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1
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2answers
50 views

Symbolising multiple lines in the same location

I would like to produce maps showing multiple lines that are in the same location. This poses the problem that the lines overlap each other making one of multiple lines visible when displayed in a ...
1
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2answers
35 views

Fire frequency Map

I would like to create a fire frequency map in ArcGIS showing the areas which have burnt 1, 2, 3 times etc (overlapping areas). Currently I have years from 2000 to 2014 of burnt area MODIS data which ...
1
vote
3answers
92 views

Why dissolve creates many extra features?

I have a shp file in Arcmap 10 that has ~16600 polygons. Some overlap. I want any polygons that are overlapping to be dissolved into single polygons. I want non-overlapping polygons to remain the ...
2
votes
2answers
77 views

finding the outermost border of a set of geomertries (circles)

I have a (large) set of geometries (circles) that overlap.! I would like to find the nearest location outside of this group from my current location. In this example my location is the black dot. In ...
2
votes
3answers
49 views

How to highlight the number of overlayed lines in ArcMap?

Using ArcMap 10.2, I have a feature class composed of several lines representing bus routes for the same transit line. There are different routes according to schedules. In the image below, each route ...
0
votes
1answer
38 views

CartoDB - Multipolygon not showing intersections

I'm having an issue with Multipolygons on CartoDB. I have a very simple scenario: A multi polygon row on a table that needs to be displayed on the map. Fact is that when more than two polygons ...
3
votes
0answers
20 views

Labelling Max coverage by Area

I'm struggling to find a quick way to identify and label an area by the maximum coverage of an overlapping polygon. Has anyone done a process like this lately? I'm currently playing with the Pivot ...
1
vote
0answers
55 views

Check for overlapping vertices without topology, spatial analyst, or 3D analyst in ArcGIS

I need to check for overlapping vertices in breakline and stream polylines but I do not have any extensions in ArcGIS 10.2. Does anyone have a work around? I have ET GeoWizards or can create a tool if ...
2
votes
2answers
42 views

a map for the number of overlapping polygons

I have a geodatabase with a given number of polygon features. I would like to generate a layer (V) that displays the number of overlapping polygons at any given (x,y) location spanned by my polygons. ...
2
votes
1answer
88 views

Calculating area of polygon inside region?

I am new to geographic information systems and i need to calculate the area of a a polygon ( a circle to be precise) that falls inside the boundaries of a region, say a state or a country. For ...
1
vote
0answers
17 views

Combine group of maps to add/edit features in .NET

Use Case: I have 100s of square/rectangle shaped maps which I want to edit/add features like Dam, Ponds etc. either one map at a time (or 8 maps on each side & corner, if possible). The task is to ...
1
vote
0answers
34 views

Overlapping Polygons

I have a project that requires us to plot floods in a certain area, the example below shows the flood areas. What I would like to know is how would I be able to shows these polygons in a better ...
1
vote
1answer
79 views

QGIS - Identify overlapping polygons in single layer

I have a shapefile of buffered points in QGIS. I need to display all buffer polygons in this layer which overlap. I have experimented with the intersect tool, but this only seems to work if I am ...
6
votes
3answers
171 views

How to count overlapping polygons from one Shapefile?

I have a shapefile with 16400 polygons. Each polygon shows the expansion of a bird species for the whole world. Now I have to count the overlapping polygons. I tried it with union and dissolve ...
1
vote
0answers
28 views

Checking Annotation overlap with other features using ArcObjects?

I want to check annotation features overlap with any other feature and also have to give other overlapped feature list....please tell any method for this? Now i am using buffer around selected ...
2
votes
1answer
142 views

Count overlapping polygons in single shape file with R

I have a shapefile of species ranges for ~ 346 species. Some species have multiple polygon ranges so there are 1,078 polygons and many polygons are multi-part. It looks something like this: I ...
3
votes
1answer
32 views

How many A features that fall both in the B polygons and C polygons are for each C polygon?

I have this apparently complex problem for solving in ArcGIS: Practically, I need to get the number of all yellow polygons that fall within both the green polygons and the red polygons. I need this ...
2
votes
0answers
16 views

Splitting overlapping points with same symbology in ArcGIS for Desktop? [duplicate]

I'm using a Basic license of ArcGIS 10.2.2 for Desktop. I have a point feature class layer and I uploaded it twice for representing 2 features. first is a type of person & second is the ...
2
votes
0answers
59 views

Identifying certain polygon from overlapping set

To clean up a large shapefile, I am looking for a way to do the following: I have the ID of many polygons which need getting rid of stored in a list. These polygons are villages and a second ...
2
votes
0answers
103 views

How to merge overlapping and duplicate lines from vector layer to one single line?

I used the "polygone to line" tool from QGis, to get a line-layer from this polygon-layer: unfortunatly this causes overlapping and duplicate lines, after I broke the qgis-export via GRASS into ...
1
vote
3answers
59 views

Summarize the total area of land use polygons within map sheets - how?

I would imagine that at least some of you have encountered similar problems to mine and I´d like to hear how you solved them. I have a map sheet index (a grid as a shape file) covering a large area. ...
1
vote
2answers
45 views

Network Analyst resolved route can't display properly on printed map [duplicate]

I have looked on the Internet but there are no updated answers. I am using ArcMap 10.2. I am trying to print the route resolved by network analyst but there is no way I can display overlapped ...
3
votes
2answers
256 views

Zonal statistics for millions of overlapping polygons

I am running ArcGIS 10.1 with 64-bit GP on Windows 8.1 x64. I want to calculate the zonal statistics of buffer polygons based on parcels and a kernel density raster. The 4.7 million polygons overlap ...
0
votes
1answer
252 views

Find overlapping polylines in same layer in ArcMap?

How can I find overlapping polyline features in a layer in ArcMap without writing any code? I have a PolyLine feature class in a personal geodatabase. It contains some features that overlap another ...
0
votes
0answers
33 views

Iterating Intersect Between Dates for single and dual shapefiles of multiple polygons

I'm looking at day range overlap for an animal - to do this I'm looking to generate intersection polygons from the animal's range on day 1 to day 2, then day 2 to day 3 etc., from day 1 to the end of ...
1
vote
0answers
204 views

FindTask result returns an array of features but only displays the last item in the popupwindow

executing the complete findtask url generated by my application from the address bar I get back a good json object that returns 112 features I was trying to implement functionality similar to this ...
2
votes
1answer
48 views

Make convex hulls opaque or transparent

I have a series of convex hulls that I want to overlay but I want to be able to see all of them at the same time. How do I do this so? I'm guessing making them slightly transparent will do the trick
0
votes
1answer
104 views

How to perform an attribute-weighted sum of multiple polyline features from a single vector layer?

I have a shapefile of ~8000 polyline vector features representing traffic journeys on road routes. Each has an attribute representing volume of traffic for that journey. The routes are all generated ...
0
votes
1answer
148 views

Overlapping transparent polygons won't darken

A client of ours wanted a map showing the 5-mile and 10-mile radius around business locations today and specifically requested that the overlapping transparent buffer radii grow darker with each other ...
1
vote
1answer
33 views

Union with Concatenated Values

I have a polygon feature class in which the polygons frequently overlap each other. I want to find all of the unique combinations of overlapping polygons within that feature class. I believe I want to ...
0
votes
0answers
49 views

How to displace overlapping features in OpenLayers?

I have two line layers representing a different bus routes. The bus routes sometimes run through the same street. In these cases, the line layers overlap and only the upmost layer in the stack is ...
1
vote
3answers
164 views

How to merge overlapped shapefiles without one layer's overlapping area?

I created a forest type map from 50 scene satellite images as shapefile under the following conditions. Some shapefiles are overlapped, because scene overlaps each other. There is an order of ...
3
votes
0answers
76 views

Is there a “Disperse Markers” tool for QGIS?

I am using ArcGIS, but either I would like to use QGIS and maybe want to switch completely later. A have a point overlapping problem, as a result of geocoding of addresses. I have not found any ...
1
vote
2answers
83 views

Create Shapefile of all overlapping features from single Shapefile

I need to create a Shapefile out of another Spahefile that consists all overlaps of features within the initial Shapefile. I'm sure there is a simple solution using ArcMap or QGIS, but at the moment ...
2
votes
1answer
49 views

How to do the overlap detect for buffered lines

We have almost 50000+ lines which we want to remove a line if it is too close to the other. So we tried to do a buffer for two line, then check if the buffer area are overlapped. I wonder if there ...
0
votes
0answers
7 views

Is the label engine or data server responsible for reducing the number of features

We are working on an android application which load vector features from the server and render(with labeling) them in the client. Since there maybe a lot of features in a single viewport, so the map ...
0
votes
1answer
52 views

How can I keep only the maximal value of two overlapping polygon, keeping also the initial value where they don't?

I work with ArcGis 10.2. I want to Combine (Union?) two Polygons FC of waterdepths, both having the same classification but not the same elements. I want to keep all the elements and all the initial ...
1
vote
0answers
23 views

selecting polygons that share XX percents from another polygon (all are in the same layer) [closed]

I have a layer with many overlapping polygons. I want to select / delet all polygons that another single polygon contain at least 90% (or any other value) of them. I'm using ArcGIS 10 (can get access ...
0
votes
0answers
38 views

How to split apart overlapping features using QGIS?

I have a set of 20 features that are the exact same shape (a rectangle) that are stacked on top of one another in QGIS. Is there a way to programmatically separate them? Ideally I'd like to separate ...
5
votes
2answers
177 views

Postal codes in shapefile overlapping

I downloaded some shapefiles from the Australian Bureau of Statistics (ABS). Its basically showing a bunch of suburbs when I view the shapefile through a GIS tool. The GIS tool that I am using at ...
0
votes
0answers
18 views

shifting/seperating overlapping polygons into several smaller polygons within the same sapce (QGIS)

I'm using QGIS and have shape files from the City for parcels of land. There are a few apartments and condos in which the parcels have not been separated - i.e., instead of a dozen small rectangles ...
1
vote
0answers
38 views

Why does clip only return the top polygon?

I'm running the command below on a data set with many stacked polygons. This is a county standard so I can't change the way they manage their data. Each type of polygon can be uniquely identified ...
1
vote
0answers
47 views

Calculating Percent Overlap Between Distribution Maps

Hello there, I am currently trying to calculate the percent overlap (basically the total amount of overlap where these two species come into contact) between Lithobates catesbeiana (first image) ...
3
votes
1answer
221 views

PostGIS - when I add a polygon, delete overlapping areas in other layers

I'm starting to work with PostGIS and I'd like to solve the following problem: In my database, I have multiple land use class layers, for example: "residential", "industrial", "commercial". The ...
2
votes
1answer
185 views

How to select only polygons that overlap with another layer?

I have two shapefile layers created from different thresholds from a predictive model (Pink=80; Yellow=95). Is there a way to create a new layer of only those pink polygons that contain yellow ...
1
vote
0answers
147 views

How to simplify a self intersected / self overlapped polyline using ArcObjects?

I have a self intersected polyline, how can I break it into 5 records stored in the same table using arcobjects? (splited by vertices and the intersection point) Here is what I have got and it ...
0
votes
1answer
82 views

Intersecting Overlapping Polygons Individually in ArcGIS

Map Layers: -Census Tract Shape File w/Population Data -Set of Store Locations with 5 Mile Buffers (Significant Overlap Between Buffers) I have create feature layers for both and I am trying to ...
0
votes
0answers
8 views

Alternative to RemoveOverlap in Business Analyst

Is there an alternative process or function that will remove overlap similar to RemoveOverlap in Business Analyst? I do not have a business analyst license. Thank you
3
votes
1answer
215 views

How to count and rasterize polygon overlaps in QGIS?

I have a large number of polygons that are overlapping. I'd like to create a heat map and plan on using raster calculation to do this. My plan: to give each polygon a raster value of 1, and adding ...
0
votes
1answer
246 views

Smooth polygon boundaries

I have a kml file with boundary polygon. It has a lot of gaps and overlaps in them. I converted them into shapefile and tried to use smooth and generalization feature tool in a couple of GIS ...