CN107239197B - Virtual simulation implementation method for polarizing microscope - Google Patents
Virtual simulation implementation method for polarizing microscope Download PDFInfo
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- CN107239197B CN107239197B CN201710481309.0A CN201710481309A CN107239197B CN 107239197 B CN107239197 B CN 107239197B CN 201710481309 A CN201710481309 A CN 201710481309A CN 107239197 B CN107239197 B CN 107239197B
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- 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]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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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]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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Abstract
A virtual simulation implementation method for a polarizing microscope belongs to the technical field of geological survey research. The invention realizes the functions of simulating the rotation of the microscope object table, the switching of the polarization types and the like by rapidly switching multiple pictures. The invention realizes the observation of mineral or rock slices by simulating the operation of the polarizing microscope on various web browsers, and can realize the simulated operation of the polarizing microscope, including rotating an object table, switching single polarization, orthogonal polarization and cone light, inserting a test plate and lifting a lens cone. The invention innovatively provides functions of rotating a microscope object table, switching polarization types and the like by responding to a mouse or switching pictures through touch operation.
Description
Technical Field
The invention belongs to the technical field of geological survey research, and particularly relates to a virtual simulation implementation method of a polarizing microscope.
Background
Polarizing microscopes are important research tools for geology, and the identification of mineral and rock flakes using polarizing microscopes is a requisite skill for every geologically relevant practitioner. With the development of science and technology, more and more functions can be realized through the internet technology, a virtual simulation polarizing microscope can be built by using the internet technology, and some microscope operations (rotating object table, single/orthogonal polarizing, cone light switching, inserting test plate and lifting lens cone) are simulated for showing the under-lens characteristics of various mineral rock slices. Different from the common picture form display, the virtual simulation polarizing microscope can reproduce a plurality of dynamic phenomena, such as polychromatism, wave extinction, Becker line and the like, and also can be operated manually, so that students master the measurement method of cleavage included angle, protrusion and extinction angle.
For example, patent publication No. CN106251285A discloses a method for making virtual simulation pictures of rock slices, which comprises: placing the rock slice on a microscope objective table, observing the rock slice in an eyepiece and finding out a phenomenon needing displaying; respectively taking pictures of the rock slices under the single-polarization light path and the orthogonal-polarization light path; rotating the rock slices along one direction at preset interval angles, and taking pictures under single-polarization and orthogonal-polarization light paths again after rotating the rock slices by one preset interval angle each time until the rock slices are rotated by one circle to obtain a plurality of pictures of the rock slices under the single-polarization light paths and a plurality of pictures under the orthogonal-polarization light paths; panoramic synthesis is respectively carried out on a plurality of photos of the rock slices under a single-polarization light path and a plurality of photos under an orthogonal-polarization light path, so that an image file under the single-polarization light path and an image file under the orthogonal-polarization light path are obtained; and uploading the picture file under the single-polarization light path and the picture file under the orthogonal polarization light path to a server, and browsing the picture file under the single-polarization light path and the picture file under the orthogonal polarization light path through a webpage by a user. However, the method is realized by synthesizing a plurality of panoramic photos, so that the synthesized memory size is large, the loading speed is low, and a specific implementation method is not proposed.
Disclosure of Invention
Aiming at the defects existing in the background technology, the invention aims to provide a virtual simulation implementation method of a polarizing microscope.
Therefore, the invention adopts the following technical scheme: a method for realizing virtual simulation of a polarizing microscope is characterized by comprising the following steps:
the method comprises the following steps: placing the selected typical mineral or rock slices on an objective table of a polarizing microscope, and finding out the phenomenon to be displayed;
step two: rotating the object table for a circle, and taking an under-lens picture at regular intervals, wherein each picture corresponds to a certain angle;
step three: the above procedure was repeated under mono-polarization, cross-polarization, and cone light, respectively, with the position of the sheet kept constant, to obtain a series of photographs, which were stored in "-N", "+ N", and "CL" folders, respectively.
Step four: shooting a picture of the lifting lens barrel or the descending lens barrel under a certain angle of single polarized light, wherein the naming rule is rotation angle/shooting interval angle jpg, and storing the picture in a subfolder "up" or "down" of a "-N" folder;
step five: the method comprises the steps of taking pictures of inserted test plates under certain angles of orthogonal polarization and conical light, wherein the naming rule is rotation angle/shooting interval angle jpg, and storing the pictures under + N folder and CL folder respectively, wherein different test plate pictures are stored in different subfolders;
step six: firstly displaying a 0-degree under-mirror photo in a browser, wherein the angle D of a counting object stage is 0, and monitoring the dragging of a mouse or the sliding operation of a finger; when a mouse is dragged or a finger slides, calculating the percentage P of the dragging or sliding distance relative to the display width of the whole picture, and rotating the object stage by 360 ═ P + D)% 360 after dragging;
step seven: the photos from D before rotation to D' after rotation are sequentially and rapidly switched and displayed, and the dynamic effect of the animal platform is realized by taking the pictures as frames;
step eight: keeping the picture name unchanged, and directly switching to folders corresponding to different polarization types, namely realizing the switching of single polarization, orthogonal polarization and cone light;
step nine: after rotating to a certain angle, keeping the name of the picture unchanged, switching to a lifting object table or a folder for inserting the picture of the test board, and then realizing the operation of lifting the object table and inserting the test board.
In addition to the above technical solutions, the present invention also includes the following technical features.
In the second step: and taking a picture at an interval of 5 degrees to obtain 72 pictures, wherein the 72 pictures are respectively named as 0. jpg-71. jpg, and the numerical value of the named name of the picture is multiplied by 5 corresponding to a certain angle.
In order to obtain a picture under a microscope, the method can also be performed by extracting a video frame, and the specific method comprises the following steps:
(1) placing the selected typical mineral and rock slices on an objective table of a polarizing microscope, and finding out the phenomenon to be displayed;
(2) shooting an under-mirror video presented by a microscope object table rotating for one circle at a constant speed by using a camera, wherein the rotating speed is less than 12 degrees/second, and the video duration is more than 30 seconds;
(3) counting the video time length to be L seconds, extracting the number of the photos to be N, extracting one frame from the video every L/N seconds to be stored as the photos, wherein the rotation included angle of an object table between the photos under each mirror is 360/N degrees;
(4) the position of the sheet is kept unchanged by extraction, and the above processes are respectively repeated under the conditions of single polarization, orthogonal polarization and cone light to obtain a series of photos which are respectively stored in folders of "-N", "+ N" and "CL".
The invention can achieve the following beneficial effects: the invention realizes the functions of microscope object table rotation, polarization type switching and the like through multi-picture quick switching, can realize loading according to requirements and has short one-time loading time. The invention realizes the observation of mineral or rock slices by simulating the operation of the polarizing microscope on various web browsers, and the achievable polarizing microscope operation comprises the steps of rotating an object table, switching single polarization, orthogonal polarization and cone light, inserting a test plate and lifting a lens cone. The invention innovatively provides functions of rotating a microscope object table, switching polarization types and the like by responding to a mouse or switching pictures through touch operation.
Drawings
FIG. 1 is a schematic diagram of the document structure of a virtual simulation polarized microscope photograph according to the present invention.
Fig. 2 is a schematic diagram of the virtual simulation polarization microscope implementation principle of the invention.
Fig. 3 is a schematic layout diagram of a virtual simulation polarization microscope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the method comprises the following specific steps:
(1) the selected typical mineral or rock flakes are placed on the stage of a polarizing microscope and the phenomenon to be displayed is found.
(2) When the object table is rotated for one circle, one under-mirror picture is taken at a plurality of angles (for example, if one picture is taken at 5 degrees, 72 pictures are finally obtained, which are named as 0. jpg-71. jpg respectively), and each picture corresponds to a certain angle (taking 72 pictures as an example, 5.jpg corresponds to an angle of 5 × 5 — 25 °).
(3) The above procedure was repeated under mono-polarization, cross-polarization, and cone light, respectively, with the position of the sheet kept constant, to obtain a series of photographs, which were stored in "-N", "+ N", and "CL" folders, respectively.
(4) A picture of the lifting or lowering barrel is taken under a single bias light at an angle, named angle of rotation/shooting interval angle jpg (e.g. taken at 45 °, interval angle 5 °, named 9.jpg), stored in subfolders "up" or "down" of the "-N" folder.
(5) Jpg (e.g., taken at 45 ° and an interval angle of 5 °, named 9.jpg) is stored in the "+ N" and "CL" folders, respectively, and different test panel photographs are stored in different subfolders (e.g., a photograph of a gypsum test panel under orthogonal polarization is stored in "+ N/gypsum" and a photograph of a mica test panel under conoscopic light is stored in "CL/mica"). The document structure is shown in fig. 1.
(6) First, an under-mirror photograph (0.jpg) at 0 ° is displayed in the browser, and the stage angle D is 0, and the mouse drag or finger slide operation is monitored. When there is a mouse drag or finger sliding, the percentage P of the drag or sliding distance to the entire image display width is calculated (for example, the drag distance is 100px, the image display width is 200px, and then P is 50%), and the stage should be rotated by 360 ═ 360 × P + D)% 360 after dragging.
(7) And rapidly switching and displaying the photos from D before rotation to D' after rotation in sequence. For example, if D is 0, D' is 180, and the shooting interval angle is 5 °, 0.jpg and 1.jpg … …. jpg should be sequentially switched, and the motion effect of the rotating object table is realized by taking a picture as a frame.
(8) Keeping the picture name unchanged, directly switching to the folders corresponding to different polarization types, namely realizing the switching of single polarization, orthogonal polarization and cone light.
(9) After the picture is rotated to a certain angle, the name of the picture is kept unchanged, and the picture is switched to a lifting object table or a folder for inserting a picture of a test board, so that the operation of lifting the object table and inserting the test board is realized. The implementation principle is shown in fig. 2, and the functional layout is shown in fig. 3.
As another example of taking a photograph under a microscope: the method comprises the following steps:
(1) the selected typical mineral and rock flakes were placed on the stage of a polarizing microscope and the phenomenon to be displayed was found.
(2) The camera is used for shooting the video under the microscope displayed by the microscope object table rotating for one circle at a constant speed, in order to ensure that the video is clear, the rotating speed should be less than 12 degrees/second, and the video duration should be more than 30 seconds.
(3) And when the duration of the video is counted to be L seconds and the number of the extracted pictures is N, extracting one frame from the video every L/N seconds and storing the frame as a picture, wherein the rotating included angle of the object table between the pictures under each mirror is 360/N degrees.
(3) The position of the sheet is kept unchanged by extraction, and the above processes are respectively repeated under the conditions of single polarization, orthogonal polarization and cone light to obtain a series of photos which are respectively stored in folders of "-N", "+ N" and "CL".
The invention realizes the functions of microscope object table rotation, polarization type switching and the like through multi-picture quick switching, can realize loading according to requirements and has short one-time loading time. The invention realizes the observation of mineral or rock slices by simulating the operation of the polarizing microscope on various web browsers, and the achievable polarizing microscope operation comprises the steps of rotating an object table, switching single polarization, orthogonal polarization and cone light, inserting a test plate and lifting a lens cone. The invention innovatively provides functions of rotating a microscope object table, switching polarization types and the like by responding to a mouse or switching pictures through touch operation. The invention realizes the simulated operation of the polarizing microscope by various computer terminals to observe the mineral or rock slices, is particularly suitable for showing the dynamic optical phenomena under the microscope of the mineral or rock slices, such as polychromatism, wave extinction, Becker line and the like, and can also be operated manually to lead students to master the measurement method of the cleavage included angle, the protrusion and the extinction angle. The invention can enable students not to enter a microscope laboratory, and can also carry out experimental teaching of the microscopes such as petrology, crystal optics and the like, thereby meeting the requirements of autonomous learning and review of the students after class.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A virtual simulation implementation method for a polarizing microscope is characterized by comprising the following steps:
the method comprises the following steps: placing the selected mineral or rock slice on an objective table of a polarizing microscope, and finding out a phenomenon needing displaying;
step two: rotating the object table for a circle, and taking an under-lens picture at intervals of angles, wherein each picture corresponds to one interval of angles;
step three: keeping the position of the sheet unchanged, repeating the above processes under single polarization, orthogonal polarization and cone light respectively to obtain a series of photos, and storing the photos in folders of "-N", "+ N" and "CL" respectively;
step four: shooting a picture of the lifting lens barrel or the descending lens barrel under a single-polarized light rotating angle, wherein the naming rule is a rotating angle/shooting interval angle jpg, and the picture is stored in a subfolder 'up' or 'down' of a '-N' folder;
step five: the method comprises the steps of taking pictures of inserted test plates under the preset rotation angles of orthogonal polarization and conical light, wherein the naming rule is rotation angle/shooting interval angle jpg, and storing the pictures under + N folders and CL folders respectively, and storing different test plate pictures in different subfolders;
step six: firstly, displaying a 0-degree under-mirror photo in a browser, wherein the angle D =0 of a counting object stage, and monitoring the dragging of a mouse or the sliding operation of a finger; when a mouse is dragged or a finger slides, calculating the percentage P of the dragging or sliding distance relative to the display width of the whole picture, and rotating the object stage by D' = (360 × P + D)% 360 after dragging;
step seven: the photos from D before rotation to D' after rotation are sequentially and rapidly switched and displayed, and the dynamic effect of the animal platform is realized by taking the pictures as frames;
step eight: keeping the picture name unchanged, and directly switching to folders corresponding to different polarization types, namely realizing the switching of single polarization, orthogonal polarization and cone light;
step nine: after the picture is rotated to the rotation angle, the name of the picture is kept unchanged, and the picture is switched to a lifting object table or a folder for inserting pictures of the test board, so that the operation of lifting the object table and inserting the test board is realized.
2. The virtual simulation implementation method of the polarization microscope according to claim 1, wherein: in the second step: and taking one picture at an interval of 5 degrees to obtain 72 pictures, and respectively naming the pictures as 0. jpg-71. jpg, wherein the corresponding interval angle is the value of the named name of the picture multiplied by 5.
3. The virtual simulation implementation method of the polarization microscope according to claim 2, wherein: in order to obtain a picture under a microscope, the method can also be performed by extracting a video frame, and the specific method comprises the following steps:
(1) placing the selected mineral and rock slices on an objective table of a polarizing microscope, and finding out the phenomenon needing displaying;
(2) shooting an under-mirror video presented by a microscope object table rotating for one circle at a constant speed by using a camera, wherein the rotating speed is less than 12 degrees/second, and the video duration is more than 30 seconds;
(3) counting the video time length to be L seconds, extracting the number of the photos to be N, extracting one frame from the video every L/N seconds to be stored as the photos, wherein the rotation included angle of an object table between the photos under each mirror is 360/N degrees;
(4) the position of the sheet is kept unchanged by extraction, and the above processes are respectively repeated under the conditions of single polarization, orthogonal polarization and cone light to obtain a series of photos which are respectively stored in folders of "-N", "+ N" and "CL".
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| CN104679227A (en) * | 2013-12-02 | 2015-06-03 | 创世界科技有限公司 | Product display implementation method |
| KR20160069379A (en) * | 2014-12-08 | 2016-06-16 | 공주대학교 산학협력단 | Apparatus and method for calculating permeability and porosity of rock using image of slice of rock |
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