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Check forward/back 1 world if wrapping

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This commit is contained in:
Ron Young
2017-11-30 14:23:42 -06:00
parent 4990119f86
commit 19bceff077
1 changed files with 4 additions and 4 deletions
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8
src/ol/renderer/canvas/vectorlayer.js
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@@ -181,11 +181,11 @@ ol.renderer.canvas.VectorLayer.prototype.composeFrame = function(frameState, lay
ol.render.canvas.rotateAtOffset(replayContext, -rotation, ol.render.canvas.rotateAtOffset(replayContext, -rotation,
width / 2, height / 2); width / 2, height / 2);
replayGroup.replay(replayContext, transform, rotation, skippedFeatureUids); replayGroup.replay(replayContext, transform, rotation, skippedFeatureUids);
if (vectorSource.getWrapX() && projection.canWrapX() && if (vectorSource.getWrapX() && projection.canWrapX()) {
!ol.extent.containsExtent(projectionExtent, extent)) {
var startX = extent[0]; var startX = extent[0];
var worldWidth = ol.extent.getWidth(projectionExtent); var worldWidth = ol.extent.getWidth(projectionExtent);
var world = 0; var world = 0;
startX -= worldWidth;
var offsetX; var offsetX;
while (startX < projectionExtent[0]) { while (startX < projectionExtent[0]) {
--world; --world;
@@ -196,6 +196,7 @@ ol.renderer.canvas.VectorLayer.prototype.composeFrame = function(frameState, lay
} }
world = 0; world = 0;
startX = extent[2]; startX = extent[2];
startX += worldWidth;
while (startX > projectionExtent[2]) { while (startX > projectionExtent[2]) {
++world; ++world;
offsetX = worldWidth * world; offsetX = worldWidth * world;
@@ -325,8 +326,7 @@ ol.renderer.canvas.VectorLayer.prototype.prepareFrame = function(frameState, lay
vectorLayerRenderBuffer * resolution); vectorLayerRenderBuffer * resolution);
var projectionExtent = viewState.projection.getExtent(); var projectionExtent = viewState.projection.getExtent();
if (vectorSource.getWrapX() && viewState.projection.canWrapX() && if (vectorSource.getWrapX() && viewState.projection.canWrapX()) {
!ol.extent.containsExtent(projectionExtent, frameState.extent)) {
// For the replay group, we need an extent that intersects the real world // For the replay group, we need an extent that intersects the real world
// (-180° to +180°). To support geometries in a coordinate range from -540° // (-180° to +180°). To support geometries in a coordinate range from -540°
// to +540°, we add at least 1 world width on each side of the projection // to +540°, we add at least 1 world width on each side of the projection