The required argument controls the placement of labels along the quoted Left ( -Fl ) or right ( -Fr) as we move along the contour F Force dumped contours to be oriented so that higher z-values are to the To individual files see manual page for more examples. Separate segments into one file per contour level, and %d would write all segments. The desired number of output files (e.g., just %c gives two files, just %f would. The 1-3 specifiers may be combined and appear in any order to produce the If an char format (%c) is found we substitute C or O for closed and open contours. If an integer format (e.g., %06d) is found we substitute a running segment count. If a float format (e.g., %6.2f) is found we substitute the contour z-value. If filename has no specifiers then we write all lines to a single file. If no filename template is given we write all lines to stdout. D template Dump contours as data line segments no plotting takes place.Īppend filename template which may contain C-format specifiers. ) Set map boundary frame and axes attributes. += prefix Prepends prefix to all contour labels. +w Specifies how many ( x, y) points will be used to estimate +v Specifies curved labels following the contour [Default is straight If z is appended we use the z-unit from the grdfile. +u unit Appends unit to all contour labels. +t Saves contour label x, y, angle, and text to file. +r min_rad Will not place labels where the contours’s radius of curvature is Optionally specify pen for outline. Not applicable for curved text ( +v) and only makes sense for Orientation of the contour use +N to force increments in the IncrementsĪre considered in the coordinate system defined by the +n dx Nudges the placement of labels by the specified amount (appendĬ| i| p to specify the units). +f font Sets the desired font [Default FONT_ANNOT_PRIMARY with its Is in effect, then turning of clipping with psclip -Cs whichįinally plots the original text. This is used to build a clip pathīased on the text, then lay down other overlays while that clip path +d Turns on debug which will draw helper points and lines to illustrate AppendĬ| i| p to specify the unit or % to indicate a +c dx Sets the clearance between label and optional text box. For +ap, you may optionallyĪppend u for up-hill and d for down-hill cartographic annotations. +a angle For annotations at a fixed angle, +an for contour-normal, or If a file is given and -T is set, then only contours marked with If -A is set and -C is not, then the contour interval is setĮqual to the specified annotation interval. A+10 -C+5’ that plots an annotated 10 contour and an non-annotated 5 contour. Plot a single annotated contour and another single non-annotated contour,Īs in ‘. Option offers the same possibility so they may be used together to However, if prepended with the + sign theĬont_int is taken as meaning draw that single contour. If no file is found, then cont_int is interpreted as aĬonstant contour interval.Optionally, a third column mayīe present and contain the fixed annotation angle for this contour The levels marked C (or c) are contoured, the levels marked A If cont_int is a file but not a CPT, it is expected toĬol 2.By default all contours are labeled use -A- to If the CPT hasĪnnotation flags in the last column then those contours will beĪnnotated. The colorīoundaries are then used as contour levels. If cont_int has the suffix ”.cpt” and can be opened as aįile, it is assumed to be a CPT.The contours to be drawn may be specified in one of three possible ways: Required Arguments ¶ grid 2-D gridded data set to be contoured.
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