CN103105929A - Interactive design and experience method of virtual agricultural park and system - Google Patents
Interactive design and experience method of virtual agricultural park and system Download PDFInfo
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Abstract
The invention relates to the technical field of virtual reality, and particularly relates to an interactive design and experience method of a virtual agricultural park and a system. First, a basic three-dimensional scene template base and a landscape element three-dimensional template of the virtual agricultural park are built, each basic three-dimensional scene is divided into functional areas, then, gestures selection of a user is tracked and identified to show a corresponding basic three-dimensional scene, and then, landscape element selection, dragging and dropping and rotating gestures of the user are continuously tracked and identified to respective show, shift and rotate landscape element three-dimensional templates corresponding to the gestures. The interactive design and experience method of the virtual agricultural park and the system can fully use convenience of human body gesture motion to ensure that interactive designs and experience of the virtual agricultural park are more natural and has more enjoyment, and satisfy application requirements of aided designs of the virtual agricultural park, virtual experience of farm operations and science popularization education to ensure that the user has more immersion. Meanwhile, the interactive design and experience method of the virtual agricultural park and the system have the advantages of being simple, easy to use and low in cost.
Description
Technical field
The present invention relates to the virtual reality technology field, be specifically related to a kind of virtual Agricultural Park Interactive Design and experiential method and system based on gesture identification.
Background technology
Has important using value in the application such as the design of virtual Agricultural Park and Interactive Experience are showed in advance in auxiliary programming design, the construct effects of biology of Agricultural Park, scheme contrast.Particularly in recent years along with the fast development of virtual reality technology, the researchist has developed various 3 d modeling software instruments and virtual scene interactive device, makes interaction design and virtual experience based on three-dimensional visualization be widely used in every field.
At present, the design great majority about virtual scene adopt business 3 d modeling software and vision emulation system to realize; The people is also arranged in conjunction with programming language and graphics process algorithm, exploitation three-dimensional scenic interaction design software is to support the interaction design of three-dimensional scenic.In above Software tool, the interactive mode of user and software is mainly keyboard and mouse, by setting and the modification of position, size and other attributes of three-dimensional model in keyboard and mouse control three-dimensional scenic.This three-dimensional scenic interactive design method based on keyboard and mouse exists trivial operations, the shortcoming such as natural not, particularly when the fields such as towards the public displaying publicity and Popular Science Education, lacks interest and attractive force.
And aspect the Interactive Experience of virtual scene, early stage technology is mainly direction of motion and the speed of the virtual video camera in virtual scene controlled by keyboard, mouse, carries out the mutual roaming of virtual scene.In recent years, various novel human-computer interaction devices are by progressively development and utilization.For example, it is to control virtual agricultural equipment in computing machine by bearing circle and operating rod that a kind of scheme is arranged in prior art, drives that virtual tractor is walked in three-dimensional scenic and simple Job Operations.In addition, the interactive devices such as digital paintbrush, multiple degrees of freedom tracker, digital glove have also obtained more research and application.The application of these interactive devices has greatly improved dirigibility and the enjoyment of virtual scene interactive experience.But, when using these interactive devices and carrying out the virtual scene interactive experience, the user still needs to control with hand, simultaneously because distinct device only has several specific functions, when system need to realize several functions, often need to be equipped with multiple interactive device, the user just must be switched between distinct device in use like this, to carry out different virtual experience functions.Therefore, also there is shortcoming natural not, underaction in this interactive mode.
In sum, a kind of virtual Agricultural Park Interactive Design that can take full advantage of mankind's gesture motion convenience and experiential method and system possess realistic meaning very much.
Summary of the invention
The technical matters that (one) will solve
The object of the present invention is to provide a kind of virtual Agricultural Park Interactive Design and experiential method and system that can take full advantage of mankind's gesture motion convenience, with so that the Agricultural Park Interactive Design is more natural with experience, more have interest.
(2) technical scheme
Technical solution of the present invention is as follows:
A kind of virtual Agricultural Park Interactive Design and experiential method comprise step:
S1. build Agricultural Park basis three-dimensional scenic template base and landscape element three-dimensional model, and each basic three-dimensional scenic is carried out functional regional division;
S2. Tracking Recognition user scene is selected gesture;
S3. select gesture according to described scene, show the basic three-dimensional scenic of its correspondence;
S4. Tracking Recognition user landscape element selection, drag and drop and rotate gesture;
S5. according to described landscape element selection, drag and drop and rotate gesture, show in described three-dimensional scenic respectively, mobile and rotate landscape element three-dimensional model corresponding to gesture in described step S4.
Preferably, described basic three-dimensional scenic template base comprises some basic three-dimensional scenics, and each basic three-dimensional scenic includes landform, pond, river and meadow.
Preferably, described functional area comprises that livestock-raising zone, aquaculture are regional, goes sightseeing to pluck the zone, view exhibition is regional, scientific and technological demonstration area and Variety display zone.
Preferably, described landscape element comprises agricultural production facility, animals and plants and communal facility.
Preferably, also comprise after described step S5:
S6. Tracking Recognition user scene walkthrough gesture;
S7. according to described scene walkthrough gesture, for providing scene walkthrough, the user experiences.
Preferably, described step S7 comprises: move virtual video camera in described basic three-dimensional scenic according to the direction parameter of user's scene walkthrough gesture and speed parameter, experience for the user provides scene walkthrough.
The present invention also provides a kind of virtual Agricultural Park Interactive Design and experiencing system of realizing said method:
A kind of virtual Agricultural Park Interactive Design and experiencing system comprise gesture capture device, gesture identification module, Logic control module, database module and display terminal;
The gesture capture device is caught in real time user's gesture information and is sent to the gesture identification module;
The gesture identification module is converted to gesture information numerical information and feeds back to Logic control module;
Database module, the basic three-dimensional scenic template base of storage Agricultural Park, basic three-dimensional scenic functional regional division information, landscape element three-dimensional model and character image supplementary;
Logic control module is selected and operates corresponding content displaying at display terminal from described database module according to described gesture identification module feedack.
Preferably, described gesture identification module, database module and Logic control module all are integrated in computing machine.
Preferably, described display terminal comprises liquid crystal display.
(3) beneficial effect
At first the present invention builds Agricultural Park basis three-dimensional scenic template base and landscape element three-dimensional model, and each basic three-dimensional scenic is carried out functional regional division, then Tracking Recognition user scene is selected gesture, the basic three-dimensional scenic of showing its correspondence, then continue the selection of Tracking Recognition user landscape element, drag and drop and rotate gesture, show in three-dimensional scenic respectively, mobile and rotate landscape element three-dimensional model corresponding to above-mentioned gesture.The present invention can take full advantage of mankind's gesture motion convenience, make the Agricultural Park Interactive Design more natural with experience, more have interest, can satisfy the application demands such as Agricultural Park Computer Aided Design, farming operation virtual experience and Popular Science Education, make the user that feeling of immersion more be arranged; Simultaneously, the present invention have be simple and easy to and advantage cheaply.
Description of drawings
Fig. 1 is a kind of virtual Agricultural Park Interactive Design of the present invention and experiential method schematic flow sheet;
Fig. 2 is a kind of virtual Agricultural Park Interactive Design of the present invention and experiencing system module diagram.
Embodiment
Below in conjunction with drawings and Examples, the embodiment of inventing is described further.Following examples only are used for explanation the present invention, but are not used for limiting the scope of the invention.
Embodiment one
Process flow diagram a kind of virtual Agricultural Park Interactive Design and experiential method as shown in fig. 1 mainly comprises the following steps:
S1. build Agricultural Park basis three-dimensional scenic template base and landscape element three-dimensional model, and each basic three-dimensional scenic is carried out functional regional division; This step mainly comprises the following steps:
S101. the modes such as Three-dimensional Design Software (as 3DSMax) that adopt interactive design method or use versatility generate the basic three-dimensional scenic of several Agricultural Parks, include the fundamental elements such as landform, pond, river, meadow in each basic three-dimensional scenic, and the basic three-dimensional scenic of all Agricultural Parks is saved in the three-dimensional scenic template base of computer data library module.
S102. the basic three-dimensional scenic of Agricultural Park is carried out functional regional division, formation is for the Agricultural Park functional regional division of the different application demands such as livestock-raising, aquaculture, sightseeing harvesting, view exhibition, science and technology demonstration, Variety display, and represents different functional areas with different colors in basic three-dimensional scenic.
S103. build Agricultural Park main landscape key element three-dimensional model: the three-dimensional model that builds the common agricultural production facilities of dissimilar Agricultural Park such as greenhouse, booth, processing of farm products factory building, means of agricultural production warehousing storage and agricultural product apotheca; Choose the animals and plants such as fruit tree, crop, vegetables, flowers, shrub and livestock and poultry that China mainly plants, every kind of animals and plants are chosen 2-3 kind, set up these vegeto-animal three-dimensional models; Set up the three-dimensional model of communal facility common in the Agricultural Parks such as road, street lamp, dustbin, leisure bench, bulletin board, road sign.To each landscape element three-dimensional model of above structure, make the simple and easy pattern of its correspondence and save as two dimensional image.Above-mentioned all three-dimensional models and corresponding simple and easy pattern thereof are saved in the landscape element 3 d model library of computer data library module.
By above step, completed the configurations of virtual Agricultural Park Interactive Design and experience, show that on liquid crystal display each basic three-dimensional scenic all shows with the form of thumbnail with the basic three-dimensional scenic of the Agricultural Park of functional regional division mark.
S2. Tracking Recognition user scene is selected gesture.
S3. obtain the Agricultural Park dimensional topography thumbnail that the user chooses by gesture, and the basic three-dimensional scenic of the Agricultural Park that this thumbnail of demonstration is corresponding on liquid crystal display, take out simultaneously simple and easy pattern (two dimensional image) corresponding to all landscape elements from the landscape element 3 d model library, and be presented at the right of screen with the formal classification of list.
S4. Tracking Recognition user landscape element selection, drag and drop and rotate gesture;
S5. according to described landscape element selection, drag and drop and rotate gesture, show in described three-dimensional scenic respectively, mobile and rotate landscape element three-dimensional model corresponding to gesture in described step S4.
In the present embodiment, step S4 and step S5 are specially:
Identification user landscape element is selected gesture motion, and calculates the position of user's hand, determines according to the positional information of hand the landscape element pattern that the user chooses;
The action of identification user landscape element drag gesture, and the coordinate of calculating hand, the landscape element pattern that the user is chosen moves on coordinate corresponding with the position of user's hand in the Agricultural Park dimensional topography, then shows three-dimensional model corresponding to landscape element pattern on liquid crystal display;
Identification user rotary landscape key element gesture motion, and selected landscape element three-dimensional model is carried out the operation such as corresponding rotation.
After step S5 completes, if recognize the gesture motion that the user finishes three-dimensional scenic interaction design and experience, continue step S6; Otherwise, jump to step S2, and repeating step S2-S4.
Further, also comprise after described step S5:
S6. Tracking Recognition user scene walkthrough gesture;
S7. according to described scene walkthrough gesture, for providing scene walkthrough, the user experiences.
Wherein, described step S7 comprises: move virtual video camera in described basic three-dimensional scenic according to the direction parameter of user's scene walkthrough gesture and speed parameter, experience for the user provides scene walkthrough.
Embodiment two
The present invention also provides a kind of virtual Agricultural Park Interactive Design and experiencing system of realizing said method:
A kind of virtual Agricultural Park Interactive Design and experiencing system comprise gesture capture device, gesture identification module, Logic control module, database module and display terminal;
The gesture capture device is caught in real time user's gesture information and is sent to the gesture identification module;
The gesture identification module is converted to gesture information numerical information and feeds back to Logic control module;
Database module, the basic three-dimensional scenic template base of storage Agricultural Park, basic three-dimensional scenic functional regional division information, landscape element three-dimensional model and character image supplementary;
Logic control module is selected and operates corresponding content displaying at display terminal from described database module according to described gesture identification module feedack.
Wherein, described display terminal comprises liquid crystal display.
Wherein, the gesture capture device adopts the Kinect body sense equipment of being produced by Microsoft, and gesture identification equipment is placed on top or the dead ahead of liquid crystal display.
Wherein, described gesture identification module, database module and Logic control module all are integrated in computing machine.
Virtual Agricultural Park Interactive Design of the present invention and experiential method and system have the following advantages:
1, the other technology of advanced person's body perception is applied to improved naturality and the interest of Agricultural Park three-dimensional scenic interaction design in the virtual design and interaction display publicity of Agricultural Park.
2, for the characteristics of Agricultural Park, with the basic three-dimensional scenic of Agricultural Park of common various function types (comprising livestock-raising, aquaculture, sightseeing harvesting, view exhibition, science and technology demonstration, Variety display etc.) as template base and carry out the functional regional division of landform, select for the user, make not have agriculture background knowledge and the layman need not also can be convenient to use native system through special training, but improved popularization of the present invention.
3, provide abundant Agricultural Park landscape element three-dimensional model, made the user can design the Agricultural Park three-dimensional scenic of various styles and function type.
4, the interactive action of all users and system all catches by the gesture capture device of intelligence, identifies by the gesture module, and it comprises movement and rotation, the three-dimensional scenic roaming etc. of the choosing of object, three-dimensional model; Simultaneously, the present invention supports both hands mutual, makes the man-machine interaction mode of system take full advantage of the convenience of mankind's gesture motion, more can embody mutual naturality.Compare based on the three-dimensional scenic interactive design method of mouse-keyboard or touch-screen with tradition, the exchange method that the present invention program takes is more natural, have more interest.
Above embodiment only is used for explanation the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification, so all technical schemes that are equal to also belong to protection category of the present invention.
Claims (9)
1. a virtual Agricultural Park Interactive Design and experiential method, is characterized in that, comprises step:
S1. build Agricultural Park basis three-dimensional scenic template base and landscape element three-dimensional model, and each basic three-dimensional scenic is carried out functional regional division;
S2. Tracking Recognition user scene is selected gesture;
S3. select gesture according to described scene, show the basic three-dimensional scenic of its correspondence;
S4. Tracking Recognition user landscape element selection, drag and drop and rotate gesture;
S5. according to described landscape element selection, drag and drop and rotate gesture, show in described three-dimensional scenic respectively, mobile and rotate landscape element three-dimensional model corresponding to gesture in described step S4.
2. virtual Agricultural Park Interactive Design according to claim 1 and experiential method, is characterized in that, described basic three-dimensional scenic template base comprises some basic three-dimensional scenics, and each basic three-dimensional scenic includes landform, pond, river and meadow.
3. virtual Agricultural Park Interactive Design according to claim 2 and experiential method, it is characterized in that, described functional area comprises that livestock-raising zone, aquaculture are regional, goes sightseeing to pluck the zone, view exhibition is regional, scientific and technological demonstration area and Variety display zone.
4. virtual Agricultural Park Interactive Design according to claim 1 and experiential method, is characterized in that, described landscape element comprises agricultural production facility, animals and plants and communal facility.
5. the described virtual Agricultural Park Interactive Design of according to claim 1-4 any one and experiential method, is characterized in that, also comprises after described step S5:
S6. Tracking Recognition user scene walkthrough gesture;
S7. according to described scene walkthrough gesture, for providing scene walkthrough, the user experiences.
6. virtual Agricultural Park Interactive Design according to claim 5 and experiential method, it is characterized in that, described step S7 comprises: move virtual video camera in described basic three-dimensional scenic according to the direction parameter of user's scene walkthrough gesture and speed parameter, experience for the user provides scene walkthrough.
7. virtual Agricultural Park Interactive Design and an experiencing system of realizing the described method of claim 1-6, is characterized in that, comprises gesture capture device, gesture identification module, Logic control module, database module and display terminal;
The gesture capture device is caught in real time user's gesture information and is sent to the gesture identification module;
The gesture identification module is converted to gesture information numerical information and feeds back to Logic control module;
Database module, the basic three-dimensional scenic template base of storage Agricultural Park, basic three-dimensional scenic functional regional division information, landscape element three-dimensional model and character image supplementary;
Logic control module is selected and operates corresponding content displaying at display terminal from described database module according to described gesture identification module feedack.
8. virtual Agricultural Park Interactive Design according to claim 7 and experiencing system, is characterized in that, described gesture identification module, database module and Logic control module all are integrated in computing machine.
9. according to claim 7 or 8 described virtual Agricultural Park Interactive Design and experiencing systems, is characterized in that, described display terminal comprises liquid crystal display.
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