CN114722447A - Method, device, equipment and storage medium for displaying shoe model through multi-finger touch - Google Patents
Method, device, equipment and storage medium for displaying shoe model through multi-finger touch Download PDFInfo
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- CN114722447A CN114722447A CN202210643322.2A CN202210643322A CN114722447A CN 114722447 A CN114722447 A CN 114722447A CN 202210643322 A CN202210643322 A CN 202210643322A CN 114722447 A CN114722447 A CN 114722447A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/12—Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
Abstract
The application discloses a method, a device, equipment and a storage medium for displaying a shoe model through multi-finger touch. According to the method and the device, the stretching operation or the bending operation of the shoe model is triggered through the multi-finger touch instruction, and the stretching part or the bending part of the shoe model is determined according to the initial touch position of the multi-finger touch instruction. The stretching operation is carried out on the stretching part of the shoe model, so that the shoe model is correspondingly stretched and deformed, the shoe model after the stretching deformation is displayed in the display interface, and the dynamic property of the shoe model under the action of external stretching force is displayed. The bending operation is carried out on the bending part of the shoe model, so that the shoe model generates corresponding bending deformation, the shoe model after the bending deformation is displayed in the display interface, the dynamic property of the shoe model under the action of external bending force is displayed, the problem that the dynamic property of the shoe model cannot be displayed through the shoe type in the prior art is solved, and the display function of shoe design software is enriched.
Description
Technical Field
The application relates to the technical field of shoe production, in particular to a method, a device, equipment and a storage medium for displaying a shoe model through multi-finger touch.
Background
Shoe designers design shoe models through some shoe design software, and the shoe models in the shoe design software are displayed on a design page with a 2D or 3D effect. Shoe designers may use shoe design software to sequentially design the components of the upper and sole, etc., and assemble these components into a model of the shoe. In the subsequent shoe production process, the solid shoe can be rapidly produced based on the complete shoe shape.
In the existing shoe design software, static design is mostly carried out on the materials, shapes and color matching of all components, namely, a shoe model can only show the static properties of shoes, and the dynamic properties of the shoes under the action of external force are ignored. This results in the production of shoes that do not meet the design of designers, who need to reconsider the problems of the materials and shapes of shoes, and the design efficiency is low.
Disclosure of Invention
The application provides a method, a device, equipment and a storage medium for displaying a shoe model by multi-finger touch, solves the problem that the dynamic property of a shoe cannot be displayed through a shoe type in the prior art, enriches the display function of shoe design software, and improves the shoe type design efficiency.
In a first aspect, the application provides a method for displaying a shoe model by multi-finger touch, comprising:
detecting an input multi-finger touch instruction, and determining whether the touch operation performed on the shoe model is stretching operation or bending operation according to a touch track of the multi-finger touch instruction;
determining a stretching part of the shoe model corresponding to the stretching operation or determining a bending part of the shoe model corresponding to the bending operation according to a plurality of initial touch positions of the touch track;
determining the stretching deformation quantity of the stretching part according to the stretching operation and the material parameter of the corresponding stretching part, or determining the bending deformation quantity of the bending part according to the bending operation and the material parameter of the corresponding bending part;
determining a target shape parameter of the shoe model after corresponding deformation according to the stretching deformation quantity and the original shape parameter of the shoe model, or determining a target shape parameter of the shoe model after corresponding deformation according to the bending deformation quantity and the original shape parameter of the shoe model;
and displaying the shoe model after the corresponding deformation according to the target shape parameters.
Further, the performing a stretching operation or a bending operation on the shoe model according to the touch trajectory of the multi-finger touch instruction includes:
when the touch tracks are two tracks extending in the opposite directions, determining that the operation executed on the shoe model by the multi-finger touch instruction is a stretching operation;
and when the touch tracks are two tracks which are close to each other towards the extension direction, determining that the operation executed on the shoe model by the multi-finger touch instruction is a bending operation.
Further, the determining a stretching portion of the shoe model corresponding to the stretching operation or determining a bending portion of the shoe model corresponding to the bending operation according to the plurality of initial touch positions of the touch trajectory includes:
and comparing the initial touch positions with the positions of all parts of the shoe model in a display interface respectively, and determining that the part between the initial touch positions in the shoe model is the stretching part or the bending part.
Further, the stretching deformation quantity comprises a stretching amplitude and a stretching direction;
correspondingly, the determining the stretching deformation amount of the stretching part according to the stretching operation and the material parameter of the corresponding stretching part comprises:
determining an expected stretching amplitude of the stretching part according to the length of the touch track;
determining a stretching amplitude threshold of the stretching part according to the toughness parameter of the stretching part;
comparing the expected stretching amplitude with the stretching amplitude threshold value, and determining the stretching amplitude of the stretching part according to the comparison result;
and determining the stretching direction of the stretching part according to the extending direction of the touch track.
Further, the determining the stretching amplitude of the stretching part according to the comparison result includes:
determining the stretching amplitude threshold value as the stretching amplitude of the stretching part according to the comparison result that the expected stretching amplitude is larger than the stretching amplitude threshold value;
and determining the expected stretching amplitude as the stretching amplitude of the stretching part according to the comparison result that the expected stretching amplitude is less than or equal to the stretching amplitude threshold value.
Further, the bending deformation quantity comprises a bending amplitude and a bending direction;
correspondingly, the determining the bending deformation amount of the bending part according to the bending operation and the material parameter of the corresponding bending part comprises the following steps:
determining an expected bending amplitude of the bending part according to an initial touch position and an end touch position in the touch track;
determining a bending amplitude threshold value of the bending part according to the toughness parameter of the bending part;
comparing the expected bending amplitude with the bending amplitude threshold value, and determining the bending amplitude of the bending part according to the comparison result;
and determining the bending direction of the bending part according to the extending direction of the touch track.
Further, the determining the bending amplitude of the bending part according to the comparison result includes:
determining the bending amplitude threshold value as the bending amplitude of the bending part according to the comparison result that the expected bending amplitude is larger than the bending amplitude threshold value;
and determining the expected bending amplitude as the bending amplitude of the bending part according to the comparison result that the expected bending amplitude is smaller than or equal to the bending amplitude threshold value.
In a second aspect, the present application provides a multi-finger touch display shoe model device, comprising:
the touch operation determining module is configured to detect an input multi-finger touch instruction, and determine whether the touch operation performed on the shoe model is stretching operation or bending operation according to a touch track of the multi-finger touch instruction;
an operation part determining module configured to determine a stretching part of the shoe model corresponding to the stretching operation or determine a bending part of the shoe model corresponding to the bending operation according to a plurality of initial touch positions of the touch trajectory;
a deformation amount determining module configured to determine a stretching deformation amount of the stretching portion according to the stretching operation and material parameters of a corresponding stretching portion, or determine a bending deformation amount and a bending direction of the bending portion according to the bending operation and material parameters of a corresponding bending portion;
a shape parameter determination module configured to determine a target shape parameter of the shoe model after the shoe model is deformed correspondingly according to the stretching deformation amount and an original shape parameter of the shoe model, or determine a target shape parameter of the shoe model after the shoe model is deformed correspondingly according to the bending deformation amount and the original shape parameter of the shoe model;
and the model display module is configured to display the shoe model after the corresponding deformation according to the target shape parameters.
In a third aspect, the present application provides a multi-finger touch display shoe model device, comprising:
one or more processors; a storage device storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the multi-touch display shoe model method of the first aspect.
In a fourth aspect, the present application provides a storage medium containing computer-executable instructions for performing the method of multi-finger touch presenting a shoe model according to the first aspect when executed by a computer processor.
According to the method and the device, the stretching operation or the bending operation of the shoe model is triggered through the multi-finger touch instruction, and the stretching part or the bending part of the shoe model is determined according to the initial touch position of the multi-finger touch instruction. The stretching operation is carried out on the stretching part of the shoe model, so that the shoe model is correspondingly stretched and deformed, the shoe model after the stretching deformation is displayed in the display interface, and the dynamic property of the shoe model under the action of external stretching force is displayed. Carry out bending operation to the crooked position of shoes model to make the shoes model take place the bending deformation that corresponds, and will take place the shoes model after the bending deformation and demonstrate in the show interface, demonstrate the dynamic attribute of externally under the bending force effect to the shoes model. Through above-mentioned technical means, through carrying out the shoes model after tensile operation and the bending operation, demonstrate the dynamic attribute of shoes model under the effect of outside tensile force and outside bending force, richened the show function of shoes model among the shoes design software, the designer of being convenient for adjusts the material and the shape of shoes model according to the shape of the shoes model under the effect of external force, improves shoes design efficiency.
Drawings
Fig. 1 is a flowchart of a method for displaying a shoe model by multi-finger touch according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a stretching operation performed on a footwear model according to an embodiment of the present application;
FIG. 3 is a schematic view of a bending operation performed on a footwear form according to an embodiment of the present application;
FIG. 4 is a schematic view of a shoe model provided in an embodiment of the present application after being subjected to tensile deformation;
FIG. 5 is a flow chart for determining the actual stretching deformation of a stretching region according to an embodiment of the present application;
FIG. 6 is a schematic view of a footwear form provided in accordance with an embodiment of the present application after undergoing a bending deformation;
FIG. 7 is a flow chart for determining an actual amount of bending deflection at a bend region provided by an embodiment of the present application;
fig. 8 is a schematic structural diagram of a multi-finger touch display shoe model device according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a multi-finger touch display shoe model device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present application are shown in the drawings. Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The multi-finger touch display shoe model method provided in this embodiment may be executed by a multi-finger touch display shoe model device, the multi-finger touch display shoe model device may be implemented in a software and/or hardware manner, and the multi-finger touch display shoe model device may be formed by two or more physical entities or may be formed by one physical entity. For example, the multi-finger touch display shoe model device may be a computer with shoe design software installed therein, or may be a processor of the computer.
The multi-finger touch display shoe model device is provided with at least one type of operating system, and at least one application program can be installed on the multi-finger touch display shoe model device based on the operating system, wherein the application program can be an application program carried by the operating system or an application program downloaded from a third-party device or a server. In this embodiment, the multi-finger touch display shoe model device is at least installed with an application program capable of executing the multi-finger touch display shoe model method, and therefore, the multi-finger touch display shoe model device may also be the application program itself, for example, the multi-finger touch display shoe model device may also be shoe design software.
For convenience of understanding, the present embodiment takes the shoe design software as an example of a main body for executing the multi-finger touch display method of the shoe model.
In one embodiment, the shoe model in the existing shoe design software can only show the static properties of the shoe, but neglects the dynamic properties of the shoe under the external force. This results in the production of shoes that do not meet the design of designers, who need to reconsider the problems of the materials and shapes of shoes, and the design efficiency is low.
In order to solve the above problems, the present embodiment provides a method for displaying a shoe model by multi-touch to complement the function of shoe design software for displaying dynamic properties of the shoe model.
Fig. 1 is a flowchart illustrating a method for displaying a shoe model by multi-touch according to an embodiment of the present application. Referring to fig. 1, the method for displaying a shoe model by multi-finger touch specifically includes:
s110, detecting an input multi-finger touch instruction, and determining whether the touch operation performed on the shoe model is stretching operation or bending operation according to a touch track of the multi-finger touch instruction.
Wherein, the shoe model is the three-dimensional model of the shoes that the designer designed through shoes design software, and when the designer designed the three-dimensional model of shoes, the shape that can design shoes and select the material of shoes, and then obtained the shoes model. It can be understood that when the shoes are made of different materials, the shoes can deform differently under the same external force. The material to this shoes can be seen as the dynamic property of shoes submodule, and the shoes model that deformation takes place under the exogenic action is through the show to this embodiment to show that the shoes material takes place the influence of deformation to the shoes model, realized the show to the dynamic property of shoes.
In this embodiment, the multi-finger touch instruction is an instruction for triggering the shoe design software to display a shoe model deformed under an external force. For example, when a designer uses multiple fingers to perform a touch operation on a shoe model in a display interface of shoe design software, the shoe design software detects a multi-finger touch instruction triggered by the touch operation. The touch operation provided by the embodiment includes a stretching operation and a bending operation, wherein the stretching operation is understood as that a designer stretches the shoe model through multiple fingers, and the bending operation is understood as that the designer bends the shoe model through multiple fingers. When the shoe model is stretched, the shoe model is correspondingly deformed under the action of external stretching force; when the shoe model is bent, the shoe model is correspondingly deformed under the action of external bending force. Therefore, the shoe model deformed by the external force can be displayed through the stretching operation and the bending operation.
In this embodiment, the designer inputs different touch motions when performing the stretching operation and the bending operation on the shoe model, and the shoe design software generates a corresponding touch trajectory according to the touch motion input by the designer and stores the touch trajectory in the multi-finger touch instruction. Therefore, according to the touch track in the multi-finger touch instruction, whether the touch operation currently performed on the shoe model by the designer is a stretching operation or a bending operation can be determined.
In one embodiment, fig. 2 is a schematic diagram of a stretching operation performed on a footwear model according to an embodiment of the present application. As shown in fig. 2, assuming that the designer wants to stretch the toe part 14 of the shoe model 13 in the display interface 12 left and right, the designer touches the left end and the right end of the toe part with two fingers 11 respectively, and slides the two fingers left and right respectively, and the shoe design software correspondingly generates a left-extended track and a right-extended track. Therefore, in this embodiment, when the touch tracks are two oppositely extended tracks, the operation performed on the shoe model by the multi-finger touch instruction may be determined to be a stretching operation.
In one embodiment, fig. 3 is a schematic view of a bending operation performed on a footwear model according to an embodiment of the present application. As shown in fig. 3, assuming that the designer wants to bend the two ends of the sole portion 15 of the shoe model 13 in the display interface 12 downward relative to the middle portion, the designer touches the left end and the right end of the sole portion with the two fingers 11 respectively, and slides the two fingers downward and leftward respectively, and the shoe design software correspondingly generates a trajectory extending downward and leftward and a trajectory extending downward and rightward, and the two trajectories approach each other in the extending direction. Therefore, in this embodiment, when the touch tracks are two tracks that are close to each other in the extending direction, it may be determined that the operation performed on the shoe model by the multi-finger touch instruction is a bending operation.
And S120, determining a stretching part of the shoe model corresponding to the stretching operation or determining a bending part of the shoe model corresponding to the bending operation according to the initial touch positions of the touch track.
The initial touch position refers to a position where a finger starts to touch when a designer performs stretching operation or bending operation on the shoe model, that is, a pixel coordinate of a first track point of the touch track in the display interface.
In this embodiment, the initial touch positions are compared with the positions of the parts of the shoe model in the display interface, and the parts of the shoe model between the initial touch positions are determined to be stretching parts or bending parts. The stretching part can be understood as a part of the shoe model which is subjected to stretching force to generate stretching deformation, and the bending part can be understood as a part of the shoe model which is subjected to bending force to generate bending deformation. Referring to fig. 2 and 3, regardless of whether the current designer performs a stretching operation or a bending operation on the shoe model, a portion of the shoe model that is deformed by an external force is selected through a position where a finger initially touches. The present embodiment is described by taking the determination of the bending portion in fig. 3 as an example. The designer touches the left end and the right end of the sole part with two fingers respectively, and the shoe design software determines the initial touch positions of the two fingers to be (x1, y 1) and (x 2, y 2). Comparing (x1, y 1) and (x 2, y2) with the pixel coordinates of each part of the shoe model in the display interface respectively, determining that (x1, y 1) corresponds to the left end of the sole and (x 2, y2) corresponds to the right end of the sole, and taking the whole sole as the bending part of the current bending operation.
S130, determining the stretching deformation quantity of the stretching part according to the stretching operation and the material parameter of the corresponding stretching part, or determining the bending deformation quantity of the bending part according to the bending operation and the material parameter of the corresponding bending part.
For example, the shoe model may deform under the action of an external force, and the deformation amount may be determined according to the external force and the elastic parameters of the shoe model. Although the present embodiment simulates a scenario in which the shoe model receives an external tensile force and an external bending force, the deformation amount of the shoe model is determined not by the magnitude of the external force but by the touch trajectory in the stretching operation and the bending operation. After the shoe model is subjected to stretching operation or bending operation, the shoe model is correspondingly deformed, so that the part, located at the initial touch position, in the shoe model is transferred to the end touch position of the touch track. The ending touch position refers to a position that a finger finally touches after a designer slides the finger, namely a pixel coordinate of a last track point in the touch track in the display interface.
In one embodiment, fig. 4 is a schematic view of a shoe model provided in the present application after being subjected to tensile deformation. As shown in FIG. 4, after the designer has stretched the toe region 14 of FIG. 2, the toe region undergoes the stretch deformation of FIG. 4. In fig. 2, the two ends of the toe part are moved to the positions of the fingers in fig. 4 along the sliding direction of the fingers, so that the left end and the right end of the toe part are respectively stretched towards the left side and the right side, and therefore, the stretching deformation amount of the toe part is the sliding direction and the sliding distance of the fingers. The sliding direction and the sliding distance of the fingers correspondingly generate a touch track, so that the stretching deformation amount of the shoe head part can be determined according to the touch track. However, the stretching operation is limited by the material of the toe part, and the toe part cannot be stretched infinitely, so the present embodiment determines the actual stretching deformation amount of the stretching part under the stretching operation based on the material parameters of the stretching part and the touch trajectory.
In this embodiment, the amount of stretching deformation includes a stretching magnitude, which can be understood as the magnitude of the amount of stretching deformation, and a stretching direction, which is the direction of the amount of stretching deformation, that is, the amount of stretching deformation is a vector. Fig. 5 is a flowchart for determining an actual stretching deformation amount of a stretching portion according to an embodiment of the present application. As shown in fig. 5, the step of determining the actual stretching deformation amount of the stretching portion specifically includes S1301-S1304:
s1301, determining the expected stretching amplitude of the stretching part according to the length of the touch track.
The desired stretching width is understood to be the amount of stretching deformation of the stretching portion that the designer wants to deform. Referring to fig. 2, the lengths of the two oppositely extended tracks are added to obtain the length of the touch track, and the length of the touch track is used as the expected stretching width of the corresponding stretching portion.
And S1302, determining a stretching width threshold of the stretching part according to the toughness parameter of the stretching part.
When the stretching force borne by the stretching part exceeds the range limited by the toughness parameter of the material, the stretching part is subjected to plastic deformation and cannot be changed into the original shape, so that the embodiment limits the stretching part to only be subjected to elastic deformation through the toughness parameter of the stretching part. In this embodiment, a threshold value of the stretching range may be understood as the maximum amount of stretching deformation of the elastic deformation, indicating that the stretching region is plastically deformed when the stretching range of the stretching region exceeds the threshold value of the stretching range, and conversely, indicating that the stretching region is elastically deformed when the stretching range of the stretching region does not exceed the threshold value of the stretching range.
And S1303, comparing the expected stretching amplitude with a stretching amplitude threshold value, and determining the stretching amplitude of the stretching part according to the comparison result.
In this embodiment, the stretching width threshold is determined to be the stretching width of the stretching portion according to the comparison result that the desired stretching width is larger than the stretching width threshold. Illustratively, to limit the stretching region to elastic deformation only, when the expected stretching width is larger than the threshold value of the stretching width, the threshold value of the stretching width is taken as the magnitude of the actual stretching deformation.
Conversely, the desired stretch width is determined to be the stretch width of the stretch region based on a comparison of the desired stretch width being less than or equal to the stretch width threshold. For example, when a deformation corresponding to a desired stretching width occurs in the stretching portion, the stretching portion is elastically deformed, and thus the desired stretching width is used as the magnitude of the actual stretching deformation amount.
And S1304, determining the stretching direction of the stretching part according to the extending direction of the touch track.
Referring to fig. 2, the two tracks extend leftwards and rightwards, respectively, so that the toe portion is stretched leftwards and rightwards at the left end and right end, respectively.
In one embodiment, fig. 6 is a schematic view of a shoe model provided by an embodiment of the present application after being deformed by bending. As shown in fig. 6, after the designer bends the sole portion 15 of fig. 3, the sole portion undergoes the bending deformation shown in fig. 6. In fig. 3, the two ends of the sole portion are moved along the sliding direction of the finger to the position of the finger in fig. 6, so that the left end and the right end of the sole portion are bent downward relative to the middle portion. An included angle alpha is formed among the left end, the middle part and the right end of the sole part, the supplementary angle of the included angle alpha is the size of the bending deformation quantity, and the orientation of the included angle is the direction of the bending deformation quantity. Because the positions of the left end, the middle part and the right end can be determined by the touch tracks, the bending deformation amount of the sole part can be determined according to the touch tracks. Similarly, the bending operation is limited by the material of the sole portion, and the sole portion cannot be bent infinitely, so that the actual bending deformation amount of the bending portion under the bending operation is determined based on the material parameter of the bending portion and the touch trajectory.
In this embodiment, the amount of bending deformation includes a magnitude of bending, which can be understood as the magnitude of the amount of bending deformation, and a direction of bending, which is the direction of the amount of bending deformation, i.e., the amount of bending deformation is a vector. Fig. 7 is a flowchart of determining an actual bending deformation amount of a bending portion according to an embodiment of the present application. As shown in fig. 7, the step of determining the actual bending deformation amount of the bending portion specifically includes S1305-S1308:
s1305, determining the expected bending amplitude of the bending part according to the initial touch position and the end touch position in the touch track.
The desired bending amplitude is understood to be the amount of bending deformation that the designer wants the bending portion to deform.
It should be noted that, when the bending operation is performed on the bending portion, the pixel coordinate of the middle portion of the bending portion does not change, so that the pixel coordinate of the middle portion of the bending portion can be determined according to the initial touch positions of the two fingers. For example, in fig. 3, the initial touch positions of the two fingers are (x1, y 1) and (x 2, y2), and the pixel coordinates of the middle portion of the sole portion are [ (x1+ x2)/2, (y1+ y2)/2 ]. An initial touch position corresponds to an end touch position, and assuming that the end touch position (x 3, y 3) corresponds to the initial touch position (x1, y 1), the end touch position (x 4, y 4) corresponds to the initial touch position (x 2, y2), that is, the end touch position (x 3, y 3) and the end touch position (x 4, y 4) correspond to the left end and the right end of the sole in fig. 4, respectively. The size of the supplementary angle of the included angle alpha in the figure 4 can be determined according to (x 3, y 3), (x 4, y 4) and [ (x1+ x2)/2, (y1+ y2)/2], namely the expected bending amplitude of the sole part is obtained.
And S1306, determining a bending amplitude threshold value of the bending part according to the toughness parameter of the bending part.
When the bending force borne by the bending part exceeds the range limited by the toughness parameter of the material, the bending part is plastically deformed and cannot change to the original shape, so that the embodiment limits only elastic deformation of the bending part through the toughness parameter of the bending part. In this embodiment, the threshold bending amplitude may be understood as the maximum amount of bending deformation of the elastic deformation, indicating that the bending portion is plastically deformed when the bending amplitude of the bending portion exceeds the threshold bending amplitude, and conversely, indicating that the bending portion is elastically deformed when the bending amplitude of the bending portion does not exceed the threshold bending amplitude.
S1307, the expected bending amplitude is compared with the threshold value of the bending amplitude, and the bending amplitude of the bending portion is determined according to the comparison result.
In this embodiment, the bend amplitude threshold is determined to be the bend amplitude of the bend region based on the comparison that the desired bend amplitude is greater than the bend amplitude threshold. Illustratively, to limit the bending portion to only elastic deformation, when the expected bending amplitude is larger than the threshold value of the bending amplitude, the threshold value of the bending amplitude is taken as the magnitude of the actual bending deformation.
Conversely, based on the comparison that the desired magnitude of bending is less than or equal to the threshold magnitude of bending, the desired magnitude of bending is determined to be the magnitude of bending of the bending region. Illustratively, when a bending portion is deformed according to a desired bending width, the bending portion is elastically deformed, and thus the desired bending width is taken as the magnitude of the actual bending deformation amount.
And S1308, determining the bending direction of the bending part according to the extending direction of the touch track.
Referring to fig. 3, the extending directions of the two trajectories are respectively left-down and right-down, and the bending direction of the sole portion is determined such that both ends are bent downward with respect to the middle portion.
In one embodiment, the external stretching force applied to the stretching portion can be calculated according to the stretching amplitude and the elastic parameter corresponding to the stretching portion, and the value of the stretching force can be displayed through the floating window. Similarly, the external bending force applied to the bending part can be calculated according to the bending amplitude and the elastic parameters corresponding to the bending part, and the value of the tensile force is displayed through the floating window. Show the external force that the shoes model received through floating window to the designer more deeply understands the dynamic property of each shoes model than the external force that a plurality of shoes models received.
S140, determining the target shape parameter of the shoe model after the corresponding deformation according to the stretching deformation amount and the original shape parameter of the shoe model, or determining the target shape parameter of the shoe model after the corresponding deformation according to the bending deformation amount and the original shape parameter of the shoe model.
The original shape parameter refers to a shape parameter of the shoe model when no deformation occurs, and the shape parameter corresponding to the shoe model in fig. 2 and 3 is the original shape parameter. The target shape parameter refers to a shape parameter of the shoe model after deformation, the parameter of the shoe model corresponding to the shape in fig. 4 is a target deformation parameter after corresponding stretching deformation, and the parameter of the shoe model corresponding to the shape in fig. 6 is a target deformation parameter after corresponding bending deformation.
In this embodiment, the shape parameters of the shoe model in fig. 2 are modified according to the magnitude and direction of the stretching deformation amount of the toe portion, so as to obtain the shape parameters of the shoe model in fig. 4 after stretching deformation. Similarly, the shape parameters of the shoe model in fig. 3 are corrected according to the magnitude and direction of the bending deformation amount of the sole portion, so as to obtain the shape parameters of the shoe model in fig. 6 after the bending deformation occurs.
And S150, displaying the shoe model after the corresponding deformation according to the target shape parameters.
For example, the shoe model in fig. 4 after being stretched and deformed can be displayed in a display interface according to the shape parameters of the shoe model in fig. 4. Similarly, the shoe model after bending deformation in fig. 6 can be displayed in the display interface according to the shape parameters of the shoe model in fig. 6.
In summary, according to the method for displaying the shoe model by multi-finger touch provided by the embodiment of the application, the stretching operation or the bending operation of the shoe model is triggered through the multi-finger touch instruction, and the stretching part or the bending part of the shoe model is determined according to the initial touch position of the multi-finger touch instruction. Stretch the operation to the tensile position of shoes model to make the shoes model take place the tensile deformation that corresponds, and will take place the shoes model after tensile deformation and demonstrate in the show interface, demonstrate the dynamic attribute of shoes model under the effect of outside tensile force. Bending operation is conducted on the bending part of the shoe model, so that the shoe model is correspondingly bent and deformed, the shoe model after being bent and deformed is displayed in a display interface, and the dynamic property of the shoe model under the action of external bending force is displayed. Through above-mentioned technical means, through carrying out the shoes model after tensile operation and the bending operation, demonstrate the dynamic attribute of shoes model under the effect of outside tensile force and outside bending force, richened the show function of shoes model among the shoes design software, the designer of being convenient for adjusts the material and the shape of shoes model according to the shape of the shoes model under the effect of external force, improves shoes design efficiency.
On the basis of the above embodiments, fig. 8 is a schematic structural diagram of a multi-finger touch display shoe model device according to an embodiment of the present application. Referring to fig. 8, the multi-finger touch display shoe model device provided in this embodiment specifically includes: a touch operation determination module 21, an operation part determination module 22, a deformation amount determination module 23, a shape parameter determination module 24, and a model display module 25.
The shoe model comprises a touch operation determining module, a control module and a control module, wherein the touch operation determining module is configured to detect an input multi-finger touch instruction and determine that the touch operation performed on the shoe model is stretching operation or bending operation according to a touch track of the multi-finger touch instruction;
an operation part determining module configured to determine a stretching part of the shoe model corresponding to the stretching operation or determine a bending part of the shoe model corresponding to the bending operation according to a plurality of initial touch positions of the touch trajectory;
a deformation amount determination module configured to determine a stretching deformation amount of the stretching portion according to the stretching operation and the material parameter of the corresponding stretching portion, or determine a bending deformation amount and a bending direction of the bending portion according to the bending operation and the material parameter of the corresponding bending portion;
the shape parameter determining module is configured to determine a target shape parameter of the shoe model after corresponding deformation according to the stretching deformation amount and the original shape parameter of the shoe model, or determine a target shape parameter of the shoe model after corresponding deformation according to the bending deformation amount and the original shape parameter of the shoe model;
and the model display module is configured to display the correspondingly deformed shoe model according to the target shape parameters.
On the basis of the above embodiment, the touch operation determination module includes: the stretching operation determining unit is configured to determine that the operation executed on the shoe model by the multi-finger touch instruction is stretching operation when the touch tracks are two tracks extending in the opposite directions; and the bending operation determining unit is configured to determine that the operation executed on the shoe model by the multi-finger touch instruction is a bending operation when the touch tracks are two tracks which are close to each other towards the extension direction.
On the basis of the above embodiment, the operation site determination module includes: and the operation part determining unit is configured to compare the plurality of initial touch positions with the positions of all parts of the shoe model in the display interface respectively, and determine that the parts between the initial touch positions in the shoe model are stretching parts or bending parts.
On the basis of the above embodiment, the amount of stretching deformation includes the stretching width and the stretching direction; accordingly, the deformation amount determination module includes: a desired stretching amplitude determination unit configured to determine a desired stretching amplitude of the stretching portion according to the length of the touch trajectory; a stretching amplitude threshold value determining unit configured to determine a stretching amplitude threshold value of the stretching part according to the toughness parameter of the stretching part; a stretching amplitude determining unit configured to compare the desired stretching amplitude with a stretching amplitude threshold value, and determine a stretching amplitude of the stretching part according to the comparison result; a stretching direction determination unit configured to determine a stretching direction of the stretching portion according to an extension direction of the touch trajectory.
On the basis of the above embodiment, the stretching-width determining unit includes: a first determining subunit configured to determine, according to a comparison result that the desired stretching amplitude is greater than the stretching amplitude threshold, that the stretching amplitude threshold is the stretching amplitude of the stretching portion; a second determining subunit configured to determine the desired stretching amplitude as a stretching amplitude of the stretching part according to a comparison result that the desired stretching amplitude is less than or equal to the stretching amplitude threshold.
On the basis of the above embodiment, the bending deformation amount includes the bending magnitude and the bending direction; accordingly, the deformation amount determination module includes: an expected bending amplitude determination unit configured to determine an expected bending amplitude of the bending portion according to the initial touch position and the end touch position in the touch trajectory; a bending amplitude threshold value determining unit configured to determine a bending amplitude threshold value of the bending part according to the toughness parameter of the bending part; a bending amplitude determination unit configured to compare the desired bending amplitude with a bending amplitude threshold value, and determine a bending amplitude of the bending portion according to the comparison result; a bending direction determination unit configured to determine a bending direction of the bending portion according to an extension direction of the touch trajectory.
On the basis of the above embodiment, the bending amplitude determining unit includes: a third determining subunit configured to determine, according to a comparison result that the desired bending amplitude is larger than the bending amplitude threshold value, the bending amplitude threshold value as the bending amplitude of the bending portion; a fourth determining subunit configured to determine the desired bending amplitude as the bending amplitude of the bending portion according to a comparison result that the desired bending amplitude is less than or equal to the bending amplitude threshold value.
In the above, according to the multi-finger touch display shoe model device provided in the embodiment of the present application, the stretching operation or the bending operation of the shoe model is triggered through the multi-finger touch instruction, and the stretching portion or the bending portion of the shoe model is determined according to the initial touch position of the multi-finger touch instruction. Stretch the operation to the tensile position of shoes model to make the shoes model take place the tensile deformation that corresponds, and will take place the shoes model after tensile deformation and demonstrate in the show interface, demonstrate the dynamic attribute of shoes model under the effect of outside tensile force. Bending operation is conducted on the bending part of the shoe model, so that the shoe model is correspondingly bent and deformed, the shoe model after being bent and deformed is displayed in a display interface, and the dynamic property of the shoe model under the action of external bending force is displayed. Through above-mentioned technical means, through carrying out the shoes model after tensile operation and the bending operation, demonstrate the dynamic attribute of shoes model under the effect of outside tensile force and outside bending force, richened the show function of shoes model among the shoes design software, the designer of being convenient for adjusts the material and the shape of shoes model according to the shape of the shoes model under the effect of external force, improves shoes design efficiency.
The multi-finger touch display shoe model device provided by the embodiment of the application can be used for executing the multi-finger touch display shoe model method provided by the embodiment, and has corresponding functions and beneficial effects.
Fig. 9 is a schematic structural diagram of a multi-finger touch display shoe model device according to an embodiment of the present application, and referring to fig. 9, the multi-finger touch display shoe model device includes: a processor 31, a memory 32, a communication device 33, an input device 34, and an output device 35. The number of the processors 31 in the multi-touch shoe model showing device can be one or more, and the number of the memories 32 in the multi-touch shoe model showing device can be one or more. The processor 31, the memory 32, the communication device 33, the input device 34 and the output device 35 of the multi-touch shoe model displaying device can be connected through a bus or other means.
The memory 32 is a computer readable storage medium, and can be used for storing software programs, computer executable programs, and modules, such as program instructions/modules corresponding to the multi-finger touch show shoe model method according to any embodiment of the present application (for example, the touch operation determination module 21, the operation portion determination module 22, the deformation amount determination module 23, the shape parameter determination module 24, and the model show module 25 in the multi-finger touch show shoe model device). The memory 32 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory 32 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory may further include memory located remotely from the processor, and these remote memories may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The communication device 33 is used for data transmission.
The processor 31 executes various functional applications and data processing of the device by running software programs, instructions and modules stored in the memory 32, so as to implement the above-mentioned method for displaying the shoe model by multi-finger touch.
The input device 34 may be used to receive entered numeric or character information and to generate key signal inputs relating to user settings and function controls of the apparatus. The output device 35 may include a display device such as a display screen.
The multi-finger touch shoe model showing equipment can be used for executing the multi-finger touch shoe model showing method provided by the embodiment, and has corresponding functions and beneficial effects.
Embodiments of the present application further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for multi-finger touch display of a shoe model, the method comprising: detecting an input multi-finger touch instruction, and determining that the touch operation performed on the shoe model is stretching operation or bending operation according to a touch track of the multi-finger touch instruction; determining a stretching part of the shoe model corresponding to stretching operation or determining a bending part of the shoe model corresponding to bending operation according to a plurality of initial touch positions of the touch track; determining the stretching deformation amount of the stretching part according to the stretching operation and the material parameter of the corresponding stretching part, or determining the bending deformation amount of the bending part according to the bending operation and the material parameter of the corresponding bending part; determining target shape parameters of the shoe model after corresponding deformation according to the stretching deformation quantity and the original shape parameters of the shoe model, or determining the target shape parameters of the shoe model after corresponding deformation according to the bending deformation quantity and the original shape parameters of the shoe model; and displaying the shoe model after the corresponding deformation according to the target shape parameters.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network (such as the internet). The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media residing in different locations, e.g., in different computer systems connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium containing the computer-executable instructions provided in the embodiments of the present application is not limited to the above method for displaying a shoe model by multi-touch, and may also perform related operations in the method for displaying a shoe model by multi-touch provided in any embodiments of the present application.
The multi-finger touch shoe model display device, the multi-finger touch shoe model display system, the storage medium and the multi-finger touch shoe model display device provided in the above embodiments may execute the multi-finger touch shoe model display method provided in any embodiment of the present application, and reference may be made to the multi-finger touch shoe model display method provided in any embodiment of the present application without detailed technical details described in the above embodiments.
The foregoing is considered as illustrative of the preferred embodiments of the invention and the technical principles employed. The present application is not limited to the particular embodiments described herein, and various obvious changes, adaptations and substitutions may be made by those skilled in the art without departing from the scope of the present application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the claims.
Claims (10)
1. A method for displaying a shoe model by multi-finger touch is characterized by comprising the following steps:
detecting an input multi-finger touch instruction, and determining that the touch operation performed on the shoe model is stretching operation or bending operation according to a touch track of the multi-finger touch instruction;
determining a stretching part of the shoe model corresponding to the stretching operation or determining a bending part of the shoe model corresponding to the bending operation according to a plurality of initial touch positions of the touch track;
determining the stretching deformation quantity of the stretching part according to the stretching operation and the material parameter of the corresponding stretching part, or determining the bending deformation quantity of the bending part according to the bending operation and the material parameter of the corresponding bending part;
determining a target shape parameter of the shoe model after corresponding deformation according to the stretching deformation quantity and the original shape parameter of the shoe model, or determining a target shape parameter of the shoe model after corresponding deformation according to the bending deformation quantity and the original shape parameter of the shoe model;
and displaying the shoe model after the corresponding deformation according to the target shape parameters.
2. The method for displaying the shoe model by multi-finger touch according to claim 1, wherein the touch operation performed on the shoe model according to the touch trajectory of the multi-finger touch instruction is a stretching operation or a bending operation, and comprises:
when the touch tracks are two tracks extending in the opposite directions, determining that the operation executed on the shoe model by the multi-finger touch instruction is a stretching operation;
and when the touch tracks are two tracks which are close to each other towards the extension direction, determining that the operation executed on the shoe model by the multi-finger touch instruction is a bending operation.
3. The method for displaying a shoe model through multi-finger touch according to claim 1, wherein the determining a stretching portion of the shoe model corresponding to the stretching operation or determining a bending portion of the shoe model corresponding to the bending operation according to a plurality of initial touch positions of the touch trajectory comprises:
and comparing the initial touch positions with the positions of all parts of the shoe model in a display interface respectively, and determining that the part between the initial touch positions in the shoe model is the stretching part or the bending part.
4. The method for displaying a shoe model by multi-finger touch according to claim 1, wherein the stretching deformation comprises a stretching amplitude and a stretching direction;
correspondingly, the determining the stretching deformation amount of the stretching part according to the stretching operation and the material parameters of the corresponding stretching part comprises the following steps:
determining an expected stretching amplitude of the stretching part according to the length of the touch track;
determining a stretching amplitude threshold of the stretching part according to the toughness parameter of the stretching part;
comparing the expected stretching amplitude with the stretching amplitude threshold value, and determining the stretching amplitude of the stretching part according to the comparison result;
and determining the stretching direction of the stretching part according to the extending direction of the touch track.
5. The method of claim 4, wherein the determining the stretching magnitude of the stretching portion according to the comparison result comprises:
determining the stretching amplitude threshold value as the stretching amplitude of the stretching part according to the comparison result that the expected stretching amplitude is larger than the stretching amplitude threshold value;
and determining the expected stretching amplitude as the stretching amplitude of the stretching part according to the comparison result that the expected stretching amplitude is less than or equal to the stretching amplitude threshold value.
6. The method of claim 1, wherein the bending deformation comprises a bending magnitude and a bending direction;
correspondingly, the determining the bending deformation quantity of the bending part according to the bending operation and the material parameter of the corresponding bending part comprises:
determining an expected bending amplitude of the bending part according to an initial touch position and an end touch position in the touch track;
determining a bending amplitude threshold value of the bending part according to the toughness parameter of the bending part;
comparing the expected bending amplitude with the bending amplitude threshold value, and determining the bending amplitude of the bending part according to the comparison result;
and determining the bending direction of the bending part according to the extending direction of the touch track.
7. The method of claim 6, wherein the determining the magnitude of the bending portion according to the comparison comprises:
according to the comparison result that the expected bending amplitude is larger than the bending amplitude threshold value, determining that the bending amplitude threshold value is the bending amplitude of the bending part;
and determining the expected bending amplitude as the bending amplitude of the bending part according to the comparison result that the expected bending amplitude is smaller than or equal to the bending amplitude threshold value.
8. The utility model provides a indicate touch-control show shoes model device more, its characterized in that includes:
the touch operation determination module is configured to detect an input multi-finger touch instruction, and determine that the touch operation performed on the shoe model is stretching operation or bending operation according to a touch track of the multi-finger touch instruction;
an operation part determining module configured to determine a stretching part of the shoe model corresponding to the stretching operation or determine a bending part of the shoe model corresponding to the bending operation according to a plurality of initial touch positions of the touch trajectory;
a deformation amount determining module configured to determine a stretching deformation amount of the stretching portion according to the stretching operation and a material parameter of a corresponding stretching portion, or determine a bending deformation amount and a bending direction of the bending portion according to the bending operation and a material parameter of a corresponding bending portion;
a shape parameter determination module configured to determine a target shape parameter of the shoe model after the shoe model is deformed correspondingly according to the stretching deformation amount and an original shape parameter of the shoe model, or determine a target shape parameter of the shoe model after the shoe model is deformed correspondingly according to the bending deformation amount and the original shape parameter of the shoe model;
and the model display module is configured to display the shoe model after the corresponding deformation according to the target shape parameters.
9. The utility model provides a indicate touch-control show shoes model equipment more which characterized in that includes: one or more processors; a storage device storing one or more programs that, when executed by the one or more processors, cause the one or more processors to implement the multi-touch display shoe model method of any of claims 1-7.
10. A storage medium containing computer-executable instructions, which when executed by a computer processor, perform the method of displaying a shoe model according to any one of claims 1-7.
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