CN114708383A - Ceiling and ground construction method and system for converting two-dimensional plane into three-dimensional stereo scene - Google Patents
Ceiling and ground construction method and system for converting two-dimensional plane into three-dimensional stereo scene Download PDFInfo
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Abstract
A ceiling and ground construction method and system for converting a two-dimensional plane into a three-dimensional stereo scene are disclosed, wherein the method comprises the following steps: step A: generating a ceiling area and/or a ground area of the closed multi-segment line to form a two-dimensional scheme file; and B, step B: and reading data information of a ceiling area and/or a ground area in the two-dimensional scheme file, and constructing a corresponding ceiling three-dimensional model and a corresponding ground three-dimensional model according to the read data information. According to the invention, the ceiling area and the ground area are designed on the two-dimensional plane to generate the two-dimensional scheme file, and the two-dimensional scheme file is read to realize automatic generation of the ceiling area and the ground area in the three-dimensional scene, so that the effect of combining a two-dimensional drawing function with three-dimensional construction information and three-dimensional automatic construction of a ceiling and ground three-dimensional scene is achieved, and the problems of complexity and time consumption in the modeling process of making a three-dimensional model by using a plane scheme diagram are solved.
Description
Technical Field
The invention relates to the technical field of indoor design, in particular to a method and a system for constructing a ceiling and a ground by converting a two-dimensional plane into a three-dimensional scene.
Background
In the field of indoor design software, the general design process: measuring rooms for clients, drawing a plan view by using the room data, dividing a functional space on the plan view by a designer and arranging corresponding furniture to obtain a plan scheme view, and performing three-dimensional modeling according to the plan scheme view to obtain a three-dimensional effect view after the designer and the clients determine the plan scheme view. The process of making a three-dimensional model from a plan view requires a step-by-step re-modeling using three-dimensional design software, which is very cumbersome and time consuming.
Disclosure of Invention
The invention aims to provide a method and a system for constructing a ceiling and a ground by converting a two-dimensional plane into a three-dimensional scene, aiming at the defects in the background technology.
In order to solve the problems, the invention provides a method for constructing a ceiling and a ground by converting a two-dimensional plane into a three-dimensional stereo scene, which comprises the following steps:
step A: generating a ceiling area and/or a ground area of the closed multi-segment line to form a two-dimensional scheme file;
and B: and reading data information of a ceiling area and/or a ground area in the two-dimensional scheme file, and constructing a corresponding ceiling three-dimensional model and a corresponding ground three-dimensional model according to the read data information.
Preferably, in the step a, the generating of the ceiling region of the closed multi-segment line includes generating a ceiling base surface and a modeling ceiling, and specifically includes:
step A1: automatically searching an inner wall line on the wall of the drawn room with the formed closed area, generating a ceiling base surface of the closed multi-segment line, and setting the height of the ceiling base surface;
step A2: and drawing a closed multi-segment line, selecting a closed area formed by the multi-segment line as a generation area of the modeling ceiling, and setting the generation height of the modeling ceiling.
Preferably, in the step B, reading the data information of the ceiling area and the ground area in the two-dimensional scheme file includes:
and identifying the attributes of the ceiling area and the ground area and reading the three-dimensional construction information of the ceiling area and the ground area.
Preferably, in the step B, the following determination is performed:
when the data information of the ceiling area in the two-dimensional scheme file is judged to be empty, automatically searching the inner wall line, and generating a three-dimensional surface in the shape of an inner wall line closed area at the highest point of the wall according to the height of the wall to serve as the ceiling;
when data information belonging to a ceiling base surface in the two-dimensional scheme file is judged and read, generating a three-dimensional surface in the shape of an inner wall line closed area according to the height of the set ceiling base surface, and taking the three-dimensional surface as the ceiling base surface;
when data information belonging to the modeling ceiling in the two-dimensional scheme file is judged and read, selecting to execute a first selection operation or a second selection operation;
the first selecting operation includes:
generating a ceiling base surface according to the inner wall line;
generating the upper surface of the layered ceiling according to the modeling ceiling area;
subtracting the upper layer surface from the ceiling base surface to generate a three-dimensional surface between the inner wall line and the modeling ceiling area, and taking the three-dimensional surface as the lower layer surface of the layered ceiling;
generating a side edge sealing surface between the upper layer surface and the lower layer surface;
the second selecting operation includes:
generating a ceiling base surface according to the inner wall line and the multi-section line of the modeling ceiling at a preset height, wherein a ceiling hole is formed in the multi-section line area;
at a preset height, according to the multi-section line outline size of the modeling ceiling, performing three-dimensional equal-proportion size conversion on the existing ceiling blocks and then inserting the ceiling blocks into the ceiling holes;
a side edge sealing surface for forming a ceiling delamination area, comprising: the three-dimensional surface of the ceiling layered area is generated on the preset height relative to the ceiling base surface, and the edge of the three-dimensional surface of the ceiling layered area is connected with the edge of the hole in a three-dimensional manner to form a side edge sealing surface of the ceiling layered area.
Preferably, when data information of a ground area in the two-dimensional scheme file is read, a three-dimensional surface in the shape of an inner wall line closed area is automatically generated at the height of 0, and the three-dimensional surface is used as the ground;
or drawing a multi-segment line closed area to generate surfaces with different heights;
the surfaces of different heights are connected by side edge sealing surfaces to generate a graded platform.
A ceiling and ground construction system for converting a two-dimensional plane into a three-dimensional scene is applied to any one ceiling and ground construction method for converting the two-dimensional plane into the three-dimensional scene, and the system comprises a two-dimensional design module and a three-dimensional design module;
the two-dimensional design module is used for drawing a ceiling area and/or a ground area of the closed multi-segment line to form a two-dimensional scheme file;
and the three-dimensional design module is used for reading the data information of the ceiling area and/or the ground area in the two-dimensional scheme file and constructing a corresponding ceiling three-dimensional model and a corresponding ground three-dimensional model according to the read data information.
Preferably, the two-dimensional design module further comprises a ceiling base surface generating subunit and a modeling ceiling generating subunit;
the ceiling base surface generation subunit is used for automatically searching an inner wall line on the wall of the drawn room with the formed closed area, generating a ceiling base surface of a closed multi-segment line, and setting the height of the ceiling base surface;
and the modeling ceiling generation subunit is used for drawing a closed multi-segment line, and selecting a closed area formed by the multi-segment line as a generation area of the modeling ceiling.
Preferably, the three-dimensional design module further comprises a reading subunit, and the reading subunit is used for identifying the attributes of the ceiling area and the ground area and reading the three-dimensional construction information of the ceiling area and the ground area.
Preferably, the three-dimensional design module further comprises a first automatic generation subunit, a second automatic generation subunit and a third automatic generation subunit;
the first automatic generation subunit is configured to, after the reading subunit reads that the data information of the ceiling area in the two-dimensional scheme file is empty, automatically search for an inner wall line, and generate a three-dimensional surface in the shape of an inner wall line closed area at the highest point of the wall according to the height of the wall, so as to serve as the ceiling;
the second automatic generation subunit is used for generating a three-dimensional surface in the shape of an inner wall line closed area according to the set height of the ceiling base surface after the reading subunit reads the data information belonging to the ceiling base surface in the two-dimensional scheme file, and taking the three-dimensional surface as the ceiling base surface;
the third automatic generation subunit is used for selecting to execute the first selection operation or the second selection operation after the reading subunit reads the data information which belongs to the modeling ceiling in the two-dimensional scheme file;
the first selecting operation includes:
generating a ceiling base surface according to the inner wall line;
generating the upper surface of the layered ceiling according to the modeling ceiling area;
subtracting the upper layer surface from the ceiling base surface to generate a three-dimensional surface between the inner wall line and the modeling ceiling area, and taking the three-dimensional surface as the lower layer surface of the layered ceiling;
generating a side edge sealing surface between the upper layer surface and the lower layer surface;
the second selecting operation includes:
generating a ceiling base plane according to the inner wall line and the multi-section line of the modeling ceiling at a preset height, wherein a ceiling hole is formed in the multi-section line area;
at a preset height, according to the multi-segment contour size of the modeling ceiling, the existing ceiling blocks are subjected to three-dimensional equal-proportion size conversion and then inserted into the ceiling holes;
form side closed surface in smallpox layered region, include: the three-dimensional surface of the ceiling layered area is generated on the preset height relative to the ceiling base surface, and the edge of the three-dimensional surface of the ceiling layered area is connected with the edge of the hole in a three-dimensional manner to form a side edge sealing surface of the ceiling layered area.
Preferably, the three-dimensional design module further comprises a ground automatic generation first subunit and a ground automatic generation second subunit;
the ground automatic generation first subunit is used for automatically generating a three-dimensional surface in the shape of an inner wall line closed area at the height of 0 after the reading subunit reads the data information of the ground area in the two-dimensional scheme file, and taking the three-dimensional surface as the ground;
the ground automatic generation second subunit is used for drawing a multi-segment line closed area to generate surfaces with different heights; the surfaces of different heights are connected by side closure surfaces to create a graded platform.
The embodiment of the invention has the following beneficial effects:
according to the invention, the ceiling area and the ground area are designed on the two-dimensional plane to generate the two-dimensional scheme file, and the two-dimensional scheme file is read to realize automatic generation of the ceiling area and the ground area in the three-dimensional stereo scene, so that the effect of combining the two-dimensional drawing function with the three-dimensional construction information and the three-dimensional stereo scene of the three-dimensional automatic construction ceiling and the ground is achieved, and the problems of complexity and time consumption in the modeling process of manufacturing the three-dimensional model by the plane scheme diagram are solved.
Drawings
FIG. 1 is a flow chart of a method for constructing a ceiling and floor from a two-dimensional to three-dimensional scene according to one embodiment of the invention;
FIG. 2 is a block diagram of a ceiling and floor construction system for a two-dimensional planar-to-three-dimensional volumetric scene in accordance with one embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In order to make those skilled in the art better understand the technical solutions of the present invention, 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 terms "comprising" and "having" and any variations thereof in the description and claims of this invention are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, article, or article that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or article.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In the field of indoor design software, the general design process: measuring rooms for clients, drawing a plan view by using the room data, dividing a functional space on the plan view by a designer and arranging corresponding furniture to obtain a plan scheme view, and performing three-dimensional modeling according to the plan scheme view to obtain a three-dimensional effect view after the designer and the clients determine the plan scheme view. The process of making a three-dimensional model from a plan view requires a step-by-step re-modeling using three-dimensional design software, which is very cumbersome and time consuming. In order to solve the above problems, the present application provides a method for constructing a ceiling and a ground of a three-dimensional stereo scene from a two-dimensional plane, as shown in fig. 1, including the following steps:
step A: generating a ceiling area and/or a ground area of the closed multi-segment line to form a two-dimensional scheme file;
and B: and reading data information of a ceiling area and/or a ground area in the two-dimensional scheme file, and constructing a corresponding ceiling three-dimensional model and a corresponding ground three-dimensional model according to the read data information.
It should be noted that step a performs a design operation on a two-dimensional plane, and step B performs a design operation on a three-dimensional stereo scene.
Specifically, in one embodiment, creating a ceiling region of closed polyline includes creating a ceiling base and a contoured ceiling, specifically including:
step A1: automatically searching an inner wall line on the wall of the drawn room with the formed closed area, generating a ceiling base surface of the closed multi-segment line, and setting the height of the ceiling base surface;
this embodiment may be understood as that, when a room wall is generated in advance and the room wall is a closed area, the inner wall line of the room wall is automatically searched, a plurality of sections of the inner wall lines are closed to form a ceiling base, and the height of the ceiling base is set, and the setting of the height may be set with respect to the top or the bottom of the room wall.
Step A2: drawing a closed multi-segment line, selecting a closed area formed by the multi-segment line as a generation area of the modeling ceiling, and setting the generation height of the modeling ceiling;
this embodiment is understood to be that a plurality of lines can be drawn by itself, and these lines form a closed area, and the closed area is used as a generation area of the modeling ceiling, and when necessary, the closed area formed by these lines needs to be covered in the closed area formed by the ceiling base surface.
Preferably, in the step B, reading the data information of the ceiling area and the ground area in the two-dimensional scheme file includes:
and identifying the attributes of the ceiling area and the ground area and reading the three-dimensional construction information of the ceiling area and the ground area.
In the present embodiment, identifying the attributes of the ceiling region and the floor region and reading the three-dimensional configuration information may be understood as the width, length, height, and area of the ceiling region and the floor region, etc. of the multi-segment line.
Preferably, in the step B, the following determination is performed:
when the data information of the ceiling area in the two-dimensional scheme file is judged to be empty, automatically searching the inner wall line, and generating a three-dimensional surface in the shape of an inner wall line closed area at the highest point of the wall according to the height of the wall to serve as the ceiling;
in this embodiment, when the design operation on the two-dimensional plane in step a is not performed, the two-dimensional scheme file is still generated, but the ceiling area data in the generated two-dimensional scheme file is empty, at this time, the design operation on the three-dimensional stereo scene performed in step B automatically searches the inner wall line, and generates a three-dimensional plane with a shape of a closed area of the inner wall line at the highest point of the wall according to the height of the wall, as a ceiling, the ceiling includes a ceiling base plane and a modeling ceiling, and after the above operation is performed, the modeling ceiling and the ceiling base plane are not continuously generated.
When data information belonging to a ceiling base surface in the two-dimensional scheme file is judged and read, generating a three-dimensional surface in the shape of an inner wall line closed area according to the height of the set ceiling base surface, and taking the three-dimensional surface as the ceiling base surface;
in this embodiment, when it is determined that the data information of the ceiling base surface exists in the two-dimensional plan file, a three-dimensional surface in the shape of an inner wall line closed area is generated according to the height of the ceiling base surface set in step a, the three-dimensional surface is used as the ceiling base surface, it should be noted that the ceiling base surface belongs to a three-dimensional plane, and the ceiling base surface generated in step a1 is a two-dimensional plane.
When data information belonging to the modeling ceiling in the two-dimensional scheme file is judged and read, selecting to execute a first selection operation or a second selection operation;
the first selecting operation includes:
generating a ceiling base surface according to the inner wall line;
generating the upper surface of the layered ceiling according to the modeling ceiling area;
subtracting the upper layer surface from the ceiling base surface to generate a three-dimensional surface between the inner wall line and the modeling ceiling area, and taking the three-dimensional surface as the lower layer surface of the layered ceiling;
generating a side edge sealing surface between the upper layer surface and the lower layer surface;
in this embodiment, when it is determined that the two-dimensional scheme file has data information of a modeling ceiling, a ceiling base surface may be generated according to the data information of the ceiling base surface read in the two-dimensional scheme file, when the data information of the ceiling base surface does not exist in the two-dimensional scheme file, an inner wall line is searched to generate a ceiling base surface for closing a plurality of lines, a default height of the ceiling base surface is set, the default height of the ceiling base surface generates a three-dimensional surface having a shape of a closed area of the inner wall line, and the three-dimensional surface is used as the ceiling base surface; after the ceiling base surface is generated, according to the read data information of the modeling ceiling, the upper surface of the layered ceiling is generated in the generation area of the modeling ceiling, then the three-dimensional surface of the ceiling base surface and the upper surface of the modeling ceiling are subjected to three-dimensional subtraction, the three-dimensional surface between the inner wall line and the modeling ceiling area is generated to serve as the lower surface of the layered ceiling, and the upper surface and the lower surface are connected to generate the side edge closed surface.
The second selection operation includes:
generating a ceiling base surface according to the inner wall line and the multi-section line of the modeling ceiling at a preset height, wherein a ceiling hole is formed in the multi-section line area;
at a preset height, according to the multi-section line outline size of the modeling ceiling, performing three-dimensional equal-proportion size conversion on the existing ceiling blocks and then inserting the ceiling blocks into the ceiling holes;
in this embodiment, in addition to the layered ceiling, a three-dimensional ceiling block that has been formed (the molding is completed and the three-dimensional ceiling block is stored in the system library) may be directly inserted into the ceiling hole for generating the ceiling with a complex molding, specifically, since the closed region formed by the molding ceiling is covered in the closed region formed by the ceiling base surface and the closed region formed by the inner wall line is the largest region, a three-dimensional surface between the inner wall line and the multi-segment line may be directly generated according to the multi-segment line corresponding to the inner wall line and the generation region of the molding ceiling, and the three-dimensional surface may be used as the ceiling hole of the molding ceiling region, and then at a preset height, according to the multi-segment line profile size of the molding ceiling, the existing ceiling block may be inserted into the ceiling hole after being subjected to three-dimensional isometric size conversion.
A side edge sealing surface for forming a ceiling delamination area, comprising: the three-dimensional surface of the ceiling layered area is generated on the preset height relative to the ceiling base surface, and the edge of the three-dimensional surface of the ceiling layered area is connected with the edge of the hole in a three-dimensional manner to form a side edge sealing surface of the ceiling layered area.
In this embodiment, after the hole in the molding ceiling area is formed, the three-dimensional surface in the ceiling layered area is generated at the preset height relative to the ceiling base surface, the preset height is set according to the actual situation, and then the edge of the three-dimensional surface in the ceiling layered area is connected with the edge of the hole in a three-dimensional manner to form the side edge sealing surface in the ceiling layered area.
Furthermore, parametric light grooves can be selectively generated on the side edge closed surfaces of the ceiling layered area, and the side edge closed surfaces of the ceiling layered area generate light groove structures according to light groove parameters.
Preferably, when data information of a ground area in the two-dimensional scheme file is read, a three-dimensional surface in the shape of an inner wall line closed area is automatically generated at the height of 0, and the three-dimensional surface is used as the ground;
or drawing a multi-segment line closed area to generate surfaces with different heights;
the surfaces of different heights are connected by side closure surfaces to create a graded platform.
In this embodiment, the setting of the three-dimensional stereo scene of the ground area may be understood as that when the data information of the ground area in the two-dimensional scheme file is read, a three-dimensional surface in the shape of an inner wall line closed area is automatically generated at a height of 0, and the three-dimensional surface is used as the ground;
in another embodiment, a grading platform can be further provided, that is, a multi-level ground is provided, and specifically, the surface with different heights is generated by including or drawing a multi-segment line closed area; the surfaces of different heights are connected by side closure surfaces to create a graded platform.
A ceiling and ground construction system for converting a two-dimensional plane into a three-dimensional stereo scene is disclosed, as shown in figure 2, any one of the ceiling and ground construction methods for converting a two-dimensional plane into a three-dimensional stereo scene is applied, and the system comprises a two-dimensional design module and a three-dimensional design module;
the two-dimensional design module is used for drawing a ceiling area and/or a ground area of the closed multi-segment line to form a two-dimensional scheme file;
and the three-dimensional design module is used for reading the data information of the ceiling area and/or the ground area in the two-dimensional scheme file and constructing a corresponding ceiling three-dimensional model and a corresponding ground three-dimensional model according to the read data information.
Preferably, the two-dimensional design module further comprises a ceiling base surface generating subunit and a modeling ceiling generating subunit;
the ceiling base surface generation subunit is used for automatically searching an inner wall line on the wall of the drawn room with the formed closed area, generating a ceiling base surface of a closed multi-segment line, and setting the height of the ceiling base surface;
and the modeling ceiling generation subunit is used for drawing a closed multi-segment line, and selecting a closed area formed by the multi-segment line as a generation area of the modeling ceiling.
Preferably, the three-dimensional design module further comprises a reading subunit, and the reading subunit is used for identifying the attributes of the ceiling area and the ground area and reading the three-dimensional construction information of the ceiling area and the ground area.
Preferably, the three-dimensional design module further comprises a first automatic generation subunit, a second automatic generation subunit and a third automatic generation subunit;
the first automatic generation subunit is configured to, after the reading subunit reads that the data information of the ceiling area in the two-dimensional scheme file is empty, automatically search for an inner wall line, and generate a three-dimensional surface in the shape of an inner wall line closed area at the highest point of the wall according to the height of the wall, so as to serve as the ceiling;
the second automatic generation subunit is used for generating a three-dimensional surface in the shape of an inner wall line closed area according to the set height of the ceiling base surface after the reading subunit reads the data information belonging to the ceiling base surface in the two-dimensional scheme file, and taking the three-dimensional surface as the ceiling base surface;
the third automatic generation subunit is used for reading the data information belonging to the modeling ceiling in the two-dimensional scheme file by the reading subunit,
selecting to execute a first selection operation or a second selection operation;
the first selecting operation includes:
generating a ceiling base surface according to the inner wall line;
generating the upper surface of the layered ceiling according to the modeling ceiling area;
subtracting the upper layer surface from the ceiling base surface to generate a three-dimensional surface between the inner wall line and the modeling ceiling area, and taking the three-dimensional surface as the lower layer surface of the layered ceiling;
generating a side edge sealing surface between the upper layer surface and the lower layer surface;
the second selecting operation includes:
generating a ceiling base surface according to the inner wall line and the multi-section line of the modeling ceiling at a preset height, wherein a ceiling hole is formed in the multi-section line area;
at a preset height, according to the multi-section line outline size of the modeling ceiling, performing three-dimensional equal-proportion size conversion on the existing ceiling blocks and then inserting the ceiling blocks into the ceiling holes;
a side edge sealing surface for forming a ceiling delamination area, comprising: the three-dimensional surface of the ceiling layered area is generated on the preset height relative to the ceiling base surface, and the edge of the three-dimensional surface of the ceiling layered area is connected with the edge of the hole in a three-dimensional manner to form a side edge sealing surface of the ceiling layered area.
Preferably, the three-dimensional design module further comprises a ground automatic generation first subunit and a ground automatic generation second subunit;
the ground automatic generation first subunit is used for automatically generating a three-dimensional surface in the shape of an inner wall line closed area at the height of 0 after the reading subunit reads the data information of the ground area in the two-dimensional scheme file, and taking the three-dimensional surface as the ground;
the ground automatic generation second subunit is used for drawing a multi-segment line closed area to generate surfaces with different heights; the surfaces of different heights are connected by side closure surfaces to create a graded platform.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A ceiling and ground construction method for converting a two-dimensional plane into a three-dimensional stereo scene is characterized by comprising the following steps:
step A: generating a ceiling area and/or a ground area of the closed multi-segment line to form a two-dimensional scheme file;
and B: and reading data information of a ceiling area and/or a ground area in the two-dimensional scheme file, and constructing a corresponding ceiling three-dimensional model and a corresponding ground three-dimensional model according to the read data information.
2. The method for constructing the ceiling and the ground of the two-dimensional plane-to-three-dimensional stereo scene according to the claim 1, characterized in that:
in the step a, the generating of the ceiling area of the closed multi-segment line includes generating a ceiling base surface and a modeling ceiling, and specifically includes:
step A1: automatically searching an inner wall line on the wall of the drawn room with the formed closed area, generating a ceiling base surface of the closed multi-segment line, and setting the height of the ceiling base surface;
step A2: and drawing a closed multi-segment line, selecting a closed area formed by the multi-segment line as a generation area of the modeling ceiling, and setting the generation height of the modeling ceiling.
3. The method for constructing the ceiling and the ground of the two-dimensional plane-to-three-dimensional stereo scene according to the claim 1, characterized in that:
in the step B, reading the data information of the ceiling area and the ground area in the two-dimensional scheme file includes:
and identifying the attributes of the ceiling area and the ground area and reading the three-dimensional construction information of the ceiling area and the ground area.
4. The method for constructing the ceiling and the ground of the two-dimensional plane-to-three-dimensional stereo scene according to the claim 2 is characterized in that:
the step B comprises the following judgments:
when the data information of the ceiling area in the two-dimensional scheme file is judged to be empty, automatically searching the inner wall line, and generating a three-dimensional surface in the shape of an inner wall line closed area at the highest point of the wall according to the height of the wall to serve as the ceiling;
when data information belonging to a ceiling base surface in the two-dimensional scheme file is judged and read, generating a three-dimensional surface in the shape of an inner wall line closed area according to the height of the set ceiling base surface, and taking the three-dimensional surface as the ceiling base surface;
when data information belonging to the modeling ceiling in the two-dimensional scheme file is judged and read, selecting to execute a first selection operation or a second selection operation;
the first selecting operation includes:
generating a ceiling base surface according to the inner wall line;
generating the upper surface of the layered ceiling according to the modeling ceiling area;
subtracting the upper layer surface from the ceiling base surface to generate a three-dimensional surface between the inner wall line and the modeling ceiling area, and taking the three-dimensional surface as the lower layer surface of the layered ceiling;
generating a side edge sealing surface between the upper layer surface and the lower layer surface;
the second selecting operation includes:
generating a ceiling base surface according to the inner wall line and the multi-section line of the modeling ceiling at a preset height, wherein a ceiling hole is formed in the multi-section line area;
at a preset height, according to the multi-section line outline size of the modeling ceiling, performing three-dimensional equal-proportion size conversion on the existing ceiling blocks and then inserting the ceiling blocks into the ceiling holes;
a side edge sealing surface for forming a ceiling delamination area, comprising: the three-dimensional surface of the ceiling layered area is generated on the preset height relative to the ceiling base surface, and the edge of the three-dimensional surface of the ceiling layered area is connected with the edge of the ceiling hole in a three-dimensional manner to form a side edge sealing surface of the ceiling layered area.
5. The method for constructing the ceiling and the ground of the two-dimensional plane-to-three-dimensional stereo scene according to the claim 4, characterized in that:
when data information of a ground area in a two-dimensional scheme file is read, a three-dimensional surface in the shape of an inner wall line closed area is automatically generated at the height of 0, and the three-dimensional surface is used as the ground;
or drawing a multi-segment line closed area to generate surfaces with different heights;
the surfaces of different heights are connected by side edge sealing surfaces to generate a graded platform.
6. The utility model provides a two-dimensional plane changes three-dimensional stereo scene's smallpox and ground construction system which characterized in that:
a ceiling and ground construction method applying a two-dimensional plane-to-three-dimensional stereo scene according to any one of claims 1 to 5, the system comprising a two-dimensional design module and a three-dimensional design module;
the two-dimensional design module is used for drawing a ceiling area and/or a ground area of the closed multi-segment line to form a two-dimensional scheme file;
and the three-dimensional design module is used for reading the data information of the ceiling area and/or the ground area in the two-dimensional scheme file and constructing a corresponding ceiling three-dimensional model and a corresponding ground three-dimensional model according to the read data information.
7. The system of claim 6, wherein the system is configured to convert a two-dimensional plane into a three-dimensional stereo scene from a ceiling to a floor, and wherein:
the two-dimensional design module further comprises a ceiling base surface generating subunit and a modeling ceiling generating subunit;
the ceiling base surface generation subunit is used for automatically searching an inner wall line on the wall of the drawn room with the formed closed area, generating a ceiling base surface of a closed multi-segment line, and setting the height of the ceiling base surface;
and the modeling ceiling generation subunit is used for drawing a closed multi-segment line, and selecting a closed area formed by the multi-segment line as a generation area of the modeling ceiling.
8. The system of claim 6, wherein the system is configured to convert a two-dimensional plane into a three-dimensional stereo scene, and comprises:
the three-dimensional design module further comprises a reading subunit, and the reading subunit is used for identifying the attributes of the ceiling area and the ground area and reading the three-dimensional construction information of the ceiling area and the ground area.
9. A ceiling and floor construction system for converting a two-dimensional plane into a three-dimensional stereo scene according to claim 8, wherein:
the three-dimensional design module further comprises a first automatic generation subunit, a second automatic generation subunit and a third automatic generation subunit;
the first automatic generation subunit is configured to, after the reading subunit reads that the data information of the ceiling area in the two-dimensional scheme file is empty, automatically search for an inner wall line, and generate a three-dimensional surface in the shape of an inner wall line closed area at the highest point of the wall according to the height of the wall, so as to serve as the ceiling;
the second automatic generation subunit is used for generating a three-dimensional surface in the shape of an inner wall line closed area according to the set height of the ceiling base surface after the reading subunit reads the data information belonging to the ceiling base surface in the two-dimensional scheme file, and taking the three-dimensional surface as the ceiling base surface;
the third automatic generation subunit is used for selecting to execute the first selection operation or the second selection operation after the reading subunit reads the data information which belongs to the modeling ceiling in the two-dimensional scheme file;
the first selecting operation includes:
generating a ceiling base surface according to the inner wall line;
generating the upper surface of the layered ceiling according to the modeling ceiling area;
subtracting the upper layer surface from the ceiling base surface to generate a three-dimensional surface between the inner wall line and the modeling ceiling area, and taking the three-dimensional surface as the lower layer surface of the layered ceiling;
generating a side edge sealing surface between the upper layer surface and the lower layer surface;
the second selection operation includes:
generating a ceiling base surface according to the inner wall line and the multi-section line of the modeling ceiling at a preset height, wherein a ceiling hole is formed in the multi-section line area;
at a preset height, according to the multi-segment contour size of the modeling ceiling, the existing ceiling blocks are subjected to three-dimensional equal-proportion size conversion and then inserted into the ceiling holes;
a side edge sealing surface for forming a ceiling delamination area, comprising: the three-dimensional surface of the ceiling layering area is generated on the preset height relative to the ceiling base surface, and the edge of the three-dimensional surface of the ceiling layering area is connected with the edge of the hole in a three-dimensional manner to form a side edge sealing surface of the ceiling layering area.
10. A ceiling and floor construction system for converting a two-dimensional plane into a three-dimensional stereo scene according to claim 8, wherein:
the three-dimensional design module further comprises a ground automatic generation first subunit and a ground automatic generation second subunit;
the ground automatic generation first subunit is used for automatically generating a three-dimensional surface in the shape of an inner wall line closed area at the height of 0 after the reading subunit reads the data information of the ground area in the two-dimensional scheme file, and taking the three-dimensional surface as the ground;
the ground automatic generation second subunit is used for drawing a multi-segment line closed area to generate surfaces with different heights; the surfaces of different heights are connected by side closure surfaces to create a graded platform.
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