add pathways

[timothyfcook]

we need lines between the nodes that utilize the pathways information comes_before and comes_after from the resources.json the names of the pathways (a.k.a. sub-topics) are also listed in second level menu in the top left.

[cameronscott137]

Fought with this a bit today, and may need @whit537's input to get it done. Will keep you posted.

[chadwhitacre]

Planning to work on this on Friday, @cameronscott137. Ideally we can implement it at the javascript layer.

[timothyfcook]

@cameronscott137 working on this now with @whit537 at Sprout Fund

[timothyfcook]

Whenever you click to activate a resource, it highlights the entire pathway in which it is contained.

[chadwhitacre]

Step Next is to highlight all resources in a given pathway when you click on ...

[chadwhitacre]

What he said. 😶

[chadwhitacre]

Started a PR in saxifrage/cityasacampus#181.

[timothyfcook]

Highlighting and targeting pathways is now a GO, now just have to add the pathway lines based on the before_this and after_this properties and print new .svgs

[chadwhitacre]

Working on this ...

Are the DAG.names already ordered? I believe they are ...

[chadwhitacre]

I mean, that's the point of a DAG.

[chadwhitacre]

Okay! So this should be fairly straightforward ...

[chadwhitacre]

We can either draw the paths once when the page loads, and then show/hide them with jQuery, or we can draw and erase them each time you click on a resource. Is it easy to show/hide SVG elements with jQuery? Should be ...

[timothyfcook]

We're talking about the possibility of nodes being part of multiple pathways. Also what if a node references other nodes in its before_this and after_this properties that are NOT part of that original nodes pathway sub_topic

[timothyfcook]

1. Record the sub-topic association (in Django)
2. Read the sub-topic association on page start-up
3. Then when we go to highlight: find the pathway it's part of and highlight the pathway

[chadwhitacre]

Yes, hiding SVG elements is not a problem:

[chadwhitacre]

I can draw paths, but not at the point at which I need to draw them (the second loop, in which I have the previous node available). Hrm ...

[chadwhitacre]

Simple nesting error, on it ...

[chadwhitacre]

[chadwhitacre]

[timothyfcook]

original design:

[chadwhitacre]

Multi-mega-circles!

[chadwhitacre]

I'm currently working through issues with the pathways that have surfaced now that we have multi-maps again.

[chadwhitacre]

Multi-maps with pathways!