All Questions

4
votes
1answer
27 views

How to build cylinder or cube multipatch objects in ArcGIS?

I'm trying to visualise a series of boreholes, which consist of points on the ground surface, and soil sample values taken at 0.01m depth intervals (in a related table). eg in this screenshot, I've ...
0
votes
1answer
8 views

return state of point from postgis / mapnik pgsql db

I realize that I can confirm whether or not a point lies within a state like this: SELECT ST_Contains(poly,pt) As testr FROM ( SELECT ...
1
vote
1answer
16 views

Tree symbol style set?

I am looking for a set of 2d tree symbols style for a landscape plan. I got an old one trees.avi that I can't import to 10.0. Can anybody link me to one?
2
votes
0answers
13 views

When we create a CartoDB table using SQL, is there a way to register it with the tables dashboard?

I have been able to create tables that conform to the CartoDB style by the following method: Create empty table [table name], no columns via SQL API SELECT CDB_Cartodbyfy([table name]) via SQL API ...
3
votes
0answers
12 views

MapServer - Os Open Data - Tutorial

I have recently received my OS OpenData discs from Ordnance Survey, and for the last two evening tried to get this data into MapServer for ultimate use as a WMS for OpenLayers. Safe to say I have ...
3
votes
1answer
25 views

How to add link in ArcGIS Online web map popup to google or bing driving directions?

I have an ArcGIS webmap with school boundaries. I would like to provide a link in the pop up that takes a public user to a free routing website like Bing or Google with the directions to their ...
1
vote
1answer
39 views

Sort colors from light red to dark red

I have the following png image displaying tanker traffic density: The colors are from dark red to light red, dark red means 'lowest density' and light red means 'highest density'. For example, the ...
0
votes
2answers
19 views

rbind of list of selected point txt files

I have lot of Point files in a folder. I would like to rbind (Vertically One after another in a single txt file) as per the list of selected point file from all the point files present in the folder. ...
0
votes
1answer
20 views

Prefer Straight Routes for wayfinding?

Is there a way to prefer straight roads in network analyst rather than going through zigzag routes (i.e creating straight forward routing instead of really going through the shortest path)? I am ...
0
votes
0answers
40 views

Why can't I permanently remove this vertex?

I'm correcting some data in ArcMap for import into another software. The export utility isn't liking some of the data, and the only difference I've noticed is extra vertices in the polylines. The data ...
1
vote
0answers
8 views

how to make mapnik style raster, not just render as solid color

I have set up Mapnik with mod_tile and renderd. I replaced the default osm.xml file with my own xml file, which is shown below. My problem is that all images are being created as solid blue tiles as ...
0
votes
1answer
16 views

Non Matching Rows

I need to compare 2 CSV files so that I can get the missing rows from each CSV. So I have 2 txt files and I would like to compare one with another and Vice versa. Please find the attached txt files. ...
0
votes
0answers
16 views

Breakline Format

Breakline Input File, Breakline Output file I get a breakline file from a CAD guy in below mentioned format. So I am calling this as a “Input” file. I am calling this as a “Output” file. I would ...
0
votes
1answer
10 views

GeoEvent Processor for Server Service Stopping

I have recently began using the GeoEvent Processor for server, It will run for one minute and then stop. I can't really intepret the logs to see what the problem is, and I am hoping a better eye than ...
1
vote
1answer
51 views

ArcPy SearchCursor getValue leads to NoneType object has no attribute lstrip?

I am having a little bit of a dilemma. I am having a problem with using getValue() and striping the value that is returned. For instance, take the following code. import arcpy as ap mxd = ...
0
votes
0answers
6 views

Convert height Geoid EGM96 to Orthometric?

I'd like to convert the height data which is in EGM96 to Orthometric projection. Perhaps there are tools, like ArgGIS (I cannot find if ArcGIS can do this), or any formula that may help me.
1
vote
0answers
12 views

Error 000666, does not have OID with Locate Features Along Route in ModelBuilder

I'm trying to take a bunch of point data and determine what points of surveyed lines are closest to each point. To this end I have put together a model that loops through the line features and in ...
1
vote
0answers
24 views

I have WIKI VGI Java based query doubts?

I have a code snippet in Java to query wiki volunteered GIS. This is first time I am using java and finding it difficult to answer some queries. package org.wikibrain.cookbook.MOOC; import ...
1
vote
1answer
6 views

mapbox.js 1.6.2 - change tile set on zoom levels

var map = L.mapbox.map('map', 'wmarci.i6n42nl5', { fullscreenControl: true, fullscreenControlOptions: { position: 'topleft' } }).setView([38.8929,-100.0252], 4); How can I ...
1
vote
1answer
46 views

count how many times an attribute is repeated, using “field calculator”

I'm using Arcgis 10.2.2 there is a way to count how many times an attribute is repeated, using the "field calculator" to make a selection after example of repeating more than 20 times
0
votes
0answers
12 views

MetaTiling in Openlayers 3

I'm new to OL3 and I'm using geoServer to serve tiles. For my application, some labels would disappear or get duplicated. I've done some research and it seems the solution is to use meta-tiling. I've ...
1
vote
1answer
26 views

Is there a QGIS theme/project selector?

I am switching from Mapinfo Pro to QGIS and have a question. In Mapinfo, I have coded a theme selector to turn on/off themes (workspaces) in a basemap, as shown below. Has anyone made a similar plugin ...
-2
votes
0answers
13 views

Visual hills (spikes) map [on hold]

Is it possible do a dynamic javascript map like this using javascript? Sorce: http://content.time.com/time/interactive/0,31813,1549966,00.html
0
votes
1answer
17 views

How to create heatmaps with small radius?

I am trying to visualize a set of pois on a map with the qgis heatmap plugin. It works great with a big radius but the layer is invisible for a small one (around 100 meters). I really need a small ...
1
vote
1answer
20 views

PostGIS Unknown colormap keyword

I'm working with thematic maps with ST_ColorMap function smoothly until I try to create my own thematic map(colormap). WITH canvas AS ( SELECT ST_Raster( ...
1
vote
1answer
45 views

Multiple Subsetting

Input File, XY min,max file I have a XYZ .csv file for a large portion of an area. I have another txt file which contains Box numbers, Xmin, Ymin, Xmax, Ymax. I would like to export a CSV file for ...
1
vote
1answer
7 views

Openlayers: how to remove the FID field with the WMSGetFeatureInfo function?

I'm using the WMSGetFeatureInfo control of Openlayers in order to have a pupop in the map with the WMS layer info. Automatically Openlayers inserts a FID field at the beginning of the popup. Is there ...
1
vote
1answer
16 views

Trouble inserting name of feature in TOC into attribute table using arcpy.calculateField

I currently have about fifty rivers and creeks in a map, and none of the features contain the name of the waterbody. However, the features are named correctly in the table of contents Ideally, I ...
1
vote
0answers
14 views

self-service mapping tools

I've been looking for mapping software that will allow non-GIS-trained staff, or clients, to create their own maps. For example, CartoDB provides hosted mapping with a web interface that's reasonably ...
1
vote
1answer
32 views

Closed Linestring

I've created a linestring using st_makeline(). When I draw this linestring using QGIS it always makes it closed. The start and end points are not the same and I verified by using st_startpoint() and ...
0
votes
0answers
13 views

QGIS Raster Calculator (SAGA) with 2 conditions

I want to do calculate some equation on my raster and i need to use two condition. The tool Raster Calculator from saga seem to be perfect for me but i can not use an AND for use my two condition. ...
2
votes
2answers
33 views

QGIS - Create equal length polygon along polyline

How can I create a series of polygons along a line? I need to assess the density of a number of targets along a line within a corridor. I have tried the following: creating a buffer, using the ...
3
votes
3answers
39 views

Drawing some points in QGIS 2.4 using Python

I'm new to PyQGIS so here goes: Give a new QGIS project, how can we draw some Points on the map? I tried the following but nothing showed up. Should they be placed in a Vector layer before they can ...
1
vote
0answers
10 views

Editor EditComplete is Running Multiple Times ArcGIS Silverlight

With the Help of https://developers.arcgis.com/silverlight/sample-code/start.htm#FeatureLayerSelection I have a Editor in xaml & I bind the same Editor Object to My ViewModel by little tweak in ...
1
vote
0answers
26 views

Assign a IGeometry to Feature.Shape

I'm trying insert a feature into a FeatureClass, but when I try to assign the geometry to featurebuffer the app return the next Error: The remote procedure call failed. (Exception from HRESULT: ...
3
votes
0answers
17 views

Editing Cursor for GPS live tracking in QGIS 2.4

I am interested in using QGIS 2.4 for vessel navigation due to its ability to display NOAA vector charts or BSB's as well as user created shapefiles. I currently oversee a project that requires ...
1
vote
0answers
9 views

geoserver xml header for cors xmlhttprequest

I'm running geoserver-2.5.2. From an external server i would like to call it as a wfs source with ol3. For this I would like to allow this external server to access the data. It seams I need a header ...
3
votes
2answers
45 views

How can I modify the width and the precision of my database?

I have a database in txt format made of several columns of real numbers. Two column are integer, 17 are real (rounded to the first decimal) and 17 are real rounded to the second decimal. If I import ...
2
votes
0answers
21 views

Separated, but combined polygons - unable to split. What determines that?

In Mapinfo it works well when splitting polygons if they are physically separated(non-combined). However, occasionally when conducting "multiparts to singleparts" in QGIS, some errors occur, although ...
0
votes
1answer
20 views

Confusing start times vs. time windows in Network Analyst

This is the snippet of my ArcPy script that deals with route-making: TechRoute = arcpy.na.MakeRouteLayer(inNetworkDataset, RouteName, "Minutes", "FIND_BEST_ORDER", ...
0
votes
0answers
17 views

Convert DateTime field to Just Date in Label Expression

I have a DateTime field (ex: CreatedDate) and would like to only show the date with the label. How would I setup the label expression to do this using python?
1
vote
0answers
10 views

Use Hibernate with Oracle and Esri St_geometry type

Can anyone tell me whether I could use Hibernate with esri ST_GEOMETRY type? I have found that Hibernate Spatial does support SDO_Geometry, but nothing for ST_Geometry. I am using oracle 11g and ...
2
votes
1answer
24 views

Referencing fields in code block of Field Calculator in ArcGIS for Desktop?

I'm trying to use values from a field to fill a new field with a truncated version. The 'str.rindex' function is working out well, but I can't seem to figure out how I'm supposed to reference the ...
0
votes
1answer
28 views

Programmatically Select a CRS in QGIS 2.4 using Python

When you run the following Python code in the Python Console of QGIS 2.4, uri = "file:///C:/data.csv?type=csv&xField=lng&yField=lat&spatialIndex=no&subsetIndex=no&watchFile=no" ...
1
vote
0answers
31 views

set extent for jpeg programmatically

I feel like this should be easy, but how can I set coordinates for a jpeg image using Python? I have a python add-in that draws a polygon and then uses its geometry to post a query request to a REST ...
0
votes
1answer
27 views

Geopandas/folium map not displaying

Good afternoon, I'm trying to use a combination of geopandas, pandas and folium to create a polygon map that I can embed incorporate into a web page. For some reason, it's not displaying and wonder ...
2
votes
0answers
38 views

Bug in arcpy mapping?

Has anyone else had this problem? I have an mxd file with two layers in it, one of which is fairly 'heavy' (i.e. takes a minute or so to draw). All layers are visible by default. I have the ...
0
votes
0answers
25 views

Adding Field to Attribute Table Error Message [on hold]

I am using Arc GIS and When I atttempt to add a field (via editor mode) to a table I get this error message "Can not add field to selected table/feature class because it is in use by another ...
2
votes
0answers
13 views

Rotate symbol base on polyline angle

I am using AcadMap to bring in .shp files for polylines. I have AutoCAD tickmark block at midpoint but it is at 0 degrees (straight up). Is there any way to rotate block angle to match polyline ...
2
votes
0answers
34 views

Python script for dark object subtraction on Landsat 8 Imagery

Does anyone know of any python scripts that will allow me to conduct such a process? I am limited to open source software and have minor experience in Python.

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