CN116757000B - Method, system and equipment for simulating solar angle change in real time based on three-dimensional engine - Google Patents
Method, system and equipment for simulating solar angle change in real time based on three-dimensional engine Download PDFInfo
- Publication number
- CN116757000B CN116757000B CN202311013143.1A CN202311013143A CN116757000B CN 116757000 B CN116757000 B CN 116757000B CN 202311013143 A CN202311013143 A CN 202311013143A CN 116757000 B CN116757000 B CN 116757000B
- Authority
- CN
- China
- Prior art keywords
- latitude
- time
- solar
- days
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009877 rendering Methods 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims description 23
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 6
- 238000007654 immersion Methods 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 2
- 238000012800 visualization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/04—Texture mapping
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Abstract
The invention discloses a method, a system and equipment for simulating solar angle change in real time based on a three-dimensional engine, and belongs to the technical field of three-dimensional visualization. The method comprises the following steps: the twin model is led into a three-dimensional engine, and parallel light used for simulating sunlight is arranged; according to the current date and time, the latitude of the direct solar point is obtained; based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene, the day length, sunrise time and sunset time of the current day are calculated; calculating a solar inclination angle and a solar altitude angle; setting the obtained sun inclination angle and sun altitude angle as an x-axis rotation value of parallel light and a y-axis rotation value of parallel light in a three-dimensional engine respectively; rendering the scene, the system will draw real-time sun effects on the scene Jing Zhongmo based on the current date and time. The invention can realize the coincidence of the illumination condition of the three-dimensional scene and the real scene, simulate the real sunlight effect in real time, and enhance the instantaneity and immersion of the whole scene.
Description
Technical Field
The invention relates to a method, a system and equipment for simulating solar angle change in real time based on a three-dimensional engine, and belongs to the technical field of three-dimensional visualization.
Background
Currently, the digital twinning technology is increasingly widely used, and in twinning scene display, sunlight elements are almost used for illuminating the whole scene. For sunlight elements in a scene, the existing manufacturing scheme is to simulate sunlight by adopting fixed parallel light in a three-dimensional engine, and then render and simulate the sunlight in the three-dimensional scene. The sunlight effect rendered by the simulation mode is not in butt joint with real-time data, so that the position and the angle of sunlight in a scene picture can not be switched and changed according to actual time, the sunlight effect of a twin scene can not be displayed in real time, and the instantaneity and the immersion of the whole picture are affected.
Disclosure of Invention
In order to solve the problems, the invention discloses a method, a system and equipment for simulating the change of the sun angle in real time based on a three-dimensional engine.
The technical scheme adopted for solving the technical problems is as follows:
a method for simulating solar angle change in real time based on a three-dimensional engine comprises the following steps:
the twin model is led into a three-dimensional engine, and parallel light used for simulating sunlight is arranged;
according to the current date and time, the latitude of the direct solar point is obtained;
based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene, the day length, sunrise time and sunset time of the current day are calculated;
calculating a solar inclination angle and a solar altitude angle;
setting the obtained sun inclination angle and sun altitude angle as an x-axis rotation value of parallel light and a y-axis rotation value of parallel light in a three-dimensional engine respectively;
rendering the scene, the system will draw real-time sun effects on the scene Jing Zhongmo based on the current date and time.
Further, the calculating the latitude of the direct solar point according to the current date and time specifically includes:
if the current date and time is spring to autumn, namely, 21 to 23 days of 3 months, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is autumn to winter, namely 9 months, 23 days to 12 months, 22 days, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is winter to spring festival, namely 12 months 22 days to 3 months 21 days next year, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14.
Further, the calculating the day length, sunrise time and sunset time based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene specifically includes:
acquiring the latitude of the geographic position of the twin scene through a longitude and latitude query website;
substituting the latitude of the direct solar radiation point and the latitude of the geographic position of the twin scene into the following formula to obtain the day length of the current day:
；
wherein h is the day length, phi is the latitude of the geographic position of the twin scene, delta is the latitude of the direct solar point, and pi is 3.14;
the day length was taken into the following, and the sunrise time was obtained:
；
then, the sunrise time and the day length are brought into the following formula to obtain the sunset time:
。
further, the calculating the sun tilt angle and the sun altitude angle includes:
calculating a solar tilt angle: bringing the latitude of the twin scene and the latitude of the direct solar point into the following steps to obtain the current solar inclination angle:
；
calculating the solar altitude: the day length was taken into the following, and the solar altitude angle per minute was determined:
；
the current time, the sun altitude angle b per minute and the sunrise time s are obtained 1 Substituting the following formula to calculate the current solar altitude:
；
wherein c is the current solar altitude, hour is the current hours, minute is the current minutes, s 1 The sunrise time.
In a second aspect, the present invention provides a system for simulating solar angle change in real time based on a three-dimensional engine, which is characterized by comprising:
the model importing module is used for importing the twin model into the three-dimensional engine and setting parallel light used for simulating sunlight;
the direct solar point latitude obtaining module is used for obtaining the direct solar point latitude according to the current date and time;
the first calculation module is used for solving the day length, sunrise time and sunset time of the current day based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene;
the second calculation module is used for calculating the sun inclination angle and the sun altitude angle;
the assignment module is used for setting the obtained sun inclination angle and sun altitude angle into an x-axis rotation value of parallel light and a y-axis rotation value of parallel light in the three-dimensional engine respectively;
the scene rendering module is used for rendering the scene, and the system draws out real-time sunlight effect on the scene Jing Zhongmo based on the current date and time.
Further, the direct solar point latitude obtaining module is specifically configured to:
if the current date and time is spring to autumn, namely, 21 to 23 days of 3 months, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is autumn to winter, namely 9 months, 23 days to 12 months, 22 days, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is winter to spring festival, namely 12 months 22 days to 3 months 21 days next year, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14.
Further, the first computing module is specifically configured to:
acquiring the latitude of the geographic position of the twin scene through a longitude and latitude query website;
substituting the latitude of the direct solar radiation point and the latitude of the geographic position of the twin scene into the following formula to obtain the day length of the current day:
；
wherein h is the day length, phi is the latitude of the geographic position of the twin scene, delta is the latitude of the direct solar point, and pi is 3.14;
the day length was taken into the following, and the sunrise time was obtained:
；
then, the sunrise time and the day length are brought into the following formula to obtain the sunset time:
。
further, the second computing module is specifically configured to:
calculating a solar tilt angle: bringing the latitude of the twin scene and the latitude of the direct solar point into the following steps to obtain the current solar inclination angle:
；
calculating the solar altitude: the day length was taken into the following, and the solar altitude angle per minute was determined:
；
the current time, the sun altitude angle b per minute and the sunrise time s are obtained 1 Substituting the following formula to calculate the current solar altitude:
；
wherein c is the current solar altitude, hour is the current hours, minute is the current minutes, s 1 The sunrise time.
In a third aspect, the present invention also provides a computer device comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method for simulating solar angle change in real time based on a three-dimensional engine as described above when executing the computer program.
The invention has the following advantages:
the method comprises the steps of acquiring latitude information of a computer date and time and a twin scene in real time, calculating the latitude information of a direct point of the sun on the current date through the computer, then obtaining sunrise and sunset time through the latitude information, finally obtaining the rotation angle of the sun at each time point through integrating all the information, giving angle values to X-axis, Y-axis and Z-axis rotation values of parallel light of the three-dimensional scene, enabling shadows of the whole scene to change in real time along with the time, matching with illumination conditions of the real scene, simulating real sunlight effects in real time, and improving instantaneity and immersion of the whole scene.
Drawings
FIG. 1 is a flow chart of a method for simulating solar angle change in real time based on a three-dimensional engine according to the first embodiment;
fig. 2 is a schematic diagram of a system structure for simulating a change in solar angle in real time based on a three-dimensional engine according to a second embodiment;
FIG. 3 is a schematic diagram of a computer device according to a third embodiment;
FIG. 4 is a schematic view of the solar tilt angle;
fig. 5 is a schematic view of the solar altitude.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
in order to clearly illustrate the technical features of the present invention, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments for implementing different configurations of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present invention.
Example 1
A method for simulating solar angle change in real time based on a three-dimensional engine comprises the following steps:
step 1: and importing the three-dimensional model and the texture map into a twin scene model, and then importing the constructed twin scene model into a three-dimensional engine, wherein the effects of parallel light for simulating sunlight, model materials thereof and the like are well put in the three-dimensional engine.
Step 2: assuming that the current date and time is 8 months and 1 day and is between spring and autumn, the latitude of the direct solar radiation point is calculated by the following formula:
；
wherein delta is the latitude of the direct solar radiation point, n is the current date, namely the difference day 132 between 8 months 1 day and 3 months 21 days, and pi is 3.14; n and pi are substituted into the formula, and the latitude of the direct solar point is 18.213109 degrees.
Step 3: acquiring the latitude of the geographic position of the twin scene as 39.916527 degrees through a latitude and longitude query website;
substituting the latitude of the direct solar radiation point and the latitude of the geographic position of the twin scene into the following formula to obtain the day length of 14.147 hours:
；
wherein h is the day length, phi is the latitude of the twin scene, delta is the latitude of the direct solar point, and pi is 3.14;
the day length was taken into the following, and the sunrise time was found to be 4 points and 55 minutes:
；
then, the sunrise time and the day length were taken into the following formula, and the sunset time was obtained as 19:04 points:
。
step 4: calculating the current sun inclination angle and sun altitude angle;
bringing the latitude of the twin scene and the latitude of the direct solar point into the following formula, and solving that the current solar inclination angle is 21.7 degrees:
；
the solar altitude is calculated every minute on the same day: the day length was taken into the following, and the solar altitude angle b of the day per minute was calculated to be 0.21 °:
；
the current time, the sun altitude angle b per minute and the sunrise time s are obtained 1 Substituting the following formula, at the current time of 10:00 is taken as an example, the current solar altitude is obtained to be 64.05 DEG
。
Where c is the current solar altitude, and hor is the current smallHours, minutes is the current minutes, s 1 The sunrise time.
Step 5: setting the obtained solar inclination angle as an x-axis rotation value of parallel light, namely 21.7 degrees in a three-dimensional engine; the determined solar altitude is set in the three-dimensional engine as the y-axis rotation value of the parallel light, that is, 64.05 °.
Step 6: rendering the scene, the system will draw real-time sun effects on the scene Jing Zhongmo based on the current date and time.
Example two
A system for simulating solar angle changes in real time based on a three-dimensional engine, comprising:
the model importing module is used for importing the twin model into the three-dimensional engine and setting parallel light used for simulating sunlight;
the direct solar point latitude obtaining module is used for obtaining the direct solar point latitude according to the current date and time;
the first calculation module is used for solving the day length, sunrise time and sunset time of the current day based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene;
the second calculation module is used for calculating the sun inclination angle and the sun altitude angle;
the assignment module is used for setting the obtained sun inclination angle and sun altitude angle into an x-axis rotation value of parallel light and a y-axis rotation value of parallel light in the three-dimensional engine respectively;
the scene rendering module is used for rendering the scene, and the system draws out real-time sunlight effect on the scene Jing Zhongmo based on the current date and time.
Further, the direct solar point latitude obtaining module is specifically configured to:
if the current date and time is spring to autumn, namely, 21 to 23 days of 3 months, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is autumn to winter, namely 9 months, 23 days to 12 months, 22 days, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is winter to spring festival, namely 12 months 22 days to 3 months 21 days next year, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14.
Further, the first computing module is specifically configured to:
acquiring the latitude of the geographic position of the twin scene through a longitude and latitude query website;
substituting the latitude of the direct solar radiation point and the latitude of the geographic position of the twin scene into the following formula to obtain the day length of the current day:
；
wherein h is the day length, phi is the latitude of the twin scene, delta is the latitude of the direct solar point, and pi is 3.14;
the day length was taken into the following, and the sunrise time was obtained:
；
then, the sunrise time and the day length are brought into the following formula to obtain the sunset time:
。
further, the second computing module is specifically configured to:
calculating a solar tilt angle: bringing the latitude of the twin scene and the latitude of the direct solar point into the following steps to obtain the current solar inclination angle:
；
calculating the solar altitude: the day length was taken into the following, and the solar altitude angle per minute was determined:
；
the current time, the sun altitude angle b per minute and the sunrise time s are obtained 1 Substituting the following formula to calculate the current solar altitude:
；
wherein c is the current solar altitude, hour is the current hours, minute is the current minutes, s 1 The sunrise time.
Example III
A computer device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method for simulating solar angle change in real time based on a three-dimensional engine as described above when executing the computer program.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (3)
1. The method for simulating the solar angle change in real time based on the three-dimensional engine is characterized by comprising the following steps of:
the twin model is led into a three-dimensional engine, and parallel light used for simulating sunlight is arranged;
according to the current date and time, the latitude of the direct solar point is obtained;
based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene, the day length, sunrise time and sunset time of the current day are calculated;
calculating a solar inclination angle and a solar altitude angle;
setting the obtained sun inclination angle and sun altitude angle as an x-axis rotation value of parallel light and a y-axis rotation value of parallel light in a three-dimensional engine respectively;
rendering the scene, wherein the system draws out real-time sunlight effect on the basis of the current date and time in the field Jing Zhongmo;
the method for solving the latitude of the direct solar point according to the current date and time specifically comprises the following steps:
if the current date and time is spring to autumn, namely, 21 to 23 days of 3 months, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is autumn to winter, namely 9 months, 23 days to 12 months, 22 days, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is winter to spring festival, namely 12 months 22 days to 3 months 21 days next year, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
the method for solving the day length, sunrise time and sunset time based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene specifically comprises the following steps:
acquiring the latitude of the geographic position of the twin scene through a longitude and latitude query website;
substituting the latitude of the direct solar radiation point and the latitude of the geographic position of the twin scene into the following formula to obtain the day length of the current day:
；
wherein h is the day length, phi is the latitude of the geographic position of the twin scene, delta is the latitude of the direct solar point, and pi is 3.14;
the day length was taken into the following, and the sunrise time was obtained:
；
then, the sunrise time and the day length are brought into the following formula to obtain the sunset time:
；
the calculating of the sun tilt angle and sun altitude angle includes:
calculating a solar tilt angle: bringing the latitude of the twin scene and the latitude of the direct solar point into the following steps to obtain the current solar inclination angle:
；
calculating the solar altitude: the day length was taken into the following, and the solar altitude angle per minute was determined:
；
the current time, the sun altitude angle b per minute and the sunrise time s are obtained 1 Substituting the following formula to calculate the current solar altitude:
；
wherein c is the current solar altitude, hour is the current hours, minute is the current minutes, s 1 The sunrise time.
2. A system for simulating solar angle changes in real time based on a three-dimensional engine, comprising:
the model importing module is used for importing the twin model into the three-dimensional engine and setting parallel light used for simulating sunlight;
the direct solar point latitude obtaining module is used for obtaining the direct solar point latitude according to the current date and time;
the first calculation module is used for solving the day length, sunrise time and sunset time of the current day based on the latitude of the direct solar point and the latitude of the geographic position of the twin scene;
the second calculation module is used for calculating the sun inclination angle and the sun altitude angle;
the assignment module is used for setting the obtained sun inclination angle and sun altitude angle into an x-axis rotation value of parallel light and a y-axis rotation value of parallel light in the three-dimensional engine respectively;
the scene rendering module is used for rendering the scene, and the system draws out real-time sunlight effect on the scene Jing Zhongmo based on the current date and time;
the direct solar point latitude acquisition module is specifically used for:
if the current date and time is spring to autumn, namely, 21 to 23 days of 3 months, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is autumn to winter, namely 9 months, 23 days to 12 months, 22 days, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
if the current date and time is winter to spring festival, namely 12 months 22 days to 3 months 21 days next year, the latitude of the direct solar radiation point is as follows:
；
wherein delta is the latitude of the direct solar point, n is the number of days differing from the current date by 3 months and 21 days, and pi is 3.14;
the first computing module is specifically configured to:
acquiring the latitude of the geographic position of the twin scene through a longitude and latitude query website;
substituting the latitude of the direct solar radiation point and the latitude of the geographic position of the twin scene into the following formula to obtain the day length of the current day:
；
wherein h is the day length, phi is the latitude of the geographic position of the twin scene, delta is the latitude of the direct solar point, and pi is 3.14;
the day length was taken into the following, and the sunrise time was obtained:
；
then, the sunrise time and the day length are brought into the following formula to obtain the sunset time:
；
the second computing module is specifically configured to:
calculating a solar tilt angle: bringing the latitude of the twin scene and the latitude of the direct solar point into the following steps to obtain the current solar inclination angle:
；
calculating the solar altitude: the day length was taken into the following, and the solar altitude angle per minute was determined:
；
the current time, the sun altitude angle b per minute and the sunrise time s are obtained 1 Substituting the following formula to calculate the current solar altitude:
；
wherein c is the current solar altitude, hour is the current hours, minute is the current minutes, s 1 The sunrise time.
3. A computer device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method for simulating solar angle variation in real time based on a three-dimensional engine as claimed in claim 1 when executing said computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311013143.1A CN116757000B (en) | 2023-08-14 | 2023-08-14 | Method, system and equipment for simulating solar angle change in real time based on three-dimensional engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311013143.1A CN116757000B (en) | 2023-08-14 | 2023-08-14 | Method, system and equipment for simulating solar angle change in real time based on three-dimensional engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116757000A CN116757000A (en) | 2023-09-15 |
| CN116757000B true CN116757000B (en) | 2023-11-14 |
Family
ID=87948025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311013143.1A Active CN116757000B (en) | 2023-08-14 | 2023-08-14 | Method, system and equipment for simulating solar angle change in real time based on three-dimensional engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116757000B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61148018U (en) * | 1985-03-06 | 1986-09-12 | ||
| JPH10216359A (en) * | 1997-02-07 | 1998-08-18 | Taito Corp | Image display method in video game, and device for executing the method |
| JP2003216976A (en) * | 2002-01-18 | 2003-07-31 | Toshiyuki Sakai | Animation for sun shadow simulation by three- dimensional display |
| CN103942626A (en) * | 2014-04-25 | 2014-07-23 | 云南省电力设计院 | Optimizing computation method for layout principle of photovoltaic power station |
| CN105488844A (en) * | 2015-11-19 | 2016-04-13 | 中国电子科技集团公司第二十八研究所 | Method for displaying real-time shadow of massive models in three-dimensional scene |
| CN107278251A (en) * | 2017-01-22 | 2017-10-20 | 深圳市窗科技有限责任公司 | A kind of control device and control system |
| WO2020202184A1 (en) * | 2019-03-29 | 2020-10-08 | Helios Iot Systems Private Limited | A system employing electrical digital twin for solar photovoltaic power plant |
| CN112785678A (en) * | 2019-11-09 | 2021-05-11 | 李本彦 | Sunshine analysis method and system based on three-dimensional simulation |
| CN114820964A (en) * | 2022-04-25 | 2022-07-29 | 浙江省水利水电勘测设计院有限责任公司 | Method and system for constructing digital twin real-time weather scene based on unknown Engine |
| CN115130245A (en) * | 2022-07-07 | 2022-09-30 | 湖南科技学院 | Method for calculating optimal inclination angle for installation of fixed photovoltaic panel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9131552B2 (en) * | 2012-07-25 | 2015-09-08 | Express Imaging Systems, Llc | Apparatus and method of operating a luminaire |
| US8896215B2 (en) * | 2012-09-05 | 2014-11-25 | Express Imaging Systems, Llc | Apparatus and method for schedule based operation of a luminaire |
| KR101529678B1 (en) * | 2014-12-31 | 2015-06-19 | 연세대학교 산학협력단 | Method for hybrrid solar tracking to maximize photovoltaic power generation, apparatus and photovoltaic blind system using the same |
-
2023
- 2023-08-14 CN CN202311013143.1A patent/CN116757000B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61148018U (en) * | 1985-03-06 | 1986-09-12 | ||
| JPH10216359A (en) * | 1997-02-07 | 1998-08-18 | Taito Corp | Image display method in video game, and device for executing the method |
| JP2003216976A (en) * | 2002-01-18 | 2003-07-31 | Toshiyuki Sakai | Animation for sun shadow simulation by three- dimensional display |
| CN103942626A (en) * | 2014-04-25 | 2014-07-23 | 云南省电力设计院 | Optimizing computation method for layout principle of photovoltaic power station |
| CN105488844A (en) * | 2015-11-19 | 2016-04-13 | 中国电子科技集团公司第二十八研究所 | Method for displaying real-time shadow of massive models in three-dimensional scene |
| CN107278251A (en) * | 2017-01-22 | 2017-10-20 | 深圳市窗科技有限责任公司 | A kind of control device and control system |
| WO2020202184A1 (en) * | 2019-03-29 | 2020-10-08 | Helios Iot Systems Private Limited | A system employing electrical digital twin for solar photovoltaic power plant |
| CN112785678A (en) * | 2019-11-09 | 2021-05-11 | 李本彦 | Sunshine analysis method and system based on three-dimensional simulation |
| CN114820964A (en) * | 2022-04-25 | 2022-07-29 | 浙江省水利水电勘测设计院有限责任公司 | Method and system for constructing digital twin real-time weather scene based on unknown Engine |
| CN115130245A (en) * | 2022-07-07 | 2022-09-30 | 湖南科技学院 | Method for calculating optimal inclination angle for installation of fixed photovoltaic panel |
Non-Patent Citations (4)
| Title |
|---|
| OLIVER WALKENHORST,et al..DYNAMIC ANNUAL DAYLIGHT SIMULATIONS BASED ON ONE-HOUR AND ONE-MINUTE MEANS OF IRRADIANCE DATA.《Solar Energy》.2002,全文. * |
| 基于三维GIS技术的建筑日照计算;董茜;《中国优秀硕士学位论文全文数据库 基础科学辑》;全文 * |
| 太阳直射点纬度的数学推导和分析;蒋洪力;《数学通报》;第46卷(第9期);第39-40页 * |
| 太阳高度角与方位角的计算与研判;汪和平;《中学数学月刊》(第10期);第62-65页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116757000A (en) | 2023-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Design of Electronic Compass | |
| CN104833336B (en) | A kind of satellite side-sway angle acquisition methods based on characteristics of image | |
| US9280820B2 (en) | Creating camera clock transforms from image information | |
| CN103745622B (en) | Sextant astrogeodesy simulator | |
| WO2017139013A1 (en) | Determining and presenting solar flux information | |
| CN105258691A (en) | Automatic shooting parameter acquiring method and automatic shooting parameter acquiring apparatus | |
| CN116757000B (en) | Method, system and equipment for simulating solar angle change in real time based on three-dimensional engine | |
| Cellura et al. | A photographic method to estimate the shading effect of obstructions | |
| CN113223139A (en) | Augmented reality shadow estimation method and device and computer storage medium | |
| CN116644497A (en) | Roof Photovoltaic Solar Shadow Analysis Method and System Based on Digital Surface Model | |
| Li et al. | Cloud detection method based on all-sky polarization imaging | |
| CN111412900B (en) | Digital attitude compensation and wave measurement system and control method | |
| CN113569488A (en) | Somatosensory temperature prediction method and system based on random forest regression | |
| Mao et al. | Primary interannual variability patterns of the growing-season NDVI over the Tibetan plateau and main climatic factors | |
| Huang et al. | M-shape PV arrangement for improving solar power generation efficiency | |
| CN112785678B (en) | Sunlight analysis method and system based on three-dimensional simulation | |
| CN101329550B (en) | Clock real time display tray | |
| Wang et al. | Spatial and Temporal Variations in Spring Dust Concentrations from 2000 to 2020 in China: Simulations with WRF-Chem | |
| KR102071980B1 (en) | Operating method and apparatus for Sundial device to correct the equation of time | |
| CA2781930A1 (en) | Device for displaying critical and non-critical information, and aircraft including such a device | |
| CN112379699A (en) | Lamp mounting direction adjusting method and system, storage medium and terminal | |
| CN109827567A (en) | A kind of sunlight is at video display frequency shooting location localization method | |
| CN103218855A (en) | System and method for editing three-dimensional map | |
| JP2021166349A (en) | Sky imaging apparatus, sky luminance measuring apparatus, and sky luminance measurement program | |
| CN110926428B (en) | Shielding detection method and device for calculating solar irradiance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |