By region to eliminate --arcgis python tutorial examples
Objective: the corresponding finely divided polygons, polygons incorporated into the surrounding large, while requiring the same area. For example, processing a plurality of polygons composed of counties, County finely divided polygons can not be combined one to another county
Instructions:
Tool Name: eliminatePerZone
field: description of the respective areas to be treated
eli_where: finely divided polygons conditions, for example, represents an area of FIG. <5km2
out_name_prefix: prefix represents the output data can be ignored
Requirements: If you use the automatically generated geometric field, because every time the need for automatic update, in order to ensure consistency, use a geographic database. If the accumulated data is less than 4g, MDB may be used; if the total is greater than 4g, must be used gdb.
method of obtaining:
Tools: 500 yuan
Tools + Training Video: 1000 yuan
+ Interactive training tool: 10,000 yuan
Tools of the source code: 1000 yuan
Tool + source code + Training Video: 2000 yuan
Interactive tool + source code + Training: 20000
After the PayPal payment the right, into the QQ group ArcGISKeY894412593 acquisition tools, source code and training videos.
Afternoon for the data analysis process, production aids, can be ignored
1 inspect the spatial reference, found it is wgs84
2 it should be projected as utm
l=109,
n=(l+3)/6 + 30= 49
3 record count more than 32 k
4. eliminate cond:
area < 5km2 = 5000000 m2 and got 17 492 features
