On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair are the same and all other pairs are unique.

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1answer
374 views

Tiff raster display with polygon layer

Does any body have an idea about why *.tiff images are not displayed when added as raster layer to QGIS after adding a vector layer which has a polygon geometry? SOLVED !! In fact the tiff is ...
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0answers
711 views

How to remove small polygons in ArcGIS 10 using extension by Gonza2?

Does anybody have experience and success working with the Remove small polygons from a feature class script tool by Gonza2 in ArcGIS 10? The extension works perfectly in previous version of ArcGIS ...
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1answer
55 views

represent multiple geometry as single feature

There is a school. it is on two disjoint areas, one is primary wing and other is secondary. I need to make single feature from the two areas such that, there is only one column in gis table, i.e. only ...
-1
votes
1answer
244 views

Finding the area of a polygon feature in a shapefile [closed]

Excuse the very simple question. How do i find the area of a selected polygon feature in a shapefile?
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1answer
80 views

Determining if polygon contains point to populate point's field with polygon's name using arcpy.da?

Am trying to check if the points in a point shapefile are contained within a polygon shapefile and if so, to populate a field in the point shapefile with the name of the polygon and to populate the ...
-1
votes
1answer
42 views

Partitioning Polygons layer to smaller partitions

I Have a huge polygon layer which contains many thousand polygons> i am going to operate an intersect loop for every point in the layer with near polygons. i use ITopologicalOperator op = ...
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votes
1answer
162 views

Optimizing ArcPy code to cut polygon?

There is a lot of nested loops and wondering of ways I could speed up this code? Any ideas? Note: This requires ArcMap 10.2 def cut_geometry(to_cut, cutter): """ Cut a feature by a line, ...
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0answers
31 views

what is the math behind rasterization? Doubt [duplicate]

In Figure 4 you can see how the overlap is not complete (marked with circles). What I would like to know which algorithm that QGIS uses the rasterization? What is your standard? Is there a percentage ...
-1
votes
2answers
444 views

Retrieve common paths of polylines ArcObjects

I have a polygon featureClass and a polyline featureClass. I now want to handle all geometries within the latter that are contained in the boundaries of polygon features, that means they shell simply ...
-2
votes
1answer
49 views

How do I get the Coordinates of a shapefile into .csv [closed]

I have followed all the instructions on this site, but my output always shows Area, and Perimeter of each polygon. Am I missing something? Should I be changing a setting somewhere to select ...
-2
votes
1answer
690 views

Postgis error on select all intersetcs of a polygon [closed]

i can get all polygon on intersects this:-7.9245860488441 -37.122384500713,-7.9245860488441 -37.11904223938,-7.9233955716106 -37.1187601948 SELECT * FROM propriedades WHERE ST_Intersects( ...
-2
votes
0answers
29 views

Knowing POLYGON points get centroid [on hold]

I am newbie in arcgis javascript api. How can I get POLYGON center point, if I have such POLYGON ((669539.71299999859 201820.14200000092, 669632.02099999972 201763.50000000373, 669629.62600000016 ...
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votes
1answer
614 views

Extracting Cities, Towns and Villages boundary coordinates [closed]

How can I extract the polygon coordinates of cities,towns and villages from OpenStreetMap? Are there any other free databases available?