Projecting to USA Contiguous Lambert Conformal Conic - sindizzy/DSW GitHub Wiki

Example Code: Reproject a Shapefile

This code will take a feature set and project the feature set from a geographic coordinate system to the USA Contiguous Lambert Conic projected coordinate system.

VB Sample Code: 

Imports System
Imports DotSpatial.Projections

Public Class Form1


<span style="color:blue">Private</span> <span style="color:blue">Sub</span> Button1_Click(<span style="color:blue">ByVal</span> sender <span style="color:blue">As</span> System.Object, <span style="color:blue">ByVal</span> e <span style="color:blue">As</span> System.EventArgs) <span style="color:blue">Handles</span> Button1.Click
    <span style="color:green">'Sets up a array to contain the x and y coordinates</span>
    <span style="color:blue">Dim</span> xy(1) <span style="color:blue">As</span> <span style="color:blue">Double</span>
    xy(0) = 0
    xy(1) = 0
    <span style="color:green">'An array for the z coordinate</span>
    <span style="color:blue">Dim</span> z(0) <span style="color:blue">As</span> <span style="color:blue">Double</span>
    z(0) = 1
    <span style="color:green">'Defines the starting coordiante system</span>
    <span style="color:blue">Dim</span> pStart <span style="color:blue">As</span> ProjectionInfo = KnownCoordinateSystems.Geographic.World.WGS1984
    <span style="color:green">'Defines the ending coordiante system</span>
    <span style="color:blue">Dim</span> pEnd <span style="color:blue">As</span> ProjectionInfo = KnownCoordinateSystems.Projected.NorthAmerica.USAContiguousLambertConformalConic
    <span style="color:green">'Calls the reproject function that will transform the input location to the output locaiton</span>
    Reproject.ReprojectPoints(xy, z, pStart, pEnd, 0, 1)
    MsgBox(<span style="color:#a31515">&quot;The points have been reporjected.&quot;</span>)

<span style="color:blue">End</span> <span style="color:blue">Sub</span>



End Class



C# Sample Code:

	using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DotSpatial.Projections;

namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}


    <span style="color:blue">private</span> <span style="color:blue">void</span> button1_Click(<span style="color:blue">object</span> sender, EventArgs e)
    {
        <span style="color:green">//Sets up a array to contain the x and y coordinates</span>
        <span style="color:blue">double</span>[] xy = <span style="color:blue">new</span> <span style="color:blue">double</span>[2];
        xy[0] = 0;
        xy[1] = 0;
        <span style="color:green">//An array for the z coordinate</span>
        <span style="color:blue">double</span>[] z = <span style="color:blue">new</span> <span style="color:blue">double</span>[1];
        z[0] = 1;
        <span style="color:green">//Defines the starting coordiante system</span>
        ProjectionInfo pStart = KnownCoordinateSystems.Geographic.World.WGS1984;
        <span style="color:green">//Defines the ending coordiante system</span>
        ProjectionInfo pEnd = KnownCoordinateSystems.Projected.NorthAmerica.USAContiguousLambertConformalConic;
        <span style="color:green">//Calls the reproject function that will transform the input location to the output locaiton</span>
        Reproject.ReprojectPoints(xy, z, pStart, pEnd, 0, 1);
        Interaction.MsgBox(<span style="color:#a31515">&quot;The points have been reporjected.&quot;</span>);
    }
}



}
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