Jim,
I have attached a greatly simplified version of what I am trying to
accomplish. I still get the same error. What am I doing wrong?
Jim
From: Jim
Melton
Sent: Monday, August 28, 2023 12:01 PM
Subject: RE: Selector error - "IndexError: output_index must be <
noutputs"
Don’t you need to instantiate “Receive”?
---
Jim
Melton
Non-Sensitive
I am attempting
to use a Selector block with 2 outputs. I want to select the output
programmatically. When I run the flowgraph, I get the subject
error.
The following is
my abbreviated code which is pertinent to the question interspersed with
explanatory comments:
import
Receive Receive is a Hier Block
which I import in to my Python file
blocks_selector_0
= Receive.blocks.selector(gr.sizeof_float*1,0,0) Instantiation of blocks_selector_0. The
Selector block is in the Receive Hier Block.
blocks_selector_0.set_output_index(0)
I am trying to select the 0
output. This is where the error occurs.
0 is certainly
less than 2 so what is happening?
Jim
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