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PiCamCapture.py
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PiCamCapture.py
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#!/usr/bin/python3
import os
import gi
from time import sleep
from PIL import Image
from datetime import datetime
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import GdkPixbuf
# I've chosen not to use the PiCamera library as I have tighter control over the newer
# High Quaity sensor using the CLI and also because the CLI does not lock the camera to
# this process. It is also way less buggy!
if not os.path.isdir("Captures"):
os.system("mkdir Captures")
if not os.path.isdir("Timelapse"):
os.system("mkdir Timelapse")
class PiCamCapture(Gtk.Window):
def __init__(self):
# Variables to control the capture when using raspistill
self.camJPEG = 100 # JPEG quality (1% to 100%)
self.camAG = 100 # Sensor ISO (100 to 800)
self.camShutter = 2000000 # Shutter speed (max of 200000000 microseconds (200 seconds))
self.camTimeout = 500 # Time it takes before capturing an image for single shots (milliseconds)
self.camTimeJPEG = 100 # 1% to 100%
self.camTimeISO = 100 # 100 to 800
self.camTimeShutter = 2000000 # Shutter speed (max of 200000000 microseconds (200 seconds))
self.camTimeInterval = 2000 # Time between timelapse captures (2 seconds)
self.camTimeImage = 100 # Number of images the timelapse takes
self.camAG = 16.0 # Analog gain (16 recommended by stackexchange)
self.timelapseStop = False
self.gridSpacing = 5
self.margin = 10
self.previewImage = "preview.png"
Gtk.Window.__init__(self, title="PiCam Capture")
self.set_icon_from_file("logo64.png")
self.vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=self.gridSpacing)
self.add(self.vbox)
# Use a header bar rather than a title bar
self.headerBar = Gtk.HeaderBar()
self.headerBar.set_show_close_button(True)
self.headerBar.props.title = "PiCam Capture"
self.set_titlebar(self.headerBar)
# About button
self.btnAbout = Gtk.Button(label="About")
self.btnAbout.connect("clicked", self.about)
self.btnAbout.set_tooltip_text("Capture image from Raspberry Pi Camera")
# Add buttons to the header bar
self.headerBar.pack_end(self.btnAbout)
# Creating grid and setting spacing
self.mainGrid = Gtk.Grid()
self.mainGrid.set_column_spacing(self.gridSpacing)
self.mainGrid.set_row_spacing(self.gridSpacing)
# self.add(self.mainGrid)
# Loading preview image
self.imgPreview = Gtk.Image(margin=self.margin)
self.imgPreview.set_from_file(self.previewImage)
self.imgPreview.set_vexpand(True)
self.imgPreview.set_hexpand(True)
self.mainGrid.attach(self.imgPreview, 0, 1, 1, 1) # x, y, xSpan, ySpan
# Label
self.lblSaveDir = Gtk.Label()
self.lblSaveDir.set_label("Start by capturing an image")
# Preview button
self.btnPreview = Gtk.Button(label="Preview")
self.btnPreview.connect("clicked", self.preview)
self.btnPreview.set_tooltip_text("Open preview from camera for 5 seconds")
# Capture button
self.btnCapture = Gtk.Button(label="Capture")
self.btnCapture.connect("clicked", self.capture)
self.btnCapture.set_tooltip_text("Capture image from Raspberry Pi Camera")
# Save captured image button
self.btnSaveImage = Gtk.Button(label="Save Image")
self.btnSaveImage.connect("clicked", self.saveImage)
self.btnSaveImage.set_tooltip_text("Save current image")
self.btnSaveImage.set_sensitive(False)
# Delete captured image button
self.btnDeleteImage = Gtk.Button(label="Delete Image")
self.btnDeleteImage.connect("clicked", self.deleteImage)
self.btnDeleteImage.set_tooltip_text("Delete current image (does not delete saved images from Captures folder)")
self.btnDeleteImage.set_sensitive(False)
# Grid for the controls
self.controlsGrid = Gtk.Grid(margin=self.margin)
self.controlsGrid.set_column_spacing(self.gridSpacing)
self.controlsGrid.set_row_spacing(self.gridSpacing)
self.controlsGrid.set_hexpand(True)
# self.mainGrid.attach(self.controlsGrid, 0, 1, 1, 1)
self.mainGrid.attach_next_to(self.controlsGrid, self.imgPreview, Gtk.PositionType.BOTTOM, 1, 1)
# ISO (sensor sensitivity) adjustment
self.sliderAG = Gtk.Adjustment(value=4, lower=1, upper=16, step_increment=0.5)
self.sliderAG.connect("value_changed", self.adjustAG)
self.sliderAG.emit("value_changed")
self.scaleAG = Gtk.HScale(adjustment=self.sliderAG, digits=1)
self.scaleAG.add_mark(1.0, Gtk.PositionType.BOTTOM, "1")
self.scaleAG.add_mark(2.0, Gtk.PositionType.BOTTOM, "2")
self.scaleAG.add_mark(4.0, Gtk.PositionType.BOTTOM, "4")
self.scaleAG.add_mark(8.0, Gtk.PositionType.BOTTOM, "8")
self.scaleAG.add_mark(16.0, Gtk.PositionType.BOTTOM, "16")
self.scaleAG.set_tooltip_text("Sensor sensitivity (higher values produce brighter, noisier images)")
self.scaleAG.set_hexpand(True)
self.lblAG = Gtk.Label()
self.lblAG.set_label("Analogue Gain (Sensor Sensitivity)")
self.controlsGrid.attach(self.lblAG, 0, 0, 1, 1)
self.controlsGrid.attach(self.scaleAG, 0, 1, 1, 1)
# self.controlsGrid.attach_next_to(self.scaleISO, self.lblISO, Gtk.PositionType.BOTTOM, 1, 1)
separator = Gtk.Separator()
separator2 = Gtk.Separator()
self.controlsGrid.attach_next_to(separator, self.scaleAG, Gtk.PositionType.BOTTOM, 1, 1)
# Shutter speed adjustment
self.sliderShutter = Gtk.Adjustment(value=1, lower=0.1, upper=60, step_increment=0.5)
self.sliderShutter.connect("value_changed", self.adjustShutter)
self.sliderShutter.emit("value_changed")
self.scaleShutter = Gtk.HScale(adjustment=self.sliderShutter, digits=1)
self.scaleShutter.add_mark(1, Gtk.PositionType.BOTTOM, "1s")
self.scaleShutter.add_mark(5, Gtk.PositionType.BOTTOM, "5s")
self.scaleShutter.add_mark(10, Gtk.PositionType.BOTTOM, "10s")
self.scaleShutter.add_mark(20, Gtk.PositionType.BOTTOM, "20s")
self.scaleShutter.add_mark(30, Gtk.PositionType.BOTTOM, "30s")
self.scaleShutter.add_mark(60, Gtk.PositionType.BOTTOM, "60s")
self.scaleShutter.set_tooltip_text("Number of seconds of exposure time (higher values produce brighter images, but moving objects will leave trails)")
self.scaleShutter.set_hexpand(True)
self.lblShutter = Gtk.Label()
self.lblShutter.set_label("Exposure Time (Shutter Speed)")
self.controlsGrid.attach_next_to(self.lblShutter, separator, Gtk.PositionType.BOTTOM, 1, 1)
self.controlsGrid.attach_next_to(self.scaleShutter, self.lblShutter, Gtk.PositionType.BOTTOM, 1, 1)
self.controlsGrid.attach_next_to(separator2, self.scaleShutter, Gtk.PositionType.BOTTOM, 1, 1)
# JPEG quality adjustment
self.sliderJPEG = Gtk.Adjustment(value=95, lower=1, upper=100, step_increment=1)
self.sliderJPEG.connect("value_changed", self.adjustJPEG)
self.sliderJPEG.emit("value_changed")
self.scaleJPEG = Gtk.HScale(adjustment=self.sliderJPEG, digits=0)
self.lblJPEG = Gtk.Label()
self.lblJPEG.set_label("JPEG Quality")
self.scaleJPEG.add_mark(50, Gtk.PositionType.BOTTOM, "50%")
self.scaleJPEG.add_mark(95, Gtk.PositionType.BOTTOM, "95%")
self.scaleJPEG.set_tooltip_text("Quality of captured JPEG images (higher values preserve detail and result in larger files)")
self.scaleJPEG.set_hexpand(True)
self.controlsGrid.attach_next_to(self.lblJPEG, separator2, Gtk.PositionType.BOTTOM, 1, 1)
self.controlsGrid.attach_next_to(self.scaleJPEG, self.lblJPEG, Gtk.PositionType.BOTTOM, 1, 1)
self.actionBar = Gtk.ActionBar()
self.mainGrid.attach_next_to(self.lblSaveDir, self.controlsGrid, Gtk.PositionType.BOTTOM, 1, 1)
self.vbox.pack_end(self.actionBar, False, False, 0)
self.actionBar.pack_start(self.btnPreview)
self.actionBar.pack_start(self.btnCapture)
self.actionBar.pack_start(self.btnSaveImage)
self.actionBar.pack_start(self.btnDeleteImage)
######################################
# Grid for the timelapse controls
self.timelapseGrid = Gtk.Grid(margin=self.margin)
self.timelapseGrid.set_column_spacing(self.gridSpacing)
self.timelapseGrid.set_row_spacing(self.gridSpacing)
self.timelapseGrid.set_hexpand(True)
# Analogue gain (sensor sensitivity) adjustment
self.timelapseSliderAG = Gtk.Adjustment(value=4.0, lower=1.0, upper=16.0, step_increment=0.5)
self.timelapseSliderAG.connect("value_changed", self.adjustTimelapseAG)
self.timelapseSliderAG.emit("value_changed")
self.timelapseScaleAG = Gtk.HScale(adjustment=self.timelapseSliderAG, digits=1)
self.timelapseScaleAG.add_mark(1.0, Gtk.PositionType.BOTTOM, "1")
self.timelapseScaleAG.add_mark(2.0, Gtk.PositionType.BOTTOM, "2")
self.timelapseScaleAG.add_mark(4.0, Gtk.PositionType.BOTTOM, "4")
self.timelapseScaleAG.add_mark(8.0, Gtk.PositionType.BOTTOM, "8")
self.timelapseScaleAG.add_mark(16.0, Gtk.PositionType.BOTTOM, "16")
self.timelapseScaleAG.set_tooltip_text("Sensor sensitivity (higher values produce brighter, noisier images)")
self.timelapseScaleAG.set_hexpand(True)
self.timelapseLblAG = Gtk.Label()
self.timelapseLblAG.set_label("Analogue Gain (Sensor Sensitivity)")
self.timelapseGrid.attach(self.timelapseLblAG, 0, 0, 1, 1)
self.timelapseGrid.attach(self.timelapseScaleAG, 0, 1, 1, 1)
timelapseSeparator = Gtk.Separator()
timelapseSeparator2 = Gtk.Separator()
timelapseSeparator3 = Gtk.Separator()
timelapseSeparator4 = Gtk.Separator()
timelapseSeparator5 = Gtk.Separator()
self.timelapseGrid.attach_next_to(timelapseSeparator, self.timelapseScaleAG, Gtk.PositionType.BOTTOM, 1, 1)
# Shutter speed adjustment
self.timelapseSliderShutter = Gtk.Adjustment(value=1, lower=0.1, upper=20, step_increment=0.5)
self.timelapseSliderShutter.connect("value_changed", self.adjustTimelapseShutter)
self.timelapseSliderShutter.emit("value_changed")
self.timelapseScaleShutter = Gtk.HScale(adjustment=self.timelapseSliderShutter, digits=1)
self.timelapseScaleShutter.add_mark(1, Gtk.PositionType.BOTTOM, "1s")
self.timelapseScaleShutter.add_mark(2.5, Gtk.PositionType.BOTTOM, "2.5s")
self.timelapseScaleShutter.add_mark(5, Gtk.PositionType.BOTTOM, "5s")
self.timelapseScaleShutter.add_mark(7.5, Gtk.PositionType.BOTTOM, "7.5s")
self.timelapseScaleShutter.add_mark(10, Gtk.PositionType.BOTTOM, "10s")
self.timelapseScaleShutter.add_mark(15, Gtk.PositionType.BOTTOM, "15s")
self.timelapseScaleShutter.add_mark(20, Gtk.PositionType.BOTTOM, "20s")
self.timelapseScaleShutter.set_tooltip_text("Number of seconds of exposure time (higher values produce brighter images, but moving objects will leave trails)")
self.timelapseScaleShutter.set_hexpand(True)
self.timelapseLblShutter = Gtk.Label()
self.timelapseLblShutter.set_label("Exposure Time (Shutter Speed)")
self.timelapseGrid.attach_next_to(self.timelapseLblShutter, timelapseSeparator, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(self.timelapseScaleShutter, self.timelapseLblShutter, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(timelapseSeparator2, self.timelapseScaleShutter, Gtk.PositionType.BOTTOM, 1, 1)
# JPEG quality adjustment
self.timelapseSliderJPEG = Gtk.Adjustment(value=95, lower=1, upper=100, step_increment=1)
self.timelapseSliderJPEG.connect("value_changed", self.adjustTimelapseJPEG)
self.timelapseSliderJPEG.emit("value_changed")
self.timelapseScaleJPEG = Gtk.HScale(adjustment=self.timelapseSliderJPEG, digits=0)
self.timelapseLblJPEG = Gtk.Label()
self.timelapseLblJPEG.set_label("JPEG Quality")
self.timelapseScaleJPEG.add_mark(50, Gtk.PositionType.BOTTOM, "50%")
self.timelapseScaleJPEG.add_mark(95, Gtk.PositionType.BOTTOM, "95%")
self.timelapseScaleJPEG.set_tooltip_text("Quality of captured JPEG images (higher values preserve detail and result in larger files)")
self.timelapseScaleJPEG.set_hexpand(True)
self.timelapseGrid.attach_next_to(self.timelapseLblJPEG, timelapseSeparator2, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(self.timelapseScaleJPEG, self.timelapseLblJPEG, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(timelapseSeparator3, self.timelapseScaleJPEG, Gtk.PositionType.BOTTOM, 1, 1)
# Timelapse interval adjustment
self.timelapseSliderInterval = Gtk.Adjustment(value=30, lower=1, upper=300, step_increment=1)
self.timelapseSliderInterval.connect("value_changed", self.adjustTimelapseInterval)
self.timelapseSliderInterval.emit("value_changed")
self.timelapseScaleInterval = Gtk.HScale(adjustment=self.timelapseSliderInterval, digits=0)
self.timelapseLblInterval = Gtk.Label()
self.timelapseLblInterval.set_label("Timelapse Interval")
self.timelapseScaleInterval.add_mark(1, Gtk.PositionType.BOTTOM, "1s")
self.timelapseScaleInterval.add_mark(15, Gtk.PositionType.BOTTOM, "15s")
self.timelapseScaleInterval.add_mark(30, Gtk.PositionType.BOTTOM, "30s")
self.timelapseScaleInterval.add_mark(60, Gtk.PositionType.BOTTOM, "60s")
self.timelapseScaleInterval.add_mark(120, Gtk.PositionType.BOTTOM, "2 mins")
self.timelapseScaleInterval.add_mark(180, Gtk.PositionType.BOTTOM, "3 mins")
self.timelapseScaleInterval.add_mark(240, Gtk.PositionType.BOTTOM, "4 mins")
self.timelapseScaleInterval.add_mark(300, Gtk.PositionType.BOTTOM, "5 mins")
self.timelapseScaleInterval.set_tooltip_text("The number of seconds between each shot. Only functional if greater than exposure time")
self.timelapseScaleInterval.set_hexpand(True)
self.timelapseGrid.attach_next_to(self.timelapseLblInterval, timelapseSeparator3, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(self.timelapseScaleInterval, self.timelapseLblInterval, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(timelapseSeparator4, self.timelapseScaleInterval, Gtk.PositionType.BOTTOM, 1, 1)
# Timelapse length adjustment
self.timelapseSliderImages = Gtk.Adjustment(value=100, lower=10, upper=1000, step_increment=1)
self.timelapseSliderImages.connect("value_changed", self.adjustTimelapseImages)
self.timelapseSliderImages.emit("value_changed")
self.timelapseScaleImages = Gtk.HScale(adjustment=self.timelapseSliderImages, digits=0)
self.timelapseLblImages = Gtk.Label()
self.timelapseLblImages.set_label("Number of Images")
self.timelapseScaleImages.add_mark(10, Gtk.PositionType.BOTTOM, "10")
self.timelapseScaleImages.add_mark(100, Gtk.PositionType.BOTTOM, "100")
self.timelapseScaleImages.add_mark(200, Gtk.PositionType.BOTTOM, "200")
self.timelapseScaleImages.add_mark(300, Gtk.PositionType.BOTTOM, "300")
self.timelapseScaleImages.add_mark(400, Gtk.PositionType.BOTTOM, "400")
self.timelapseScaleImages.add_mark(500, Gtk.PositionType.BOTTOM, "500")
self.timelapseScaleImages.add_mark(600, Gtk.PositionType.BOTTOM, "600")
self.timelapseScaleImages.add_mark(700, Gtk.PositionType.BOTTOM, "700")
self.timelapseScaleImages.add_mark(800, Gtk.PositionType.BOTTOM, "800")
self.timelapseScaleImages.add_mark(900, Gtk.PositionType.BOTTOM, "900")
self.timelapseScaleImages.add_mark(1000, Gtk.PositionType.BOTTOM, "1000")
self.timelapseScaleImages.set_tooltip_text("The number of images in the timelapse")
self.timelapseScaleImages.set_hexpand(True)
self.timelapseGrid.attach_next_to(self.timelapseLblImages, timelapseSeparator4, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(self.timelapseScaleImages, self.timelapseLblImages, Gtk.PositionType.BOTTOM, 1, 1)
self.lblTimelapseStatus = Gtk.Label(margin=25)
self.lblTimelapseStatus.set_label("Start by clicking capture")
self.timelapseGrid.attach_next_to(timelapseSeparator5, self.timelapseScaleImages, Gtk.PositionType.BOTTOM, 1, 1)
self.timelapseGrid.attach_next_to(self.lblTimelapseStatus, timelapseSeparator5, Gtk.PositionType.BOTTOM, 1, 1)
# Switching between single and timelapse shooting
self.stack = Gtk.Stack()
self.stack.set_transition_type(Gtk.StackTransitionType.SLIDE_LEFT_RIGHT)
self.stack.set_transition_duration(500)
self.stack.add_titled(self.mainGrid, "single", "Single")
self.stack.add_titled(self.timelapseGrid, "timelapse", "Timelapse")
self.stack_switcher = Gtk.StackSwitcher()
self.stack_switcher.set_stack(self.stack)
self.headerBar.pack_start(self.stack_switcher)
self.vbox.pack_start(self.stack, True, True, 0)
def test(self, widget, ):
print("visible child changed")
def adjustAG(self, widget):
self.camAG = widget.get_value()
# print("Analogue Gain: " + str(self.camAG))
def adjustShutter(self, widget):
self.camShutter = widget.get_value()*1000000
# print("Shutter: " + str(self.camShutter))
def adjustJPEG(self, widget):
self.camJPEG = widget.get_value()
# print("JPEG: " + str(self.camJPEG))
def adjustTimelapseAG(self, widget):
self.camTimeISO = widget.get_value()
# print("Timelapse Sensitivity: " + str(self.camTimeAG))
def adjustTimelapseShutter(self, widget):
self.camTimeShutter = widget.get_value()*1000000
# print("Timelapse Shutter: " + str(self.camTimeShutter))
def adjustTimelapseJPEG(self, widget):
self.camTimeJPEG = widget.get_value()
# print("Timelapse JPEG: " + str(self.camTimeJPEG))
def adjustTimelapseInterval(self, widget):
self.camTimeInterval = widget.get_value()
# print("Interval: " + str(self.camTimeInterval))
def adjustTimelapseImages(self, widget):
self.camTimeImage = widget.get_value()
# print("Images: " + str(self.camTimeImage))
def about(self, widget):
about = Gtk.AboutDialog()
about.set_logo(GdkPixbuf.Pixbuf.new_from_file_at_scale("logo.png", 128, 128, True))
about.set_program_name("PiCam Capture")
about.set_version("Version 1.0 (13 Mar 2021)")
about.set_name("Name")
about.set_authors(["Alakbar"])
about.set_comments("A simple app for astrophotography on a Raspberry Pi")
about.set_website("https://alak.bar")
about.set_website_label("https://alak.bar")
about.set_copyright("Created for final year honours project")
about.run()
about.destroy()
def preview(self, widget):
print("Preview start")
os.system("raspistill --exposure off -t 6000 --shutter 1000000.0 --analoggain 16.0")
print("Preview stopped")
def capture(self, widget):
if self.stack.get_visible_child_name() == "single":
print("Capturing image")
command = "raspistill --exposure off -t 500 -o capture.jpg --quality {} --shutter {} --analoggain {}".format(self.camJPEG, self.camShutter, self.camAG)
print(command)
os.system(command)
print("Capture complete")
self.lblSaveDir.set_label(os.getcwd() + "/capture.jpg")
# Duplicating and resizing image for preview in window
print("Duplicating captured image")
os.system("cp capture.jpg preview.jpg")
image = Image.open(r"preview.jpg")
image = image.resize((720, 540))
image.save("preview.jpg")
self.imgPreview.set_from_file("preview.jpg")
self.resize(720, 750)
# Enable save and delete image buttons
self.btnDeleteImage.set_sensitive(True)
self.btnSaveImage.set_sensitive(True)
elif self.stack.get_visible_child_name() == "timelapse":
print("Capturing timelapse")
now = datetime.now()
self.timestamp = now.strftime("%d-%m-%Y-%H%M%S")
os.system("mkdir Timelapse/{}".format(self.timestamp))
for i in range(int(self.camTimeImage)):
command = "raspistill --exposure off -t 500 -o Timelapse/{}/timelapse{}.jpg --quality {} --shutter {} --analoggain {}".format(self.timestamp, i, self.camJPEG, self.camTimeShutter, self.camAG)
print("\n")
print(command)
os.system(command)
sleep(self.camTimeInterval)
print("Capturing timelapse complete")
self.lblTimelapseStatus.set_label("Timelapse saved to: {}/Timelapse/{}/".format(os.getcwd(), self.timestamp))
def saveImage(self, widget):
print("Saving image")
now = datetime.now()
timestamp = now.strftime("%d-%m-%Y-%H%M%S")
os.system("cp capture.jpg Captures/capture-{}.jpg".format(timestamp))
self.lblSaveDir.set_label("Image saved to: {}/Captures/".format(os.getcwd()))
def deleteImage(self, widget):
print("Deleting current image from directory")
os.system("rm capture.jpg")
print("Deleting preview image from directory")
os.system("rm preview.jpg")
self.imgPreview.set_from_file("preview.png")
self.resize(600, 675)
self.lblSaveDir.set_label("")
self.btnDeleteImage.set_sensitive(False)
self.btnSaveImage.set_sensitive(False)
window = PiCamCapture()
window.connect("destroy", Gtk.main_quit)
window.show_all()
Gtk.main()