Error: SignalTap and incremental compilation

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SignalTap can tap two different types of signals, post-fitting and pre-shynthesis. Tapping post-fitting signals requires incremental compilation, which is not available in the Web edition.

Make sure the nodes you add to your STP file are pre-synthesis signals. You use the Node Finder filter to select "Signal Tap II: pre-synthesis".

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It´s correct. But, is writen in datashet 14. Design Debugging Using the

SignalTap II Embedded Logic Analyzer that "The Quartus II software does not limit the number of signals available for monitoring in the SignalTap II window waveform display."

But when I choose another signal with right button of mouse over the signal or trying to add node(that doesn´t appear in the node list)

The option "Add Node to Signal Tap II Logic Analyzer" with the right button mouser of the signal appears disable for some signals. Why ??

We can´t use incremental compilation with web edition and because of that we can´t use post synthesis.

The same bug happens also to me using Altera Web edition 9.1

A simple way to solve it is to digit in the tcl console

set_global_assignment -name INCREMENTAL_COMPILATION OFF

I had the same experience...

What I did was accidentally selected some post-fitting signals during my signal tap setup. I immediately realized this because those post-fitting signals were blue..I removed them and hope that it would still compile because I haven't save my design or anything..However, the compiler failed because of this "incremental compilation is not supported for web license"...Anyway...The GUI showed that incremental compilation is disabled and gray out, so I can't change anything....Then I opened up the .qsf file and found the following statement

# start DESIGN_PARTITION(Top)

# ---------------------------

# Incremental Compilation Assignments

# ===================================

set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top

set_global_assignment -name PARTITION_NETLIST_TYPE POST_FIT -section_id Top

set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top

set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT -section_id Top

# end DESIGN_PARTITION(Top)

# -------------------------

By removing these statements, compiler is ever happy again

Is this a bug or Altera is trying to trick people to buy the full license?