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This commit is contained in:
Tim Schaub
2017-12-11 16:29:33 -07:00
parent 1cdb6a66f0
commit 7f47883c48
737 changed files with 22216 additions and 21609 deletions
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29
src/ol/geom/flat/interpolate.js
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@@ -1,7 +1,9 @@
goog.provide('ol.geom.flat.interpolate');
goog.require('ol.array');
goog.require('ol.math');
/**
* @module ol/geom/flat/interpolate
*/
import _ol_array_ from '../../array.js';
import _ol_math_ from '../../math.js';
var _ol_geom_flat_interpolate_ = {};
/**
@@ -13,7 +15,7 @@ goog.require('ol.math');
* @param {Array.<number>=} opt_dest Destination.
* @return {Array.<number>} Destination.
*/
ol.geom.flat.interpolate.lineString = function(flatCoordinates, offset, end, stride, fraction, opt_dest) {
_ol_geom_flat_interpolate_.lineString = function(flatCoordinates, offset, end, stride, fraction, opt_dest) {
var pointX = NaN;
var pointY = NaN;
var n = (end - offset) / stride;
@@ -40,14 +42,14 @@ ol.geom.flat.interpolate.lineString = function(flatCoordinates, offset, end, str
y1 = y2;
}
var target = fraction * length;
var index = ol.array.binarySearch(cumulativeLengths, target);
var index = _ol_array_.binarySearch(cumulativeLengths, target);
if (index < 0) {
var t = (target - cumulativeLengths[-index - 2]) /
(cumulativeLengths[-index - 1] - cumulativeLengths[-index - 2]);
var o = offset + (-index - 2) * stride;
pointX = ol.math.lerp(
pointX = _ol_math_.lerp(
flatCoordinates[o], flatCoordinates[o + stride], t);
pointY = ol.math.lerp(
pointY = _ol_math_.lerp(
flatCoordinates[o + 1], flatCoordinates[o + stride + 1], t);
} else {
pointX = flatCoordinates[offset + index * stride];
@@ -73,7 +75,7 @@ ol.geom.flat.interpolate.lineString = function(flatCoordinates, offset, end, str
* @param {boolean} extrapolate Extrapolate.
* @return {ol.Coordinate} Coordinate.
*/
ol.geom.flat.interpolate.lineStringCoordinateAtM = function(flatCoordinates, offset, end, stride, m, extrapolate) {
_ol_geom_flat_interpolate_.lineStringCoordinateAtM = function(flatCoordinates, offset, end, stride, m, extrapolate) {
if (end == offset) {
return null;
}
@@ -118,7 +120,7 @@ ol.geom.flat.interpolate.lineStringCoordinateAtM = function(flatCoordinates, off
coordinate = [];
var i;
for (i = 0; i < stride - 1; ++i) {
coordinate.push(ol.math.lerp(flatCoordinates[(lo - 1) * stride + i],
coordinate.push(_ol_math_.lerp(flatCoordinates[(lo - 1) * stride + i],
flatCoordinates[lo * stride + i], t));
}
coordinate.push(m);
@@ -136,10 +138,10 @@ ol.geom.flat.interpolate.lineStringCoordinateAtM = function(flatCoordinates, off
* @param {boolean} interpolate Interpolate.
* @return {ol.Coordinate} Coordinate.
*/
ol.geom.flat.interpolate.lineStringsCoordinateAtM = function(
_ol_geom_flat_interpolate_.lineStringsCoordinateAtM = function(
flatCoordinates, offset, ends, stride, m, extrapolate, interpolate) {
if (interpolate) {
return ol.geom.flat.interpolate.lineStringCoordinateAtM(
return _ol_geom_flat_interpolate_.lineStringCoordinateAtM(
flatCoordinates, offset, ends[ends.length - 1], stride, m, extrapolate);
}
var coordinate;
@@ -170,10 +172,11 @@ ol.geom.flat.interpolate.lineStringsCoordinateAtM = function(
if (m < flatCoordinates[offset + stride - 1]) {
return null;
} else if (m <= flatCoordinates[end - 1]) {
return ol.geom.flat.interpolate.lineStringCoordinateAtM(
return _ol_geom_flat_interpolate_.lineStringCoordinateAtM(
flatCoordinates, offset, end, stride, m, false);
}
offset = end;
}
return null;
};
export default _ol_geom_flat_interpolate_;