Feature category: 1. Settlement, economic and cultural features
Feature type:
(with ordinal number)		 1.03 TOWER, TOWER-LIKE BUILDING (VÌŽ, VÌŽOVITÁ NÁSTAVBA)
Feature type code: al018
Feature definition:

A separate tall building or part of a building (superstructure), in which height predominates, serving defensive, religious, sightseeing, radiocommunication and other purposes.
Geometric determination of the feature: point
Positional accuracy: mp = 1,0 m
Geometric data source: aerial survey photos, orthophoto, field recognition
Descriptive data source:
field recognition, Geonames, VGHMÚø, ÈRa
A t t r i b u t e s :
Attribute name Data type Attribute subject Attribute values Code list
PODTYPOB_K
PODTYPOB_P 		VARCHAR2(3)
VARCHAR2(50) 		building feature subtype C_PODTYPSTAVOBJEKTU
VYSKA_OBJ NUMBER(4,0) feature height in metres
ZDROJVYS_K
ZDROJVYS_P 		VARCHAR2(1)
VARCHAR2(40) 		feature height source C_ZDROJ_VYSKY
JMENO VARCHAR2(100) name transferred from Geonames
FID_ZBG VARCHAR2(40) unique feature identifier in ZABAGED®
S i z e   r e s t r i c t i o n s :
lookout tower: hight ≥ 5 m
lookout building: hight < 5 m
E x a m p l e s :
Pøíklad
Feature illustration - lookout tower + transmitter (code 301); photo: ZÚ archives
Pøíklad
Feature illustration - transmitter (code 092); photo: ZÚ archives
Pøíklad
Feature illustration - lookout tower (code 091); photo: ZÚ archives
Pøíklad
Feature illustration - isolated tower (code 016); photo: ZÚ archives
Pøíklad
Feature illustration - other tower superstructure (kód 019); photo: ZÚ archives
Pøíklad
Feature illustration - church tower (code 017); photo: ZÚ archives
Pøíklad
Feature illustration - lookout tower (code 091); photo: ZÚ archives
Pøíklad
Feature illustration - chapel tower (code 018); photo: ZÚ archives
Pøíklad
Feature illustration - transmitter (code 092); photo: ZÚ archives
Pøíklad
Feature illustration - lookout tower (code 091); photo: ZÚ archives
F e a t u r e   h i s t o r y :
2024-01-01: 093 (lookout building) - value added to the code list C_PODTYPSTAVOBJEKTU
2020-03-01: 1.03 TOWER, TOWER-LIKE BUILDING (ft_al018) - feature name changed (TOWER-LIKE BUILDING, OTHER TOWER SUPERSTRUCTURE -> TOWER, TOWER-LIKE BUILDING)
2020-03-01: 016 - (isolated tower) - code description in the code list changed C_PODTYPSTAVOBJEKTU (016 ( other tower superstructure) -> 016 (isolated tower))
2020-03-01: 017 (church tower) - value added to the code list C_PODTYPSTAVOBJEKTU
2020-03-01: 018 - (chapel tower) - value added to the code list C_PODTYPSTAVOBJEKTU
2020-03-01: 019 (other tower superstructure) - value added to the code list C_PODTYPSTAVOBJEKTU
2018-03-01: VYSKA_OBJ - attribute added to the feature
2018-03-01: ZDROJVYS_K - attribute added to the feature along with the code list C_ZDROJ_VYSKY
2018-03-01: ZDROJVYS_P - attribute added to the feature along with the code list C_ZDROJ_VYSKY
2016-04-01: JMENO - attribute data type changed (VARCHAR2(80) -> VARCHAR2(100))
Extended web version updated to: 17.03.2025
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