Modifying the color scheme of Google Maps API V2

I am trying to customize the color of the direction line in Google Maps API. I have checked the documentation, but couldn't find any information on changing the color. Below is my code:

function direction() 
{
    var txtAddress = document.getElementById("<%=txtAddress.ClientID %>");

    var address = txtAddress.value;

    var TextBox1 = document.getElementById("<%=TextBox1.ClientID %>");

    var address1 = TextBox1.value;

    directions = new GDirections(map, directionsPanel);
    directions.load("from: " + address1 + " to: " + address + "");

  //  var address =txtAddress.value + "  " + TextBox3.value;

}

Any suggestions on how to change the color of the direction line would be greatly appreciated. Thank you!

Answer №1

Check out a similar answer in the Google Maps group: https://groups.google.com/forum/?fromgroups#!topic/google-maps-api/-1yGOmMwd7I

It appears that you cannot change the color of the GPolyLine after it has been created, so the workaround is to create two separate GPolyLines and then add or remove them from the overlay to display different colors.

If you're unsure how to proceed, one way to tackle this issue would be:

  1. Do not include a GMap when calling the GDirections constructor, so no GPolyLines are automatically added
  2. Create an array of GLatLng vertices using GDirections.getVertex(index)
  3. Create your own GPolyLines with different colors
  4. Add the GPolyLine overlays to the map using GMap2.addOverlay(GOverlay)

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