0
votes
1answer
22 views

How to get wms layer's extent OpenLayers3?

Here is my a part of code , var wms = new ol.layer.Tile({ source: new ol.source.TileWMS({ url: 'localhost:8080/geoserver/BEIS_WS/wms', params: { ...
9
votes
2answers
976 views

Why does one part of GML -> KML conversion not work on Google Maps?

Brand new to all of this, not even sure this is the right forum to ask in... I have a client who wants to visualise cancer incidence and mortality rates by local/unitary authority across Great ...
0
votes
2answers
733 views

How to create styled markers with custom marker tooltip

How to create custom markers and when mouseover on marker i need a tooltip can any one suggest me how to do these type of markers...i need markers like below image Thanks in advance
1
vote
1answer
125 views

How to add multiple cartodb layers in viz.json to a leaflet layer control

I have create a visualisation in cartodb with 4 layers. The resulting viz.json is added to a leaflet map as follows: cartodb.createLayer(cartomap, [url], {https:true}) ...
0
votes
0answers
20 views

Navbar on ArcGIS JS API causing locator to behave buggy

I have added a nav bar with combo boxes to extend an ArcGIS JS API application further. When a location is selected on the map the point does not appear and I receive this error. Failed to get text ...
1
vote
2answers
24 views

What kind of coordinate uses this WMS? Also how to convert to lat/lon

On this map http://infomapa.rosario.gov.ar/emapa/mapa.htm which I believe is MapServer, I get some coordinates after inspecting with Chrome like this: "geoJson" : ...
0
votes
0answers
14 views

Writing shapefile with projection defined crashes Fiona part two

I have the same problem as this post. Writing shapefile with projection defined crashes fiona It says that was an issue with GDAL. I cleaned my site-packages of anything GDAL, fiona, six related. ...
1
vote
1answer
16 views

How to join the shape to an external data

I'm developing an application that uses Shapes only to draw the map. I would like to "Inject" the data at the time of viewing, since my data is dynamically changing. Anyone know of any way of doing ...
0
votes
0answers
6 views

How to export (only) final iteration from modelbuilder?

I'm using an iterator in Model Builder (1) to merge files, using a feedback loop (2). The output file is named "Output_%n%.txt", (3), so each file is unique. Now, I'm merging a fair number of files, ...
1
vote
1answer
17 views

IdentifyTask for “hollow” polygon (using ArcGIS API for JavaScript)

I have a web map application set up that's currently testing on a variety of Dynamic Map Service layer types, including points, lines, and polygons. This application includes a tool that makes use of ...
0
votes
1answer
24 views

Convert python from arcpy.da.SearchCursor to work in 10.0

I am using code such as for row in arcpy.da.SearchCursor(polyFC, ["SHAPE@"], spatial_reference=SR): # create inner buffer polyBuff = row[0].buffer(buffNum * -1) # create hull rectangle to ...
2
votes
2answers
34 views

Finding a point inside a polygon based on maximum value of a specific field

I have a Polygon Shapefile that represents US counties and a Point Shapefile that represents hospitals. The hospital attributes table includes fields like "Number of Beds", "Number of Patients" and ...
0
votes
0answers
19 views

RMSE value in rectification [on hold]

Landsat satellite image having 3 RMSE would be conSider better than RMSE value 2 for IKONOS satellite image rectification ? means which one is better rectified with these RMSE value IKONOS or ...
1
vote
0answers
33 views

How to Make an Outside Buffer in QGIS?

I have a layer of street segments that are within a given distance of a fire station. Now I want to make a border around these street segments. If I use Buffer, it puts a buffer around each segment. ...
1
vote
0answers
27 views

Discover multipart features in a layer in QGIS

I am trying to identify multipart features using QGIS version is 1.8.0. I've tried: look at the attributes table select a random feature and check in the canvas if there are multiple geometries ...
2
votes
1answer
30 views

Does ArcGIS Pro join to excel worksheets like ArcMap does?

I love the idea of ArcGIS Pro, especially for non-GIS analysts to get one-off maps done easily and quickly. The big question is: Does ArcGIS Pro join to excel worksheets like ArcMap does?
3
votes
2answers
3k views

How can I download a feature class from an ArcGIS Online web map?

I'm new to ArcGIS Online (or ArcGIS.com as they're calling it now), and I'm confused as to how data is organized, and how it is accessible. I created a new map, chose Add -> Create Editable Layer, and ...
1
vote
0answers
10 views

Enable/Disable Parameters based on Boolean

I'm working in model builder and I have a boolean parameter that determines which of two processes run. Right now, all of the parameters for both processes show up when I run the model. Is there a ...
2
votes
2answers
53 views

How to fill gaps in a multipart polyline

I want a function that can fill small gaps between parts of a multipart polyline. The polylines represent events on roads and are linear, not branched. The parts may be separated by small or large ...
7
votes
3answers
5k views

How to export multiple featureclasses to shapefiles?

I have plenty features in a geodatabase. I need to save/export them into shapefiles, because my mate works with Manifold, which is not able to read geodatabases. Any Ideas? Click on every single layer ...
0
votes
2answers
120 views

Programmatically Downloading Landsat Images

There was a very similar question to this one here , but it specified Landsat 8 images; I'd just like to be able to download ANY landsat images, given latitude and longitudes as inputs. Just wanted ...
1
vote
1answer
54 views

How to add Mapserver WMS to Openlayers 3

I have a WMS server on localhost (using MapServer and Apache and Windows). I want to add my WMS to Openlayers. but any example that i found use openlayers 2. How to add MapServer's WMS to OpenLayers ...
3
votes
2answers
2k views

How to subtract Geometry Point Polygons in OpenLayers?

I have two json arrays, one for background polygon and one for other polygon. And from them, I got two polygon layers. backgroundLayer = new OpenLayers.Layer.Vector("Background Layer", {styleMap: ...
1
vote
2answers
36 views

How to use an IF THEN statement in an sql Select expression?

I need to select the top 3 records from a table, but depending on an inline variable from an iteration, occasionally one of those top 3 records should not be selected and should be replaced by the top ...
0
votes
2answers
28 views

Export selected fields in ArcGIS to Excel using Python

I'm am creating a script that will allow a user to add XY coordinates to a point layer, then export (along with any addition user selected fields) to Excel. I am getting stuck on the iteration of the ...
1
vote
0answers
14 views

How to use Attribute Assistant in Canadian Municipal Data Model

Currently trying to use the attribute assistant that you download as part of the CMDM. I have the tables in my new geodatabase, but when I try to edit them I get an error about the Global ID, which ...
1
vote
0answers
14 views

customize the silverlight esri feature data grid form template?

I would like to add drop down box and multi-column text box to the feature data form which pops up when i click on the feature data grid. Instead of the regular text box i would like to replace some ...
1
vote
0answers
9 views

Animation in CartoDB

How do I prevent my animated in CartoDB map from starting over (looping)? I would like it to animate and end on the latest date.
4
votes
4answers
225 views

What are good colour schemes for large density flow maps?

I came across nice QGIS tutorial for mapping flows. In contrast to Alasdair, I have zero talent in colour choice. Can anybody recommend some good starting points for nice colour schemes (I'd be ...
1
vote
2answers
27 views

Edit multiple vertices of different features simultaneously

I am using ArcGIS 10.2.2 and would like to edit multiple vertices of different features simultaneously. For example, I have a man hole with three laterals - is it possible to select all four features ...
3
votes
1answer
20 views

Curvature computation for different scales

I would like to assess terrain curvature, i.e. the 2nd derivative of a DEM, on different scales. The most common approach to curvature seems to be the one suggested by Zevenberg (1987) where a ...
2
votes
0answers
46 views

How do I match two point layers (with different gridding) to a common grid?

Here's the problem I'm struggling with: I have two different point layers, where points represent centroids of areas covering a stream segment. One layer (lets call it layer A) is coarser, with fewer ...
1
vote
0answers
33 views

Iterating between two layers using QGIS python

I will try and explain my situation as clearly as possible. I just created my first plugin that is being used to analyze between various layers and give back quantities to the user. Most of it is ...
1
vote
0answers
11 views

Get pixel values ascii 50 files

I´m working with photos from a cam. The cam is arranged to take ndvi values instead of RGB for each pixel. I have several folders with 50 pictures in each folder as '*.asc' files the pictures. I am ...
0
votes
1answer
8 views

OpenLayers: programmatically fire ModifyFeature event

Does anyone know how to programmatically simulate a vector feature click that puts this feature from normal mode: to modifyfeature mode: I only have one feature inside the vectors layers and i ...
1
vote
1answer
142 views

QGIS Python Labelling

i want to label a point layer with those values exceeding a set of variables attribute table as follows 'loc field'(text),'a'(float),'b'(float),'c'(float) variables as follows vara = 5, varb = 3, ...
3
votes
1answer
37 views

Need advice for localized survey base point

I have a set of 4 control points used for H and V localization. There is a base point located far to the SW of the property. I did not create this myself, but took it off of an existing Pocket 3-D ...
8
votes
8answers
17k views

Full list of ISO ALPHA-2 and ISO ALPHA-3 country codes

I'm searching for a full list of countries with their country codes. Like on this page (need full and valid): http://www.nationsonline.org/oneworld/country_code_list.htm Thanks.
1
vote
2answers
28 views

Access to ITableFields interface from an ITable or IObjectClass interface

I am working in a File Geo Database and need to set certain columns to be readonly from an ArcMap user perspective only. I am aware of the IFieldEdit.Editable property, however that locks it down ...
2
votes
1answer
20 views

Manual (or examples) of r.ros, r.spreadpath and r.spread in GRASS

you can report me references or applications for use of the following modules (GRASS): - r.ros, - r.spreadpath, - r.spread. Thanks so much.
0
votes
1answer
30 views

How to query all layers in ArcMap and get access to them by name or index?

I have next issue: I have ArcMap with tons of layers. Some of these layers may contain another layers with data (aka Composite layers) or they don't. The depth of composite layers in unknown. I need ...
0
votes
2answers
44 views

NDVI derived from Landsat band 3 and band 4 using QGIS raster calculator shows the different range when opening in the ArcGIS

I have calculated Normalized difference vegetation indices from landsat 5 band 3 and band 4 that have 0-0.38 minimum and maximum ranges respectively. But whenever I open the same NDVI.tiff file in ...
1
vote
1answer
130 views

Select polygons by attribute belonging to another layer

I'm a recent QGIS user. I have a shapefile A with a series of polygons indicating land use of an urban region (urbanised areas). Now I want to select them in relation to a second shapefile B with the ...
1
vote
1answer
16 views

Gdalwarp with “out of globe” values in sinusoidal projection

I want to project a global image (source ERA INTERIM) from WGS 84 to sinusoidal, using gdal 1.11 and bilinear resampling. It work fine BUT I have values everywhere on the rectangular extent of the ...
2
votes
2answers
109 views

How can you alter label styles (font, color, size, etc.) using Python scripting? (ArcGIS 10.2)

I am trying to write a python macro that will automate the process of labeling points in a layer based on different types of apartments. For example, one style of apartments would have a blue square ...
2
votes
3answers
77 views

Change symbol size in legend for FeatureLayer (ArcGIS API for JavaScript)

I'm learning how to create web applications using the ArcGIS API for JavaScript. I have a map that is displaying both an ArcGISDynamicMapServiceLayer (which includes two layers) and a FeatureLayer. I ...
1
vote
1answer
222 views

How to set min and max value for stretchType: esriRasterStretch_PercentMinimumMaximum

How can I set the min and max values for the stretch type "Percent Clip" in arcobjects? It's possible to set the Stretch type: rasterStretch.StretchType = ...
0
votes
0answers
11 views

Restart plugin from PyQGIS

I'm writing a plugin for QGIS and inside the method def run(self), after the OK button of the plugin is clicked, i.e., inside # Run the dialog event loop result = self.dlg.exec_() # See if OK was ...
1
vote
0answers
6 views

Photogrametry using e-Foto (Stereo Plotter, Stereo Imagery)

I'm learning Photogrametry with Stereo-view using e-Foto (http://www.efoto.eng.uerj.br/en). At the end, I want to know how to do Photogrametry via Stereogrametry. I could replicate successfully ...
1
vote
1answer
95 views

Plotting Multiple Points on Google Map using VB.net

I am creating a database application using VB.net and MSSQL 2012. I have retrieved a list of customer from the database and want to plot them on google map. At it stands, I can only plot the first ...

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