0
votes
0answers
6 views

How to create flow maps in Qgis

I have several records from a survey and would like to show flow map from places mentioned in the survey. I have all places mentioned georeferenced and some records mentioned no places and others ...
0
votes
0answers
4 views

PyQGIS Search Table Data for Items

Need some sample PyQGIS code to search "parcels.shp" by user input and find the searched item in the "pin" text field. Zoom to the selected Item on the map. Thanks
0
votes
0answers
2 views

QGIS to Leaflet Projection Weirdness

I've been using the mmqgis tool to create a hex grid. It loads up in QGIS looking good, but when I save it as geojson and load it up in leaflet it gets stretched (see attached). It starts life as ...
1
vote
1answer
13 views

QGIS LTR vs other release

Just after some advice with respect to the QGIS LTR schedule. Our IT managers have recently intervened in our use of QGIS (a State Government Authority) and are wanting to put in place a policy to ...
0
votes
0answers
5 views

Adding to signature list from ROI list does not work?

I'm trying out QGIS with SCP, but I've run into some problems First of all, my setup is as follows: QGIS version 2.10.1-Pisa on Mac OSX Yosemite 10.10.5 compiled and running against qt 4.8.6 ...
0
votes
1answer
19 views

Debugging Indentation error on Python Parser of ArcGIS Field Calculator?

Would anyone please help me find out why I get an indentation error in line 3 def calc(f1,f2,f3): remove_list = ['01ST', '02ND', '03RD', '04TH', '05TH', '06TH', '07TH', '08TH', '09TH'] if f2 in ...
1
vote
2answers
43 views

Legal Requirements for using Drones/UAS/UAV for GIS

Can anyone give me a better idea of the specific requirements for commercial use of drones for GIS work? What would be required of the pilot? Edit: I'm also looking for more insight into when the ...
0
votes
2answers
14 views

QGIS 2.10, csv points to vector grid

I have a series of point data from a .csv file that I would like to display as a heatmap raster, the .csv data have various attributes with them and I would like to adjust the color ramp based on ...
3
votes
0answers
30 views

Altering input files in a Python toolbox? [on hold]

I'm trying to add a temporary field to one of the input feature classes in my Python toolbox. arcpy.AddWarning("Adding field of type " + fieldType.upper() + " to FC " + varFC + " called " + ...
0
votes
1answer
29 views

Set color to polygons

I need to color each polygon based on its area and length. I can loop through all polygons, find out their area .geometry().area() and if it is larger than 100 meters squared, than I want it to be ...
1
vote
0answers
15 views

Deploying Web AppBuilder Application with php

I have created my web application with the Web AppBuilder Developer edition, downloaded the zip file and customized the index.html file in my localhost environment. Everything works fine until I ...
0
votes
0answers
12 views

How to use interacting PostgreSQL/PostGIS triggers in QGIS?

I use point geometries (table 'label_point') to place multiple labels on polygon geometries (table 'soil'). After doing layer edits I've to update the affected label_point features. Therefore I've ...
1
vote
1answer
21 views

Certain polygons not obeying style rules . . . what gives?

http://catalinagis.org/ownership You can see that some of the parcels don't follow the fill style rules (opacity: 0.5) even though the same style rule applies to all polygons in the data. This ...
0
votes
0answers
6 views

Adding WMS Layer Leaflet Trouble

The Problem: I'm pretty new to leaflet and I'm trying to add a outline of the states over my OSM layer via WMS. I've found several tutorials online, some directly from the leaflet website but haven't ...
1
vote
1answer
31 views

Python codeblock to remove numeric characters from a column not working

I am trying to make use of a codeblock found in this thread: How to remove numeric characters from alphanumeric value in field calculation? I put this code into the pre-logic script field of the ...
1
vote
1answer
21 views

Arcpy PrintMap is cutting off part of layout

I am running a script that pulls certain .mxd files out of a folder and prints them for me. For some reason, when I use the script, part of the layout is cutoff; on the other hand, when I open each ...
0
votes
0answers
10 views

Stop queued click event if another event is fired

I'm looking for a way to suppress a map click event if some other event has already happened. The application I have created has two primary functions: Click on marker (park points) --> Brings up ...
0
votes
0answers
8 views

Openlayers 3 cant delete feature

I am using OpenLayers 3. Here i found how to create and read drawn features. Now i am trying to delete a feature after i draw it on the map. I have tried several methods , but it doesn't want to ...
0
votes
0answers
18 views

Assign Line Value based on Adjacent Features

I have two highway line shapefiles and am looking to assign the values of one to another. Right now I have a model that buffers FAF.shp and does a select by location on HPMS.shp. If HPMS is completely ...
0
votes
1answer
19 views

ArcGIS: Goode Homolosine Projection and Inconsistent Extents

I recently posted about a problem in ArcGIS using the Goode Homolosine (Land) projection with the Project Raster tool HERE. The problem was related to a bug with that tool, and a workaround solution ...
1
vote
1answer
31 views

change SRID of shapefile and QGIS

It is possible to change the SRID from a shapefile to another SRID in QGIS ? I have a shapefile in 2100 srid and i want to change it in 4326 SRID.
0
votes
0answers
12 views

QGIS 2.8 composer image

I have a table with photo's, i now want to make dynamic map with discription en showthe photo. In the composer with atlas, so i can produce about 1000 pdf files Is this possible?
0
votes
0answers
10 views

Dynamic Styling with Geoserver

In Geoserver, a have a SLD style with a rule that looks like this <Rule> <ogc:Filter> <ogc:PropertyIsGreaterThan> <ogc:Function ...
4
votes
1answer
40 views

Printing highly detailed and/or complex maps on large format paper?

I don't know if this is the right place for this question but, since it involves maps created with ArcMap, hopefully someone met this same problem. I want to print a highly detailed map of the whole ...
2
votes
1answer
24 views

Edit Related Tables in ArcGIS Online?

Is it possible to edit a related table via the browser in ArcGIS Online? The last update I heard in February was only available via ArcGIS Collector. I was wondering if ArcGIS Online supports this ...
3
votes
3answers
125 views

How to find accurate latitudes and longitudes data for cities?

I want to put the coordinates of cities in a spatial db and then find cities from a given city at some given distance. I am hoping these functions would be readily available in a spatial db like ...
4
votes
1answer
25 views

Free open satellite or other remote sensing data for night time?

I usually work with daytime satellite images to do some image classification (mostly Landsat data from the USGS EarthExplorer). Right now I'd like to check at some night time images to work on city ...
3
votes
2answers
23 views

How to export a polygon based on elevations using a DTM or a DEM

I have a Lidar generated DTM and a DEM (accurate to 10x10 feet). I am trying to export a polygon within a boundary which includes all elevations below a specific number. Seems like this should be ...
0
votes
0answers
5 views

How to add Marker to WMS layer coordinates?

I have this code in my html file <html> <head> <title>OpenLayers Example</title> <script src="http://openlayers.org/api/OpenLayers.js"></script> ...
0
votes
0answers
9 views

Prevent Interpolation on ArcGIS Geocoding Service

I'm using a composite geocoding service with ArcGIS 10.3. It is based on 2 Address Locators, one for place names and one for addresses. Both are based off an address feature class instead of ...
0
votes
0answers
4 views

Addressing a WPS using Geotools' ExecuteProcessRequest

I am trying to address a WPS that is running on a known machine to retrieve some isochrones. Below are excerpts from the relevant parts of the WSDL of said server: <schema ...
0
votes
0answers
21 views

Referencing a raster by center coordinate

I'm concerned with producing mosaics from UAV thermal IR video frames. I exported several several frames containing the temperature values in a matrix (.csv). From camera specifications and flight ...
0
votes
0answers
12 views

mosaicking “TIMESAT” results

Is it possible to mosaic "TIMESAT" results (.tpa or .tts) of different MODIS tiles which of course have different number of rows and columns?
1
vote
1answer
15 views

Problem exporting registers with the land registry in DXF continuation (suite) in reprojection

I visualize (display) a municipality with the plugin register with the land registry in spatiality and in projection Lambert 93. I need the bottom on Autocad in projection CC47 thus I re-throw ...
-3
votes
0answers
30 views

How can i make image of shape file using python in QGIS? [on hold]

Here I am trying to below code, but it give me error. import shapefile import Image, ImageDraw # Read in a shapefile r = shapefile.Reader("K:\TM_WORLD_BORDERS-0.3\Mississippi\mississippi") # ...
0
votes
1answer
37 views

Fix Polygons to be true Rectangles

I got a featureclass polygon of 4 point polygons that delineate the coverage area of a georeferenced image; these polygons will later be map sheets. Anyway I discovered some of them are not true ...
0
votes
1answer
15 views

How to use the hml <area> tag together with Openlayers 3 raster layers?

In order to include interaction to my Openlayer 3 raster layer, I would like to use something similar to the html <area> tag (http://www.w3schools.com/tags/tag_area.asp). The aim is to click on ...
0
votes
0answers
16 views

Layer XYZ - Google API to OpenLayers

I am trying to load some tiles I generated in mercator projections. With the Google API it works perfectly with this script: <script> var map, overlay; function initialize() { var ...
0
votes
2answers
24 views

Postgis : bounding box and intersection

How to create a bounding box around a geom (POINT) and find all the intersecting geoms(POINTS) within that bounding box? Thanks in Advance
0
votes
0answers
19 views

Merge Line Segments based on their length in QGIS

I have a layer containing line segments which are connected by their endpoints (e.g. as within a street network). I'd like to merge (union) polylines within this layer into one feature until following ...
1
vote
1answer
26 views

Updating (or using) Arcgis 9 Extension to Arcgis 10.1

i am a noob learning arcgis, I want to use the following extension Generating and Updating Ordinary and Multiplicatively Weighted Voronoi Diagrams for Points, Lines, and Polygons built for arcgis 9 in ...
0
votes
1answer
8 views

CMV How to use growler

I am trying to use growler into a plugin, does anybody know how to set up a working growler or can point to some documentation?
0
votes
1answer
17 views

How to place items horizontally below heading in Legend in ArcMap?

I'm working with ArcGis 10.2. I want to display a legend which is composed of Title ("Legend"), Heading ("Layer Name") and Items. I want the items (in this case three) to be horizontally disposed ...
0
votes
2answers
27 views

CartoDB's SQL API: Row too large

I am trying to run the following PostGIS query using CartoDB's SQL API: SELECT the_geom, ST_Area(ST_Intersection(the_geom::geography, ST_Buffer(ST_SetSRID(ST_MakePoint(-52.4379, -12.6235), ...
0
votes
1answer
17 views

ArcCatalog crashes in customize mode

I have massive problems with my ArcGIS 10.3.1 installation since a week. My ArcMap crashes on start without any message. ArcCatalog crashes in opening the customize-dialog opening the tab commands. ...
0
votes
1answer
21 views

Points and polylines representation of coordinates in QGIS? [duplicate]

I am working on the "Jakarta Bay", Indonesia. I have a shapefile for the Indonesian coastline and I clipped my region of interest using an appropriate polygon. I also have points that are located ...
0
votes
1answer
12 views

Cut/Clip/Split a polygon with another polygon from same layer (Editing) - Qgis 2.8.1

To not have overlapping polygons/features I normally use a practice where I use one or more polygons to clip/shape other polygons. This is often much faster than tracing when adding polygons etc. I ...
2
votes
1answer
7 views

How to change the data storage place in Geoserver?

When add a new data storage in geoserver,the url will be a local address.What if I want to direct this url to a remote server address?The data are storing at the amazon server.
1
vote
1answer
23 views

About defining coordinate reference system

I have been wondering about the following issue for several years. In ArcGIS and QGIS you can add data on your map and it aligns perfectly even when the Coordinate Reference System (CRS) is not set. ...
0
votes
1answer
18 views

Error in saving polygon with openlayers-3 and geoserver 2.7?

I'm using OpenLayers 3.8.2. I have wfs layer. I insert a feature. I save this feature as follow(I use geoserver 2.7-SNAPSHOT in server side): var features = source.getFeatures(); var insertedArr = ...

15 30 50 per page