The tag has no wiki summary.

learn more… | top users | synonyms

1
vote
1answer
24 views

How do I flip a lens from a catalog in Zemax?

I am pretty new to this ray tracing software. It is simple to add custom surfaces and insert lenses from a catalog, but I can't figure out how to flip left-right a component without having to modify ...
0
votes
0answers
16 views

How to define multi-page background in Visio?

I'm using Visio for drawing process models and define backgrounds for my normales pages. The processes are very large and extend the page to multiple pages (vertically and horizontally). The ...
4
votes
2answers
3k views

Installing Network Simulator (NS-2, allinone) on Linux Mandriva

I downloaded the Network Simulator NS-2 from here - http://www.isi.edu/nsnam/ns/ns-build.html#allinone Build ns via GCC 4.2.2 - tar-xzf ns-allinone-2.35.tar.gz cd ns-allinone-2.35 ./install Get ...
0
votes
0answers
149 views

Excel/OpenOffice spreadsheet template for expected and actual values

I would like to create a spreadsheet to generate graphs about cost items (anything with a cost, doesn't matter what) in order to have: expected values: these would be created using some formulas ...
1
vote
0answers
105 views

3ds Max Rendering

Hey I render 36 frames from different angles to PNG files on 3Ds Max 2013 but now I want to hide a model and make it so all the parts its blocking to also become transparent. If you don't understand ...
0
votes
1answer
139 views

Network modeling software [closed]

What software is good for modeling network architecture? Essentially, I want to do this: With what software could this be achieved? I need a free or open source solution. I don't need to do a ...
3
votes
4answers
29k views

What's a simple way to do sensitivity analysis in Excel?

I have an Excel model of medium complexity that I'm trying to do some sensitivity analysis on. The ideal would be to have, for each of a set of inputs, run over a range of possible values and store ...
2
votes
2answers
849 views

Add a bitmap to the ground of a Google SketchUp model?

Is it possible to add a bitmap to the floor ground of a Google SketchUp model?
0
votes
2answers
160 views

Collaborative data modelling software?

I'm trying to find a tool where a lot of people can work on a data model collaboratively. Embarcadero has a an ER application called ER/studio which apparently comes with a repository system that ...
1
vote
4answers
760 views

What are the best tools for modeling a pre-existing SQL database structure?

I have a MS SQL database that has been running strong for 10+ years. I'd like to diagram the database structure, without spending hours laying it all out in Visio or something similar... I've ...
0
votes
3answers
923 views

Any examples of a complex, changeable system modelled with a spreadsheet?

When I asked this question using games as the example (hoping it would be more likely to have been done), it was closed as being off topic so let me ask it this way... Has anyone used a spreadsheet ...
1
vote
1answer
116 views

How can I perform business/programming/mindmap 'modeling' in 3d?

Are there any possibilities of modeling in a 3d environment? Not in a Maya or 3d studio MAX way (which I do not have any experience with), but in a UML diagram software kind of way..?