from: Juan Carlos Martin / INDRA ESPACIO / MADRID /SPAIN

jcmar@mdr.inisel-espacio.es / 34-1-3963995 / FAX 34-1-3963912

INDRA ESPACIO

to: hpvxd_xc@hpislsup.lvld.hp.com

REF: RE:VRF - overplot graph

date: 1/August/1996

At 11:40 31/07/96 PDT, you wrote:

>

>Hello All,

>

>I am having some trouble getting an XY Trace to display my FFT output data

>in an overplot - type mode. I am sending an array of 2048 integers to the

>graph, but want to reset the pen every 128 points (giving me 16 graphs on

>top of each other). I found the Clear - Next Curve reference, and made a

>special input for this. I then used a Relational object for the input for

>this with A==127 as the formula. It resets the pen OK, but only after every

>2048 points instead of 127. I think I will also need a Clear Display input

>to clear the graph every 2048 points if I can get this to work.

>Any advice would be appreciated. I haven't yet found any of the HP VEE

>examples to have an overplot or waterfall type graph in them..

>

>Thanks,

>Raymond Brown

>Microstar Laboratories

>rbrown@mstarlabs.com

>

Hello Raymond,

I think you could use a REPEAT_FOR_RANGE object between 0..15 with output

value en n. This loop could input into a formula object in order to get:

-> |n| "ary["+ (1+128*n) + ":" + (128+128*n) + "]" |result|->

In this way you will get the following iterative text: ary[1:128],

ary[129:256]... and thus at the end.

Output of this formula is input of an object DATA/ACCESS_ARRAY/GET_VALUES.

In this object "ary" input pin is connected to the FFT data and you could

make "Control Input->formula", new pin connected to output of before formula

object. The subarray output pin could be connected to a input plot object.

If you create an OK button which is activated each time by the above

REPEAT_FOR_RANGE_OBJECT and its output to the "clear" pin of plot, you could

have that you want with a "clear" control.

I hope that explanation will be useful and not confuse for you.

Juan Carlos Martin

jcmar@mdr.inisel-espacio.es / 34-1-3963995 / FAX 34-1-3963912

INDRA ESPACIO

to: hpvxd_xc@hpislsup.lvld.hp.com

REF: RE:VRF - overplot graph

date: 1/August/1996

At 11:40 31/07/96 PDT, you wrote:

>

>Hello All,

>

>I am having some trouble getting an XY Trace to display my FFT output data

>in an overplot - type mode. I am sending an array of 2048 integers to the

>graph, but want to reset the pen every 128 points (giving me 16 graphs on

>top of each other). I found the Clear - Next Curve reference, and made a

>special input for this. I then used a Relational object for the input for

>this with A==127 as the formula. It resets the pen OK, but only after every

>2048 points instead of 127. I think I will also need a Clear Display input

>to clear the graph every 2048 points if I can get this to work.

>Any advice would be appreciated. I haven't yet found any of the HP VEE

>examples to have an overplot or waterfall type graph in them..

>

>Thanks,

>Raymond Brown

>Microstar Laboratories

>rbrown@mstarlabs.com

>

Hello Raymond,

I think you could use a REPEAT_FOR_RANGE object between 0..15 with output

value en n. This loop could input into a formula object in order to get:

-> |n| "ary["+ (1+128*n) + ":" + (128+128*n) + "]" |result|->

In this way you will get the following iterative text: ary[1:128],

ary[129:256]... and thus at the end.

Output of this formula is input of an object DATA/ACCESS_ARRAY/GET_VALUES.

In this object "ary" input pin is connected to the FFT data and you could

make "Control Input->formula", new pin connected to output of before formula

object. The subarray output pin could be connected to a input plot object.

If you create an OK button which is activated each time by the above

REPEAT_FOR_RANGE_OBJECT and its output to the "clear" pin of plot, you could

have that you want with a "clear" control.

I hope that explanation will be useful and not confuse for you.

Juan Carlos Martin

Hello All,

I am having some trouble getting an XY Trace to display my FFT output data

in an overplot - type mode. I am sending an array of 2048 integers to the

graph, but want to reset the pen every 128 points (giving me 16 graphs on

top of each other). I found the Clear - Next Curve reference, and made a

special input for this. I then used a Relational object for the input for

this with A==127 as the formula. It resets the pen OK, but only after every

2048 points instead of 127. I think I will also need a Clear Display input

to clear the graph every 2048 points if I can get this to work.

Any advice would be appreciated. I haven't yet found any of the HP VEE

examples to have an overplot or waterfall type graph in them..

Thanks,

Raymond Brown

Microstar Laboratories

rbrown@mstarlabs.com