image.kv

#:kivy 1.1.0
#:import Win kivy.core.window.Window
#:import FileBrowser kivy.garden.filebrowser
#:import plt matplotlib.pyplot
<MainWidget>:
    canvas:
        Color:
            rgba: 250/255, 240/255, 230/255,1
            # change default background of app from gray to some white-ish
        Rectangle:
            source: 'blank.png'
            size: self.size
    BoxLayout:
        size: Win.size
        id: mainbox
        orientation: 'vertical'
        BoxLayout:
            height: '36dp'
            spacing: '8dp'
            size_hint_y: None
            Button:
                text: 'Load File'
                width: '128dp'
                height: '36dp'
                size_hint: (None, None)
                on_release: root.popup.open()  # after we stop pressing button it will call show_load from MainWidget class
            Spinner:
                id: cmap_spinner
                text: 'rainbow'
                width: '128dp'
                height: '36dp'
                size_hint: (None, None)
                sync_height: True
                #values: ('rainbow', 'viridis', 'plasma', 'inferno', 'magma', 'jet', 'gray') # simpler list of cmaps
                values: tuple(m for m in plt.cm.datad if not m.endswith("_r"))
                # probably overkill, spinner with all available colormaps for matplotlib
            Button:
                text: 'Settings'
                width: '128dp'
                height: '36dp'
                size_hint: (None, None)
                on_release: app.open_settings()
        BoxLayout:
            height: '36dp'
            spacing: '8dp'
            cols: 2
            size_hint_y: None
            Label:
                text: 'azimuth: {:.2f}'.format(azimuth_slider.value)
                color: 0,0,0,1
                size_hint_x: .3
            SpecSlider:
                id: azimuth_slider
                min: -90
                max: 90
                step: 1
                orientation: 'horizontal'
                disabled: True # slider are disabled before loading file, just to prevent calling events
        GridLayout:
            cols: 2
            Image:
                size_hint_x: .85
				size_hint_y: 1
                id: surf_image
                source: 'blank.png'
            BoxLayout:
                orientation: 'vertical'
                size_hint_x: .15
                Label:
                    text: 'elevation: {:.2f}'.format(elevation_slider.value)
                    color: 0,0,0,1
                    size_hint_y: .1
                SpecSlider:
                    id: elevation_slider
                    size_hint_y: .9
                    min: -180
                    max: 180
                    step: 1
                    orientation: 'vertical'
                    disabled: True

<LoadDialog>:
    title: 'Load File'
    size_hint: 1, 1
    pos: root.pos
    FileBrowser:
        #widget to select file
        select_string: 'Select'
        on_submit: root.load(self.selection[0])  # called when two-click on file
        on_canceled: root.dismiss()
        on_success: root.load(self.selection[0])  # called when pressed select button
			
<WrongFileDialog>:
    title: 'Wrong File'
    size_hint: None, None
    size: Win.width / 2, Win.height / 2
    auto_dismiss: False
    BoxLayout:
        orientation: 'vertical'
        Label:
            halign: 'center'
            valign: 'middle'
            text_size: self.width, None  # otherwise text can display outside of popup
            text: 'Unsupported file type. Supported file types are: matlab mat files and image files. Please choose again.'
        Button:
            text: 'Ok'
            size_hint: None, None
            height: '36dp'
            width: '128dp'
            pos_hint: {'center_x': 0.5}
            on_release: root.reload()  # call reload method of class

<SelectMatVariable>:
    title: 'Select Variable'
    auto_dismiss: False
    size_hint: None, None
    size: Win.width / 2, Win.height / 2
    BoxLayout:
        orientation: 'vertical'
        spacing: 3*self.height/5
        Spinner:
            id: mat_spinner
            size_hint: None, None
            pos_hint: {'center_x': 0.5}
            height: '36dp'
            width: '128dp'
            text: root.values[0]
            values: root.values
            sync_height: True  # values from which we selected have the same height as spinner
        Button:
            text: 'Ok'
            height: '36dp'
            width: '128dp'
            pos_hint: {'center_x': 0.5}
            size_hint: None, None
            on_release: root.dismiss()  # just call normal method of popup class