flow>Standard
step>Alignment

    comment>Set up the grid for Rotate and or Perspective Transform
    comment>Easier to do geometric operations with single layer
    comment>This first step is run as part of the import jpeg

    comment>In the console get ID with: theImage = gimp.image_list()[0]
    comment>First set some variables and establish grid spacing and style
    >>> centerX = theImage.width/2
    >>> centerY = theImage.height/2
    >>> gridSpacing = max(theImage.width, theImage.height)/24
    >>> pdb.gimp_image_grid_set_offset(theImage, centerX, centerY)
    >>> pdb.gimp_image_grid_set_spacing(theImage, gridSpacing, gridSpacing)
    >>> pdb.gimp_image_grid_set_style(theImage, GRID_ON_OFF_DASH)

    comment>Expand the canvas by 25 percent -easier use to rotate / perspective
    >>> adjust = max(theImage.height, theImage.width)/4
    >>> theImage.resize(theImage.width + adjust, theImage.height+ adjust, adjust/2, adjust/2)

    comment>Rename the base layer to 'Original'
    >>> theLayer = theImage.layers[0]
    >>> theLayer.name = 'Original'

step>DynamicRange

    comment>Shrink the Canvas back to fit the layer
    >>> theImage.resize_to_layers()

    comment>Set grid to origin and size = image
    >>> pdb.gimp_image_grid_set_offset(theImage, 0, 0)
    >>> pdb.gimp_image_grid_set_spacing(theImage, theImage.width, theImage.height)

    comment>Capture a new 'Color Layer'.  Move it to the bottom of the stack
    comment>Save 'Color' so we can recover it at the end of the flow
    comment>We don't have to worry if some of the filters skew the color.
    comment>We can also use this to amp up the color
    >>> theImage.active_layer = theImage.layers[0]
    >>> currentLayer = theImage.active_layer
    >>> tempLayer = currentLayer.copy()
    >>> theImage.add_layer(tempLayer, 0)
    >>> pdb.gimp_desaturate_full(tempLayer, DESATURATE_LUMINOSITY)
    >>> tempLayer.mode = GRAIN_EXTRACT_MODE
    >>> colorLayer = pdb.gimp_layer_new_from_visible(theImage, theImage, 'ColorLayer')
    >>> theImage.add_layer(colorLayer, len(theImage.layers))
    >>> colorLayer.mode = GRAIN_MERGE_MODE
    >>> theImage.remove_layer(tempLayer)
    >>> theImage.active_layer = theImage.layers[0]

    comment>Create a Dynamic Range Layer and add it at the top of the stack
    comment>Run autostretch_hsv leave mode Normal and at 100% opacity
    comment>May have to use 'Curves' to tune up histogram
    >>> original = theImage.active_layer
    >>> DynRange = original.copy()
    >>> DynRange.name = "DynRange"
    >>> theImage.add_layer(DynRange, 0)
    >>> pdb.plug_in_autostretch_hsv(theImage, DynRange)

step>Retinex-Filter
    comment>Add a new Retinex layer and apply the retinex filter with default settings
    >>> RetinexLayer = pdb.gimp_layer_new_from_visible(theImage, theImage, "Retinex")
    >>> theImage.add_layer(RetinexLayer,0)
    comment>Retinex parameters - Scale = 240; ScaleDiv = 3; Level = 0; Dynamic = 1.2
    >>> pdb.plug_in_retinex(theImage, RetinexLayer, 240, 3, 0, 1.2)

    comment>Make the retinex layer B&W - retinex distorts color
    >>> pdb.gimp_desaturate_full(RetinexLayer, 1)
    >>> RetinexLayer.mode = OVERLAY_MODE
    >>> RetinexLayer.opacity = 75.0
    comment>Adjust the opacity based on Property EnhanceContrastLevel
    >>> ContrastLevel = str(theImage.parasite_find('EnhanceContrastLevel'))
    >>> if (ContrastLevel == 'EXTRA'): RetinexLayer.opacity = 100.0
    >>> if (ContrastLevel == 'NORMAL'): RetinexLayer.opacity = 75.0
    >>> if (ContrastLevel == 'MID'): RetinexLayer.opacity = 50.0
    >>> if (ContrastLevel == 'NONE'): RetinexLayer.opacity = 0.0

step>Sharpen
    comment>Add a new Sharpend layer and apply the sharpening filter with default settings
    >>> SharpenLayer = pdb.gimp_layer_new_from_visible(theImage, theImage, "Sharpen")
    >>> theImage.add_layer(SharpenLayer,0)
    comment>Sharpen parameters - Radius = 5.0; Amount = 0.5; Threshold = 0
    >>> pdb.plug_in_unsharp_mask(theImage, SharpenLayer, 5.0, 0.5, 0)

    comment>Adjust the opacity based on Property EnhanceContrastLevel
    >>> SharpenLayer.opacity = 75.0
    >>> ContrastLevel = str(theImage.parasite_find('EnhanceContrastLevel'))
    >>> if (ContrastLevel == 'EXTRA'): SharpenLayer.opacity = 100.0
    >>> if (ContrastLevel == 'NORMAL'): SharpenLayer.opacity = 75.0
    >>> if (ContrastLevel == 'MID'): SharpenLayer.opacity = 50.0
    >>> if (ContrastLevel == 'NONE'): SharpenLayer.opacity = 0.0

step>ColorAdjust
#step>Finished
    comment>Merge the work layers together and raise the color layer to the top
    comment>First the Retinex layer
    >>> RetinexLayer = pdb.gimp_image_get_layer_by_name(theImage, 'Retinex')
    >>> templayer = pdb.gimp_image_merge_down(theImage, RetinexLayer, EXPAND_AS_NECESSARY)

    comment>Then the Sharpen Layer
    >>> SharpenLayer = pdb.gimp_image_get_layer_by_name(theImage, 'Sharpen')
    >>> newLayer = pdb.gimp_image_merge_down(theImage, SharpenLayer, EXPAND_AS_NECESSARY)
    >>> newLayer.name = 'Contrast'
    comment>Desaturate the resultant layer
    >>> pdb.gimp_desaturate_full(newLayer, DESATURATE_LUMINOSITY)

    comment>Now grab the color layer and move it to the top
    >>> ColorLayer = pdb.gimp_image_get_layer_by_name(theImage, 'ColorLayer')
    >>> pdb.gimp_image_raise_item_to_top(theImage, ColorLayer)
    >>> ColorLayer.opacity = 80.0

    comment>Copy the Color Layer, call it ColorAdd, set opacity to 20%.  Adjust by hand as needed.
    >>> ColorAdd = pdb.gimp_layer_copy(ColorLayer, FALSE)
    >>> theImage.add_layer(ColorAdd, 0)
    >>> ColorAdd.name = 'ColorAdd'

    comment>Take a shot at adjusting the Color Layer based on Property EnhanceColorLevel
    >>> ColorLevel = str(theImage.parasite_find('EnhanceColorLevel'))
    comment>Set Color level opacity, first setting is default - if clauses fail.
    >>> ColorAdd.opacity = 20.0
    >>> if (ColorLevel == 'EXTRA'): ColorAdd.opacity = 60.0
    >>> if (ColorLevel == 'NORMAL'): ColorAdd.opacity = 40.0
    >>> if (ColorLevel == 'MID'): ColorAdd.opacity = 20.0
    >>> if (ColorLevel == 'NONE'): ColorAdd.opacity = 0.0