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zjy120420173

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2Â¥: Originally posted by kangye_1989 at 2016-09-05 09:33:26
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zlyama366

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zjy120420173: ½ð±Ò+10 2016-09-06 11:01:29
ÒýÓûØÌû:
3Â¥: Originally posted by zjy120420173 at 2016-09-05 10:49:51
ÎÒÏëÖªµÀ£¬Ôõô±ê¶¨µÄ£¿Èç¹ûÖ»ÓÐÒ»ÕÅJPCEµÄTEMͼ£¬ÈçºÎËã¾§Ãæ¼ä¾à£¬ºÍÏàÓ¦µÄ¾§Ãæ...

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zjy120420173: ½ð±Ò+20 2016-09-06 11:39:34
import into Matlab
<code>
1) reduce the graphics of the plot to the plain plot area (i.e. the axis-bound area)

2) import into matlab and display:

imdata=flipdim(imread('fig1.png'),1);

implot=imref2d(size(imdata));
implot.XWorldLimits=[xmin xmax];
implot.YWorldLimits=[ymin ymax];
imshow(imdata, implot);

% if y is logarithmic (for x accordingly...)
set(gca,'YScale','log');

% you might have to flip the axis direction
set(gca,'YDir','normal');

% you probably want to adjust the image aspect ratio.
set(gca,'DataAspectRatio',[1 70 1]);

note: xmin, xmax, ymin, and ymax are the limits of the axes. replace them manually with the values of your figure.
now you have a matlab reproduction of the figure, you like to have the data from.

3) "grab" the coordinates of a number of data points (npoints):

[x,y] = ginput(npoints)

move the mouse to the respective data points and (left) click. when clicked npoints, x and y coordinates of the npoints points in the plot's system are now stored in vectors x and y, respectively.
</code>
6Â¥2016-09-06 10:51:29
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zjy120420173

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
6Â¥: Originally posted by FMStation at 2016-09-06 10:51:29
import into Matlab
<code>
1) reduce the graphics of the plot to the plain plot area (i.e. the axis-bound area)

2) import into matlab and display:

imdata=flipdim(imread('fig1.png'),1);
...

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zjy120420173

Ìú³æ (ÕýʽдÊÖ)

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4Â¥: Originally posted by zlyama366 at 2016-09-05 20:07:42
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FMStation

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

9Â¥2016-09-06 11:53:21
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zjy120420173

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
9Â¥: Originally posted by FMStation at 2016-09-06 11:53:21
Measuring a length in an image using ImageJ
https://www.youtube.com/watch?v=KI5Ya2roPRc

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