Tech Lead at Taktile.
Formerly Firebase, Google
Public
Edited
Feb 2
Importers
17 stars
trajectory_manipulate = manipulate({
this: this,
viewofData: viewof x_trajectory,
viewofPlot: viewof plot_trajectory,
invalidation,
onInteraction: ({
event,
pixelStart,
pixelCurrent,
dataStart,
dataCurrent,
viewofPlot
}) => {
// Adjust control surface
const scaleX = viewofPlot.scale("x");
const scaleY = viewofPlot.scale("y");
dataCurrent.i = Math.max(
invert(
scaleX,
scaleX.apply(dataStart.i) + pixelCurrent[0] - pixelStart[0]
),
0.1
);
dataCurrent.j = Math.max(
invert(
scaleY,
scaleY.apply(dataStart.j) + pixelCurrent[1] - pixelStart[1]
),
0.1
);
// fix velocity
const magnitude = Math.sqrt(
dataCurrent.i * dataCurrent.i + dataCurrent.j * dataCurrent.j
);
if (magnitude > 50) {
const scale = 50 / magnitude;
dataCurrent.i *= scale;
dataCurrent.j *= scale;
}
event.preventDefault(); // prevents scrolling on mobile
}
})
manipulate({
this: this,
viewofData: viewof x_simple,
viewofPlot: viewof plot_simple,
invalidation,
onInteraction: ({
event,
pixelStart,
pixelCurrent,
dataStart,
dataCurrent,
viewofPlot
}) => {
const scaleX = viewofPlot.scale("x");
const scaleY = viewofPlot.scale("y");
dataCurrent.x = invert(
scaleX,
scaleX.apply(dataStart.x) + pixelCurrent[0] - pixelStart[0]
);
dataCurrent.y = invert(
scaleY,
scaleY.apply(dataStart.y) + pixelCurrent[1] - pixelStart[1]
);
event.preventDefault(); // prevents scrolling on mobile
}
})
manipulate({
this: this,
viewofData: viewof x_ordcat,
viewofPlot: viewof plot_ordcat,
invalidation,
onInteraction: ({
event,
pixelStart,
pixelCurrent,
dataStart,
dataCurrent,
viewofPlot
}) => {
const scaleX = viewofPlot.scale("x");
const scaleY = viewofPlot.scale("y");
dataCurrent.ordinal = invert(
scaleX,
scaleX.apply(dataStart.ordinal) + pixelCurrent[0] - pixelStart[0]
);
dataCurrent.categorical = invert(
scaleY,
scaleY.apply(dataStart.categorical) + pixelCurrent[1] - pixelStart[1]
);
event.preventDefault(); // prevents scrolling on mobile
}
})
manipulate({
this: this,
viewofData: viewof x_sliders,
viewofPlot: viewof plot_sliders,
invalidation,
onInteraction: ({
event,
pixelStart,
pixelCurrent,
dataStart,
dataCurrent,
viewofPlot
}) => {
const y_scale = viewofPlot.scale("y");
dataCurrent.value = invert(
y_scale,
y_scale.apply(dataStart.value) + pixelCurrent[1] - pixelStart[1]
);
event.preventDefault(); // prevents scrolling on mobile
}
})
manipulate({
this: this,
viewofData: viewof x_nodes,
viewofPlot: viewof plot_graph,
invalidation,
onInteraction: ({
event,
pixelStart,
pixelCurrent,
dataStart,
dataCurrent,
viewofPlot
}) => {
const x_scale = viewofPlot.scale("x");
const y_scale = viewofPlot.scale("y");
dataCurrent.x = invert(
x_scale,
x_scale.apply(dataStart.x) + pixelCurrent[0] - pixelStart[0]
);
dataCurrent.y = invert(
y_scale,
y_scale.apply(dataStart.y) + pixelCurrent[1] - pixelStart[1]
);
event.preventDefault(); // prevents scrolling on mobile
}
})
manipulate({
this: this,
viewofData: viewof x_edges_domain,
viewofPlot: viewof plot_edges,
invalidation,
onInteraction: ({
event,
pixelStart,
pixelCurrent,
dataStart,
dataCurrent,
viewofPlot
}) => {
if (!_.isEqual(pixelStart, pixelCurrent)) return; // only trigger for click
const edgeIndex = viewof x_edges.value.findIndex((x) =>
_.isEqual(x, dataCurrent)
);
if (edgeIndex != -1) {
viewof x_edges.value.splice(edgeIndex, 1);
} else {
viewof x_edges.value.push({ ...dataCurrent });
}
viewof x_edges.dispatchEvent(new Event("input"));
event.preventDefault(); // prevents scrolling on mobile
}
})
// import { land } from "@observablehq/plot-world-map"
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