getSelectedRowNames, getSelectedColnames, selectRows, selectCols? about clustergrammer HOT 7 CLOSED

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Hi Paul,

That's great, I'm glad progress is being made. If I understand you correctly you want to be able to get the current rows/columns and set the current rows/columns.

The Clustergrammer.js API (API docs) supports setting the current rows/columns and you can get the current rows/col from the cgm object (I'll build an API for getting rows/columns later).

You can get the current row/column names using

// get current row names
cgm.params.network_data.row_nodes_names

// get current column names
cgm.params.network_data.col_nodes_names

You can set the current rows/columns using

cgm.filter_viz_using_names({'row':['LRRK2','NRK'], 'col':['H2106', 'H23']})

You can leave the row and/or col attributes empty to reset the rows/columns.

You can try running these commands in the developer console of the github.io page: http://maayanlab.github.io/clustergrammer/

Let us know if that is what you are looking for.

Best,
Nick

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Hi Paul,

Scenario 1
You can interactively select a row or cluster of rows in two ways. You can crop, where you draw out a region of interest that filters out only that area (then you can use the previous command to get the row/col names in JavaScript). You can also use the interactive dendrogram to crop into clusters of different sizes and to get the row/col names of the selected cluster.

Scenario 2
Would the cgm.filter_viz_using_names endpoint work for this? You can use it to programmatically filter the visualization for rows/columns of interest.

Let me know if that helps.

Best,
Nick

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Great, I'll close the issue then.

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@cornhundred, I want to report which subset of rows the user has clicked on when they crop the matrix. To do so, I've used matrix_update_callback when constructing the Clustergrammer object. However, the callback doesn't seem to be passed any arguments. So then I called cgm.params.network_data.row_nodes_names from inside the callback as you suggest above. However, the issue is that this list of row_nodes is outdated; it's what the matrix had before the user cropped. I want the new subset of nodes that is the result of the current filtering. How can I get that, as soon as it happens?

/* This is the function I pass as 'matrix_update_callback' */
handleMatrixUpdate(matrix_filter) {
    /* when I set a breakpoint here, 'matrix_filter' is null,
    so this callback isn't passed any info */
    const new_rows = this.cgm.params.network_data.row_nodes_names; /* But this doesn't give
    me what I want, `new_rows` is outdated, it's what was visible before the current matrix update */
}

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After looking at the code that calls the callback, it looks like in order to get the behavior I am looking for, one of these two must be the case:

1. We need a new optional callback, something like matrix_updated_callback, to be called after the update completes
2. We need to call the callback function and pass in new_network_data

Either one would require a fork and rebuild of Clustergrammer. However, I'm hoping there's some other way to do this that I'm not aware of.
Thanks!

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