void onReadImage(wxCommandEvent& event);
void onThresholdChange(wxCommandEvent& event);
void onThresholdShow(wxCommandEvent& event);
void onThresholdInterpolation(wxCommandEvent& event);
void onChangeOpacity(wxScrollEvent& event);
void onReadImage(wxCommandEvent& event);
void onThresholdChange(wxCommandEvent& event);
void onThresholdShow(wxCommandEvent& event);
void onThresholdInterpolation(wxCommandEvent& event);
void onChangeOpacity(wxScrollEvent& event);