A graph is a representation of a set of objects where some pairs of the objects are connected by link

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2
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0answers
225 views

ArcPy Add Graph Window

The arcpy MakeGraph_management tool suggests that a graph is stored via an in_memory representation that can be either: added to the host app or saved using SaveGraph_management. The graph appears ...
2
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2answers
30 views

Create time series graph with multiple rasters

I need to create a time series graph for a few random cells with known underlying attribute such as "forest" or "agriculture" based on the VCI (Vegetation Condition Index). I have been reading and ...
0
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1answer
224 views

Software to draw graph from OSM map?

I am new in OSM, I have downloaded the data of my map from OSM using the JOSM and i have saved it in a *.xml format. I'm trying to convert a nodes and a edges (ways) from a OSM map to a graph ( ...
1
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1answer
40 views

Constructing a weighted graph a.k.a. a road network with distances for a specific area

Pardon my ignorance in GIS/Routing tools as I'm new to it: I have a map in OSM format and wanted to build a routable graph out of it ( to experiment a searching algorithm I have in my PhD thesis). ...
1
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0answers
25 views

edge Data labelling OSM local tile server

i have OSM tile server running locally on my machine I have used Leaflet to add markers Now I am looking for graph script in which markers to act as nodes and polygon (more precisely an arc) to show ...
1
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0answers
20 views

Qgis network prepare road graph

I have been working on finding shortest path between two buildings. For that purpose i have created kml files of various streets, converted them into shape files and then merged all of them together. ...
0
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2answers
62 views

Shortest path problem from A to B on routing engines

I am in the process of creating a routing engine. I have encountered the following problem. Lets say the user gives a point A and point B and expects to get the A->B shortest path. I am using simple ...
1
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1answer
50 views

How can I create a pie chart of species recorded so that the colours match the symbology of the GPS points displayed in my map?

I have created a map in ArcMap 10.3 showing the locations of bat sightings in a borough in London, the symbology set to show the different bat species recorded. I want to have a pie chart as an insert ...
1
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1answer
48 views

What each stack element does

I'm using the opengeo stack, and want to double check my understanding of each element. PostGIS - The database for storing my data GeoServer - The link between the online part / the database Here'...
0
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0answers
26 views

Putting shapefile into spplot graph?

I have a spplot with a kriging but I need to put a shapefile into this spplot? How can I do that? I could obtain this with a intersection but I just need the shapefile over this.
0
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1answer
53 views

Selecting all pixels from Pixel Inspector?

While using the Pixel Inspector, whenever I click "copy all values" it only copies values that you can see on the screen. Anyone know a solution? I need all the values to count the number of times 1, ...
4
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1answer
48 views

Access to graph properties in arcpy

I am using data driven pages and arcpy.Graph() object to automate production of synchronised map/long-section series similar to this: I'd like to keep vertical scale for long-section part. In order ...
1
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1answer
51 views

Graph preview in Python toolbox

I need to create a toolbox in python, which will be used for making graphs. I need the parallel preview window during the graph creation. Half of the screen will be used for settings the parameters ...
5
votes
5answers
842 views

What software would be useful to create General Transit Feed Specification (GTFS)?

I am doing a project in which i am required to create GTFS. I look at transit google developer forum which provide a format to create feed but that completely have to done by hand (we have to write ...
1
vote
1answer
99 views

OSM2PO Postgres to graph for A*

I have created a directed graph from the nodes stored within my Postgres db but the resulting graph doesn't seem to be fully connected and as a result my shortest path algorithm is not able to find a ...
1
vote
1answer
83 views

Dynamic Profile Graph for Data Driven Page Atlas

I used Strip Map Index Features tool to create a Data Driven Page set of maps and I would need to create a new data frame that will contain a dynamic profile graph that will be modify depending on ...
2
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0answers
43 views

Create network graph from contiguous polygons in KML, or PostGIS?

I am using Postgres 9.5 and PostGIS. I have a table with a geometry field. This table has about 200 rows, in each of which the geometry field contains a Polygon. I would now like to derive an ...
0
votes
0answers
14 views

How do you add an image to a point location in ArcGIS 10.3?

I have a set of point locations (groundwater wells) and a graph of groundwater elevation for each location. Is there a way to show the graphs at their respective locations on the map, without having ...
1
vote
1answer
50 views

Extracting coordinates of a triangulation from DEM data

I'm working on the succinct representation of planar graphs and now I'm trying to obtain some datasets to test my results. I saw that Delaunay triangulations of elevation data can be a good source of ...
1
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0answers
78 views

Create profile graph over multiple rasters (ArcGIS 3D Analyst)

When having a raster which represents an array of values, for instance, elevation, I can generate a profile graph over a line I draw using the 3D Analyst toolbar. A sample graph: When generating a ...
0
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0answers
46 views

Comparing Population Pyramid - Fixed or dynamic X-axis?

I have prepared an interactive visualization for Population Pyramid of G-20 countries from 1990 to 2100 using United Nations 2015 Revision of World Population Prospects data. However, in order to ...
0
votes
2answers
302 views

Loading graph (.grf fle) into MXD using ArcPy?

I have hundreds of pairs of FGDB and associated MXD files. I need to insert a graph in each mxd linked to its corresponding FGDB. No problem creating graph, but stuck on how to get graph into mxd ...
2
votes
1answer
85 views

OSM Reverse Geocoding - Find closest node for Coordinates [on hold]

currently I am experimenting with Neo4j as Database for OSM Data. In the end I'd like to do routing stuff. I had a look at the Neo4j/spatial, but this is to blown up for me (not optimized for routing)....
0
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1answer
32 views

pgrouting - topology creation with explicit node file

Learning pgrouting, I would like to build a simple public transport routing engine. Starting with a simple metro network (DC in my case, see excerpt below), I would like to combine the line ...
4
votes
4answers
300 views

Creating best fit line from point data using ArcGIS for Desktop?

I have GPS points that show the locations of surface bubbles from a research dive along a transect. Wind, waves, and currents have conspired to add error to these data. I want to create a single best ...
1
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1answer
73 views

Create common vertex where line was snapped to another using “snap to segment”

I have a schematic diagram within QGIS consisting of a single layer of line segments. Lines have been snapped to others using "snap to segment". When using the snap to segment option the two lines ...
0
votes
2answers
72 views

How to attach a graph to a point feature class?

Is there any way to attach a graph to every point in a feature class? When I click to identify a point in my map I want it to show me the characteristics from attribute table (as it actually shows) ...
1
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0answers
72 views

Why is the Spatial Analyst toolbar graph different to Graphs>Create Graph?

I'm using ArcGIS 10.3 and want to look at elevation vs frequency of each elevation for a DEM. There seems to be two ways to create this graph: Use the "Create histogram" tool on the Spatial Analyst ...
1
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1answer
476 views

How to create pop-ups with graphs on point layers?

i have a postgresql database which is refreshed all 10 minutes and i need to create graphs in pop-up with the data. When i click, a pop-up (or annotation ?) appears. How can i make it possible ? ...
0
votes
1answer
32 views

Is possible to make a graph in Arc that can act like a Pivot graph.

I have not really used Graphs in Arc that much. I was wondering if it possible to make a graph that can be interactively changed to the selections that are input into it. Ideally something like a ...
0
votes
1answer
43 views

ESRI layer files to directed graph?

I am pretty new to ArcGIS and would like to extract GPS coordinates of nodes as well as the length of all edges connecting those nodes from some ESRI layer files (http://www.nyc.gov/html/dcp/html/...
4
votes
2answers
198 views

QGIS create a line graph with attributes value on a section through the map

I wonder if I can make cross sections of GIS data (other than height). An example: I have a shapefile of a city with building plots and attribute values of the plot size. I want to choose a random ...
8
votes
0answers
179 views

Can GRASS compute the line graph representation of an input graph?

I'm interested in computing a line graph for an input graph, preferably in GRASS since I'll be using other GRASS network analysis tools afterwards. I couldn't find any reference to line graphs in the ...
0
votes
1answer
221 views

Getting time taken for the edge using GraphHopper map matching

Here is the GPX data I am giving to GraphHopper Map matching library: private List<GPXEntry> getList() { List<GPXEntry> sampleEntries = new ArrayList<GPXEntry>(); GPXEntry ...
3
votes
3answers
732 views

Visualization of a big graph in 3D from postgresql/postgis

We have a graph in 3D in a PostgreSQL/PostGIS database. It contains something like 50'000 edges and 50'000 vertices, with x-y coordinates and floors. We would like to visualize this graph with ...
1
vote
1answer
176 views

Why doesn't QGIS 2.8.2 Road Graph accept my road network vector?

I'm using the Finnish official Department of Transport's "digiroad" road network vector file, which has all kinds of roads, cycle paths etc on it, but I can't use Road Graph on it. If I create a new ...
2
votes
2answers
374 views

Why is arcpy.StackProfile_3d -> arcpy.SaveGraph_management creating empty graph?

In a python script I'm trying to save a graph to a .png file with graph output from arcpy.StackProfile_3d but the .png file shows an empty graph. The table created from arcpy.StackProfile_3d shows ...
1
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0answers
33 views

An algorithm that could find a random cycle in a graph

I am looking for an algorithm that could find a random cycle in a graph from a node while that cycle is traversing around another nodes (area). For example, from the green star on the left of the ...
1
vote
2answers
366 views

Can I plot this “diagram” in matplotlib [closed]

I am not sure weather that is the right stackexchange here. I want to grade a diagram like this: http://matplotlib.org/examples/shapes_and_collections/scatter_demo.html Unfortunately, I have no idea ...
0
votes
1answer
92 views

Page definition query not updating graph in layout

I have three graphs in my layout created from feature classes which have Page Definitions set to reference a data driven page. The table of each feature class shows the correct number of features as ...
1
vote
0answers
71 views

Postgis - st_MakeLine and st_lineLocatePoint

Lets explain, I have 4 points (1,2,3,4), and I need to visit clients (A, B, C, D). So, I need to use st_makeline with (1,2,3,4,3)... Now I have to get % position from A,B,C,D; but in visit order. ...
2
votes
1answer
137 views

Converting Historical Railroad Systems Data from KML?

I'm writing a paper for an undergraduate economic history class and I'm interested in North American railways in the 1800's. I've found historical GIS data for the period here. The railroad data are ...
3
votes
0answers
378 views

Make Graph (Data Management), Changing item names in legend [closed]

I'm having python produce a multi-series graph. How do you change the series name in the legend, the default being Vertical Bar, Vertical Bar1, Vertical Bar2.... arcpy.MakeGraph_management(...
0
votes
1answer
755 views

How to add Simple 3d Bar Graph on top of 2d Feature class in ArcMap

I am trying to add a simple bar graph on top of a map in ArcMap. The idea is very simple, to calculate x,y (suppose building area vs building name) and create a bar graph of it. This can easily be ...
6
votes
3answers
2k views

Find a proper path between two nodes in a grid

This question is about finding a proper path (route) between two nodes (P,Q) in a grid (i.e., graph, network, ...). In our concept, we define a path proper (nice) if it is the most similar* to the ...
2
votes
0answers
180 views

Plot the Shortest Paths in a Grid without any clash at a point of time

The efficient algorithm needs to be done and proved for the best solution for the given problem: User inputs: (#) Size of the NxN Grid. (N); (#) No. of Paths: Z; (#) Source and Destination ...
1
vote
0answers
48 views

Sort Field in Pie Charts

I'm working on a class project where we make a pie chart out of an attribute table. The attributes are geologic layers (UNITNAME), and the area they occupy (area_pct). In the "Create Graph Wizard", ...
0
votes
1answer
157 views

How to generate histograms of multiple fields?

I have a large shapefile and I'm trying to automate a process to generate histograms of several fields with the MakeGraph tool, but I'm receiving the following error. class 'arcgisscripting....
1
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0answers
121 views

GeoJSON to routing graph

What are the best automated ways of placing the nodes and edges of a routing graph using the GeoJSON data of a multi-level building? What other data is needed (area layout, accessor directions etc)?
0
votes
0answers
164 views

How to embed ArcMap graph into winforms dialog using .NET/C# and ArcObjects?

I am creating an addin for ArcMap in csharp and want to add a graph to a dialog. The native arcgis graph control doesn't seem to been available from the visual studio toolbox. I can't figure out ...