match_result = ac.find_template(imsrc, imobj, confidence)
时间: 2023-05-23 22:05:55 浏览: 55
A: 这是一个使用 OpenCV 库中的模板匹配算法来寻找一张图片中是否存在目标图片,并返回匹配结果的函数。match_result 变量保存了匹配结果,包括匹配位置和匹配程度等信息。imsrc 表示待搜索的原始图片,imobj 表示待搜索的目标图片,confidence 则表示匹配度的阈值。
相关问题
match_elements = driver.find_elements_by_class_name('match') AttributeError: 'WebDriver' object has no attribute 'find_elements_by_class_name'
这个错误通常是因为 `find_elements_by_class_name` 方法写错了,正确的方法名应该是 `find_elements_by_class_name`,也就是 `find_elements_by_class_name('match')`。
另外,你需要确保已经正确导入了 `webdriver`:
```python
from selenium import webdriver
driver = webdriver.Firefox()
driver.get(url)
match_elements = driver.find_elements_by_class_name('match')
```
如果还是出现相同的错误,你可以尝试使用 `find_elements_by_css_selector` 方法来查找元素:
```python
match_elements = driver.find_elements_by_css_selector('.match')
```
其中,`.match` 是 CSS 选择器语法,表示查找 class 名称为 match 的元素。
import arcpy # 设置工具箱参数 input_features = arcpy.GetParameterAsText(0) target_features = arcpy.GetParameterAsText(1) overlap_threshold = arcpy.GetParameterAsText(2) output_features = arcpy.GetParameterAsText(3) # 定义空间连接函数 def spatial_join(input_features, target_features, overlap_threshold): # 创建空间连接对象 join_operation = "JOIN_ONE_TO_ONE" join_type = "KEEP_ALL" field_mapping = "" match_option = "INTERSECT" search_radius = "" distance_field_name = "" spatial_join = arcpy.SpatialJoin_analysis(input_features, target_features, output_features, join_operation, join_type, field_mapping, match_option, search_radius, distance_field_name) # 过滤结果 overlap_field = "SHAPE@AREA" with arcpy.da.UpdateCursor(spatial_join, overlap_field) as cursor: for row in cursor: if row[0] < overlap_threshold: cursor.deleteRow() del cursor # 运行空间连接函数 spatial_join(input_features, target_features, overlap_threshold) # 完成工具箱输出 arcpy.SetParameterAsText(3, output_features)运行错误:Traceback (most recent call last): File "D:\实验2\空间连接.py", line 30, in <module> NameError: name 'input_features' is not defined 执行(kj)失败。请改正代码
可以尝试将空间连接函数定义的代码块放在函数外部,确保在函数调用之前已经定义了变量。另外,在调用函数时,将参数名改为与工具箱中定义的参数名一致。
修改后的代码如下:
```python
import arcpy
# 定义空间连接函数
def spatial_join(input_features, target_features, overlap_threshold, output_features):
# 创建空间连接对象
join_operation = "JOIN_ONE_TO_ONE"
join_type = "KEEP_ALL"
field_mapping = ""
match_option = "INTERSECT"
search_radius = ""
distance_field_name = ""
spatial_join = arcpy.SpatialJoin_analysis(input_features, target_features, output_features, join_operation, join_type, field_mapping, match_option, search_radius, distance_field_name)
# 过滤结果
overlap_field = "SHAPE@AREA"
with arcpy.da.UpdateCursor(spatial_join, overlap_field) as cursor:
for row in cursor:
if row[0] < overlap_threshold:
cursor.deleteRow()
del cursor
# 设置工具箱参数
input_features = arcpy.GetParameterAsText(0)
target_features = arcpy.GetParameterAsText(1)
overlap_threshold = arcpy.GetParameterAsText(2)
output_features = arcpy.GetParameterAsText(3)
# 运行空间连接函数
spatial_join(input_features, target_features, overlap_threshold, output_features)
# 完成工具箱输出
arcpy.SetParameterAsText(3, output_features)
```
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