CN113240800A - Three-dimensional temperature flow field thermodynamic diagram display method and device - Google Patents
Three-dimensional temperature flow field thermodynamic diagram display method and device Download PDFInfo
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Abstract
The invention discloses a method and a device for displaying a thermodynamic diagram of a three-dimensional temperature flow field, which are applied to target equipment, wherein the method comprises the following steps: the method comprises the steps of obtaining a three-dimensional contour model of target equipment, and constructing a main map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target equipment, and the main map is used for identifying texture features of the target equipment; constructing a full-color segment map, and determining a self-luminous channel map based on the main map and the full-color segment map, wherein the full-color segment map is related to temperature; obtaining an opacity map, and determining an opacity channel map based on the main map and the opacity map; and determining a three-dimensional temperature flow field thermodynamic diagram of the target equipment based on the self-light-emitting channel map, the opaque channel map, the main map and the three-dimensional contour model. In the process, the thermodynamic diagrams of the three-dimensional temperature flow field of the target equipment are displayed through the self-light-emitting channel map, the non-transparent channel map, the main map and the three-dimensional contour model, and the display of the thermodynamic diagrams of the three-dimensional temperature flow is visual and clear.
Description
Technical Field
The invention relates to the technical field of temperature flow fields, in particular to a method and a device for displaying a thermodynamic diagram of a three-dimensional temperature flow field.
Background
In order to ensure the normal operation of the equipment, the real-time temperature conditions of each part position of the equipment are monitored in the working process of the equipment and displayed in a thermodynamic diagram mode, so that abnormal conditions such as equipment shutdown or faults caused by overhigh temperature are avoided.
However, the existing thermodynamic diagram is displayed in a two-dimensional mode, the thermodynamic diagram is in a line form, the engine is taken as an example, the engine is divided into a plurality of components, the whole engine is mainly divided into 7 components such as an air inlet channel, an air compressor, a combustion chamber, a turbine and a nozzle, and the positions of the corresponding components in the two-dimensional mode are not clear enough and are not intuitive.
Disclosure of Invention
In view of the above problems, the invention provides a method and a device for displaying a thermodynamic diagram of a three-dimensional temperature flow field, which are used for solving the problem that the thermodynamic diagram in a two-dimensional form in the prior art is displayed to cause the position of a component to be not clear and intuitive enough, and the specific scheme is as follows:
a three-dimensional temperature flow field thermodynamic diagram display method is applied to target equipment and comprises the following steps:
acquiring a three-dimensional contour model of the target equipment, and constructing a master map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target equipment, and the master map is used for identifying texture features of the target equipment;
constructing a full-color segment map, and determining a self-luminous channel map based on the main map and the full-color segment map, wherein the full-color segment map is related to temperature;
obtaining an opacity map, and determining an opaque channel map based on the main map and the opacity map;
determining a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map, and the three-dimensional contour model.
The method optionally constructs a full-color segment map, including:
acquiring the volume ratio of each part in the unit profile model;
multiplying each single-color map by a corresponding color value based on the volume ratio to obtain a single-color coloring map, wherein the selection of the color value is determined based on the temperature of the corresponding component;
and accumulating the single-color coloring maps to obtain a full-color section map.
The method optionally includes determining a self-luminous channel map based on the main map and the full-color segment map, including:
acquiring the RGB color of the master map;
and multiplying the RGB color by the full-color section color map to obtain the self-luminous channel map.
The foregoing method, optionally, determining an opaque channel map based on the main map and the opacity map, includes:
acquiring a transparency value of the master map;
and multiplying the transparency value by the opacity map to obtain the opacity channel map.
The foregoing method, optionally, determining a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map, and the three-dimensional contour model, includes:
transferring the self-luminous channel map, the opaque channel map and the main map to a material ball;
taking the output of the material ball as the input of a meshiender component;
and taking the output of the meshirender assembly as the input of the three-dimensional contour model to obtain a three-dimensional temperature flow field thermodynamic diagram.
The foregoing method, optionally, before determining the three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map, and the three-dimensional contour model, further includes:
and multiplying the self-luminous channel map by a preset multiple.
A three-dimensional temperature flow field thermodynamic diagram display device is applied to target equipment and comprises:
the acquiring and constructing module is used for acquiring a three-dimensional contour model of the target device and constructing a master map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target device, and the master map is used for identifying texture features of the target device;
a construction and determination module for constructing a full color segment map, determining a self-luminous channel map based on the main map and the full color segment map, wherein the full color segment map is related to temperature;
the obtaining and determining module is used for obtaining an opacity map and determining an opaque channel map based on the main map and the opacity map;
a determination module for determining a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map and the three-dimensional contour model.
The above apparatus, optionally, the constructing and determining module includes:
the first acquisition unit is used for acquiring the volume ratio of each part in the unit profile model;
the first determining unit is used for multiplying each single-color map by a corresponding color value based on the volume ratio to obtain a single-color coloring map, wherein the color value is determined based on the temperature of the corresponding component;
and the accumulation unit is used for accumulating the single-color coloring maps to obtain a full-color section map.
The above apparatus, optionally, the constructing and determining module includes:
the second acquisition unit is used for acquiring the RGB color of the master map;
and the second determining unit is used for multiplying the RGB color and the full-color segment color map to obtain the self-luminous channel map.
The above apparatus, optionally, the obtaining and determining module includes:
a third obtaining unit, configured to obtain a transparency value of the master map;
and the third determining unit is used for multiplying the transparency value and the opacity map to obtain the opacity channel map.
Compared with the prior art, the invention has the following advantages:
the invention discloses a method and a device for displaying a thermodynamic diagram of a three-dimensional temperature flow field, which are applied to target equipment, wherein the method comprises the following steps: the method comprises the steps of obtaining a three-dimensional contour model of target equipment, and constructing a main map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target equipment, and the main map is used for identifying texture features of the target equipment; constructing a full-color segment map, and determining a self-luminous channel map based on the main map and the full-color segment map, wherein the full-color segment map is related to temperature; obtaining an opacity map, and determining an opacity channel map based on the main map and the opacity map; and determining a three-dimensional temperature flow field thermodynamic diagram of the target equipment based on the self-light-emitting channel map, the opaque channel map, the main map and the three-dimensional contour model. In the process, the thermodynamic diagrams of the three-dimensional temperature flow field of the target equipment are displayed through the self-light-emitting channel map, the non-transparent channel map, the main map and the three-dimensional contour model, and the display of the thermodynamic diagrams of the three-dimensional temperature flow is visual and clear.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flow chart of a method for displaying a thermodynamic diagram of a three-dimensional temperature flow field according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a UV acquisition method disclosed in an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a thermodynamic diagram of a three-dimensional temperature flow field according to an embodiment of the present invention;
fig. 4 is a structural block diagram of a three-dimensional temperature flow field thermodynamic diagram display device provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a method and a device for displaying a three-dimensional temperature flow field thermodynamic diagram, which are applied to the display process of the temperature flow field thermodynamic diagram of target equipment, wherein the temperature flow field refers to a flow field, and the speed and the pressure intensity are changed. Caused by the rotation of engine components inside the engine while the aircraft is in flight. The general term of the flow velocity field, the pressure field and the like on the time and space point coordinate field is defined by the flow velocity, the pressure and other functions of the fluid particle motion described by the Euler method. The spatial distribution of the air flow movement at a certain moment. The thermodynamic diagram, also called heat map, refers to the thermal power over temperature, different temperature values showing different thermal power colors.
In the prior art, thermodynamic diagrams are displayed in a two-dimensional mode in a line mode, and the positions of corresponding parts in the two-dimensional mode are not clear enough and are not visual enough. Based on the above problems, the present invention provides a method for displaying a thermodynamic diagram of a three-dimensional temperature flow field, where the method is applied to a target device, where the target device may be an engine or a gearbox, and in the embodiment of the present invention, a specific existence form of the target device is not limited, and a content parent company is provided, in the embodiment of the present invention, the target device is an aircraft engine as an example, and an execution flow of the method is shown in fig. 1, and includes:
s101, obtaining a three-dimensional contour model of the target device, and constructing a master map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target device, and the master map is used for identifying texture features of the target device;
in the embodiment of the present invention, geometric parameters of an engine are obtained in advance, a three-dimensional contour model of the engine is constructed through three-dimensional software based on the geometric parameters, preferably, in the embodiment of the present invention, the three-dimensional software is 3D Max modeling software, after the construction is completed, the three-dimensional contour model is stored to a specified position, and in the case of receiving a thermodynamic diagram display instruction for the engine, the three-dimensional contour model is obtained at the specified position, and the three-dimensional contour model is given a material with a line texture pattern, where the line texture pattern is to reflect a flow sensation of heat flow, the line texture exists in a map form, and a map in which each component in the engine exists in a texture is used as a main map mainmap MainTex of the engine.
S102, constructing a full-color segment map, and determining a self-luminous channel map based on the main map and the full-color segment map, wherein the full-color segment map is related to temperature;
in the embodiment of the invention, a material ball loader is programmed in advance and comprises a self-luminous channel and an opaque channel. The material ball is a key step for realizing the three-dimensional temperature flow field thermodynamic diagram, and different colors can be displayed on the three-dimensional contour model based on the material ball and the material ball is in a flowing state. The whole writing process of Shader is a plug-in called loader form of the Unity3d engine, and the plug-in is a visual programming plug-in similar to a blueprint and connected with corresponding nodes.
From the above, the main material of the three-dimensional contour model is mainly divided into two major parts, namely a self-luminous channel and an opaque channel. Firstly, acquiring UV of the three-dimensional contour model through a UV Coord function, wherein the UV acquisition process is shown in FIG. 2, and the sharforge provides a data node [ UV Coord ] for providing UV of the object. The panner node is a UV shifter, that is, where the preset offset value Dist is assigned, the larger the preset offset value is, the faster the movement is, whereas the smaller the preset offset value is, the slower the movement is, which may be fixed or dynamically changed, and the UV and the set offset value are transmitted to the panner to obtain UV information, where the preset offset value may be set based on experience or specific conditions. The preset offset value may be a dynamic effect, and the effect is a dynamic effect. Where two externally alterable variables U and V, U representing the speed of movement of the offset in the lateral direction and V representing the speed of movement of the offset in the vertical direction. Because the effect of the lateral flow of the heat flow is to be displayed, the UV is laterally offset, allowing the heat flow to flow from left to right. And transmitting the acquired UV to the main map to obtain the RGB color of the main map.
In the embodiment of the present invention, the engine includes: the air inlet, the fan, the compressor, the combustion chamber, the turbine part 1, the turbine part 2 and the nozzle are seven parts. The turbine position temperature is large in change, so that the turbine position temperature is detailed into 2 parts for display, namely the engine is composed of 7 parts, the volumes of the 7 parts are obtained, the volume ratio of seven parts is calculated, 7 single-color maps of the transmitter are determined based on the volume ratio, and the seven single-color maps are added to obtain the whole single-color map from left to right on the whole three-dimensional contour model. The monochrome map is a colorless black-and-white map and is fixed. The color values on the color sections are dynamic, in the working process of an engine, the higher the temperature on the corresponding position is, the more yellow and more red the color is, otherwise, the lower the temperature is, the more green and more blue the color is, a temperature color value algorithm is adopted to calculate the color values corresponding to the temperature, wherein the temperature color value algorithm receives the color parameters corresponding to the color sections in real time through a simulation platform, the color parameters comprise hue, saturation and brightness values, and the conversion formula of HSV conversion RGB is used for calculating to obtain RGB values, namely the color RGB values of the sections of 7 color sections in the self-luminous channel.
Each single color map can be individually set with colors in colors 1-7 in a color segment based on specific conditions, wherein the color segment is preset based on experience or specific conditions, and seven colors are added to obtain a full color segment map from left to right on the whole three-dimensional model. After the whole single-color mapping is combined with the whole color section, 7 single-color mapping parts have the effect of corresponding colors, and the obtained full-color section mapping is obtained.
Further, multiplying the RGB color by the full-color segment color map to obtain the self-luminous channel map.
For example, the entire color segment, i.e., 7 distinct color segments.
Single color segment operation: and multiplying the black-white image in each color section by the color value to obtain a color image of the color section.
7 color segment integral operations: 7 color maps have been obtained, and these 7 color maps are subjected to an addition operation one by one. Since the adding operation is performed for a maximum of 4, all the first 4 are added, the last 3 are added, and the two results are added again to obtain a total of 7, i.e. the full-color segment map.
Further, in order to make the color of the self-luminous channel map brighter, the self-luminous channel map may be multiplied by a preset multiple before generating the three-dimensional flow field thermodynamic map, wherein the preset multiple may be selected based on experience or specific conditions, and is not specifically limited in the embodiment of the present invention
S103, obtaining an opacity map, and determining an opacity channel map based on the main map and the opacity map;
in the embodiment of the present invention, the opaque maps are pre-established, and multiple opaque maps may be selected based on experience or specific conditions to obtain the opaque maps, where the left end 1/4 part of the opaque maps is an effect of gradually changing from transparent to opaque from left to right, the right end 1/4 part of the opaque maps is an effect of gradually changing from transparent to opaque from right to left, and the middle part of the opaque maps is opaque. This achieves the effect of becoming less transparent from the two sides of transparency to the middle. Further, obtaining the transparency value of the output end of the main map,
and multiplying the opaque chartlet and the transparency Alpha value to obtain an opaque channel chartlet. Wherein the opaque channel map is used for realizing the effect of blurring two ends of the thermodynamic diagram.
S104, determining a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-luminous channel map, the opaque channel map, the main map and the three-dimensional contour model.
In the embodiment of the invention, the self-luminous channel map, the opaque channel map and the main map are transferred to a material ball; taking the output of the material ball as the input of a meshiender component; and taking the output of the meshirender assembly as the input of the three-dimensional contour model to obtain a three-dimensional temperature flow field thermodynamic diagram.
The invention discloses a three-dimensional temperature flow field thermodynamic diagram display method, which is applied to target equipment and comprises the following steps: the method comprises the steps of obtaining a three-dimensional contour model of target equipment, and constructing a main map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target equipment, and the main map is used for identifying texture features of the target equipment; constructing a full-color segment map, and determining a self-luminous channel map based on the main map and the full-color segment map, wherein the full-color segment map is related to temperature; obtaining an opacity map, and determining an opacity channel map based on the main map and the opacity map; and determining a three-dimensional temperature flow field thermodynamic diagram of the target equipment based on the self-light-emitting channel map, the opaque channel map, the main map and the three-dimensional contour model. In the process, the thermodynamic diagrams of the three-dimensional temperature flow field of the target equipment are displayed through the self-light-emitting channel map, the non-transparent channel map, the main map and the three-dimensional contour model, and the display of the thermodynamic diagrams of the three-dimensional temperature flow is visual and clear.
Further, after the engine is started, the temperature of each component position is different, and the different temperature shows different colors according to the cold and warm color gradient. In the embodiment of the invention, a three-dimensional model constructed according to the appearance of an engine and a temperature map are displayed on the three-dimensional model, the execution process can be exemplified by freely checking the color change situation of each part position of the engine at each angle, the execution flow is shown in fig. 3, firstly, UV of a 3D model (a three-dimensional contour model) is obtained through UV Coord, UV offset is set through panner, transparency value and RGB color are determined based on UV, offset and a master map, and color segmentation is carried out at the other end, the specific segmentation times are not limited in the embodiment of the invention, the segmentation is illustrated by taking 7 segments as an example, the segmentation times are respectively a color segment 1 and a color segment 2 … color segment 7, all the color segments are added to obtain a whole color segment map (a full color segment map), RGB color values are multiplied by the map of the whole color segment to obtain a self-luminous channel map, further, the transparency value is multiplied by the opacity mapping to obtain an opacity channel mapping, and the opacity channel mapping and the self-luminous channel mapping are transmitted to the main material of the 3D model.
Based on the above three-dimensional temperature flow field thermodynamic diagram display method, in an embodiment of the present invention, a three-dimensional temperature flow field thermodynamic diagram display device is provided, a structural block diagram of the device is shown in fig. 4, and the three-dimensional temperature flow field thermodynamic diagram display device includes:
an acquisition and construction module 201, a construction and determination module 202, an acquisition and determination module 203, and a determination module 204.
Wherein the content of the first and second substances,
the obtaining and constructing module 201 is configured to obtain a three-dimensional contour model of the target device, and construct a master map based on the three-dimensional contour model, where the three-dimensional contour model is used to identify geometric parameters of the target device, and the master map is used to identify texture features of the target device;
the build and determine module 202, configured to build a full-color segment map, and determine a self-luminous channel map based on the main map and the full-color segment map, where the full-color segment map is related to temperature;
the obtaining and determining module 203 is configured to obtain an opacity map, and determine an opacity channel map based on the main map and the opacity map;
the determining module 204 is configured to determine a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map, and the three-dimensional contour model.
In this embodiment of the present invention, the constructing and determining module 202 includes:
a first acquisition unit 205, a first determination unit 206 and an accumulation unit 207.
Wherein the content of the first and second substances,
the first obtaining unit 205 is configured to obtain a volume fraction of each component in the unit profile model;
the first determining unit 206, configured to multiply each monochrome map by a corresponding color value based on the volume ratio to obtain a monochrome color map, where the selection of the color value is determined based on the temperature of the corresponding component;
the accumulation unit 207 is configured to accumulate the single-color rendering maps to obtain a full-color segment map.
In this embodiment of the present invention, the constructing and determining module 202 includes:
a second acquisition unit 208 and a second determination unit 209.
Wherein the content of the first and second substances,
the second obtaining unit 208 is configured to obtain RGB colors of the master map;
the second determining unit 209 is configured to multiply the RGB colors by the full-color segment color map to obtain the self-light-emitting channel map.
In this embodiment of the present invention, the obtaining and determining module 203 includes:
a third acquisition unit 210 and a third determination unit 211.
Wherein the content of the first and second substances,
the third obtaining unit 210 is configured to obtain a transparency value of the master map;
the third determining unit 211 is configured to multiply the transparency value and the opacity map to obtain the opaque channel map.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method and the device for displaying the thermodynamic diagram of the three-dimensional temperature flow field provided by the invention are described in detail, a specific example is applied in the method to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A three-dimensional temperature flow field thermodynamic diagram display method is applied to target equipment and comprises the following steps:
acquiring a three-dimensional contour model of the target equipment, and constructing a master map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target equipment, and the master map is used for identifying texture features of the target equipment;
constructing a full-color segment map, and determining a self-luminous channel map based on the main map and the full-color segment map, wherein the full-color segment map is related to temperature;
obtaining an opacity map, and determining an opaque channel map based on the main map and the opacity map;
determining a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map, and the three-dimensional contour model.
2. The method of claim 1, wherein constructing a full color segment map comprises:
acquiring the volume ratio of each part in the unit profile model;
multiplying each single-color map by a corresponding color value based on the volume ratio to obtain a single-color coloring map, wherein the selection of the color value is determined based on the temperature of the corresponding component;
and accumulating the single-color coloring maps to obtain a full-color section map.
3. The method of claim 1, wherein determining a self-luminous channel map based on the main map and the full-color segment map comprises:
acquiring the RGB color of the master map;
and multiplying the RGB color by the full-color section color map to obtain the self-luminous channel map.
4. The method of claim 1, wherein determining an opaque channel map based on the main map and the opacity map comprises:
acquiring a transparency value of the master map;
and multiplying the transparency value by the opacity map to obtain the opacity channel map.
5. The method of claim 1, wherein determining a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map, and the three-dimensional contour model comprises:
transferring the self-luminous channel map, the opaque channel map and the main map to a material ball;
taking the output of the material ball as the input of a meshiender component;
and taking the output of the meshirender assembly as the input of the three-dimensional contour model to obtain a three-dimensional temperature flow field thermodynamic diagram.
6. The method of claim 1, wherein prior to determining a three-dimensional temperature flow field thermodynamic diagram for the target device based on the self-bleeding channel map, the opaque channel map, the main map, and the three-dimensional contour model, further comprising:
and multiplying the self-luminous channel map by a preset multiple.
7. A three-dimensional temperature flow field thermodynamic diagram display device is applied to target equipment and comprises:
the acquiring and constructing module is used for acquiring a three-dimensional contour model of the target device and constructing a master map based on the three-dimensional contour model, wherein the three-dimensional contour model is used for identifying geometric parameters of the target device, and the master map is used for identifying texture features of the target device;
a construction and determination module for constructing a full color segment map, determining a self-luminous channel map based on the main map and the full color segment map, wherein the full color segment map is related to temperature;
the obtaining and determining module is used for obtaining an opacity map and determining an opaque channel map based on the main map and the opacity map;
a determination module for determining a three-dimensional temperature flow field thermodynamic diagram of the target device based on the self-bleeding channel map, the opaque channel map, the main map and the three-dimensional contour model.
8. The apparatus of claim 7, wherein the build and determine module comprises:
the first acquisition unit is used for acquiring the volume ratio of each part in the unit profile model;
the first determining unit is used for multiplying each single-color map by a corresponding color value based on the volume ratio to obtain a single-color coloring map, wherein the color value is determined based on the temperature of the corresponding component;
and the accumulation unit is used for accumulating the single-color coloring maps to obtain a full-color section map.
9. The apparatus of claim 7, wherein the build and determine module comprises:
the second acquisition unit is used for acquiring the RGB color of the master map;
and the second determining unit is used for multiplying the RGB color and the full-color segment color map to obtain the self-luminous channel map.
10. The apparatus of claim 7, wherein the means for obtaining and determining comprises:
a third obtaining unit, configured to obtain a transparency value of the master map;
and the third determining unit is used for multiplying the transparency value and the opacity map to obtain the opacity channel map.
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