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PHOTOMOD 5.3 GeoMosaic Images menu Purpose Delete pyramids This menu item allows to delete all pyramids, created for loaded images (all pyramids are deleted from the Pyramid folder during this process) Transparent background color › Auto Allows to assign images background color automatically (including also different background colors of different project images) and to set up transparency Transparent background color › White This menu item allows to set the transparency for the white images background color Transparent background color › Black This menu item allows to set the transparency for the black images background color Transparent background color › None Allows to cancel transparency setting for images background color 9. Cutlines creation The stage of cutlines creation (vector polygons defining the images area, which will be included in output mosaic) follows after the forming the block images of the mosaic project. The Cutlines vector layer is provided for cutlines creation. Combination of automatic and manual cutlines creation, with clouds selection, optional use of DEM, as well as definition of the cutlines type by attributes provide high quality the stitching of the areas during the output mosaic creation. There is no need to create cutlines when you process block of images, which boundaries are docking, i.e. images blocks without overlaps and “gaps”. In order to create mosaics using such images you should perform the following actions: setup transparency of input background color, split into sheets, setup mosaics parameters and create output mosaics sheets. Performing the following steps is recommended for the cutlines creation: 1. [optional] Creating areas without background and areas with clouds. 2. Automatic cutlines creation. 3. Editing cutlines: manual editing of vector polygons and their attributes in the Cutlines layer. Current section contains the following information: • Requirements of the cutlines creation; • Creation/specification of areas on images without background to create cutlines; • Creation areas with clouds in order to consider them during cutlines creation; • Automatic cutlines creation; • Creation/editing cutlines; 21