1 | declare namespace google.maps.geometry {
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2 | namespace encoding {
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3 | function decodePath(encodedPath: string): LatLng[];
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4 |
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5 | function encodePath(path: LatLng[] | MVCArray<LatLng>): string;
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6 | }
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7 |
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8 | /**
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9 | * Utility functions for computing geodesic angles, distances and areas.
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10 | * The default radius is Earth's radius of 6378137 meters.
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11 | */
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12 | namespace spherical {
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13 | /**
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14 | * Returns the area of a closed path.
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15 | * The computed area uses the same units as the radius.
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16 | * The radius defaults to the Earth's radius in meters,
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17 | * in which case the area is in square meters.
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18 | */
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19 | function computeArea(path: LatLng[] | MVCArray<LatLng>, radius?: number): number;
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20 |
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21 | /**
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22 | * Returns the distance, in meters, between two LatLngs.
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23 | * You can optionally specify a custom radius.
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24 | * The radius defaults to the radius of the Earth.
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25 | */
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26 | function computeDistanceBetween(from: LatLng, to: LatLng, radius?: number): number;
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27 |
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28 | /**
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29 | * Returns the heading from one LatLng to another LatLng.
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30 | * Headings are expressed in degrees clockwise from North within the range
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31 | * [-180,180).
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32 | */
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33 | function computeHeading(from: LatLng, to: LatLng): number;
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34 |
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35 | /**
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36 | * Returns the length of the given path.
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37 | */
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38 | function computeLength(path: LatLng[] | MVCArray<LatLng>, radius?: number): number;
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39 |
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40 | /**
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41 | * Returns the LatLng resulting from moving a distance from an origin in
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42 | * the specified heading (expressed in degrees clockwise from north).
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43 | */
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44 | function computeOffset(from: LatLng, distance: number, heading: number, radius?: number): LatLng;
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45 |
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46 | /**
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47 | * Returns the location of origin when provided with a LatLng destination,
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48 | * meters travelled and original heading. Headings are expressed in
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49 | * degrees clockwise from North. This function returns null when no
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50 | * solution is available.
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51 | */
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52 | function computeOffsetOrigin(to: LatLng, distance: number, heading: number, radius?: number): LatLng;
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53 |
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54 | /**
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55 | * Returns the signed area of a closed path. The signed area may be used
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56 | * to determine the orientation of the path. The computed area uses the
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57 | * same units as the radius. The radius defaults to the Earth's radius in
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58 | * meters, in which case the area is in square meters.
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59 | */
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60 | function computeSignedArea(loop: LatLng[] | MVCArray<LatLng>, radius?: number): number;
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61 |
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62 | /**
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63 | * Returns the LatLng which lies the given fraction of the way between the
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64 | * origin LatLng and the destination LatLng.
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65 | */
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66 | function interpolate(from: LatLng, to: LatLng, fraction: number): LatLng;
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67 | }
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68 |
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69 | namespace poly {
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70 | function containsLocation(point: LatLng, polygon: Polygon): boolean;
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71 |
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72 | function isLocationOnEdge(point: LatLng, poly: Polygon | Polyline, tolerance?: number): boolean;
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73 | }
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74 | }
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