CN113127960A - Method and device for generating continuous straight paving scheme of floor tiles of room - Google Patents
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Abstract
The invention provides a method and a device for generating a continuous and straight paving scheme of floor tiles for a room, wherein the method comprises the following steps: determining a line segment corresponding to at least one wall surface in a room, generating candidate paving starting points by the line segment, and collecting all candidate paving starting points to form a candidate paving starting point set; traversing the candidate paving starting point set to generate a brick set corresponding to the candidate paving starting points one by one; determining a plurality of evaluation indexes for evaluating the brick sets, and calculating the value of each evaluation index of each brick set; generating an optimal starting point of the room by combining the comprehensive indexes of the evaluation indexes; and creating a continuous straight paving scheme of the floor tiles of the room by the optimal paving starting points. According to the invention, the optimal paving point is optimized by generating the candidate paving point set and the plurality of corresponding brick sets and combining a plurality of evaluation indexes, so that the generated continuous and straight paving scheme of the floor tile has high regularity, simple construction and low economic cost, and the user satisfaction is improved by combining the user preference.
Description
Technical Field
The invention relates to the technical field of intelligent house decoration, in particular to a method and a device for generating a continuous and straight paving scheme of floor tiles of a room.
Background
The paving and pasting of the floor tiles in the room is a common ring in decoration, and the paving and pasting of the floor tiles takes long time and is high in cost, so that a paving and pasting scheme needs to be designed in advance, and disputes caused by the fact that the paving and pasting cannot be expected after the paving and pasting are finished are avoided.
In the traditional scheme design, a decoration designer or a bricklayer gives the design according to business experiences, on one hand, the business experiences of different people are often greatly different, and on the other hand, the preferences of different roles are greatly different. If the designer focuses on the consideration of attractive and neat appearance, the laying scheme is designed by using tools such as CAD (computer-aided design), but brick joints are probably ignored, so that deviation between design and actual construction is caused, and the problems of economic cost and operation difficulty in the aspect of actual construction are also ignored. The tile worker focuses on the consideration of construction operability, and the paving scheme is determined only in a pre-paving mode for placing the floor tiles on a construction site. The paving scheme not only influences the overall attractive appearance and regularity, but also can cause too many and too narrow residual bricks which are easy to break during cutting, thereby causing material waste.
Fig. 1 to 3 show several typical prior art continuous straight tile laying processes, i.e. tiles are laid in alignment with one another, with the seams forming a grid that is flat and vertical with respect to one wall of the room. As can be seen from fig. 1 to 3, basically, each room has narrow-edge brick scraps, which cause difficulty in construction, lead to material waste, and affect the overall regularity.
It is to be noted that the information disclosed in the background section above is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not constitute prior art that is already known to a person skilled in the art.
Disclosure of Invention
In order to at least partially solve the problems in the prior art, the invention provides a method for generating a room floor tile continuous straight-paving scheme, which can be used for generating an optimal starting point for paving the room floor tiles based on multiple evaluation indexes by combining the factors of regularity, economy and construction operability, so that the generated floor tile continuous straight-paving scheme has high regularity, simple construction and low cost, and the problems in the prior art are solved.
The invention provides a method for generating a continuous and straight paving scheme of floor tiles for a room, which comprises the following steps of: determining a line segment corresponding to at least one wall surface in a room, generating candidate paving starting points by the line segment, and collecting all candidate paving starting points to form a candidate paving starting point set; traversing the candidate paving starting point set to generate a brick set corresponding to the candidate paving starting points one by one; determining a plurality of evaluation indexes for evaluating the brick sets, and calculating the value of each evaluation index of each brick set; generating an optimal starting and laying point of the room according to the various evaluation index values of each brick set obtained through calculation and by combining the comprehensive indexes of the evaluation indexes; and creating a continuous straight paving scheme of the floor tiles of the room by the optimal paving starting points.
The candidate starting points are generated by the following method: calculating a starting point, a middle point and an end point of a line segment corresponding to at least one wall surface, and stepping a set value along a direction which is perpendicular to the line segment corresponding to the wall surface and points into a room on the basis of the starting point, the middle point and the end point respectively to obtain candidate paving points of the line segment corresponding to the wall surface.
When a room contains a 270-degree external angle formed by a first wall surface and a second wall surface, a candidate paving point set of corresponding line segments of the first wall surface and the second wall surface is generated in the following mode: determining candidate paving points on a straight line where the corresponding line segment of the first wall surface is located, wherein the distance between each candidate paving point and the corresponding line segment of the wall surface parallel to the second wall surface in the room is equal to the integral multiple of the length of the brick length plus the brick joint or the length of the brick width plus the brick joint, and integrating all the candidate paving points to form a candidate paving point set of the corresponding line segment of the first wall surface; and determining candidate paving points on a straight line where the corresponding line segment of the second wall surface is located, wherein the distance between each candidate paving point and the corresponding line segment of the wall surface parallel to the first wall surface in the room is equal to the integral multiple of the length of the brick length plus the brick joint or the length of the brick width plus the brick joint, and integrating all the candidate paving points to form a candidate paving point set of the corresponding line segment of the second wall surface.
The brick set is generated by the following steps: respectively stepping the brick length and the brick seam length or the brick width and the brick seam length in a straight paving mode from the candidate paving starting point, and continuously stepping the brick length and the brick seam length in sequence until the brick reaches the boundary of the room ground paving space; and the whole brick rectangular shape and the residual brick geometric shape generated in the stepping process jointly form a brick set corresponding to the candidate paving starting point.
The multiple evaluation indexes comprise regularity indexes, floor tile loss rate and construction operability indexes, wherein: the regularity index comprises one or more of the whole brick number, the whole brick number of the wall and floor tiles of the entrance door, the whole brick degree sum of the wall and floor tiles of the entrance door, the whole brick number of the wall and floor tiles of the near entrance door, the whole brick degree sum of the wall and floor tiles of the near entrance door, and the whole brick degree sum of the floor tiles, wherein the calculation formula of the whole brick degree is as follows:
wherein,
s represents the actual area value of the geometric shape of the laid floor tile, S0Represents the area value of the whole brick;
the floor tile loss rate calculation formula is as follows:
floor tile loss rate is calculated floor tile number multiplied by whole tile area/room area-1
Wherein the calculated number of the floor tiles is the calculated number of the whole floor tiles which are actually purchased for paving the floor tiles of the room;
the construction operability index comprises a minimum value of a narrow edge of a rectangular residual brick and an external corner non-rectangular brick value, and the calculation formula of the external corner non-rectangular brick value is as follows:
wherein, all the external corners are sorted in ascending order according to the distance from the entrance door to obtain the serial number i of each external corner, n is the houseNumber of internal and external corners between the two sides, wiIs the weight of the ith external corner, wi＝1/10i，miThe number of non-rectangular tiles at the ith external corner.
According to one embodiment of the invention, the invention generates the optimal starting point of the room by combining the priorities of the evaluation indexes in the following way: according to the sequence of the priority of each evaluation index from high to low, the evaluation index values of each brick set are sorted one by one according to the evaluation index, the brick set with the highest evaluation index value is filtered and screened to form a candidate brick set, the candidate brick set obtained by filtering and screening the previous evaluation index is used as the object of filtering and screening the next evaluation index, the filtering and screening operations are repeated until only one brick set is contained in the candidate brick set, and the candidate paving starting point corresponding to the brick set is used as the optimal paving starting point; and if the candidate brick sets obtained finally contain more than one brick set after filtering and screening in sequence according to each evaluation index, randomly selecting the candidate paving point corresponding to one of the brick sets as the optimal paving point.
According to an embodiment of the invention, the invention generates the optimal starting point of the room by combining the weights of the evaluation indexes in the following way: and calculating the score of each brick set according to the weight value of each evaluation index and each calculated evaluation index value, and taking the candidate paving point corresponding to the brick set with the highest score as the optimal paving point.
According to another aspect of the present invention, there is provided a method for producing a continuous straight paving scheme for multi-room building floor tiles, comprising the steps of: marking a house entrance door as a level 1 door, marking a room entering the entrance door as a level 1 room, traversing all unmarked doors of a k-th room leading to other adjacent rooms, marking as a k + 1-th door, marking all unmarked rooms entering the k + 1-th door as a k + 1-th room, and repeatedly executing the traversing operation until no unmarked door of the room entering the k + 1-th door leads to other adjacent rooms, wherein k is a positive integer; taking the door with the highest level in each room as an entrance door of the room; and executing the method for generating the continuous straight paving scheme of the floor tiles of the rooms, and generating the continuous straight paving scheme of the floor tiles for each room.
According to another aspect of the present invention, there is also provided an apparatus for creating a continuous straight paving scheme for floor tiles for a room, comprising: the candidate starting point set generating module is configured to determine a line segment corresponding to at least one wall surface in a room, generate candidate starting points from the line segment, and combine all the candidate starting points to form a candidate starting point set; a brick set generation module configured to generate a brick set in one-to-one correspondence with the candidate tie points; an evaluation index value calculation module configured to determine a plurality of evaluation indexes for evaluating the brick sets and calculate a value of each evaluation index of each brick set; the optimal starting point generating module is configured to generate an optimal starting point of the room according to the calculated evaluation index values of each brick set and by combining the comprehensive indexes of the evaluation indexes; a plan creation module configured to create a continuous straight-lay plan of room tiles from the optimal starting points.
The candidate starting point set generation module is further configured to: and calculating a starting point, a middle point and an end point of the line segment corresponding to at least one wall surface, and stepping a set value along a direction which is perpendicular to the line segment corresponding to the at least one wall surface and points into the room on the basis of the starting point, the middle point and the end point respectively to obtain candidate paving points of the line segment corresponding to the at least one wall surface.
The candidate starting point set generating module is further configured to, when a 270 ° external corner formed by the first wall surface and the second wall surface is included in the room: determining candidate paving points on a straight line where the corresponding line segment of the first wall surface is located, wherein the distance between each candidate paving point and the corresponding line segment of the wall surface parallel to the second wall surface in the room is equal to the integral multiple of the length of the brick length plus the brick joint or the length of the brick width plus the brick joint, and integrating all the candidate paving points to form a candidate paving point set of the corresponding line segment of the first wall surface; and determining candidate paving points on a straight line where the corresponding line segment of the second wall surface is located, wherein the distance between each candidate paving point and the corresponding line segment of the wall surface parallel to the first wall surface in the room is equal to the integral multiple of the length of the brick length plus the brick joint or the length of the brick width plus the brick joint, and integrating all the candidate paving points to form a candidate paving point set of the corresponding line segment of the second wall surface.
The above-mentioned brick set generation module is further configured to: respectively stepping the brick length and the brick seam length or the brick width and the brick seam length in a straight paving mode from the candidate paving starting point, and continuously stepping the brick length and the brick seam length in sequence until the brick reaches the boundary of the room ground paving space; and the whole brick rectangular shape and the residual brick geometric shape generated in the stepping process jointly form a brick set corresponding to the candidate paving starting point.
The evaluation index value calculation module uses a plurality of evaluation indexes including regularity, floor tile loss rate and construction operability, wherein: the regularity index comprises one or more of the whole brick number, the whole brick number of the wall and floor tiles of the entrance door, the whole brick degree sum of the wall and floor tiles of the entrance door, the whole brick number of the wall and floor tiles of the near entrance door, the whole brick degree sum of the wall and floor tiles of the near entrance door, and the whole brick degree sum of the floor tiles, wherein the calculation formula of the whole brick degree is as follows:
wherein,
s represents the actual area value of the geometric shape of the laid floor tile, S0Represents the area value of the whole brick;
the floor tile loss rate calculation formula is as follows:
floor tile loss rate is calculated floor tile number multiplied by whole tile area/room area-1
Wherein the calculated number of the floor tiles is the calculated number of the whole floor tiles which are actually purchased for paving the floor tiles of the room;
the construction operability index comprises a minimum value of a narrow edge of a rectangular residual brick and an external corner non-rectangular brick value, and the calculation formula of the external corner non-rectangular brick value is as follows:
wherein, all the external corners are sorted in ascending order according to the distance from the entrance door to obtain all the external cornersThe serial number i, n is the number of the external corners in the room, wiIs the weight of the ith external corner, wi＝1/10i，miThe number of non-rectangular tiles at the ith external corner.
The optimal starting point generation module is further configured to: according to the sequence of the priority of each evaluation index from high to low, the evaluation index values of each brick set are sorted one by one according to the evaluation index, the brick set with the highest evaluation index value is filtered and screened to form a candidate brick set, the candidate brick set obtained by filtering and screening the previous evaluation index is used as the object of filtering and screening the next evaluation index, the filtering and screening operations are repeated until only one brick set is contained in the candidate brick set, and the candidate paving starting point corresponding to the brick set is used as the optimal paving starting point; and if the candidate brick sets obtained finally contain more than one brick set after filtering and screening in sequence according to each evaluation index, randomly selecting the candidate paving point corresponding to one of the brick sets as the optimal paving point.
The optimal starting point generation module is further configured to: and calculating the score of each brick set according to the weight value of each evaluation index and each calculated evaluation index value, and taking the candidate paving point corresponding to the brick set with the highest score as the optimal paving point.
According to another aspect of the present invention, there is also provided an apparatus for generating a continuous straight paving scheme for multi-room house floor tiles, comprising: an entrance door determination module; a candidate paving point set generating module, a brick set generating module, an evaluation index value calculating module, an optimal paving point generating module and a scheme creating module which are contained in the generating device of the continuous and straight paving scheme of the floor tiles of the room; wherein the entry door determination module is configured to: marking a house entrance door as a level 1 door, marking a room entering the entrance door as a level 1 room, traversing all unmarked doors of a k-th room leading to other adjacent rooms, marking as a k + 1-th door, marking all unmarked rooms entering the k + 1-th door as a k + 1-th room, and repeatedly executing the traversing operation until no unmarked door of the room entering the k + 1-th door leads to other adjacent rooms, wherein k is a positive integer; and taking the door with the highest level in each room as the entrance door of the room.
According to another aspect of the present invention, there is also provided a computer apparatus, which may include: a processor, a storage device, and a computer program stored on the storage device and executable on the processor, the steps of the method for generating a continuous tile straight-laying scheme as described above being implemented when the computer program is executed by the processor.
According to another aspect of the present invention, there is also provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method for generating a continuous tile straight paving scheme as described above.
According to the invention, under the conditions that the geometric shape, the specification and the size of the floor tiles of a room are known and the paving process is continuous straight paving, the optimal starting point for paving the floor tiles of the room is automatically generated based on geometric calculation and multiple evaluation indexes optimization by combining various factors such as regularity, economy and construction operability and the like, and then the continuous straight paving scheme of the floor tiles of the room is generated by the optimal starting point, so that the finally obtained continuous straight paving scheme of the floor tiles has high regularity, simple construction and low economic cost. The invention enables decoration employees, can combine the preference of users and improves the satisfaction degree of the users.
Drawings
The above and other features of the present invention will be described in detail below with reference to certain exemplary embodiments thereof, which are illustrated in the accompanying drawings, and which are given by way of illustration only, and thus are not limiting of the invention, wherein:
fig. 1 shows a schematic view of a continuous straight-laying process of floor tiles for a conventional regular room.
Fig. 2 shows a schematic view of a continuous straight paving process of floor tiles for an existing irregular room.
Fig. 3 shows a schematic view of a continuous straight paving process for a conventional complete house type floor tile.
Fig. 4 is a schematic flow chart illustrating a method for generating a continuous straight paving scheme for floor tiles according to an embodiment of the present invention.
FIG. 5 is a schematic diagram of a multi-room housing configuration for determining door levels in accordance with an embodiment of the present invention.
FIG. 6 is a diagram illustrating the generation of a set of candidate placements according to a specific embodiment of the present invention.
FIG. 7 is a diagram illustrating the generation of a set of external corner candidate placements in a room, according to an embodiment of the invention.
Figure 8 shows a schematic diagram of a brick set M formed from a starting point a1 according to a specific embodiment of the invention.
Figure 9 shows a schematic diagram of a tile set N formed from a starting point B1, according to a specific embodiment of the invention.
Fig. 10 illustrates a specific map for calculating the tile integrity function according to an embodiment of the present invention.
FIG. 11 illustrates a flow diagram for generating optimal start and stop points using index prioritization in accordance with a particular embodiment of the present invention.
FIG. 12 is a flow chart illustrating the generation of optimal pick-and-place points using an index weighting approach according to an embodiment of the present invention.
Fig. 13 is a schematic structural view illustrating a continuous straight-paving scheme generating apparatus for room floor tiles according to an embodiment of the present invention.
Detailed Description
The present invention is described in detail below with reference to specific examples so that those skilled in the art can easily practice the present invention based on the disclosure of the present specification. The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by a person skilled in the art on the basis of the embodiments described in the present specification without inventive step are within the scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present specification may be combined with each other without conflict.
Fig. 4 is a schematic flow chart illustrating a method for creating a continuous straight paving scheme for floor tiles according to an embodiment of the present invention. As shown in the figure, first, in step S401, a line segment corresponding to each wall surface of a room is determined, a plurality of candidate starting points are generated from each line segment, and all the candidate starting points are collected together to form a candidate starting point set. Next, in step S402, the candidate starting point set is traversed, and a plurality of brick sets corresponding to each candidate starting point are generated. Then in step S403, a plurality of evaluation indexes for evaluating the brick sets are determined, and the values of the evaluation indexes of each brick set are calculated; then in step S404, generating an optimal starting point of the room according to the evaluation index values of each brick set calculated in step S403 and by combining the priorities or weights of the evaluation indexes; finally, in step S405, a continuous straight paving scheme of the room floor tiles is created from the optimal paving start point.
Figure 5 is a schematic diagram illustrating the floor geometry of each room in a dwelling having a plurality of rooms and determining the door level of each room according to one embodiment of the present invention. The floor geometry of each room in the house is composed of the geometry that the wall surfaces and doors forming each room are projected on the floor, and each vertex of the floor geometry of each room can be represented by two-dimensional coordinates.
In this embodiment, the purpose of determining the door level of each room is to determine an entry door of each room, so as to provide a basis for subsequent multiple evaluation indexes. The method is a level traversal method, and comprises the following specific operations: the door sign for entering the multi-room house from the outdoor is used as an entrance door, and if the entrance door has a plurality of doors, one of the doors is selected. The selected entrance is set as the kth-level door, and the room entered by the entrance is set as the kth-level room, for example, the entrance hall in fig. 5 is the first-level room (k ═ 1). All unmarked doors leading to other adjacent rooms from the kth-level room are traversed, and the unmarked doors are set as the (k + 1) -level doors, for example, the door entering the living room from the entrance room in fig. 5 is the second-level door (k is 1). All unmarked rooms entering from the (k + 1) th door are marked as (k + 1) th rooms, for example, the living room in fig. 5 is the second-level room (k ═ 1). The above traversal operation is repeatedly performed, for example, the doors entering the bathroom a, the bedroom B, the balcony a, the cloakroom and the kitchen from the living room in fig. 5 are all set as the third-level doors (k ═ 2), and the bathroom a, the bedroom B, the balcony a, the cloakroom and the kitchen in fig. 5 are marked as the third-level rooms (k ═ 2); in fig. 5, the door for entering the balcony B and the restroom from the kitchen, the door for entering the bedroom a and the bedroom B from the balcony a, and the door for entering the bedroom a and the bathroom B from the hatrack are all set as the fourth-stage door (k is 3); the balcony B, the washroom, the toilet B, and the bedroom a in fig. 5 are labeled as a fourth-stage room (k ═ 3), and since the bedroom B has been labeled as a third-stage room in the previous operation, although the door entering the bedroom B from the balcony a is labeled as a fourth-stage door, it is not labeled as a fourth-stage room. The above traversal operation is repeatedly performed until no door of the room is communicated to the next room, for example, the storage room and the open terrace in fig. 5 are not communicated to the next room, and the level of all doors of all rooms can be obtained. The door levels decrease in order from the first level door.
When determining the entrance doors of the rooms, according to the door level of each room, the door with the highest level is generally selected as the entrance door of the room, and if more than one door with the highest level exists in a certain room, the door with the highest level is selected as the entrance door. For example, bedroom B in FIG. 5 has two doors: the door entering from the living room, the door entering from the balcony a, and the door entering from the living room are set to the third level and the fourth level, and therefore the door entering from the living room is selected as the entrance door of the bedroom B. As another example, bedroom A in FIG. 5 has two doors: a door that enters from a locker room, a door that enters from a balcony a, and since both doors are set to the fourth stage, either one of them can be selected as the entrance door.
After the entrance door of each room is determined, it is also necessary to specify the size information of the tiles to be laid, including the length and width of the tiles. The specifications of the common floor tiles on the market are 300mm multiplied by 300mm,600mm multiplied by 600mm,800mm multiplied by 800mm and the like. The size range of the floor tile gap is usually between 1mm and 15mm, and is generally 2mm, so as to avoid the fracture of the floor tile caused by expansion and contraction.
FIG. 6 is a diagram illustrating an exemplary embodiment of step S401 of the flowchart shown in FIG. 4 in which a set of candidate starting points in a room is generated in detail. As shown in the figure, for example, a starting point a, a middle point B, and an end point C of a wall line segment (a lower horizontal line segment of the rectangle in fig. 6) of the room entrance door are calculated, and based on these three points, a certain brick seam value is stepped along a direction perpendicular to the wall line segment and pointing into the room, such as any value between 1mm and 15mm step values, candidate paving points a ', B ', C ' of the wall line segment are obtained. Or, any value smaller than the whole brick length, such as 50mm or 100mm, may be stepped to obtain new candidate paving points a ", B", and C "with residual bricks along the wall segment. Thus, the set of candidate paving points a ', B ', C ', a ", B", and C "is the set of candidate paving points for the wall segment.
Traversing each wall segment in the room according to the candidate paving point set generation rule to generate a plurality of wall segment candidate paving point sets, wherein all the wall segment candidate paving point sets form the candidate paving point set of the room;
FIG. 7 shows a schematic diagram of a method of generating a candidate set of waypoints for an external corner of 270 when included in a room. Take the external corner recessed into the room at the bottom left in FIG. 7 as an example, the external corner is composed of mutually perpendicular wall segments l1And l2Form, wall segment l1And l2Is marked p, the line segment l is calculated1To a wall segment l parallel thereto3Obtaining a remainder r by summing the distance d with s, wherein s is the length of the brick length plus the brick joint or the length of the brick width plus the brick joint, and obtaining a candidate paving starting point p 'of the external angle y axis after adding the remainder r to the y coordinate value of the point p, wherein the candidate paving starting point p' and the wall surface line segment l3Is an integer multiple of s.
Traverse and line segment l1All wall sections in parallel, e.g. wall section l4Calculating the line segment l1To the wall line segment l4The distance d ' is complemented with s to obtain a remainder r ', and then the remainder r ' is subtracted from the y coordinate value of the point p to obtain a candidate paving point p ' of the external angle y axis, wherein the candidate paving point p ' and the wall surface line segment l4Is an integer multiple of s. And the candidate spread points p' are collected to obtain a candidate spread point set of the external corner on the y axis.
In a similar manner, traverseAnd a wall line segment l2Obtaining candidate paving point sets of the external corner on the x axis by all parallel wall surface line segments; the candidate paving point sets of the x-axis and the y-axis generated by the external corner p point can be combined pairwise to generate a candidate paving point set corresponding to the external corner p.
Fig. 8 is a schematic diagram of an exemplary embodiment of a tile set M formed by the combination of all tile geometries formed by the start point a1 in step S402 of the flowchart of fig. 4. The specific steps of an exemplary generation method of the brick set M may include, for example: (1) obtaining a plurality of equivalent starting points A2, A3 and A4 … An from the candidate starting point A1, wherein the equivalent starting points A2, A3 and A4 … An have integral multiples of brick length plus brick seam length different from the x coordinate value of the candidate starting point A1 and integral multiples of brick width plus brick seam length different from the y coordinate value of the candidate starting point A1, and the x and y coordinate values of the equivalent starting point A2 are more than or equal to the corresponding coordinates of the lower left corner of the room floor paving space; of course, depending on the direction of the floor tiles, the coordinates of the upper right corner of the floor tile space of the room may be less than or equal to the corresponding coordinates of the upper right corner of the floor tile space. (2) The whole-brick rectangular shape generated in the stepping process and the intersection of the generated whole-brick rectangular shape and the boundary of the floor paving space of the room obtain the geometric shapes of the floor tiles in the room, and together form a tile set M formed by the combination of all the geometric shapes of the floor tiles formed by the starting point A1. It should be noted that the equivalent spread points a2, A3, a4 … An marked in fig. 8 are only exemplary marks for convenience of illustration, and in fact, the vertices of each rectangle shown in fig. 8 are equivalent spread points, that is, the x-coordinate values of each equivalent spread point and the candidate spread point a1 may be different from the y-coordinate values of the candidate spread point a1 by the same or different multiples. The selection of the brick length and the brick width is only used as an example, and the brick length and the brick width can be exchanged with each other without departing from the concept of the invention, and the same technical effects can be achieved.
Similarly, if the candidate starting point B1 is used as the starting point, a series of equivalent starting points B2, B3, B4 … Bn formed by the candidate starting point B1 as shown in fig. 9 can be obtained, and further a tile set N formed by all tile geometries combined is formed.
The same method may be used to traverse the set of candidate starting points for the room, generating a number of sets of bricks corresponding to each starting point.
As described above, in step S403 of the flowchart shown in fig. 4, a plurality of evaluation indexes for evaluating brick sets may be determined, and the values of the evaluation indexes of each brick set may be calculated. According to an embodiment of the present invention, the evaluation indexes may include regularity, floor tile loss rate, and construction workability.
The regularity index may specifically include one or more of the following: the whole brick number, the whole brick number of the wall and floor tiles of the entrance door, the whole brick degree of the wall and floor tiles of the entrance door, the whole brick number of the wall and floor tiles of the near entrance door, the whole brick degree of the wall and floor tiles of the near entrance door and the whole brick degree of the floor tiles.
The whole brick number index refers to the number of the whole bricks in the brick set, and the index is larger and better.
The whole brick number index of the wall and floor tiles where the entrance door is located refers to the number of whole bricks in all floor tiles with the distance from the wall where the entrance door is located to be smaller than a threshold value (corresponding to a brick joint value, for example, 2mm), and the index is larger and better.
The whole brick degree of the wall and the floor tile at the entrance door and the index refer to the sum of the whole brick degrees of all the bricks with the distance from the wall at the entrance door to be less than a threshold value (corresponding to a brick joint value, for example, 2mm), the larger the index is, the better the index is, and the calculation method of the whole brick degrees is described in detail below.
The whole brick number index of the floor tiles of the near-entry door wall refers to the number of whole bricks in all the floor tiles with the distance from the near-entry door wall to the near-entry door wall being smaller than a threshold value (corresponding to a brick joint value, for example, 2mm), and the index is better when the index is larger. The near entrance door wall refers to a wall which is away from the entrance door by more than 0 and has the smallest distance value among all other walls except the entrance door wall in the room.
The whole brick degree of the tile of the near-entry door wall and the index refer to the sum of the whole brick degrees of all the tiles of which the distance from the near-entry door wall is less than a threshold value (corresponding to a brick joint value, for example, 2mm) in a brick set, and the index is better if the index is larger.
The whole brick degree and index of the floor tile refer to the sum of the whole brick degrees of all the bricks in the tile set, and the larger the index is, the better the index is.
The total brick degree of each brick in the set of bricks can be calculated in the following manner. Firstly, judging whether the floor tiles are whole tiles or residual tiles according to the geometric shapes obtained at the intersection of the floor tiles and the boundary of the paving space of the room floor. Then the whole brick degree is calculated. The method for judging the whole brick comprises the following steps: if the geometric shape of the floor tile has four vertexes and the length, width and area values S of the geometric shape exceed the set threshold value of the whole tile, the geometric shape is judged to be the whole tile, otherwise, the geometric shape is the residual tile. The calculation method of the whole brick degree B (r) of the floor tile comprises the following steps:
wherein,
s represents the actual area value of the geometric shape of the laid floor tile, S0Represents the area value of the whole brick, and r is (0, 1)](ii) a The larger the r value is, the larger the area of the tile is, the closer the whole tile degree is to 1, and vice versa, the closer the whole tile degree is to 0, and the specific map is shown in fig. 10.
The formula for calculating the loss rate of the floor tile is as follows:
floor tile loss rate is calculated floor tile number multiplied by whole tile area/room area-1
The calculated quantity of the floor tiles is the number of the whole tiles which are actually purchased for paving the floor tiles and are calculated by a first fit descan method; the smaller the index, the better.
The construction operability index may specifically include one or more of the following indexes: the minimum value of the narrow edge of the rectangular residual brick and the value of the external corner non-rectangular brick. The minimum value of the narrow sides of the rectangular residual bricks is the minimum value of the short sides of all residual bricks in the brick set, and the smaller the index is, the better the index is.
The calculation formula of the external corner non-rectangular brick value is as follows:
wherein all external corners are arranged according to the distanceThe distances between the entrance doors are sorted in ascending order to obtain the serial number i of each external corner, n is the number of the external corners in the room, wiIs the weight of the ith external corner, wi＝1/10i，miThe number of non-rectangular tiles at the ith external corner.
And finally, according to the calculated multiple evaluation index value scores of the brick sets corresponding to all the starting points of the room and in combination with the preference of the user on each evaluation index, calculating to obtain the optimal starting point of the room, namely the brick set corresponding to the optimal starting point is the optimized continuous and straight floor tile laying scheme of the room.
Fig. 11 is a detailed flowchart of an exemplary embodiment of obtaining an optimal starting point by using the priority method in step S404 in the flowchart shown in fig. 4. First, in step S1101, the priority of each evaluation index may be set according to the user' S demand, and for example, the priority of each index may be set as: the whole brick number is greater than the whole brick degree of the floor tiles, the floor tile loss rate is greater than the whole brick number of the wall and floor tiles where the entrance door is located, the whole brick degree of the wall and floor tiles where the entrance door is located, the whole brick number of the wall and floor tiles close to the entrance door, the whole brick degree of the wall and floor tiles close to the entrance door, the minimum value of the narrow edge of the rectangular residual brick and the non-rectangular brick value of the external angle. Then, in step S1102, each evaluation index is traversed from high to low according to the priority, the whole brick number index values in all the brick sets are calculated preferentially, and the candidate brick set with the highest whole brick number index value is selected by filtering, for example, the candidate brick set includes 15 highest-value brick sets with the same whole brick number index values. In step S1103, on the basis of the 15 candidate brick sets obtained in step S1102, a second priority index value, that is, an index value of the total brick degree sum of the tiles, is calculated, and the brick set with the highest first and second priority index values, for example, 10 candidate brick sets, is further filtered and screened. In optional step S1104, each evaluation index is continuously traversed from high to low in sequence until only one brick set remains in the candidate brick sets filtered and screened in step S1105, and the candidate start point corresponding to the brick set is taken as the optimal start point in step S1107. If more than one, for example, 3 brick sets still exist after all the evaluation index values are traversed in step S1104, that is, all the evaluation index values of the 3 brick sets are the highest and the same, then a brick set is randomly selected from the 3 candidate brick sets finally filtered and screened in step S1106, and the candidate starting point corresponding to the brick set is used as the optimal starting point in step S1107.
Fig. 12 is a schematic flowchart illustrating an exemplary embodiment of the method for obtaining an optimal starting point by using the weight method in step S404 in the flowchart illustrated in fig. 4. In step S1201, the weight value of each evaluation index is set according to the user demand, and for example, the weight of each evaluation index may be set as: the number of the whole bricks is 20%, the loss rate of the floor tiles is 15%, the whole degree and 15% of the floor tiles, the whole number of the floor tiles of the entrance doors is 12%, the whole degree and 11% of the floor tiles of the entrance doors, the whole number and 10% of the floor tiles of the wall and the wall of the near entrance doors, the whole degree and 9% of the floor tiles of the wall and the wall of the near entrance doors, the minimum value of the narrow sides of the rectangular residual bricks is 5%, and the value of the external-angle non-rectangular bricks is. Then, in step S1202, a score of the brick set corresponding to each candidate top point is calculated according to each evaluation index weight value and each calculated evaluation index value. Finally, in step S1203, the candidate starting point corresponding to the brick set with the highest score is set as the optimal starting point.
Based on the same inventive concept, fig. 13 is a schematic structural view illustrating a continuous straight paving scheme generating apparatus 1300 for room floor tiles according to an embodiment of the present invention. As shown, the apparatus 1300 for generating a continuous straight paving scheme for room floor tiles according to the present invention includes: a candidate starting point set generation module 1301, which determines a line segment corresponding to each wall surface of the room, generates a plurality of candidate starting points from each line segment, and combines all candidate starting points to form a candidate starting point set; a brick set generating module 1302, configured to traverse the candidate starting point sets and generate a plurality of brick sets corresponding to each candidate starting point; an evaluation index value calculation module 1303, which determines a plurality of evaluation indexes for evaluating the brick sets and calculates the values of the evaluation indexes of each brick set; an optimal starting point generation module 1304, which generates an optimal starting point of the room according to the calculated evaluation index values of each brick set by combining the priorities or weights of the evaluation indexes; and a plan creation module 1305 that generates a continuous straight paving plan for the room tiles from the optimal starting points.
According to an embodiment of the present invention, the various modules included in the apparatus 1300 can implement all the steps of the method for generating a continuous straight-paving scheme for room floor tiles described herein, including but not limited to all the steps described above with reference to fig. 4, 11 and 12.
It will be appreciated that the configuration shown in fig. 13 is merely illustrative and that the apparatus may also include more or fewer modules or components than shown in fig. 13 or have a different configuration than shown in fig. 13.
It should be noted that the generation method for determining the continuous straight paving scheme of the floor tiles of the room in the above embodiment can be applied to any room of any house type, and the continuous straight paving scheme of the floor tiles optimized based on multiple factors of the regularity, the economy and the construction operability of the whole floor tiles can be obtained.
In addition, the present invention further provides a computer device, which according to an embodiment of the present invention may include a memory, a processor, and a computer program stored in the memory and running on the processor, and when the processor executes the computer program, the steps of the method for generating a continuous straight paving scheme for room floor tiles described in the present specification may be implemented.
Furthermore, the present invention also provides a computer-readable medium, which may be contained in the apparatus described in the above embodiments; or may be present separately and not assembled into the device. The computer readable medium carries one or more programs which, when executed by the apparatus, cause the apparatus to perform the steps of the method for generating a continuous straight paving scheme for room floor tiles described herein.
Furthermore, the present invention provides a computer program product comprising computer instructions, which when executed by a processor, can implement the steps of the method for generating a continuous straight paving scheme for room floor tiles described in the present specification.
In particular, the embodiment processes described above with reference to the flowcharts in the figures may be implemented as computer software programs. For example, embodiments disclosed herein include a computer program product comprising a computer program embodied on a computer readable medium, the computer program containing program code for executing the methods illustrated in the flowcharts of the figures, when the computer program is executed by a processor, the method for generating a continuous straight paving scheme of room tiles according to the present invention is executed.
It should be noted that the computer readable medium described in the present specification can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: a computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), a flash memory, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. Each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units or modules involved in the embodiments of the present invention may be implemented by software, or may be implemented by hardware. The above units or modules may also be provided in the processor, and may be described as: a processor comprises a candidate spread point set generation module, a brick set generation module, an evaluation index value calculation module, an optimal spread point generation module, a scheme creation module and the like. The names of these units or modules do not in some cases constitute a limitation of the unit or module itself.
All documents mentioned in this specification are herein incorporated in their entirety by reference into the specification, to the same extent as if each document were incorporated in its entirety into the specification.
Furthermore, it should be understood that various changes or modifications can be made by those skilled in the art after reading the above description of the present invention, and such equivalents also fall within the scope of the present invention.
Claims (10)
1. A method for generating a continuous straight paving scheme of floor tiles for a room is characterized by comprising the following steps of:
(1) determining a line segment corresponding to at least one wall surface in a room, generating candidate paving starting points by the line segment, and collecting all the candidate paving starting points to form a candidate paving starting point set;
(2) traversing the candidate paving starting point set to generate a brick set corresponding to the candidate paving starting points one by one;
(3) determining multiple evaluation indexes for evaluating the brick sets, and calculating the value of each evaluation index of each brick set;
(4) generating an optimal starting and laying point of the room according to the various evaluation index values of each brick set obtained through calculation and by combining the comprehensive indexes of the evaluation indexes;
(5) and creating a continuous straight paving scheme of the floor tiles of the room by the optimal paving starting points.
2. A method for generating a continuous straight paving scheme for room floor tiles according to claim 1, wherein the candidate paving points in step (1) are generated by:
and calculating a starting point, a middle point and an end point of the line segment corresponding to the at least one wall surface, and stepping a set value along a direction which is perpendicular to the line segment corresponding to the at least one wall surface and points into the room on the basis of the starting point, the middle point and the end point respectively to obtain candidate paving points of the line segment corresponding to the at least one wall surface.
3. A method for generating a continuous straight paving scheme for floor tiles for rooms as claimed in claim 1, wherein when a room includes a 270 ° external corner formed by a first wall surface and a second wall surface, the set of candidate paving points for the corresponding line segments of the first wall surface and the second wall surface is generated by:
determining candidate paving points on a straight line where the corresponding line segment of the first wall surface is located, wherein the distance between each candidate paving point and the corresponding line segment of the wall surface parallel to the second wall surface in the room is equal to the integral multiple of the length of the brick length plus the brick joint or the length of the brick width plus the brick joint, and integrating all the candidate paving points to form a candidate paving point set of the corresponding line segment of the first wall surface;
and determining candidate paving points on a straight line where the corresponding line segment of the second wall surface is located, wherein the distance between each candidate paving point and the corresponding line segment of the wall surface parallel to the first wall surface in the room is equal to the integral multiple of the length of the brick length plus the brick joint or the length of the brick width plus the brick joint, and integrating all the candidate paving points to form a candidate paving point set of the corresponding line segment of the second wall surface.
4. A method for generating a continuous straight paving scheme for room floor tiles according to claim 1, wherein the set of tiles in the step (2) is generated by:
respectively stepping the brick length and the brick seam length or the brick width and the brick seam length in a straight paving mode from the candidate paving starting point, and continuously stepping the brick length and the brick seam length in sequence until the brick reaches the boundary of the room ground paving space;
and the whole brick rectangular shape and the residual brick geometric shape generated in the stepping process jointly form a brick set corresponding to the candidate paving starting point.
5. A method for generating a continuous straight paving scheme for room floor tiles according to claim 1, wherein the plurality of evaluation indexes in the step (3) comprise regularity indexes, floor tile loss rates and construction operability indexes, wherein:
the regularity index comprises one or more of the whole brick number, the whole brick number of the wall and floor tiles of the entrance door, the whole brick degree sum of the wall and floor tiles of the entrance door, the whole brick number of the wall and floor tiles of the near entrance door, the whole brick degree sum of the wall and floor tiles of the near entrance door, and the whole brick degree sum of the floor tiles, wherein the calculation formula of the whole brick degree is as follows:
wherein,
s represents the actual area value of the geometric shape of the laid floor tile, S0Represents the area value of the whole brick;
the floor tile loss rate calculation formula is as follows:
floor tile loss rate is calculated floor tile number multiplied by whole tile area/room area-1
Wherein the calculated number of the floor tiles is the calculated number of the whole floor tiles which are actually purchased for paving the floor tiles of the room;
the construction operability index comprises a minimum value of a narrow edge of a rectangular residual brick and an external corner non-rectangular brick value, and the calculation formula of the external corner non-rectangular brick value is as follows:
wherein, all the external corners are sorted in ascending order according to the distance from the entrance door to the room, the serial number i of each external corner is obtained, n is the number of the external corners in the room, wiIs the weight of the ith external corner, wi＝1/10i，miThe number of non-rectangular tiles at the ith external corner.
6. The method for generating a continuous straight paving scheme for room floor tiles according to claim 5, wherein in the step (4):
and generating an optimal starting point by combining the priority of each evaluation index in the following way: according to the sequence of the priority of each evaluation index from high to low, the evaluation index values of each brick set are sorted one by one according to the evaluation index, the brick set with the highest evaluation index value is filtered and screened to form a candidate brick set, the candidate brick set obtained by filtering and screening the previous evaluation index is used as the object of filtering and screening the next evaluation index, the filtering and screening operations are repeated until only one brick set is contained in the candidate brick set, and the candidate paving starting point corresponding to the brick set is used as the optimal paving starting point; if the candidate brick sets obtained finally contain more than one brick set after being sequentially filtered and screened according to the evaluation indexes, randomly selecting a candidate paving point corresponding to one of the brick sets as an optimal paving point; or
And generating an optimal paving point by combining the weights of the evaluation indexes in the following way: and calculating the score of each brick set according to the weight value of each evaluation index and each calculated evaluation index value, and taking the candidate paving point corresponding to the brick set with the highest score as the optimal paving point.
7. A method for generating a continuous and straight paving scheme of floor tiles of a multi-room house is characterized by comprising the following steps of:
the entry door for each room is determined by: marking a house entrance door as a level 1 door, marking a room entering the entrance door as a level 1 room, traversing all unmarked doors of a k-th room leading to other adjacent rooms, marking as a k + 1-th door, marking all unmarked rooms entering the k + 1-th door as a k + 1-th room, and repeatedly executing the traversing operation until no unmarked door of the room entering the k + 1-th door leads to other adjacent rooms, wherein k is a positive integer; taking the door with the highest level in each room as an entrance door of the room;
the method of generating a continuous straight paving scheme of room floor tiles according to claim 5 or 6 is performed to generate a continuous straight paving scheme of floor tiles for each room.
8. An apparatus for creating a continuous, straight-laid solution for floor tiles in a room, comprising:
the candidate starting point set generating module is configured to determine a line segment corresponding to at least one wall surface in a room, generate candidate starting points from the line segment, and combine all the candidate starting points to form a candidate starting point set;
a brick set generating module configured to traverse the candidate spread point set and generate a brick set corresponding to the candidate spread points one to one;
an evaluation index value calculation module configured to determine a plurality of evaluation indexes for evaluating the brick sets and calculate a value of each evaluation index of each brick set;
the optimal starting point generating module is configured to generate an optimal starting point of the room according to the calculated evaluation index values of each brick set and by combining the comprehensive indexes of the evaluation indexes;
a plan creation module configured to create a continuous straight-lay plan of room tiles from the optimal starting points.
9. A computer device, comprising:
a processor;
a storage device; and
computer program stored on the storage means and executable on the processor, characterized in that the steps of the method according to any of claims 1-6 or 7 are implemented when the computer program is executed by the processor.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1-6 or 7.
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