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psxyz.c
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psxyz.c
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/*--------------------------------------------------------------------
*
* Copyright (c) 1991-2023 by the GMT Team (https://www.generic-mapping-tools.org/team.html)
* See LICENSE.TXT file for copying and redistribution conditions.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3 or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* Contact info: www.generic-mapping-tools.org
*--------------------------------------------------------------------*/
/*
* Author: Paul Wessel
* Date: 1-JAN-2010
* Version: 6 API
*
* Brief synopsis: psxyz will read <x,y,z> triplets and plot symbols, lines,
* or polygons in a 3-D perspective view.
*
* Note on KEYS: S?(=2 means if -S~|q then we may possibly take optional crossing line file, else the ? is set to ! for skipping it.
* The "2" means we must skip two characters (q|~ and f|x) before finding the dataset file name
*/
#include "gmt_dev.h"
#include "longopt/psxyz_inc.h"
#define THIS_MODULE_CLASSIC_NAME "psxyz"
#define THIS_MODULE_MODERN_NAME "plot3d"
#define THIS_MODULE_LIB "core"
#define THIS_MODULE_PURPOSE "Plot lines, polygons, and symbols in 3-D"
#define THIS_MODULE_KEYS "<D{,CC(,T-<,S?(=2,ZD(,>X}"
#define THIS_MODULE_NEEDS "Jd"
#define THIS_MODULE_OPTIONS "-:>BJKOPRUVXYabdefghilpqtwxy" GMT_OPT("EMmc")
/* Control structure for psxyz */
struct PSXYZ_CTRL {
struct PSXYZ_A { /* -A[m|y|p|x|r|t|step] */
bool active;
unsigned int mode;
double step;
} A;
struct PSXYZ_C { /* -C<cpt> or -C<color1>,<color2>[,<color3>,...] */
bool active;
char *file;
} C;
struct PSXYZ_D { /* -D<dx>/<dy>[/<dz>] */
bool active;
double dx, dy, dz;
} D;
struct PSXYZ_G { /* -G<fill>|+z */
bool active;
bool set_color;
unsigned int sequential;
struct GMT_FILL fill;
} G;
struct PSXYZ_H { /* -H read overall scaling factor for symbol size and pen width */
bool active;
unsigned int mode;
double value;
} H;
struct PSXYZ_I { /* -I[<intensity>] */
bool active;
unsigned int mode; /* 0 if constant, 1 if read from file (symbols only) */
double value;
} I;
struct PSXYZ_L { /* -L[+xl|r|x0][+yb|t|y0][+e|E][+p<pen>] */
bool active;
bool polygon; /* true when just -L is given */
int outline; /* 1 when +p<pen> is given */
unsigned int mode; /* Which side for the anchor */
unsigned int anchor; /* 0 not used, 1 = x anchors, 2 = y anchors, 3 = +/-dy, 4 = -dy1, +dy2 */
double value;
struct GMT_PEN pen;
} L;
struct PSXYZ_N { /* -N[r|c] */
bool active;
unsigned int mode;
} N;
struct PSXYZ_Q { /* -Q */
bool active;
} Q;
struct PSXYZ_S { /* -S */
bool active;
char *arg;
} S;
struct PSXYZ_T { /* -T */
bool active;
} T;
struct PSXYZ_W { /* -W<pen>[+c[l|f]][+o<offset>][+s][+v[b|e]<size><vecargs>][+z] */
bool active;
bool cpt_effect;
bool set_color;
unsigned int sequential;
struct GMT_PEN pen;
} W;
struct PSXYZ_Z { /* -Z<value>[+t|T] */
bool active;
unsigned set_transp;
double value;
char *file;
} Z;
};
enum Psxyz_poltype {
PSXYZ_POL_X = 1,
PSXYZ_POL_Y,
PSXYZ_POL_SYMM_DEV,
PSXYZ_POL_ASYMM_DEV,
PSXYZ_POL_ASYMM_ENV};
enum Psxyz_cliptype {
PSXYZ_CLIP_REPEAT = 0,
PSXYZ_CLIP_NO_REPEAT,
PSXYZ_NO_CLIP_REPEAT,
PSXYZ_NO_CLIP_NO_REPEAT};
enum Psxyz_scaletype {
PSXYZ_READ_SCALE = 0,
PSXYZ_CONST_SCALE = 1};
struct PSXYZ_DATA {
int symbol, outline;
unsigned int flag; /* 1 = convert azimuth, 2 = use geo-functions, 4 = x-base in units, 8 y-base in units */
double x, y, z, dim[PSL_MAX_DIMS], dist[2], transparency[2];
double *zz; /* For column symbol if +z<n> in effect */
struct GMT_FILL f;
struct GMT_PEN p, h;
struct GMT_VECT_ATTR v;
char *string;
struct GMT_CUSTOM_SYMBOL *custom;
};
GMT_LOCAL bool psxyz_is_stroke_symbol (int symbol) {
/* Return true if cross, x, y, - symbols */
if (symbol == PSL_CROSS) return true;
if (symbol == PSL_XDASH) return true;
if (symbol == PSL_YDASH) return true;
if (symbol == PSL_PLUS) return true;
return false;
}
static void *New_Ctrl (struct GMT_CTRL *GMT) { /* Allocate and initialize a new control structure */
struct PSXYZ_CTRL *C;
C = gmt_M_memory (GMT, NULL, 1, struct PSXYZ_CTRL);
/* Initialize values whose defaults are not 0/false/NULL */
C->W.pen = GMT->current.setting.map_default_pen;
gmt_init_fill (GMT, &C->G.fill, -1.0, -1.0, -1.0); /* Default is no fill */
C->A.step = GMT->current.setting.map_line_step;
C->N.mode = PSXYZ_CLIP_REPEAT;
return (C);
}
static void Free_Ctrl (struct GMT_CTRL *GMT, struct PSXYZ_CTRL *C) { /* Deallocate control structure */
if (!C) return;
gmt_M_str_free (C->C.file);
gmt_M_str_free (C->S.arg);
gmt_M_free (GMT, C);
}
static int usage (struct GMTAPI_CTRL *API, int level) {
/* This displays the psxyz synopsis and optionally full usage information */
const char *name = gmt_show_name_and_purpose (API, THIS_MODULE_LIB, THIS_MODULE_CLASSIC_NAME, THIS_MODULE_PURPOSE);
const char *mod_name = &name[4]; /* To skip the leading gmt for usage messages */
const char *T[2] = {" [-T]", ""};
if (level == GMT_MODULE_PURPOSE) return (GMT_NOERROR);
GMT_Usage (API, 0, "usage: %s [<table>] %s %s [%s] [%s] [-A[m|p|r|t|x|y]] [-C<cpt>] [-D<dx>/<dy>[/<dz>]] [-G<fill>] "
"[-H[<scale>]] [-I[<intens>]] %s [%s] [-N[c|r]] %s %s[-Q] [-S[<symbol>][<size>][/size_y]]%s [%s] [%s] [-W[<pen>][<attr>]] "
"[%s] [%s] [-Z<value>|<file>[+t|T]] [%s] [%s] %s[%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s]\n",
name, GMT_J_OPT, GMT_Rgeoz_OPT, GMT_B_OPT, GMT_Jz_OPT, API->K_OPT, PLOT_L_OPT, API->O_OPT, API->P_OPT,
T[API->GMT->current.setting.run_mode], GMT_U_OPT, GMT_V_OPT, GMT_X_OPT, GMT_Y_OPT, GMT_a_OPT, GMT_bi_OPT,
API->c_OPT, GMT_di_OPT, GMT_e_OPT, GMT_f_OPT, GMT_g_OPT, GMT_h_OPT, GMT_i_OPT, GMT_l_OPT, GMT_p_OPT,
GMT_qi_OPT, GMT_tv_OPT, GMT_w_OPT, GMT_colon_OPT, GMT_PAR_OPT);
if (level == GMT_SYNOPSIS) return (GMT_MODULE_SYNOPSIS);
GMT_Message (API, GMT_TIME_NONE, " REQUIRED ARGUMENTS:\n");
GMT_Option (API, "<,J-Z,R3");
GMT_Message (API, GMT_TIME_NONE, "\n OPTIONAL ARGUMENTS:\n");
GMT_Option (API, "B-");
GMT_Usage (API, 1, "\n-A[m|p|r|t|x|y]");
GMT_Usage (API, -2, "Suppress drawing geographic line segments as great circle arcs, i.e., draw "
"straight lines instead. Six optional directives instead convert paths to staircase curves:");
GMT_Usage (API, 3, "m: First follow meridians, then parallels when connecting geographic points.");
GMT_Usage (API, 3, "p: First follow parallels, then meridians when connecting geographic point.");
GMT_Usage (API, 3, "r: First follow radius, then theta for staircase curves for Polar projection.");
GMT_Usage (API, 3, "t: First follow theta, then radius for staircase curves for Polar projection.");
GMT_Usage (API, 3, "x: First follow x, then y for staircase curves for Cartesian projections.");
GMT_Usage (API, 3, "y: First follow y, then x for staircase curves for Cartesian projections.");
GMT_Usage (API, 1, "\n-C<cpt>|<color1>,<color2>[,<color3>,...]");
GMT_Usage (API, -2, "Assign symbol colors based on z-value in 3rd column. "
"Note: requires -S. Without -S, %s excepts lines/polygons "
"and looks for -Z<value> options in each segment header. Then, color is "
"applied for polygon fill (-L) or polygon pen (no -L).", mod_name);
GMT_Usage (API, 1, "\n-D<dx>/<dy>.");
GMT_Usage (API, -2, "Offset symbol or line positions by <dx>/<dy> [no offset].");
gmt_fill_syntax (API->GMT, 'G', NULL, "Specify color or pattern [Default is no fill].");
GMT_Usage (API, -2, "The -G option can be present in all segment headers (not with -S). "
"To assign fill color via -Z, give -G+z).");
GMT_Usage (API, 1, "\n-H[<scale>]");
GMT_Usage (API, -2, "Scale symbol sizes (set via -S or input column) by factors read from scale column. "
"The scale column follows the symbol size column. Alternatively, append a fixed <scale>.");
GMT_Usage (API, 1, "\n-I[<intens>]");
GMT_Usage (API, -2, "Use the intensity to modulate the fill color (requires -C or -G). "
"If no intensity is given we expect it to follow symbol size in the data record.");
GMT_Option (API, "K");
GMT_Usage (API, 1, "\n%s", PLOT_L_OPT);
GMT_Usage (API, -2, "Force closed polygons, or append modifiers to build polygon from a line:");
GMT_Usage (API, 3, "+d Symmetrical envelope around y(x) using deviations dy(x) from col 4.");
GMT_Usage (API, 3, "+D Asymmetrical envelope around y(x) using deviations dy1(x) and dy2(x) from cols 4-5.");
GMT_Usage (API, 3, "+b Asymmetrical envelope around y(x) using bounds yl(x) and yh(x) from cols 4-5.");
GMT_Usage (API, 3, "+x Connect 1st and last point to anchor points at l (xmin), r (xmax), or x0.");
GMT_Usage (API, 3, "+y Connect 1st and last point to anchor points at b (ymin), t (ymax), or y0.");
GMT_Usage (API, 3, "+p Draw polygon outline with <pen> [no outline].");
GMT_Usage (API, -2, "The polygon created may be painted via -G.");
GMT_Usage (API, 1, "\n-N[c|r]");
GMT_Usage (API, -2, "Do Not skip or clip symbols that fall outside the map border [clipping is on]:");
GMT_Usage (API, 3, "r: Turn off clipping and plot repeating symbols for periodic maps.");
GMT_Usage (API, 3, "c: Retain clipping but turn off plotting of repeating symbols for periodic maps.");
GMT_Usage (API, -2, "[Default will clip or skip symbols that fall outside and plot repeating symbols].");
GMT_Usage (API, -2, "Note: May also be used with lines or polygons but no periodicity will be honored.");
GMT_Option (API, "O,P");
GMT_Usage (API, 1, "\n-Q Do NOT sort symbols based on distance to viewer before plotting.");
GMT_Usage (API, 1, "\n-S[<symbol>][<size>]");
GMT_Usage (API, -2, "Select symbol type and symbol size (in %s). Choose from these symbols:",
API->GMT->session.unit_name[API->GMT->current.setting.proj_length_unit]);
GMT_Usage (API, 2, "\n%s Basic geometric symbol. Append one:", GMT_LINE_BULLET);
GMT_Usage (API, -3, "-(xdash), +(plus), st(a)r, (b|B)ar, (c)ircle, (d)iamond, (e)llipse, "
"(f)ront, octa(g)on, (h)exagon (i)nvtriangle, (j)rotated rectangle, "
"(k)ustom, (l)etter, (m)athangle, pe(n)tagon, c(o)lumn, (p)oint, "
"(q)uoted line, (r)ectangle, (R)ounded rectangle, (s)quare, (t)riangle, "
"c(u)be, (v)ector, (w)edge, (x)cross, (y)dash, (z)dash, or "
"=(geovector, i.e., great or small circle vectors).");
GMT_Usage (API, -3, "If no size is specified, then the 4th column must have sizes. "
"If no symbol is specified, then the last column must have symbol codes. "
"[Note: if -C is selected then 4th means 5th column, etc.]. "
"Both column and cube are true 3-D objects (give size as xsize/ysize); "
"all other symbols are shown in 2-D perspective only. "
"By default, the 3-D symbols column and cube are shaded; "
"use upper case O and U to disable this 3-D illumination. "
"Symbols A, C, D, F, H, I, N, S, T are adjusted to have same area "
"of a circle of given diameter.");
GMT_Usage (API, 2, "\n%s Bar: Append +b[<base>] to give the y- (or z-) value of the base [Default = 0 (1 for log-scales)]. "
"Use -SB for horizontal bars; then <base> value refers to the x location.", GMT_LINE_BULLET);
GMT_Usage (API, 3, "+B Heights are measured relative to <base> [relative to origin].");
GMT_Usage (API, 3, "+b Set <base>. Alternatively, leave <base> off to read it from file.");
GMT_Usage (API, 3, "+i Increments are given instead or values for multiband bars.");
GMT_Usage (API, 3, "+s Side-by-side placement of multiband bars [stacked multiband bars]. "
"Optionally, append <gap> between bars in fraction (or percent) of <size> [no gap].");
GMT_Usage (API, 3, "+v For multi-band bars, append <nbands>; then <nbands> values will "
"be read from file instead of just one.");
GMT_Usage (API, -3, "Multiband bars requires -C with one color per band (values 0, 1, ...). "
"For -SB the input band values are x (or dx) values instead of y (or dy). ");
GMT_Usage (API, 2, "\n%s 3-D Column: Append +b[<base>] to give the z-value of the base of the column "
"[Default = 0 (1 for log-scales)].", GMT_LINE_BULLET);
GMT_Usage (API, 3, "+B Heights are measured relative to <base> [relative to origin].");
GMT_Usage (API, 3, "+b Set <base>. Alternatively, leave <base> off to read it from file.");
GMT_Usage (API, 3, "+v For multi-band columns, append <nbands>; then <nbands> z-values will "
"be read from file instead of just one.");
GMT_Usage (API, 3, "+i Increments dz are given instead or values for multiband bars.");
GMT_Usage (API, -3, "Multiband columns requires -C with one color per band (values 0, 1, ...).");
GMT_Usage (API, 2, "\n%s 3-D Cube: Give <size> as the length of all sides; append q if <size> "
"is a quantity in x-units.", GMT_LINE_BULLET);
GMT_Usage (API, 2, "\n%s Ellipse: If not given, we read direction, major, and minor axis from columns 4-6. "
"If -SE rather than -Se is selected, %s will expect azimuth, and "
"axes [in km], and convert azimuths based on map projection. "
"Use -SE- for a degenerate ellipse (circle) with only diameter in km given. "
"in column 4, or append a fixed diameter in km to -SE instead. "
"Append any of the units in %s to the axes, and "
"if reading dimensions from file, just append the unit [Default is k]. "
"For a linear projection and -SE we scale the axes by the map scale.", GMT_LINE_BULLET, GMT_LEN_UNITS_DISPLAY, mod_name);
GMT_Usage (API, 2, "\n%s Rotatable Rectangle: If not given, we read direction, width and height from columns 4-6. "
"If -SJ rather than -Sj is selected, %s will expect azimuth, and "
"dimensions [in km] and convert azimuths based on map projection. "
"Use -SJ- for a degenerate rectangle (square w/no rotation) with only one dimension given "
"in column 4, or append a fixed dimension to -SJ instead. "
"Append any of the units in %s to the axes, and "
"if reading dimensions from file, just append the unit [Default is k]. "
"For a linear projection and -SJ we scale dimensions by the map scale.", GMT_LINE_BULLET, mod_name, GMT_LEN_UNITS_DISPLAY);
GMT_Usage (API, 2, "\n%s Front: -Sf<spacing>[/<ticklen>][+r+l][+f+t+s+c+b][+o<offset>][+p<pen>]", GMT_LINE_BULLET);
GMT_Usage (API, -3, "If <spacing> is negative it means the number of gaps instead. "
"If <spacing> has a leading + then <spacing> is used exactly [adjusted to fit line length]. "
"If not given, <ticklen> defaults to 15%% of <spacing>. Append various modifiers:");
GMT_Usage (API, 3, "+l Plot symbol to the left of the front [centered].");
GMT_Usage (API, 3, "+r Plot symbol to the right of the front [centered].");
GMT_Usage (API, 3, "+i Make main front line invisible [drawn using pen settings from -W].");
GMT_Usage (API, 3, "+b Plot square when centered, half-square otherwise.");
GMT_Usage (API, 3, "+c Plot full circle when centered, half-circle otherwise.");
GMT_Usage (API, 3, "+f Plot centered cross-tick or tick only in specified direction [Default].");
GMT_Usage (API, 3, "+s Plot left-or right-lateral strike-slip arrows. Optionally append the arrow angle [20].");
GMT_Usage (API, 3, "+S Same as +s but with curved arrow-heads.");
GMT_Usage (API, 3, "+t diagonal square when centered, directed triangle otherwise.");
GMT_Usage (API, 3, "+o Plot first symbol when along-front distance is <offset> [0].");
GMT_Usage (API, 3, "+p Append <pen> for front symbol outline; if no <pen> then no outline [Outline with -W pen].");
GMT_Usage (API, -3, "Only one of +b|c|f|i|s|S|t may be selected.");
GMT_Usage (API, 2, "\n%s Kustom: -Sk|K<symbolname>[/<size>]", GMT_LINE_BULLET);
GMT_Usage (API, -3, "Append <symbolname> immediately after 'k|K'; this will look for "
"<symbolname>.def or <symbolname>.eps in the current directory, in $GMT_USERDIR, "
"or in $GMT_SHAREDIR (searched in that order). Give full path if located elsewhere. "
"Use upper case 'K' if your custom symbol refers a variable symbol, ?.");
gmt_list_custom_symbols (API->GMT);
GMT_Usage (API, 2, "\n%s Letter: -Sl[<size>]+t<string>[a|A<angle>][+f<font>][+j<justify]", GMT_LINE_BULLET);
GMT_Usage (API, -3, "Specify <size> of letter; append required and optional modifiers:");
GMT_Usage (API, 3, "+t Specify <string> to use (required).");
GMT_Usage (API, 3, "+a Set text angle relative to horizontal [0]. Use +A if map azimuth.");
GMT_Usage (API, 3, "+f Set specific <font> for text placement [FONT_ANNOT_PRIMARY].");
GMT_Usage (API, 3, "+j Change the text justification via <justify> [CM].");
GMT_Usage (API, 2, "\n%s Mathangle: radius, start, and stop directions of math angle must be in columns 4-5. "
"If -SM rather than -Sm is used, we draw straight angle symbol if 90 degrees.", GMT_LINE_BULLET);
gmt_vector_syntax (API->GMT, 0, 3);
GMT_Usage (API, 2, "\n%s Quoted line (z must be constant): -Sq[d|n|l|s|x]<info>[:<labelinfo>]" ,GMT_LINE_BULLET);
GMT_Usage (API, -3, "The <code><info> settings control placement of labels along lines. Select from these codes:");
gmt_cont_syntax (API->GMT, 3, 1);
GMT_Usage (API, 3, "<labelinfo> controls the label attributes. Choose from these choices:");
gmt_label_syntax (API->GMT, 2, 1);
GMT_Usage (API, 2, "\n%s Rectangle: If not given, the x- and y-dimensions must be in columns 4-5. "
"Append +s if instead the diagonal corner coordinates are given in columns 4-5.", GMT_LINE_BULLET);
GMT_Usage (API, 2, "\n%s Rounded rectangle: If not given, the x- and y-dimensions and corner radius must be in columns 4-6.", GMT_LINE_BULLET);
GMT_Usage (API, 2, "\n%s Vector: -Sv|V<size>[+a<angle>][+b][+e][+h<shape>][+j<just>][+l][+m][+n[<norm>[/<min>]]][+o<lon>/<lat>][+q][+r][+s][+t[b|e]<trim>][+z]", GMT_LINE_BULLET);
GMT_Usage (API, -3, "Direction and length must be in columns 4-5. "
"If -SV rather than -Sv is selected, %s will expect azimuth and "
"length and convert azimuths based on the chosen map projection.", mod_name);
gmt_vector_syntax (API->GMT, 19, 3);
GMT_Usage (API, 2, "\n%s Wedge: -Sw|W[<outerdiameter>[/<startdir>/<stopdir>]][+a[<dr>][+i<inner_diameter>][+r[<da>]]]", GMT_LINE_BULLET);
GMT_Usage (API, -3, "Append [<outerdiameter>[<startdir><stopdir>]] or we read these parameters from file from column 4. "
"If -SW rather than -Sw is selected, specify two azimuths instead of directions. "
"-SW: Specify <outerdiameter><unit> with units either from %s or %s [Default is k]. "
"-Sw: Specify <outerdiameter><unit> with units from %s [Default is %s].", GMT_LEN_UNITS_DISPLAY, GMT_DIM_UNITS_DISPLAY, GMT_DIM_UNITS_DISPLAY,
API->GMT->session.unit_name[API->GMT->current.setting.proj_length_unit]);
GMT_Usage (API, 3, "+a Just draw arc(s), optionally specify <dr> increment [wedge].");
GMT_Usage (API, 3, "+i Append nonzero <innerdiameter>; we read it from file if not appended.");
GMT_Usage (API, 3, "+r Just draw radial lines, optionally specify <da> increment [wedge].");
GMT_Usage (API, 2, "\n%s Geovector: -S=<size>[+a<angle>][+b][+e][+h<shape>][+j<just>][+l][+m][+n[<norm>[/<min>]]][+o<lon>/<lat>][+q][+r][+s][+t[b|e]<trim>][+z]", GMT_LINE_BULLET);
GMT_Usage (API, -3, "Azimuth and length must be in columns 4-5. "
"Append any of the units in %s to length [k].", GMT_LEN_UNITS_DISPLAY);
gmt_vector_syntax (API->GMT, 3+32, 3);
if (API->GMT->current.setting.run_mode == GMT_CLASSIC) /* -T has no purpose in modern mode */
GMT_Usage (API, 1, "\n-T Ignore all input files.");
GMT_Option (API, "U,V");
gmt_pen_syntax (API->GMT, 'W', NULL, "Set pen attributes [Default pen is %s].", NULL, 8);
GMT_Usage (API, 2, "To assign pen outline color via -Z, append +z.");
GMT_Option (API, "X");
GMT_Usage (API, 1, "\n-Z<value>|<file>[+t|T]");
GMT_Usage (API, -2, "Use <value> with -C<cpt> to determine <color> instead of via -G<color> or -W<pen>. "
"Use <file> to get per-line or polygon <values>. Two modifiers can also be used: ");
GMT_Usage (API, 3, "+t Expect transparency (0-100%%) instead of z-value in the last column of <file>.");
GMT_Usage (API, 3, "+T Expect both transparency (0-100%%) and z-value in last two columns of <file>.");
GMT_Usage (API, -2, "Control if the outline or fill (for polygons only) are affected: ");
GMT_Usage (API, 3, "%s To use <color> for fill, also select -G+z. ", GMT_LINE_BULLET);
GMT_Usage (API, 3, "%s To use <color> for an outline pen, also select -W<pen>+z.", GMT_LINE_BULLET);
GMT_Option (API, "a,bi");
if (gmt_M_showusage (API)) GMT_Usage (API, -2, "Default <ncols> is the required number of columns.");
GMT_Option (API, "c,di,e,f,g,h,i,l,p,qi,T,w,:,.");
return (GMT_MODULE_USAGE);
}
GMT_LOCAL unsigned int gmt_get_z_bands (struct GMTAPI_CTRL *API, struct PSXYZ_CTRL *Ctrl, char *text) {
unsigned int j = 0, n_errors = 0;
if (text[j] == '-') {Ctrl->W.pen.cptmode = 1; j++;}
if (text[j] == '+') {Ctrl->W.pen.cptmode = 3; j++;}
if (text[j] && gmt_getpen (API->GMT, &text[j], &Ctrl->W.pen)) {
gmt_pen_syntax (API->GMT, 'W', NULL, "sets pen attributes [Default pen is %s]:", NULL, 3);
GMT_Usage (API, 3, "+c Append l to apply cpt color (-C) to the pen only.");
GMT_Usage (API, 3, "+c Append f to apply cpt color (-C) to symbol fill.");
GMT_Usage (API, -2, "Give +c with no arguments for both effects [none].");
n_errors++;
}
return n_errors;
}
static int parse (struct GMT_CTRL *GMT, struct PSXYZ_CTRL *Ctrl, struct GMT_OPTION *options, struct GMT_SYMBOL *S) {
/* This parses the options provided to psxyz and sets parameters in Ctrl.
* Note Ctrl has already been initialized and non-zero default values set.
* Any GMT common options will override values set previously by other commands.
* It also replaces any file names specified as input or output with the data ID
* returned when registering these sources/destinations with the API.
*/
unsigned int n_errors = 0, ztype;
int n;
char txt_a[GMT_LEN256] = {""}, txt_b[GMT_LEN256] = {""}, txt_c[GMT_LEN256] = {""}, *c = NULL;
struct GMT_OPTION *opt = NULL;
struct GMTAPI_CTRL *API = GMT->parent;
for (opt = options; opt; opt = opt->next) { /* Process all the options given */
switch (opt->option) {
case '<': /* Skip input files after checking they exist */
if (GMT_Get_FilePath (API, GMT_IS_DATASET, GMT_IN, GMT_FILE_REMOTE, &(opt->arg))) n_errors++;
break;
/* Processes program-specific parameters */
case 'A': /* Turn off draw_arc mode */
n_errors += gmt_M_repeated_module_option (API, Ctrl->A.active);
switch (opt->arg[0]) {
case 'm': case 'y': case 'r': Ctrl->A.mode = GMT_STAIRS_Y; break;
case 'p': case 'x': case 't': Ctrl->A.mode = GMT_STAIRS_X; break;
#ifdef DEBUG
default: Ctrl->A.step = atof (opt->arg); break; /* Undocumented test feature */
#endif
}
break;
case 'C': /* Vary symbol color with z */
n_errors += gmt_M_repeated_module_option (API, Ctrl->C.active);
gmt_M_str_free (Ctrl->C.file);
if (opt->arg[0]) Ctrl->C.file = strdup (opt->arg);
break;
case 'D':
n_errors += gmt_M_repeated_module_option (API, Ctrl->D.active);
if ((n = sscanf (opt->arg, "%[^/]/%[^/]/%s", txt_a, txt_b, txt_c)) < 2) {
GMT_Report (API, GMT_MSG_ERROR, "Option -D: Give x and y [and z] offsets\n");
n_errors++;
}
else {
Ctrl->D.dx = gmt_M_to_inch (GMT, txt_a);
Ctrl->D.dy = gmt_M_to_inch (GMT, txt_b);
if (n == 3) Ctrl->D.dz = gmt_M_to_inch (GMT, txt_c);
}
break;
case 'G': /* Set color for symbol or polygon */
n_errors += gmt_M_repeated_module_option (API, Ctrl->G.active);
if (strncmp (opt->arg, "+z", 2U) == 0)
Ctrl->G.set_color = true;
else if (!opt->arg[0] || gmt_getfill (GMT, opt->arg, &Ctrl->G.fill)) {
gmt_fill_syntax (GMT, 'G', NULL, " ");
n_errors++;
}
if (Ctrl->G.fill.rgb[0] < -4.0) Ctrl->G.sequential = irint (Ctrl->G.fill.rgb[0] + 7.0);
break;
case 'H': /* Overall symbol/pen scale column provided */
n_errors += gmt_M_repeated_module_option (API, Ctrl->H.active);
if (opt->arg[0]) { /* Gave a fixed scale - no reading from file */
Ctrl->H.value = atof (opt->arg);
Ctrl->H.mode = PSXYZ_CONST_SCALE;
}
break;
case 'I': /* Adjust symbol color via intensity */
n_errors += gmt_M_repeated_module_option (API, Ctrl->I.active);
if (opt->arg[0])
Ctrl->I.value = atof (opt->arg);
else
Ctrl->I.mode = 1;
break;
case 'L': /* Force closed polygons */
n_errors += gmt_M_repeated_module_option (API, Ctrl->L.active);
if ((c = strstr (opt->arg, "+b")) != NULL) /* Build asymmetric polygon from lower and upper bounds */
Ctrl->L.anchor = PSXYZ_POL_ASYMM_ENV;
else if ((c = strstr (opt->arg, "+d")) != NULL) /* Build symmetric polygon from deviations about y(x) */
Ctrl->L.anchor = PSXYZ_POL_SYMM_DEV;
else if ((c = strstr (opt->arg, "+D")) != NULL) /* Build asymmetric polygon from deviations about y(x) */
Ctrl->L.anchor = PSXYZ_POL_ASYMM_DEV;
else if ((c = strstr (opt->arg, "+x")) != NULL) { /* Parse x anchors for a polygon */
switch (c[2]) {
case 'l': Ctrl->L.mode = XLO; break; /* Left side anchors */
case 'r': Ctrl->L.mode = XHI; break; /* Right side anchors */
default: Ctrl->L.mode = ZLO; Ctrl->L.value = atof (&c[2]); break; /* Arbitrary x anchor */
}
Ctrl->L.anchor = PSXYZ_POL_X;
}
else if ((c = strstr (opt->arg, "+y")) != NULL) { /* Parse y anchors for a polygon */
switch (c[2]) {
case 'b': Ctrl->L.mode = YLO; break; /* Bottom side anchors */
case 't': Ctrl->L.mode = YHI; break; /* Top side anchors */
default: Ctrl->L.mode = ZHI; Ctrl->L.value = atof (&c[2]); break; /* Arbitrary y anchor */
}
Ctrl->L.anchor = PSXYZ_POL_Y;
}
else /* Just force a closed polygon */
Ctrl->L.polygon = true;
if ((c = strstr (opt->arg, "+p")) != NULL) { /* Want outline */
if (c[2] && gmt_getpen (GMT, &c[2], &Ctrl->L.pen)) {
gmt_pen_syntax (GMT, 'W', NULL, "sets pen attributes [no outline]", NULL, 0);
n_errors++;
}
Ctrl->L.outline = 1;
}
break;
case 'N': /* Do not clip to map */
n_errors += gmt_M_repeated_module_option (API, Ctrl->N.active);
if (opt->arg[0] == 'r') Ctrl->N.mode = PSXYZ_NO_CLIP_REPEAT;
else if (opt->arg[0] == 'c') Ctrl->N.mode = PSXYZ_CLIP_NO_REPEAT;
else if (opt->arg[0] == '\0') Ctrl->N.mode = PSXYZ_NO_CLIP_NO_REPEAT;
else {
GMT_Report (API, GMT_MSG_ERROR, "Option -N: Unrecognized argument %s\n", opt->arg);
n_errors++;
}
break;
case 'Q': /* Do not sort symbols based on distance */
n_errors += gmt_M_repeated_module_option (API, Ctrl->Q.active);
n_errors += gmt_get_no_argument (GMT, opt->arg, opt->option, 0);
break;
case 'S': /* Get symbol [and size] */
n_errors += gmt_M_repeated_module_option (API, Ctrl->S.active);
Ctrl->S.arg = strdup (opt->arg);
break;
case 'T': /* Skip all input files */
n_errors += gmt_M_repeated_module_option (API, Ctrl->T.active);
n_errors += gmt_get_no_argument (GMT, opt->arg, opt->option, 0);
break;
case 'W': /* Set line attributes */
n_errors += gmt_M_repeated_module_option (API, Ctrl->W.active);
if ((c = strstr (opt->arg, "+z"))) {
Ctrl->W.set_color = true;
c[0] = '\0'; /* Chop off this modifier */
}
if (opt->arg[0] == '-' || (opt->arg[0] == '+' && opt->arg[1] != 'c')) { /* Definitively old-style args */
if (gmt_M_compat_check (API->GMT, 5)) { /* Sorry */
GMT_Report (API, GMT_MSG_ERROR, "Your -W syntax is obsolete; see program usage.\n");
n_errors++;
}
else {
GMT_Report (API, GMT_MSG_ERROR, "Your -W syntax is obsolete; see program usage.\n");
n_errors += gmt_get_z_bands (API, Ctrl, opt->arg);
}
}
else if (opt->arg[0] && gmt_getpen (GMT, opt->arg, &Ctrl->W.pen)) {
gmt_pen_syntax (GMT, 'W', NULL, "sets pen attributes [Default pen is %s]:", NULL, 11);
n_errors++;
}
if (Ctrl->W.pen.cptmode) Ctrl->W.cpt_effect = true;
if (c) c[0] = '+'; /* Restore */
if (Ctrl->W.pen.rgb[0] < -4.0) Ctrl->W.sequential = irint (Ctrl->W.pen.rgb[0] + 7.0);
break;
case 'Z': /* Get value for CPT lookup */
n_errors += gmt_M_repeated_module_option (API, Ctrl->Z.active);
if ((c = strstr (opt->arg, "+t"))) {
Ctrl->Z.set_transp = 1;
c[0] = '\0'; /* Chop off this modifier */
}
else if ((c = strstr (opt->arg, "+T"))) {
Ctrl->Z.set_transp = 2;
c[0] = '\0'; /* Chop off this modifier */
}
if (gmt_not_numeric (GMT, opt->arg) && !gmt_access (GMT, opt->arg, R_OK)) { /* Got a file */
Ctrl->Z.file = strdup (opt->arg);
n_errors += gmt_M_check_condition (GMT, Ctrl->Z.file && gmt_access (GMT, Ctrl->Z.file, R_OK),
"Option -Z: Cannot read file %s!\n", Ctrl->Z.file);
}
else { /* Got a value */
ztype = (strchr (opt->arg, 'T')) ? GMT_IS_ABSTIME : gmt_M_type (GMT, GMT_IN, GMT_Z);
n_errors += gmt_verify_expectations (GMT, ztype, gmt_scanf_arg (GMT, opt->arg, ztype, false, &Ctrl->Z.value), opt->arg);
}
break;
default: /* Report bad options */
n_errors += gmt_default_option_error (GMT, opt);
break;
}
}
gmt_consider_current_cpt (API, &Ctrl->C.active, &(Ctrl->C.file));
if (Ctrl->T.active) GMT_Report (API, GMT_MSG_WARNING, "Option -T ignores all input files\n");
n_errors += gmt_M_check_condition (GMT, Ctrl->Z.active && Ctrl->Z.set_transp != 1 && !Ctrl->C.active, "Option -Z: No CPT given via -C\n");
n_errors += gmt_M_check_condition (GMT, Ctrl->C.active && (Ctrl->C.file == NULL || Ctrl->C.file[0] == '\0'), "Option -C: No CPT given\n");
n_errors += gmt_M_check_condition (GMT, !GMT->common.R.active[RSET], "Must specify -R option\n");
n_errors += gmt_M_check_condition (GMT, !GMT->common.J.active, "Must specify a map projection with the -J option\n");
n_errors += gmt_M_check_condition (GMT, Ctrl->S.active && gmt_parse_symbol_option (GMT, Ctrl->S.arg, S, 1, true), "Option -S: Parsing failure\n");
n_errors += gmt_M_check_condition (GMT, GMT->common.b.active[GMT_IN] && S->symbol == GMT_SYMBOL_NOT_SET, "Binary input data cannot have symbol information\n");
n_errors += gmt_M_check_condition (GMT, Ctrl->W.active && Ctrl->W.pen.cptmode && !Ctrl->C.active, "Option -W modifier +c requires the -C option\n");
n_errors += gmt_M_check_condition (GMT, Ctrl->L.anchor && (!Ctrl->G.active && !Ctrl->Z.active) && !Ctrl->L.outline, "Option -L<modifiers> must include +p<pen> if -G not given\n");
if (Ctrl->S.active && gmt_is_barcolumn (GMT, S)) {
n = gmt_get_columbar_bands (GMT, S);
n_errors += gmt_M_check_condition (GMT, n > 1 && !Ctrl->C.active, "Options -Sb|B|o|O with multiple layers require -C\n");
}
return (n_errors ? GMT_PARSE_ERROR : GMT_NOERROR);
}
GMT_LOCAL void psxyz_column3D (struct GMT_CTRL *GMT, struct PSL_CTRL *PSL, double x, double y, double z, double *dim, double rgb[3][4], int outline) {
int i, k;
double x_size, y_size, z_size, sign;
x_size = 0.5 * dim[0];
y_size = 0.5 * dim[1];
z_size = 0.5 * dim[2];
for (i = 0; i < 3; i++) {
sign = -1.0;
k = GMT->current.proj.z_project.face[i] / 2;
PSL_setfill (PSL, rgb[k], outline);
switch (GMT->current.proj.z_project.face[i]) {
case 0: /* yz plane positive side */
sign = 1.0;
/* Intentionally fall through - after flipping the sign */
case 1: /* negative side */
gmt_plane_perspective (GMT, GMT_X, x + sign * x_size);
PSL_plotbox (PSL, y - y_size, z - z_size, y + y_size, z + z_size);
break;
case 2: /* xz plane positive side */
sign = 1.0;
/* Intentionally fall through - after flipping the sign */
case 3: /* negative side */
gmt_plane_perspective (GMT, GMT_Y, y + sign * y_size);
PSL_plotbox (PSL, x - x_size, z - z_size, x + x_size, z + z_size);
break;
case 4: /* xy plane positive side */
sign = 1.0;
/* Intentionally fall through - after flipping the sign */
case 5: /* negative side */
gmt_plane_perspective (GMT, GMT_Z, z + sign * z_size);
PSL_plotbox (PSL, x - x_size, y - y_size, x + x_size, y + y_size);
break;
}
}
}
GMT_LOCAL int psxyz_dist_compare (const void *a, const void *b) {
if (((struct PSXYZ_DATA *)a)->dist[0] < ((struct PSXYZ_DATA *)b)->dist[0]) return (-1);
if (((struct PSXYZ_DATA *)a)->dist[0] > ((struct PSXYZ_DATA *)b)->dist[0]) return (1);
if (((struct PSXYZ_DATA *)a)->dist[1] < ((struct PSXYZ_DATA *)b)->dist[1]) return (-1);
if (((struct PSXYZ_DATA *)a)->dist[1] > ((struct PSXYZ_DATA *)b)->dist[1]) return (1);
#if defined(WIN32) || defined(__MINGW32__)
/* MSVC qsort call a quick sorting function when number of elements to sort is small. e.g.
* below a certain size, it is faster to use a O(n^2) sorting method *
if (size <= CUTOFF) {
__SHORTSORT(lo, hi, width, comp, context);
}
and that function damn looks bugged as it imposes
if (__COMPARE(context, p, max) > 0) { ...
as condition to NOT change order (instead of >= 0). Se we force the hand here and
return 1 to circumvent that bad behavior
Note: Since it uses MSVCRT.DLL MinGW GCC suffers from the same bug
*/
return (1);
#else
return (0);
#endif
}
GMT_LOCAL bool psxyz_no_z_variation (struct GMT_CTRL *GMT, struct GMT_DATASEGMENT *L) {
/* Determine if we are on a constant z-level plane */
unsigned int row;
gmt_M_unused (GMT);
for (row = 1; row < L->n_rows; row++) {
if (!doubleAlmostEqualZero (L->data[GMT_Z][row], L->data[GMT_Z][row-1])) return false;
}
return (true);
}
GMT_LOCAL bool psxyz_load_bands (struct GMT_CTRL *GMT, double *in, double *out, unsigned int n, uint64_t rec, struct GMT_SYMBOL *S) {
/* Accumulate and project to projected values */
unsigned int k, kk, col;
double xx, yy;
for (col = GMT_Z, k = 0; k < n; k++, col++ ) { /* Place the x, y, z OR dx, dy, or dz increments in the out array */
if (S->symbol == GMT_SYMBOL_BARX) /* Must pick first x, then what follows z */
kk = (k == 0) ? GMT_X : col;
else if (S->symbol == GMT_SYMBOL_BARY) /* Must pick first y, then what follows z */
kk = (k == 0) ? GMT_Y : col;
else /* just pick z columns */
kk = col;
out[k] = in[kk];
}
if (S->accumulate) { /* Do the accumulation of increments into absolute values */
for (k = 1; k < n; k++)
out[k] += out[k-1];
}
if (S->base_set & GMT_BASE_ORIGIN) { /* Add the new origin offset */
for (k = 0; k < n; k++)
out[k] += S->base;
}
/* Now we have final x1, x2, x3... or y1, y2, y3..., or z1, z2, z3... in the data array in user units */
for (k = 1; k < n; k++) { /* Check things are monotonically increasing for single bars or columns */
if (!S->sidebyside && out[k] < out[k-1]) {
GMT_Report (GMT->parent, GMT_MSG_ERROR, "The -Sb|B|o|O options require monotonically increasing band-values - not true near line %d\n", rec);
return true;
}
}
/* Now project the data values to projected units */
for (k = 0; k < n; k++) {
if (S->symbol == GMT_SYMBOL_BARX) { /* Project and keep the projected x values */
gmt_geo_to_xy (GMT, out[k], in[GMT_Y], &xx, &yy);
out[k] = xx;
}
else if (S->symbol == GMT_SYMBOL_BARY) { /* Project and keep the projected y values */
gmt_geo_to_xy (GMT, in[GMT_X], out[k], &xx, &yy);
out[k] = yy;
}
else /* Just get the projected z values */
out[k] = gmt_z_to_zz (GMT, out[k]);
}
return false;
}
#define bailout(code) {gmt_M_free_options (mode); return (code);}
#define Return(code) {Free_Ctrl (GMT, Ctrl); gmt_end_module (GMT, GMT_cpy); bailout (code);}
EXTERN_MSC int GMT_psxyz (void *V_API, int mode, void *args) {
/* High-level function that implements the psxyz task */
bool polygon = false, penset_OK = true, not_line = false, old_is_world = false, seq_legend = false, use_z_table = false;
bool get_rgb = false, read_symbol = false, clip_set = false, fill_active = false, rgb_from_z = false, QR_symbol = false;
bool default_outline = false, outline_active = false, save_u = false, geovector = false, can_update_headpen = true;
unsigned int k, j, geometry, tbl, pos2x, pos2y, xcol = 0, icol = 0, tcol_f = 0, tcol_s = 0, grid_order, frame_order, n_z = 0;
unsigned int n_cols_start = 3, justify, v4_outline = 0, v4_status = 0, bcol, ex1, ex2, ex3, change = 0, n_needed = 0;
int error = GMT_NOERROR, seq_n_legends = 0, seq_frequency = 0;
uint64_t i, n, n_total_read = 0, n_z_for_cpt = 0;
size_t n_alloc = 0;
char s_args[GMT_BUFSIZ] = {""};
double dim[PSL_MAX_DIMS], rgb[3][4] = {{-1.0, -1.0, -1.0, 0.0}, {-1.0, -1.0, -1.0, 0.0}, {-1.0, -1.0, -1.0, 0.0}};
double DX = 0, DY = 0, *xp = NULL, *yp = NULL, *in = NULL, *v4_rgb = NULL, *z_for_cpt = NULL;
double lux[3] = {0.0, 0.0, 0.0}, tmp, x_1, x_2, y_1, y_2, dx, dy, s, c, zz, zb, length, base;
double bar_gap, bar_width, bar_step, nominal_size_x, nominal_size_y, *t_for_cpt = NULL;
double axes[2] = {0.0, 0.0}, Az = 0.0, factor = 1.0;
struct GMT_PEN default_pen, current_pen, last_headpen, last_spiderpen, save_pen;
struct GMT_FILL default_fill, current_fill, black, no_fill;
struct GMT_SYMBOL S;
struct GMT_PALETTE *P = NULL;
struct GMT_PALETTE_HIDDEN *PH = NULL;
struct GMT_DATASEGMENT *L = NULL;
struct PSXYZ_DATA *data = NULL;
struct PSXYZ_CTRL *Ctrl = NULL;
struct GMT_CTRL *GMT = NULL, *GMT_cpy = NULL; /* General GMT internal parameters */
struct GMT_OPTION *options = NULL;
struct PSL_CTRL *PSL = NULL; /* General PSL internal parameters */
struct GMTAPI_CTRL *API = gmt_get_api_ptr (V_API); /* Cast from void to GMTAPI_CTRL pointer */
/*----------------------- Standard module initialization and parsing ----------------------*/
if (API == NULL) return (GMT_NOT_A_SESSION);
if (mode == GMT_MODULE_PURPOSE) return (usage (API, GMT_MODULE_PURPOSE)); /* Return the purpose of program */
options = GMT_Create_Options (API, mode, args); if (API->error) return (API->error); /* Set or get option list */
if (API->GMT->current.setting.run_mode == GMT_CLASSIC) { /* Classic requires options, while modern does not */
if ((error = gmt_report_usage (API, options, 0, usage)) != GMT_NOERROR) bailout (error); /* Give usage if requested */
}
else {
if (options && options->option == GMT_OPT_SYNOPSIS) bailout (usage (API, GMT_SYNOPSIS)); /* Return the synopsis */
if (API->usage || (options && options->option == GMT_OPT_USAGE)) bailout (usage (API, GMT_USAGE)); /* Return the usage message */
}
/* Parse the command-line arguments; return if errors are encountered */
if ((GMT = gmt_init_module (API, THIS_MODULE_LIB, THIS_MODULE_CLASSIC_NAME, THIS_MODULE_KEYS, THIS_MODULE_NEEDS, module_kw, &options, &GMT_cpy)) == NULL) bailout (API->error); /* Save current state */
if (GMT_Parse_Common (API, THIS_MODULE_OPTIONS, options)) Return (API->error);
/* Initialize GMT_SYMBOL structure */
gmt_M_memset (&S, 1, struct GMT_SYMBOL);
gmt_M_memset (&last_headpen, 1, struct GMT_PEN);
gmt_M_memset (&last_spiderpen, 1, struct GMT_PEN);
gmt_contlabel_init (GMT, &S.G, 0);
S.base = GMT->session.d_NaN;
S.font = GMT->current.setting.font_annot[GMT_PRIMARY];
S.u = GMT->current.setting.proj_length_unit;
S.justify = PSL_MC;
Ctrl = New_Ctrl (GMT); /* Allocate and initialize a new control structure */
if ((error = parse (GMT, Ctrl, options, &S)) != 0) Return (error);
/*---------------------------- This is the psxyz main code ----------------------------*/
if (!Ctrl->T.active) GMT_Report (API, GMT_MSG_INFORMATION, "Processing input table data\n");
GMT->current.plot.mode_3D = 1; /* Only do background axis first; do foreground at end */
nominal_size_x = S.size_x;
nominal_size_y = S.size_y;
/* Do we plot actual symbols, or lines */
not_line = (S.symbol != GMT_SYMBOL_FRONT && S.symbol != GMT_SYMBOL_QUOTED_LINE && S.symbol != GMT_SYMBOL_LINE);
read_symbol = (S.symbol == GMT_SYMBOL_NOT_SET);
gmt_init_fill (GMT, &black, 0.0, 0.0, 0.0); /* Default fill for points, if needed */
gmt_init_fill (GMT, &no_fill, -1.0, -1.0, -1.0);
if (Ctrl->C.active || Ctrl->Z.file) {
if (Ctrl->C.active ) {
if ((P = GMT_Read_Data (API, GMT_IS_PALETTE, GMT_IS_FILE, GMT_IS_NONE, GMT_READ_NORMAL, NULL, Ctrl->C.file, NULL)) == NULL) {
Return (API->error);
}
get_rgb = not_line; /* Need to assign color from either z or text from input data file */
}
if (Ctrl->Z.active) { /* Get color from cpt -Z and store in -G */
if (Ctrl->Z.file) {
/* Must temporarily let the x-column contain datavalues for the CPT lookup */
struct GMT_DATASET *Zin = NULL;
enum gmt_col_enum x_col_type = gmt_get_column_type (GMT, GMT_IN, GMT_X);
enum gmt_col_enum v_col_type = gmt_get_column_type (GMT, GMT_IN, 3);
gmt_disable_bghio_opts (GMT); /* Do not want any -b -g -h -i -o to affect the reading from -Z file */
gmt_set_column_type (GMT, GMT_IN, GMT_X, v_col_type);
if ((Zin = GMT_Read_Data (API, GMT_IS_DATASET, GMT_IS_FILE, GMT_IS_POINT, GMT_IO_ASCII, NULL, Ctrl->Z.file, NULL)) == NULL) {
Return (API->error);
}
gmt_set_column_type (GMT, GMT_IN, GMT_X, x_col_type);
gmt_reenable_bghio_opts (GMT); /* Recover settings provided by user (if -b -g -h -i were used at all) */
if (Zin->n_segments > 1) {
GMT_Report (API, GMT_MSG_ERROR, "The file given via -Z must have a single segment with one z-value for each polygon in the input file\n");
Return (API->error);
}
if (Zin->n_columns == 0) {
GMT_Report (API, GMT_MSG_ERROR, "The file given via -Z must have a at least one data column and we will choose the last column\n");
Return (API->error);
}
n_z_for_cpt = Zin->table[0]->segment[0]->n_rows; /* Remember length of segment */
if (Ctrl->Z.set_transp == 2) { /* This needs two columns */
if (Zin->n_columns < 2) {
GMT_Report (API, GMT_MSG_ERROR, "Option -Z: The file must have two columns (transparency and z-value) when modifier +T is used\n");
Return (API->error);
}
}
if (Ctrl->Z.set_transp == 2) { /* Got z and transp */
t_for_cpt = gmt_M_memory (GMT, NULL, n_z_for_cpt, double);
z_for_cpt = gmt_M_memory (GMT, NULL, n_z_for_cpt, double);
gmt_M_memcpy (z_for_cpt, Zin->table[0]->segment[0]->data[Zin->n_columns-1], n_z_for_cpt, double);
gmt_M_memcpy (t_for_cpt, Zin->table[0]->segment[0]->data[Zin->n_columns-2], n_z_for_cpt, double);
}
else if (Ctrl->Z.set_transp == 1) { /* Got just transp */
t_for_cpt = gmt_M_memory (GMT, NULL, n_z_for_cpt, double);
gmt_M_memcpy (t_for_cpt, Zin->table[0]->segment[0]->data[Zin->n_columns-1], n_z_for_cpt, double);
}
else { /* Just z-column */
z_for_cpt = gmt_M_memory (GMT, NULL, n_z_for_cpt, double);
gmt_M_memcpy (z_for_cpt, Zin->table[0]->segment[0]->data[Zin->n_columns-1], n_z_for_cpt, double);
}
use_z_table = (z_for_cpt || t_for_cpt);
if (GMT_Destroy_Data (API, &Zin) != GMT_NOERROR) { /* Finished with this file */
Return (API->error);
}
}
else {
double rgb[4];
(void)gmt_get_rgb_from_z (GMT, P, Ctrl->Z.value, rgb);
if (Ctrl->W.set_color) /* To be used in polygon or symbol outline */
gmt_M_rgb_copy (Ctrl->W.pen.rgb, rgb);
if (Ctrl->G.set_color) /* To be used in polygon or symbol fill */
gmt_M_rgb_copy (Ctrl->G.fill.rgb, rgb);
}
get_rgb = false; /* Not reading z from data */
}
else if ((P->categorical & GMT_CPT_CATEGORICAL_KEY)) /* Get rgb from trailing text, so read no extra z columns */
rgb_from_z = false;
else if (S.v.status & PSL_VEC_MAGCPT) /* Get rgb via user data magnitude and handle it per symbol */
rgb_from_z = false;
else { /* Read extra z column for symbols only */
rgb_from_z = not_line;
if (rgb_from_z && (P->categorical & GMT_CPT_CATEGORICAL_KEY) == 0) n_cols_start++;
}
}
polygon = (S.symbol == GMT_SYMBOL_LINE && (Ctrl->G.active || Ctrl->L.polygon) && !Ctrl->L.anchor);
if (Ctrl->W.cpt_effect && Ctrl->W.pen.cptmode & 2) polygon = true;
if (Ctrl->G.set_color) polygon = true;
default_pen = current_pen = Ctrl->W.pen;
current_fill = default_fill = (S.symbol == PSL_DOT && !Ctrl->G.active) ? black : Ctrl->G.fill;
default_outline = Ctrl->W.active;
if (Ctrl->I.active && Ctrl->I.mode == 0) {
gmt_illuminate (GMT, Ctrl->I.value, current_fill.rgb);
gmt_illuminate (GMT, Ctrl->I.value, default_fill.rgb);
}
if (get_rgb && gmt_is_barcolumn (GMT, &S) && (n_z = gmt_get_columbar_bands (GMT, &S)) > 1) get_rgb = rgb_from_z = false; /* Not used in the same way here */
if (Ctrl->L.anchor == PSXYZ_POL_SYMM_DEV) n_cols_start += 1;
if (Ctrl->L.anchor == PSXYZ_POL_ASYMM_DEV || Ctrl->L.anchor == PSXYZ_POL_ASYMM_ENV) n_cols_start += 2;
/* Extra columns 1, 2, and 3 */
ex1 = (rgb_from_z) ? 4 : 3;
ex2 = (rgb_from_z) ? 5 : 4;
ex3 = (rgb_from_z) ? 6 : 5;
pos2x = ex1 + GMT->current.setting.io_lonlat_toggle[GMT_IN]; /* Column with a 2nd longitude (for VECTORS with two sets of coordinates) */
pos2y = ex2 - GMT->current.setting.io_lonlat_toggle[GMT_IN]; /* Column with a 2nd latitude (for VECTORS with two sets of coordinates) */
if (gmt_is_barcolumn (GMT, &S)) {
n_z = gmt_get_columbar_bands (GMT, &S); /* > 0 for multiband, else 0 */
n_needed = n_cols_start + ((n_z > 1) ? n_z - 2 : S.n_required);
}
else
n_needed = n_cols_start + S.n_required;
if (not_line)
gmt_set_column_types (GMT, n_cols_start, rgb_from_z, 7, &S); /* Handle the dimensional vs non-dimensional column types including if -i is used */
if (Ctrl->H.active && Ctrl->H.mode == PSXYZ_READ_SCALE) {
xcol = n_needed;
n_needed++; /* Read scaling from data file */
gmt_set_column_type (GMT, GMT_IN, xcol, GMT_IS_FLOAT);
}
if (Ctrl->I.mode) {
icol = n_needed;
n_needed++; /* Read intensity from data file */
gmt_set_column_type (GMT, GMT_IN, icol, GMT_IS_FLOAT);
}
if (GMT->common.t.variable) { /* Need one or two transparencies from file */
if (GMT->common.t.mode & GMT_SET_FILL_TRANSP) {
tcol_f = n_needed;
n_needed++; /* Read fill transparencies from data file */
gmt_set_column_type (GMT, GMT_IN, tcol_f, GMT_IS_FLOAT);
}
if (GMT->common.t.mode & GMT_SET_PEN_TRANSP) {
tcol_s = n_needed;
n_needed++; /* Read stroke transparencies from data file */
gmt_set_column_type (GMT, GMT_IN, tcol_s, GMT_IS_FLOAT);
}
}
if (gmt_check_binary_io (GMT, n_needed))
Return (GMT_RUNTIME_ERROR);
if (S.symbol == GMT_SYMBOL_QUOTED_LINE) {
if (gmt_contlabel_prep (GMT, &S.G, NULL))
Return (GMT_RUNTIME_ERROR);
penset_OK = false; /* Since it is set in PSL */
}
if (gmt_map_setup (GMT, GMT->common.R.wesn))
Return (GMT_PROJECTION_ERROR);
if (S.u_set) { /* When -Sc<unit> is given we temporarily reset the system unit to these units so conversions will work */
save_u = GMT->current.setting.proj_length_unit;
GMT->current.setting.proj_length_unit = S.u;
}
lux[0] = fabs (GMT->current.proj.z_project.sin_az * GMT->current.proj.z_project.cos_el);
lux[1] = fabs (GMT->current.proj.z_project.cos_az * GMT->current.proj.z_project.cos_el);
lux[2] = fabs (GMT->current.proj.z_project.sin_el);
tmp = MAX (lux[0], MAX (lux[1], lux[2]));
for (k = 0; k < 3; k++) lux[k] = (lux[k] / tmp) - 0.5;
if ((S.symbol == GMT_SYMBOL_COLUMN || S.symbol == GMT_SYMBOL_CUBE) && (!Ctrl->C.active || current_fill.rgb[0] >= 0)) { /* Modify the color for each facet */
for (k = 0; k < 3; k++) {
gmt_M_rgb_copy (rgb[k], current_fill.rgb);
if (S.shade3D) {
GMT_Report (API, GMT_MSG_DEBUG, "3-D shading illusion: lux[k] = %g\n", k, lux[k]);
gmt_illuminate (GMT, lux[k], rgb[k]);
}
}
}
if (GMT->current.proj.z_pars[0] == 0.0) { /* Only consider clipping if there is no z scaling */
if ((gmt_M_is_conical(GMT) && gmt_M_360_range (GMT->common.R.wesn[XLO], GMT->common.R.wesn[XHI]))) { /* Must turn clipping on for 360-range conical */
/* Special case of 360-range conical (which is periodic but do not touch at w=e) so we must clip to ensure nothing is plotted in the gap between west and east border */
clip_set = true;
frame_order = (Ctrl->N.active) ? GMT_BASEMAP_FRAME_BEFORE : GMT_BASEMAP_FRAME_AFTER;
}
else if (Ctrl->N.mode == PSXYZ_CLIP_REPEAT || Ctrl->N.mode == PSXYZ_CLIP_NO_REPEAT) { /* Only set clip if plotting symbols and -N not used */
clip_set = true;
frame_order = GMT_BASEMAP_FRAME_AFTER;
}
else
frame_order = (Ctrl->N.active) ? GMT_BASEMAP_FRAME_BEFORE : GMT_BASEMAP_FRAME_AFTER;
}
else
frame_order = GMT_BASEMAP_FRAME_BEFORE;
if ((PSL = gmt_plotinit (GMT, options)) == NULL) Return (GMT_RUNTIME_ERROR);
if (Ctrl->T.active) {
gmt_plotend (GMT);
Return (GMT_NOERROR);
}
gmt_plane_perspective (GMT, GMT_Z + GMT_ZW, GMT->current.proj.z_level);
grid_order = (polygon) ? GMT_BASEMAP_GRID_AFTER : GMT_BASEMAP_GRID_BEFORE;
gmt_set_basemap_orders (GMT, frame_order, grid_order, GMT_BASEMAP_ANNOT_BEFORE);
gmt_plotcanvas (GMT); /* Fill canvas if requested */
gmt_map_basemap (GMT); /* Lay down gridlines */
gmt_set_line_resampling (GMT, Ctrl->A.active, Ctrl->A.mode); /* Possibly change line resampling mode */
#ifdef DEBUG
/* Change default step size (in degrees) used for interpolation of line segments along great circles (if requested) */
if (Ctrl->A.active) Ctrl->A.step = Ctrl->A.step / GMT->current.proj.scale[GMT_X] / GMT->current.proj.M_PR_DEG;
#endif
if (clip_set) gmt_map_clip_on (GMT, GMT->session.no_rgb, 3);
gmt_plane_perspective (GMT, -1, 0.0);