static const char * XML_EDGES
static const char * XML_MATRIX_ZX
static const char * XML_MATRIX_ZY
static const char * XML_MATRIX_XX
static const char * XML_EDGE_DOUBLE_WEIGHT_ID
static const char * XML_MATRIX_YY
static const char * XML_ORIGIN_X
static const char * XML_MATRIX_XZ
static const char * XML_VERTEX_Z
static const char * XML_MATRIX_ZZ
static const char * XML_VERTEX_ID
static const char * XML_VERTEX_X
static const char * XML_ORIGIN_Y
static const char * XML_VERTEX_LABEL
static const char * XML_FILE_VERSION
static const char * FILE_NAME
static const char * XML_CONNECTOMICS_FILE
static const char * XML_EDGE_TARGET_ID
static const char * XML_VERTICES
static const char * XML_MATRIX_YX
static const char * ASCII_FILE
static const char * XML_MATRIX_YZ
static const char * XML_VERTEX_Y
static const char * XML_GEOMETRY
static const char * XML_SPACING_Y
static const char * XML_SPACING_X
static const char * XML_EDGE_WEIGHT_ID
static const char * VERSION_STRING
static const char * XML_EDGE_ID
static const char * XML_EDGE
static const char * XML_ORIGIN_Z
static const char * XML_SPACING_Z
static const char * XML_EDGE_SOURCE_ID
static const char * XML_MATRIX_XY
static const char * XML_VERTEX