CN103914591A - Sugarcane planting 3D (three-dimensional) interactive virtual teaching and practical training system and modeling method thereof - Google Patents
Sugarcane planting 3D (three-dimensional) interactive virtual teaching and practical training system and modeling method thereof Download PDFInfo
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Abstract
The invention provides a modeling method of a sugarcane planting 3D (three-dimensional) interactive virtual teaching and practical training system. The modeling method includes according to sugarcane planting technology, performing 3D modeling on a model library needed in the process of sugarcane planting; according to the sugarcane planting technology, a sugarcane planting knowledge associated library; according to sugarcane planting regulations, by combining two-three-dimensional animation and scene rendering technology, building a sugarcane planting 3D interactive visible system; according to setting of sugarcane planting and growing technical regulations, simulating a sugarcane planting and growing process according to a time sequence; according to unproper operation modes, providing a warning function, and providing video and text content related to correct operation. The invention further provides the sugarcane planting teaching and practical training system based on the modeling method. The system comprises the sugarcane planting model library, the sugarcane planting knowledge associated library, the sugarcane planting 3D interactive visible system, a time sequence module and an error processing module. Modeling of the sugarcane virtual teaching and training system is realized by utilized computer 3D analog simulation reality technology.
Description
Technical field
The present invention relates to agricultural technology field, be specifically related to the mutual virtual instruction experience system of a kind of cane planting 3D and modeling method thereof.
Background technology
Sugarcane is annual or per nnial herb.Be the raw material of manufacturing sucrose, and can refine ethanol as energy substitution product, plant widely in all over the world, China is one of maximum sugarcane production state.Along with development, the promulgation of technical manual and the develop rapidly of computer technology of cane planting technology, traditional cane planting technical training mode is utilized textbook, the mode of the writing on the blackboard of attending class, picture, word and even video is carried out the training of the each sport technique segment of cane planting, in the propagation that has all limited cane planting technology aspect the feeling of immersion of human and material resources, audient's point of interest, participation, manipulative ability and experience.
At present, cane planting practice teaching generally adopts the mode of the oral teaching of teacher or imparts knowledge to students in conjunction with multimedia.Although utilize multimedia technology to give lessons, in giving lessons, use the data such as a large amount of numerals, word, sound, image, consider cane planting technology singularity, still can not change the limitation that traditional cane planting practice teaching brings.Cane planting and planting environment close ties, different planting environments needs different planting patterns, and traditional form of teaching only shows by the mode of picture or video, and student's cognitive ability is limited; In modern cane planting technical process, need a large amount of agricultural machinery operations, the teaching condition that traditional teaching, training can not provide student skillfully to use cane planting agricultural machinery, student's manipulative ability can not get taking exercise; In cane planting process, the control of disease is important instructional technology link, traditional figure sheet mode is only from the cognitive disease of a certain fixed viewpoint, and student can not be from multi-angle, multiple dimensioned and whole disease from occurring to the comprehensively cognition of change in process details for the treatment of; Cane planting has time-space domain restriction, and traditional teaching is difficult to give lessons from the arrangement of time domain yardstick, the Sugarcane Farm edge of a field can not be moved to in classroom, has limited experience sense and the peaceful sense of student's study.
Summary of the invention
(1) technical matters solving
For the deficiencies in the prior art, the invention provides the mutual virtual instruction experience system of a kind of cane planting 3D and modeling method thereof, can utilize computing machine 3D simulation virtual reality technology to carry out modeling to sugarcane virtual instruction training system, carry out interactive emulation by interaction forms and the rendering technique of two three-dimensional combinations.
(2) technical scheme
In order to realize above object, the present invention is achieved by the following technical programs:
A modeling method for the mutual virtual instruction experience system of cane planting 3D, the method comprises:
According to cane planting technology, the needed model bank of cane planting process is carried out to three-dimensional modeling;
According to cane planting technology, set up cane planting knowledge correlation database;
According to cane planting rules, in conjunction with two three-dimensional animations and scene rendering technology, set up the interactive visible system of cane planting 3D;
Set the plantation growth course of emulation sugarcane chronologically according to the plantation growing technology rules of sugarcane;
Provide warning function according to mode of operation improperly, and video and word content about proper operation are provided.
Wherein, the needed model bank of described cane planting process comprises: sugarcane model bank, agricultural machinery model bank, fertilizer model bank, disease model bank, medicament model bank and cane planting plot model bank.
Wherein, described cane planting knowledge correlation database, comprises fertilising configuration constraint model bank, whole opens ridge binding database, planting way binding database, disease control binding database, grows and weather conditions binding database and plant stem and process binding database.
Wherein, the described interactive visible system of cane planting 3D of setting up, specifically comprises:
S1: based on cartoon technique, set up soil and select module, specifically comprise:
S11: the different soils model to sugarcane suitable growth carries out modeling, comprises yellow soil, atteration, rice soil and purple soil;
S12: surface, tangent plane part to soil model are carried out texture assignment;
S13: utilize animation rotation soil module;
S2: the Nurbs curved surface based on sampled point dynamic disturbances, carry out modeling to plowing, specifically comprise:
S21: by 3D digitizer, three-dimensional data is carried out in the complete local plot of firm plough and obtain, be converted into the reference mark generating for Nurbs curved surface;
S22: according to the Nurbs curved surface reference mark dynamic disturbances factor, Nurbs curved surface is reconstructed, forms the terrain mesh of ploughing;
S23: calculate UV according to curved surface, to the ground block models assignment of the ploughing pinup picture texture of ploughing;
S3: the customized parameter simulation sugarcane based on Ellipsoidal Surface opens ridge, specifically comprises:
S31: locking ellipsoid Y direction, regulate X-axis, Z axis spherical radius, form the ridge tangent plane gradient;
S32: ellipsoid sphere center position is set, regulates ridge dark;
S33: according to the ellipsoidal model regulating, along Y-axis, landform is continued out to ridge grid processing, change furrow texture simultaneously;
S4: based on particIe system, set up field fertilization module, specifically comprise:
S41: according to the time period of sugarcane production, fertilising is set and automatically reminds;
S42: based on Sugarcane Fertilization configuration constraint model bank, provide the mutual configuration of fertilizer and rate of fertilizer application;
S43: based on particIe system, field fertilization is carried out to analogue simulation;
S5: based on particIe system, set up prevention and control of plant diseases, pest control module, specifically comprise:
S51: be the random function that arranges of each growth period disease, random function provides incidence probability and incidence type, and the automatic prompting that disease occurs is set;
S52: based on Sugarcane Disease control binding database, for sugarcane plant leaf is dynamically replaced disease and pest blade texture;
S53: based on Sugarcane Disease control binding database, provide disease control medicine to select and configuration;
S54: based on particIe system, field rotating medicine is carried out to analogue simulation;
S6: based on cartoon technique, sugarcane is cut and takes in row simulation;
S7: based on two Three-Dimensional Interaction Technologies, set up kind of a stem processing module, specifically comprise:
S71: the effect of emulation stripping leaf sheath;
S72: emulation sugarcane is cut the process of planting;
S73: emulation sugarcane kind stem disinfecting process;
S74: emulation sugarcane kind stem vernalization process.
Wherein, the described plantation growth course of simulating chronologically sugarcane, specifically comprises:
According to cane planting growing technology rules, set up sugarcane production timetable;
Set the proportionate relationship between sugarcane time plantation growth sequential and simulate growth sequential;
Set up dynamic calendar and cane planting growth trigger.
A cane planting teaching training system that adopts above-mentioned modeling method to set up, this system comprises cane planting model bank, cane planting knowledge correlation database, the interactive visible system of cane planting 3D, tfi module and wrong processing module;
Cane planting model bank, for storing the required model of cane planting process, comprises sugarcane model bank, agricultural machinery model bank, fertilizer model bank, disease model bank, medicament model bank and cane planting plot model bank;
Cane planting knowledge correlation database, be used for storing cane planting technology relevant knowledge, comprise fertilising configuration constraint model bank, whole open ridge binding database, planting way binding database, disease control binding database, grow and weather conditions binding database and plant stem and process binding database;
The interactive visible system of cane planting 3D, for according to operation simulation cane planting process, comprises that soil is selected module, the module of plowing, opened ridge module, fertilising module, prevention and control of plant diseases, pest control module, cuts and receive module, plant stem processing module;
Tfi module, for embodying the cane planting growth course of simulation chronologically;
Mistake processing module, for basis mode of operation warning improperly, and provides video and the word content about proper operation.
Wherein, described sugarcane model bank, comprises Sugarcane Seedlings phase, tillering stage, elongating stage, maturity stage model and sugarcane kind stem;
Described agricultural machinery model bank, comprises ploughing machine, motorized grader, drives ridge machine, fertilizer applicator, pesticide applicator and harvester;
Described fertilizer model bank, comprises fertilizer, phosphorus, potassium fertilizer, chemical nitrogen fertilizer and soil conditioner;
Described disease model bank, comprises disease table and corresponding model texture material, comprises pineapple disease, red rot, smut, maculopathy, top rot, snout moth's larva, woolly aphid worm, sugarcane tortoise and thrips;
Described medicament model bank, is made up of medicament table and corresponding model packing, includes carbendazim, benzene Lai Te, methoxyethylmer-cury chlride (MEMC), benomyl wettable powder, Bordeaux mixture, cartap, orthene, carbofuran Granules and Folithion;
Described cane planting plot model bank, comprises yellow soil, atteration, rice soil and purple soil block models.
Wherein, described soil is selected module, for selecting different soil modules;
The described module of plowing, for the driving of plowing according to the selection simulation in navigation channel;
The described ridge module of opening, drives for opening ridge according to the selection simulation in navigation channel;
Described fertilising module, for selecting fertilizer and rate of fertilizer application according to the timed reminding of fertilising;
Described prevention and control of plant diseases, pest control module, for selecting disease control medicine according to Disease Characters;
The described receipts module of cutting, for according to the control of mouse pointer, simulates the process of sugarcane being cut to receipts;
Described kind of stem processing module, for according to the control of mouse pointer, simulation to sugarcane shell leaf sheath, cut kind, the process of sterilization and vernalization.
(3) beneficial effect
The present invention at least has following beneficial effect:
The present invention, in conjunction with two three-dimensional animations and scene rendering technology, sets up cane planting 3D interactive visual system, and the whole life cycle of cane planting is carried out to the integration of 3D interactive visual.System provided by the invention effectively integrates the related agronomy knowledge of sugarcane production process management, and carry out interactive emulation expression by interaction forms and the stronger Realistic Rendering technology of two three-dimensional combinations, thereby for cane planting teaching provides good virtual interactive electronic textbook, strengthen students ' interest of study, improve manipulative ability, can reduce again cane planting training cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these figure other accompanying drawing.
Accompanying drawing 1 is the process flow diagram of the modeling method of the mutual virtual instruction experience system of a kind of cane planting 3D in the embodiment of the present invention;
Fig. 2 is the process flow diagram of setting up the interactive visible system of cane planting 3D in the embodiment of the present invention;
Fig. 3 is the structural drawing of the mutual virtual instruction experience system of a kind of cane planting 3D in the embodiment of the present invention;
Fig. 4 is the list of cane planting growth clocked flip event in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, be the modeling method of the mutual virtual instruction experience system of a kind of cane planting 3D in the embodiment of the present invention, the method comprises the steps:
Step 101: according to cane planting technology, the needed model bank of cane planting process is carried out to three-dimensional modeling.
In this step, the described needed model bank of cane planting process comprises: sugarcane model bank, agricultural machinery model bank, fertilizer model bank, disease model bank, medicament model bank and cane planting plot model bank.
Step 102: according to cane planting technology, set up cane planting knowledge correlation database.
In this step, described cane planting knowledge correlation database, comprises fertilising configuration constraint model bank, whole opens ridge binding database, planting way binding database, disease control binding database, grows and weather conditions binding database and plant stem and process binding database.
Step 103: according to cane planting rules, in conjunction with two three-dimensional animations and scene rendering technology, set up the interactive visible system of cane planting 3D.
Wherein, as shown in Figure 2, set up the interactive visible system of cane planting 3D and comprise the steps:
Step 201: based on cartoon technique, set up soil and select module.Specifically comprise:
(1) the different soils model of sugarcane suitable growth is carried out to modeling, comprise yellow soil, atteration, rice soil and purple soil;
(2) surface to soil model, tangent plane part are carried out texture assignment;
(3) utilize animation rotation soil module.
Step 202: the Nurbs curved surface based on sampled point dynamic disturbances, carries out modeling to plowing.Be subdivided into wholely plow, He Kai ridge, level land three parts, the important interactive part of cane planting process and the important step of Visualization, the tractor driving, the operation process earth's surface that relate to three-dimensional scenic are visual, wherein operation process earth's surface is visual, and the sense of reality effect of landform real-time rendering and earth's surface pinup picture real-time rendering directly affects learner's experience effect.Being characterized as of the landform of plowing: overall piecemeal, local have fission in various degree because of the soft difference of soil soil property.And utilizing Nurbs(Non-Uniform Rational B-Splines) curved surface reference mark can edit feature, carries out the visual modeling of plowing of Nurbs curved surface based on sampled point dynamic disturbances, and the process simulation that makes to plow obtains good effect of visualization.
This step specifically comprises:
(1) by 3D digitizer, three-dimensional data is carried out in the complete local plot of firm plough and obtain, be converted into the reference mark generating for Nurbs curved surface;
(2) according to the Nurbs curved surface reference mark dynamic disturbances factor, Nurbs curved surface is reconstructed, forms the terrain mesh of ploughing;
(3) calculate UV according to curved surface, to the ground block models assignment of the ploughing pinup picture texture of ploughing;
Step 203: the customized parameter simulation sugarcane based on Ellipsoidal Surface opens ridge.According to the requirement of cane planting technical regulation, sugarcane opens the degree of depth of ridge furrow and width and is out the important technological parameters on ridge.This step specifically comprises:
(1) locking ellipsoid Y direction, regulates X-axis, Z axis spherical radius, forms the ridge tangent plane gradient;
(2) ellipsoid sphere center position is set, regulates ridge dark;
(3) according to the ellipsoidal model regulating, along Y-axis, landform is continued out to ridge grid processing, change furrow texture simultaneously;
Step 204: based on particIe system, set up field fertilization module.In sugarcane production process, need to carry out at least 3 times fertilizer treatment, respectively, basal dressing, execute that to attack stem fertile and execute strong tail fertilizer, according to cane planting technical regulation, different at different fertilizing period fertilizer and rate of fertilizer application.This step specifically comprises:
(1) according to the time period of sugarcane production, fertilising being set reminds automatically;
(2), based on Sugarcane Fertilization configuration constraint model bank, provide the mutual configuration of fertilizer and rate of fertilizer application;
(3), based on particIe system, field fertilization is carried out to analogue simulation;
Step 205: based on particIe system, set up prevention and control of plant diseases, pest control module.In sugarcane production process, disease control work is one of important process of field management, and sugarcane all likely has disease and pest to occur in seedling stage, tillering stage, elongating stage and maturity stage.This step specifically comprises:
(1) be the random function that arranges of each growth period disease, random function provides incidence probability and incidence type, and the automatic prompting that disease occurs is set;
(2) based on Sugarcane Disease control binding database, for sugarcane plant leaf is dynamically replaced disease and pest blade texture;
(3), based on Sugarcane Disease control binding database, provide disease control medicine to select and configuration;
(4), based on particIe system, field rotating medicine is carried out to analogue simulation;
Step 206: based on cartoon technique, sugarcane is cut and takes in row simulation.Modern sugarcane is cut to receive and adopts the integrated receiving unit of cutting of apparatus to carry out, sugarcane is cut receipts process and comprises: separate blade, cut at roots of, sugarcane segmentation, four steps of automatic loading, utilize 3DMax to regulate each animation link, and cutting receiving unit operation rear, leave sugarcane root head model, improve sense of reality effect.
Step 207: based on two Three-Dimensional Interaction Technologies, set up kind of a stem processing module.The processing of kind of stem comprises four processes: stripping leaf sheath, cut kind, sterilization and four sport technique segments of vernalization, two three-dimensional combinations be to utilize rays method alternately, mouse picks up the three-dimensional model in three-dimensional scenic, to three-dimensional model carry out, the operation such as rotation, translation, convergent-divergent, separation, fusion.This step specifically comprises:
(1) effect of emulation stripping leaf sheath;
Stripping leaf sheath, changes mouse pointer, becomes little hand shape, and mouse picks up cane stalk top leaf sheath, by dilatory leaf sheath, leaf sheath is peeled off from cane stalk, reaches the effect of emulation stripping leaf sheath.
(2) emulation sugarcane is cut the process of planting;
Cut kind, change mouse pointer, become chopper shape, streak on sugarcane kind stem by mouse, simulation sugarcane is cut kind of an effect, due to cut kind of point for kind of stem eye place and be separated by a pitch from, will be in correct position so cut kind of position, not so system prompt operation failure.
(3) emulation sugarcane kind stem disinfecting process;
Sterilization, changes mouse pointer, becomes little hand shape, the kind stem through cutting kind of processing, is dragged and dropped in sterilization pool, and sets up clock on sterilization pool side, in order to simulate sugarcane kind stem disinfecting process.
(4) emulation sugarcane kind stem vernalization process.
Vernalization, changes mouse pointer, becomes little hand shape, and bedding stalk on the kind stem through sterilization, sprouts vernalization, sets up clock, in order to simulate sugarcane kind stem vernalization process.
Step 104: set the plantation growth course of emulation sugarcane chronologically according to the plantation growing technology rules of sugarcane.
Cane planting be divided into fall planting sugarcane with spring planting sugarcane, general growth period is 9 to 12 months.The cane planting simulation driving based on sequential, is to set according to the plantation growing technology rules of sugarcane, simulates chronologically the whole plantation growth course of sugarcane, strengthens the experience effect of the virtual plantation of user.This step specifically comprises the steps:
(1) according to cane planting growing technology rules, set up sugarcane production timetable;
(2) set the proportionate relationship between sugarcane time plantation growth sequential and simulate growth sequential; For example, sugarcane production actual needs 250 days, in computer system, replaced every day with 2 seconds so;
(3) set up dynamic calendar and cane planting growth trigger.
Dynamic calendar is according to above-mentioned two conditions that step provides, and in system, timing provides calendar replacing, and cane planting growth trigger is for clocked flip plantation growth time, and clocked flip list of thing as shown in Figure 4.
Step 105: provide warning function according to mode of operation improperly, and video and word content about proper operation are provided.
In this step, for the ease of user carrying out in virtual experience study course learning process, for interaction process part, in the time that the mode of improper use operates, system provides warning function, inform that user has used unscientific planting patterns, and provide user by watching cane planting video, word study course to learn, reach the effect of " see animation, gain knowledge; play games, long technical ability ".
As shown in Figure 3, for the cane planting teaching training system that the modeling method adopting in the embodiment of the present invention in above-described embodiment is set up, this system comprises cane planting model bank, cane planting knowledge correlation database, the interactive visible system of cane planting 3D, tfi module and wrong processing module;
Cane planting model bank (being model layer), for storing the required model of cane planting process, comprises sugarcane model bank, agricultural machinery model bank, fertilizer model bank, disease model bank, medicament model bank and cane planting plot model bank.Wherein, described sugarcane model bank, comprises Sugarcane Seedlings phase, tillering stage, elongating stage, maturity stage model and sugarcane kind stem; Described agricultural machinery model bank, comprises ploughing machine, motorized grader, drives ridge machine, fertilizer applicator, pesticide applicator and harvester; Described fertilizer model bank, comprises fertilizer, phosphorus, potassium fertilizer, chemical nitrogen fertilizer and soil conditioner; Described disease model bank, comprises disease table and corresponding model texture material, comprises pineapple disease, red rot, smut, maculopathy, top rot, snout moth's larva, woolly aphid worm, sugarcane tortoise and thrips; Described medicament model bank, is made up of medicament table and corresponding model packing, includes carbendazim, benzene Lai Te, methoxyethylmer-cury chlride (MEMC), benomyl wettable powder, Bordeaux mixture, cartap, orthene, carbofuran Granules and Folithion; Described cane planting plot model bank, comprises yellow soil, atteration, rice soil and purple soil block models.
Cane planting knowledge correlation database (being data Layer), be used for storing cane planting technology relevant knowledge, comprise fertilising configuration constraint model bank, whole open ridge binding database, planting way binding database, disease control binding database, grow and weather conditions binding database and plant stem and process binding database.
The interactive visible system of cane planting 3D, for according to operation simulation cane planting process, comprises that soil is selected module, the module of plowing, opened ridge module, fertilising module, prevention and control of plant diseases, pest control module, cuts and receive module, plant stem processing module.Wherein, described soil is selected module, for selecting different soil modules; The described module of plowing, for the driving of plowing according to the selection simulation in navigation channel; The described ridge module of opening, drives for opening ridge according to the selection simulation in navigation channel; Described fertilising module, for selecting fertilizer and rate of fertilizer application according to the timed reminding of fertilising; Described prevention and control of plant diseases, pest control module, for selecting disease control medicine according to Disease Characters; The described receipts module of cutting, for according to the control of mouse pointer, simulates the process of sugarcane being cut to receipts; Described kind of stem processing module, for according to the control of mouse pointer, simulation to sugarcane shell leaf sheath, cut kind, the process of sterilization and vernalization.
Tfi module, for embodying the cane planting growth course of simulation chronologically.
Mistake processing module, for basis mode of operation warning improperly, and provides video and the word content about proper operation.
The interactive simulation layer of the interactive visible system of above-mentioned cane planting 3D, tfi module and wrong processing module construction system.
The embodiment of the present invention, in conjunction with two three-dimensional animations and scene rendering technology, is set up cane planting 3D interactive visual system, and the whole life cycle of cane planting is carried out to the integration of 3D interactive visual.The system that the embodiment of the present invention provides effectively integrates the related agronomy knowledge of sugarcane production process management, and carry out interactive emulation expression by interaction forms and the stronger Realistic Rendering technology of two three-dimensional combinations, thereby for cane planting teaching provides good virtual interactive electronic textbook, strengthen students ' interest of study, improve manipulative ability, can reduce again cane planting training cost.
Above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that; Its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a modeling method for the mutual virtual instruction experience system of cane planting 3D, is characterized in that, the method comprises:
According to cane planting technology, the needed model bank of cane planting process is carried out to three-dimensional modeling;
According to cane planting technology, set up cane planting knowledge correlation database;
According to cane planting rules, in conjunction with two three-dimensional animations and scene rendering technology, set up the interactive visible system of cane planting 3D;
Set the plantation growth course of emulation sugarcane chronologically according to the plantation growing technology rules of sugarcane;
Provide warning function according to mode of operation improperly, and video and word content about proper operation are provided.
2. method according to claim 1, is characterized in that, the needed model bank of described cane planting process comprises: sugarcane model bank, agricultural machinery model bank, fertilizer model bank, disease model bank, medicament model bank and cane planting plot model bank.
3. method according to claim 1, it is characterized in that, described cane planting knowledge correlation database, comprises fertilising configuration constraint model bank, whole opens ridge binding database, planting way binding database, disease control binding database, grows and weather conditions binding database and plant stem and process binding database.
4. method according to claim 3, is characterized in that, the described interactive visible system of cane planting 3D of setting up, specifically comprises:
S1: based on cartoon technique, set up soil and select module, specifically comprise:
S11: the different soils model to sugarcane suitable growth carries out modeling, comprises yellow soil, atteration, rice soil and purple soil;
S12: surface, tangent plane part to soil model are carried out texture assignment;
S13: utilize animation rotation soil module;
S2: the Nurbs curved surface based on sampled point dynamic disturbances, carry out modeling to plowing, specifically comprise:
S21: by 3D digitizer, three-dimensional data is carried out in the complete local plot of firm plough and obtain, be converted into the reference mark generating for Nurbs curved surface;
S22: according to the Nurbs curved surface reference mark dynamic disturbances factor, Nurbs curved surface is reconstructed, forms the terrain mesh of ploughing;
S23: calculate UV according to curved surface, to the ground block models assignment of the ploughing pinup picture texture of ploughing;
S3: the customized parameter simulation sugarcane based on Ellipsoidal Surface opens ridge, specifically comprises:
S31: locking ellipsoid Y direction, regulate X-axis, Z axis spherical radius, form the ridge tangent plane gradient;
S32: ellipsoid sphere center position is set, regulates ridge dark;
S33: according to the ellipsoidal model regulating, along Y-axis, landform is continued out to ridge grid processing, change furrow texture simultaneously;
S4: based on particIe system, set up field fertilization module, specifically comprise:
S41: according to the time period of sugarcane production, fertilising is set and automatically reminds;
S42: based on Sugarcane Fertilization configuration constraint model bank, provide the mutual configuration of fertilizer and rate of fertilizer application;
S43: based on particIe system, field fertilization is carried out to analogue simulation;
S5: based on particIe system, set up prevention and control of plant diseases, pest control module, specifically comprise:
S51: be the random function that arranges of each growth period disease, random function provides incidence probability and incidence type, and the automatic prompting that disease occurs is set;
S52: based on Sugarcane Disease control binding database, for sugarcane plant leaf is dynamically replaced disease and pest blade texture;
S53: based on Sugarcane Disease control binding database, provide disease control medicine to select and configuration;
S54: based on particIe system, field rotating medicine is carried out to analogue simulation;
S6: based on cartoon technique, sugarcane is cut and takes in row simulation;
S7: based on two Three-Dimensional Interaction Technologies, set up kind of a stem processing module, specifically comprise:
S71: the effect of emulation stripping leaf sheath;
S72: emulation sugarcane is cut the process of planting;
S73: emulation sugarcane kind stem disinfecting process;
S74: emulation sugarcane kind stem vernalization process.
5. method according to claim 1, is characterized in that, the described plantation growth course of simulating chronologically sugarcane, specifically comprises:
According to cane planting growing technology rules, set up sugarcane production timetable;
Set the proportionate relationship between sugarcane time plantation growth sequential and simulate growth sequential;
Set up dynamic calendar and cane planting growth trigger.
6. the cane planting teaching training system that the employing modeling method as described in claim 1-5 any one is set up, it is characterized in that, this system comprises cane planting model bank, cane planting knowledge correlation database, the interactive visible system of cane planting 3D, tfi module and wrong processing module;
Cane planting model bank, for storing the required model of cane planting process, comprises sugarcane model bank, agricultural machinery model bank, fertilizer model bank, disease model bank, medicament model bank and cane planting plot model bank;
Cane planting knowledge correlation database, be used for storing cane planting technology relevant knowledge, comprise fertilising configuration constraint model bank, whole open ridge binding database, planting way binding database, disease control binding database, grow and weather conditions binding database and plant stem and process binding database;
The interactive visible system of cane planting 3D, for according to operation simulation cane planting process, comprises that soil is selected module, the module of plowing, opened ridge module, fertilising module, prevention and control of plant diseases, pest control module, cuts and receive module, plant stem processing module;
Tfi module, for embodying the cane planting growth course of simulation chronologically;
Mistake processing module, for basis mode of operation warning improperly, and provides video and the word content about proper operation.
7. system according to claim 6, is characterized in that,
Described sugarcane model bank, comprises Sugarcane Seedlings phase, tillering stage, elongating stage, maturity stage model and sugarcane kind stem;
Described agricultural machinery model bank, comprises ploughing machine, motorized grader, drives ridge machine, fertilizer applicator, pesticide applicator and harvester;
Described fertilizer model bank, comprises fertilizer, phosphorus, potassium fertilizer, chemical nitrogen fertilizer and soil conditioner;
Described disease model bank, comprises disease table and corresponding model texture material, comprises pineapple disease, red rot, smut, maculopathy, top rot, snout moth's larva, woolly aphid worm, sugarcane tortoise and thrips;
Described medicament model bank, is made up of medicament table and corresponding model packing, includes carbendazim, benzene Lai Te, methoxyethylmer-cury chlride (MEMC), benomyl wettable powder, Bordeaux mixture, cartap, orthene, carbofuran Granules and Folithion;
Described cane planting plot model bank, comprises yellow soil, atteration, rice soil and purple soil block models.
8. system according to claim 6, is characterized in that,
Described soil is selected module, for selecting different soil modules;
The described module of plowing, for the driving of plowing according to the selection simulation in navigation channel;
The described ridge module of opening, drives for opening ridge according to the selection simulation in navigation channel;
Described fertilising module, for selecting fertilizer and rate of fertilizer application according to the timed reminding of fertilising;
Described prevention and control of plant diseases, pest control module, for selecting disease control medicine according to Disease Characters;
The described receipts module of cutting, for according to the control of mouse pointer, simulates the process of sugarcane being cut to receipts;
Described kind of stem processing module, for according to the control of mouse pointer, simulation to sugarcane shell leaf sheath, cut kind, the process of sterilization and vernalization.
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