: rows : 3 row_default_height: 25 canvas: Color: rgb: [1, 1, 1, 1] Rectangle: pos:self.pos size:self.size OptionBar ToolBar ContentLayout : spacing:5 padding: (3,1) BoxLayout: size: root.width*0.70, root.height size_hint: None, None Button: id: myFileButton text: "Open file:" on_press: root.setFile(filePath.text) TextInput: id: filePath hint_text: "File path" cursor_color: (0,1,0,1) multiline: False BoxLayout: Button: id: myOptionsButton text: "Set pixel scale" on_press: root.setScale(scaleSize.text) TextInput: id: scaleSize input_type: "number" hint_text: "10" : Button: id: myMiddleButton text: "Next step" : rows: 1 cols: 3 size_hint_y : 100 Button: size: root.width*0.15, root.height size_hint: None, None id: myLeftBottomButton text: "Left Bottom" ImageCanvas Button: size: root.width*0.15, root.height size_hint: None, None id: myRightBottmButton text: "Right Bottom" : id: imageCanvas