in this context applies to digitizing tools for tracing lines

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4 views

flag problem in network trace in arcmap

i want to trace using a weight filter but we i have the case, that 2 edges are overlapping and they share the same 2 junctions. Now if you want to set a flag, you won't be asked if you want to select ...
0
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0answers
59 views

Is it possible to trace basemap features?

I'm looking for an easier way to digitize. Does anyone know if it's possible to trace basemap features (OSM/stamen/etc) in QGIS (2.12)? For example, as opposed to creating various vertexes along a ...
1
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1answer
149 views

Finding distance up geometric network?

I have successfully been using the trace upstream in ArcGIS with 10,000+ points as flags to find what polygons are upstream (using a select of the polygons than intersect the upstream trace). Now I ...
2
votes
2answers
47 views

Grid tracing not wanted when using Trace tool for editing in ArcGIS for Desktop?

So I am using the trace tool to complete polygons. The problem I am running into is that the trace tool will run along my grid lines. This is easily avoided if the polygon is easily distinguishable ...
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2answers
205 views

Implementing Trace Geometric Network into Model Builder

I would like to use Trace Geometric Network in model builder with the option to have a model parameter for the flags (like the flags I add from Utility Network Analyst Toolbar) and return the results ...
2
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0answers
364 views

Accessing results of trace geometric network tool in Python AddIn? [closed]

I'm attempting to write a python addin to ArcGIS that will carry out numerous traces on a geometric network using user specified flags/barriers. The first trace works fine and I'm able to access the ...
0
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1answer
80 views

Is it possible to set the layer which the trace tool traces?

Let's say I have at least 3 Layers. I want to reshape a polygon of layer 1, tracing a polygon from layer 2. This is no problem if you have only those 2 layers. But now I need layer 3 (or 3 to 10) ...
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3answers
193 views

Using weight in geometric network to Find Path Upstream

I have a problem about using weights in geometric network in ArcGIS Desktop 10.2. In the example below, I have a simple network with a source & some junctions. I'm trying to use the Find Path ...
1
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1answer
157 views

Geometric Network Downstream River Tracing?

I'm using ArcGIS 10.2 Desktop and I need to trace downstream on a river network from a Discharge point to another point where the river intersects polygons of interest. The distance from each ...
1
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1answer
166 views

Trace tool being very erratic in ArcMap?

Right now I am working on a project where I have a road network, and I have a layer with points on a bus route. I am trying to trace these points along the road network to create bus routes. It was ...
0
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2answers
270 views

How to add barriers and flag to geometric network through code

I'm developing an ArcMap add-in that will run a trace against a water main that the user has selected using the selection tool. The geometric network is already defined and I can run the trace by ...
0
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2answers
310 views

Snapping polygons while reshaping edges?

I have two Polygons, A and B, in two shapefiles. Is there any automatic way to reshape the edge of Polygon A according to the edge of Polygon B?
2
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1answer
69 views

Find connected features by type in utility network?

I have a storm drain geodatabase with digitized direction flow. I am trying to find catch basins (upstream) that drain to other catchbasins (downstream) as opposed to a junction structure or an ...
1
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1answer
102 views

ArcMap trace the creation/modification/deletion events by windows user for all changes (not only the latest change)

I want to check whether there is a way to trace all the creation, modification and deletion events in the editing session. What I aware now is how to get the latest updated information of an object in ...
5
votes
1answer
277 views

editor tracking updated in attribute table, but not in sql server database

When I enable editor tracking and make modification on an object, I can find the edit user and edit time, but I cannot find the data updated in the sql server database. Is it because of the versioning?...
1
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1answer
40 views

ArcMap trace the creation/moving/deletion events by windows user

I want to check whether there is a way to trace the creation, moving and deletion in the editing session by windows currently logged in user. What I only know now is how to trace the creation/moving/...
0
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0answers
116 views

Positioning and tracing polygons over an image

On QGIS 2.0 - I want to add an image (TIFF or whatever) then resize and correctly position it over a satellite image (openlayersplugin). Then, the task is to create a new shape file layer and draw ...
1
vote
1answer
1k views

Creating new lines along specifically selected existing lines using QGIS?

I have tried to find a solution for this everywhere, with no result... My problem is that I want to be able to manually draw a line that automatically snaps to a line (creating an exact copy of the ...
4
votes
3answers
794 views

Measure feature by tracing

I'm trying to measure how far along a river polyline a feature is using the measurement tool in ArcGIS. Is it possible to trace the polyline (in a similar method to the trace tool in an edit session) ...
0
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1answer
190 views

Certain points cause Trace Geometric Network tool to crash

Using ArcGIS Desktop 10.2.1. I have a set of about 600 points that I’m using as the flag input on the trace geometric network tool. Every time I ran the tool with these points, it crashes, along ...
2
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0answers
30 views

Why is node tool deleting unselected points in lines?

I am freehand editing lines to a shapefile on Mac QGIS 2.2.0, and have my snap settings at vertex and segment @ 20 pixels. The lines are roadways and I have merged them all into one feature and merged ...
1
vote
1answer
193 views

Stream Trace to Select Attributes

I'm trying to work on a school project, but I only need streams up stream from a certain point. As you can see in the picture, I've run the stream trace tool upstream from a point i've created. I'm ...
1
vote
2answers
137 views

Trace vector map from GeoTiff, Garmin

My goal is to create a vector map for my Garmin GPS by tracing over a topo raster. The vector data would be exported in ESRI SHP format and later converted for Garmin. So far, I can load the geo ...
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0answers
159 views

Network trace using attribute as a stop/barrier - ModelBuilder

I have two point datasets, one to be used as the flags(starting point) that i'll call dataset A and one as the barriers(stop point) that i'll call dataset B, in the trace(downstream) tool. In each of ...
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0answers
56 views

Network geoprocessing in ArcGIS

I need a hand with how to approach this problem and hope you can offer some pointers. I have an ArcGIS Geometric Network object representing streams. I have a separate point layer representing stream ...
0
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0answers
136 views

Problems with QGIS plugin traceDigitize on Mac?

I'm trying to get the traceDigitize plugin to work with QGIS 2.0.1 on my Mac while following this tutorial but I get this error as soon as I ctrl-click: An error has occured while executing Python ...
6
votes
2answers
826 views

Can QGIS Trace Features?

I generally have an doubt about QGIS. Is it possible to Trace the feature in QGIS? As in the case like ArcGIS for Desktop which has a tool called "Trace" in its Editor Toolbar? If yes, how we can do ...
3
votes
1answer
822 views

Tracing Boundary Around a Polygon Shapefile in QGIS

I'm looking to create a boundary around this shapefile of street blocks to have show the city limits in QGIS. I tried this solution, (Settings > Snapping Options and enabling the "Avoid Int." ...
1
vote
1answer
59 views

ArcMap ArcPy - Place signs with no lat/lng on map

I'm new to ArcPy and ArcMap but I do have programming experience. What I am trying to accomplish is to take over 22,000 signs from a database and place them on a map in reference to a street layer ...
7
votes
4answers
2k views

ArcGis Trace Tool for QGis?

is there any tool in quantum gis that traces a line like the trace tool (Editor Toolbar) in arcgis? I want to draw a line and trace this line back so that i get the beginning and the end of the line ...
1
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0answers
43 views

create table with IDs for all arcs downstream of all others

I need to summarize downstream information associated with each arc in an NHD dataset. I have a table with the downstream ID for stream segment but am not sure how to get all of the downstream IDs. ...
1
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0answers
449 views

arcpy & TraceGeometricNetwork return ERROR 000584

I am developing a script to automate the creation of a road network following varying criteria. I have created a geometric network and I would like to get the connection between several points with ...
0
votes
1answer
291 views

QGIS Trace Tool; Error

I have installed the traceDigitize tool from the experimental repository in QGIS 1.9.0 Lisboa. My understanding of the tool is that you have to: Add 2 layers to QGIS Desktop. My empty shapefile to ...
0
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2answers
1k views

Using Trace tool with BMP file in ArcGIS Desktop? [closed]

I am digitizing a map using ArcGIS 10. When I use trace is there any way to trace black lines from a BMP file?
3
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2answers
1k views

ArcGIS Trace tool not honoring classic snapping?

I have just installed service Pack 3 for ArcGIS 10 Desktop. Normally I use the new snapping environment, so I am unsure whether this is a new issue with SP3 or if it has been the case the whole time. ...
2
votes
2answers
1k views

Tracing polyline between two points in ArcGIS Desktop?

How i can draw a line between two points...e.g.: I have initial point and endpoint and i need trace a line between this points...how i can do that?