Custom Gauge Controls for Windows Phone 7: Part I

<phone:PhoneApplicationPage 
    x:Class="WPClientV2.Custom1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:scada="clr-namespace:WPScadaControlsV2;assembly=WPScadaControlsV2"
    xmlns:loc="clr-namespace:WPClientV2"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    mc:Ignorable="d" d:DesignHeight="768" d:DesignWidth="480"
    shell:SystemTray.IsVisible="True">
    <phone:PhoneApplicationPage.Resources>
        <loc:RangeColorConverter x:Key="colConv">
            <loc:ColorRange Color="Red" Minimum="20" Maximum="40"/>
            <loc:ColorRange Color="Blue" Minimum="60" Maximum="80"/>
        </loc:RangeColorConverter>
        <loc:GradientConverter x:Key="conv1" EndColor="Blue" StartColor="Red" StartValue="50" EndValue="90" />
        <loc:SizeConverter x:Key="conv2" EndValue="50" StartSize="4" EndSize="15" />
        <loc:SizeConverter x:Key="sizeConv" EndValue="100" StartSize="5" EndSize="20" />
        <DataTemplate x:Key="defTemplate">
            <Rectangle Width="4" Height="{Binding Converter={StaticResource conv2}}" Fill="White"/>
        </DataTemplate>
        <loc:RangeTemplateConverter x:Key="conv3" DefaultTemplate="{StaticResource defTemplate}" >
            <loc:TemplateRange Minimum="60" Maximum="90" >
                <loc:TemplateRange.Template>
                    <DataTemplate>
                        <Path Data="M0,0 L15,0 L7,15 Z" Fill="{Binding Converter={StaticResource conv1}}"/>
                    </DataTemplate>
                </loc:TemplateRange.Template>
            </loc:TemplateRange>
            
        </loc:RangeTemplateConverter>
    </phone:PhoneApplicationPage.Resources>
        <!--LayoutRoot contains the root grid where all other page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Transparent">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <!--TitlePanel contains the name of the application and page title-->
        <StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="24,24,0,12">
            <TextBlock x:Name="ApplicationTitle" Text="MY APPLICATION" Style="{StaticResource PhoneTextNormalStyle}"/>
            <TextBlock x:Name="PageTitle" Text="page name" Margin="-3,-8,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
        </StackPanel>

        <!--ContentPanel - place additional content here-->
        <Grid x:Name="ContentGrid" Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="*" />
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="*" />
                <RowDefinition Height="*" />
            </Grid.RowDefinitions>
            <scada:RadialScale MinorTickStep="5" MajorTickStep="5">
                <scada:RadialScale.MajorTickTemplate>
                    <DataTemplate>
                        <ContentPresenter Content="{Binding}" ContentTemplate="{Binding Converter={StaticResource conv3}}"/>
                    </DataTemplate>
                </scada:RadialScale.MajorTickTemplate>
            </scada:RadialScale>
            <scada:RadialScale Grid.Column="1" MajorTickStep="5">
                <scada:RadialScale.MajorTickTemplate>
                    <DataTemplate>
                        <Rectangle Width="4" Height="12" Fill="{Binding Converter={StaticResource colConv}}"/>
                    </DataTemplate>
                </scada:RadialScale.MajorTickTemplate>
            </scada:RadialScale>
            <scada:RadialScale Grid.Row="1" MajorTickStep="5">
                <scada:RadialScale.MajorTickTemplate>
                    <DataTemplate>
                        <Rectangle Width="4" Height="12" Fill="{Binding Converter={StaticResource conv1}}"/>
                    </DataTemplate>
                </scada:RadialScale.MajorTickTemplate>
            </scada:RadialScale>
            <scada:RadialScale Grid.Row="1" Grid.Column="1" MajorTickStep="5">
                <scada:RadialScale.MajorTickTemplate>
                    <DataTemplate>
                        <Rectangle Width="4" Height="{Binding Converter={StaticResource sizeConv}}" Fill="White"/>
                    </DataTemplate>
                </scada:RadialScale.MajorTickTemplate>
            </scada:RadialScale>
        </Grid>
    </Grid>

</phone:PhoneApplicationPage>