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Ideas Lab

We believe that the best way for Halcrow to develop ISIS is to understand our customers needs. We want to meet your needs now and in the future. With this in mind we have created the Ideas Lab which allows all of us to be closer to the creative side of driving forward ISIS. The goal is for you to tell Halcrow what features should be within ISIS. We hope this site fosters a candid and robust conversation about your ideas. Our commitment is to listen to your ideas and to implement the best ones. We will keep you posted on how the ideas are being implemented in ISIS.

 

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interesting ideas you want to see

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Showing recent ideas 1 - 10 of 86

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1
Published on 11/08/2010 at 11:00 by glove_01
When using the culvert routine (inlet / barrel / outlet) from a reservoir you need to create a dummy cross-section with next to zero velocity to get the inlet unit to operate as intended. That is, to determine the upstream velocity and hence calculate the inlet losses. Given that for a reservoir situation the upstream velocity is nearly always negligible, it would be good to have an override on the inlet unit, so that you didnt have to reference an upstream cross-section if it is not applicable to the situation.
3
Published on 11/08/2010 at 10:57 by glove_01
Reservoir units should have the option of being input as Stage v Volume, not just Stage v Area. In my experience many reservoir operators give their data as Stage v Volume rather than Stage v Area requiring manual conversion to Stage v Area.
0
Published on 11/08/2010 at 10:52 by glove_01
A generic rainfall-runoff hydrologic unit would be very beneficial. ReFH, FEH, FSSR are UK specific and cannot readily be applied to areas outside of the UK. SCS UH is focused more on the USA. For use on international development projects (eg Africa) where the hydrological methods are less developed than the UK, a rainfall-runoff generator like the Laurenson method (used by the likes of XP-RAFTS) would be very handy, where the sub-catchment data input is quite generic and non-country specific. With the Laurenson method you only need to input: catchment area, slope, degree of urbanisation, rainfall losses and observed or design rainfall. Therefore, when you are working on international projects you could used ISIS hydrologically as well as hydraulically.
4
Published on 25/06/2010 at 17:21 by chasward
In a similar vein to the plot of max stage, it would be useful to be able to add max flow to a long section chart.
3
Published on 18/06/2010 at 14:44 by chasward
It would be really nice to be able to output the model results in the order that they appear in the model.

Due to different survey datasets having different labels we have disparate node label systems that are difficult to order using parsing techniques. For example 01_nnnn labels are interspersed with AAAA_nnnn, so sorting just lumps the 01's together and the AAAA's together. Alternatively its a manual task.

Comments:

adamsk commented on behalf of the ISIS team: This can partially be overcome by using the "Tools->Sort Initial Conditions" option in the main UI. You'd have to ...

3
Published on 14/06/2010 at 08:58 by Chris
Is it possible to add in an option to hide rows from the main window to simplify the viewer with large models? This could perhaps be in a simmilar way to Excel where a group of selected units are hidden, or even replaced with a single flag row informing any user that a range of units have been hidden for simplicity. This is particularly relevant when working on large models it can be fairly laborious and time consuming to scroll up and down to edit or look at a couple of locations whic may be of interest. For example where the model inflows are stored at the top of dat file, the cross-sections are somewhere in the middle, and the spills are stored at the bottom.
6
Published on 28/05/2010 at 12:12 by chasward
It would be nice if I could select (for e.g.) panel markers on a cross-section plot and have this setting persist. Currently when I navigate to the next section I then have to reselect the plot options - a bit tedious after a while!

Comments:

» Richard_Measures commented: Good idea - This is a similar but slightly different point to the idea "Non-disappearing panel markers and Manning's ...

5
Published on 28/05/2010 at 12:00 by chasward
To facilitate the development of 1d-2d ie. ISIS-TUFLOW modelling. It would provide a quicker solution to move an existing ISIS model to ISIS-TUFLOW if the out of bank areas could be quickly deleted / disabled. Disabling (as in commenting-out the data) would provide a better solution than deletion since the bank could then be re-instated later / the information would not be lost.

Comments:

» PHA commented: This is a good idea in principal, but many many models don't have the bank markers in the right place to trim to for ...

5
Published on 26/05/2010 at 15:41 by Chris
It can sometimes be difficult to see the node symbols if a background map has been added. Would it be possible to add an option in the GIS Visualiser to make background layers transparent?
2
Published on 25/05/2010 at 11:27 by mabever
Could a more intuitive method for linking nodes together be developed? The current labelling system is very 1980s, slow and frustrating.

If the visualiser was more integral to the software something similar to HEC HMS could be used where you just drag and click connections or select from a drop down list.

This is obviously a major change to the way folk currently interact with isis, but really is long overdue.

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