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adding flood areas polygon to the map feed screen

master
analuizaff 4 years ago
parent
commit
833fe5c35f
  1. 21
      src/app/components/MapPolygons.js
  2. 4
      src/app/context/CurrentLocationContext.js
  3. 2
      src/app/context/MapDataContext.js
  4. 27
      src/app/screens/MapFeedScreen.js

21
src/app/components/MapPolygons.js

@ -0,0 +1,21 @@
import React, { useState } from "react";
import { View, StyleSheet, Image } from "react-native";
import MapView, { Polygon } from "react-native-maps";
import colors from "../config/colors";
import { dimensions } from "../config/dimensions";
import MapModal from "./MapModal";
const markerSize = 30;
export default function MapPolygons({ coordinates }) {
return (
<Polygon
coordinates={coordinates}
// hole={hole}
strokeColor="rgba(25, 118, 210,0.2)"
fillColor="rgba(25, 118, 210,0.5)"
strokeWidth={5}
/>
);
}

4
src/app/context/CurrentLocationContext.js

@ -22,8 +22,6 @@ const CurrentLocationProvider = ({ children }) => {
});
setCurrentCoordinates({ latitude, longitude });
//console.log({ latitude, longitude });
// console.log(currentCoordinates);
getAddress({ latitude, longitude });
@ -34,7 +32,6 @@ const CurrentLocationProvider = ({ children }) => {
//get user current location address
const getAddress = async (coordenadas) => {
// console.log("PEGANDO ENDEREÇO");
Location.setGoogleApiKey("AIzaSyD_wuuokS3SVczc8qSASrsBq0E5qIpdyMc");
@ -48,7 +45,6 @@ const CurrentLocationProvider = ({ children }) => {
else{//Quando o usuário não da permissão de acesso da localização o geoCode retorna um array vazio
setCurrentLocation("Erro ao carregar localização", coordenadas.x);
}
//console.log(currentLocation);
};

2
src/app/context/MapDataContext.js

@ -70,7 +70,7 @@ const MapDataProvider = ({ children }) => {
setPluviometer(layers.values[2].isSelected);
//setOfficialPluviometer(layers.values[3].isSelected);
setRiver(layers.values[4].isSelected);
//setFloodAreas(layers.values[5].isSelected);
setFloodAreas(layers.values[5].isSelected);
}

27
src/app/screens/MapFeedScreen.js

@ -9,6 +9,7 @@ import { CurrentLocationContext } from "../context/CurrentLocationContext";
import { MapMarkerList } from "../components/MapMarkerList";
import FloatButton from "../components/FloatButton";
import { MapDataContext } from "../context/MapDataContext";
import MapPolygons from "../components/MapPolygons";
function MapFeedScreen(props) {
const context = useContext(CurrentLocationContext);
@ -29,6 +30,27 @@ function MapFeedScreen(props) {
longitudeDelta: map_scale * (screen_width / screen_height),
};
//Coordenadas dos poligonos das áreas de inundação (substituir por valores da API em MapPolygons)
const polyCoordinates = [
{
latitude: location["latitude"] - 0.001,
longitude: location["longitude"] + 0.00002
},
{
latitude: (location.latitude) - 0.0002,
longitude: (location.longitude) + 0.0001
},
{
latitude: (location.latitude) + 0.001,
longitude: (location.longitude) - 0.00002
},
{
latitude: (location.latitude) + 0.0002,
longitude: (location.longitude) - 0.001
}
]
return (
<View style={styles.container}>
<MapView
@ -47,6 +69,11 @@ function MapFeedScreen(props) {
renderFlood={datas.flood}
renderPluviometer={datas.pluviometer}
renderRiver={datas.river} />
{datas.floodAreas && (
<MapPolygons
coordinates={polyCoordinates} />
)}
</MapView>
<FloatButton />
</View>

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