def panset(self, fitsimage, chinfo, paninfo):
x, y = fitsimage.get_pan()
points = fitsimage.get_pan_rect()
# calculate pan position point radius
image = paninfo.panimage.get_image()
width, height = image.get_size()
edgew = math.sqrt(width**2 + height**2)
radius = int(0.015 * edgew)
# Mark pan rectangle and pan position
try:
obj = paninfo.panimage.getObjectByTag(paninfo.panrect)
if obj.kind != 'compound':
return True
point, bbox = obj.objects
self.logger.debug("starting panset")
point.x, point.y = x, y
point.radius = radius
bbox.points = points
paninfo.panimage.redraw(whence=3)
except KeyError:
paninfo.panrect = paninfo.panimage.add(
CanvasTypes.CompoundObject(
CanvasTypes.Point(x, y, radius=radius),
CanvasTypes.Polygon(points)))
def add_mark(self, data_x, data_y, radius=None, color=None, style=None):
if not radius:
radius = self.mark_radius
if not color:
color = self.mark_color
if not style:
style = self.mark_style
self.logger.debug("Setting mark at %d,%d" % (data_x, data_y))
self.mark_index += 1
tag = 'mark%d' % (self.mark_index)
tag = self.canvas.add(CanvasTypes.CompoundObject(
CanvasTypes.Point(data_x,
data_y,
self.mark_radius,
style=style,
color=color,
linestyle='solid'),
CanvasTypes.Text(data_x + 10,
data_y,
"%d" % (self.mark_index),
color=color)),
tag=tag)
self.marks.append(tag)
self.w.marks.append_text(tag)
self.select_mark(tag, pan=False)