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mirror of https://expo.survex.com/repositories/troggle/.git synced 2025-12-14 22:37:06 +00:00

prospect and moving code to better places

This commit is contained in:
Philip Sargent
2021-04-17 01:41:06 +01:00
parent 4ad7033285
commit f8b613e0aa
6 changed files with 129 additions and 87 deletions

View File

@@ -13,6 +13,7 @@ from django.shortcuts import render
import troggle.settings as settings
from troggle.core.models.caves import Entrance, Area, SurvexStation, Cave
from troggle.core.views.caves import caveKey
from troggle.parsers.survex import MapLocations
''' Generates the prospecting guide document.
@@ -61,49 +62,7 @@ def prospecting(request):
areas.append((name, a, caves))
return render(request, 'prospecting.html', {"areas": areas})
class MapLocations(object):
p = [
("laser.0_7", "BNase", "Reference", "Bräuning Nase laser point"),
("226-96", "BZkn", "Reference", "Bräuning Zinken trig point"),
("vd1","VD1","Reference", "VD1 survey point"),
("laser.kt114_96","HSK","Reference", "Hinterer Schwarzmooskogel trig point"),
("2000","Nipple","Reference", "Nipple (Weiße Warze)"),
("3000","VSK","Reference", "Vorderer Schwarzmooskogel summit"),
("topcamp", "OTC", "Reference", "Old Top Camp"),
("laser.0", "LSR0", "Reference", "Laser Point 0"),
("laser.0_1", "LSR1", "Reference", "Laser Point 0/1"),
("laser.0_3", "LSR3", "Reference", "Laser Point 0/3"),
("laser.0_5", "LSR5", "Reference", "Laser Point 0/5"),
("225-96", "BAlm", "Reference", "Bräuning Alm trig point")
]
def points(self):
for ent in Entrance.objects.all():
if ent.best_station():
try:
k = ent.caveandentrance_set.all()[0].cave
except:
message = " ! Failed to get Cave linked to Entrance:{} from:{} best:{}".format(ent.name, ent.filename, ent.best_station())
DataIssue.objects.create(parser='entrances', message=message)
print(message)
raise
try:
areaName = k.getArea().short_name
except:
message = " ! Failed to get Area on cave '{}' linked to Entrance:{} from:{} best:{}".format(cave, ent.name, ent.filename, ent.best_station())
DataIssue.objects.create(parser='entrances', message=message)
print(message)
raise
self.p.append((ent.best_station(), "%s-%s" % (areaName, str(ent)[5:]), ent.needs_surface_work(), str(ent)))
return self.p
def __str__(self):
return "{} map locations".format(len(self.p))
# Parameters for big map and zoomed subarea maps:
# big map first (zoom factor ignored)
@@ -143,6 +102,7 @@ R = 2
B = 3
ZOOM = 4
DESC = 5
SIZE = 5
areacolours = {
'1a' : '#00ffff',
@@ -170,7 +130,7 @@ TEXTSIZE = 16
CIRCLESIZE =8
LINEWIDTH = 2
myFont = ImageFont.truetype(FONT, TEXTSIZE)
print(f' - myFont {myFont} {FONT} {TEXTSIZE}')
#print(f' - myFont {myFont} {FONT} {TEXTSIZE}')
def mungecoord(x, y, mapcode, img):
# Top of Zinken is 73 1201 = dataset 34542 81967
@@ -194,41 +154,24 @@ COL_TYPES = {True: "red",
False: "#dddddd",
"Reference": "#dddddd"}
def plot(surveypoint, number, point_type, label, mapcode, draw, img):
try:
ss = SurvexStation.objects.lookup(surveypoint)
E, N = ss.x, ss.y
shortnumber = number.replace("—","")
(x,y) = list(map(int, mungecoord(E, N, mapcode, img)))
imgmaps[maparea].append( [x-4, y-SIZE/2, x+4+draw.textsize(shortnumber)[0], y+SIZE/2, shortnumber, label] )
draw.rectangle([(x+CIRCLESIZE, y-TEXTSIZE/2), (x+CIRCLESIZE*2+draw.textsize(shortnumber)[0], y+TEXTSIZE/2)], fill="#ffffff")
draw.text((x+CIRCLESIZE * 1.5,y-TEXTSIZE/2), shortnumber, fill="#000000")
draw.ellipse([(x-CIRCLESIZE,y-CIRCLESIZE),(x+CIRCLESIZE,y+CIRCLESIZE)], fill=COL_TYPES[point_type], outline="#000000")
except:
pass
def prospecting_image(request, name):
# We should replace all this with something that exports an overlay for Google Maps and OpenStreetView
'''This draws map outlines on an existing map image.
But getting the entrances plotted is broken by later changes elsewhere in the system since this code was written.
# test = os.path.join(settings.EXPOFILES, "location_maps", "testmap.png")
# response = HttpResponse(content_type = "image/png")
# with Image.open(test) as im:
# draw = ImageDraw.Draw(im)
# draw.line((0, 0) + im.size, fill=128)
# draw.line((0, im.size[1], im.size[0], 0), fill=128)
# # write to stdout
# #im.save(sys.stdout, "PNG")
# img.save(response, "PNG")
SurvexStations are in x=latitude, y=longitude - these are what appear in essentials.gpx
Entrances are in northing, easting
# return response
which is why we can't simply plot all the Entrances...
We should replace all this with something that exports an overlay for Google Maps and OpenStreetView
'''
mainImage = Image.open(os.path.join(settings.EXPOFILES, "location_maps", "pguidemap.jpg"))
# if settings.PUBLIC_SITE and not request.user.is_authenticated:
# mainImage = Image.new("RGB", mainImage.size, '#ffffff')
m = maps[name]
#imgmaps = []
imgmaps = []
if name == "all":
img = mainImage
else:
@@ -255,7 +198,7 @@ def prospecting_image(request, name):
textlen = draw.textsize(text)[0] + 3
draw.rectangle([l, t, l+textlen, t+TEXTSIZE+2], fill='#ffffff')
draw.text((l+2, t+1), text, fill="#000000", font=myFont)
#imgmaps.append( [l, t, l+textlen, t+SIZE+2, "submap" + maparea, maparea + " subarea map"] )
imgmaps.append( [l, t, l+textlen, t+SIZE+2, "submap" + maparea, maparea + " subarea map"] )
draw.line([l, t, r, t], fill='#777777', width=LINEWIDTH)
draw.line([l, b, r, b], fill='#777777', width=LINEWIDTH)
draw.line([l, t, l, b], fill='#777777', width=LINEWIDTH)
@@ -265,6 +208,7 @@ def prospecting_image(request, name):
draw.line([l, t, l, t+TEXTSIZE+2], fill='#777777', width=LINEWIDTH)
draw.line([l+textlen, t, l+textlen, t+TEXTSIZE+2], fill='#777777', width=LINEWIDTH)
#imgmaps[maparea] = []
# Draw scale bar
m100 = int(100 / (m[R] - m[L]) * img.size[0])
draw.line([10, TEXTSIZE*3, 10, TEXTSIZE*2], fill='#000000', width=LINEWIDTH)
@@ -273,11 +217,8 @@ def prospecting_image(request, name):
label = "100m"
draw.text([10 + (m100 - draw.textsize(label)[0]) / 2, TEXTSIZE/2], label, fill='#000000', font=myFont)
ml = MapLocations()
for p in ml.points():
surveypoint, number, point_type, label = p
plot(surveypoint, number, point_type, label, name, draw, img)
# Draw the circles for known points
# Northing, Easting, Diameter - but N&E are swapped re database
for (N, E, D, num) in [(35975.37, 83018.21, 100, "177"), # Calculated from bearings
(35350.00, 81630.00, 50, "71"), # From Auer map
(36025.00, 82475.00, 50, "146"), # From mystery map
@@ -297,8 +238,66 @@ def prospecting_image(request, name):
draw.ellipse([lo[0]+2, lo[1]+2, hi[0]-2, hi[1]-2], outline=areacolours[maparea])
draw.rectangle([lpos[0],lpos[1]-TEXTSIZE/2, lpos[0] + draw.textsize(name)[0], lpos[1]+TEXTSIZE/2], fill="#ffffff")
draw.text((lpos[0], lpos[1]-TEXTSIZE/2), num, fill="#000000")
#print(f' CIRCLES - {num} {(N,E,D)}')
# ml = MapLocations()
# for p in ml.points():
# surveypoint, number, point_type, label = p
# print(f'{surveypoint}, {number}, {point_type}, {label}')
# plot(surveypoint, number, True, label, name, draw, img)
# print(f'{name},\n{draw},\n{img}')
ents = Entrance.objects.all() # only has entrances and fixed points in it these days,
# but there are only 11 Entrances with northing, easting and a useable tag!
D = 50
for e in ents:
try:
E, N = e.easting, e.northing
if e.tag_station:
st = e.tag_station
elif e.exact_station:
st = e.exact_station
elif e.exact_station:
st = e.exact_station
else:
# print(f' No tag - {e.name} ')
continue
if not e.northing:
continue
lo = mungecoord(N-D, E+D, st, img)
hi = mungecoord(N+D, E-D, st, img)
lpos = mungecoord(N-D, E, st, img)
draw.ellipse([lo,hi], outline="#000000")
draw.ellipse([lo[0]+1, lo[1]+1, hi[0]-1, hi[1]-1], outline="#ffffff")
draw.ellipse([lo[0]+2, lo[1]+2, hi[0]-2, hi[1]-2], outline="#ffffff")
draw.rectangle([lpos[0],lpos[1]-TEXTSIZE/2, lpos[0] + draw.textsize(st)[0], lpos[1]+TEXTSIZE/2], fill="#ffffff")
draw.text((lpos[0], lpos[1]-TEXTSIZE/2), num, fill="#000000")
# draw.ellipse([(x-CIRCLESIZE,y-CIRCLESIZE),(x+CIRCLESIZE,y+CIRCLESIZE)], fill="red", outline="blue")
# draw.rectangle([(x+CIRCLESIZE, y-TEXTSIZE/2), (x+CIRCLESIZE*2+draw.textsize(shortnumber)[0], y+TEXTSIZE/2)], fill="#ffffff")
# draw.text((x+CIRCLESIZE * 1.5,y-TEXTSIZE/2), shortnumber, fill="#000000")
#print(f' SUCCESS - {st} {(E, N)} ')
except:
#print(f' FAIL - {st} {(E, N)} ')
pass
response = HttpResponse(content_type = "image/png")
del draw
img.save(response, "PNG")
return response
return response
# def plot(surveypoint, number, point_type, label, mapcode, draw, img):
# try:
# ss = SurvexStation.objects.lookup(surveypoint)
# E, N = ss.x, ss.y
# shortnumber = number.replace("—","")
# (x,y) = list(map(int, mungecoord(E, N, mapcode, img)))
# imgmaps[maparea].append( [x-4, y-SIZE/2, x+4+draw.textsize(shortnumber)[0], y+SIZE/2, shortnumber, label] )
# draw.rectangle([(x+CIRCLESIZE, y-TEXTSIZE/2), (x+CIRCLESIZE*2+draw.textsize(shortnumber)[0], y+TEXTSIZE/2)], fill="#ffffff")
# draw.text((x+CIRCLESIZE * 1.5,y-TEXTSIZE/2), shortnumber, fill="#000000")
# draw.ellipse([(x-CIRCLESIZE,y-CIRCLESIZE),(x+CIRCLESIZE,y+CIRCLESIZE)], fill=COL_TYPES[point_type], outline="#000000")
# print(f' SUCCESS - YES {surveypoint}, {number}, {point_type}, {label}')
# except:
# print(f' - NO {surveypoint}, {number}, {point_type}, {label}')
# pass