Large graphs are too big and render off screen when initially loaded

[bja43]

[THIS ISSUE IS IN THE DEVELOPMENT BRANCH]

When loading a large graph, the default circle layout renders it entirely off screen, making it seem like nothing was loaded. The only thing that identifies that a graph has been loaded are the x and y scroll bars. If you use these bars to scroll left, then the graph becomes visible. In the attached images, I loaded a graph with 758 nodes.

After initial load:

After scrolling left:

[jdramsey]

I think a good solution is to make the "square layout" the default layout, at least for large graphs. We used to render a large graph as a small circle that could fit into the display box, but the problem there was you could not see or select all of the variables since they were all rendered on top of one another. So we made the circle big enough to be able to see all of the variables, and now there's this problem. The square layout solves the problem since there are always some variables in the top left portion of the layout.

So, TODO: Make the square layout the default layout for large graphs.

[jdramsey]

Plan: Make circle layout the default layout for up to 20 variables, and square layout for larger graphs.

[cg09]

Lingam will not run with missing data filled with asterisks. Direct lingam will. How come and can it be fixed?

On Mon, Oct 9, 2023 at 11:38 AM Joseph Ramsey @.***> wrote:

I think a good solution is to make the "square layout" the default layout, at least for large graphs. We used to render a large graph as a small circle that could fit into the display box, but the problem there was you could not see or select all of the variables since they were all rendered on top of one another. So we made the circle big enough to be able to see all of the variables, and now there's this problem. The square layout solves the problem since there are always some variables in the top left portion of the layout.

So, TODO: Make the square layout the default layout for large graphs.

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[bja43]

I would guess that's an issue with the ICA implementation, but I think @jdramsey would know for sure. Does LiNG-D work when there are missing data?

[jdramsey]

OK I fixed the layout issue in Tetrad by making the default layout circle if # nodes <= 20 and square otherwise, so you don't get apparently empty graphs with the circle layout. Closing.

@cg09 Can you make a separate issue for the missing value problem?