.. index:: ! psmask .. include:: module_core_purpose.rst_ ****** psmask ****** |psmask_purpose| Synopsis -------- .. include:: common_SYN_OPTs.rst_ **gmt psmask** [ *table* ] |SYN_OPT-I| |-J|\ *parameters* |SYN_OPT-R| [ |SYN_OPT-B| ] [ |-C| ] [ |-D|\ *dumpfile* ] [ |-F|\ [**l**\|\ **r**] ] [ |-G|\ *fill* ] [ |-K| ] [ |-L|\ *nodegrid*\ [**+i**\|\ **o**] ] [ |-N| ] [ |-O| ] [ |-P| ] [ |-Q|\ *cut* ] [ |-S|\ *radius* ] [ |-T| ] [ |SYN_OPT-U| ] [ |SYN_OPT-V| ] [ |SYN_OPT-X| ] [ |SYN_OPT-Y| ] [ |SYN_OPT-bi| ] [ |SYN_OPT-di| ] [ |SYN_OPT-e| ] [ |SYN_OPT-h| ] [ |SYN_OPT-i| ] [ |SYN_OPT-p| ] [ |SYN_OPT-qi| ] [ |SYN_OPT-r| ] [ |SYN_OPT-t| ] [ |SYN_OPT-w| ] [ |SYN_OPT-:| ] [ |SYN_OPT--| ] **psmask** |-C| [ |-K| ] [ |-O| ] .. include:: mask.rst :start-after: .. module_common_begins :end-before: .. module_common_ends .. include:: common_classic.rst_ Examples -------- .. include:: explain_example.rst_ To make an overlay that will mask out the regions of a contour map where there is no control data using clip polygons, use: :: gmt psmask africa_grav.xyg -R20/40/20/40 -I5m -JM10i -O -K > mask.ps We do it again, but this time we wish to save the clipping polygons to file all_pols.txt: :: gmt psmask africa_grav.xyg -R20/40/20/40 -I5m -Dall_pols.txt A repeat of the first example but this time we use white tiling: :: gmt psmask africa_grav.xyg -R20/40/20/40 -I5m -JM10i -T -O -K -Gwhite > mask.ps See Also -------- :doc:`gmt`, :doc:`gmtcolors`, :doc:`grdmask`, :doc:`surface`, :doc:`psbasemap`, :doc:`psclip`