image_service_register.py
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# coding=utf-8
#author: 4N
#createtime: 2021/7/19
#email: nheweijun@sina.com
from .models import ImageService,Image
from app.models import db,Service
from app.util.component.ApiTemplate import ApiTemplate
import uuid
from app.util.component.SliceScheme import SliceScheme
from app.util.component.FileProcess import FileProcess
import os
import json
import datetime
from .image_wms import Api as Api2
import cv2
import configure
class Api(ApiTemplate):
api_name = "注册影像服务"
def process(self):
# 返回结果
res = {}
try:
guids = self.para.get("guids").split(",")
name = self.para.get("name")
image_service_guid = uuid.uuid1().__str__()
this_time = datetime.datetime.now()
service_guid = uuid.uuid1().__str__()
image_service = ImageService(guid=image_service_guid,
name=name,
create_time=this_time,
scheme_guid=self.para.get("scheme_guid"),
crs = self.para.get("crs"),
service_guid=service_guid)
image_service_exetent = []
for g in guids:
image = Image.query.filter_by(guid=g).one_or_none()
if image:
image_extent = json.loads(image.extent)
if not image_service_exetent:
image_service_exetent = image_extent
else:
image_service_exetent[0] = min(image_extent[0],image_service_exetent[0])
image_service_exetent[1] = min(image_extent[1], image_service_exetent[1])
image_service_exetent[2] = max(image_extent[2], image_service_exetent[2])
image_service_exetent[3] = max(image_extent[3], image_service_exetent[3])
image_service.images.append(image)
image_service.extent = json.dumps(image_service_exetent)
service = Service(
guid = service_guid,
name = self.para.get("name"),
alias = self.para.get("alias"),
state = 1,
create_time = this_time,
update_time = this_time,
description = self.para.get("description"),
#node = Column(Integer),
type = self.para.get("type"),
service_guid = image_service_guid,
catalog_guid = self.para.get("catalog_guid")
)
db.session.add(service)
db.session.add(image_service)
#获得overview
overview_file = self.get_overview(service,image_service)
service.overview="http://{}/API/Service/Overview/{}".format(
configure.deploy_ip_host,overview_file)
db.session.commit()
res["data"] = image_service_guid
res["result"] = True
except Exception as e:
db.session.rollback()
raise e
return res
def get_overview(self,service,image_service):
api = Api2()
query_extent = json.loads(image_service.extent)
if query_extent[2] - query_extent[0] > query_extent[3] - query_extent[1]:
offset = ((query_extent[2] - query_extent[0]) - (query_extent[3] - query_extent[1])) / 2.0
query_extent = [query_extent[0], query_extent[1] - offset, query_extent[2], query_extent[3] + offset]
else:
offset = ((query_extent[3] - query_extent[1]) - (query_extent[2] - query_extent[0])) / 2.0
query_extent = [query_extent[0] - offset, query_extent[1], query_extent[2] + offset, query_extent[3]]
bbox = ",".join([str(x) for x in query_extent])
api.para = {"guid":image_service.guid,"bbox":bbox,"overview":1}
res = api.process()
dir_path = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), "overview")
gid = uuid.uuid1().__str__()
store_file = os.path.join(dir_path, "{}.jpg".format(gid))
cv2.imwrite(store_file, res, [cv2.IMWRITE_JPEG_QUALITY, 30])
return "{}.jpg".format(gid)
api_doc = {
"tags": ["影像接口"],
"parameters": [
# 通用参数
{"name": "name",
"in": "formData",
"type": "string",
"required": "true",
"description": "[WMS,WMTS,影像WMS,影像WMTS]"},
{"name": "alias",
"in": "formData",
"type": "string",
"description": "[WMS,WMTS,影像WMS,影像WMTS]"},
{"name": "description",
"in": "formData",
"type": "string",
"description": "[WMS,WMTS,影像WMS,影像WMTS]"},
{"name": "type",
"in": "formData",
"type": "string",
"enum": ["WMS/WFS","WMTS","MTS","ImageWMS","ImageWMTS"],
"required": "true",
"description": "[WMS,WMTS,影像WMS,影像WMTS]"},
{"name": "catalog_guid",
"in": "formData",
"type": "string",
"description": "[WMS,WMTS,影像WMS,影像WMTS]"},
# 影像参数
{"name": "guids",
"in": "formData",
"type": "string",
"description": "[影像WMS,影像WMTS]影像guids，以英文逗号相隔"},
{"name": "scheme_guid",
"in": "formData",
"type": "string",
"description": "[WMTS,影像WMTS]切片方案"},
],
"responses": {
200: {
"schema": {
"properties": {
}
}
}
}
}
if __name__ == '__main__':
pass