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Add modifing FITS records

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This commit is contained in:
Dušan Poizl
2024-04-12 09:58:21 +02:00
parent 933fd4a2a0
commit ae84cbdfe0
2 changed files with 167 additions and 0 deletions
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scriptengine.cpp
+149
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@@ -5,6 +5,7 @@
#include "loadrunable.h"
#include "rawimage.h"
#include "loadrunable.h"
#include <fitsio2.h>
namespace Script
{
@@ -16,6 +17,8 @@ ScriptEngine::ScriptEngine(QObject *parent) : QObject(parent)
{
QJSValue engine = _jsEngine->newQObject(this);
_jsEngine->globalObject().setProperty("engine", engine);
QJSValue fitsRecordObject = _jsEngine->newQMetaObject(&FITSRecordModify::staticMetaObject);
_jsEngine->globalObject().setProperty("FITSRecordModify", fitsRecordObject);
_database->init(QLatin1String("scriptengine"));
_semaphore.release(_pool->maxThreadCount());
}
@@ -303,6 +306,136 @@ QJSValue File::fitsRecords()
return array;
}
bool File::modifyFITSRecords(const FITSRecordModify *modify)
{
_fitsKeywordsLoaded = false;
_fitsKeywords.clear();
if(QRegularExpression("fits", QRegularExpression::CaseInsensitiveOption).match(suffix()).hasMatch())
{
fitsfile *file;
int status = 0;
fits_open_diskfile(&file, _path.toLocal8Bit().data(), READWRITE, &status);
int num = 0;
fits_get_num_hdus(file, &num, &status);
if(status)
{
_engine->newMessage("Failed to open FITS file", true);
return false;
}
int imgtype;
int naxis;
long naxes[3] = {0};
int type = -1;
for(int i=1; i <= num; i++)
{
fits_movabs_hdu(file, i, IMAGE_HDU, &status);
fits_get_hdu_type(file, &type, &status);
fits_get_img_param(file, 3, &imgtype, &naxis, naxes, &status);
if(type == IMAGE_HDU && naxis >= 2 && naxis <= 3 && status == 0)
break;
if(i == num)return false;
}
for(auto &remove : modify->_remove)
{
fits_delete_key(file, remove.toLatin1().data(), &status);
}
for(auto &record : modify->_update)
{
switch(record.value.typeId())
{
case QMetaType::Bool:
{
int val = record.value.toBool();
fits_update_key(file, TLOGICAL, record.key.data(), &val, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
case QMetaType::Int:
case QMetaType::UInt:
{
long long val = record.value.toLongLong();
fits_update_key(file, TLONGLONG, record.key.data(), &val, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
case QMetaType::QString:
{
QByteArray val = record.value.toString().toLatin1();
fits_update_key(file, TSTRING, record.key.data(), val.isEmpty() ? nullptr : val.data(), record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
case QMetaType::Float:
case QMetaType::Double:
{
double val = record.value.toDouble();
fits_update_key(file, TDOUBLE, record.key.data(), &val, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
default:
_engine->newMessage("Unknown type for KEY " + record.key, true);
return false;
break;
}
if(status)
{
char error[100];
fits_get_errstatus(status, error);
_engine->newMessage(QString("Error when updating KEY {} {}").arg(record.key).arg(error), true);
return false;
}
}
for(auto &record : modify->_add)
{
switch(record.value.typeId())
{
case QMetaType::Bool:
{
int val = record.value.toBool();
fits_write_key(file, TLOGICAL, record.key.data(), &val, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
case QMetaType::Int:
case QMetaType::UInt:
{
long long val = record.value.toLongLong();
fits_write_key(file, TLONGLONG, record.key.data(), &val, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
case QMetaType::QString:
{
QByteArray val = record.value.toString().toLatin1();
fits_write_key(file, TSTRING, record.key.data(), val.isEmpty() ? nullptr : val.data(), record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
case QMetaType::Float:
case QMetaType::Double:
{
double val = record.value.toDouble();
fits_write_key(file, TDOUBLE, record.key.data(), &val, record.comment.isEmpty() ? nullptr : record.comment.data(), &status);
break;
}
default:
_engine->newMessage("Unknown type for KEY " + record.key, true);
return false;
break;
}
if(status)
{
char error[100];
fits_get_errstatus(status, error);
_engine->newMessage(QString("Error when adding KEY {} {}").arg(record.key).arg(error), true);
return false;
}
}
fits_close_file(file, &status);
return status == 0;
}
return false;
}
bool File::isMarked() const
{
return _engine->isMarked(this);
@@ -408,4 +541,20 @@ void ScriptEngineThread::interrupt()
if(_engine)_engine->interrupt();
}
void FITSRecordModify::removeKeyword(const QString &key)
{
if(!_remove.contains(key))
_remove.append(key);
}
void FITSRecordModify::updateKeyword(const QString &key, const QVariant &value, const QString &comment)
{
_update.append({key.toLatin1(), value, comment.toLatin1()});
}
void FITSRecordModify::addKeyword(const QString &key, const QVariant &value, const QString &comment)
{
_update.append({key.toLatin1(), value, comment.toLatin1()});
}
}