0
votes
0answers
10 views

Plotting UTM WGS1987 GPS data through Google Earth?

I have a UTM WGS1987 GPS data. Kindly guide how to plot this data to Google Maps. Normally this option available on Google Earth, but it doesn't appear that much of quality for presentation purpose. ...
0
votes
0answers
6 views

converting coordinate/reference system on IDRISI Selva

i had converted my shp.coordinate/reference system from plane to UTM 48S in IDRISI Selva by change it directly at its layer properties. And after, theres message said that the changing is only for ...
3
votes
1answer
163 views

MXDs don't open by double-clicking outside ArcMap, but do open from within ArcMap?

If I try to open any MXD by double-clicking it from Windows Explorer or ArcCatalog, ArcMap fails to open. I can see in Task Manager that ArcGISFileHandler.exe briefly runs, then closes, but ...
1
vote
0answers
9 views

raster topo map with gaps to DEM

I'm trying to create a DEM from this raster map: https://copy.com/m6QtPNRC4iYjxiqi/swatch.png I managed to clean all the shapes and text. I tried to write a program which finds the curve pieces and ...
1
vote
1answer
56 views

How to delete a shapefile from a directory using QGIS?

I am using the following code to clip a shape file using processing tools via Python and would like to delete the clipped file from the directory. Here is my code. from PyQt4.QtCore import * from ...
0
votes
1answer
10 views

Change Header/Background Color For Attribute Popup Window (JavaScript Web AppBuilder)

After creating a web app and downloading it using the JavaScript Web AppBuilder for ArcGIS (Developer Edition), I was able to change the site header and widget popup color schemes via an existing ...
0
votes
0answers
7 views

What is the equivelent of Strategy.Refresh in openlayers 3

I would like to have a layer refresh itself from geojson every 10 seconds. Using OL2 I would have used strategy refresh, how this is done in OL 3 ?
0
votes
1answer
297 views

Free ServerContext has failed because the Wait Timeout Interval has elapsed

All, ESRI ArcGIS Server 10 SP4 logs below entry in log file. We have a single map service with 100+ layers which has Maximum time client can use a service is 600 seconds (10 min). I am really ...
1
vote
1answer
28 views

Attribute table not updating after QGIS field calculator used?

Using QGIS 2.8.1 i am trying to update an attribute table using the field calculator. its a vector layer of vegetation communities. i am trying to update the area fields in the table. The output ...
0
votes
0answers
5 views

GeoNetwork CSW Harvest Error - “gmd:MD_MetaData, csw: record” is not a valid value for QName

I"m trying to run a CSW Harvest in Geonetwork, But I get this error : "gmd:MD_MetaData, csw: record" is not a valid value for QName" I'm using Geonetwork 2.10.3 on Windows 7 64 bit and Geoserver ...
0
votes
1answer
287 views

How to make coordinates match between Google Maps and matplotlib.basemap

I'm trying to plot some data with matplotlib and basemap, but I have trouble making the coordinates match between Google Maps and basemap. For example, I click at a distinctive feature on the map in ...
32
votes
9answers
29k views

Why does GPS positioning require four satellites?

I have a question on the GPS positioning algorithm. In all books I've read for 3D positioning we need four satellites, and I don't understand why. We need to calculate three variables: x, y, z. We ...
2
votes
1answer
150 views

How do you create an ArcCatalog-friendly xml metadata file from a url metadata?

How do you take metadata information from a url like this and create an xml file that ArcCatalog's "import xml" metadata tool will accept? I have tried a few variations on pasting the url information ...
3
votes
1answer
44 views

Can multiprocessing with arcpy be run in a script tool?

I have been tinkering around with the multiprocessing module to resolve some processing of data in ArcMap 10.3. I have created a script which works fine if I run it in IDLE. I see all my cores max ...
2
votes
5answers
2k views

How to search feature in Qgis?

How is it possible to search feature on Qgis? I have lots of points with Id. Is is possible to search points using ID? Update: I'm looking for a solution that centers the map to that point.
0
votes
0answers
8 views

Error Executing Tool - Export Web Map

I am facing similar issue as given in Proxy error with ArcGIS PrintTask - AMD and unable to find any solution of same. I have published gp service in a way mentioned by john in same post i.e. I have ...
2
votes
3answers
1k views

OpenLayers.Format.GeoJSON throws an exception “SyntaxError: JSON.parse: unexpected character” for valid JSON

In my GeoExt client, I have the following line that retrieves JSON data from a web service into a FeatureStore: var store = new GeoExt.data.FeatureStore({ layer: route_layer, fields: ...
0
votes
0answers
32 views

Which direction does the sun rise at the south pole? [on hold]

I am not positive this is the correct StackExchange for this question. I would like to know which direction the sun rises, specifically which direction it sets, at the south pole and at different ...
0
votes
0answers
12 views

Assign Nodes ID to Polylines in QGIS

I want to consolidate data from various layers into a single layer so I can export it for use in an external software program. I am interested in how to selectively combine data from different ...
1
vote
1answer
282 views

Downloading the distribute_setup.py

I need to download distribute_setup.py from the following website and the website seems to be broken, has anyone got an idea where else I can download this from? ...
0
votes
1answer
22 views

QGIS - save vector poly layer into individual shp files?

Using QGIS v2.8.1, I have a directory of GeoTiff images. Using the raster ‘Tile Index’ plug-in (selecting “location” as the file index), I am able to create perfectly matched vector polys that I can ...
0
votes
0answers
14 views

Georeferencer does not open when clicked

Since a week my raster georeferencer is not opening when I click it. I have made sure it is checked in the plugins collection and have tried re-installing the newest version of QGIS, yet also in this ...
1
vote
0answers
22 views

ArcGIS Split Raster tool results in black rasters

I have a rather large raster that I am trying to split into small tiles in PNG format to upload to Autodesk Infrastructure. I came across the Split Raster tool and thought it would do exactly what I ...
2
votes
3answers
245 views

Reclassify many rasters in ModelBuilder

How do I reclassify many rasters in ModelBuilder when each raster has its own unique values? For example, when you create a model in ModelBuilder and you add the Reclassify tool you may want to ...
0
votes
1answer
208 views

How do I change graduated color class values with python?

I am trying to use python to adjust my graduated color symbols' class breaks and labels. The layer is a query layer tied to an SQL DB and I want to be able to execute my python (after the database has ...
16
votes
5answers
7k views

How to cluster spatial data in R?

I am very new to R, so please bear with me : > I have bunch of data points with latitude and longitude. I want to use R to cluster them based on their distance. I have already taken a look at this ...
1
vote
1answer
668 views

arcpy.mapping Graduated Colors Symbology

I'm trying to figure out how to apply graduated color symbology to a feature class by using arcpy.mapping in ArcMap 10.1. To start, a script runs and a feature class is added to a map document, no ...
-3
votes
1answer
45 views

Creating a desktop GIS with arcpy analysis [on hold]

What is the problem with this code? I want to make a desktop GIS with this code in ArcPy. Can anyone help me?
1
vote
2answers
46 views

Automation of changing symbology for a given layer

I have a shape file that is a 10-by-10 grid of squares. The shape file has 50 attribute columns (named p_1 through p_50) where each column has 100 entries (corresponding to the 100 grid squares) and ...
1
vote
1answer
43 views

When using Data Driven Pages is it possible to tell if a feature is contained within the layout?

I'm using polygons to drive my DataDriven Pages in ArcMap Standard 10.2. I have a point feature that shares a common attribute with the driver polygon, and using the Page Definition, I am showing ...
5
votes
1answer
337 views

data driven pages format

I have an issue, but I don't even know the terms needed to search for an answer. I'm exporting the pages to png files. The pages are divided by lots. Each page has a label with the lot number. In ...
0
votes
1answer
122 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 ...
0
votes
0answers
63 views

Why does my phone's GPS suffer from “urban canyon” problems in Beijing but not New York?

In a separate question on Travel.SE I asked why my phone's GPS didn't seem to work in Beijing, China. Turns out that it was simply an "urban canyon" problem, and that the GPS did in fact work when I ...
1
vote
1answer
24 views

Rename layers with script

Just discovered Qgis and really impressed! I've not formal GIS training so rely on Google to figure stuff out. I'm using the SHP files made available by the Canadian Government as part of their ...
0
votes
1answer
193 views

How do i integrate Clustering into my Google Map?

How do i integrate clustering for my google map? I have found a few codes but i'm not sure how to combine both so that it won't mess up the whole site. This is my current code: <script ...
0
votes
1answer
27 views

Kriging Interpolation

I am using the kriging interpolation tool. I included two dummy values within my dataset:- an upper limit and a lower limit. I ran the tool in arc map 10.1 software. However, I want to change the ...
0
votes
1answer
21 views

Moving buildings in water layer into Buildings layer using MapInfo?

I am using MapInfo. I mistakenly vectorised some building on my water layer, is there any way I can fix this by moving the buildings in the water layer into the Buildings layer? It was so tedious ...
0
votes
2answers
136 views

How to add multiple feature classes from TOC as input by Model Builder?

I am tasked to create a tool using Model Builder. The tool requires input of multiple feature classes that are added in the Table of Contents of ArcMap. The user will then be able to select multiple ...
0
votes
1answer
15 views

automatically generate useful scales for data driven pages in ArcGIS desktop and store it in attribute table of shape file

I have followed the advice on the post How to automatically generate useful scales for data driven pages in ArcGIS desktop. I followed the advice, but when the process executes it was only the last ...
1
vote
1answer
489 views

Using kriging with data in GDB

I have series of data in my GDB I am running the program under VBA and what I want to do is using the data by the tool Kriging. This is what I thought: First, Kriging needs data that must be a ...
0
votes
1answer
265 views

Orthographic reprojection with mapnik

I am trying to create a google earth like wep application. My problem is that I can't get to render a full view of the earth. The zoom_all() function generates the following error : RuntimeError: ...
10
votes
2answers
5k views

Creating line of varying distance from origin point using Python in ArcGIS Desktop?

I'm trying to create a line feature from a single point, using a set distance and angle. Using ArcGIS and Python (I hope). I have a point at these coordinates: X = 400460.99, Y = 135836.76 From ...
11
votes
2answers
10k views

Merging polygons in shapefile based on field values?

I have a shapefile with a lot of polygons in it. These polygons are grouped into a category: district. How can I merge the polygons based on the same name of the category within this shapefile?
0
votes
2answers
568 views

Spatially join polygons (target) to polylines (join) on longest intersecting polyline

I am curious if I can, without having to write a python or an ArcObjects script, create a spatial join that will result in a polygon feature class containing the attributes of the LONGEST intersecting ...
0
votes
2answers
1k views

ArcGis Python Script, Calculate Field

Sorry for my English. I am trying to write a Python Script for ArcGis 10.2. #import system modules import arcpy import math from arcpy import env #Set environment options ...
0
votes
2answers
63 views

Is there a function like XY-to-Line that calculates distance along a network for many XY pairs?

So: I have a set of XY origins and a set of destinations. I know that XY to Line will give me the Euclidian distance between a given set of origins and destinations, and that an ODS cost matrix can ...
2
votes
0answers
19 views

developing a Talking Map

I need to develop a prototype of a web application that speaks : When you click on a city (point) it says the city name (Audio files are ready) I want to use ArcGIS Javascript API. do you have any ...
6
votes
1answer
1k views

Cheapest centimeter accurate satellite positioning (GNSS/GPS)

I am looking for a cheapest possible GNSS/GPS setup with a centimeter precision without much HW hacking. I am not able to produce my PCB or do any soldering (though I would do that if there is no ...
0
votes
0answers
30 views

Make PostGIS points from Ajax data in a php file

I have an AJAX a string which has lat-long parameters in a request. I try to make point in an SQL query but I get this error 37.15452626 ERROR; parse error- invalid geometry HINT: ...
3
votes
1answer
175 views

No placement inside feature dataset using arcpy XYtoLine?

When I run the following code with the outFC creation path set to a feature dataset inside a file geodatabase... arcpy.XYToLine_management(tempFC, outFC, "POINT_X", "POINT_Y", "NEAR_X", "NEAR_Y", ...

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