// prob.diag might correspond to some other problem or be empty:
this.setDiagram(prob); //V is loaded at this stage
this.copyProblem(prob, this.curproblem);
// prob.diag might correspond to some other problem or be empty:
this.setDiagram(prob); //V is loaded at this stage
this.copyProblem(prob, this.curproblem);