====== RGBA map brush ====== The 'RGBA map brush' window is activated by selecting the '//Tools->RGBA brush//' option in the menu or by viewing a RGBA map layer (e.g. alpha map), and then clicking on the 'edit active map layer' toolbar icon shown below:

| {{:l3dt:userguide:tools:editactive.png}} ^ The 'edit active map layer' icon. ^

| {{ l3dt:userguide:dialogs:rgba_brush.png }} | {{ l3dt:userguide:dialogs:rgba_brush2.png }} | ^ Decimal mode ^ Hexadecimal mode ^

Left-clicking and dragging the mouse around on the RGBA map will apply the setting from this window. If you change the mouse mode (e.g. to zoom, etc.), you can re-activate this tool by left-clicking within the window.