1
vote
1answer
46 views

How to compute a line intersection point in a street layer in postgis 1.4?

I have a street layer downloaded from osm. I need to calculated intersection point as we do in qgis from vector menu -> Analysis tool -> Line intersections. I am new to postgis/postgres. any how i ...
1
vote
1answer
17 views

Creating map documents based on similar feature class selection

I wondering if something like this is possible. I would like to create a PDF output using a pre-established map template. The tricky part is I want to create maps in batch by adding (what will usually ...
1
vote
0answers
15 views

How to read .adf (TIN) map files?

I have a set of maps in few formats : TIN ├── [4.0K] info │   └── [2.6K] arc.dir ├── [ 708] log ├── [374K] M-33-45-D-d-4.asc └── [4.0K] m-33-45-d-d-4tin ├── [ 96] tdenv.adf ├── ...
1
vote
0answers
14 views

Agent Analyst doesn't work with ArcGIS 10.2

I have installed the agent analyst extension for my ArcGis 10.2. I am also following ESRI tutorial (http://resources.arcgis.com/en/help/agent-analyst/). Every model which requires updateDisplay or ...
1
vote
3answers
46 views

Ontario Topographic and Property Data

Looking for Ontario topographic data and property line data; willing to purchase the latter. Shapefiles or file geodatabase files would be optimal. In terms of topographic data, I am looking for: ...
1
vote
0answers
6 views

How to calculate pixel per meter ration according to zoomlevel in google map(bing map)?

I am new here. I need some help. Right now, I got an image and detect two points in the image. I want to calculate the distance between these two points. I got: 1 . x,y pixel value for both two ...
1
vote
1answer
27 views

RESTful Geoprocessing Service Request returns empty Result object without errors

This is a bit difficult for anyone here to test as our ArcGIS Server 10.2 instance is behind a firewall. I'll try to present all the necessary information, but feel free to ask for more and I'll ...
1
vote
2answers
84 views

Merging shapefiles

I have a query regarding the merging of shapefiles. I have 7 different landuse shapefiles which together covers all my study area. Now, inside my study area, there are 70 different priority areas for ...
1
vote
1answer
29 views

*Value relation* widget in QGIS

I cannot understand what the Value Relation widget of the Fields menu in QGIS actually does. For example: I have a point layer with some columns (ID, value1...) and a table (so just a dbf file) with ...
1
vote
0answers
14 views

How to create feature type from xml attribute value?

Here is a sample from an xml child element: <element> <aspects> <a id="1" l="de" v="Grundlose Kuhle"/> <a id="2" p="6" code="7"/> <a id="3" p="12" code="6"/> <a ...
1
vote
0answers
25 views

Leaflet + GeoServer + British National Grid

I have followed along some examples and was able to display BNG 27700 data nicely on the map, however now I want to perform getFeatureInfo function on click. Again the code I used is as below: var ...
0
votes
0answers
10 views

Problem with Geoserver's start process [duplicate]

I am experiencing some trouble with starting Geoserver process. The bat start file runs but the process freezes at some point when calling the org.mortbay.start.main function... It seems it cannot get ...
0
votes
1answer
36 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
41 views

How to merge two different dem rasters to a one dem raster? [on hold]

I have two dem raster files (.tif and .asc). The other one (.asc file) is bathymetry data with zero values at land and from -0.08 to -44.5 in the water areas. The other is topography dem raster (.tif ...
1
vote
2answers
26 views

Baselayer disappears when I draw a layer

I have 3 layers, the base layer and two wms layers. When I load the map, one of them always shows up even when I put visibility:false. And when it shows up, the base layer disappears. What can I do? ...
0
votes
0answers
16 views

Creating hierarchy of Feature Elements in MapForce

I use FME to translate SQLServer tables into gml document. In FME, I make one-one connections (every feature type produces new feature type in output). This document is not 'structured' as I want. ...
0
votes
0answers
16 views

Where is user from 'manage.py migrate' stored?

I'm following Geodjango setup as described here: https://docs.djangoproject.com/en/dev/ref/contrib/gis/tutorial/#introduction When accessed localhost/admin/ to get to admin page, I get username\pass ...
0
votes
0answers
28 views

How to create dynamic legend for multiply layers with leaflet.js?

I want to create multiple choropleth maps which displays different statistical data with leaflet.js. So it would be nice to show different legends for each map. I create such legends for two layers ...
0
votes
0answers
11 views

Geoserver's start process freezes

I am experiencing some trouble with starting Geoserver process. The bat start file runs but the process freezes at some point when calling the org.mortbay.start.main function... It seems it cannot get ...
1
vote
0answers
17 views

Serving data based on tiles

I am new to mapping and displaying data on maps. I was trying to display markers on a map where each marker represents a point of interest on my map. Using leaflet it is quite straight forward to add ...
2
votes
1answer
113 views

How to find the projection of an image?

Instead of georeferencing the image and deforming it, I'm trying to find the projection used by the author of the image. I've got tens of these distribution maps to digitize. The idea is to avoid ...
0
votes
2answers
49 views

Field calculator fails when computing First X coordinate in ArcGIS10

I have this line in python to compute First X coordinates into the Field Calculator from each polyline: !Shape!.firstPoint.X Then, when I inspected the attributes I see this rare thing: You may ...
0
votes
0answers
10 views

Help with Turn-feature-class

I aleady have a street network dataset. I have create a turn-feature-class in a feature dataset. I want to add the turn-feature-class to the network dataset. How do I do that in ArcCatalog? Many ...
0
votes
1answer
25 views

Draw Complex shapes

Is it possible to draw complex shapes (polygons) like below image, combining lines and arcs. It is more like a Land Survey plan. So I have coordinates of each point and in case of arc - Radius, Chord, ...
0
votes
0answers
10 views

Can QGIS open a SDF file created by HEC RAS?

I used the "export GIS data" option in HEC RAS and got a SDF file. Is it possible to open it in QGIS?
1
vote
2answers
28 views

Debugging SQL in arcpy.da.SearchCursor RuntimeError: An invalid SQL statement was used?

I am going through a python script in arcpy 10.1 to Select a field value (i.e. NEAR_DIST) based on three condition as 1) NEAR_DIST<=radius(i.e.500 or anything from user input) 2) ...
0
votes
1answer
19 views

OpenLayers: draw path with only two points

I want to draw a path with no more then 2 points. On the second point I want the path to be finished. I'm using the OpenLayers DrawFeature, I set a callbacks for "point" where I count the created ...
0
votes
1answer
28 views

Does gdal_calc.py not calculate arithmetic with in the same file?

I have one GeoTIFF file with 2 bands. The data type is Byte. I want to calculate (Band2-Band1)/(Band2+Band1). But the following command provided a dark image: gdal_calc.py -A infile --A_band 1 -B ...
1
vote
1answer
38 views

vb.net ArcObjects is there a function the same as “Select Features by Polygon” of ArcMap's tool

I want to know whether there is a function provided by ArcObjects (vb.net) to realize the "Select Features by Polygon" on ArcMap (shown below). I am using VS 2012 (vb.net) and ArcObjects 10.2.2, ...
2
votes
1answer
28 views

Is automatic text wrapping in an ArcMap layout text element possible?

How can I word-wrap a text element on an ArcMap layout, when it contains a lot of text? go into Layout mode choose > Insert > Text paste in a long text block eg lorem ipsum The text block now ...
1
vote
1answer
33 views

Get lat/lon in degrees using PostGIS

I downloaded the shape file https://dati.comune.milano.it/media/rdp/comunemilano/dati/MM_FERMATE.7z, it represents the Milan's subway stations. I used ogrinfo to output the shapefile's summary and ...
1
vote
1answer
57 views

Calculating travel time from residential points to stores via public transit using ArcGIS for Desktop?

I don't know how to summarize it in just one title, but here is the problem: My goal is to calculate the travel time from residential points to stores via public transit. Basically this period of ...
0
votes
0answers
26 views

Dynamically created toolbar doesnt show in Toolbar in ArcMap

I am trying to troubleshoot an application that allows creation of a tool bar based on a config file, which contains information about the tool bar like Name, ProgId, ESRIType, CLSID, Tooltip etc. ...
1
vote
1answer
28 views

Determining projection of Texas county shapefile?

I have a Shapefile of San Jacinto County in Texas. It thinks it is NAD83 UTM Zone 15N, but the dataset isn't jiving with any other dataset. Max X: 1,073,721 Max Y: 11,223,970 Min X: 895,728 ...
2
votes
1answer
36 views

How to install LAS tools in Processing for QGIS 2.4?

Does anyone know were the processing menu moved in QGIS 2.4? Specifically I am trying to install the Lastools box for QGIS following these instructions. ...
2
votes
2answers
35 views

Creating ArcGIS color ramp to show from -X to 0 to X as Red to White to Green?

How do I get a color ramp in ArcGIS to show from -X to 0 to X, as Red to White to Green? Whenever I try, ArcGIS scales the colors from min to max, without regard to 0. White ends up representing a ...
0
votes
1answer
47 views

Creating a new shapefile based on an existing problematic shapefile

I have a large floodplain shapefile and would like to create a new shapefile based on coverage. I'm having major problems with the original (intersections and other errors) which I've been unable to ...
1
vote
0answers
27 views

ArcFM Electrical - Transformer Annotations Location Removed on Field Calculate

I am working with ArcFM and I have done a mass update to a textfield that was being used for the kVA field in the Transformers Table. The annotation script itself was looking for a text string that ...
1
vote
1answer
35 views

Buying location data of Restaurants with Cuisine information?

I'm looking to buy restaurants data + get weekly updates of it so I keep updated. I've looked at several questions, (mysql database of bars, pubs and restaurants in the united states and maybe canada; ...
0
votes
0answers
27 views

Read large raster into lat/lon value pair to csv file using python and/or gdal?

I have rasters for all of the states in US and they are in 10m resolution. So they can be very large, containing a large number of pixels if you think of TX or AK. I want to create a csv file with ...
0
votes
0answers
15 views

QGIS DEM Output cell size does not match DEM input cell size

As my first post I offer a humble apology if this is such a basic question as to make any of you cringe. I feel like I have exhausted my search skills and read through the QGIS documentation ...
0
votes
1answer
21 views

Date field formatting as number in ESRI popup window

We are using the Park and Recreation Locator from ArcGIS for State Government and trying to put a date field into the popup info window. The field is pulling the correct data, but it's formatting it ...
0
votes
1answer
13 views

Pgrouting install debian 7.5 whezy

I need to install pgRouting on a Debian 7.5 64-bit server. I have PostgreSQL 9.1 and PostGIS 1.5 running. But somehow I can not install pgRouting. 1 - To use add-apt-repository ran the command: ...
1
vote
1answer
19 views

Populate geoext2 gridpanel from openlayer vector features

I need to populate a extjs datagrid with a openlayers features. The official example http://geoext.github.io/geoext2/examples/grid/feature-grid.html doesn't help me, beacuse the data is loaded from a ...
1
vote
0answers
18 views

Query DEM Elevation at Point in QGIS

I'd like to be able to pull up a DEM (or create a mosaic of them) and simply query the elevation at points I click. Is this possible using QGIS?
1
vote
0answers
14 views

Question about projected coordinate systems 30m DEM for Contiguous US

What is the best Projected Coordinate System (PCS) for the contiguous US (whole, not parts) if I want to maintain distance and area accuracy as much as possible across a nationwide DEM dataset? I'm ...
2
votes
3answers
37 views

Use GDAL command line to copy projections

I have two images, a georeferenced Tiff and a second Tiff without a reference. The second image is a copy of the first, but it lost its reference. Now, I want to copy the reference from the first Tiff ...
2
votes
3answers
178 views

How can I work with very large shapefiles (~1 GB) in QGIS?

I'm performing some basic spatial analyses on a large database of traffic injuries in California between 2003 - 2011. Because the dataset is large (nearly 1 GB of points), I'd like to first cut it ...
1
vote
0answers
19 views

ArcGIS Server Manager (10.2.2) - permissions applied to folder not “sticking”

I was able to do this before updating to 10.2.2, because I have several other folders with specific permissions applied via local role store. User store is Active Directory. Data store is flat files ...
1
vote
1answer
54 views

Getting a list of zip codes with its adjacent zip codes

I need a list in the form of adjacency list that contains all zip codes in the United States that each has a list of adjacent zip codes. I tried searching for it on the internet. Many of them only ...

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