SPOT 4.1 Basic and Advanced Software Manual for SPOT Insight ...

Ch. 8 - Viewing, Editing, and Annotating Images1. From the Edit menu, select Adjust HSL, Adjust Luminance (multiplicative) or Adjust HSV, AdjustValue (multiplicative):The Modify Main Image box is checked as a default.2. Change the Luminance or Value of the image. Use the slider bar to specify a number between 0(darkest) and 5 (brightest).3. Click on OK. The new image appears on-screen.Adjust Contrast (RGB)Use Adjust Contrast to exaggerate or subdue the differences between the bright and dark areas in an image.The Adjust Contrast option, when accessed from the Adjust RGB menu item, enables you to makeadjustments to the red, green, and blue values either together, or as individual units.To adjust the contrast in an image, follow these steps:1. From the Edit menu, select Adjust RGB and Adjust Contrast. The Contrast Adjust window appears.The Lock RGB and Modify Main Image boxes are checked as defaults. To adjust the RGB valuesindividually, deselect the Lock RGB box.2. Change the contrast of the image.−−To change the contrastequally for red, green,and blue values, ensurethat the Lock RGB box ischecked, and either entera number in any one ofthe three boxes, or use aslider bar to specify anumber between 0 (puregray - no contrast) and 5(maximum contrast).To modify an image'scontrast by specifyingseparate red, green, and blue values, deselect the Lock RGB box, and enter a value for each color.3. Click on OK. The new image appears on-screen.Adjust Contrast (HSL)Adjust Contrast (HSV)The Adjust Contrast (HSL) and Adjust Contrast (HSV) options, like the Adjust Contrast (RGB) option,exaggerate or subdue the differences between the bright and dark areas in an image. Unlike the AdjustUser Guide to the SPOT Insight Camera 147