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Difference between revisions of "Batch Conversion"

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Batch conversion is used for applying processing operations to one or more images sequentially. The functionality is simliar to NConvert except controlled via the XnView GUI rather than the command line.  Extensive processing options are available through this function and multiple operations can be configured and applied in one step.  It is also easy to save a script of the configured functions to enable convenient later re-use.  Many of the functions have configurable parameters.
Batch conversion is used for applying various graphical operations to an image, or set of images. The functionality is the same as NConvert, except controlled via the XnView GUI rather than the command line.  A large number of functions are available and multiple operations can be configured and applied in one step.  It is also easy to save a script of the configured functions, which facilitates convenient re-use.  Many of the functions have configurable parameters.


To apply batch processing, select the files that you wish to apply processing to in the browser view of XnView, then click the 'convert' button from the toolbar (or 'Batch Processing' from the edit menu or the right-click menu. This will bring up the batch processing window with your selected files listed.  You can also add or remove files from the list at this point, though it's not usually necessary.
To apply batch processing, select the files that you wish to process using the browser view of XnView, then click the 'convert' button from the toolbar (or 'Batch Processing' from the edit menu or the right-click menu). This will bring up the batch processing window with your selected files listed.  You can also add or remove files from the list at this point, though it's not usually necessary.


There are two tabs to the batch processing window - 'General' and 'Transformations'.  The window opens on 'General' and there are a couple of important options you will want to pay attention to here. Firstly, if you want to retain your original images (recommended, because you can't undo most of the functions once they're done), make sure you're either outputting into a different directory, or else you have the 'rename' option selected in the 'Overwrite' field.  Secondly, select the desired output file type.  This is a very useful transformation by itself and may even be all you want to do in some instances.
The batch processing window has two tabs - 'General' and 'Transformations'.  The window opens on 'General' and there are a couple of important options you will want to pay attention to here. Firstly, if you want to retain your original images (recommended, because you can't undo most of the functions once they're done), make sure you're either outputting into a different directory, or else you have the 'rename' option selected in the 'Overwrite' field.  Secondly, select the desired output file type.  This is a very useful transformation in itself and may even be all you want to do in some cases.


After sorting that out, select the 'Transformations' tab. This is where all the interesting stuff is. If you fully expand out the list (click on the +'s), you'll see a large list of functions.  In order to apply any of these to your images either just double-click or else single-click it and then click the 'Add' button. The name will be copied into the right-hand box, which contains the list of functions that will be applied.  If the function has variable parameters (not all do), then they will be displayed in the 'parameters' box, from where you can set the values.  If you select something by accident, or just change your mind, click it in the right-hand box and select 'remove'
After sorting that out, select the 'Transformations' tab. This is where all the interesting stuff is. If you fully expand out the list (click on the +'s), you'll see a large list of functions.  In order to apply any of these to your images either just double-click, or else single-click it and then click the 'Add' button. The name will be copied into the right-hand box, which contains the list of functions that will be subsequently used.  If the function has variable parameters (not all do), then they will be displayed in the 'parameters' box, from where you can set the values.  If you select something by accident or just change your mind, click it in the right-hand box and select 'remove'


You'll notice you can apply several processing steps at once.  There's probably a practical limit to how many are useful, because applying a lot in one go can take a while.  Also the more functions you apply at once, the less predictable the result.  If you want to do lots, you may have more success applying the changes in stages.
You'll notice you can apply several processing steps at once.  There's probably a practical limit to how many are useful, because applying a lot in one go can take a while.  Also the more functions you apply at once, the less predictable the result.  If you want to do lots, you may have more success applying the changes in stages.
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===Convert===
===Convert===
*[[Convert to Binary]]
*Convert to Binary
*[[Convert to Colours]]
*Convert to Colours  
*[[Convert to Greyscale]]
*Convert to Greyscale
*[[Convert to True Colours]]
*Convert to True Colours


===Image===
===Image===
*[[Add Alpha]]
*Add Alpha
*[[Add Text]]
*Add Text
*[[Auto Crop]]
*Auto Crop
*[[Canvas Resize]]
*Canvas Resize
*[[Clean Metadata]]
*Clean Metadata
*[[Crop]]
*Crop]]
*[[Extract Channel]]
*Extract Channel
*[[Flip Horizontal]]
*Flip Horizontal
*[[Flip Vertical]]
*Flip Vertical
*[[ICC convert]]
*ICC convert
*[[Lossless rotation]]
*Lossless rotation
*[[Replace color]]
*Replace color
*[[Resize]]
*[[Resize]]
*[[Rotate]]
*Rotate
*[[Set DPI]]
*Set DPI
*[[Watermark]]
*Watermark


===Map===
===Map===
*[[]]
*Align histogram
*[[]]
*Auto contrast
*Auto levels
*Brightness
*Colour Balance
*Conbright
*Contrast
*Equalize
*Gamma
*Gammasat
*HLS
*Levels
*Logarithmic Lut
*Negative
*Normalize
*Normalize Ex
*Posterize
*Sepia
*Shadow/Highlight
*Solarize
*Swap Component


===Filter===
===Filter===
*Average
*Blur
*Edge detect Heavy
*Edge detect Light
*Edge detect Medium
*Emboss
*Emboss More
*Emboss Detail
*Enhance Edges
*Enhance Focus
*Focus Restoration
*Gaussian Blur
*Maximum
*Median Box
*Median Cross
*Minimum
*Sharpen
*Soften


===Noise===
===Noise===
*Add gaussian noise
*Add laplacian noise
*Add poisson noise
*Add uniform noise
*Reduce noise


===Misc.===
===Misc.===
*3D border
*De-interlace
*Drop Shadow
*Lens
*Mosaic
*Oil Painting
*Shear
*Slice
*Spread
*Swirl
*Tile
*Waves
[[Category:Help/XnView|Categories]]

Latest revision as of 11:03, 16 March 2017

Batch conversion is used for applying various graphical operations to an image, or set of images. The functionality is the same as NConvert, except controlled via the XnView GUI rather than the command line. A large number of functions are available and multiple operations can be configured and applied in one step. It is also easy to save a script of the configured functions, which facilitates convenient re-use. Many of the functions have configurable parameters.

To apply batch processing, select the files that you wish to process using the browser view of XnView, then click the 'convert' button from the toolbar (or 'Batch Processing' from the edit menu or the right-click menu). This will bring up the batch processing window with your selected files listed. You can also add or remove files from the list at this point, though it's not usually necessary.

The batch processing window has two tabs - 'General' and 'Transformations'. The window opens on 'General' and there are a couple of important options you will want to pay attention to here. Firstly, if you want to retain your original images (recommended, because you can't undo most of the functions once they're done), make sure you're either outputting into a different directory, or else you have the 'rename' option selected in the 'Overwrite' field. Secondly, select the desired output file type. This is a very useful transformation in itself and may even be all you want to do in some cases.

After sorting that out, select the 'Transformations' tab. This is where all the interesting stuff is. If you fully expand out the list (click on the +'s), you'll see a large list of functions. In order to apply any of these to your images either just double-click, or else single-click it and then click the 'Add' button. The name will be copied into the right-hand box, which contains the list of functions that will be subsequently used. If the function has variable parameters (not all do), then they will be displayed in the 'parameters' box, from where you can set the values. If you select something by accident or just change your mind, click it in the right-hand box and select 'remove'

You'll notice you can apply several processing steps at once. There's probably a practical limit to how many are useful, because applying a lot in one go can take a while. Also the more functions you apply at once, the less predictable the result. If you want to do lots, you may have more success applying the changes in stages.

The effect of each of the functions is detailed here:

Convert

  • Convert to Binary
  • Convert to Colours
  • Convert to Greyscale
  • Convert to True Colours

Image

  • Add Alpha
  • Add Text
  • Auto Crop
  • Canvas Resize
  • Clean Metadata
  • Crop]]
  • Extract Channel
  • Flip Horizontal
  • Flip Vertical
  • ICC convert
  • Lossless rotation
  • Replace color
  • Resize
  • Rotate
  • Set DPI
  • Watermark

Map

  • Align histogram
  • Auto contrast
  • Auto levels
  • Brightness
  • Colour Balance
  • Conbright
  • Contrast
  • Equalize
  • Gamma
  • Gammasat
  • HLS
  • Levels
  • Logarithmic Lut
  • Negative
  • Normalize
  • Normalize Ex
  • Posterize
  • Sepia
  • Shadow/Highlight
  • Solarize
  • Swap Component

Filter

  • Average
  • Blur
  • Edge detect Heavy
  • Edge detect Light
  • Edge detect Medium
  • Emboss
  • Emboss More
  • Emboss Detail
  • Enhance Edges
  • Enhance Focus
  • Focus Restoration
  • Gaussian Blur
  • Maximum
  • Median Box
  • Median Cross
  • Minimum
  • Sharpen
  • Soften

Noise

  • Add gaussian noise
  • Add laplacian noise
  • Add poisson noise
  • Add uniform noise
  • Reduce noise

Misc.

  • 3D border
  • De-interlace
  • Drop Shadow
  • Lens
  • Mosaic
  • Oil Painting
  • Shear
  • Slice
  • Spread
  • Swirl
  • Tile
  • Waves