def png_to_colormap(png_file):
from ginga.RGBImage import RGBImage
img = RGBImage()
img.load_file(png_file)
data = img.get_data()
return rgbarr_to_colormap(data)
def png_to_colormap(png_file):
from ginga.RGBImage import RGBImage
img = RGBImage()
img.load_file(png_file)
data = img.get_data()
return rgbarr_to_colormap(data)
def snap_cb(self, w):
format = self.tosave_type
# snap image
self.fv.error_wrap(self.fitsimage.save_rgb_image_as_file,
self.tmpname,
format=format)
self.saved_type = format
img = RGBImage(logger=self.logger)
img.load_file(self.tmpname)
self.scrnimage.set_image(img)
def _snap_cb(self, w):
"""This function is called when the user clicks the 'Snap' button.
"""
# Clear the snap image viewer
self.scrnimage.clear()
self.scrnimage.redraw_now(whence=0)
self.fv.update_pending()
format = self.tosave_type
if self._screen_size:
# snap image using actual viewer
self.fv.error_wrap(self.fitsimage.save_rgb_image_as_file,
self.tmpname,
format=format)
else:
# we will be using shot generator, not actual viewer.
# check that shot generator size matches UI params
self.check_and_adjust_dimensions()
# copy background color of viewer to shot generator
bg = self.fitsimage.get_bg()
self.shot_generator.set_bg(*bg)
# add the main canvas from channel viewer to shot generator
c1 = self.fitsimage.get_canvas()
c2 = self.shot_generator.get_canvas()
c2.delete_all_objects(redraw=False)
c2.add(c1, redraw=False)
# hack to fix a few problem graphics
self.shot_generator._imgobj = self.fitsimage._imgobj
# scale of the shot generator should be the scale of channel
# viewer multiplied by the ratio of window sizes
scale_x, scale_y = self.fitsimage.get_scale_xy()
c1_wd, c1_ht = self.fitsimage.get_window_size()
c2_wd, c2_ht = self.shot_generator.get_window_size()
scale_wd = float(c2_wd) / float(c1_wd)
scale_ht = float(c2_ht) / float(c1_ht)
scale = max(scale_wd, scale_ht)
scale_x *= scale
scale_y *= scale
self.shot_generator.scale_to(scale_x, scale_y)
self.fitsimage.copy_attributes(self.shot_generator,
self.transfer_attrs)
# snap image
self.fv.error_wrap(self.shot_generator.save_rgb_image_as_file,
self.tmpname,
format=format)
c2.delete_all_objects(redraw=False)
self.shot_generator._imgobj = None
self.saved_type = format
img = RGBImage(logger=self.logger)
img.load_file(self.tmpname)
# load the snapped image into the screenshot viewer
self.scrnimage.set_image(img)
def _snap_cb(self, w):
"""This function is called when the user clicks the 'Snap' button.
"""
# Clear the snap image viewer
self.scrnimage.clear()
self.scrnimage.redraw_now(whence=0)
self.fv.update_pending()
format = self.tosave_type
if self._screen_size:
# snap image using actual viewer
self.fv.error_wrap(self.fitsimage.save_rgb_image_as_file,
self.tmpname, format=format)
else:
# we will be using shot generator, not actual viewer.
# check that shot generator size matches UI params
self.check_and_adjust_dimensions()
# copy background color of viewer to shot generator
bg = self.fitsimage.get_bg()
self.shot_generator.set_bg(*bg)
# add the main canvas from channel viewer to shot generator
c1 = self.fitsimage.get_canvas()
c2 = self.shot_generator.get_canvas()
c2.delete_all_objects(redraw=False)
c2.add(c1, redraw=False)
# hack to fix a few problem graphics
self.shot_generator._imgobj = self.fitsimage._imgobj
# scale of the shot generator should be the scale of channel
# viewer multiplied by the ratio of window sizes
scale_x, scale_y = self.fitsimage.get_scale_xy()
c1_wd, c1_ht = self.fitsimage.get_window_size()
c2_wd, c2_ht = self.shot_generator.get_window_size()
scale_wd = float(c2_wd) / float(c1_wd)
scale_ht = float(c2_ht) / float(c1_ht)
scale = max(scale_wd, scale_ht)
scale_x *= scale
scale_y *= scale
self.shot_generator.scale_to(scale_x, scale_y)
self.fitsimage.copy_attributes(self.shot_generator,
self.transfer_attrs)
# snap image
self.fv.error_wrap(self.shot_generator.save_rgb_image_as_file,
self.tmpname, format=format)
c2.delete_all_objects(redraw=False)
self.shot_generator._imgobj = None
self.saved_type = format
img = RGBImage(logger=self.logger)
img.load_file(self.tmpname)
# load the snapped image into the screenshot viewer
self.scrnimage.set_image(img)
