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/*
* $Id: volumize.c 21302 2018-08-08 14:33:39Z yeti-dn $
* Copyright (C) 2015-2016 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* 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.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <libgwyddion/gwymacros.h>
#include <libprocess/stats.h>
#include <libprocess/brick.h>
#include <libgwydgets/gwystock.h>
#include <libgwymodule/gwymodule-process.h>
#include <app/gwyapp.h>
#define VOLUMIZE_RUN_MODES (GWY_RUN_IMMEDIATE)
#define MAXPIX 600
static gboolean module_register (void);
static void volumize (GwyContainer *data,
GwyRunType run);
static GwyBrick* create_brick_from_datafield(GwyDataField *dfield);
static GwyModuleInfo module_info = {
GWY_MODULE_ABI_VERSION,
&module_register,
N_("Converts datafield to 3D volume data."),
"Petr Klapetek <klapetek@gwyddion.net>",
"1.2",
"David Nečas (Yeti) & Petr Klapetek",
"2013",
};
GWY_MODULE_QUERY2(module_info, volumize)
static gboolean
module_register(void)
{
gwy_process_func_register("volumize",
(GwyProcessFunc)&volumize,
N_("/_Basic Operations/Volumize"),
GWY_STOCK_VOLUMIZE,
VOLUMIZE_RUN_MODES,
GWY_MENU_FLAG_DATA,
N_("Convert datafield to 3D data"));
return TRUE;
}
static void
volumize(GwyContainer *data, GwyRunType run)
{
GwyDataField *dfield = NULL;
GwyBrick *brick;
gint newid;
g_return_if_fail(run & VOLUMIZE_RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, &dfield, 0);
brick = create_brick_from_datafield(dfield);
dfield = gwy_data_field_duplicate(dfield);
gwy_brick_sum_plane(brick, dfield, 0, 0, 0,
gwy_brick_get_xres(brick), gwy_brick_get_yres(brick),
-1, FALSE);
newid = gwy_app_data_browser_add_brick(brick, dfield, data, TRUE);
g_object_unref(brick);
g_object_unref(dfield);
gwy_app_volume_log_add(data, -1, newid, "proc::volumize", NULL);
}
static GwyBrick*
create_brick_from_datafield(GwyDataField *dfield)
{
gint xres, yres, zres;
gint col, row, lev;
gdouble ratio, *bdata, *ddata;
gdouble xreal, yreal, zreal, offset;
gboolean freeme = FALSE;
GwyDataField *lowres;
GwyBrick *brick;
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
zres = MAX(xres, yres);
if (xres*yres > MAXPIX*MAXPIX) {
ratio = (MAXPIX*MAXPIX)/(gdouble)(xres*yres);
lowres = gwy_data_field_new_alike(dfield, TRUE);
gwy_data_field_copy(dfield, lowres, TRUE);
xres *= ratio;
yres *= ratio;
freeme = TRUE;
gwy_data_field_resample(lowres, xres, yres, GWY_INTERPOLATION_BILINEAR);
}
else
lowres = dfield;
zres = MAX(xres, yres);
xreal = gwy_data_field_get_xreal(dfield);
yreal = gwy_data_field_get_yreal(dfield);
offset = gwy_data_field_get_min(lowres);
zreal = gwy_data_field_get_max(lowres) - offset;
brick = gwy_brick_new(xres, yres, zres, xreal, yreal, zreal, TRUE);
gwy_si_unit_assign(gwy_brick_get_si_unit_x(brick),
gwy_data_field_get_si_unit_xy(dfield));
gwy_si_unit_assign(gwy_brick_get_si_unit_y(brick),
gwy_data_field_get_si_unit_xy(dfield));
gwy_si_unit_assign(gwy_brick_get_si_unit_z(brick),
gwy_data_field_get_si_unit_z(dfield));
ddata = gwy_data_field_get_data(lowres);
bdata = gwy_brick_get_data(brick);
for (lev = 0; lev < zres; lev++) {
for (row = 0; row < yres; row++) {
for (col = 0; col < xres; col++) {
if (ddata[col + xres*row] >= lev*zreal/zres + offset)
bdata[col + xres*row + xres*yres*lev] = 1;
}
}
}
if (freeme)
GWY_OBJECT_UNREF(lowres);
return brick;
}
/* 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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