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Narlotl / survey-markers

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survey-markers

An API for NGS geodetic survey markers.

Endpoints

Get markers: https://us-central1-survey-markers.cloudfunctions.net/getMarkers?parameters
Example response:

{
    "markers": [
        {
            // Type of marker
            "marker": "CHISELED TRIANGLE",
            // What it's in
            "setting": "SET IN A MASSIVE STRUCTURE",
            // Specific setting (uncommon)
            "spSet": "BUILDING",
            // Stability
            "stability": "PROBABLY HOLD POSITION/ELEVATION WELL",
            // Marker description
            "description": "BY COAST AND GEODETIC SURVEY 1956 AT SAN FRANCISCO. AT SAN FRANCISCO, ALONG SEVENTH STREET, BETWEEN KING AND TOWNSEND STREETS, AT A THREE STORY BRICK BUILDING OCCUPIED BY BAKER AND HAMILTON, ON TOP OF THE NORTHWEST END OF THE BOTTOM STEP OF THE MAIN ENTRANCE, 125 FEET SOUTHWEST OF THE CENTER LINE OF TOWNSEND STREET, 0.5 FOOT SOUTHEAST OF THE SOUTHEAST END OF THE BRICK WALL AT THE NORTHEAST DOOR, 0.7 FOOT HIGHER THAN THE SIDEWALK, AND ABOUT 1 FOOT HIGHER THAN THE STREET.",
            // Height above sea level (meters)
            "elevation": 4.54,
            // Marker report history
            "history": [
                {
                    "date": "UNK",
                    "condition": "MONUMENTED",
                    "reporter": "CA3290"
                },
                {
                    "date": "1956",
                    "condition": "GOOD",
                    "reporter": "CGS"
                }
            ],
            // Marker PID
            "id": "HT0754",
            // Location
            "latitude": 37.7725,
            "longitude": -122.4025
        }
    ],
    // Whether a limit was forced
    "paginated": false,
    // How many markers were searched
    "endIndex": 1,
    // How many markers in the state
    "total": 62234
}

Get images: https://us-central1-survey-markers.cloudfunctions.net/getImages?id=ID
Example response:

// List of images for the marker
// Empty if no images
[
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-1-20131105.jpg",
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-2-20190321.jpg",
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-3N-20131025.jpg",
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-3S-20131107.jpg",
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-3E-20120302.jpg",
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-3W-20120302.jpg",
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-1-20201212.jpg",
    "https://geodesy.noaa.gov/cgi-bin/get_image.prl?PROCESSING=get_image&PID=HV1846&filename=HV1846-MERIDIAN_STONE-2-20201212.jpg"
]

Parameters

Name Description Required
state The state/territory to retrieve in 2 letter code format. State codes can be found at https://firebasestorage.googleapis.com/v0/b/survey-markers.appspot.com/o/states.json?alt=media&token=56e7422d-1377-4aa4-8607-30d946323b09. true
data The data fields to return (will return all data if left empty) recommended, especially for large states
offset How many markers to skip false
limit How many markers to return (a limit is forced on large requests) false
id The single marker ID to return false
location The lat/long coordinates to center the search with radius
radius How far in kilometers to search from location with location
search A RegEx query or string search for marker descriptions false
condition The last recorded condition of the marker false
reporter Reporter of any report in the marker's history false

Examples

Javascript

fetch('https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description')
.then(res => res.json())
.then(data => {
    // Handle data
});

Python

from requests import get
from json import loads

req = get("https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description")

json = loads(req.text)

# Handle data

The following examples are AI written and may not work. Please create an issue if there is a problem with one. Help with an accurate example or an example for a missing language is greatly appreciated.

Java (requires GSON)

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import com.google.gson.Gson;
import com.google.gson.JsonObject;

public class Main {
    public static void main(String[] args) {
        URL url = new URL("https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description");

        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        conn.setRequestMethod("GET");

        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String inputLine;
        StringBuilder response = new StringBuilder();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        Gson gson = new Gson();
        JsonObject json = gson.fromJson(response.toString(), JsonObject.class);

        // Handle data
    }
}

Ruby

require 'net/http'
require 'json'

url = URI.parse('https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description')
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = (url.scheme == 'https')

response = http.request(Net::HTTP::Get.new(url.request_uri))
json_response = JSON.parse(response.body)

# Handle data

Go

package main

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net/http"
)

type Response struct {
	State string `json:"state"`
	Data  string `json:"data"`
}

func main() {
	url := "https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description"

	resp, err := http.Get(url)
	if err != nil {
		fmt.Println("Error sending request:", err)
		return
	}
	defer resp.Body.Close()

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		fmt.Println("Error reading response body:", err)
		return
	}

	var jsonResp Response
	err = json.Unmarshal(body, &jsonResp)
	if err != nil {
		fmt.Println("Error parsing JSON response:", err)
		return
	}

	// Handle data
}

PHP

<?php

$url = 'https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description';
$response = file_get_contents($url);
$json_response = json_decode($response, true);

// Handle data

Rust (requires reqwest and serde_json)

use std::io::Read;
use reqwest::blocking::get;
use serde_json::json;

fn main() {
    let url = "https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description";
    let response = get(url);

    let mut body = String::new();
    response
        .read_to_string(&mut body)

    let json_response = json::parse(&body).expect("Failed to parse JSON response");

    // Handle data
}

C++ (requires libcurl and nlohmann/json)

#include <iostream>
#include <curl/curl.h>
#include <nlohmann/json.hpp>

using json = nlohmann::json;

size_t WriteCallback(void* contents, size_t size, size_t nmemb, std::string* response)
{
    size_t totalSize = size * nmemb;
    response->append((char*)contents, totalSize);
    return totalSize;
}

int main()
{
    curl_global_init(CURL_GLOBAL_DEFAULT);

    CURL* curl = curl_easy_init();
    if (!curl)
    {
        std::cerr << "Failed to initialize CURL." << std::endl;
        return 1;
    }

    std::string url = "https://us-central1-survey-markers.cloudfunctions.net/getMarkers?state=aa&data=id,description";
    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());

    std::string response;
    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);

    CURLcode res = curl_easy_perform(curl);
    if (res != CURLE_OK)
    {
        std::cerr << "Failed to perform CURL request: " << curl_easy_strerror(res) << std::endl;
        curl_easy_cleanup(curl);
        return 1;
    }

    curl_easy_cleanup(curl);

    json json_response = json::parse(response);

    // Handle data

    return 0;
}

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Language:JavaScript 100.0%