A representation of a real-world objects on a map.

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1answer
25 views

Generate a map image file from tiles and features

I am looking for a way to generate images (e.g. png) from a tile source with features added on top of the map, without user interaction or requiring a browser. Currently, I am able to create a ...
1
vote
1answer
38 views

Uncaught TypeError: d.Wa is not a function

I am trying to add a feature collection fetched from a server to the source of an empty vector layer, but I am getting this error (using OpenLayers 3): Uncaught TypeError: d.Wa is not a function I ...
-1
votes
0answers
30 views

How to programmingly get the feature from a layer by the feature's ID in Python QGIS? [on hold]

I have get a list of polygon features' ID, I want to get the corresponding polygon features by these IDs in the layer, then if I want to do some calculations by using the polygon's geometry. How can I ...
1
vote
1answer
24 views

How to Add a single feature ( features[0] ) from Geojson ( without jquery )

var features = new ol.format.GeoJSON().readFeatures(geojsonObject,{featureProjection:'EPSG:4326'}); console.log("I_got_features[0]_as_<point>_:"+features[0].getGeometry().getType()); console....
2
votes
1answer
41 views

How to make a polyline with two-sided arrows show two colors

I am very new to ArcGis development and so bear with me if I asked a silly question. I am using ArcGis 10.2 on C#. I have two features (A and B) on the map. I need to place two arrowed lines - one ...
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0answers
34 views

how to rotate text with feature in openlayers 3

is it any way to rotate text when feature is rotated? when feature is created text is setted in center middle line. But when I rotate feature text doesn't rotate. I tried to set .setRotation() but ...
3
votes
0answers
34 views

Rotate feature by angle (QGIS)

Trying to offset a line by 10 degrees, rotating around an endpoint. I've read up on the older plugins and the new Rotate Feature tool, but am having trouble. I am using QGIS 2.8.9 Wien, reinstalled ...
0
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1answer
25 views

Duplicating multiple shapefiles in multiple locations

I have created a design for a well pad with two well heads and an access road that I would like to duplicate in multiple (20) locations (i.e., the same site design will be used at multiple sites.) ...
0
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1answer
42 views

Arcgis FeatureLayer.MODE_ONDEMAND not select exactly coodinate?

I'm working with ArcGis API. I push my Feature Layer on map in MODE_ONDEMAND. But when I select feature (selectTask), the coordinates come out as [692010, 101011], with no decimal places. What I want ...
1
vote
1answer
27 views

QGIS - Listing feature names as an attribute within a polygon

I have a number of polylines in QGIS that correspond to seismic SEGY files, and want to subset the dataset using a box/polygon that I make in QGIS. Is it possible to get the feature names that are ...
2
votes
2answers
47 views

How to correctly style GEOJSON (ESRI shapefile) for Geoserver?

I have a geojson file, where features are styled - fill and stroke colours - like this: {"type":"Feature" ,"geometry":{"type":"Polygon","coordinates":[[[15.50487,50.72638],....,15.50487,50.72638]]]} ,...
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1answer
51 views

Why can't I load more than 100.000 Features from a WFS-Layer in ArcMap?

I want to have all the trees in Berlin as Shapefile. But I only get the first 100.000 trees. This is the information about the WFS-Layer: http://daten.berlin.de/datensaetze/baumbestand-berlin-stra%...
0
votes
1answer
44 views

Imported KML Feature won't display in Earth Engine map

I have converted a shapefile polygon to a KML file using QGIS, and now am trying to import it to a Google Earth Engine feature table to clip some NDVI difference analysis I'm conducting, but I can't ...
1
vote
1answer
45 views

Merge points from multiple features that share common attribute

I have several point feature classes that all share similar attribute structure. How might I extract the points from all 9 feature classes that share a specific attribute? Background: There are 9 ...
1
vote
1answer
62 views

Label only selected features with PAL PyQgis using an expression

I'm trying to label only selected features with an expression using PyQgis and the PAL functions, but I don't find any example and the API don't help me a lot (or I don't found it). My Qgis version is ...
2
votes
0answers
50 views

File Geodatabase - Feature Save/Edit/Add Error [closed]

USING: ArcMap 10.4 & ArcCatalog 10.4 FILE LOCATION: Local Was wondering if anyone came across the same issue mentioned below, as I'm haven't been able to find an issue like mine elsewhere - I ...
1
vote
1answer
14 views

Geotools : Using filters to filter a variable value

I have a java swing app which loads a line shape file and draw a map. I'm using a filter and a rule to filter out the lines in the shape file where the attribute "traffic" is greater than 500. Each ...
0
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2answers
42 views

GeoTools getFeatures takes forever

I wrote the following method as an onClick handler. First and second click, I got result from DB. By the third time, the code stopped in the "getFeatures(trgtFilter)" line and didn't return. In debug ...
2
votes
3answers
139 views

Is it possible to delete geometry (create NULL) but retain the feature row?

I'm trying to perform the reverse action to "display x/y". I have a point layer displayed on the map canvas, and I want to delete a point's geometry, as in remove it from the map, but retain the ...
1
vote
1answer
53 views

Feature selection in multiple shapefile layers

I've followed the geotools selection lab tutorial. It works perfectly. Now I would like to add another layer, using another shape file. So I used JFileDataStoreChooser to select another shape file and ...
1
vote
1answer
16 views

Getting the feature information under the mouse (geotools)

I'm interested in programmatically finding out information of the the features (of a map) under the mouse. I'm using geotools for drawing the map using a shape file. I've first used the following code ...
1
vote
1answer
59 views

FME 2016 - FeatureMerger, row data to columns

I'm not able to get it work to "dissolve" data from rows to columns based on a join field. My source is connected twice to the FeatureMerger in FME 2016. It's connected to the Requester port and to ...
0
votes
0answers
21 views

Draw nearest points for specific point-line couples

I have a network made of several segments and some nodes located in the map. What I want to do is to choose individually a couple node-segment and find the location of the closest point to the node ...
0
votes
1answer
80 views

How to iterate through each vertex in a line?

I am working with ArcObjects in building functionality for a toolbar inside of ArcMap. Once I start an edit session, I use the tools to manually draw a line. I am trying to loop through this line get (...
1
vote
2answers
67 views

Identify Features tool - selecting multiple features unless I really zoom in. Way to adjust selection radius

Identify Features tool - it selects multiple features unless I really zoom in. Is there any way to adjust the "selection radius" of the Identify Features tool so its "point sharp". I want to keep the ...
0
votes
0answers
15 views

Overlay tools failure in ArcGIS 9.3 [duplicate]

I consistently get various error messages almost everytime I try to use an overlay tool (e.g. union, intersect, clip, spatial join) or in one case with spatial join I got none-sense results. Some ...
7
votes
2answers
111 views

Features to stay selected by default in QGIS?

Does anyone know if there's a way to configure QGIS so that when you plot a new feature (i.e. a polygon), it stays selected by default? If I have to select it separately, and it happens to fall on ...
2
votes
1answer
53 views

QGIS Random Points Error

I have an error in QGIS that I cannot seem to figure out. I have a zip-code level shapefile from the U.S. Census. I'm merging that with a data file by zip of counts. I want to make a dot density shape ...
2
votes
1answer
47 views

How to select certain fields from a feature class to create a new feature class

I am stuck on how to create multiple features classes from one feature class using a select few fields. I have the following attribute table for a shapefile. I would like to select the 'USAF', '...
0
votes
0answers
52 views

Loading feature from kml file without mouse click or pointermove using OpenLayers 3?

I'm using OpenLayers 3.14.1. I use a kml file to load info about a map, with a linestring and some placemark. I need to select linestring not with a mouse click or pointermove, but after I load the ...
3
votes
0answers
42 views

QGIS “Align Edge” equivalent?

I'm trying to move from Arc to QGIS, and spend a lot of time making maps out of polygon features. One tool that I can't find is an equivalent to ArcGIS' topology tool "Align Edge" - is there such a ...
2
votes
0answers
53 views

Identifying lines of one feature class that touch another feature class with their endpoints in ArcMap? [closed]

I want to find out and select the features of one feature class, which both endpoints touch another feature class. In the picture above it would be the left pink line which touches feature of ...
3
votes
1answer
45 views

Reflectance values from WorldView-1 images?

Most of the informations on WorldView images are related to the second and third version of the satellite. I own a WorldView-1 image (the black and white one) and I really need to find the reflectance ...
0
votes
1answer
652 views

Open Layers: Get Coordinates of drawn features

Can someone help in finding coordinates of drawn features? I am using this example OpenLayers website. I need to be able to export drawn objects as set of coordinates. Posting the code from the ...
2
votes
2answers
139 views

Deleting lines in QGIS

I have a layer with several shapes and from here I want to delete the lines. I tryed Toggle editing and Select features by polygon but when closing the polygon, it dissapears. Also I tried to delete ...
2
votes
1answer
94 views

In QGIS combine multiple polygon parts of a single feature

This is a repost of my unsolved QGIS dilema. The image shows a single selected feature that consists of two polygons and the corresponding attribute table. Some nodes of the left poly have been added ...
0
votes
1answer
116 views

How to delete features/records in ArcGIS Online hosted service using Python

How to delete features/records in ArcGIS Online hosted service using Python? I need to delete some features using Python from a feature services hosted in ArcGIS Online. I read a similar post that ...
2
votes
0answers
151 views

“Geometry cannot have Z values” exception in ArcGIS Engine

I'm trying to put a list of point features (selected points) into a new FeatureClass. but when I add them to my FeatureClass I get the "Geometry cannot have Z values." exception on the line "buff....
4
votes
0answers
45 views

Combine multiple adjoining parts of a single feature

In QGIS, one polygon feature resulted from merger of several adjacent polygons. This one new polygon feature has a single line through it that I would like to eliminate. When hovering over individual ...
0
votes
0answers
25 views

Create polyline at latitude line

I would like to create a polyline shapefile that runs along a line of latitude between two points of longitude. I have been able to create a line by creating a new shapefile, then editing the vertices ...
0
votes
2answers
36 views

Feature class imported table as points and now want to display

In ArcCatalog and ArcMap 10. I have set up a feature class with all the fields I want to populate. I have data in a table format which includes wasting and birthing columns. I used the load data to ...
1
vote
1answer
48 views

Google satellite Image_Features

What is the method to close labels and features on satellite images of Google maps? NOTE: I don't want to use classic version of google map or use of history of google map. What i want to remove or ...
3
votes
1answer
185 views

Apply symbol to each feature (Categorized symbol)

I want to apply unique symbol to each feature. i have used following code for doing that from qgis.core import * from PyQt4.QtGui import * # supply path to where is your qgis installed QgsApplication....
0
votes
2answers
94 views

how to draw coordinates along the lanes using MultiLineString instead of LineString

I trying to draw lines along the path of the lanes on the map using openlayer3 but i am not getting any lines on the lanes there is no error in the developers console as well <!DOCTYPE html> &...
7
votes
1answer
489 views

Feature/label visibility based on spatial relationship to index feature using data-driven pages

I'm creating a series of maps using ArcGIS data driven pages. I know how to display features that share an attribute with the index layer, but is it possible to display features (and similarly, labels)...
6
votes
4answers
1k views

Can someone help me identify this part of the map?

I'm sure 1 is a road, but what are those bumps on the side? I'm guessing 2 is a footpath. I have no idea what 3 is, if you don't know what it is, fine, let's leave it at that. I searched for what ...
0
votes
0answers
16 views

How to get feature ID correctly in Near table?

I have generated a near table using ArcToolbox, and there are 50 points in two datasets. The feature ID for input and near are quite bigger than normal, as the left one in the enclosed picture. I have ...
5
votes
1answer
86 views

How to define precisely the radius size when using 'select features by radius' in QGIS

I'd like to select features with circles having precise radius in QGIS. By default this tool is freehand so it is hard to get a precise value.
1
vote
1answer
143 views

How to get the selected features - javascript api

I am totally new to geocortex. I am using Geocortex HTML5, javascript api After using identify tool to select features, how can I get the selected featureset in code?
4
votes
1answer
97 views

Select feature one by one and save it as image

I have used following code for selecting the features and save it as image. layer = self.iface.activeLayer(); layer.setSelectedFeatures([]) count =layer.featureCount() lstChalta = [] lstFeatures = ...