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Merge pull request #13496 from mike-000/projection-scale

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Improve Projection and Scale example calculations
This commit is contained in:
Andreas Hocevar
2022-04-11 21:47:41 +02:00
committed by GitHub
parent 353cb4e2fd c926980339
commit 5651520dcd
1 changed files with 7 additions and 12 deletions
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19
examples/projection-and-scale.js
View File

@@ -43,18 +43,13 @@ function onChangeProjection() {
const currentCenter = currentView.getCenter();
const currentRotation = currentView.getRotation();
const newCenter = transform(currentCenter, currentProjection, newProjection);
const currentPointResolution = getPointResolution(
currentProjection,
1,
currentCenter,
'm'
);
const newPointResolution = getPointResolution(
newProjection,
1,
newCenter,
'm'
);
const currentMPU = currentProjection.getMetersPerUnit();
const newMPU = newProjection.getMetersPerUnit();
const currentPointResolution =
getPointResolution(currentProjection, 1 / currentMPU, currentCenter, 'm') *
currentMPU;
const newPointResolution =
getPointResolution(newProjection, 1 / newMPU, newCenter, 'm') * newMPU;
const newResolution =
(currentResolution * currentPointResolution) / newPointResolution;
const newView = new View({