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en:processing:анализ_выделенных_областей [2012/02/07 16:27] Анна Протопопова |
en:processing:анализ_выделенных_областей [2012/03/14 15:19] (current) |
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| ===== Selected area analysis===== | ===== Selected area analysis===== | ||
| - | This function from the [[en:processing:меню_математика|Mathematics menu]] is oriented to determination of surface area and volume in selected region of the image. | + | This function from the [[меню_математика|Mathematics menu]] is oriented to determination of surface area and volume in selected region of the image. |
| - | To start working with this function one should select an area of interest with [[en:processing:выделение|standard selection tools]]: selection of rectangular areas, selection of ellipses, or selection of isolines. The latter is often preferable. When the selection is ready call the **Selected area analysis** function. A new parameters window will apear it will be refilled after every future call to the function. Thereby one can prepare a table of parameters during his work with different areas and images. When the table is ready one can copy the data to Excel or to any other programm for statistical analysis. | + | To start working with this function one should select an area of interest with [[выделение|standard selection tools]]: selection of rectangular areas, selection of ellipses, or selection of isolines. The latter is often preferable. When the selection is ready call the **Selected area analysis** function. A new parameters window will apear it will be refilled after every future call to the function. Thereby one can prepare a table of parameters during his work with different areas and images. When the table is ready one can copy the data to Excel or to any other programm for statistical analysis. |
| {{:processing:selected_area_analysis_2.jpg|An AFM image of mica surface with three protein spheres on it}} | {{:processing:selected_area_analysis_2.jpg|An AFM image of mica surface with three protein spheres on it}} | ||
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| * //**V_full**// – the volume of selected area determined as a sum of volumes of triangular prisms which make up the triangulated mesh. | * //**V_full**// – the volume of selected area determined as a sum of volumes of triangular prisms which make up the triangulated mesh. | ||
| - | If you work with a big number of images, with big number of objects on every image, this function will not give you the results as quickly as the automatic function [[en:processing:выделить_объекты|Enum Features]]. On the other hand this function allows to analyse any selected region of the image including the substrate surface. You will also know the correspondence between the values and the areas. After all, if there are many objects in the image, it is possible to identify them with the parameters using tags in Enum Features function, but it is not always quick enough. | + | If you work with a big number of images, with big number of objects on every image, this function will not give you the results as quickly as the automatic function [[выделить_объекты|Enum Features]]. On the other hand this function allows to analyse any selected region of the image including the substrate surface. You will also know the correspondence between the values and the areas. After all, if there are many objects in the image, it is possible to identify them with the parameters using tags in Enum Features function, but it is not always quick enough. |
| **Selected area analysis** function is very usefull when you are interested in the characteristics of several particular objects – from one to ten on the image. | **Selected area analysis** function is very usefull when you are interested in the characteristics of several particular objects – from one to ten on the image. | ||
| - | If you do use this function often, you can set the hot key for it. One can do it in menu View/Toolbars/[[en:processing:view_панели|Customize...]]. | + | If you do use this function often, you can set the hot key for it. One can do it in menu View/Toolbars/[[view_панели|Customize...]]. |