0
votes
0answers
3 views

How ArcGIS calculate Live Traffic in network dataset?

I create a network analyst service in ArcGIS 10.2 with live traffic . the traffic classified to four classes ( stop and go , slow,moderate,free flow) . I know that when the service uses historical ...
0
votes
1answer
11 views

Exporting QGIS Raster/Vector layers into one PDF?

I have seen a similiar post to this a while back (Is it possible to export GeoPDF from QGIS?), and thought I would try asking it again to see if there has been any improvement or new knowledge on ...
0
votes
0answers
4 views

how to show wfs and wms sources in boundlessgeo gxp viewer

I'm using boundlessgeo gxp viewer. I have a lot of different wms and wfs link and want to show those remote sources in my map viewer application. I have a geoserver and basic layers in it. I can add ...
0
votes
1answer
19 views

Creating Dem from cross sections

I have a question I appreciate that if someone can help me I have a DEM in arcmap and cross section of a river which flows on the Dem in Hecras. I now the cross sections are more accurate. I want to ...
0
votes
1answer
14 views

Assignment of defaults to field not working

I am using ArcGIS 10.2.2 for Desktop. I have assigned default values to some fields in a feature class, which is sitting in a file geodatabase. I used the "Assign Default To Field Tool", which ...
0
votes
0answers
15 views

Ground Penetrating Radar (GPR) to ESRI raster format

can anyone recommend a software package to convert ground penetrating radar data (in .dzt format) into an ESRI raster format? - Preferably free software. I have come across ZondST2D, but as far as I ...
0
votes
0answers
13 views

Batch Process - How to merge images per day using gdal-merge and cmd(.bat file)

There are 4 to 5 projected images in one day. Let's say I have all the projected images for 3 days. For day 1, the file name are T2010232034000.L2.Tera.tif, T2010232035000.L2.Tera.tif, ...
3
votes
3answers
20 views

Find CRS (coordinate reference system) based on known location and coordinates?

Is there any tool or any tutorial which would help me to figure out CRS (coordinate reference system) from related information? In my particular case I know only the system is in meters, has origin ...
0
votes
0answers
11 views

Visualize overlapping line vertices in QGIS

I am trying to inspect the vertices of some linestrings in QGIS 2.4. My goal is to visualize every vertex of a line and easily find those that are duplicated. To clarify this, for an example line ...
0
votes
1answer
12 views

Watching folder for arrival of files to batch process?

Is there a way to maintain a watch on a folder to enable automatic file type conversion? I have a program that dumps DXF files - I batch convert all files to both shapefile and mapinfo format. It ...
1
vote
1answer
14 views

Setting ArcPy environment variables with Python multiprocessing?

I have a script which uses ArcPy + Python multiprocessing. Are ArcPy environment variables shared between separate Python processes? If I write to arcpy.env.extent from within each process am I ...
0
votes
0answers
10 views

Is there a way to automate field calculations for ArcGIS Server?

I have a field that I'd like to be concatenated with each new objectID when a feature is created in my feature service. Workflow: Feature added, already contains objectID. Would like my Service ...
2
votes
1answer
31 views

How to create the same number of points along multiple polylines?

Input: Polyline Shapefile (all lines are different lengths) and a specified number of points that will be placed on the line (will be same number of points for all lines) Desired Output: Point ...
1
vote
1answer
32 views

How do I merge DEM rasters correctly?

I've been struggling with this problem for awhile. Here is a curvature raster to illustrate the problem. I'm using 10m DEM rasters from the NRCS Data Gateway for a large portion of California. The ...
-1
votes
1answer
15 views

Publishing Geoprocessing Service to ArcGIS online?

I have set up a one Organization site in the ArcGIS.com, where I have published my data and also consumed data from ArcGIS Online. I have a workflow that creates a buffer from a point feature class, ...
4
votes
2answers
43 views

Need Help Converting Shapefile coordinates into lat/lon

I'm having a little trouble importing a shapefile into PostgreSQL. Using shp2pgsql, I'm able to import the non-geometry data just fine. However, the geometry data is coming in based on some ...
1
vote
1answer
21 views

What options are there for geolocation-aware SQL databses?

I need to implement an SQL database that can make queries using geo-location based logic. e.g. select rows within 500m of coordinate x, y What options are available to do this with sqlite, mySQL, ...
0
votes
0answers
15 views

Postgis - Split linestring between point A and B

I need to find the different trajectories between point A and B. In the image is possible to see 2 differents trajectories. The way i use to calculate them is: Found the min time and the max time (in ...
1
vote
0answers
17 views

Change sde connection parameters with ArcPy

I know you can create a database connection with Arcpy using the CreateDatabaseConnection_management function. I am wondering if anyone knows a way in which to change the parameters of that file. ...
2
votes
3answers
25 views

Calculate field using variables as fields

When I calculate a field like this: field_0="field_name0" arcpy.CalculateField_management("Layer", field_0, '!field_name1! / !field_name2!', "PYTHON_9.3") It works! The field "field_name0" in the ...
1
vote
0answers
5 views

QGIS: OSM Landscape layer not printed

I am new in GIS and I am trying to print a new map. If I use Google Street and web layer, it got printed without problem in the composer, but OSM Landscape does not appear on the printed document (it ...
2
votes
0answers
14 views

find inner bounds of a polygon in leaflet

How can I find the inner bounds of a polygon in leaflet? I a want to plot points randomly in polygoon but when I say Layer.getBounds() I get the bounds and I can still plot the markers ...
0
votes
0answers
11 views

ogr2ogr export to KML from SQLite, when using SELECT for fields Linestrings are lost

I'm using: ogr2ogr -sql "SELECT * FROM 'trails_utm_utf8' ORDER BY name ASC" -f KML trails.kml trails_utm_utf8.sqlite -s_srs EPSG:900913 -t_srs EPSG:4326 to reorder, re-project and export to KML ...
0
votes
1answer
28 views

Painfully slow performance with Join and Calculate Field

I have a point layer and a table with approximately 100 fields. I need to join the table to the point layer based on a key field and create a new shapefile / feature class. This script has been ...
1
vote
0answers
11 views

Does CartoDB automatically fill in Polygon data for city/state? How?

I'd like to upload a spreadsheet that has custom city/state information and have CartoDB automatically fill in the polygon data - is this possible? If so, how?
2
votes
2answers
28 views

Locate points that are within a certain distance of other points in QGIS

I need a way of locating all points in my dataset that are within a certain distance of any other point. For example, in the following data set in which EASTING AND NORTHING are British National Grid ...
0
votes
0answers
9 views

GeoServer GeoWebCache seeding dies prematurely

I am using GeoServer 2.6 Final War File in Tomcat. I am setting up GeoWebCache and I am attempting to seed a table from Oracle that has about 600,000 records. (I used the Oracle NG provider to ...
0
votes
0answers
7 views

Fitting Timeseries Values with a Gaussian Function

I'm trying to fit a stack of NDVI values to a Gaussian model to allow for determining dates of certain NDVI values using Python and NumPy/SciPy. I've attempted to do this with ...
1
vote
0answers
12 views

Appropriate reference system for small-scale mapping of the Middle East

I want to create a thematic map of the Middle East that displays certain historic places and regions on a small-scale map (between 1:6.000.0000 and 1:12.000.000). The map has to center the boundary ...
1
vote
0answers
17 views

Reprojecting and Clipping in one script using Python Subprocess module and GDAL

I am trying to reproject a .tif file then clip it to the boundaries of a shapefile using GDAL Warp. I want to do this in a single script, and have successfully used the Python subprocess module to ...
1
vote
0answers
13 views

label based on related features

Esri's telecom data model has 2 geometric networks, one for infrastructure (manholes and conduits) and one for fiber cables. fiber cables are easily related to a section of conduit based on existing ...
3
votes
3answers
44 views

Calculating Angles at which polylines meet point features using ArcGIS 10.1 or FME

I am attempting to update old sewer network data to a new format. Manholes features (points) are collected and pipes(line features) are given attributes in the manhole if they intersect. For ...
0
votes
0answers
19 views

Is it possible to read shapefile field aliases values using fiona?

I am using fiona to read a shapefile, but not sure about how to get field aliases. Is this possible using this great library?
2
votes
3answers
34 views

Change annotation symbol properties in bulk

How can a person change annotation properties in bulk? For example: take the 4500 records in "Waterbody text" annotation feature class and change all occurrences of "Times New Roman", "Cyan" to ...
3
votes
1answer
22 views

Apply ArcGIS Field Calculator on New Records

I'm using the Field Calculator in ArcMap 10.1 to populate a field with a string version of an existing integer field. This is working correctly on existing data. I am looking for a way to have ...
1
vote
1answer
29 views

How to add IDs of the links composing a polygon?

I build up a polygon layer from a road network for finding roundabouts using the compactness factor of a polygon. Then I have to intersect the extracted roundabout polygons with the road network so ...
2
votes
1answer
24 views

How to refresh display for newly added labels with ArcObjects

I've added a shapefile to an MXD and Edited the symbolization of it with ArcObjects. Now I'm trying to edit the labeling with ArcObjects. I've successfully been able to edit the default class in the ...
0
votes
0answers
8 views

ArcPad toolbar button for easy access

I am trying to re-create something like the quick capture tool set already provided on arcpad for arcpad so it will allow me to capture points on the field easier. I have it currently where a form ...
5
votes
1answer
51 views

ArcGIS Desktop Professional Certification - opinions now that it has been a around a few years [on hold]

When I first heard about the ArcGIS Desktop Professional Certification, I was interested in obtaining this. I took the practice exam but did not do too well since there were many questions pertaining ...
2
votes
0answers
23 views

Unable to rotate Marker Line Symbols

I have a line feature class that I am trying to symbolize with a Marker Line Symbol type. I have my symbology set up but I am having a problem with the rotation angle. When I enter an angle in the ...
2
votes
1answer
24 views

View with sequence in QGIS 2.4

In postgres, I created a view with a sequence nextval() to have an unique id (called vid). I tried to vizualise this view in QGIS but it failed. It seems that nexval() causes some issue according to a ...
2
votes
1answer
23 views

Loading .style file?

I have a file Trees.style that I'm trying to load into arcgis 10.0 I cant get it to recognize. Can somebody point me to detailed (read bonehead) loading directions?
2
votes
1answer
49 views

calling gdal_merge.py into another python script running GDAL processes

Good Afternoon All, I am wanting to use gdal_merge.py to merge a series of .tif files prior to clipping the merged file to a shapefile boundary, but want to do so as part of another larger script ...
1
vote
0answers
23 views

WMS or WFS for selecting features and show attributes?

I am beginner in MapServer and Openlayers. I want to be able to select features and show their attributes by user click. I don't need to edit any feature. I know this is possible with WFS, but ...
3
votes
2answers
35 views

Getting an error using ESRI's Javascript API

I am trying to display the query results of a button click on a map. I am getting the following error at this line: queryTask.execute(cntryq); of my script: TypeError {stack: "TypeError: ...
3
votes
1answer
42 views

Distincly color world map by language in QGIS 2.4

For a map of Wikipedia language prefixes, I need to color a map by a country's value in the 'language' column. I. e. all countries with the same language worldwide should share a color, which they ...
0
votes
1answer
11 views

OpenLayers - Click on a panel triggers a map click but it should not

I added a panel to a map that is contained inside an IFrame. Then I attach a click handler to the div of this panel with JQuery to toggle a control. However, I notice that a click on the panel also ...
2
votes
0answers
22 views

How to calculate surface out of GPS points in QGIS

I have uploaded several squares (which consist out of 4 GPS points, not connected). I need the total surface of the squares. Is there a simple way of doing this? Do I create polygons and than ...
1
vote
1answer
34 views

Are polygons stored clockwise or counterclockwise in a shapefile? [duplicate]

I'm working with polygon coordinates in QGIS using PyQGIS using ESRI shapefiles as input data. My question is, are the polygon vertices (I'm referring only to the outer boundary in the case of ...
0
votes
1answer
20 views

Load single image by map API and draw overlays

I have an image which I want to make it zoomable and dragable in browser, and draw some overlays like lines and markers on it. So I wonder if I can use the map api like Google map or openlayers to ...

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