magnetic_scattrelease-4.2.2ticket-1009ticket-1249
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Last change
on this file since 5251ec6 was
412e9e8b,
checked in by butler, 7 years ago
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Fix viewer documentation
Replaced the three images for the image_viewer_help.rst with new ones
that reflect the latest features. Also replaced the bmp with png.
Finaly added a comment in the image_viewer.py code noting the close
error generated by PIL (for any non png images). This should complete
the work on this branch.
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Property mode set to
100644
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File size:
1.6 KB
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| [920928f] | 1 | .. image_viewer_help.rst |
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| [379b87a] | 2 | |
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| [78f02c3] | 3 | .. This is a port of the original SasView html help file to ReSTructured text |
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| 4 | .. by S King, ISIS, during SasView CodeCamp-III in Feb 2015. |
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| 5 | |
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| [da456fb] | 6 | .. _Image_Viewer_Tool: |
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| 7 | |
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| [379b87a] | 8 | Image Viewer Tool |
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| 9 | ================= |
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| 10 | |
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| [78f02c3] | 11 | Description |
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| 12 | ----------- |
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| 13 | |
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| 14 | This tool loads image files and displays them as 2D (x-y coordinate against |
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| 15 | counts per pixel). The plot can then can be saved, printed, and copied. The |
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| 16 | plot can also be resized by dragging the corner of the panel. |
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| 17 | |
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| [1e01486] | 18 | The supported input image formats are: |
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| 19 | |
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| 20 | * BMP (bitmap format) |
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| 21 | * GIF (graphical interchange format) |
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| 22 | * JPG (joint photographic experts group format) |
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| 23 | * PNG (portable network graphics format) |
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| 24 | * TIF (tagged image format) |
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| [78f02c3] | 25 | |
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| 26 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ |
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| 27 | |
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| [a9dc4eb] | 28 | Using the tool |
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| 29 | -------------- |
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| [78f02c3] | 30 | |
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| [1e01486] | 31 | 1) Select *Image Viewer* from the *Tool* menu on the SasView toolbar. |
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| [78f02c3] | 32 | |
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| [80c84b5] | 33 | 2) Select a file and then click *Open*. If the loading is successful the image |
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| 34 | will be displayed. |
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| [78f02c3] | 35 | |
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| [412e9e8b] | 36 | .. image:: load_image.png |
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| [78f02c3] | 37 | |
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| [1e01486] | 38 | 3) To save, print, or copy the image, or to apply a grid overlay, right-click |
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| 39 | anywhere in the plot. |
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| [78f02c3] | 40 | |
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| [412e9e8b] | 41 | .. image:: pic_plot.png |
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| [78f02c3] | 42 | |
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| [1e01486] | 43 | 4. If the image is taken from a 2D detector, SasView can attempt to convert |
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| 44 | the colour/grey scale into pseudo-intensity 2D data using |
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| [78f02c3] | 45 | |
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| [1e01486] | 46 | z = (0.299 x R) + (0.587 x G) + (0.114 x B) |
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| [78f02c3] | 47 | |
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| [1e01486] | 48 | unless the image is formatted as 8-bit grey-scale TIF. |
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| [78f02c3] | 49 | |
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| [1e01486] | 50 | 5. In the *Convert to Data* dialog, set the parameters relevant to the data and |
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| 51 | then click the OK. |
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| [78f02c3] | 52 | |
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| [412e9e8b] | 53 | .. image:: pic_convert.png |
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| [1e01486] | 54 | |
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| 55 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ |
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| 56 | |
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| [a9dc4eb] | 57 | .. note:: This help document was last changed by Steve King, 01May2015 |
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