CN107843913B - The 3D display method and apparatus of radiation field - Google Patents
The 3D display method and apparatus of radiation field Download PDFInfo
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- CN107843913B CN107843913B CN201711005904.3A CN201711005904A CN107843913B CN 107843913 B CN107843913 B CN 107843913B CN 201711005904 A CN201711005904 A CN 201711005904A CN 107843913 B CN107843913 B CN 107843913B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
- G01T1/08—Photographic dosimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/005—Details of radiation-measuring instruments calibration techniques
Abstract
The present invention relates to a kind of 3D display method of radiation field, method includes the following steps: to couple the radiative source term data acquired from true radiation scene with the three-dimensional scene models constructed in advance, obtains three-dimensional radiation field model；The radiation source mark that user specifies in three-dimensional scene models is obtained, searches and accommodates the device identification that radiation source identifies corresponding radiation source, the outer profile of device identification is target projection face；The range information for obtaining user's input determines the face to be shown in cladding target projection face according to range information；The all the points included by the face to be shown concentrate the sub- point set for selecting face to be shown, and the sub- point set selected can be accommodated by target projection face；The radiation dose rate that son point concentrates all the points is calculated according to three-dimensional radiation field model, concentrates the radiation dose rate of all the points to project in target projection face to carry out visualization display the son point of calculating.This method can face border formula to the radiation level of radiation field progress 3D and show.
Description
Technical field
The present invention relates to radiation protection technique fields, more particularly to a kind of 3D display method and apparatus of radiation field.
Background technique
In nuclear power station operation, maintenance, maintenance and the retired work of the biggish core of difficulty, carrying out radiation protection is core industry
The key job of safe operation.Clearly without dead angle in Environment near Nuclear Facilities radiation field carry out visualization display be radiation protection
Key.
Traditional visualization display to radiation field is usually the 3D that radiation field is shown in the form of the 2D of two dimension slicing, can only
It shows the radiation field information on a certain section, the front-rear position of radiation field cannot be distinguished, can not achieve comprehensive any angle
3D display effect.
Summary of the invention
Based on this, it is necessary to for above-mentioned problem, provide a kind of can be realized and carry out 3D to the radiation level of radiation field
Face the 3D display method and apparatus for the radiation field that border formula is shown.
A kind of 3D display method of radiation field, which comprises
The radiative source term data acquired from true radiation scene are coupled with the three-dimensional scene models constructed in advance,
Three-dimensional radiation field model is obtained, any position in the three-dimensional scene models can be calculated according to the three-dimensional radiation field model
Radiation dose rate；
The selection operation that user identifies radiation source is obtained, and the radiation source for searching selection identifies corresponding equipment mark
Know, wherein the device identification corresponding equipment receiving radiation source identifies corresponding radiation source, the outer profile of the equipment
For target projection face；
The range information for obtaining user's input determines according to the range information and coats the to be shown of the target projection face
Face, wherein the distance between the face to be shown and the target projection face be the range information indicated by a distance from；
The point included by the face to be shown, which is concentrated, screens sub- point set, and the sub- point set is contained in the point set, wherein
The sub- point set of screening can be accommodated by the target projection face；
The radiation dose rate that the sub- point concentrates all the points is calculated according to the three-dimensional radiation field model, it will be described in calculating
Radiation dose rate projects in the target projection face to carry out visualization display.
In one embodiment, the radiative source term data include Distribution of radiation source information, radiation source nucleus number and radiation source
Activity；
The selection operation for obtaining user and radiation source being identified, and the radiation source for searching selection identifies corresponding set
Standby mark, wherein the corresponding equipment of the device identification accommodates the radiation source and identifies corresponding radiation source, the equipment it is outer
The step of profile is target projection face, comprising:
It is the three-dimensional scenic when constructing the three-dimensional radiation field model according to the Distribution of radiation source information of acquisition
The each radiation source distribution radiation source mark being distributed in model；
The selection instruction that user identifies the radiation source is obtained, the radiation source of user's selection is carried in the selection instruction
Mark；
According to the incidence relation between the radiation source mark pre-established with receiving relationship and device identification, search with
The radiation source identifies associated device identification；
The dimension information and corresponding outer profile model for searching the device identification, according to the dimension information and described outer
Skeleton pattern generates the target projection face for having size, and the outer profile in the target projection face is indicated by the outer profile model
Form.
In one embodiment, the range information for obtaining user's input determines cladding institute according to the range information
State the face to be shown in target projection face, wherein the distance between the face to be shown and the target projection face are the distance
Indicated by information apart from the step of are as follows:
The range information for obtaining user's input, determined according to the range information coat described in the target projection face to
Display surface, wherein the outer profile in the face to be shown is identical as the outer profile in the target projection face, and the face to be shown with
The distance between described target projection face is distance indicated by the range information.
In one embodiment, the point included by the face to be shown, which is concentrated, screens sub- point set, the sub- point set
It is contained in the point set, wherein the step of sub- point set of screening can be accommodated by the target projection face, comprising:
The face to be shown is divided into the unit of several close-connected setting numerical value；
The unit of segmentation is screened at equal intervals in the face to be shown, and to the unit filtered out into
Line flag, the sum of area of the unit of label are not more than the area in the target projection face.
In one embodiment, described that the unit of segmentation is screened at equal intervals in the face to be shown, it is right
The unit filtered out is marked, and the sum of area of the unit of label is not more than the area in the target projection face
Step, comprising:
According to the corresponding range information in the face to be shown, preconfigured screening corresponding with the range information is searched
Interval；
It is screened at equal intervals according to the bolting house every to the unit of segmentation, and the unit of screening is carried out
Label, wherein on the basis of guaranteeing that the sum of area of the unit of label is not more than the area in the target projection face, institute
State that distance indicated by range information is bigger, the bolting house of configuration is every bigger.
In one embodiment, described that the radiation that the sub- point concentrates all the points is calculated according to the three-dimensional radiation field model
The radiation dose rate of calculating is projected in the target projection face the step of carrying out visualization display by dosage rate are as follows:
The radiation dose rate that the unit of label is calculated according to the three-dimensional radiation field model, by the unit of calculating
Radiation dose rate normal direction project in the target projection face to carry out visualization display.
In one embodiment, it is constructed described by the radiative source term data acquired from true radiation scene and in advance
Three-dimensional scene models are coupled, and three-dimensional radiation field model is obtained, and can calculate the three-dimensional according to the three-dimensional radiation field model
In model of place the step of the radiation dose rate of any position after, further includes:
By be arranged in it is described it is true radiation scene in dosage rate detection device collection in worksite predetermined position it is true
Radiation dose rate；
The simulation radiation dose rate of the predetermined position is calculated according to the three-dimensional radiation field model of building；
Model calibration coefficient is calculated according to the true radiation dose rate and the simulation radiation dose rate, passes through the mould
Type calibration factor calibrates the three-dimensional radiation field model of building.
A kind of 3D display device of radiation field, described device include:
Model construction module, for by the radiative source term data acquired from true radiation scene and the three-dimensional that constructs in advance
Model of place is coupled, and three-dimensional radiation field model is obtained, and can calculate the three-dimensional scenic according to the three-dimensional radiation field model
The radiation dose rate of any position in model；
Target projection face determining module, the selection operation that radiation source is identified for obtaining user, and search the institute of selection
It states radiation source and identifies corresponding device identification, wherein the device identification corresponding equipment receiving radiation source, which identifies, to be corresponded to
Radiation source, the outer profile of the equipment is target projection face；
Face determining module to be shown is determined according to the range information and is coated for obtaining the range information of user's input
The face to be shown in the target projection face, wherein the distance between the face to be shown and the target projection face be it is described away from
With a distance from indicated by the information；
Screening module, concentrates for the point included by the face to be shown and screens sub- point set, and the sub- point set is contained in
The point set, wherein the sub- point set of screening can be accommodated by the target projection face；
Projection module, for calculating the dose of radiation that the sub- point concentrates all the points according to the three-dimensional radiation field model
Rate projects to the radiation dose rate of calculating in the target projection face to carry out visualization display.
In one embodiment, the radiative source term data include Distribution of radiation source information, radiation source nucleus number and radiation source
Activity；
Target projection face determining module is also used to the Distribution of radiation source information according to acquisition, described in building
Each radiation source distribution radiation source mark when three-dimensional radiation field model to be distributed in the three-dimensional scene models；Obtain user couple
The selection instruction of radiation source mark carries the radiation source mark of user's selection in the selection instruction；According to pre-establishing
With receiving relationship radiation source mark device identification between incidence relation, search with the radiation source mark it is associated
Device identification；The dimension information and corresponding outer profile model for searching the device identification, according to the dimension information and described
Outer profile model generates the target projection face for having size, and the outer profile in the target projection face is that the outer profile model is signified
The form shown.
In one embodiment, the face determining module to be shown is also used to obtain the range information of user's input, according to
The range information determines the face to be shown for coating the target projection face, wherein the outer profile in the face to be shown with
The outer profile in the target projection face is identical, and the distance between the face to be shown and the target projection face are the distance
Distance indicated by information.
In one embodiment, the screening module includes:
Divide module, for the face to be shown to be divided into the unit of several close-connected setting numerical value；
Equidistant screening module, for being screened at equal intervals in the face to be shown to the unit of segmentation, and
The unit filtered out is marked, the sum of area of the unit of label is not more than the face in the target projection face
Product.
In one embodiment, the equidistant screening module is also used to corresponding apart from letter according to the face to be shown
Breath, search corresponding with the range information preconfigured bolting house every；According to the bolting house every the list to segmentation
Member is screened at equal intervals, and the unit of screening is marked, wherein the unit for guaranteeing to mark area it
With no more than the target projection face area on the basis of, distance indicated by the range information is bigger, configuration it is described
Bolting house is every bigger.
In one embodiment, the projection module is also used to calculate the institute of label according to the three-dimensional radiation field model
The radiation dose rate for stating unit, by the radiation dose rate normal direction of the unit of calculating project in the target projection face with into
Row visualization display.
In one embodiment, described device further includes model calibration module, for by being arranged in the true radiation
The true radiation dose rate of dosage rate detection device collection in worksite predetermined position in scene；According to the three-dimensional spoke of building
Penetrate the simulation radiation dose rate that field model calculates the predetermined position；According to the true radiation dose rate and the simulation spoke
It penetrates dosage rate and calculates model calibration coefficient, school is carried out by the three-dimensional radiation field model of the model calibration coefficient to building
It is quasi-.
The 3D display method and apparatus of above-mentioned radiation field pass through radiation source in the true radiation scene of acquisition device context acquisition
Item data, the radiative source term data can characterize the nuclear radiation situation in Environment near Nuclear Facilities, the radiative source term data render that will acquire
Into the three-dimensional scene models constructed in advance, three-dimensional radiation field model is generated, can be calculated in scene by three-dimensional radiation field model
The radiation dose rate of each coordinate points.Using the appearance profile of equipment where selected radiation source as target projection face, in target
The radiation level in the face to be shown for spatially coating target projection face at different distance interval, face to be shown can be carried out on perspective plane
It include the three-dimensional face to be shown of the different angles such as radiation source front and back, in three-dimensional face to be shown for the polyhedron or curved surface in space
In select characteristic point visualization projection is carried out on the outer profile of 3D solid (namely equipment), three-dimensional is watched at usable family
The radiation level of the three-dimensional configuration of display surface in space apart from a certain distance of radiation source, i.e., it is more flexible in virtual scene
And the comprehensive radiation level for showing radiation field any position.
Detailed description of the invention
Fig. 1 is the applied environment figure of the 3D display method of radiation field in one embodiment；
Fig. 2 is the flow chart of the 3D display method of radiation field in one embodiment；
Fig. 3 A is one of target projection face and the schematic diagram in face to be shown in one embodiment；
Fig. 3 B is two of the schematic diagram in target projection face and face to be shown in one embodiment；
Fig. 4 is that flow chart involved in target projection face is determined in another embodiment；
Fig. 5 is segmentation related flow chart in face to be shown in one embodiment；
The schematic diagram that Fig. 6 is divided for face to be shown in one embodiment；
Fig. 7 is the structural block diagram of the 3D display device of radiation field in one embodiment；
Fig. 8 is the structural block diagram of screening module in one embodiment；
Fig. 9 is the structural block diagram of the 3D display device of radiation field in another embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, in one embodiment, the applied environment figure of a kind of 3D display method of radiation field is provided, it should
Applied environment figure includes acquisition equipment 110 and terminal 120.Acquisition equipment 110 can be communicated with terminal 120.Acquire equipment 110
It is placed in the radiative source term data in true radiation scene (nuclear power plant) in acquisition scene, distributed intelligence, radiation source such as radiation source
Nucleic and nucleic activity.It acquires equipment 110 and collected radiative source term data is sent to terminal, terminal 120 will receive
Radiative source term data be combined with the three-dimensional scene models data constructed in advance, obtain three-dimensional radiation field model, be used for mould
Radiation event in quasi- real scene.The three-dimensional radiation field model is shown in terminal page.Terminal specifies user
The appearance profile of equipment where radiation source mark based on selected target projection face and uses threshold as target projection face
Fixed range information determines the three-dimensional face to be shown in cladding target projection face.According in the Rules Filtering of setting face to be shown
Characteristic point, and the radiation dose rate based on three-dimensional radiation field model calculating characteristic point, by the radiation of the characteristic point in face to be shown
Dosage rate projects in target projection face to carry out visualization display in three-dimensional scene models.
In one embodiment, as shown in Fig. 2, providing a kind of 3D display method of radiation field, this method is to apply
It is illustrated, specifically comprises the following steps: in terminal 120 as shown in Figure 1
Step S202: by the radiative source term data acquired from true radiation scene and the three-dimensional scene models constructed in advance
It is coupled, obtains three-dimensional radiation field model, any position in three-dimensional scene models can be calculated according to three-dimensional radiation field model
Radiation dose rate.
True radiation scene refers in the nuclear power plant's workshop for safeguarding or rebuilding the stage.Acquisition equipment is placed in true radiation field
For acquiring the radiation data of real scene in scape.In one embodiment, acquisition equipment is gamma camera.Gamma camera can
Dynamic measurement is carried out to the radiation level in workshop.
The data of gamma camera acquisition include: that the distributed intelligence of radiation source, the main nucleic of radiative source term and nucleic are living
Degree.Wherein, the distributed intelligence of radiation source can also be obtained by way of artificial in-site measurement, by manual entry into terminal.Spoke
Penetrating source item can be by110mAg、58Co、60A variety of nucleic such as Co are constituted, and as the time deposits, the activity of nucleic can also change.
Terminal receives the radiative source term data of acquisition equipment acquisition, and by itself and the three-dimensional scene models number that builds in advance
According to combination, three-dimensional radiation field model, the radiation level of any position in the model analog real scene are generated.It generates
Three-dimensional radiation field model is shown in the display interface of terminal.
Three-dimensional scene models are to carry out scene referring to true radiation scene drawing or scene photograph by modeling software
Fining modeling.The three-dimensional scene models can embody each details in true radiation scene, be the three-dimensional visualization of radiation field
It lays the foundation.
In one embodiment, it is coupled by the radiative source term data of acquisition with the three-dimensional scene models constructed in advance
Before, the radiative source term data of acquisition are converted to preset data form.By the conversion of data format, radiative source term data can be straight
It scoops out in the three-dimensional scene models for being used in and constructing in advance, three-dimensional scene models is rendered.In one embodiment, it can call
What the radiative source term data conversion that one or more data conversion tools will acquire can be rendered directly at three-dimensional simulation tool
Data format.In another embodiment, data conversion tool can carry in acquisition equipment.Further, gamma camera from
Band data transformation function.
Step S204: obtaining the selection operation that user identifies radiation source, and the radiation source mark for searching selection is corresponding
Device identification, wherein the corresponding equipment of device identification accommodates radiation source and identifies corresponding radiation source, and the outer profile of equipment is target
Perspective plane.
Terminal is simulated the radiation source in true radiation scene when constructing three-dimensional radiation field model, and right
Radiation source in true radiation scene is identified, and radiation source mark is generated.In one embodiment, the radiation field of building
Model is marked radiation source when terminal page is shown.There will be the position of radiation source to be marked.User Ke Ji
Radiation source is selected in terminal display interface in the position mark of radiation source.User can also pass through radiation source identification list
Carry out the specified of radiation source mark.
Radiation source is contained in various equipment, and the equipment for containing radiation source has various specification and shape.Terminal is built in advance
Vertical radiation source mark establishes incidence relation with corresponding splendid attire equipment.Pass through the device identification of radiation source identifier lookup, lookup
The outer profile of the corresponding equipment of device identification is target projection face.
Step S206: obtaining the range information of user's input, according to the determining cladding target projection face of range information to aobvious
Show face, wherein the distance between face to be shown and target projection face be range information indicated by a distance from.
The range information of user's input is face to be shown at a distance from target projection face.The distance values of user's input can be with
It is arbitrary value, such as 1 meter, 1.5 meters, 2 meters.In one embodiment, multiple distance values can be preset in terminal, and user is based on pre-
The distance value being first arranged selects one of them to determine face to be shown.
Face to be shown needs to meet following two condition.One is face to be shown is to be positioned at the periphery in target projection face
Coat the sealing surface in target projection face；The second is the normal distance in face to be shown and target projection face is at a distance from user specifies.
As shown in Figure 3A, 1 indicate spherical equipment where radiation source in figure, 2 indicate determining spherical surface to be shown, determine to
Show that the distance between spherical surface and spherical equipment are distance set by user, and spherical surface to be shown coats spherical equipment, that is, coats
Target projection face.Likewise, equipment where radiation source is square equipment, face to be shown is then coat the square equipment outer
Enclose sealing surface.Face to be shown is h at a distance from square equipment (target projection face).
It should be pointed out that equipment is placed on ground under normal circumstances, accordingly, it is determined that face to be shown and ground formed and seal
Close face.
Step S208: the point included by the face to be shown, which is concentrated, screens sub- point set, and sub- point set is contained in point set, wherein sieve
The sub- point set of choosing can be accommodated by target projection face.
If determining face to be shown is formed by doing, point here, which can be, sets small subregion.That is, to aobvious
Show that face is formed by setting small subregion.In the present embodiment, the concentration of all the points included by the face to be shown selects sub- point set,
The point that the sub- point is concentrated is the characteristic point in face to be shown.
Since the surface area in target projection face is less than the surface area in face to be shown, the sub- point set structure that therefore, it is necessary to select
At surface area be not more than the surface area in target projection face so that radiation dose rate corresponding to the sub- point set selected can be
Target projection is shown in face.
Step S210: the radiation dose rate that son point concentrates all the points is calculated according to three-dimensional radiation field model, by the spoke of calculating
Dosage rate is penetrated to project in target projection face to carry out visualization display.
Based on according to the radiative source term data in true radiation field and the three-dimensional scene models constructed according to real scene
The three-dimensional radiation field model of generation calculates the radiation dose rate of sub- point set, and the radiation dose rate of calculating is projected to target projection
In face.
In one embodiment, the normal direction along face to be shown along subpoint is projected towards target projection face.Such as Fig. 3 A and
Shown in Fig. 3 B, the projecting direction of the sub- point set in face to be shown is projected for the radial direction (namely normal direction) along spherical surface to be shown.
In the present embodiment, true radiative source term data are based on, building can carry out the three-dimensional of radiation field radiation level emulation
Field model is radiated, family can be used to get information about in real scene in virtual scene for the three-dimensional radiation field model based on building
Radiation level.The visualization display of radiation level in the present embodiment is that three-dimensional visualization is shown, firstly, selecting three-dimensional mesh
Perspective plane is marked, three-dimensional face to be shown is then determined according to the range information that user specifies, is based ultimately upon the three dimensional radiation field of building
Model visually shows the radiation level in face to be shown on objective perspective plane.It is cleverer i.e. in virtual scene
The radiation level for showing radiation field any position living and comprehensive.
In addition, the present embodiment is that the range information specified based on user determines face to be shown, realize according to user demand
The three-dimensional visualization for carrying out radiation level is shown.
In one embodiment, as shown in figure 4, radiative source term data include Distribution of radiation source information, radiation source nucleus number and
Radiate source radiation activity.Step S204: obtaining the selection operation that user identifies radiation source, and the radiation source mark for searching selection corresponds to
Device identification, wherein the corresponding equipment of device identification accommodates radiation source and identifies corresponding radiation source, and the outer profile of equipment is mesh
The step of marking perspective plane, comprising:
Step S302: being three-dimensional scenic mould when constructing three-dimensional radiation field model according to the Distribution of radiation source information of acquisition
The each radiation source distribution radiation source mark being distributed in type.
Terminal can obtain point of radiation source in true radiation scene by way of acquisition equipment or by on-site land survey
Cloth information, i.e., the location information of each radiation source.When constructing the three-dimensional radiation field model generated further according to radiative source term data,
To radiation source distribution radiation source mark in model, and it is marked.
While showing to three-dimensional radiation field model, show that radiation source identifies in a model.
Step S304: the selection instruction that user identifies radiation source is obtained, the radiation of user's selection is carried in selection instruction
Source mark.
User can convert at any angle three dimensional radiation field, and user can be by clicking the radiation source marked mark pair
Radiation source is selected.By in three-dimensional radiation field model selective radiation source identify, can make selection it is more intuitive.
In one embodiment, it can also be identified according to the radiation source of distribution and generate radiation source identification list, pass through radiation
Source identification list selects radiation source.
Step S306: it is identified and being associated between device identification according to the radiation source with receiving relationship pre-established
System searches and identifies associated device identification with radiation source.
Step S308: the dimension information and corresponding outer profile model of device identification are searched, according to dimension information and foreign steamer
Wide model generates the target projection face for having size, and the outer profile in target projection face is form indicated by outer profile model.
Terminal is that the equipment for containing radiation source is identified in advance, generating device label, and establishes radiation source mark and contain
Incidence relation is established in the device identification for filling it.As radiation source 1 and the equipment 1 for installing radiation source 1 establish incidence relation.
Terminal pre-establishes multiple outer profile models, and according to the actual form of each equipment, by equipment and outer profile mould
Type establishes incidence relation.The outer profile model that terminal is established can be spherical model, cube model, cylinder model etc..
Actual form such as equipment 1 is close to spherical shape, then establishes the incidence relation of equipment 1 Yu spherical model.
The dimension information for obtaining equipment, determines the equipment energy according to the dimension information and the corresponding outer profile model of equipment
The target projection face enough provided.Such as according to the dimension information of equipment 1, it may be determined that the radius of corresponding spherical outer profile model is
1m, the then spherical surface that radius is 1 meter are just target projection face.
In the present embodiment, user can select arbitrarily to be loaded with the equipment of radiation source as target projection equipment according to demand,
Usable family is more clear the radiation level got information about near the radiation source.
In one embodiment, step S206: obtaining the range information of user's input, determines cladding mesh according to range information
Mark the face to be shown on perspective plane, wherein the distance between face to be shown and target projection face is at a distance from indicated by range informations
The step of are as follows:
The range information for obtaining user's input determines the face to be shown in cladding target projection face according to range information, wherein
The outer profile in face to be shown is identical as the outer profile in target projection face, and the distance between face to be shown and target projection face be away from
With a distance from indicated by the information.
Face to be shown is in addition to needing to meet two above-mentioned conditions (one is face to be shown is positioned at target projection face
Periphery coats the sealing surface in target projection face；The second is the normal distance in face to be shown and target projection face is what user specified
Distance), in the present embodiment, the third condition that face to be shown also needs to meet is: the outer profile and target projection in face to be shown
The outer profile in face is identical.
Since the radiation level on face to be shown is that normal direction projects on target projection face, by the outer profile in face to be shown
It is limited to radiation level identical as the outer profile in target projection face (as shown in Figure 3A and Figure 3B), then to show on target projection face
It can clearly be the radiation level of the corresponding position outside the set distance of normal direction.Namely on target projection face at each position
Radiation level can clear and definite trace back to it is specific in three-dimensional radiation model.
In one embodiment, as shown in figure 5, step S208: the point included by the face to be shown, which is concentrated, screens sub- point set,
Sub- point set is contained in point set, wherein the sub- point set of screening can be accommodated by target projection face, be included the following steps:
Step S402: face to be shown is divided into several close-connected setting numerical value units.
The unit of segmentation is the region with setting area, that is, face to be shown is divided into be divided into several small
Region.In one embodiment, the unit of segmentation is regular hexagon.Such as the schematic diagram for the local segmentation that Fig. 6 is face to be shown, divide
The regular hexagon cut is without being alternatively arranged.The unit of segmentation can also be square, circle etc..
Step S404: screening the unit of segmentation in face to be shown at equal intervals, and carries out to the unit filtered out
Label, the sum of area of unit of label are not more than the area in target projection face.
Terminal can carry out preparatory setting to the interval of screening, can also be set or be selected by user.Such as Fig. 6
Shown, black unit is the unit being marked filtered out, which is divided into twice of side length of regular hexagon.
In one embodiment, according to the corresponding range information in face to be shown, lookup is corresponding with range information to match in advance
The bolting house set every；It is screened at equal intervals according to bolting house every to the unit of segmentation, and the unit of screening is marked,
In, on the basis of guaranteeing that the sum of area of unit of label is not more than the area in target projection face, indicated by range information
Distance is bigger, and the bolting house of configuration is every bigger.
Specifically, terminal configures different sieves previously according to the range information in different target projection faces and face to be shown
Choosing interval.If target projection face is 1 meter at a distance from face to be shown, then twice of cutting unit is divided between screening.Or it is pre-
The incidence relation of first set distance range and bolting house between, such as corresponding bolting house of (0-1) rice are divided into twice of segmentation list
Member.The corresponding bolting house of (1-2) rice is divided into 2.5 times of cutting unit.
With increase of the face to be shown at a distance from target projection face, the radiation level of each cutting unit on face to be shown
Variable gradient becomes smaller.On the basis of the sum of area of unit for guaranteeing to filter out is no more than target projection face, when face to be shown
Radiation level variable gradient it is larger when, the unit of screening should more intensively so that the radiation level of projection be able to reflect this to
The radiation level of display surface；When radiation level variable gradient when face to be shown is smaller, the unit of screening can be with more sparse, to subtract
The computing resource occupied less.
The unit filtered out is marked, and calculates the radiation of the unit marked according to the three-dimensional radiation field model of building
The radiation dose rate normal direction of calculating is projected in target projection face, the spoke on display surface is treated on target projection face by dosage rate
It penetrates dosage rate and carries out visualization display.
In one embodiment, the radiation dose rate of calculating is identified by the depth of colorimetric card color predetermined.
Specifically, passing through the corresponding relationship of color characteristics predetermined and dose of radiation rate score.As red identifies maximum radiation
Dosage rate score, blue identify the smallest dose of radiation rate score.
In one embodiment, in step S202: by the radiative source term data acquired from true radiation scene and in advance
The three-dimensional scene models of building are coupled, and three-dimensional radiation field model is obtained, and can calculate three dimensional field according to three-dimensional radiation field model
It in scape model after the radiation dose rate of any position, further include being modified to the three-dimensional radiation field model of building.
Specific modification method are as follows: 1, pre- by the dosage rate detection device in-site measurement being arranged in true radiation scene
If the true radiation dose rate at position, the radiation intensity that the predeterminated position of measurement goes out is true radiation dose rate.It can be set
One predeterminated position, also can be set multiple predeterminated positions；2, it is calculated according to the three-dimensional radiation field model of building in three-dimensional scenic
The simulation radiation dose rate of above-mentioned predetermined position in model.3, it is calculated according to true radiation dose rate and simulation radiation dose rate
Model calibration coefficient, calibration factor are true radiation dose rate and the ratio for simulating radiation dose rate.4, pass through the calibration of calculating
Coefficient calibrates the three-dimensional radiation field model of building.
When being multiple with predeterminated position, the numerical value of obtained true radiation dose rate and simulation radiation dose rate is also more
A, the calibration factor at corresponding calculating is also multiple.At this point, can be using the average value of multiple calibration factors as actual alignment system
Number.In another embodiment, the maximum and minimum value in multiple calibration factors can also be removed, remaining calibration factor is averaged
Value is used as actual alignment coefficient.
In one embodiment, as shown in fig. 7, a kind of 3D display device of radiation field, the device include:
Model construction module 502, for by the radiative source term data that are acquired from true radiation scene with construct in advance
Three-dimensional scene models are coupled, and three-dimensional radiation field model is obtained, and can calculate three-dimensional scene models according to three-dimensional radiation field model
The radiation dose rate of middle any position.
Target projection face determining module 504, the selection operation that radiation source is identified for obtaining user, and search selection
Radiation source identifies corresponding device identification, wherein and the corresponding equipment of device identification accommodates radiation source and identifies corresponding radiation source, if
Standby outer profile is target projection face.
Face determining module 506 to be shown determines cladding mesh according to range information for obtaining the range information of user's input
Mark the face to be shown on perspective plane, wherein the distance between face to be shown and target projection face is at a distance from indicated by range informations.
Screening module 508 is concentrated for the point included by the face to be shown and screens sub- point set, and sub- point set is contained in point set,
Wherein, the sub- point set of screening can be accommodated by target projection face.
Projection module 510 will be counted for calculating the radiation dose rate that son point concentrates all the points according to three-dimensional radiation field model
The radiation dose rate of calculation projects in target projection face to carry out visualization display.
In one embodiment, radiative source term data include Distribution of radiation source information, radiation source nucleus number and radiation source radiation activity.
Target projection face determining module 504 is also used to the Distribution of radiation source information according to acquisition, is when constructing three-dimensional radiation field model
The each radiation source distribution radiation source mark being distributed in three-dimensional scene models；The selection instruction that user identifies radiation source is obtained,
The radiation source mark of user's selection is carried in selection instruction；It identifies and sets according to the radiation source with receiving relationship pre-established
Incidence relation between standby mark, searches and identifies associated device identification with radiation source；Search device identification dimension information and
Corresponding outer profile model generates the target projection face for having size, target projection face according to dimension information and outer profile model
Outer profile be outer profile model indicated by form.
In one embodiment, face determining module 506 to be shown is also used to obtain the range information of user's input, according to
Range information determines the face to be shown in cladding target projection face, wherein the outer profile in face to be shown and the foreign steamer in target projection face
It is wide identical, and the distance between face to be shown and target projection face is at a distance from indicated by range informations.
In one embodiment, as shown in figure 8, screening module 508 includes:
Divide module 602, for face to be shown to be divided into the unit of several close-connected setting numerical value.
Equidistant screening module 604, for being screened at equal intervals in face to be shown to the unit of segmentation, and to screening
Unit out is marked, and the sum of area of unit of label is not more than the area in target projection face.
In one embodiment, equidistant screening module 604 is also used to be looked into according to the corresponding range information in face to be shown
Look for preconfigured bolting house corresponding with range information every；It is screened at equal intervals according to bolting house every to the unit of segmentation,
And the unit of screening is marked, wherein guaranteeing area of the sum of the area of unit of label no more than target projection face
On the basis of, distance indicated by range information is bigger, and the bolting house of configuration is every bigger.
In one embodiment, projection module 510 are also used to calculate the spoke of the unit of label according to three-dimensional radiation field model
Dosage rate is penetrated, the radiation dose rate normal direction of the unit of calculating is projected in target projection face to carry out visualization display.
In one embodiment, it as shown in figure 9, the 3D display device of radiation field further includes model calibration module 702, is used for
True radiation dose rate by the dosage rate detection device collection in worksite predetermined position being arranged in true radiation scene；Root
The simulation radiation dose rate of predetermined position is calculated according to the three-dimensional radiation field model of building；According to true radiation dose rate and simulation
Radiation dose rate calculates model calibration coefficient, is calibrated by three-dimensional radiation field model of the model calibration coefficient to building.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, program can be stored in a computer-readable storage medium, such as
In the embodiment of the present invention, which be can be stored in the storage medium of computer system, and by the computer system at least
One processor executes, and includes the process such as the embodiment of above-mentioned each method with realization.Wherein, storage medium can be magnetic disk, light
Disk, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory,
RAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (14)
1. a kind of 3D display method of radiation field, which comprises
The radiative source term data acquired from true radiation scene are coupled with the three-dimensional scene models constructed in advance, are obtained
Three-dimensional radiation field model can calculate the radiation of any position in the three-dimensional scene models according to the three-dimensional radiation field model
Dosage rate；The radiative source term data include Distribution of radiation source information, radiation source nucleus number and radiation source radiation activity；
The selection operation that user identifies radiation source is obtained, and the radiation source for searching selection identifies corresponding device identification,
Wherein, the corresponding equipment of the device identification accommodates the radiation source and identifies corresponding radiation source, and the outer profile of the equipment is
Target projection face；Include: the Distribution of radiation source information according to acquisition, is described when constructing the three-dimensional radiation field model
The each radiation source distribution radiation source mark being distributed in three-dimensional scene models；The selection that user identifies the radiation source is obtained to refer to
It enables, the radiation source mark of user's selection is carried in the selection instruction；According to the radiation source with receiving relationship pre-established
Incidence relation between mark and device identification is searched and identifies associated device identification with the radiation source；Search the equipment
The dimension information of mark and corresponding outer profile model generate according to the dimension information and the outer profile model and have size
Target projection face, the outer profile in the target projection face is form indicated by the outer profile model；
The range information for obtaining user's input determines the face to be shown for coating the target projection face according to the range information,
Wherein, the distance between the face to be shown and the target projection face be the range information indicated by a distance from；
The point included by the face to be shown, which is concentrated, screens sub- point set, and the sub- point set is contained in the point set, wherein screening
The sub- point set can be accommodated by the target projection face；The point that the sub- point is concentrated is the characteristic point in face to be shown；
The radiation dose rate that the sub- point concentrates all characteristic points is calculated according to the three-dimensional radiation field model, it will be described to be shown
The radiation dose rate of characteristic point in face projects in the target projection face to carry out visualization display.
2. the method according to claim 1, wherein it is described obtain user input range information, according to described
Range information determines the face to be shown for coating the target projection face, wherein the face to be shown and the target projection face it
Between distance be the range information indicated by apart from the step of are as follows:
The range information for obtaining user's input determines according to the range information and coats the described to be shown of the target projection face
Face, wherein the outer profile in the face to be shown is identical as the outer profile in the target projection face, and the face to be shown with it is described
The distance between target projection face is distance indicated by the range information.
3. the method according to claim 1, wherein the point included by the face to be shown concentrates screening
Sub- point set, the sub- point set are contained in the point set, wherein the sub- point set of screening can be held by the target projection face
The step of receiving, comprising:
The face to be shown is divided into the unit of several close-connected setting numerical value；
The unit of segmentation is screened at equal intervals in the face to be shown, and the unit filtered out is marked
Note, the sum of area of the unit of label are not more than the area in the target projection face.
4. according to the method described in claim 3, it is characterized in that, it is described in the face to be shown to the unit of segmentation
It is screened at equal intervals, the unit filtered out is marked, the sum of area of the unit of label is no more than described
The step of area in target projection face, comprising:
According to the corresponding range information in the face to be shown, preconfigured bolting house corresponding with the range information is searched
Every；
It is screened at equal intervals according to the bolting house every to the unit of segmentation, and the unit of screening is marked
Note, wherein described on the basis of guaranteeing that the sum of area of the unit of label is not more than the area in the target projection face
Distance indicated by range information is bigger, and the bolting house of configuration is every bigger.
5. according to the method described in claim 3, it is characterized in that, described calculate the son according to the three-dimensional radiation field model
Point concentrates the radiation dose rate of all characteristic points, and the radiation dose rate of the characteristic point in the face to be shown is projected to the mesh
The step of marking in perspective plane to carry out visualization display are as follows:
The radiation dose rate that the unit of label is calculated according to the three-dimensional radiation field model, by the spoke of the unit of calculating
Dosage rate normal direction is penetrated to project in the target projection face to carry out visualization display.
6. the method according to claim 1, wherein in the radiation source that will be acquired from true radiation scene
Item data is coupled with the three-dimensional scene models constructed in advance, obtains three-dimensional radiation field model, according to the three dimensional radiation field
Model can calculate after the step of radiation dose rate of any position in the three-dimensional scene models, further includes:
True radiation by the dosage rate detection device collection in worksite predetermined position being arranged in the true radiation scene
Dosage rate；
The simulation radiation dose rate of the predetermined position is calculated according to the three-dimensional radiation field model of building；
Model calibration coefficient is calculated according to the true radiation dose rate and the simulation radiation dose rate, passes through the model school
Quasi- coefficient calibrates the three-dimensional radiation field model of building.
7. a kind of 3D display device of radiation field, which is characterized in that described device includes:
Model construction module, for by the radiative source term data acquired from true radiation scene and the three-dimensional scenic that constructs in advance
Model is coupled, and three-dimensional radiation field model is obtained, and can calculate the three-dimensional scene models according to the three-dimensional radiation field model
The radiation dose rate of middle any position；The radiative source term data include Distribution of radiation source information, radiation source nucleus number and radiation
Source radiation activity；
Target projection face determining module, the selection operation that radiation source is identified for obtaining user, and search the spoke of selection
It penetrates source and identifies corresponding device identification, wherein the device identification corresponding equipment receiving radiation source identifies corresponding spoke
Source is penetrated, the outer profile of the equipment is target projection face；Target projection face determining module, is also used to according to acquisition
Distribution of radiation source information, each radiation source when constructing the three-dimensional radiation field model to be distributed in the three-dimensional scene models
Distribute radiation source mark；The selection instruction that user identifies the radiation source is obtained, user's selection is carried in the selection instruction
Radiation source mark；The incidence relation between device identification is identified according to the radiation source with receiving relationship pre-established,
It searches and identifies associated device identification with the radiation source；Search the dimension information and corresponding outer profile mould of the device identification
Type generates the target projection face for having size according to the dimension information and the outer profile model, the target projection face
Outer profile is form indicated by the outer profile model；
Face determining module to be shown determines described in coating for obtaining the range information of user's input according to the range information
The face to be shown in target projection face, wherein the distance between the face to be shown and the target projection face are the distance letter
The indicated distance of breath；
Screening module, concentrates for the point included by the face to be shown and screens sub- point set, and the sub- point set is contained in described
Point set, wherein the sub- point set of screening can be accommodated by the target projection face；The point that the sub- point is concentrated is to be shown
Characteristic point in face；
Projection module, for calculating the dose of radiation that the sub- point concentrates all characteristic points according to the three-dimensional radiation field model
Rate projects to the radiation dose rate of the characteristic point in the face to be shown aobvious to carry out visualization in the target projection face
Show.
8. device according to claim 7, which is characterized in that the face determining module to be shown is also used to obtain user
The range information of input determines the face to be shown for coating the target projection face according to the range information, wherein described
The outer profile in face to be shown is identical as the outer profile in the target projection face, and the face to be shown and the target projection face it
Between distance be the range information indicated by distance.
9. device according to claim 7, which is characterized in that the screening module includes:
Divide module, for the face to be shown to be divided into the unit of several close-connected setting numerical value；
Equidistant screening module, for being screened at equal intervals in the face to be shown to the unit of segmentation, and to sieve
The unit selected is marked, and the sum of area of the unit of label is not more than the area in the target projection face.
10. device according to claim 9, which is characterized in that the equidistant screening module, be also used to according to it is described to
The corresponding range information of display surface, search corresponding with the range information preconfigured bolting house every；According to the screening
The unit of segmentation is screened at interval at equal intervals, and the unit of screening is marked, wherein is guaranteeing to mark
The sum of the area of the unit no more than the area in the target projection face on the basis of, indicated by the range information away from
From bigger, the bolting house of configuration is every bigger.
11. device according to claim 9, which is characterized in that the projection module is also used to according to the three-dimensional radiation
Field model calculates the radiation dose rate of the unit of label, and the radiation dose rate normal direction of the unit of calculating is projected to institute
It states in target projection face to carry out visualization display.
12. device according to claim 7, which is characterized in that described device further includes model calibration module, for passing through
It is arranged in the true radiation dose rate of the dosage rate detection device collection in worksite predetermined position in the true radiation scene；Root
The simulation radiation dose rate of the predetermined position is calculated according to the three-dimensional radiation field model of building；According to the true radiation
Dosage rate and the simulation radiation dose rate calculate model calibration coefficient, by the model calibration coefficient to described the three of building
Dimension radiation field model is calibrated.
13. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 6 the method when executing the computer program.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 6 is realized when being executed by processor.
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| CN109271719B (en) * | 2018-09-27 | 2023-04-18 | 岭东核电有限公司 | Radiation shielding treatment method and system for lead bismuth stack radioactive equipment |
| CN110018509A (en) * | 2019-03-05 | 2019-07-16 | 中国辐射防护研究院 | It is a kind of for looking for the scanning visualization device of gamma source item hot spot in space |
| CN110261887B (en) * | 2019-06-27 | 2023-03-21 | 南华大学 | Method, device and medium for discriminating radiation ray types |
| CN110873889B (en) * | 2019-11-19 | 2021-09-24 | 中国人民解放军海军工程大学 | Penetrating radiation emergency detection simulation system and method |
| CN111239791A (en) * | 2020-01-17 | 2020-06-05 | 卡迪诺科技(北京)有限公司 | Radiation dose field simulation method and device |
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