How can i get another field value in partial balde?

Question

$form-add(
            Input::make()-name('lat')-label('Latitude')
        );
        $form-add(
            Input::make()-name('lon')-label('Longitude')
        );

$form-add(
            BladePartial::make()-view('admin.dealer_map')-render()
        );
In public function getForm(TwillModelContract $model)
And i created a dealer_map.blade.php

Here i want to add dynamic lat long in edit page.
How can i get value  Latitude and Longitude in partial balde?

Gaming

Programming

How can i get another field value in partial balde?