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Code Issues 19 Projects 3 Activity

ported radosts SRTM altitude tool

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This commit is contained in:
Philip Sargent 2023-10-27 22:13:14 +03:00
parent 7672de2dd1
commit 788de853dc
4 changed files with 28565 additions and 5 deletions
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5
core/models/caves.py
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@ -442,6 +442,11 @@ class Entrance(TroggleModel):
return self.latlong()[1]
else:
return None
def best_alt(self):
return self.best_station_object().z
def best_srtm_alt(self):
return self.best_station_object().srtm_alt
def GetCaveLookup():
"""A very relaxed way of finding probably the right cave given almost any string which might serve to identify it

21
core/models/survex.py
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@ -1,3 +1,4 @@
import math
import os
import re
from urllib.parse import urljoin
@ -6,7 +7,7 @@ from pathlib import Path
from django.conf import settings
from django.db import models
from django.urls import reverse
from troggle.core.utils import height_from_utm
# from troggle.core.models.troggle import DataIssue # circular import. Hmm
@ -72,7 +73,23 @@ class SurvexStation(models.Model):
return utmToLatLng(33, self.x, self.y, northernHemisphere=True)[0]
def long(self):
return utmToLatLng(33, self.x, self.y, northernHemisphere=True)[1]
import math
def srtm_alt(self):
return height_from_utm(self.x, self.y) # height, distance from reference point
def srtm_diff(self):
alt, ref = height_from_utm(self.x, self.y) # height, distance from reference point
diff = alt - self.z
if diff >= 0:
diff_str = f"<span style='color:blue'>+{diff:.0f}</span>"
else:
diff_str = f"<span style='color:red'>{diff:.0f}</span>"
return diff_str, ref
def utmToLatLng(zone, easting, northing, northernHemisphere=True): # move this to utils.py ?
if not northernHemisphere:

28539
core/utils.py
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File diff suppressed because it is too large Load Diff

5
templates/cave.html
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@ -179,7 +179,8 @@
<dt>Location</dt><dd><a href="https://www.openstreetmap.org/?mlat={{ ent.entrance.lat_wgs84|floatformat:7}}&mlon={{ent.entrance.long_wgs84|floatformat:7}}">WGS84 Lat.: {{ ent.entrance.lat_wgs84|floatformat:7 }} N, Long.:{{ ent.entrance.long_wgs84|floatformat:7 }} E</a></dd>
{% endif %}
{% if ent.entrance.tag_station %}
<dt>Tag Location</dt><dd>{{ ent.entrance.tag_station }} <a href="https://www.openstreetmap.org/?mlat={{ ent.entrance.tag.latlong.0}}&mlon={{ent.entrance.tag.latlong.1}}">{{ ent.entrance.tag.latlong.0|floatformat:5 }}N {{ ent.entrance.tag.latlong.1|floatformat:5 }}E</a> (UTM33 {{ ent.entrance.tag.x|floatformat:0 }}, {{ ent.entrance.tag.y|floatformat:0 }}), {{ ent.entrance.tag.z|floatformat:0 }}m</dd>
<dt>Tag Location</dt><dd>{{ ent.entrance.tag_station }} <a href="https://www.openstreetmap.org/?mlat={{ ent.entrance.tag.latlong.0}}&mlon={{ent.entrance.tag.latlong.1}}">{{ ent.entrance.tag.latlong.0|floatformat:5 }}N {{ ent.entrance.tag.latlong.1|floatformat:5 }}E</a> (UTM33 {{ ent.entrance.tag.x|floatformat:0 }}, {{ ent.entrance.tag.y|floatformat:0 }}), {{ ent.entrance.tag.z|floatformat:0 }}m (SRTM is {{ ent.entrance.tag.srtm_diff.0|safe }} m, distance from reference: {{ent.entrance.tag.srtm_alt.1|floatformat:0}}m)
</dd>
{% endif %}
{% if ent.entrance.bearings %}
<dt>Bearings</dt><dd>{{ ent.entrance.bearings|safe }}</dd>
@ -188,7 +189,7 @@
<dt>Other Station</dt><dd>{{ ent.entrance.other_station|safe }}
{% if ent.entrance.other_description %}
- {{ ent.entrance.other_description|safe }}
{% endif %} <a href="https://www.openstreetmap.org/?mlat={{ ent.entrance.other_location.latlong.0}}&mlon={{ent.entrance.other_location.latlong.1}}"> {{ ent.entrance.other_location.latlong.0|floatformat:7 }}N {{ ent.entrance.other_location.latlong.1|floatformat:7 }}E</a> (UTM33 {{ ent.entrance.other_location.x|floatformat:0 }}, {{ ent.entrance.other_location.y|floatformat:0 }}), {{ ent.entrance.other_location.z|floatformat:0 }}m
{% endif %} <a href="https://www.openstreetmap.org/?mlat={{ ent.entrance.other_location.latlong.0}}&mlon={{ent.entrance.other_location.latlong.1}}"> {{ ent.entrance.other_location.latlong.0|floatformat:7 }}N {{ ent.entrance.other_location.latlong.1|floatformat:7 }}E</a> (UTM33 {{ ent.entrance.other_location.x|floatformat:0 }}, {{ ent.entrance.other_location.y|floatformat:0 }}), {{ ent.entrance.other_location.z|floatformat:0 }}m (SRTM is {{ ent.entrance.other_location.srtm_diff.0|safe }}m, distance from reference: {{ent.entrance.other_location.srtm_alt.1|floatformat:0}}m)
</dd>
{% endif %}
</dl>