public async Task <ArcGISAreaLengthResponse> CalculateAreasAndLengths(string token, string sr,
EsriGeometryCalcType calculationType, EsriAreaUnit areaUnit, PolygonGeometry geometry, string lengthUnit = "")
{
string queryUrl = $"{getRestServiceEndpoint()}/areasAndLengths";
var areaUnitParam = new ArcGISCalculateAreasAndLengthAreaParam(areaUnit);
PolygonGeometry[] polygonPayload = { geometry };
var encodedContent = new ArcGISEncodedContent
{
{ "f", responseFormat },
{ "token", token },
{ "sr", sr },
{ "lengthUnit", lengthUnit },
{ "calculationType", calculationType.ToString() },
{ "areaUnit", JsonConvert.SerializeObject(areaUnitParam).TrimJsonRequest() },
{ "polygons", JsonConvert.SerializeObject(polygonPayload).TrimJsonRequest() }
};
var resp = await ArcGISHttpClient.PostAsync(queryUrl, encodedContent.ToStringUrlEncodedContent());
var respStr = await resp.Content.ReadAsStringAsync();
if (resp.StatusCode != HttpStatusCode.OK)
{
throw new ArcGISInvalidResponseException($"Unsuccessfull. \n" +
$"Response Code: {resp.StatusCode}\n" +
$"Response: {respStr}" +
$"Query String: {queryUrl}");
}
var model = JsonConvert.DeserializeObject <ArcGISCalculateAreasAndLengthsResponse>(respStr);
if (model.areas.Count > 1 || model.lengths.Count > 1)
{
throw new ArcGISUnexpectedResponseException("Returned response count greater than 1 or equal to 0");
}
return(new ArcGISAreaLengthResponse(model.areas.FirstOrDefault(), model.lengths.FirstOrDefault()));
}
public ArcGISCalculateAreasAndLengthAreaParam(EsriAreaUnit areaUnit)
{
this.areaUnit = areaUnit.ToString();
}
