Divide a polygon into equal parts or equal areas in Qgis 2.x

  Рет қаралды 17,721

Kapil Dev Adhikari

Kapil Dev Adhikari

Күн бұрын

#Qgis 2.18 LTR (qgis.org/en/si....
#Plugins needs to be installed (Manage and install Plugins...):
1. Spreadsheet Layers; (Loads spreadsheet files {*.ods, *.xls, *.xlsx} and creates vector layers)
2. Points2One; (Connects points in a layer to form lines and polygons.)
3. Calculate Geometry; (Calculates the area of the polygon and the length of the line, in arbitrary units without typing expressions)
4. Polygon Divider; (Polygon Divider takes a polygon and efficiently divides it into a number of 'squarish' polygons of a defined size and Each output polygon inherits all of the attributes from its parent, as well as a number of additional attributes (id, uuid, area, representative point coordinates). The software can work well on some quite complex polygons even if they are very large. In cases where the algorithm (plugin) finds the geometry difficult to divide, it will make the polygons slightly less square and more rectangular. If the user has the Vector Polygon layer {*.shp, *.KML, *.KMZ, *.GPX, *.GeoJSON, *.DXF, *.GML} can directly use that layer).
#Open Polygon Divider Plugin and follow the rule as below:
^Target Area (in CRS Units)
^If the area in Hectare (ha.):
Target Area =Total area of the polygon (...... ha.) /required number of Blocks or subdivisions (....) * 10,000
^If the area in square meter (m2):
Target Area =Total area of polygon/required number of Blocks or subdivisions.
#Save divided equal area's polygons.
#Thanks.
@Kapildev Adhikari.
@QGIS

Пікірлер: 10
@archiemeijer9978
@archiemeijer9978 5 жыл бұрын
Are there any videos on how to group a layer's polygons together so that the sum of the attributes in a given group are roughly equal while still keeping the polygons close together? I'm trying to do this for a county map where each county has a numerical value.
@vcmorini
@vcmorini 4 жыл бұрын
Thks for the video!! Is the Calculate Geometry still working? I've found some bugs while installing it. "This plugin is broken unable to convert a QVariant of type 0 to a QMetaType of type 1"
@vcmorini
@vcmorini 4 жыл бұрын
I've just found a workaround, by editing the file "CalculateGeometry.py" under "CalculateGeometry" directory. Just edit the line 43. Code in line 43: if QSettings().value('locale/overrideFlag'): #edited, previously: QSettings().value('locale/overrideFlag', type=bool) Thank you & Regards
@Supriyadi-Cartographer
@Supriyadi-Cartographer 4 жыл бұрын
how to use "polygon divider" in 3.12 ?
@KapildevAdhikari
@KapildevAdhikari 4 жыл бұрын
Wait for few months to use this tool in qgis 3.x version
@KapildevAdhikari
@KapildevAdhikari 4 жыл бұрын
Divide / Split polygon into equal parts or equal area polygons in QGIS 3.x kzbin.info/www/bejne/g2HHq3uen799q7M
@jeanrandri7628
@jeanrandri7628 4 жыл бұрын
Does it work on QGIS 2.18? Thanks
@KapildevAdhikari
@KapildevAdhikari 4 жыл бұрын
Jean Randri yes, it’s for Qgis 2.18
@sitahamal9858
@sitahamal9858 4 жыл бұрын
Tq so much daii
@joseangelfernandez5490
@joseangelfernandez5490 4 жыл бұрын
bueno gracias
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