CN110836963B - Method and device for measuring quality of emerald finished product - Google Patents
Method and device for measuring quality of emerald finished product Download PDFInfo
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- 241000579895 Chlorostilbon Species 0.000 title claims abstract description 112
- 239000010976 emerald Substances 0.000 title claims abstract description 112
- 229910052876 emerald Inorganic materials 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000010437 gem Substances 0.000 claims abstract description 279
- 229910001751 gemstone Inorganic materials 0.000 claims abstract description 276
- 238000005520 cutting process Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 239000004575 stone Substances 0.000 claims description 8
- 238000009795 derivation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 240000007817 Olea europaea Species 0.000 claims description 3
- 235000014443 Pyrus communis Nutrition 0.000 claims description 3
- 230000003362 replicative effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 18
- 238000005303 weighing Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 24
- 239000012467 final product Substances 0.000 description 7
- 238000004590 computer program Methods 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000611 regression analysis Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/389—Precious stones; Pearls
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Abstract
The invention discloses a method for measuring the quality of an emerald finished product, which comprises the following steps: receiving an emerald selected by a user and to be measured, and determining the shape of the emerald to be measured; if the gemstone to be measured is selected as a facet gemstone, describing and measuring the length, width and area of the orthographic projection of the front surface of the gemstone, and further calculating to obtain the mass of the gemstone, wherein the front surface of the gemstone is a set of all surfaces seen when the table surface of the gemstone is vertically observed; if the gemstone to be measured is selected as a plain gemstone, the length, width and area of the orthographic projection of the front surface of the gemstone are described and measured, and then the mass of the gemstone is calculated, wherein the front surface of the gemstone is the cambered surface of the gemstone. The method solves the limitation that the measurement of the quality of the emerald in the traditional technology only depends on a weighing tool, solves the problem that the inlaid emerald cannot be weighed, and has the advantages of wide application, easy use, high efficiency and flexibility. The invention also discloses a device for measuring the quality of the emerald finished product.
Description
Technical Field
The invention relates to the technical field of test and measurement, in particular to a method and a device for measuring the quality of an emerald finished product.
Background
In the prior art, the quality of an emerald finished product is measured by using weighing tools such as an electronic scale, and the measurement unit is carat or gram; or calculating the weight thereof by a volume method; or by estimating its quality empirically.
The defects of the traditional method for measuring the quality of the emerald are as follows: tools such as an electronic scale are needed, and the weighing tool is inconvenient to carry; the emerald that has been inlaid on jewelry cannot measure its specific quality; if only the quality is estimated, only experience can be relied on, and not all people have the estimation experience; if the mass is calculated by calculating the volume and combining the density of the substance, the data of the depth of the gem is necessary, and the real emerald finished product is out of the weight-keeping principle, the cut is not standard, and the depth of the gem cannot be accurately calculated even if the gem exists; finally, any method cannot realize the operation of measuring the quality of the emerald only by using daily used digital equipment.
Disclosure of Invention
Therefore, it is necessary to provide a method and a device for measuring the quality of emerald, which can solve the limitations of the application scenarios of measuring and calculating the quality of emerald in the conventional technology, effectively reduce the error of estimating the emerald, measure the quality of emerald by digital equipment, and have the advantages of wide application, easy use, high efficiency and flexibility.
In a first aspect, an embodiment of the present invention provides a method for measuring the quality of an emerald finished product, the method including: receiving an emerald gemstone to be measured selected by a user, and determining the shape of the gemstone to be measured; if the gemstone to be measured is selected as a facet gemstone, describing and measuring the length, width and area of the orthographic projection of the front surface of the gemstone, and further calculating to obtain the gemstone quality, wherein the outer surface of the facet gemstone mainly comprises a plurality of geometrical surfaces, the front surface of the gemstone is a set of all surfaces seen when the table of the gemstone is observed vertically, and the projection surface is parallel to the table of the gemstone; if the gemstone to be measured is selected as the plain-surface gemstone, the length, the width and the area of the orthographic projection of the front surface of the gemstone are described and measured, and then the quality of the gemstone is calculated, wherein the outer surface of the plain-surface gemstone mainly comprises a convex cambered surface and a relatively flat bottom surface, the front surface of the gemstone is the cambered surface of the gemstone, and the projection surface is parallel to the bottom surface of the gemstone.
In one embodiment, the shape of the orthographic projection of the front face of the gemstone comprises: round, drop-shaped, square; wherein, the round type means that the orthographic projection of the front surface of the gem is approximately in a perfect circle or an ellipse; the water drop type refers to that the orthographic projection of the front surface of the gem is approximately in a water drop shape or a horse eye shape, namely, the projection graph has one or two inner angles less than 180 degrees, generally, the gem with one inner angle is called in a water drop shape or a pear shape, and the gem with two symmetrical inner angles is called in an olive shape or a horse eye shape; the square type means that the orthographic projection of the front surface of the gem is approximately rectangular or square.
In one embodiment, if the gemstone to be measured is selected as a faceted gemstone and the shape of the gemstone to be measured is determined to be of the circular type, the drop type, or the square type, the length of the longest axis of symmetry of the orthographic projection of the front surface of the gemstone to be measured is set as gemstone length L, while on the orthographic projection of the front surface of the gemstone the maximum value of the diameter length perpendicular to this axis of symmetry is set as gemstone width W, wherein gemstone length and width are both measured in millimeters.
In one embodiment, if the gemstone to be measured is selected to be a plain gemstone and the shape of the gemstone to be measured is determined to be of the circular or drop type, the length of the longest axis of symmetry of the orthographic projection of the front face of the gemstone to be measured is set as gemstone length L, while on the orthographic projection of the front face of the gemstone, the maximum value of the diameter length perpendicular to this axis of symmetry is set as gemstone width W, wherein gemstone length and width are both measured in millimeters.
In one embodiment, the method further comprises the steps of copying an orthographic projection of the front face of the emerald gemstone according to the original value ratio 1 by using a digital device, namely a mobile phone, a tablet computer or a smart device with a liquid crystal display screen, so as to match the orthographic projection shape of the front face of the gemstone with a predefined shape of the gemstone, and conveniently measuring to obtain the orthographic projection area S of the front face of the gemstone, wherein the orthographic projection area S of the front face of the gemstone is measured in square millimeters.
In one embodiment, after the orthographic projection of the front face of the diamond of the facet diamond of the round type, the drop type or the square type is reproduced and displayed by a digital device, the length L, the width W and the area S of the orthographic projection of the front face of the diamond can be measured, and the mass M of the diamond can be calculated according to a formula M = sxwf, wherein the measurement unit of M is carat, f is a series constant developed according to the conventional facet emerald on the market, the derivation method of the f value is based on a cone volume formula and needs to be combined with the actual situation of cutting and processing of the emerald, and the digital device is a mobile phone, a tablet personal computer or an intelligent device with a liquid crystal display screen.
In one embodiment, after the circular or droplet-shaped plain gemstone is reproduced and displayed by a digital device, the gemstone length L, the gemstone width W, and the area S of the orthographic projection of the gemstone front can be obtained, and then the mass M of the gemstone is calculated according to the formula M = sxwf, wherein the M is measured in carat, f is a series constant independently developed according to the conventional plain emerald gemstone on the market, and the derivation method of the f value is based on the hemisphere volume formula and needs to be combined with the actual cutting and processing conditions of the emerald gemstone, wherein the digital device is a mobile phone, a tablet computer, or an intelligent device with a liquid crystal display screen.
In one embodiment, wherein the emerald to be measured comprises: the three-dimensional model comprises any one of a facet square type, a facet circular type, a facet drop type, a plain surface circular type and a plain surface drop type, wherein the facet square type comprises two shape types of an octagonal cutting shape and a pillow cutting shape, the facet drop type comprises two shape types of a facet drop type and a facet horse eye type, and the plain surface drop type comprises two shape types of a plain surface drop type and a plain surface horse eye type.
In one embodiment, the f values of emerald stones in different shapes and types are selected to be different; if the ratio of the width W to the length L of the emerald stones in the same shape and type is different, the selected f value may also be different; f value is at least required to be accurate to 7 bits behind the decimal point; although the f-value may be combined with other methods such as function, regression analysis, etc., and may be modified according to the origin and quality of emerald, and the actual circumstances of market production and cutting of emerald finished products, the f-value of emerald on the market at present may be listed as a constant as follows:
it is noted that emerald stones with an aspect ratio greater than 1 tend to be shaped stones and are not within the scope of the present invention.
In a second aspect, embodiments of the present invention provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of measuring the quality of an emerald gemstone of the first aspect described above.
In a third aspect, an embodiment of the present invention provides a computer program product containing instructions, which when run on a computer, causes the computer to perform the method according to the first aspect.
In a fourth aspect, embodiments of the present invention provide an apparatus for measuring an emerald, the apparatus comprising: the receiving module is used for receiving the emerald to be measured selected by the user; a shape determination module for determining the shape of the emerald to be measured; the first measurement module is used for describing and measuring the length, width and area of the orthographic projection of the front surface of the gem if the gem to be measured is selected as the facet gem, and further calculating to obtain the gem quality, wherein the outer surface of the facet gem mainly comprises a plurality of geometrical surfaces, the front surface of the gem is a set of all surfaces seen when the table surface of the gem is observed vertically, and the projection surface is parallel to the table surface of the gem; and if the selected gemstone to be measured is a plain gemstone, describing and measuring the length, width and area of the orthographic projection of the front surface of the gemstone, and further calculating to obtain the quality of the gemstone, wherein the outer surface of the plain gemstone mainly comprises a raised cambered surface and a relatively flat bottom surface, the front surface of the gemstone is the cambered surface of the gemstone, and the projection surface is parallel to the bottom surface of the gemstone.
The method and the device for measuring the quality of the emerald finished product receive the emerald selected by a user and determine the shape of the emerald; if the gemstone to be measured is selected as a facet gemstone, describing and measuring the length, width and area of the orthographic projection of the front surface of the gemstone, and further calculating to obtain the gemstone quality, wherein the outer surface of the facet gemstone mainly comprises a plurality of geometrical surfaces, the front surface of the gemstone is a set of all surfaces seen when the table of the gemstone is observed vertically, and the projection surface is parallel to the table of the gemstone; if the gemstone to be measured is selected as the plain-surface gemstone, the length, the width and the area of the orthographic projection of the front surface of the gemstone are described and measured, and then the quality of the gemstone is calculated, wherein the outer surface of the plain-surface gemstone mainly comprises a convex cambered surface and a relatively flat bottom surface, the front surface of the gemstone is the cambered surface of the gemstone, and the projection surface is parallel to the bottom surface of the gemstone. The method solves the limitation that the measurement of the quality of the emerald is only dependent on a weighing tool in the traditional technology, solves the problem that the embedded emerald cannot be weighed, finishes the measurement of the quality of the emerald finished product through digital equipment, and has the advantages of wide application, easy use, high efficiency and flexibility.
Drawings
FIG. 1 is a schematic flow chart of a method of measuring the quality of an emerald final product in accordance with one embodiment of the present invention;
FIG. 2 (a) (b) is a diagram illustrating an example of the application of a method of measuring the quality of an emerald final product in one embodiment of the invention; and
FIG. 3 is a schematic view showing the construction of an apparatus for measuring the quality of a finished emerald gemstone in one embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the method and apparatus for measuring the quality of the emerald final product of the present invention are described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a schematic flow chart of a method for measuring the quality of an emerald final product in one embodiment. The method specifically comprises the following steps:
In this embodiment, the orthographic projection shape of the emerald front face includes: round, drop-shaped, square. Wherein, the circular type means that the orthographic projection of the front surface of the gemstone is approximately a perfect circle or an ellipse; the water drop type refers to that the orthographic projection of the front surface of the gem is approximately in a water drop shape or a horse eye shape, namely, the projection graph has one or two inner angles less than 180 degrees, generally, the gem with one inner angle is called in a water drop shape or a pear shape, and the gem with two symmetrical inner angles is called in an olive shape or a horse eye shape; the square type means that the orthographic projection of the front face of the gem is approximately rectangular or square.
Further, in one embodiment, the front orthographic projection of the gemstone to be measured is matched to a predefined shape of the gemstone.
And 104, if the gemstone to be measured is selected as the facet gemstone, describing and measuring the length, width and area of the orthographic projection of the front surface of the gemstone, and further calculating to obtain the mass of the gemstone, wherein the front surface of the gemstone is a set of all surfaces seen when the table of the gemstone is observed vertically.
And 106, if the gemstone to be measured is selected to be a plain gemstone, describing and measuring the length, width and area of the orthographic projection of the front surface of the gemstone, and further calculating to obtain the quality of the gemstone, wherein the front surface of the gemstone is the cambered surface of the gemstone.
In the present embodiment, if the gemstone to be measured is selected as a facet gemstone and the shape of the gemstone to be measured is determined to be circular, drop, or square, the length of the longest axis of symmetry of the orthographic projection of the front surface of the gemstone to be measured is set as the gemstone length L, while the maximum value of the diameter length perpendicular to this axis of symmetry on the orthographic projection of the front surface of the gemstone is set as the gemstone width W, where the gemstone length and width are both measured in millimeters. The orthographic projection of the front face of the round facet gemstone, the water drop facet gemstone and the square facet gemstone can be copied and displayed by a digital device, the length L, the width W and the orthographic projection area S of the front face of the gemstone can be measured, and the mass M of the gemstone can be calculated according to a formula M = S multiplied by W multiplied by f, wherein the measuring unit of M is carat, f is a series constant developed according to the conventional facet emerald in the market, the derivation method of the f value is based on a cone volume formula and needs to be combined with the actual cutting and processing conditions of the emerald, and the digital device is a mobile phone, a tablet personal computer or an intelligent device with a liquid crystal display screen.
Further, if the gemstone to be measured is selected as a plain gemstone, and the shape of the gemstone to be measured is determined to be of the circular type or the drop type, the length of the longest symmetry axis of the orthographic projection of the front face of the gemstone to be measured is set as the gemstone length L, while on the orthographic projection of the front face of the gemstone, the maximum value of the diameter length perpendicular to this symmetry axis is set as the gemstone width W, wherein the gemstone length and width are both measured in millimeters. The orthographic projection of the front face of the gem of the circular or water-drop-shaped plain gem can be copied and displayed by digital equipment, the length L, the width W and the orthographic projection area S of the front face of the gem can be obtained, and the mass M of the gem is obtained by calculating according to a formula M = S multiplied by W multiplied by f, wherein the measuring unit of M is carat, f is a series constant which is independently developed according to the conventional plain emerald on the market, and the derivation method of the f value is based on a hemispheroid volume formula and needs to be combined with the actual conditions of cutting and processing of the emerald, wherein the digital equipment is a mobile phone, a tablet personal computer or intelligent equipment with a liquid crystal display screen.
It is to be noted that the f values selected for emerald stones of different shapes and varieties are different; if the ratio of the width W to the length L of the emerald stones in the same shape and type is different, the selected f value may also be different; the f value needs to be accurate to at least 7 bits after the decimal point.
It can be appreciated that the measurement result for the user is displayed in carat units, and can be stored in real time, so that the user can search as required, and the method has the convenience of searching. In addition, the result of the measurement completed by the user is uploaded to the server, the server is combined with the result of the measurement completed by the user according to other data such as the Clar brand price in the emerald gemstone market pre-stored in the database, and finally, other value-added services such as weight estimation and price estimation of the gemstone are completed by the digital equipment, so that the method has the expansibility of the invention.
The invention provides a method for measuring the quality of an emerald finished product, which receives an emerald to be measured selected by a user and determines the shape of the emerald to be measured; if the gemstone to be measured is selected as a facet gemstone, describing and measuring the length, width and area of the orthographic projection of the front surface of the gemstone, and further calculating to obtain the gemstone quality, wherein the outer surface of the facet gemstone mainly comprises a plurality of geometrical surfaces, the front surface of the gemstone is a set of all surfaces seen when the table of the gemstone is observed vertically, and the projection surface is parallel to the table of the gemstone; if the gemstone to be measured is selected as a plain gemstone, the length, the width and the area of the orthographic projection of the front surface of the gemstone are described and measured, and then the quality of the gemstone is calculated, wherein the outer surface of the plain gemstone mainly comprises a raised cambered surface and a relatively flat bottom surface, the front surface of the gemstone is the cambered surface of the gemstone, and the projection surface is parallel to the bottom surface of the gemstone. The method solves the limitation that the measurement of the quality of the emerald in the traditional technology only depends on a weighing tool, solves the problem that the inlaid emerald cannot be weighed, and has the advantages of wide application, easy use, high efficiency and flexibility.
In order to more clearly understand and apply the method for measuring the quality of the emerald finished product proposed by the present invention, the following example is carried out. It should be noted that the scope of the present invention is not limited to the following examples.
FIG. 2 (a) is a view showing an example of application of a method for measuring the quality of an emerald final product in one embodiment of the invention; fig. 2 (b) is a diagram showing an example of application of a method for measuring the quality of an emerald final product in another embodiment of the present invention. Fig. 2 (a) and 2 (b) are combined.
Specifically, it is determined whether the shape of the emerald to be measured is a plain face or a facet. Wherein the emerald to be measured comprises: the three-dimensional model comprises a facet square type, a facet circular type, a facet drop type, a plain surface circular type and a plain surface drop type, wherein the facet square type comprises two subclasses of octagonal cutting type and pillow cutting type, the facet circular type comprises one subclass of one shape of facet circle, the facet drop type comprises two subclasses of facet drop type and plain surface horse eye type, the plain surface circle comprises one subclass of shape of plain surface circle, and the plain surface drop type comprises two subclasses of shape of plain surface drop type and plain surface horse eye type; after a specific shape type is selected, the front projection of the emerald finished product is copied and presented by a digital device according to the original value ratio of 1. The invention divides the orthographic projection shape of the front surface of the emerald finished product into three types: round, drop-shaped, square.
It is to be noted that according to the actual shape of the emerald finished product, the plain emerald does not contain a square; in addition, there are fewer instances of the shaped emerald that are temporarily outside the scope of the present invention because they are not commercially available and are less numerous samples.
After the shape of a specific gemstone is determined, the orthographic projection of the front surface of the round, drop and square faceted gemstones can be obtained by measuring the length L, width W and orthographic projection area S of the front surface of the gemstone after the round, drop and square faceted gemstones are copied and displayed by digital equipment. As shown in fig. 2 (a). And copying and presenting the orthographic projection of the front face of the gem of the plain gem of the circular or water drop shape by digital equipment to obtain the length L of the gem, the width W of the gem and the orthographic projection area S of the front face of the gem. As shown in fig. 2 (b). It should be noted that the digital device may automatically analyze basic parameters such as a length L of the gemstone, a width W of the gemstone, and an area S of the orthographic projection of the front surface of the gemstone, and automatically calculate a value of a width-to-length ratio, i.e., W/L, wherein the digital device is a mobile phone, a tablet computer, or an intelligent device with a liquid crystal display.
Further, the digital equipment calculates the mass M of the gem according to a formula M = S multiplied by W multiplied by f, wherein the measuring unit of M is carat, f is a series constant developed according to the emerald finished product on the market, and it needs to be explained that the selected f values of the emerald of different shapes and types are different; if the ratio of the width W to the length L of the emerald stones in the same shape and type is different, the selected f value may also be different; f value is at least required to be accurate to 7 bits after decimal point; the digital equipment is a mobile phone, a tablet personal computer or intelligent equipment with a liquid crystal display screen.
In summary, according to the method for measuring the quality of the emerald finished product, the measured emerald finished product is probably embedded and cannot be weighed, so that the acquisition of gem depth data is avoided, only the orthographic projection shape of the front face of the measured emerald is required to be copied, f values of the emerald precious stones with different shapes are selected in a mode of obtaining basic data, the requirements of physical properties and cutting specifications of the gems are fully considered in the research and development and formulation of the f values, the f values are fully corrected by using high-quality emerald data on the market, the measurement applicability and the measurement precision are improved as much as possible by the operations, and the f values can be corrected by combining with other methods such as functions, regression analysis and the like according to the emerald production place, quality, and actual conditions of market production, cutting and selling of the emerald finished products.
Based on the same inventive concept, the invention also provides a device for measuring the quality of the emerald finished product. As the principle of solving the problems by the device is similar to the method for measuring the quality of the emerald diamond finished product, the implementation of the device can be carried out according to the specific steps and time limits of the method, and repeated parts are not described again.
Fig. 3 is a schematic structural view of an apparatus for measuring the quality of an emerald final product in one embodiment. This measure device 10 of ring hand cun includes: a selection module 200, a shape determination module 400, a first measurement module 600, and a second measurement module 800.
The receiving module 200 is used for receiving a user-selected emerald finished product to be measured; a shape determining module 400 for determining the shape of the emerald finished product to be measured; the first measuring module 600 is used for measuring the length L, the width W and the area S of the orthographic projection of the front surface of the gem of the round, water drop and square facet gems after the orthographic projection of the front surface of the gem is reproduced and displayed by digital equipment, and then calculating the mass M of the gem according to the formula M = S multiplied by W multiplied by f, wherein the measuring unit of M is carat, and f is a series constant developed according to the conventional facet emerald gem on the market; the second measuring module 800 is used for obtaining the length L, the width W and the area S of the orthographic projection of the front face of the gem of the circular and droplet-shaped plain gemstones after the orthographic projection of the front face of the gem is reproduced and displayed by digital equipment, and then calculating the mass M of the gem according to the formula M = S × W × f, wherein the measuring unit of M is carat, and f is a series of constants which are independently developed according to the conventional plain emerald gem in the market.
The invention provides a device for measuring the quality of an emerald finished product, which comprises a receiving module 200, a shape determining module 400 and a control module, wherein the receiving module 200 is used for receiving the emerald finished product to be measured selected by a user, and then the shape determining module 400 is used for determining the specific shape of the emerald finished product to be measured; then, the first measurement module 600 determines that if the gemstone to be measured is selected as a facet gemstone, the length, width and area of the orthographic projection of the front surface of the gemstone are described and measured, and the gemstone quality is calculated, wherein the front surface of the gemstone is a set of all surfaces seen when the table of the gemstone is observed vertically; and then the second measurement module 800 determines that if the gemstone to be measured is selected as a plain gemstone, the length, width and area of the orthographic projection of the front surface of the gemstone are described and measured, and the mass of the gemstone is calculated, wherein the front surface of the gemstone is the cambered surface of the gemstone. The device solves the limitation that the measurement of the quality of the emerald in the traditional technology only depends on a weighing tool, solves the problem that the inlaid emerald cannot be weighed, and has the advantages of wide application, easy use, high efficiency and flexibility.
The embodiment of the invention also provides a computer readable storage medium. The computer readable storage medium has stored thereon a computer program, which is executed by the processor in fig. 1 or 2.
The embodiment of the invention also provides a computer program product containing the instruction. Which when run on a computer causes the computer to perform the method of fig. 1 or 2 as described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A method of measuring the quality of an emerald finished product, the method comprising:
receiving an emerald selected by a user and to be measured, and determining the shape of the emerald to be measured;
wherein the emerald to be measured comprises: the three-dimensional model comprises a facet square type, a facet circular type, a facet drop type, a plain surface circular type and a plain surface drop type, wherein the facet square type comprises two subclasses of octagonal cutting type and pillow cutting type, the facet circular type comprises one subclass of one shape of facet circle, the facet drop type comprises two subclasses of facet drop type and plain surface horse eye type, the plain surface circle comprises one subclass of shape of plain surface circle, and the plain surface drop type comprises two subclasses of shape of plain surface drop type and plain surface horse eye type;
if the gemstone to be measured is selected as a facet gemstone, describing and measuring the length L, the width W and the area S of the orthographic projection of the front surface of the gemstone, and calculating the mass M of the gemstone according to the formula M = S multiplied by W multiplied by f, wherein f is a series constant developed according to the conventional facet emerald gemstone on the market, and further calculating the mass of the gemstone, wherein the outer surface of the facet gemstone mainly comprises a plurality of geometric surfaces, the front surface of the gemstone is a set of all the surfaces seen when the table of the gemstone is vertically observed, and the projection surface is parallel to the table of the gemstone;
wherein if the gemstone to be measured is selected as a facet gemstone, and the shape of the gemstone to be measured is determined to be circular, drop-shaped or square, the length of the longest symmetry axis of the orthographic projection of the front surface of the gemstone to be measured is set as the gemstone length L, and meanwhile, on the orthographic projection of the front surface of the gemstone, the maximum value of the diameter length perpendicular to the symmetry axis is set as the gemstone width W, wherein the gemstone length and the gemstone width are measured in millimeters;
if the gemstone to be measured is selected as a plain gemstone, the length L, the width W and the area S of the orthographic projection of the front face of the gemstone are described and measured, the mass M of the gemstone is calculated according to the formula M = S multiplied by W multiplied by f, f is a series constant developed according to the conventional emerald gemstone of the plain face on the market, and the mass of the gemstone is further calculated, wherein the outer surface of the plain gemstone mainly comprises a convex cambered surface and a relatively flat bottom surface, the front face of the gemstone is the cambered surface of the gemstone, and the projection surface is parallel to the bottom surface of the gemstone.
2. The method of claim 1, wherein the shape of the orthographic projection of the gemstone front comprises: round, drop-shaped, square;
wherein, the round type means that the orthographic projection of the front surface of the gem is approximately in a perfect circle or an ellipse;
the water drop type refers to that the orthographic projection of the front surface of the gem is approximately in a water drop shape or a horse eye shape, namely, the projection graph has one or two inner angles less than 180 degrees, generally, the gem with one inner angle is called in a water drop shape or a pear shape, and the gem with two symmetrical inner angles is called in an olive shape or a horse eye shape;
the square type means that the orthographic projection of the front face of the gem is approximately rectangular or square.
3. The method according to claim 1, wherein if the gemstone to be measured is selected to be a plain gemstone, and the shape of the gemstone to be measured is determined to be of the circular or droplet type, the length of the longest symmetry axis of the orthographic projection of the gemstone to be measured is set as gemstone length L, while on the orthographic projection of the gemstone front surface the maximum value of the diameter length perpendicular to this symmetry axis is set as gemstone width W, wherein gemstone length and width are both measured in millimeters.
4. The method of claim 1, further comprising replicating an orthographic projection of the face of an emerald gemstone in an original ratio of 1.
5. The method as claimed in any one of claims 1 to 4, wherein the orthographic projection of the front face of the precious stone of the circular, drop-shaped or square faceted precious stone is reproduced by a digital device, and then the length L, width W and area S of the orthographic projection of the front face of the precious stone are measured, and the mass M of the precious stone is calculated according to the formula M = S x W x f, wherein M is measured in carat, f is a series of constants developed according to the conventional emerald gemstone faceted on the market, and the derivation method of the value of f is based on the formula of the volume of a cone and needs to be combined with the actual cutting and processing conditions of the emerald gemstone on the market, and the digital device is a mobile phone, a tablet computer or a smart device with a liquid crystal display.
6. The method as claimed in any one of claims 1 to 4, wherein the orthographic projection of the front face of the gemstone of the circular or drop-shaped plain gemstone is reproduced by a digital device to obtain the length L, width W and area S of the orthographic projection of the front face of the gemstone, and the mass M of the gemstone is calculated according to the formula M = S x W x f, wherein M is measured in carat, f is a series of constants which are independently developed according to the conventional plain emerald gemstone on the market, and the derivation method of the f value is based on a hemisphere volume formula and needs to be combined with the actual cutting and processing of the emerald gemstone, wherein the digital device is a mobile phone, a tablet computer or a smart device with a liquid crystal display screen.
7. The method according to any one of claims 1 to 4, wherein different emerald of different shape and type are selected with different f-values; if the ratio of the width W to the length L of the emerald stones in the same shape and type is different, the selected f value may also be different; the f-value needs to be accurate to at least 7 bits after the decimal point.
8. A device for measuring the quality of an emerald, the device comprising:
the receiving module is used for receiving the emerald to be measured selected by a user;
a shape determination module for determining the shape of the emerald to be measured;
the measuring method comprises the following steps that a first measuring module is used for describing and measuring the length L, the width W and the area S of an orthographic projection of a gemstone front face if the gemstone to be measured is selected as a facet gemstone, calculating the mass M of the gemstone according to the formula M = S multiplied by W multiplied by f, wherein f is a series constant developed according to a conventional facet emerald gemstone on the market, and further calculating the mass of the gemstone, wherein the outer surface of the facet gemstone mainly comprises a plurality of geometrical surfaces, the gemstone front face is a set of all the surfaces seen when the gemstone table is observed vertically, and a projection surface is parallel to the gemstone table;
and if the gem to be measured is selected as the plain gem, the length L, the width W and the area S of the orthographic projection of the front face of the gem are described and measured, the mass M of the gem is calculated according to a formula M = S multiplied by W multiplied by f, f is a series constant developed according to the conventional plain emerald gem on the market, and the mass of the gem is further calculated, wherein the outer surface of the plain gem mainly comprises a convex cambered surface and a relatively flat bottom surface, the front face of the gem is the cambered surface of the gem, and the projection surface is parallel to the bottom surface of the gem.
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| CN107152944A (en) * | 2016-03-05 | 2017-09-12 | 魏贞民 | A kind of dot matrix projection volume mass measuring system |
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| CN108959624A (en) * | 2018-07-20 | 2018-12-07 | 深圳市品越珠宝有限公司 | Automatic method, apparatus, equipment and the storage medium for identifying emerald |
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