3D Analyst Tools ArcToolbox

Trace Geometric Network, Verify and Repair Geometric Network Connectivity Tools

Trace Geometric Network

How to Trace Geometric Network Tool in ArcToolbox ArcMap ArcGIS??

Trace Geometric Network

Path to access the tool

:

Trace Geometric Network Tool, Geometric Network Toolset, Data Management Tools Toolbox

 

Trace Geometric Network

Solves the specified network analysis problem based on the flags, barriers, and specified weight properties.

1.    Geometric Network

The geometric network on which the trace will be performed.

2.    Output Group Layer Name

The name of the group layer that will store the results of the trace as a selected set.

3.    Flags

Point features representing a set of flags that serve as starting points for the tracing operation. For example, if you are performing an upstream trace, you use a flag to specify where the upstream trace will begin. Flags can be placed anywhere along edges or junctions, but junctions will be considered first when both a junction and edge are found at the location.

4.    Trace Task Type

Trace task to be performed on the specified geometric network.

1. FIND_COMMON_ANCESTORS— Find the common features that are upstream of a set of points in your network. Requires flow direction to be set on the geometric network.
2. FIND_CONNECTED—Find the features that are connected to a given point through your network.
3. FIND_LOOPS— Find loops within the network that are defined by determining for each connected feature, on which you placed a flag, the features that loop back on themselves (that is, can't be reached from more than one direction).
4. FIND_DISCONNECTED— Find all of the features that are not connected to a given point through your network.
5. FIND_PATH_UPSTREAM— Find an upstream path from a point in your network. The path found can be just one of a number of paths depending on whether or not your network contains loops. The flags you place on the network can be a mixture of edge flags and junction flags. Requires a weight to be defined for the trace and flow direction to be set on the geometric network. When a weight is not specified, the shortest path is determined by the least number of features between the two points.
6. FIND_PATH— Find a path between two or more flags in the network. The path found can be just one of a number of paths between the flags depending on whether or not your network contains loops. The flags you place on the network must be either all edge flags or all junction flags. When a weight is not specified, the shortest path is determined by the least number of features between the two points.
7. TRACE_DOWNSTREAM—Find all network features that lie downstream (with flow direction) of a given point in your network. Requires flow direction to be set on the geometric network.
8. FIND_UPSTREAM_ACCUMULATION— Determine the total cost of all network features that lie upstream of a given point in your network. Requires a weight be defined for the trace and flow direction to be set on the geometric network.
9. TRACE_UPSTREAM— Find all features that lie upstream (against flow direction) of a given point in your network. Requires flow direction to be set on the geometric network.

5.    Barriers (optional)

Point features representing a set of barriers. Barriers define places in the network where traces cannot pass through. If you are only interested in tracing a particular part of your network, you can use barriers to isolate that part of the network. Barriers can be placed anywhere along edges or junctions, but junctions will be considered first when both a junction and edge are found at the location. The feature will be treated as disabled and will not be considered during the trace, unless you've checked Limit results to features stopping the trace to purposefully find features stopping the trace.

6.    Junction Weight (optional)

A junction weight that is used as a cost for traversing through any junction. The weight must already be defined for the given geometric network. This parameter is disabled or ignored when one of the following cost-independent trace task types is specified:

1. FIND_COMMON_ANCESTORS
2. FIND_CONNECTED
3. FIND_LOOPS
4. FIND_DISCONNECTED
5. TRACE_DOWNSTREAM
6. TRACE_UPSTREAM

7.    Weight against digitized direction of edges (to-from weight) (optional)

An edge weight that is used as a cost for traversing through an edge against the digitized direction of that edge. The weight must already be defined for the given geometric network. This parameter is disabled or ignored when one of the following cost-independent trace task types is specified:

8.    Disable feature classes from the trace (optional)

List of feature classes that are disabled from participating in the trace. Specifying a feature class as disabled makes the trace operation treat all features in that feature class as either being disabled or as having a barrier placed on them. Use this option to exclude an entire feature class from consideration during a trace. For example, by disabling the switches layer in an electrical distribution network, checking Limit results to features stopping the trace and tracing from a given point in the network, you can find the switches that need to be thrown to isolate this point from the network; these will be the features at which the trace operation is stopped.

9. Limit results to features stopping the trace (optional)

Indicates whether the trace should include all features or only those stopping the trace. Use this option when you need to determine which features are stopping a trace. In order to be returned from the trace operation with this option, features must fall into one of the following categories:

1. The feature is connected to only one other geometric network feature (dead ends).
2. The feature is disabled (including those in disabled feature classes).
3. The feature has a barrier placed on it.
4. Checked—Include those features stopping the trace.
5. Unchecked—Include all features. This is the default.

10. Trace Indeterminate Flow (optional)

Specifies that features with indeterminate or uninitialized flow direction can be traced by the applicable trace tasks.

1. Checked—Trace features that have indeterminate or uninitialized flow direction.
2. Unchecked—Do not trace features that have indeterminate or uninitialized flow direction. This is the default.

• Only enabled when one flow-dependent trace task type is set:

1. FIND_PATH_UPSTREAM
2. TRACE_DOWNSTREAM
3. FIND_UPSTREAM_ACCUMULATION
4. TRACE_UPSTREAM

11. Junction Weight Filter (optional)

The weight to use to create the junction weight filter, which is used to filter junction features during the trace.

12. Junction Weight Range (optional)

Specifies valid or invalid ranges of weight values for network features that can be traced. It is disabled when a cost-independent trace task type is set. In order to create a weight filter, you must specify valid weight ranges for the features. A weight filter can be composed of a number of ranges. When you specify multiple weight ranges, delimit the ranges with commas. Low and high values in a range are separated by a hyphen. Ranges consisting of a single value do not contain a hyphen and are delimited with commas, for example, 0-2,3,6,7-10.

13. Not (optional)

Applies the logical NOT operator to the specified junction weight ranges. By default, the junction weight ranges that you enter specify junction features that can be traced. By checking this option, you indicate that junction features with weights in the ranges you entered cannot be traced.

1. Checked—Weight ranges specify features that can be traced. This is the default.
2. Unchecked—Weight ranges specify features that cannot be traced.

14. Weight Filter along digitized direction of edges (from-to weight filter) (optional)

The weight to use to create the along-edge weight filter, which is used to filter edge features during the trace.

15. Weight Filter against digitized direction of edges (to-from weight filter) (optional)

The weight to use to create the against-edge weight filter, which is used to filter edge features during the trace.

16. Edge Weight Range (optional)

Specifies valid or invalid ranges of weight values for network features that can be traced. It is disabled when a cost-independent trace task type is set. In order to create a weight filter, you must specify valid weight ranges for the features. A weight filter can be composed of a number of ranges. When you specify multiple weight ranges, you must delimit the ranges with commas. Low and high values in a range are separated by a hyphen. Ranges consisting of a single value do not contain a hyphen and are delimited with commas, for example, 0-2,3,6,7-10. Not (optional)

 Verify and Repair Geometric Network Connectivity

How to Verify and Repair Geometric Network Connectivity Tool in ArcToolbox ArcMap ArcGIS??

Verify and Repair Geometric Network Connectivity

Path to access the tool

:

Verify and Repair Geometric Network Connectivity Tool, Geometric Network Toolset, Data Management Tools Toolbox

 

Verify and Repair Geometric Network Connectivity

Detects and optionally repairs a variety of connectivity and geometry problems within geometric networks.

1.    Geometric Network

The geometric network to verify.

2.    Output Log File

A log file containing details about the progress of the tool.

3.    Repair network after verify completes (optional)

Indicates whether connectivity errors will be repaired or not.

1. Unchecked—Run verification checks for the geometric network for connectivity errors but do not perform repair. This is the default.
2. Checked—After completion of the verification checks, perform repair of the connectivity errors.

4.    Perform exhaustive check within extent (optional)

Indicates whether an exhaustive check will be performed against the geometric network. The exhaustive check will increase the time the tool will take to complete. Therefore, it is recommended that it be run over a subset of the geometric network such as the extent of edits made within a version.

1. Unchecked—Do not perform the exhaustive check. This is the default.
2. Checked—Perform the exhaustive check over the extent provided.

5.    Extent (optional)

The four coordinates defining the extent over which the exhaustive check will be run. The extent is specified as X-Minimum, Y-Minimum, X-Maximum, Y-Maximum.