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Dear Steveh,

You need to use the utility command update DB from Map to recalculate the lengths of the links.

Hope this helps

Hi,

Usually a pump object would be used for this but as you have stated that the tank is on top of a hill and drain rather than being actively emptied the operation is slightly different.

In a...

Hi David,

The default values are there to represent the typical response of a UK catchment.

As the cone defines the capacity above the flood level it should be edited based on the topography of...

Hello,

It should be possible to create the subcatchments from the .dgn files.

With a checked out network open you should be able to go to the network menu and select "import data from...

My initial statement about it being 11.0 was incorrect, apologies for that. I actually have the file available up to version 12.0 but in the install directory for 12.5 it is not present. I knew that...

Hi,

It is possible to change the accuracy with which IW displays decimal places before version 11. This can be done by going to the install directory and finding the file iwmd.mdb, this is an...

Hi Simon,

There are several recommendations I would make in this situation. Firstly ensure that all of the defined break nodes in the system only connect to forcemain/pressure solution model...

Hello Salam,

The main advantage of using a SQL database is indeed that the size limit is not 2GB as it is for JET databases.

When using JET databases please do remember that when data is...

Katie,

In InfoWorks you can’t graph and compare observed data vs modelled results at a manhole. In order to compare your data you may use the downstream of the upstream pipe. If the upstream pipe...