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/*
* $Id: rawxyz.c 21300 2018-08-08 14:08:32Z yeti-dn $
* Copyright (C) 2009-2016 David Necas (Yeti).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* [FILE-MAGIC-USERGUIDE]
* XYZ data
* .xyz .dat
* Read Export
**/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include <libgwyddion/gwymacros.h>
#include <libgwyddion/gwymath.h>
#include <libgwyddion/gwyutils.h>
#include <libprocess/surface.h>
#include <libgwymodule/gwymodule-file.h>
#include <app/gwyapp.h>
#include <app/gwymoduleutils-file.h>
#include "err.h"
#define EXTENSION ".xyz"
typedef struct {
gchar *xy_units;
gchar *z_units;
} RawXYZArgs;
typedef struct {
RawXYZArgs *args;
GwySurface *surface;
GtkWidget *dialog;
GtkWidget *xmin;
GtkWidget *xmax;
GtkWidget *xunit;
GtkWidget *ymin;
GtkWidget *ymax;
GtkWidget *yunit;
GtkWidget *zmin;
GtkWidget *zmax;
GtkWidget *zunit;
GtkWidget *xy_units;
GtkWidget *z_units;
} RawXYZControls;
static gboolean module_register (void);
static gint rawxyz_detect (const GwyFileDetectInfo *fileinfo,
gboolean only_name);
static GwyContainer* rawxyz_load (const gchar *filename,
GwyRunType mode,
GError **error);
static gboolean rawxyz_dialog (RawXYZArgs *arg,
GwySurface *surface);
static void xyunits_changed (RawXYZControls *controls,
GtkEntry *entry);
static void zunits_changed (RawXYZControls *controls,
GtkEntry *entry);
static gint construct_units (RawXYZControls *controls,
GtkTable *table,
gint row);
static void construct_range (GtkTable *table,
const gchar *name,
gint row,
GtkWidget **from,
GtkWidget **to,
GtkWidget **unit);
static GwySurface* read_xyz_points (gchar *p);
static void rawxyz_load_args(GwyContainer *container,
RawXYZArgs *args);
static void rawxyz_save_args(GwyContainer *container,
RawXYZArgs *args);
static const RawXYZArgs rawxyz_defaults = {
NULL, NULL,
};
static GwyModuleInfo module_info = {
GWY_MODULE_ABI_VERSION,
&module_register,
N_("Imports raw XYZ data files."),
"Yeti <yeti@gwyddion.net>",
"3.1",
"David Nečas (Yeti)",
"2009",
};
GWY_MODULE_QUERY2(module_info, rawxyz)
static gboolean
module_register(void)
{
gwy_file_func_register("rawxyz",
N_("XYZ data files"),
(GwyFileDetectFunc)&rawxyz_detect,
(GwyFileLoadFunc)&rawxyz_load,
NULL,
NULL);
/* We provide a detection function, but the loading method tries a bit
* harder, so let the user choose explicitly. */
gwy_file_func_set_is_detectable("rawxyz", FALSE);
return TRUE;
}
static gint
rawxyz_detect(const GwyFileDetectInfo *fileinfo,
gboolean only_name)
{
const gchar *s;
gchar *end;
guint i;
if (only_name)
return g_str_has_suffix(fileinfo->name_lowercase, EXTENSION) ? 20 : 0;
s = fileinfo->head;
for (i = 0; i < 6; i++) {
g_ascii_strtod(s, &end);
if (end == s) {
/* If we encounter garbage at the first line, give it a one more
* chance. */
if (i || !(s = strchr(s, '\n')))
return 0;
goto next_line;
}
s = end;
while (g_ascii_isspace(*s) || *s == ';' || *s == ',')
s++;
g_ascii_strtod(s, &end);
if (end == s)
return 0;
s = end;
while (g_ascii_isspace(*s) || *s == ';' || *s == ',')
s++;
g_ascii_strtod(s, &end);
if (end == s)
return 0;
s = end;
while (*s == ' ' || *s == '\t')
s++;
if (*s != '\n' && *s != '\r')
return 0;
next_line:
do {
s++;
} while (g_ascii_isspace(*s));
}
return 50;
}
static GwyContainer*
rawxyz_load(const gchar *filename,
GwyRunType mode,
GError **error)
{
GwyContainer *settings, *container = NULL;
GwySurface *surface = NULL;
RawXYZArgs args;
GwySIUnit *unit;
gint power10;
gdouble q;
gchar *buffer = NULL;
gsize size;
GError *err = NULL;
gboolean ok;
guint k;
if (!g_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
goto fail;
}
surface = read_xyz_points(buffer);
g_free(buffer);
if (!surface->n) {
err_NO_DATA(error);
goto fail;
}
settings = gwy_app_settings_get();
rawxyz_load_args(settings, &args);
if (mode == GWY_RUN_INTERACTIVE) {
ok = rawxyz_dialog(&args, surface);
rawxyz_save_args(settings, &args);
if (!ok) {
err_CANCELLED(error);
goto fail;
}
}
unit = gwy_si_unit_new_parse(args.xy_units, &power10);
if (power10) {
q = pow10(power10);
for (k = 0; k < surface->n; k++) {
surface->data[k].x *= q;
surface->data[k].y *= q;
}
gwy_surface_invalidate(surface);
}
gwy_si_unit_assign(gwy_surface_get_si_unit_xy(surface), unit);
unit = gwy_si_unit_new_parse(args.z_units, &power10);
if (power10) {
q = pow10(power10);
for (k = 0; k < surface->n; k++)
surface->data[k].z *= q;
gwy_surface_invalidate(surface);
}
gwy_si_unit_assign(gwy_surface_get_si_unit_z(surface), unit);
container = gwy_container_new();
gwy_container_set_object(container, gwy_app_get_surface_key_for_id(0),
surface);
gwy_app_xyz_title_fall_back(container, 0);
gwy_file_xyz_import_log_add(container, 0, NULL, filename);
fail:
g_free(args.xy_units);
g_free(args.z_units);
GWY_OBJECT_UNREF(surface);
return container;
}
static gboolean
rawxyz_dialog(RawXYZArgs *args,
GwySurface *surface)
{
GtkWidget *dialog, *label;
GtkTable *table;
RawXYZControls controls;
gint row, response;
gchar *s;
controls.args = args;
controls.surface = surface;
dialog = gtk_dialog_new_with_buttons(_("Import XYZ Data"), NULL, 0,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_OK);
gwy_help_add_to_file_dialog(GTK_DIALOG(dialog), GWY_HELP_DEFAULT);
controls.dialog = dialog;
table = GTK_TABLE(gtk_table_new(6, 5, FALSE));
gtk_table_set_row_spacings(table, 2);
gtk_table_set_col_spacings(table, 6);
gtk_container_set_border_width(GTK_CONTAINER(table), 4);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), GTK_WIDGET(table),
TRUE, TRUE, 0);
row = 0;
label = gtk_label_new(_("Number of points:"));
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_table_attach(table, label, 0, 1, row, row+1, GTK_FILL, 0, 0, 0);
s = g_strdup_printf("%u", surface->n);
label = gtk_label_new(s);
g_free(s);
gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
gtk_table_attach(table, label, 1, 2, row, row+1, GTK_FILL, 0, 0, 0);
row++;
construct_range(table, _("X-range:"), row++,
&controls.xmin, &controls.xmax, &controls.xunit);
construct_range(table, _("Y-range:"), row++,
&controls.ymin, &controls.ymax, &controls.yunit);
construct_range(table, _("Z-range:"), row++,
&controls.zmin, &controls.zmax, &controls.zunit);
gtk_table_set_row_spacing(table, row-1, 8);
row = construct_units(&controls, table, row);
g_signal_connect_swapped(controls.xy_units, "changed",
G_CALLBACK(xyunits_changed), &controls);
g_signal_connect_swapped(controls.z_units, "changed",
G_CALLBACK(zunits_changed), &controls);
gtk_entry_set_text(GTK_ENTRY(controls.xy_units), args->xy_units);
gtk_entry_set_text(GTK_ENTRY(controls.z_units), args->z_units);
xyunits_changed(&controls, GTK_ENTRY(controls.xy_units));
zunits_changed(&controls, GTK_ENTRY(controls.z_units));
gtk_widget_show_all(dialog);
do {
response = gtk_dialog_run(GTK_DIALOG(dialog));
switch (response) {
case GTK_RESPONSE_CANCEL:
case GTK_RESPONSE_DELETE_EVENT:
gtk_widget_destroy(dialog);
case GTK_RESPONSE_NONE:
return FALSE;
break;
case GTK_RESPONSE_OK:
break;
default:
g_assert_not_reached();
break;
}
} while (response != GTK_RESPONSE_OK);
gtk_widget_destroy(dialog);
return TRUE;
}
static void
construct_range(GtkTable *table, const gchar *name, gint row,
GtkWidget **from, GtkWidget **to, GtkWidget **unit)
{
GtkWidget *label;
label = gtk_label_new(name);
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_table_attach(table, label, 0, 1, row, row+1,
GTK_FILL, 0, 0, 0);
*from = label = gtk_label_new(NULL);
gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
gtk_table_attach(table, label, 1, 2, row, row+1,
GTK_FILL, 0, 0, 0);
label = gtk_label_new("–");
gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
gtk_table_attach(table, label, 2, 3, row, row+1,
GTK_FILL, 0, 0, 0);
*to = label = gtk_label_new(NULL);
gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
gtk_table_attach(table, label, 3, 4, row, row+1,
GTK_FILL, 0, 0, 0);
*unit = label = gtk_label_new(NULL);
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_table_attach(table, label, 4, 5, row, row+1,
GTK_EXPAND | GTK_FILL, 0, 0, 0);
}
static gint
construct_units(RawXYZControls *controls,
GtkTable *table,
gint row)
{
RawXYZArgs *args = controls->args;
GtkWidget *label;
label = gtk_label_new_with_mnemonic(_("_Lateral units:"));
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_table_attach(table, label, 0, 1, row, row+1,
GTK_EXPAND | GTK_FILL, 0, 0, 0);
controls->xy_units = gtk_entry_new();
gtk_label_set_mnemonic_widget(GTK_LABEL(label), controls->xy_units);
gtk_entry_set_text(GTK_ENTRY(controls->xy_units), args->xy_units);
gtk_entry_set_width_chars(GTK_ENTRY(controls->xy_units), 6);
gtk_table_attach(table, controls->xy_units, 1, 4, row, row+1,
GTK_EXPAND | GTK_FILL, 0, 0, 0);
row++;
label = gtk_label_new_with_mnemonic(_("_Value units:"));
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_table_attach(table, label, 0, 1, row, row+1,
GTK_EXPAND | GTK_FILL, 0, 0, 0);
controls->z_units = gtk_entry_new();
gtk_label_set_mnemonic_widget(GTK_LABEL(label), controls->z_units);
gtk_entry_set_text(GTK_ENTRY(controls->z_units), args->z_units);
gtk_entry_set_width_chars(GTK_ENTRY(controls->z_units), 6);
gtk_table_attach(table, controls->z_units, 1, 4, row, row+1,
GTK_EXPAND | GTK_FILL, 0, 0, 0);
row++;
return row;
}
static void
update_range_lables(GtkWidget *from, GtkWidget *to, GtkWidget *unit,
gdouble min, gdouble max, const gchar *unitstring)
{
GwySIValueFormat *vf;
GwySIUnit *siunit;
gint power10;
gchar *s;
siunit = gwy_si_unit_new_parse(unitstring, &power10);
min *= pow10(power10);
max *= pow10(power10);
vf = gwy_si_unit_get_format_with_digits(siunit, GWY_SI_UNIT_FORMAT_VFMARKUP,
MAX(fabs(min), fabs(max)), 3,
NULL);
s = g_strdup_printf("%.*f", vf->precision, min/vf->magnitude);
gtk_label_set_markup(GTK_LABEL(from), s);
g_free(s);
s = g_strdup_printf("%.*f", vf->precision, max/vf->magnitude);
gtk_label_set_markup(GTK_LABEL(to), s);
g_free(s);
gtk_label_set_markup(GTK_LABEL(unit), vf->units);
gwy_si_unit_value_format_free(vf);
g_object_unref(siunit);
}
static void
xyunits_changed(RawXYZControls *controls,
GtkEntry *entry)
{
RawXYZArgs *args = controls->args;
gdouble xmin, xmax, ymin, ymax;
gchar *s;
s = args->xy_units;
args->xy_units = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, G_MAXINT);
g_free(s);
gwy_surface_get_xrange(controls->surface, &xmin, &xmax);
update_range_lables(controls->xmin, controls->xmax, controls->xunit,
xmin, xmax, args->xy_units);
gwy_surface_get_yrange(controls->surface, &ymin, &ymax);
update_range_lables(controls->ymin, controls->ymax, controls->yunit,
ymin, ymax, args->xy_units);
}
static void
zunits_changed(RawXYZControls *controls,
GtkEntry *entry)
{
RawXYZArgs *args = controls->args;
gdouble zmin, zmax;
gchar *s;
s = args->z_units;
args->z_units = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, G_MAXINT);
g_free(s);
gwy_surface_get_min_max(controls->surface, &zmin, &zmax);
update_range_lables(controls->zmin, controls->zmax, controls->zunit,
zmin, zmax, args->z_units);
}
static gchar
figure_out_comma_fix_char(const gchar *line)
{
gchar *comma, *end;
/* Not a number, try again. */
if (!g_ascii_strtod(line, &end) && end == line)
return 0;
/* There are decimal dots => POSIX. */
if (strchr(line, '.'))
return ' ';
/* There are no commas => POSIX. */
comma = strchr(line, ',');
if (!comma)
return ' ';
/* There are spaces after commas => POSIX. */
if (g_regex_match_simple(",[ \t]", line, G_REGEX_NO_AUTO_CAPTURE, 0))
return ' ';
/* There is a contiguous block of digits and commas => POSIX. */
if (g_regex_match_simple("[0-9],[0-9]+,[0-9]", line,
G_REGEX_NO_AUTO_CAPTURE, 0))
return ' ';
/* There are commas and may actually be inside numbers. Assume the decimal
* separator is coma. */
return '.';
}
static GwySurface*
read_xyz_points(gchar *p)
{
GwySurface *surface;
GArray *points;
gchar *line, *end;
char comma_fix_char = 0;
points = g_array_new(FALSE, FALSE, sizeof(GwyXYZ));
for (line = gwy_str_next_line(&p); line; line = gwy_str_next_line(&p)) {
GwyXYZ pt;
if (!line[0] || line[0] == '#')
continue;
if (!comma_fix_char) {
comma_fix_char = figure_out_comma_fix_char(line);
if (!comma_fix_char)
continue;
}
for (end = line; *end; end++) {
if (*end == ';')
*end = ' ';
else if (*end == ',')
*end = comma_fix_char;
}
if (!(pt.x = g_ascii_strtod(line, &end)) && end == line)
continue;
line = end;
while (g_ascii_isspace(*line))
line++;
if (!(pt.y = g_ascii_strtod(line, &end)) && end == line)
continue;
line = end;
while (g_ascii_isspace(*line))
line++;
if (!(pt.z = g_ascii_strtod(line, &end)) && end == line)
continue;
g_array_append_val(points, pt);
}
surface = gwy_surface_new_from_data((GwyXYZ*)points->data, points->len);
g_array_free(points, TRUE);
return surface;
}
static const gchar xy_units_key[] = "/module/rawxyz/xy-units";
static const gchar z_units_key[] = "/module/rawxyz/z-units";
static void
rawxyz_load_args(GwyContainer *container,
RawXYZArgs *args)
{
*args = rawxyz_defaults;
gwy_container_gis_string_by_name(container, xy_units_key,
(const guchar**)&args->xy_units);
gwy_container_gis_string_by_name(container, z_units_key,
(const guchar**)&args->z_units);
args->xy_units = g_strdup(args->xy_units ? args->xy_units : "");
args->z_units = g_strdup(args->z_units ? args->z_units : "");
}
static void
rawxyz_save_args(GwyContainer *container,
RawXYZArgs *args)
{
gwy_container_set_const_string_by_name(container, xy_units_key,
args->xy_units);
gwy_container_set_const_string_by_name(container, z_units_key,
args->z_units);
}
/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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