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Fix: robust error handling, no error for 0.

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GoteGuru 2022-04-07 22:51:36 +00:00
parent e2a6b16c6c
commit 312f640107
1 changed files with 7 additions and 4 deletions
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11
modules/submap.js
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@ -140,7 +140,10 @@ window.Submap = (function () {
stage("Resampling culture, state and religion map.")
for(const [id, gridCellId] of cells.g.entries()) {
const oldGridId = reverseGridMap[gridCellId];
if (!oldGridId) throw new Error("Old grid Id must be defined!")
if (oldGridId === undefined) {
console.error('Can not find old cell id', reverseGridMap, 'in', gridCellId);
continue;
}
// find old parent's children
const oldChildren = oldCells.i.filter(oid=>oldCells.g[oid]==oldGridId);
let oldid; // matching cell on the original map
@ -175,12 +178,12 @@ window.Submap = (function () {
}
const [oldpx, oldpy] = oldCells.p[oid];
const nd = distance(projection(oldpx, oldpy, false));
if (!nd) {
console.error("no distance!", nd, "old point", oldpx, oldpy)
if (isNaN(nd)) {
console.error("Distance is not a number!", "Old point:", oldpx, oldpy);
}
if (nd < d) [d, oldid] = [nd, oid];
})
if (!oldid) {
if (oldid === undefined) {
console.warn("Warning, no match for", id, "(parent:", gridCellId, ")");
continue;
}