static GwyContainer*
spmlab_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
const gchar *title;
gint type;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
/* 2048 is wrong. moreover it differs for r5 and r4, kasigra uses 5752 for
* r5 */
if (size < 2048) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
if (buffer[0] != '#' || buffer[1] != 'R') {
err_FILE_TYPE(error, "Thermicroscopes SpmLab");
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
switch (buffer[2]) {
case '3':
case '4':
case '5':
case '6':
dfield = read_data_field(buffer, size, buffer[2], &type, error);
break;
default:
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Unknown format version %c."), buffer[2]);
break;
}
gwy_file_abandon_contents(buffer, size, NULL);
if (!dfield)
return NULL;
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
title = gwy_enum_to_string(type,
spmlab_channel_types,
G_N_ELEMENTS(spmlab_channel_types));
if (*title)
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup(title));
return container;
}
static GwyContainer*
ezdfile_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
EZDSection *section = NULL;
GwyDataField *dfield = NULL;
GPtrArray *ezdfile;
guint header_size, n;
gint i;
gchar *p;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (strncmp(buffer, MAGIC, MAGIC_SIZE)
|| !(header_size = find_data_start(buffer, size))) {
err_FILE_TYPE(error, "EZD/NID");
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
ezdfile = g_ptr_array_new();
p = g_strndup(buffer, header_size - DATA_MAGIC_SIZE);
if (!file_read_header(ezdfile, p, error)) {
gwy_file_abandon_contents(buffer, size, NULL);
g_free(p);
return NULL;
}
g_free(p);
n = find_data_offsets(buffer + header_size, size - header_size, ezdfile,
error);
if (!n) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
container = gwy_container_new();
i = 0;
for (n = 0; n < ezdfile->len; n++) {
gchar key[24];
section = (EZDSection*)g_ptr_array_index(ezdfile, n);
if (!section->data)
continue;
dfield = gwy_data_field_new(section->xres, section->yres,
1.0, 1.0, FALSE);
read_data_field(dfield, section);
g_snprintf(key, sizeof(key), "/%d/data", i);
gwy_container_set_object_by_name(container, key, dfield);
g_object_unref(dfield);
fix_scales(section, i, container);
meta = ezdfile_get_metadata(ezdfile, n);
if (meta) {
g_snprintf(key, sizeof(key), "/%d/meta", i);
gwy_container_set_object_by_name(container, key, meta);
g_object_unref(meta);
}
i++;
}
gwy_file_abandon_contents(buffer, size, NULL);
ezdfile_free(ezdfile);
return container;
}
static GwyContainer*
spmlab_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
gchar *title = NULL;
gint dir;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
/* 2048 is wrong. moreover it differs for r5 and r4, kasigra uses 5752 for
* r5 */
if (size < 2048) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
if (buffer[0] != '#' || buffer[1] != 'R') {
err_FILE_TYPE(error, "Thermicroscopes SpmLab");
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
switch (buffer[2]) {
case '3':
case '4':
case '5':
case '6':
case '7':
dfield = read_data_field(buffer, size, buffer[2], &title, &dir, error);
break;
default:
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Unknown format version %c."), buffer[2]);
break;
}
gwy_file_abandon_contents(buffer, size, NULL);
if (!dfield)
return NULL;
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
if (title)
gwy_container_set_string_by_name(container, "/0/data/title", title);
else
gwy_app_channel_title_fall_back(container, 0);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
/* TODO: Store direction to metadata, if known */
return container;
}
static GwyContainer*
gxsm_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
static const gchar *dimensions[] = { "time", "value", "dimy", "dimx" };
GwyContainer *data = NULL;
GwyDataField *dfield;
GwySIUnit *siunit;
NetCDF cdffile;
const NetCDFDim *dim;
const NetCDFVar *var;
const NetCDFAttr *attr;
gdouble real;
gint i, power10;
if (!cdffile_load(&cdffile, filename, error))
return NULL;
if (cdffile.nrecs) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("NetCDF records are not supported."));
goto gxsm_load_fail;
}
/* Look for variable "H" or "FloatField". This seems to be how GXSM calls
* data. */
if (!(var = cdffile_get_var(&cdffile, "H"))
&& !(var = cdffile_get_var(&cdffile, "FloatField"))) {
err_NO_DATA(error);
goto gxsm_load_fail;
}
/* Check the dimensions. We only know how to handle time=1 and value=1. */
for (i = 0; i < var->ndims; i++) {
dim = cdffile.dims + var->dimids[i];
if (!gwy_strequal(dim->name, dimensions[i])
|| (i < 2 && dim->length != 1)) {
/* XXX */
err_NO_DATA(error);
goto gxsm_load_fail;
}
}
if (err_DIMENSION(error, cdffile.dims[var->dimids[3]].length)
|| err_DIMENSION(error, cdffile.dims[var->dimids[2]].length))
goto gxsm_load_fail;
dfield = read_data_field((const guchar*)(cdffile.buffer + var->begin),
cdffile.dims[var->dimids[3]].length,
cdffile.dims[var->dimids[2]].length,
var->type);
if ((siunit = read_real_size(&cdffile, "rangex", &real, &power10))) {
/* Use negated positive conditions to catch NaNs */
if (!((real = fabs(real)) > 0)) {
g_warning("Real x size is 0.0, fixing to 1.0");
real = 1.0;
}
gwy_data_field_set_xreal(dfield, real*pow10(power10));
gwy_data_field_set_si_unit_xy(dfield, siunit);
g_object_unref(siunit);
}
if ((siunit = read_real_size(&cdffile, "rangey", &real, &power10))) {
/* Use negated positive conditions to catch NaNs */
if (!((real = fabs(real)) > 0)) {
g_warning("Real y size is 0.0, fixing to 1.0");
real = 1.0;
}
gwy_data_field_set_yreal(dfield, real*pow10(power10));
/* must be the same gwy_data_field_set_si_unit_xy(dfield, siunit); */
g_object_unref(siunit);
}
if ((siunit = read_real_size(&cdffile, "rangez", &real, &power10))) {
/* rangez seems to be some bogus value, take only units */
gwy_data_field_set_si_unit_z(dfield, siunit);
gwy_data_field_multiply(dfield, pow10(power10));
g_object_unref(siunit);
}
if ((siunit = read_real_size(&cdffile, "dz", &real, &power10))) {
/* on the other hand the units seem to be bogus here, take the range */
gwy_data_field_multiply(dfield, real);
g_object_unref(siunit);
}
data = gwy_container_new();
gwy_container_set_object_by_name(data, "/0/data", dfield);
g_object_unref(dfield);
if ((attr = cdffile_get_attr(var->attrs, var->nattrs, "long_name"))
&& attr->type == NC_CHAR
&& attr->nelems) {
gwy_container_set_string_by_name(data, "/0/data/title",
g_strndup(attr->values, attr->nelems));
}
gxsm_load_fail:
gwy_file_abandon_contents(cdffile.buffer, cdffile.size, NULL);
cdffile_free(&cdffile);
return data;
}