bool ossimHdf4SubDataset::open()
{
static const char MODULE[] = "ossimHdf4SubDataset::open";
bool result = false;
m_sd_id = SDstart(m_fileName.c_str(), DFACC_READ);
if (m_sd_id < 0)
{
result = false;
}
else
{
result = true;
}
m_sds_id = SDselect(m_sd_id, m_sds_index);
if (m_sds_id < 0)
{
result = false;
}
else
{
result = true;
}
if (result == false)
{
SDendaccess (m_sds_id);
SDend (m_sd_id);
}
initMeta();
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< MODULE << " exit status = " << (result?"true":"false\n")
<< std::endl;
}
return result;
}
/*
* Class: edu_uw_apl_commons_tsk4j_filesys_FileSystem
* Method: initNative
* Signature: ()V
*/
JNIEXPORT void JNICALL
Java_edu_uw_apl_commons_tsk4j_filesys_FileSystem_initNative
(JNIEnv *env, jclass clazz) {
jint status;
status = initBlock( env );
if( status != JNI_OK )
return;
status = initBlockWalk( env );
if( status != JNI_OK )
return;
status = initMeta( env );
if( status != JNI_OK )
return;
status = initName( env );
if( status != JNI_OK )
return;
status = initFile( env );
if( status != JNI_OK )
return;
status = initWalkFile( env );
if( status != JNI_OK )
return;
status = initDirectory( env );
if( status != JNI_OK )
return;
status = initDirectoryWalk( env );
if( status != JNI_OK )
return;
status = initMetaWalk( env );
if( status != JNI_OK )
return;
}
bool ossimHdf5SubDataset::open()
{
static const char MODULE[] = "ossimHdf5SubDataset::open";
bool result = false;
m_fid = H5Fopen(m_fileName.c_str(), H5F_ACC_RDONLY, H5P_DEFAULT);
if (m_fid < 0)
{
H5Fclose(m_fid);
return false;
}
// Third arg added for compile fix but not checked. (drb)
m_dataset_id = H5Dopen(m_fid, m_dataset_name, 0);
if (m_dataset_id < 0)
{
close();
return false;
}
m_dataType = H5Dget_type(m_dataset_id);
m_native = H5Tget_native_type(m_dataType, H5T_DIR_ASCEND );
setOutputScalarType();
H5Tget_class(m_dataType);
H5Tget_order(m_dataType);
m_size = H5Tget_size(m_dataType);
m_dataspace = H5Dget_space(m_dataset_id); /* dataspace handle */
m_rank = H5Sget_simple_extent_ndims(m_dataspace);
if (m_rank == 4)
{
hsize_t dims_out[4];
herr_t status_n = H5Sget_simple_extent_dims(m_dataspace, dims_out, NULL);
if (status_n >= 0)
{
m_numberOfBands = dims_out[2];
m_numberOfLines = dims_out[0];
m_numberOfSamples = dims_out[1];
}
}
else if (m_rank == 3)
{
hsize_t dims_out[3];
herr_t status_n = H5Sget_simple_extent_dims(m_dataspace, dims_out, NULL);
if (status_n >= 0)
{
if (dims_out[2] < dims_out[0] && dims_out[2] < dims_out[1])
{
m_numberOfBands = dims_out[2];
m_numberOfLines = dims_out[0];
m_numberOfSamples = dims_out[1];
}
else
{
m_numberOfBands = dims_out[0];
m_numberOfLines = dims_out[1];
m_numberOfSamples = dims_out[2];
}
}
}
else if (m_rank == 2)
{
hsize_t dims_out[2];
herr_t status_n = H5Sget_simple_extent_dims(m_dataspace, dims_out, NULL);
if (status_n >= 0)
{
m_numberOfBands = 1;
m_numberOfLines = dims_out[0];
m_numberOfSamples = dims_out[1];
}
}
else if (m_rank == 1)
{
hsize_t dims_out[1];
herr_t status_n = H5Sget_simple_extent_dims(m_dataspace, dims_out, NULL);
if (status_n >= 0)
{
m_numberOfBands = 0;
m_numberOfLines = dims_out[0];
m_numberOfSamples = 0;
}
}
else
{
m_numberOfBands = 0;
m_numberOfLines = 0;
m_numberOfSamples = 0;
}
result = initMeta();
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< MODULE << " exit status = " << (result?"true":"false\n")
<< std::endl;
}
return result;
}