netnode | networked environment | Networking library
kandi X-RAY | netnode Summary
kandi X-RAY | netnode Summary
Netnode is a convenient "pipefitting" tool in a networked environment. It is similar to netcat, but has some features that enhance useability and convenience. It has a binary output mode, clients stay alive and go into retry loops if servers die, it interacts with filesystem-resident channels such as named pipes and /dev/tty*, etc.
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QUESTION
I want to visualize Activities and their relations with a network model like this
I have the table and want to draw the model. Which method do you recommend for doing this issue?
Edit:
When I add a Node Data(a DataTable contains more than 100 rows with Activities and Predecessors Columns) to this Program and using as Node resources , got the
"Index was out of range. Must be non-negative and less than the size of the collection"
(according to @TaW's answer),
in the layoutNodeY() part
line:
nodes.Values.ElementAt(i)[j].VY = 1f * j - c / 2
ANSWER
Answered 2018-Nov-18 at 10:45I recommend putting as much of the complexity as possible into data structures.
I make much use of List
and at one time of a Dictionary>
Note that this post is a good deal longer than SO answers usually are; I hope it is instructive..
Let's start with a node class
- It should know its own name and other text data you want to print
- It also needs to know the previous nodes and to allow tranversing in both direction..
- ..a list of next nodes
- It will also know its virtual position in the layout; this will have to be scaled when drawing to fit the given area..
- And it should know how to draw itself and the connections to its neighbours.
These nodes can then be collected and managed in a second class that can analyse them to fill in the lists and the positions.
Here is the result, using your data plus one extra node:
Now let's have a closer lok at the code.
The node class first:
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