CN115952571B - IES light source binding method, device and storage medium - Google Patents
IES light source binding method, device and storage medium Download PDFInfo
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- 238000005286 illumination Methods 0.000 abstract 1
- 238000004422 calculation algorithm Methods 0.000 description 8
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The application discloses an IES light source binding method, an IES light source binding device and a storage medium, and relates to the technical field of illumination simulation, wherein the method comprises the following steps: identifying the luminous surface and the light direction of the lamp; receiving a selection instruction for selecting an IES light source; binding the IES light source to the light emitting face according to the direction of the light after receiving the selection instruction; the IES light source after binding is arranged on the normal line of the light emitting surface and is spaced from the light emitting point of the light emitting surface by a preset distance, and the light emitting direction of the IES light source is consistent with the light ray direction. The problem that IES light sources bound for lamps in the prior art cannot be configured and possibly cannot meet the requirements of users is solved, and the effect that users can bind the IES light sources in a self-defined mode according to the requirements is achieved.
Description
Technical Field
The invention relates to an IES light source binding method, an IES light source binding device and a storage medium, and belongs to the technical field of simulation modeling.
Background
In lighting simulation systems, IES (or other types of light source distribution curve files) need to be bound to the light emitting surfaces of different types of luminaires, the orientation of which needs to be determined according to the styling of the luminaire.
In the existing scheme, after the light emitting surface is identified, a default IES light source is bound, and a user cannot configure according to personal requirements.
Disclosure of Invention
The invention aims to provide an IES light source binding method, an IES light source binding device and a storage medium, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
according to a first aspect, an embodiment of the present invention provides an IES light source binding method, the method including:
identifying the luminous surface and the light direction of the lamp;
receiving a selection instruction for selecting an IES light source;
binding the IES light source to the light emitting face according to the direction of the light after receiving the selection instruction; the IES light source after binding is arranged on the normal line of the light emitting surface and is spaced from the light emitting point of the light emitting surface by a preset distance, and the light emitting direction of the IES light source is consistent with the light ray direction.
Optionally, if the selection instruction is a click instruction and the identified light emitting surface includes at least two light emitting surfaces, after receiving the click instruction, binding the IES light source to the light emitting surface according to the light direction, including:
and if the light emitting surfaces of the unbound light sources exist in the at least two light emitting surfaces, binding the IES light source for the light emitting surface with the highest priority in the light emitting surfaces of the unbound light sources.
Optionally, if the selection instruction is a click instruction and the identified light emitting surface includes at least two light emitting surfaces, after receiving the click instruction, binding the IES light source to the light emitting surface according to the light direction, including:
if the light emitting surfaces of the unbound light sources do not exist in the at least two light emitting surfaces, identifying n light emitting surfaces with the least bound light sources in the at least two light emitting surfaces, wherein n is a positive integer;
binding the IES light source as a candidate light source to a light emitting face with highest priority among the n light emitting faces.
Optionally, if the selection instruction is a drag instruction, the binding the IES light source to the light emitting surface according to the light direction includes:
acquiring a dragging ending position of the dragging instruction;
acquiring the distances between each identified light emitting surface and the dragging ending position;
and binding the IES light source to a target light emitting surface according to the light ray direction of the target light emitting surface, wherein the target light emitting surface is the light emitting surface with the smallest distance between each light emitting surface and the dragging ending position.
Optionally, the binding the IES light source to the light emitting surface corresponding to the minimum distance according to the light direction includes:
if the minimum distance is smaller than a preset threshold, binding the IES light source to a light emitting surface corresponding to the minimum distance according to the light ray direction;
and if the minimum distance is not smaller than the preset threshold value, placing the IES light source at the dragging ending position.
Optionally, the method further comprises:
and when the dragging instruction is received, displaying prompt information at the luminous surface, wherein the prompt information is used for prompting the position of the luminous surface in the lamp.
Optionally, after the step of binding the IES light source to the light emitting surface according to the light direction after the step of receiving the selection instruction, the method further includes:
receiving an adjustment instruction to adjust the IES light source, the adjustment instruction including at least one of movement, rotation, and flipping;
and adjusting the IES light source according to the received adjustment instruction.
Optionally, the identifying the light emitting surface and the light direction of the lamp includes:
identifying components in the lamp with preset attributes, wherein the preset attributes comprise luminescence and transparency;
and identifying the luminous surface and the light ray direction according to the identified assembly.
In a second aspect, there is provided an IES light source binding device comprising a memory having stored therein at least one program instruction and a processor for implementing the method according to the first aspect by loading and executing the at least one program instruction.
In a third aspect, there is provided a computer storage medium having stored therein at least one program instruction that is loaded and executed by a processor to implement the method of the first aspect.
Identifying the luminous surface and the light direction of the lamp; receiving a selection instruction for selecting an IES light source; binding the IES light source to the light emitting face according to the direction of the light after receiving the selection instruction; the IES light source after binding is arranged on the normal line of the light emitting surface and is spaced from the light emitting point of the light emitting surface by a preset distance, and the light emitting direction of the IES light source is consistent with the light ray direction. The problem that IES light sources bound for lamps in the prior art cannot be configured and possibly cannot meet the requirements of users is solved, and the effect that users can bind the IES light sources in a self-defined mode according to the requirements is achieved.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an autonomous mobile chassis according to an embodiment of the present invention;
fig. 2a is a schematic diagram of a three-dimensional point cloud corresponding to a possible convex hull model according to an embodiment of the present invention;
FIG. 2b is a schematic diagram of an identified light emitting surface according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of one possible specific composition of an IES light source provided by one embodiment of the invention;
FIG. 4 is a schematic diagram of an IES light source automatically binding via click command according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a positional relationship between a bound IES light source and a light emitting point according to an embodiment of the invention;
FIG. 6 is a possible flow chart of binding IES light sources by dragging, provided by one embodiment of the present invention;
fig. 7 is a schematic diagram of one possible flip IES light source provided by one embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, a method flowchart of an IES light source binding method according to an embodiment of the present application is shown, and as shown in fig. 1, the method includes:
the step can introduce a lamp three-dimensional model of the lamp to be simulated. Alternatively, the luminaire three-dimensional model may be represented in a preset model format, which is a model format containing vertex data (v) and patch data (f). In one possible implementation, the pre-set model format may be a Wavefront format file (.obj), and the individual components in the luminaire may be represented in a Wavefront format group (g).
In addition, the lamp in this embodiment may be any shaped lamp, such as a ceiling lamp, a desk lamp, a spotlight, a wire lamp, and the like.
Alternatively, the number of bulbs in the lamp may be one or more, which is not limited in this embodiment. The bulb in the lamp may be white or colored, and the color is not limited. In this application, each bulb is considered to be a light emitter.
After the three-dimensional model of the lamp is obtained, the luminous surfaces and the light directions in the three-dimensional model of the lamp can be identified. Alternatively, the light emitting surface and the light ray pattern may be identified by any possible identification means, such as identifying the light emitting surface by a material identification algorithm, or identifying the light emitting surface by a geometric model, or identifying the light emitting surface by a deep learning algorithm.
In one possible embodiment, illustrated by identifying the light emitting surface by a material identification algorithm, this step may include:
firstly, identifying components with preset attributes in a lamp, wherein the preset attributes comprise luminescence and transparency;
the light emitting surface of the luminaire is usually located in a bulb or a glass envelope, so that this step can identify possible light emitting elements by identifying components having preset properties.
In actual implementation, one component may be identified according to a specific structure of the lamp, or two components or more components may be identified, which is not limited in this application.
And secondly, identifying the luminous surface and the light ray direction according to the identified assembly.
(1) Generating a convex hull model of each geometrical component in the lamp three-dimensional model;
in the step, a convex hull model of each component identified in the three-dimensional model of the lamp can be generated through a VHACD algorithm.
(2) Generating three-dimensional point cloud data of the convex hull model;
optionally, the surface of each convex hull model may be uniformly sampled by a uniform sampling method, so as to generate three-dimensional point cloud data. The generated three-dimensional point cloud data does not contain the patch information, so that the accuracy and the efficiency of subsequent calculation are improved.
For example, please refer to fig. 2a, which illustrates three-dimensional point cloud data corresponding to a possible convex hull.
(3) And identifying the luminous surface existing in the lamp three-dimensional model according to the three-dimensional point cloud data and a preset identification algorithm.
The preset recognition algorithm may be RANSAC (Random Sample Consensus) algorithm, and each plane in the three-dimensional point cloud data is fitted through the RANSAC algorithm, so as to obtain the light emitting surface.
Referring to fig. 2b, a schematic diagram of a light emitting surface (the lowest plane in the figure) identified according to the three-dimensional point cloud data shown in fig. 2a is shown.
(4) And determining the light ray directions of the luminous surfaces.
The normal direction of the light emitting surface or the opposite direction of the normal direction is determined as the light ray direction.
the interface can display the option of the IES light source, when the user needs to bind the IES light source, the user can trigger the IES light source to be displayed, and correspondingly, the terminal can receive the selection instruction. The selection instruction may be a click instruction or a drag instruction. In addition, in actual implementation, the selection instruction may be a mouse instruction or a touch instruction according to different terminal types, which is not limited in this application.
Wherein the luminous point is the central point of the luminous surface.
In actual implementation, the specific implementation of this step will be different according to the selection instruction, and thus, the following description will be made in different embodiments respectively.
In a first possible implementation, when the selection instruction is a click instruction, the IES light source is bound to the identified light emitting surface when the identified light emitting surface is one; and when the identified light emitting surface comprises at least two, the step comprises:
and if the light emitting surfaces of the unbound light sources exist in the at least two light emitting surfaces, binding the IES light source for the light emitting surface with the highest priority in the light emitting surfaces of the unbound light sources. The priority of each luminous surface can be determined according to the identification accuracy, the higher the identification accuracy is, the higher the priority is, and the lower the identification accuracy is, the lower the priority is. Of course, in actual implementation, the priority of each light emitting surface may be determined according to a preset rule, where the preset rule may be that the priority decreases sequentially from left to right and from top to bottom.
Optionally, in actual implementation, referring to fig. 3, the IES light source may include a light output surface, a light source binding point, a light source direction, and a light distribution curve, and one or more of these may be optionally displayed on the interface after the IES light source is bound. For example, referring to fig. 4, when a user clicks the IES light source, the IES light source may be automatically bound to the spotlight. Further, referring to fig. 5, the light source binding point and the light emitting point are spaced apart from each other by a predetermined distance.
Optionally, if there is no light emitting surface of the unbound light source in the at least two light emitting surfaces, i.e. each light emitting surface has bound a light source, then the step includes:
firstly, identifying n light emitting surfaces with least light sources bound in the at least two light emitting surfaces, wherein n is a positive integer;
for example, the light emitting surfaces have three light emitting surfaces A, B and C, wherein, A is already bound with 2 light sources, B and C are only bound with 1 light source, and then the two light emitting surfaces B and C can be identified in the step.
Alternatively, if the number of light sources bound to each light emitting surface is the same, all light emitting surfaces may be identified as n light emitting surfaces, which is not described herein.
Second, binding the IES light source as a candidate light source to a light emitting face with highest priority among the n light emitting faces.
The priorities of the light emitting surfaces are similar to the above implementation, and are not described here.
Optionally, the step includes: the IES light source is set as a candidate light source in a preset manner on the peripheral side of the light emitting surface with the highest priority. The preset mode comprises that the luminous points are used as circle centers and are placed on the periphery of the luminous surface clockwise/anticlockwise according to a preset radius, and two adjacent candidate light sources are separated by a certain distance; alternatively, each candidate light source is sequentially placed in a preset direction of the light emitting surface according to a preset distance, and the like, which is not limited in the present application. Wherein the light source direction of the candidate light source is downward by default.
Similarly, when there is only one light emitting surface and the light emitting surface is already bound with an IES light source, then after receiving a click command, the candidate light source may be bound in a similar manner, which is not limited in this application.
In a second possible implementation manner, if the selection instruction is a drag instruction, the step includes:
firstly, acquiring a dragging ending position of the dragging instruction;
if the dragging instruction is a mouse instruction, the position where the mouse is pressed after the mouse is dragged can be identified as a dragging ending position; if the dragging instruction is a touch instruction, the position at which the touch is ended can be identified as a dragging ending position.
Secondly, acquiring the distance between the light emitting surface and the dragging ending position;
alternatively, the distance between the light emitting point and the drag end position may be calculated. In actual implementation, if the identified light emitting surfaces include at least two, the distance between the light emitting point of each light emitting surface and the drag end position may be calculated.
Third, the IES light source is bound to the target light emitting surface according to the direction of the light rays of the target light emitting surface.
The target light emitting surface is the light emitting surface with the smallest distance between the dragging ending position and the each light emitting surface. When only one light emitting surface is identified, a distance is calculated in the second step, and the calculated distance is the minimum distance, namely the identified light emitting surface is the target light emitting surface.
Optionally, before binding, detecting whether the minimum distance is smaller than a preset threshold, if so, after receiving a dragging instruction, automatically binding the IES light source to the light emitting surface corresponding to the minimum distance. If the detection result is not less than the preset threshold, the IES light source may be directly placed at the drag end position at this time. Wherein the light source direction of the IES light source defaults downward when the IES light source is placed at the drag end position.
That is, please refer to fig. 6, which illustrates a binding diagram of the IES light source when the selection instruction is a drag instruction.
It should be noted that, when the selection instruction is a drag instruction, in order to prompt the position of the light emitting surface of the user and further guide the user to drag the IES light source to the corresponding light emitting surface, during the drag of the user, that is, during the duration of the drag instruction, prompt information may be displayed at each light emitting surface, where the prompt information is used to prompt the position of the light emitting surface. Alternatively, the prompt information may be displayed by lighting the light emitting surface, or may be displayed by highlighting the light emitting surface, such as by thickening the outline of the light emitting surface, or the like, which is not limited in this application.
In the present application, after the IES light source is bound, the user may adjust according to the actual requirement, that is, the method further includes the following steps:
first, receiving an adjustment instruction to adjust the IES light source, the adjustment instruction including at least one of movement, rotation, and flipping;
the interface can display the adjustment options, the user triggers and selects the adjustment options according to actual needs, and correspondingly, the terminal can receive the adjustment instruction for selecting the adjustment options. Of course, in actual implementation, the interface may not display the adjustment options, and the user directly operates the IES light source.
When the adjustment instruction is a rotation instruction, displaying a rotation axis of X, Y, Z axes of a self-coordinate system of the light source to be rotated, and rotating the ies light source by dragging the rotation axis and taking the light source binding point as a rotation point and taking 3 axes of the self-coordinate system as rotation axes.
When the adjustment instruction is a turning instruction, the IES light source is turned over with the IES light source binding point as a turning point and the X axis of the light output surface's own coordinate system as a turning axis, as shown in fig. 7.
Second, the IES light source is adjusted according to the received adjustment instruction.
In summary, the light emitting surface and the light direction of the lamp are identified; receiving a selection instruction for selecting an IES light source; binding the IES light source to the light emitting face according to the direction of the light after receiving the selection instruction; the IES light source after binding is arranged on the normal line of the light emitting surface and is spaced from the light emitting point of the light emitting surface by a preset distance, and the light emitting direction of the IES light source is consistent with the light ray direction. The problem that IES light sources bound for lamps in the prior art cannot be configured and possibly cannot meet the requirements of users is solved, and the effect that users can bind the IES light sources in a self-defined mode according to the requirements is achieved.
The present application also provides an IES light source binding device comprising a memory having stored therein at least one program instruction and a processor that implements the method as described above by loading and executing the at least one program instruction.
The present application also provides a computer storage medium having stored therein at least one program instruction that is loaded and executed by a processor to implement the method as described above.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. An IES light source binding method, the method comprising:
identifying the luminous surface and the light direction of the lamp;
receiving a selection instruction for selecting an IES light source;
binding the IES light source to the light emitting face according to the direction of the light after receiving the selection instruction; the bound IES light source is arranged on the normal line of the light emitting surface and is spaced from the light emitting point of the light emitting surface by a preset distance, and the light emitting direction of the IES light source is consistent with the light ray direction;
if the selection instruction is a click instruction and the identified light emitting surface includes at least two light emitting surfaces, after receiving the click instruction, binding the IES light source to the light emitting surface according to the light direction, including:
if the light emitting surfaces of the unbound light sources exist in the at least two light emitting surfaces, binding the IES light source for the light emitting surface with the highest priority in all the light emitting surfaces of the unbound light sources;
if the light emitting surfaces of the unbound light sources do not exist in the at least two light emitting surfaces, identifying n light emitting surfaces with the least bound light sources in the at least two light emitting surfaces, wherein n is a positive integer;
binding the IES light source as a candidate light source to a light emitting surface with highest priority among the n light emitting surfaces;
if the selection instruction is a drag instruction, the binding the IES light source to the light emitting surface according to the light direction includes:
acquiring a dragging ending position of the dragging instruction;
acquiring the distances between each identified light emitting surface and the dragging ending position;
binding the IES light source to a target light emitting surface according to the light direction of the target light emitting surface, wherein the target light emitting surface is the light emitting surface with the smallest distance between each light emitting surface and the dragging ending position.
2. The method of claim 1, wherein binding the IES light source to a light emitting surface corresponding to a minimum distance according to the light ray direction comprises:
if the minimum distance is smaller than a preset threshold, binding the IES light source to a light emitting surface corresponding to the minimum distance according to the light ray direction;
and if the minimum distance is not smaller than the preset threshold value, placing the IES light source at the dragging ending position.
3. The method according to claim 1, wherein the method further comprises:
and when the dragging instruction is received, displaying prompt information at the luminous surface, wherein the prompt information is used for prompting the position of the luminous surface in the lamp.
4. A method according to any one of claims 1 to 3, wherein after the step of binding the IES light source to the light emitting surface according to the direction of the light rays after receiving the selection instruction, the method further comprises:
receiving an adjustment instruction to adjust the IES light source, the adjustment instruction including at least one of movement, rotation, and flipping;
and adjusting the IES light source according to the received adjustment instruction.
5. A method according to any one of claims 1 to 3, wherein identifying the light emitting face and the direction of light rays of the luminaire comprises:
identifying components in the lamp with preset attributes, wherein the preset attributes comprise luminescence and transparency;
and identifying the luminous surface and the light ray direction according to the identified assembly.
6. An IES light source binding device, characterized in that the device comprises a memory in which at least one program instruction is stored and a processor which implements the method according to any of claims 1 to 5 by loading and executing the at least one program instruction.
7. A computer storage medium having stored therein at least one program instruction that is loaded and executed by a processor to implement the method of any of claims 1 to 5.
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| CN113920249A (en) * | 2021-10-14 | 2022-01-11 | 埃洛克航空科技（北京）有限公司 | House property illumination analysis method and device, electronic equipment and storage medium |
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| US6567083B1 (en) * | 1997-09-25 | 2003-05-20 | Microsoft Corporation | Method, system, and computer program product for providing illumination in computer graphics shading and animation |
| CA2860436C (en) * | 2012-01-05 | 2020-07-21 | Bright Light Systems, Inc. | Systems and methods for providing high-mast lighting |
| WO2018200685A2 (en) * | 2017-04-27 | 2018-11-01 | Ecosense Lighting Inc. | Methods and systems for an automated design, fulfillment, deployment and operation platform for lighting installations |
| CN106327567B (en) * | 2016-08-03 | 2020-09-25 | 陈健 | Method for simulating IES accurate illumination in real-time rendering system |
| US10412802B2 (en) * | 2017-03-02 | 2019-09-10 | Osram Sylvania Inc. | Luminaire with programmable light distribution |
| CN209540541U (en) * | 2019-03-19 | 2019-10-25 | 深圳市科纳实业有限公司 | Indirect lighting optical system |
| CN115170720A (en) * | 2022-06-30 | 2022-10-11 | 杭州群核信息技术有限公司 | Web-based IES format file light visualization method and system |
| CN115392038A (en) * | 2022-08-30 | 2022-11-25 | 杭州群核信息技术有限公司 | Illumination simulation method, illumination simulation device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102980744A (en) * | 2012-11-14 | 2013-03-20 | 大连工业大学 | Method for measuring light distribution curve of optical catheter lighting system |
| CN113920249A (en) * | 2021-10-14 | 2022-01-11 | 埃洛克航空科技（北京）有限公司 | House property illumination analysis method and device, electronic equipment and storage medium |
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