CollectImages : Fix out of bound tile access
CollectImages : Fix out of bound tile access

boberfly/gaffer,boberfly/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,hradec/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,johnhaddon/gaffer,hradec/gaffer,hradec/gaffer,johnhaddon/gaffer,boberfly/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,ivanimanishi/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,hradec/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,johnhaddon/gaffer,boberfly/gaffer,appleseedhq/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,hradec/gaffer