, simulation spectators' motion path and exquisiteness are watched a little, the locus that creates virtual video camera is x0, y60, z16, this position is all watches a position, in reality scene, be from the high 160cm of front body of wall center vertical range 600cm, as the perspective reference coordinate in space,
The 4th step, make and need the dummy object and the animation that occur
The three-dimensional digital model of the three-dimensional space of the spacial flex that the information of the spacial flex luminous environment that second step is obtained and the 3rd step obtain is input in the graphics software MAYA that graphics workstation 3 is the HPz600 of Hewlett-Packard computing machine, make and need the dummy object and the animation that occur, the dummy object occurred in this software will be with reference to real space ratio and position, according to metope or the ground of accepting the projection reflection, make to protrude or cave in and enter the body of metope, the body volume can not be greater than spatial volume, avoid producing the situation of formal space and real space contradiction, reach the accurate combination spatially of virtual and real object, the present embodiment is to create the spheroid of 10 units of a diameter in the front of virtual body of wall, carry out one section within the walls to wall by the displacement animation of Z-direction, the start frame locus is (x0, y25, z-12), the intermediate frame locus is (x0, y25, z10), the end frame locus is (x0, y25, z-12), 15 seconds of duration,
The 5th step, played up good dummy object and the animation made
Use second step according to accurately watching a little set virtual video camera, dummy object and the space environment of making animation are played up, the light information of playing up can directly be used the high dynamic range images of producing at the graphics software of graphics workstation in second step, the illumination spheroid is set in spacial flex or uses fully and make light source by oneself virtual scene is irradiated, to open in the graphics software of graphics workstation the renderer property for the indirect light photograph while playing up, the namely bounce-back of photon and attenuating, setting rendering image is the Sequence images image, by the frame rate more than per second 30 frames, played up, finally in video clipping software, carry out montage work, the image of playing up is output as to streaming media video file commonly used, in enforcement specific to the present embodiment, described graphics workstation 3 is the HPz600 of Hewlett-Packard computing machine, the virtual video camera that use sets is for playing up video camera, the high dynamic range images that second step is produced imports production environment light in scene, set the rendered picture size for the 1920x900 pixel, open overall light Render Options and the final Render Options of assembling, and start to play up, frame rate by per second 48 frames is played up, to surpass the physics refresh rate of human eye to image, picture format is the tga form, finally in video clipping software Premierer video clipping software, carry out montage work, output format is the MP4 file, use the H264 compression, compression ratio is 12000kbps.
The 6th step, show setting at spacial flex, and carry out last proof-reading
Measured the body of wall size of the spacial flex that needs projection according to the first step, with projector 1, projected picture is projected to body of wall, until projected picture covers corresponding metope fully, the projected picture edge is docked in actual body of wall, and merge between many projected pictures and eliminate the boundary line that the picture stack produces, use a NECPA500X+ projector 1 in the present embodiment, be positioned over that the spacial flex top is unsettled sets up, take and do not hinder that to watch be some criterion, distance is by projection metope 900cm, it is the HPz600 of Hewlett-Packard that this projector 1 is connected to HPZ600 model graphics workstation 3, it is 1920X1080 that display resolution is set, a 1920x900 pixel pure blue picture of projection on screen, adjust projector angle and focal length, alignd with four jiaos of actual metopes in 4 angles of blue picture, then show the video pictures that the 5th step completes, watch a little with X in space, Y, the intermediate value of getting of Z triaxial coordinate direction value is best, and to set spectators' viewpoint height of standing be 160cm, sitting viewpoint height is 120cm,
The 7th step, limit viewing angle and viewing distance
In scope with picture central point viewing angle 45 degree, be all that effectively to watch scope, viewing distance be 5～500 meters, the picture area becomes the equal proportion growth with effectively watching the scope area, and the picture area is larger, effectively watches the scope area larger.In the present embodiment, apart from 6 meters, projection metope center, use green adhesive tape to paste a cross shape on ground, paste diameter 1 an ecru annulus centered by cross, then take diameter as 2 meters stickup one red annulus.The cross center is for watching central point 4, and yellow annulus is that the best is watched scope 5, in red annulus, is the secondary scope 6 of watching.
Except following concrete data:
In the first step, the metope height of measuring in spacial flex is that 320cm, width 960cm and spatial depth are 1200cm.
In the 3rd step, building an X-direction in the graphics software 3D max of the HPz600 of the Hewlett-Packard computing machine in graphics workstation 3 is 9.6m, y direction of principal axis 3.2m, the cube three-dimensional digital model that the z direction of principal axis is the 12m size, introduce virtual spectators simultaneously, simulation spectators' motion path and exquisiteness are watched a little, the locus that creates virtual video camera is x0, y10, z16, this position is all watches a position, in reality scene, is from the high 160cm of front body of wall center vertical range 1000cm, as the perspective reference coordinate in space;
In the 4th step, create the spheroid of a diameter 1m in the front of virtual body of wall, carry out one section within the walls to wall by the displacement animation of Z-direction, the start frame locus is (x0, y2, z-1.2), the intermediate frame locus is (x0, y2.5, z1), the end frame locus is (x0, y2.5, z-1.2), 15 seconds of duration.
In the 5th step, set the rendered picture size for the 3072x768 pixel, frames per second speed is 60 frames, and picture format is the tga form.Open overall light Render Options and the final Render Options of assembling, use the virtual video camera set for playing up video camera, and start to play up.Sequence frame picture after having played up is imported in Premierer software and exports, by picture segmentation, be three equal parts, 15 pixels extend in every picture left and right, and do the transparency gradual change, it is per second 60 frames that output frame speed is set, and output format is avi file, uses the H264 compression, compression ratio is 24000kbps, finally obtains three of left, center, rights video file.
In the 6th step, graphics workstation 3 is that Hewlett-Packard's HPz600 computing machine adds three Eaget H8 high definition hard disc players, use three SANYO XP1000C projector 1, be positioned over spacial flex ground, its putting position be take and do not hindered that to watch be some criterion, distance is by projection metope 800cm, three projector 1 spacing 320cm, three projector 1 are connected respectively to three Eaget H8 high definition hard disc players in graphics workstation 3, by three of left, center, rights video file be transferred to respectively in graphics workstation 3 respectively in three locational every Eaget H8 high definition hard disc players, the resolution that above-mentioned every projector 1 is set is the 1024x768 pixel, successively from being projected the most left or the rightest splicing three width projected pictures of metope, finally determine that complete picture projects four angles of metope, middle intersection zone is without obviously stack or dislocation, can be shown, during projection, use a telepilot to choose three files is play simultaneously, can realize picture synchronization,
In the 7th step, at 10 meters, distance projection metope center, use green adhesive tape to paste a cross shape on ground, paste diameter 1.5 ecru annulus centered by cross, then take diameter as 3 meters stickup one red annulus.The cross center is for watching central point 4, and yellow annulus is that the best is watched scope 5, in red annulus, is the secondary scope 6 of watching.
Other are all with embodiment 1.
Except the image by playing up is output as the MOV video file, other are all with embodiment 1.
Embodiment 4
Except the image by playing up is output as the WMV video file, other are all with embodiment 2.
Equipment related in above-described embodiment is all by commercially available, and the method for operating of these equipment is that those skilled in the art can grasp.
Claims (7)
1. generate the method that bore hole is watched the three-dimensional cartoon scene, it is characterized in that step is:
The first step, measured spacial flex
(1) measurement of the three-dimensional space of spacial flex: with laser range finder and tape measure instrument, measure length, depth and the height of object in metope, ground, end face, column and all spacial flexs in spacial flex, unit remembers with millimeter, and error is between ± 5mm;
(2) to the quilt projection metope of spacial flex and the measurement of ground flat degree: with the forward vertical orientations, use laser plummet projecting laser grid, whether smooth the square crossing of observing the laser net ruling is, obtain degree of plainness for wall surface information, body of wall favours concavo-convex difference and is and can uses body of wall in ± 1cm scope, to push up orientation downward vertically, use laser plummet projecting laser grid, whether smooth the square crossing of observing the laser net ruling is, obtain ground flat degree information, terrain slope is and can uses ground in ± 1cm scope in concavo-convex difference, while base area plane materiel matter situation, reusing white inferior light emulsion paint coating is sprayed,
Second step, to the information acquisition of spacial flex luminous environment
Utilize the completely reflecting mirror face ball in the real spacial flex of spacial flex, take ten groups of ISO spherical static images from low to high with digital camera, the computing machine planar graph software development that imports again the above version of PhotoshopCS3 goes out high dynamic range images, for retaining the illumination information of scene high dynamic range;
The 3rd step, set up the three-dimensional digital model of the three-dimensional space of spacial flex
The related data of the spacial flex that the first step is recorded is input in the graphics software of graphics workstation, carry out the three-dimensional modeling of projection virtual image, build a three-dimensional digital model with the three-dimensional space of the spacial flex of real spacial flex geometric ratio in the graphics software of graphics workstation, introduce virtual spectators simultaneously, simulation spectators' motion path and exquisiteness are watched a little, after determining and watching space of points coordinate, create virtual video camera, as the perspective reference coordinate in space;
The 4th step, make and need the dummy object and the animation that occur
The three-dimensional digital model of the three-dimensional space of the spacial flex that the information of the spacial flex luminous environment that second step is obtained and the 3rd step obtain is input in the graphics software of graphics workstation, make and need the dummy object and the animation that occur, the dummy object occurred in this software will be with reference to real space ratio and position, according to metope or the ground of accepting the projection reflection, make to protrude or cave in and enter the body of metope, the body volume can not be greater than spatial volume, avoid producing the situation of formal space and real space contradiction, reach the accurate combination spatially of virtual and real object,
The 5th step, played up good dummy object and the animation made
Use second step according to accurately watching a little set virtual video camera, dummy object and the space environment of making animation are played up, the light information of playing up can directly be used the high dynamic range images of producing at the graphics software of graphics workstation in second step, the illumination spheroid is set in spacial flex or uses fully and make light source by oneself virtual scene is irradiated, to open in the graphics software of graphics workstation the renderer property for the indirect light photograph while playing up, the namely bounce-back of photon and attenuating, setting rendering image is the Sequence images image, by the frame rate more than per second 30 frames, played up, finally in video clipping software, carry out montage work, the image of playing up is output as to streaming media video file commonly used,
The 6th step, show setting at spacial flex, and carry out last proof-reading
Measured the body of wall size of the spacial flex that needs projection according to the first step, with projector, projected picture is projected to body of wall, until projected picture covers corresponding metope fully, the projected picture edge is docked in actual body of wall, and merge between many projected pictures and eliminate the boundary line that the picture stack produces, the putting position of projector be take and do not hindered that to watch be some criterion, can lie against ground or unsettled setting up, play while starting, all projector are connected with graphics workstation, the reproduction time that guarantees the three-dimensional animated video of every projector is synchronous,
The 7th step, limit viewing angle and viewing distance
In scope with picture central point viewing angle 45 degree, be all that effectively to watch scope, viewing distance be 5～500 meters, the picture area becomes the equal proportion growth with effectively watching the scope area, and the picture area is larger, effectively watches the scope area larger.
2. the method for watching the three-dimensional cartoon scene according to the said generation bore hole of claim 1 is characterized in that: digital camera used is the 5DMARK2 of Canon digital camera.
3. the method for watching the three-dimensional cartoon scene according to the said generation bore hole of claim 1 is characterized in that: graphics software used is MAYA or 3D max.
4. the method for watching the three-dimensional cartoon scene according to the said generation bore hole of claim 1, it is characterized in that: described watch a little take X, Y in space, Z triaxial coordinate direction value go intermediate value as best, and to set spectators' viewpoint height of standing be 160cm, sitting viewpoint height is 120cm.
5. the method for watching the three-dimensional cartoon scene according to the said generation bore hole of claim 1 is characterized in that: describedly by the frame rate more than per second 30 frames, played up, the frame rate of selecting is per second 48 frames or per second 60 frames.
6. the method for watching the three-dimensional cartoon scene according to the said generation bore hole of claim 1 is characterized in that: described the image of playing up is output as to streaming media video file commonly used is MP4, AVI, MOV or WMV file.
7. the method for watching the three-dimensional cartoon scene according to the said generation bore hole of claim 1 is characterized in that: described graphics workstation is that the HPz600 of Hewlett-Packard computing machine or Hewlett-Packard's HPz600 computing machine add hard disc player.
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